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Merge pull request #9203 from ChazJin/gd32e10x 

Add GD32_E103VB as new target
pull/9369/head
Martin Kojtal 2019-01-14 08:31:49 +00:00 committed by GitHub
parent 307bdd7363 4d9c4343a0
commit f4aaebde2f
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targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Include/gd32e10x_adc.h Normal file
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/*!
\file gd32e10x_adc.h
\brief definitions for the ADC
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_ADC_H
#define GD32E10X_ADC_H
#include "gd32e10x.h"
/* ADC definitions */
#define ADC0 ADC_BASE
#define ADC1 (ADC_BASE + 0x400U)
/* registers definitions */
#define ADC_STAT(adcx) REG32((adcx) + 0x00U) /*!< ADC status register */
#define ADC_CTL0(adcx) REG32((adcx) + 0x04U) /*!< ADC control register 0 */
#define ADC_CTL1(adcx) REG32((adcx) + 0x08U) /*!< ADC control register 1 */
#define ADC_SAMPT0(adcx) REG32((adcx) + 0x0CU) /*!< ADC sampling time register 0 */
#define ADC_SAMPT1(adcx) REG32((adcx) + 0x10U) /*!< ADC sampling time register 1 */
#define ADC_IOFF0(adcx) REG32((adcx) + 0x14U) /*!< ADC inserted channel data offset register 0 */
#define ADC_IOFF1(adcx) REG32((adcx) + 0x18U) /*!< ADC inserted channel data offset register 1 */
#define ADC_IOFF2(adcx) REG32((adcx) + 0x1CU) /*!< ADC inserted channel data offset register 2 */
#define ADC_IOFF3(adcx) REG32((adcx) + 0x20U) /*!< ADC inserted channel data offset register 3 */
#define ADC_WDHT(adcx) REG32((adcx) + 0x24U) /*!< ADC watchdog high threshold register */
#define ADC_WDLT(adcx) REG32((adcx) + 0x28U) /*!< ADC watchdog low threshold register */
#define ADC_RSQ0(adcx) REG32((adcx) + 0x2CU) /*!< ADC regular sequence register 0 */
#define ADC_RSQ1(adcx) REG32((adcx) + 0x30U) /*!< ADC regular sequence register 1 */
#define ADC_RSQ2(adcx) REG32((adcx) + 0x34U) /*!< ADC regular sequence register 2 */
#define ADC_ISQ(adcx) REG32((adcx) + 0x38U) /*!< ADC inserted sequence register */
#define ADC_IDATA0(adcx) REG32((adcx) + 0x3CU) /*!< ADC inserted data register 0 */
#define ADC_IDATA1(adcx) REG32((adcx) + 0x40U) /*!< ADC inserted data register 1 */
#define ADC_IDATA2(adcx) REG32((adcx) + 0x44U) /*!< ADC inserted data register 2 */
#define ADC_IDATA3(adcx) REG32((adcx) + 0x48U) /*!< ADC inserted data register 3 */
#define ADC_RDATA(adcx) REG32((adcx) + 0x4CU) /*!< ADC regular data register */
#define ADC_OVSAMPCTL(adcx) REG32((adcx) + 0x80U) /*!< ADC oversampling control register */
/* bits definitions */
/* ADC_STAT */
#define ADC_STAT_WDE BIT(0) /*!< analog watchdog event flag */
#define ADC_STAT_EOC BIT(1) /*!< end of conversion */
#define ADC_STAT_EOIC BIT(2) /*!< inserted channel end of conversion */
#define ADC_STAT_STIC BIT(3) /*!< inserted channel start flag */
#define ADC_STAT_STRC BIT(4) /*!< regular channel start flag */
/* ADC_CTL0 */
#define ADC_CTL0_WDCHSEL BITS(0,4) /*!< analog watchdog channel select bits */
#define ADC_CTL0_EOCIE BIT(5) /*!< interrupt enable for EOC */
#define ADC_CTL0_WDEIE BIT(6) /*!< analog watchdog interrupt enable */
#define ADC_CTL0_EOICIE BIT(7) /*!< interrupt enable for inserted channels */
#define ADC_CTL0_SM BIT(8) /*!< scan mode */
#define ADC_CTL0_WDSC BIT(9) /*!< when in scan mode, analog watchdog is effective on a single channel */
#define ADC_CTL0_ICA BIT(10) /*!< automatic inserted group conversion */
#define ADC_CTL0_DISRC BIT(11) /*!< discontinuous mode on regular channels */
#define ADC_CTL0_DISIC BIT(12) /*!< discontinuous mode on inserted channels */
#define ADC_CTL0_DISNUM BITS(13,15) /*!< discontinuous mode channel count */
#define ADC_CTL0_SYNCM BITS(16,19) /*!< sync mode selection */
#define ADC_CTL0_IWDEN BIT(22) /*!< analog watchdog enable on inserted channels */
#define ADC_CTL0_RWDEN BIT(23) /*!< analog watchdog enable on regular channels */
/* ADC_CTL1 */
#define ADC_CTL1_ADCON BIT(0) /*!< ADC converter on */
#define ADC_CTL1_CTN BIT(1) /*!< continuous conversion */
#define ADC_CTL1_CLB BIT(2) /*!< ADC calibration */
#define ADC_CTL1_RSTCLB BIT(3) /*!< reset calibration */
#define ADC_CTL1_DMA BIT(8) /*!< direct memory access mode */
#define ADC_CTL1_DAL BIT(11) /*!< data alignment */
#define ADC_CTL1_ETSIC BITS(12,14) /*!< external trigger select for inserted channel */
#define ADC_CTL1_ETEIC BIT(15) /*!< external trigger enable for inserted channel */
#define ADC_CTL1_ETSRC BITS(17,19) /*!< external trigger select for regular channel */
#define ADC_CTL1_ETERC BIT(20) /*!< external trigger conversion mode for inserted channels */
#define ADC_CTL1_SWICST BIT(21) /*!< start on inserted channel */
#define ADC_CTL1_SWRCST BIT(22) /*!< start on regular channel */
#define ADC_CTL1_TSVREN BIT(23) /*!< channel 16 and 17 enable of ADC0 */
/* ADC_SAMPTx x=0..1 */
#define ADC_SAMPTX_SPTN BITS(0,2) /*!< channel n sample time selection */
/* ADC_IOFFx x=0..3 */
#define ADC_IOFFX_IOFF BITS(0,11) /*!< data offset for inserted channel x */
/* ADC_WDHT */
#define ADC_WDHT_WDHT BITS(0,11) /*!< analog watchdog high threshold */
/* ADC_WDLT */
#define ADC_WDLT_WDLT BITS(0,11) /*!< analog watchdog low threshold */
/* ADC_RSQx x=0..2 */
#define ADC_RSQX_RSQN BITS(0,4) /*!< nth conversion in regular sequence */
#define ADC_RSQ0_RL BITS(20,23) /*!< regular channel sequence length */
/* ADC_ISQ */
#define ADC_ISQ_ISQN BITS(0,4) /*!< nth conversion in inserted sequence */
#define ADC_ISQ_IL BITS(20,21) /*!< inserted sequence length */
/* ADC_IDATAx x=0..3 */
#define ADC_IDATAX_IDATAN BITS(0,15) /*!< inserted data n */
/* ADC_RDATA */
#define ADC_RDATA_RDATA BITS(0,15) /*!< regular data */
#define ADC_RDATA_ADC1RDTR BITS(16,31) /*!< ADC1 regular channel data */
/* ADC_OVSAMPCTL */
#define ADC_OVSAMPCTL_OVSEN BIT(0) /*!< oversampling enable */
#define ADC_OVSAMPCTL_OVSR BITS(2,4) /*!< oversampling ratio */
#define ADC_OVSAMPCTL_OVSS BITS(5,8) /*!< oversampling shift */
#define ADC_OVSAMPCTL_TOVS BIT(9) /*!< triggered oversampling */
#define ADC_OVSAMPCTL_DRES BITS(12,13) /*!< ADC resolution */
/* constants definitions */
/* adc_stat register value */
#define ADC_FLAG_WDE ADC_STAT_WDE /*!< analog watchdog event flag */
#define ADC_FLAG_EOC ADC_STAT_EOC /*!< end of conversion */
#define ADC_FLAG_EOIC ADC_STAT_EOIC /*!< inserted channel end of conversion */
#define ADC_FLAG_STIC ADC_STAT_STIC /*!< inserted channel start flag */
#define ADC_FLAG_STRC ADC_STAT_STRC /*!< regular channel start flag */
/* adc_ctl0 register value */
#define CTL0_DISNUM(regval) (BITS(13,15) & ((uint32_t)(regval) << 13)) /*!< write value to ADC_CTL0_DISNUM bit field */
/* scan mode */
#define ADC_SCAN_MODE ADC_CTL0_SM /*!< scan mode */
/* inserted channel group convert automatically */
#define ADC_INSERTED_CHANNEL_AUTO ADC_CTL0_ICA /*!< inserted channel group convert automatically */
/* ADC sync mode */
#define CTL0_SYNCM(regval) (BITS(16,19) & ((uint32_t)(regval) << 16)) /*!< write value to ADC_CTL0_SYNCM bit field */
#define ADC_MODE_FREE CTL0_SYNCM(0) /*!< all the ADCs work independently */
#define ADC_DAUL_REGULAL_PARALLEL_INSERTED_PARALLEL CTL0_SYNCM(1) /*!< ADC0 and ADC1 work in combined regular parallel + inserted parallel mode */
#define ADC_DAUL_REGULAL_PARALLEL_INSERTED_ROTATION CTL0_SYNCM(2) /*!< ADC0 and ADC1 work in combined regular parallel + trigger rotation mode */
#define ADC_DAUL_INSERTED_PARALLEL_REGULAL_FOLLOWUP_FAST CTL0_SYNCM(3) /*!< ADC0 and ADC1 work in combined inserted parallel + follow-up fast mode */
#define ADC_DAUL_INSERTED_PARALLEL_REGULAL_FOLLOWUP_SLOW CTL0_SYNCM(4) /*!< ADC0 and ADC1 work in combined inserted parallel + follow-up slow mode */
#define ADC_DAUL_INSERTED_PARALLEL CTL0_SYNCM(5) /*!< ADC0 and ADC1 work in inserted parallel mode only */
#define ADC_DAUL_REGULAL_PARALLEL CTL0_SYNCM(6) /*!< ADC0 and ADC1 work in regular parallel mode only */
#define ADC_DAUL_REGULAL_FOLLOWUP_FAST CTL0_SYNCM(7) /*!< ADC0 and ADC1 work in follow-up fast mode only */
#define ADC_DAUL_REGULAL_FOLLOWUP_SLOW CTL0_SYNCM(8) /*!< ADC0 and ADC1 work in follow-up slow mode only */
#define ADC_DAUL_INSERTED_TRIGGER_ROTATION CTL0_SYNCM(9) /*!< ADC0 and ADC1 work in trigger rotation mode only */
/* adc_ctl1 register value */
#define ADC_DATAALIGN_RIGHT ((uint32_t)0x00000000U) /*!< LSB alignment */
#define ADC_DATAALIGN_LEFT ADC_CTL1_DAL /*!< MSB alignment */
/* continuous mode */
#define ADC_CONTINUOUS_MODE ADC_CTL1_CTN /*!< continuous mode */
/* external trigger select for regular channel */
#define CTL1_ETSRC(regval) (BITS(17,19) & ((uint32_t)(regval) << 17)) /*!< write value to ADC_CTL1_ETSRC bit field */
#define ADC0_1_EXTTRIG_REGULAR_T0_CH0 CTL1_ETSRC(0) /*!< timer 0 CC0 event select */
#define ADC0_1_EXTTRIG_REGULAR_T0_CH1 CTL1_ETSRC(1) /*!< timer 0 CC1 event select */
#define ADC0_1_EXTTRIG_REGULAR_T0_CH2 CTL1_ETSRC(2) /*!< timer 0 CC2 event select */
#define ADC0_1_EXTTRIG_REGULAR_T1_CH1 CTL1_ETSRC(3) /*!< timer 1 CC1 event select */
#define ADC0_1_EXTTRIG_REGULAR_T2_TRGO CTL1_ETSRC(4) /*!< timer 2 TRGO event select */
#define ADC0_1_EXTTRIG_REGULAR_T3_CH3 CTL1_ETSRC(5) /*!< timer 3 CC3 event select */
#define ADC0_1_EXTTRIG_REGULAR_T7_TRGO CTL1_ETSRC(6) /*!< timer 7 TRGO event select */
#define ADC0_1_EXTTRIG_REGULAR_EXTI_11 CTL1_ETSRC(6) /*!< external interrupt line 11 */
#define ADC0_1_EXTTRIG_REGULAR_NONE CTL1_ETSRC(7) /*!< software trigger */
/* external trigger mode for inserted channel */
#define CTL1_ETSIC(regval) (BITS(12,14) & ((uint32_t)(regval) << 12)) /*!< write value to ADC_CTL1_ETSIC bit field */
#define ADC0_1_EXTTRIG_INSERTED_T0_TRGO CTL1_ETSIC(0) /*!< timer 0 TRGO event select */
#define ADC0_1_EXTTRIG_INSERTED_T0_CH3 CTL1_ETSIC(1) /*!< timer 0 CC3 event select */
#define ADC0_1_EXTTRIG_INSERTED_T1_TRGO CTL1_ETSIC(2) /*!< timer 1 TRGO event select */
#define ADC0_1_EXTTRIG_INSERTED_T1_CH0 CTL1_ETSIC(3) /*!< timer 1 CC0 event select */
#define ADC0_1_EXTTRIG_INSERTED_T2_CH3 CTL1_ETSIC(4) /*!< timer 2 CC3 event select */
#define ADC0_1_EXTTRIG_INSERTED_T3_TRGO CTL1_ETSIC(5) /*!< timer 3 TRGO event select */
#define ADC0_1_EXTTRIG_INSERTED_EXTI_15 CTL1_ETSIC(6) /*!< external interrupt line 15 */
#define ADC0_1_EXTTRIG_INSERTED_T7_CH3 CTL1_ETSIC(6) /*!< timer 7 CC3 event select */
#define ADC0_1_EXTTRIG_INSERTED_NONE CTL1_ETSIC(7) /*!< software trigger */
/* adc_samptx register value */
#define SAMPTX_SPT(regval) (BITS(0,2) & ((uint32_t)(regval) << 0)) /*!< write value to ADC_SAMPTX_SPT bit field */
#define ADC_SAMPLETIME_1POINT5 SAMPTX_SPT(0) /*!< 1.5 sampling cycles */
#define ADC_SAMPLETIME_7POINT5 SAMPTX_SPT(1) /*!< 7.5 sampling cycles */
#define ADC_SAMPLETIME_13POINT5 SAMPTX_SPT(2) /*!< 13.5 sampling cycles */
#define ADC_SAMPLETIME_28POINT5 SAMPTX_SPT(3) /*!< 28.5 sampling cycles */
#define ADC_SAMPLETIME_41POINT5 SAMPTX_SPT(4) /*!< 41.5 sampling cycles */
#define ADC_SAMPLETIME_55POINT5 SAMPTX_SPT(5) /*!< 55.5 sampling cycles */
#define ADC_SAMPLETIME_71POINT5 SAMPTX_SPT(6) /*!< 71.5 sampling cycles */
#define ADC_SAMPLETIME_239POINT5 SAMPTX_SPT(7) /*!< 239.5 sampling cycles */
/* adc_ioffx register value */
#define IOFFX_IOFF(regval) (BITS(0,11) & ((uint32_t)(regval) << 0)) /*!< write value to ADC_IOFFX_IOFF bit field */
/* adc_wdht register value */
#define WDHT_WDHT(regval) (BITS(0,11) & ((uint32_t)(regval) << 0)) /*!< write value to ADC_WDHT_WDHT bit field */
/* adc_wdlt register value */
#define WDLT_WDLT(regval) (BITS(0,11) & ((uint32_t)(regval) << 0)) /*!< write value to ADC_WDLT_WDLT bit field */
/* adc_rsqx register value */
#define RSQ0_RL(regval) (BITS(20,23) & ((uint32_t)(regval) << 20)) /*!< write value to ADC_RSQ0_RL bit field */
/* adc_isq register value */
#define ISQ_IL(regval) (BITS(20,21) & ((uint32_t)(regval) << 20)) /*!< write value to ADC_ISQ_IL bit field */
/* adc_ovsampctl register value */
/* ADC resolution */
#define OVSAMPCTL_DRES(regval) (BITS(12,13) & ((uint32_t)(regval) << 12)) /*!< write value to ADC_OVSAMPCTL_DRES bit field */
#define ADC_RESOLUTION_12B OVSAMPCTL_DRES(0) /*!< 12-bit ADC resolution */
#define ADC_RESOLUTION_10B OVSAMPCTL_DRES(1) /*!< 10-bit ADC resolution */
#define ADC_RESOLUTION_8B OVSAMPCTL_DRES(2) /*!< 8-bit ADC resolution */
#define ADC_RESOLUTION_6B OVSAMPCTL_DRES(3) /*!< 6-bit ADC resolution */
/* oversampling shift */
#define OVSAMPCTL_OVSS(regval) (BITS(5,8) & ((uint32_t)(regval) << 5)) /*!< write value to ADC_OVSAMPCTL_OVSS bit field */
#define ADC_OVERSAMPLING_SHIFT_NONE OVSAMPCTL_OVSS(0) /*!< no oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_1B OVSAMPCTL_OVSS(1) /*!< 1-bit oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_2B OVSAMPCTL_OVSS(2) /*!< 2-bit oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_3B OVSAMPCTL_OVSS(3) /*!< 3-bit oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_4B OVSAMPCTL_OVSS(4) /*!< 4-bit oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_5B OVSAMPCTL_OVSS(5) /*!< 5-bit oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_6B OVSAMPCTL_OVSS(6) /*!< 6-bit oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_7B OVSAMPCTL_OVSS(7) /*!< 7-bit oversampling shift */
#define ADC_OVERSAMPLING_SHIFT_8B OVSAMPCTL_OVSS(8) /*!< 8-bit oversampling shift */
/* oversampling ratio */
#define OVSAMPCTL_OVSR(regval) (BITS(2,4) & ((uint32_t)(regval) << 2)) /*!< write value to ADC_OVSAMPCTL_OVSR bit field */
#define ADC_OVERSAMPLING_RATIO_MUL2 OVSAMPCTL_OVSR(0) /*!< oversampling ratio multiple 2 */
#define ADC_OVERSAMPLING_RATIO_MUL4 OVSAMPCTL_OVSR(1) /*!< oversampling ratio multiple 4 */
#define ADC_OVERSAMPLING_RATIO_MUL8 OVSAMPCTL_OVSR(2) /*!< oversampling ratio multiple 8 */
#define ADC_OVERSAMPLING_RATIO_MUL16 OVSAMPCTL_OVSR(3) /*!< oversampling ratio multiple 16 */
#define ADC_OVERSAMPLING_RATIO_MUL32 OVSAMPCTL_OVSR(4) /*!< oversampling ratio multiple 32 */
#define ADC_OVERSAMPLING_RATIO_MUL64 OVSAMPCTL_OVSR(5) /*!< oversampling ratio multiple 64 */
#define ADC_OVERSAMPLING_RATIO_MUL128 OVSAMPCTL_OVSR(6) /*!< oversampling ratio multiple 128 */
#define ADC_OVERSAMPLING_RATIO_MUL256 OVSAMPCTL_OVSR(7) /*!< oversampling ratio multiple 256 */
/* triggered Oversampling */
#define ADC_OVERSAMPLING_ALL_CONVERT ((uint32_t)0x00000000U) /*!< all oversampled conversions for a channel are done consecutively after a trigger */
#define ADC_OVERSAMPLING_ONE_CONVERT ADC_OVSAMPCTL_TOVS /*!< each oversampled conversion for a channel needs a trigger */
/* ADC channel group definitions */
#define ADC_REGULAR_CHANNEL ((uint8_t)0x01U) /*!< adc regular channel group */
#define ADC_INSERTED_CHANNEL ((uint8_t)0x02U) /*!< adc inserted channel group */
#define ADC_REGULAR_INSERTED_CHANNEL ((uint8_t)0x03U) /*!< both regular and inserted channel group */
#define ADC_CHANNEL_DISCON_DISABLE ((uint8_t)0x04U) /*!< disable discontinuous mode of regular & inserted channel */
/* ADC inserted channel definitions */
#define ADC_INSERTED_CHANNEL_0 ((uint8_t)0x00U) /*!< adc inserted channel 0 */
#define ADC_INSERTED_CHANNEL_1 ((uint8_t)0x01U) /*!< adc inserted channel 1 */
#define ADC_INSERTED_CHANNEL_2 ((uint8_t)0x02U) /*!< adc inserted channel 2 */
#define ADC_INSERTED_CHANNEL_3 ((uint8_t)0x03U) /*!< adc inserted channel 3 */
/* ADC channel definitions */
#define ADC_CHANNEL_0 ((uint8_t)0x00U) /*!< ADC channel 0 */
#define ADC_CHANNEL_1 ((uint8_t)0x01U) /*!< ADC channel 1 */
#define ADC_CHANNEL_2 ((uint8_t)0x02U) /*!< ADC channel 2 */
#define ADC_CHANNEL_3 ((uint8_t)0x03U) /*!< ADC channel 3 */
#define ADC_CHANNEL_4 ((uint8_t)0x04U) /*!< ADC channel 4 */
#define ADC_CHANNEL_5 ((uint8_t)0x05U) /*!< ADC channel 5 */
#define ADC_CHANNEL_6 ((uint8_t)0x06U) /*!< ADC channel 6 */
#define ADC_CHANNEL_7 ((uint8_t)0x07U) /*!< ADC channel 7 */
#define ADC_CHANNEL_8 ((uint8_t)0x08U) /*!< ADC channel 8 */
#define ADC_CHANNEL_9 ((uint8_t)0x09U) /*!< ADC channel 9 */
#define ADC_CHANNEL_10 ((uint8_t)0x0AU) /*!< ADC channel 10 */
#define ADC_CHANNEL_11 ((uint8_t)0x0BU) /*!< ADC channel 11 */
#define ADC_CHANNEL_12 ((uint8_t)0x0CU) /*!< ADC channel 12 */
#define ADC_CHANNEL_13 ((uint8_t)0x0DU) /*!< ADC channel 13 */
#define ADC_CHANNEL_14 ((uint8_t)0x0EU) /*!< ADC channel 14 */
#define ADC_CHANNEL_15 ((uint8_t)0x0FU) /*!< ADC channel 15 */
#define ADC_CHANNEL_16 ((uint8_t)0x10U) /*!< ADC channel 16 */
#define ADC_CHANNEL_17 ((uint8_t)0x11U) /*!< ADC channel 17 */
/* ADC interrupt */
#define ADC_INT_WDE ADC_STAT_WDE /*!< analog watchdog event interrupt */
#define ADC_INT_EOC ADC_STAT_EOC /*!< end of group conversion interrupt */
#define ADC_INT_EOIC ADC_STAT_EOIC /*!< end of inserted group conversion interrupt */
/* ADC interrupt flag */
#define ADC_INT_FLAG_WDE ADC_STAT_WDE /*!< analog watchdog event interrupt flag */
#define ADC_INT_FLAG_EOC ADC_STAT_EOC /*!< end of group conversion interrupt flag */
#define ADC_INT_FLAG_EOIC ADC_STAT_EOIC /*!< end of inserted group conversion interrupt flag */
/* function declarations */
/* initialization config */
/* reset ADC */
void adc_deinit(uint32_t adc_periph);
/* configure the ADC sync mode */
void adc_mode_config(uint32_t mode);
/* enable or disable ADC special function */
void adc_special_function_config(uint32_t adc_periph, uint32_t function, ControlStatus newvalue);
/* configure ADC data alignment */
void adc_data_alignment_config(uint32_t adc_periph, uint32_t data_alignment);
/* enable ADC interface */
void adc_enable(uint32_t adc_periph);
/* disable ADC interface */
void adc_disable(uint32_t adc_periph);
/* ADC calibration and reset calibration */
void adc_calibration_enable(uint32_t adc_periph);
/* enable the temperature sensor and Vrefint channel */
void adc_tempsensor_vrefint_enable(void);
/* disable the temperature sensor and Vrefint channel */
void adc_tempsensor_vrefint_disable(void);
/* configure ADC resolution */
void adc_resolution_config(uint32_t adc_periph, uint32_t resolution);
/* configure ADC oversample mode */
void adc_oversample_mode_config(uint32_t adc_periph, uint32_t mode, uint16_t shift, uint8_t ratio);
/* enable ADC oversample mode */
void adc_oversample_mode_enable(uint32_t adc_periph);
/* disable ADC oversample mode */
void adc_oversample_mode_disable(uint32_t adc_periph);
/* DMA config */
/* enable DMA request */
void adc_dma_mode_enable(uint32_t adc_periph);
/* disable DMA request */
void adc_dma_mode_disable(uint32_t adc_periph);
/* regular group and inserted group config */
/* configure ADC discontinuous mode */
void adc_discontinuous_mode_config(uint32_t adc_periph, uint8_t adc_channel_group, uint8_t length);
/* configure the length of regular channel group or inserted channel group */
void adc_channel_length_config(uint32_t adc_periph, uint8_t adc_channel_group, uint32_t length);
/* configure ADC regular channel */
void adc_regular_channel_config(uint32_t adc_periph, uint8_t rank, uint8_t adc_channel, uint32_t sample_time);
/* configure ADC inserted channel */
void adc_inserted_channel_config(uint32_t adc_periph, uint8_t rank, uint8_t adc_channel, uint32_t sample_time);
/* configure ADC inserted channel offset */
void adc_inserted_channel_offset_config(uint32_t adc_periph, uint8_t inserted_channel, uint16_t offset);
/* configure ADC external trigger source */
void adc_external_trigger_source_config(uint32_t adc_periph, uint8_t adc_channel_group, uint32_t external_trigger_source);
/* enable ADC external trigger */
void adc_external_trigger_config(uint32_t adc_periph, uint8_t adc_channel_group, ControlStatus newvalue);
/* enable ADC software trigger */
void adc_software_trigger_enable(uint32_t adc_periph, uint8_t adc_channel_group);
/* get channel data */
/* read ADC regular group data register */
uint16_t adc_regular_data_read(uint32_t adc_periph);
/* read ADC inserted group data register */
uint16_t adc_inserted_data_read(uint32_t adc_periph, uint8_t inserted_channel);
/* read the last ADC0 and ADC1 conversion result data in sync mode */
uint32_t adc_sync_mode_convert_value_read(void);
/* watchdog config */
/* configure ADC analog watchdog single channel */
void adc_watchdog_single_channel_enable(uint32_t adc_periph, uint8_t adc_channel);
/* configure ADC analog watchdog group channel */
void adc_watchdog_group_channel_enable(uint32_t adc_periph, uint8_t adc_channel_group);
/* disable ADC analog watchdog */
void adc_watchdog_disable(uint32_t adc_periph);
/* configure ADC analog watchdog threshold */
void adc_watchdog_threshold_config(uint32_t adc_periph, uint16_t low_threshold, uint16_t high_threshold);
/* interrupt & flag functions */
/* get the ADC flag bits */
FlagStatus adc_flag_get(uint32_t adc_periph, uint32_t adc_flag);
/* clear the ADC flag bits */
void adc_flag_clear(uint32_t adc_periph, uint32_t adc_flag);
/* get the bit state of ADCx software start conversion */
FlagStatus adc_regular_software_startconv_flag_get(uint32_t adc_periph);
/* get the bit state of ADCx software inserted channel start conversion */
FlagStatus adc_inserted_software_startconv_flag_get(uint32_t adc_periph);
/* get the ADC interrupt bits */
FlagStatus adc_interrupt_flag_get(uint32_t adc_periph, uint32_t adc_interrupt);
/* clear the ADC flag */
void adc_interrupt_flag_clear(uint32_t adc_periph, uint32_t adc_interrupt);
/* enable ADC interrupt */
void adc_interrupt_enable(uint32_t adc_periph, uint32_t adc_interrupt);
/* disable ADC interrupt */
void adc_interrupt_disable(uint32_t adc_periph, uint32_t adc_interrupt);
#endif /* GD32E10X_ADC_H */

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/*!
\file gd32e10x_bkp.h
\brief definitions for the BKP
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_BKP_H
#define GD32E10X_BKP_H
#include "gd32e10x.h"
/* BKP definitions */
#define BKP BKP_BASE /*!< BKP base address */
/* registers definitions */
#define BKP_DATA0 REG16((BKP) + 0x04U) /*!< BKP data register 0 */
#define BKP_DATA1 REG16((BKP) + 0x08U) /*!< BKP data register 1 */
#define BKP_DATA2 REG16((BKP) + 0x0CU) /*!< BKP data register 2 */
#define BKP_DATA3 REG16((BKP) + 0x10U) /*!< BKP data register 3 */
#define BKP_DATA4 REG16((BKP) + 0x14U) /*!< BKP data register 4 */
#define BKP_DATA5 REG16((BKP) + 0x18U) /*!< BKP data register 5 */
#define BKP_DATA6 REG16((BKP) + 0x1CU) /*!< BKP data register 6 */
#define BKP_DATA7 REG16((BKP) + 0x20U) /*!< BKP data register 7 */
#define BKP_DATA8 REG16((BKP) + 0x24U) /*!< BKP data register 8 */
#define BKP_DATA9 REG16((BKP) + 0x28U) /*!< BKP data register 9 */
#define BKP_DATA10 REG16((BKP) + 0x40U) /*!< BKP data register 10 */
#define BKP_DATA11 REG16((BKP) + 0x44U) /*!< BKP data register 11 */
#define BKP_DATA12 REG16((BKP) + 0x48U) /*!< BKP data register 12 */
#define BKP_DATA13 REG16((BKP) + 0x4CU) /*!< BKP data register 13 */
#define BKP_DATA14 REG16((BKP) + 0x50U) /*!< BKP data register 14 */
#define BKP_DATA15 REG16((BKP) + 0x54U) /*!< BKP data register 15 */
#define BKP_DATA16 REG16((BKP) + 0x58U) /*!< BKP data register 16 */
#define BKP_DATA17 REG16((BKP) + 0x5CU) /*!< BKP data register 17 */
#define BKP_DATA18 REG16((BKP) + 0x60U) /*!< BKP data register 18 */
#define BKP_DATA19 REG16((BKP) + 0x64U) /*!< BKP data register 19 */
#define BKP_DATA20 REG16((BKP) + 0x68U) /*!< BKP data register 20 */
#define BKP_DATA21 REG16((BKP) + 0x6CU) /*!< BKP data register 21 */
#define BKP_DATA22 REG16((BKP) + 0x70U) /*!< BKP data register 22 */
#define BKP_DATA23 REG16((BKP) + 0x74U) /*!< BKP data register 23 */
#define BKP_DATA24 REG16((BKP) + 0x78U) /*!< BKP data register 24 */
#define BKP_DATA25 REG16((BKP) + 0x7CU) /*!< BKP data register 25 */
#define BKP_DATA26 REG16((BKP) + 0x80U) /*!< BKP data register 26 */
#define BKP_DATA27 REG16((BKP) + 0x84U) /*!< BKP data register 27 */
#define BKP_DATA28 REG16((BKP) + 0x88U) /*!< BKP data register 28 */
#define BKP_DATA29 REG16((BKP) + 0x8CU) /*!< BKP data register 29 */
#define BKP_DATA30 REG16((BKP) + 0x90U) /*!< BKP data register 30 */
#define BKP_DATA31 REG16((BKP) + 0x94U) /*!< BKP data register 31 */
#define BKP_DATA32 REG16((BKP) + 0x98U) /*!< BKP data register 32 */
#define BKP_DATA33 REG16((BKP) + 0x9CU) /*!< BKP data register 33 */
#define BKP_DATA34 REG16((BKP) + 0xA0U) /*!< BKP data register 34 */
#define BKP_DATA35 REG16((BKP) + 0xA4U) /*!< BKP data register 35 */
#define BKP_DATA36 REG16((BKP) + 0xA8U) /*!< BKP data register 36 */
#define BKP_DATA37 REG16((BKP) + 0xACU) /*!< BKP data register 37 */
#define BKP_DATA38 REG16((BKP) + 0xB0U) /*!< BKP data register 38 */
#define BKP_DATA39 REG16((BKP) + 0xB4U) /*!< BKP data register 39 */
#define BKP_DATA40 REG16((BKP) + 0xB8U) /*!< BKP data register 40 */
#define BKP_DATA41 REG16((BKP) + 0xBCU) /*!< BKP data register 41 */
#define BKP_OCTL REG16((BKP) + 0x2CU) /*!< RTC signal output control register */
#define BKP_TPCTL REG16((BKP) + 0x30U) /*!< tamper pin control register */
#define BKP_TPCS REG16((BKP) + 0x34U) /*!< tamper control and status register */
/* bits definitions */
/* BKP_DATA */
#define BKP_DATA BITS(0,15) /*!< backup data */
/* BKP_OCTL */
#define BKP_OCTL_RCCV BITS(0,6) /*!< RTC clock calibration value */
#define BKP_OCTL_COEN BIT(7) /*!< RTC clock calibration output enable */
#define BKP_OCTL_ASOEN BIT(8) /*!< RTC alarm or second signal output enable */
#define BKP_OCTL_ROSEL BIT(9) /*!< RTC output selection */
#define BKP_OCTL_CCOSEL BIT(14) /*!< RTC clock output selection */
#define BKP_OCTL_CALDIR BIT(15) /*!< RTC clock calibration direction */
/* BKP_TPCTL */
#define BKP_TPCTL_TPEN BIT(0) /*!< tamper detection enable */
#define BKP_TPCTL_TPAL BIT(1) /*!< tamper pin active level */
/* BKP_TPCS */
#define BKP_TPCS_TER BIT(0) /*!< tamper event reset */
#define BKP_TPCS_TIR BIT(1) /*!< tamper interrupt reset */
#define BKP_TPCS_TPIE BIT(2) /*!< tamper interrupt enable */
#define BKP_TPCS_TEF BIT(8) /*!< tamper event flag */
#define BKP_TPCS_TIF BIT(9) /*!< tamper interrupt flag */
/* constants definitions */
/* BKP data register number */
typedef enum {
BKP_DATA_0 = 1, /*!< BKP data register 0 */
BKP_DATA_1, /*!< BKP data register 1 */
BKP_DATA_2, /*!< BKP data register 2 */
BKP_DATA_3, /*!< BKP data register 3 */
BKP_DATA_4, /*!< BKP data register 4 */
BKP_DATA_5, /*!< BKP data register 5 */
BKP_DATA_6, /*!< BKP data register 6 */
BKP_DATA_7, /*!< BKP data register 7 */
BKP_DATA_8, /*!< BKP data register 8 */
BKP_DATA_9, /*!< BKP data register 9 */
BKP_DATA_10, /*!< BKP data register 10 */
BKP_DATA_11, /*!< BKP data register 11 */
BKP_DATA_12, /*!< BKP data register 12 */
BKP_DATA_13, /*!< BKP data register 13 */
BKP_DATA_14, /*!< BKP data register 14 */
BKP_DATA_15, /*!< BKP data register 15 */
BKP_DATA_16, /*!< BKP data register 16 */
BKP_DATA_17, /*!< BKP data register 17 */
BKP_DATA_18, /*!< BKP data register 18 */
BKP_DATA_19, /*!< BKP data register 19 */
BKP_DATA_20, /*!< BKP data register 20 */
BKP_DATA_21, /*!< BKP data register 21 */
BKP_DATA_22, /*!< BKP data register 22 */
BKP_DATA_23, /*!< BKP data register 23 */
BKP_DATA_24, /*!< BKP data register 24 */
BKP_DATA_25, /*!< BKP data register 25 */
BKP_DATA_26, /*!< BKP data register 26 */
BKP_DATA_27, /*!< BKP data register 27 */
BKP_DATA_28, /*!< BKP data register 28 */
BKP_DATA_29, /*!< BKP data register 29 */
BKP_DATA_30, /*!< BKP data register 30 */
BKP_DATA_31, /*!< BKP data register 31 */
BKP_DATA_32, /*!< BKP data register 32 */
BKP_DATA_33, /*!< BKP data register 33 */
BKP_DATA_34, /*!< BKP data register 34 */
BKP_DATA_35, /*!< BKP data register 35 */
BKP_DATA_36, /*!< BKP data register 36 */
BKP_DATA_37, /*!< BKP data register 37 */
BKP_DATA_38, /*!< BKP data register 38 */
BKP_DATA_39, /*!< BKP data register 39 */
BKP_DATA_40, /*!< BKP data register 40 */
BKP_DATA_41, /*!< BKP data register 41 */
} bkp_data_register_enum;
/* BKP data register */
#define BKP_DATA0_9(number) REG16((BKP) + 0x04U + (number) * 0x04U)
#define BKP_DATA10_41(number) REG16((BKP) + 0x40U + ((number)-10U) * 0x04U)
/* get data of BKP data register */
#define BKP_DATA_GET(regval) GET_BITS((uint32_t)(regval), 0, 15)
/* RTC clock calibration value */
#define OCTL_RCCV(regval) (BITS(0,6) & ((uint32_t)(regval) << 0))
/* RTC output selection */
#define RTC_OUTPUT_ALARM_PULSE ((uint16_t)0x0000U) /*!< RTC alarm pulse is selected as the RTC output */
#define RTC_OUTPUT_SECOND_PULSE ((uint16_t)BKP_OCTL_ROSEL) /*!< RTC second pulse is selected as the RTC output */
/* RTC clock output selection */
#define RTC_CLOCK_DIV_64 ((uint16_t)0x0000U) /*!< RTC clock div 64 */
#define RTC_CLOCK_DIV_1 ((uint16_t)BKP_OCTL_CCOSEL) /*!< RTC clock div 1 */
/* RTC clock calibration direction */
#define RTC_CLOCK_SLOWED_DOWN ((uint16_t)0x0000U) /*!< RTC clock slow down */
#define RTC_CLOCK_SPEED_UP ((uint16_t)BKP_OCTL_CALDIR) /*!< RTC clock speed up */
/* tamper pin active level */
#define TAMPER_PIN_ACTIVE_HIGH ((uint16_t)0x0000U) /*!< the tamper pin is active high */
#define TAMPER_PIN_ACTIVE_LOW ((uint16_t)BKP_TPCTL_TPAL) /*!< the tamper pin is active low */
/* tamper flag */
#define BKP_FLAG_TAMPER BKP_TPCS_TEF /*!< tamper event flag */
/* tamper interrupt flag */
#define BKP_INT_FLAG_TAMPER BKP_TPCS_TIF /*!< tamper interrupt flag */
/* function declarations */
/* operation functions */
/* reset BKP registers */
void bkp_deinit(void);
/* write BKP data register */
void bkp_data_write(bkp_data_register_enum register_number, uint16_t data);
/* read BKP data register */
uint16_t bkp_data_read(bkp_data_register_enum register_number);
/* RTC related functions */
/* enable RTC clock calibration output */
void bkp_rtc_calibration_output_enable(void);
/* disable RTC clock calibration output */
void bkp_rtc_calibration_output_disable(void);
/* enable RTC alarm or second signal output */
void bkp_rtc_signal_output_enable(void);
/* disable RTC alarm or second signal output */
void bkp_rtc_signal_output_disable(void);
/* select RTC output */
void bkp_rtc_output_select(uint16_t outputsel);
/* select RTC clock output */
void bkp_rtc_clock_output_select(uint16_t clocksel);
/* select RTC clock calibration direction */
void bkp_rtc_clock_calibration_direction_select(uint16_t direction);
/* set RTC clock calibration value */
void bkp_rtc_calibration_value_set(uint8_t value);
/* tamper pin related functions */
/* enable tamper pin detection */
void bkp_tamper_detection_enable(void);
/* disable tamper pin detection */
void bkp_tamper_detection_disable(void);
/* set tamper pin active level */
void bkp_tamper_active_level_set(uint16_t level);
/* interrupt & flag functions */
/* enable tamper interrupt */
void bkp_interrupt_enable(void);
/* disable tamper interrupt */
void bkp_interrupt_disable(void);
/* get tamper flag state */
FlagStatus bkp_flag_get(void);
/* clear tamper flag state */
void bkp_flag_clear(void);
/* get tamper interrupt flag state */
FlagStatus bkp_interrupt_flag_get(void);
/* clear tamper interrupt flag state */
void bkp_interrupt_flag_clear(void);
#endif /* GD32E10X_BKP_H */

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/*!
\file gd32e10x_can.h
\brief definitions for the CAN
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_CAN_H
#define GD32E10X_CAN_H
#include "gd32e10x.h"
/* CAN definitions */
#define CAN0 CAN_BASE /*!< CAN0 base address */
#define CAN1 (CAN0 + 0x00000400U) /*!< CAN1 base address */
/* registers definitions */
#define CAN_CTL(canx) REG32((canx) + 0x00U) /*!< CAN control register */
#define CAN_STAT(canx) REG32((canx) + 0x04U) /*!< CAN status register */
#define CAN_TSTAT(canx) REG32((canx) + 0x08U) /*!< CAN transmit status register*/
#define CAN_RFIFO0(canx) REG32((canx) + 0x0CU) /*!< CAN receive FIFO0 register */
#define CAN_RFIFO1(canx) REG32((canx) + 0x10U) /*!< CAN receive FIFO1 register */
#define CAN_INTEN(canx) REG32((canx) + 0x14U) /*!< CAN interrupt enable register */
#define CAN_ERR(canx) REG32((canx) + 0x18U) /*!< CAN error register */
#define CAN_BT(canx) REG32((canx) + 0x1CU) /*!< CAN bit timing register */
#define CAN_FDCTL(canx) REG32((canx) + 0x20U) /*!< CAN FD control register */
#define CAN_FDSTAT(canx) REG32((canx) + 0x24U) /*!< CAN FD status register */
#define CAN_FDTDC(canx) REG32((canx) + 0x28U) /*!< CAN FD transmitter delay compensation register */
#define CAN_DBT(canx) REG32((canx) + 0x2CU) /*!< CAN date bit timing register */
#define CAN_TMI0(canx) REG32((canx) + 0x180U) /*!< CAN transmit mailbox0 identifier register */
#define CAN_TMP0(canx) REG32((canx) + 0x184U) /*!< CAN transmit mailbox0 property register */
#define CAN_TMDATA00(canx) REG32((canx) + 0x188U) /*!< CAN transmit mailbox0 data0 register */
#define CAN_TMDATA10(canx) REG32((canx) + 0x18CU) /*!< CAN transmit mailbox0 data1 register */
#define CAN_TMI1(canx) REG32((canx) + 0x190U) /*!< CAN transmit mailbox1 identifier register */
#define CAN_TMP1(canx) REG32((canx) + 0x194U) /*!< CAN transmit mailbox1 property register */
#define CAN_TMDATA01(canx) REG32((canx) + 0x198U) /*!< CAN transmit mailbox1 data0 register */
#define CAN_TMDATA11(canx) REG32((canx) + 0x19CU) /*!< CAN transmit mailbox1 data1 register */
#define CAN_TMI2(canx) REG32((canx) + 0x1A0U) /*!< CAN transmit mailbox2 identifier register */
#define CAN_TMP2(canx) REG32((canx) + 0x1A4U) /*!< CAN transmit mailbox2 property register */
#define CAN_TMDATA02(canx) REG32((canx) + 0x1A8U) /*!< CAN transmit mailbox2 data0 register */
#define CAN_TMDATA12(canx) REG32((canx) + 0x1ACU) /*!< CAN transmit mailbox2 data1 register */
#define CAN_RFIFOMI0(canx) REG32((canx) + 0x1B0U) /*!< CAN receive FIFO0 mailbox identifier register */
#define CAN_RFIFOMP0(canx) REG32((canx) + 0x1B4U) /*!< CAN receive FIFO0 mailbox property register */
#define CAN_RFIFOMDATA00(canx) REG32((canx) + 0x1B8U) /*!< CAN receive FIFO0 mailbox data0 register */
#define CAN_RFIFOMDATA10(canx) REG32((canx) + 0x1BCU) /*!< CAN receive FIFO0 mailbox data1 register */
#define CAN_RFIFOMI1(canx) REG32((canx) + 0x1C0U) /*!< CAN receive FIFO1 mailbox identifier register */
#define CAN_RFIFOMP1(canx) REG32((canx) + 0x1C4U) /*!< CAN receive FIFO1 mailbox property register */
#define CAN_RFIFOMDATA01(canx) REG32((canx) + 0x1C8U) /*!< CAN receive FIFO1 mailbox data0 register */
#define CAN_RFIFOMDATA11(canx) REG32((canx) + 0x1CCU) /*!< CAN receive FIFO1 mailbox data1 register */
#define CAN_FCTL(canx) REG32((canx) + 0x200U) /*!< CAN filter control register */
#define CAN_FMCFG(canx) REG32((canx) + 0x204U) /*!< CAN filter mode register */
#define CAN_FSCFG(canx) REG32((canx) + 0x20CU) /*!< CAN filter scale register */
#define CAN_FAFIFO(canx) REG32((canx) + 0x214U) /*!< CAN filter associated FIFO register */
#define CAN_FW(canx) REG32((canx) + 0x21CU) /*!< CAN filter working register */
#define CAN_F0DATA0(canx) REG32((canx) + 0x240U) /*!< CAN filter 0 data 0 register */
#define CAN_F1DATA0(canx) REG32((canx) + 0x248U) /*!< CAN filter 1 data 0 register */
#define CAN_F2DATA0(canx) REG32((canx) + 0x250U) /*!< CAN filter 2 data 0 register */
#define CAN_F3DATA0(canx) REG32((canx) + 0x258U) /*!< CAN filter 3 data 0 register */
#define CAN_F4DATA0(canx) REG32((canx) + 0x260U) /*!< CAN filter 4 data 0 register */
#define CAN_F5DATA0(canx) REG32((canx) + 0x268U) /*!< CAN filter 5 data 0 register */
#define CAN_F6DATA0(canx) REG32((canx) + 0x270U) /*!< CAN filter 6 data 0 register */
#define CAN_F7DATA0(canx) REG32((canx) + 0x278U) /*!< CAN filter 7 data 0 register */
#define CAN_F8DATA0(canx) REG32((canx) + 0x280U) /*!< CAN filter 8 data 0 register */
#define CAN_F9DATA0(canx) REG32((canx) + 0x288U) /*!< CAN filter 9 data 0 register */
#define CAN_F10DATA0(canx) REG32((canx) + 0x290U) /*!< CAN filter 10 data 0 register */
#define CAN_F11DATA0(canx) REG32((canx) + 0x298U) /*!< CAN filter 11 data 0 register */
#define CAN_F12DATA0(canx) REG32((canx) + 0x2A0U) /*!< CAN filter 12 data 0 register */
#define CAN_F13DATA0(canx) REG32((canx) + 0x2A8U) /*!< CAN filter 13 data 0 register */
#define CAN_F14DATA0(canx) REG32((canx) + 0x2B0U) /*!< CAN filter 14 data 0 register */
#define CAN_F15DATA0(canx) REG32((canx) + 0x2B8U) /*!< CAN filter 15 data 0 register */
#define CAN_F16DATA0(canx) REG32((canx) + 0x2C0U) /*!< CAN filter 16 data 0 register */
#define CAN_F17DATA0(canx) REG32((canx) + 0x2C8U) /*!< CAN filter 17 data 0 register */
#define CAN_F18DATA0(canx) REG32((canx) + 0x2D0U) /*!< CAN filter 18 data 0 register */
#define CAN_F19DATA0(canx) REG32((canx) + 0x2D8U) /*!< CAN filter 19 data 0 register */
#define CAN_F20DATA0(canx) REG32((canx) + 0x2E0U) /*!< CAN filter 20 data 0 register */
#define CAN_F21DATA0(canx) REG32((canx) + 0x2E8U) /*!< CAN filter 21 data 0 register */
#define CAN_F22DATA0(canx) REG32((canx) + 0x2F0U) /*!< CAN filter 22 data 0 register */
#define CAN_F23DATA0(canx) REG32((canx) + 0x3F8U) /*!< CAN filter 23 data 0 register */
#define CAN_F24DATA0(canx) REG32((canx) + 0x300U) /*!< CAN filter 24 data 0 register */
#define CAN_F25DATA0(canx) REG32((canx) + 0x308U) /*!< CAN filter 25 data 0 register */
#define CAN_F26DATA0(canx) REG32((canx) + 0x310U) /*!< CAN filter 26 data 0 register */
#define CAN_F27DATA0(canx) REG32((canx) + 0x318U) /*!< CAN filter 27 data 0 register */
#define CAN_F0DATA1(canx) REG32((canx) + 0x244U) /*!< CAN filter 0 data 1 register */
#define CAN_F1DATA1(canx) REG32((canx) + 0x24CU) /*!< CAN filter 1 data 1 register */
#define CAN_F2DATA1(canx) REG32((canx) + 0x254U) /*!< CAN filter 2 data 1 register */
#define CAN_F3DATA1(canx) REG32((canx) + 0x25CU) /*!< CAN filter 3 data 1 register */
#define CAN_F4DATA1(canx) REG32((canx) + 0x264U) /*!< CAN filter 4 data 1 register */
#define CAN_F5DATA1(canx) REG32((canx) + 0x26CU) /*!< CAN filter 5 data 1 register */
#define CAN_F6DATA1(canx) REG32((canx) + 0x274U) /*!< CAN filter 6 data 1 register */
#define CAN_F7DATA1(canx) REG32((canx) + 0x27CU) /*!< CAN filter 7 data 1 register */
#define CAN_F8DATA1(canx) REG32((canx) + 0x284U) /*!< CAN filter 8 data 1 register */
#define CAN_F9DATA1(canx) REG32((canx) + 0x28CU) /*!< CAN filter 9 data 1 register */
#define CAN_F10DATA1(canx) REG32((canx) + 0x294U) /*!< CAN filter 10 data 1 register */
#define CAN_F11DATA1(canx) REG32((canx) + 0x29CU) /*!< CAN filter 11 data 1 register */
#define CAN_F12DATA1(canx) REG32((canx) + 0x2A4U) /*!< CAN filter 12 data 1 register */
#define CAN_F13DATA1(canx) REG32((canx) + 0x2ACU) /*!< CAN filter 13 data 1 register */
#define CAN_F14DATA1(canx) REG32((canx) + 0x2B4U) /*!< CAN filter 14 data 1 register */
#define CAN_F15DATA1(canx) REG32((canx) + 0x2BCU) /*!< CAN filter 15 data 1 register */
#define CAN_F16DATA1(canx) REG32((canx) + 0x2C4U) /*!< CAN filter 16 data 1 register */
#define CAN_F17DATA1(canx) REG32((canx) + 0x24CU) /*!< CAN filter 17 data 1 register */
#define CAN_F18DATA1(canx) REG32((canx) + 0x2D4U) /*!< CAN filter 18 data 1 register */
#define CAN_F19DATA1(canx) REG32((canx) + 0x2DCU) /*!< CAN filter 19 data 1 register */
#define CAN_F20DATA1(canx) REG32((canx) + 0x2E4U) /*!< CAN filter 20 data 1 register */
#define CAN_F21DATA1(canx) REG32((canx) + 0x2ECU) /*!< CAN filter 21 data 1 register */
#define CAN_F22DATA1(canx) REG32((canx) + 0x2F4U) /*!< CAN filter 22 data 1 register */
#define CAN_F23DATA1(canx) REG32((canx) + 0x2FCU) /*!< CAN filter 23 data 1 register */
#define CAN_F24DATA1(canx) REG32((canx) + 0x304U) /*!< CAN filter 24 data 1 register */
#define CAN_F25DATA1(canx) REG32((canx) + 0x30CU) /*!< CAN filter 25 data 1 register */
#define CAN_F26DATA1(canx) REG32((canx) + 0x314U) /*!< CAN filter 26 data 1 register */
#define CAN_F27DATA1(canx) REG32((canx) + 0x31CU) /*!< CAN filter 27 data 1 register */
/* CAN transmit mailbox bank */
#define CAN_TMI(canx, bank) REG32((canx) + 0x180U + ((bank) * 0x10U)) /*!< CAN transmit mailbox identifier register */
#define CAN_TMP(canx, bank) REG32((canx) + 0x184U + ((bank) * 0x10U)) /*!< CAN transmit mailbox property register */
#define CAN_TMDATA0(canx, bank) REG32((canx) + 0x188U + ((bank) * 0x10U)) /*!< CAN transmit mailbox data0 register */
#define CAN_TMDATA1(canx, bank) REG32((canx) + 0x18CU + ((bank) * 0x10U)) /*!< CAN transmit mailbox data1 register */
/* CAN filter bank */
#define CAN_FDATA0(canx, bank) REG32((canx) + 0x240U + ((bank) * 0x8U) + 0x0U) /*!< CAN filter data 0 register */
#define CAN_FDATA1(canx, bank) REG32((canx) + 0x240U + ((bank) * 0x8U) + 0x4U) /*!< CAN filter data 1 register */
/* CAN receive fifo mailbox bank */
#define CAN_RFIFOMI(canx, bank) REG32((canx) + 0x1B0U + ((bank) * 0x10U)) /*!< CAN receive FIFO mailbox identifier register */
#define CAN_RFIFOMP(canx, bank) REG32((canx) + 0x1B4U + ((bank) * 0x10U)) /*!< CAN receive FIFO mailbox property register */
#define CAN_RFIFOMDATA0(canx, bank) REG32((canx) + 0x1B8U + ((bank) * 0x10U)) /*!< CAN receive FIFO mailbox data0 register */
#define CAN_RFIFOMDATA1(canx, bank) REG32((canx) + 0x1BCU + ((bank) * 0x10U)) /*!< CAN receive FIFO mailbox data1 register */
/* bits definitions */
/* CAN_CTL */
#define CAN_CTL_IWMOD BIT(0) /*!< initial working mode */
#define CAN_CTL_SLPWMOD BIT(1) /*!< sleep working mode */
#define CAN_CTL_TFO BIT(2) /*!< transmit FIFO order */
#define CAN_CTL_RFOD BIT(3) /*!< receive FIFO overwrite disable */
#define CAN_CTL_ARD BIT(4) /*!< automatic retransmission disable */
#define CAN_CTL_AWU BIT(5) /*!< automatic wakeup */
#define CAN_CTL_ABOR BIT(6) /*!< automatic bus-off recovery */
#define CAN_CTL_TTC BIT(7) /*!< time triggered communication */
#define CAN_CTL_SWRST BIT(15) /*!< CAN software reset */
#define CAN_CTL_DFZ BIT(16) /*!< CAN debug freeze */
/* CAN_STAT */
#define CAN_STAT_IWS BIT(0) /*!< initial working state */
#define CAN_STAT_SLPWS BIT(1) /*!< sleep working state */
#define CAN_STAT_ERRIF BIT(2) /*!< error interrupt flag*/
#define CAN_STAT_WUIF BIT(3) /*!< status change interrupt flag of wakeup from sleep working mode */
#define CAN_STAT_SLPIF BIT(4) /*!< status change interrupt flag of sleep working mode entering */
#define CAN_STAT_TS BIT(8) /*!< transmitting state */
#define CAN_STAT_RS BIT(9) /*!< receiving state */
#define CAN_STAT_LASTRX BIT(10) /*!< last sample value of rx pin */
#define CAN_STAT_RXL BIT(11) /*!< CAN rx signal */
/* CAN_TSTAT */
#define CAN_TSTAT_MTF0 BIT(0) /*!< mailbox0 transmit finished */
#define CAN_TSTAT_MTFNERR0 BIT(1) /*!< mailbox0 transmit finished and no error */
#define CAN_TSTAT_MAL0 BIT(2) /*!< mailbox0 arbitration lost */
#define CAN_TSTAT_MTE0 BIT(3) /*!< mailbox0 transmit error */
#define CAN_TSTAT_MST0 BIT(7) /*!< mailbox0 stop transmitting */
#define CAN_TSTAT_MTF1 BIT(8) /*!< mailbox1 transmit finished */
#define CAN_TSTAT_MTFNERR1 BIT(9) /*!< mailbox1 transmit finished and no error */
#define CAN_TSTAT_MAL1 BIT(10) /*!< mailbox1 arbitration lost */
#define CAN_TSTAT_MTE1 BIT(11) /*!< mailbox1 transmit error */
#define CAN_TSTAT_MST1 BIT(15) /*!< mailbox1 stop transmitting */
#define CAN_TSTAT_MTF2 BIT(16) /*!< mailbox2 transmit finished */
#define CAN_TSTAT_MTFNERR2 BIT(17) /*!< mailbox2 transmit finished and no error */
#define CAN_TSTAT_MAL2 BIT(18) /*!< mailbox2 arbitration lost */
#define CAN_TSTAT_MTE2 BIT(19) /*!< mailbox2 transmit error */
#define CAN_TSTAT_MST2 BIT(23) /*!< mailbox2 stop transmitting */
#define CAN_TSTAT_NUM BITS(24,25) /*!< mailbox number */
#define CAN_TSTAT_TME0 BIT(26) /*!< transmit mailbox0 empty */
#define CAN_TSTAT_TME1 BIT(27) /*!< transmit mailbox1 empty */
#define CAN_TSTAT_TME2 BIT(28) /*!< transmit mailbox2 empty */
#define CAN_TSTAT_TMLS0 BIT(29) /*!< last sending priority flag for mailbox0 */
#define CAN_TSTAT_TMLS1 BIT(30) /*!< last sending priority flag for mailbox1 */
#define CAN_TSTAT_TMLS2 BIT(31) /*!< last sending priority flag for mailbox2 */
/* CAN_RFIFO0 */
#define CAN_RFIFO0_RFL0 BITS(0,1) /*!< receive FIFO0 length */
#define CAN_RFIFO0_RFF0 BIT(3) /*!< receive FIFO0 full */
#define CAN_RFIFO0_RFO0 BIT(4) /*!< receive FIFO0 overfull */
#define CAN_RFIFO0_RFD0 BIT(5) /*!< receive FIFO0 dequeue */
/* CAN_RFIFO1 */
#define CAN_RFIFO1_RFL1 BITS(0,1) /*!< receive FIFO1 length */
#define CAN_RFIFO1_RFF1 BIT(3) /*!< receive FIFO1 full */
#define CAN_RFIFO1_RFO1 BIT(4) /*!< receive FIFO1 overfull */
#define CAN_RFIFO1_RFD1 BIT(5) /*!< receive FIFO1 dequeue */
/* CAN_INTEN */
#define CAN_INTEN_TMEIE BIT(0) /*!< transmit mailbox empty interrupt enable */
#define CAN_INTEN_RFNEIE0 BIT(1) /*!< receive FIFO0 not empty interrupt enable */
#define CAN_INTEN_RFFIE0 BIT(2) /*!< receive FIFO0 full interrupt enable */
#define CAN_INTEN_RFOIE0 BIT(3) /*!< receive FIFO0 overfull interrupt enable */
#define CAN_INTEN_RFNEIE1 BIT(4) /*!< receive FIFO1 not empty interrupt enable */
#define CAN_INTEN_RFFIE1 BIT(5) /*!< receive FIFO1 full interrupt enable */
#define CAN_INTEN_RFOIE1 BIT(6) /*!< receive FIFO1 overfull interrupt enable */
#define CAN_INTEN_WERRIE BIT(8) /*!< warning error interrupt enable */
#define CAN_INTEN_PERRIE BIT(9) /*!< passive error interrupt enable */
#define CAN_INTEN_BOIE BIT(10) /*!< bus-off interrupt enable */
#define CAN_INTEN_ERRNIE BIT(11) /*!< error number interrupt enable */
#define CAN_INTEN_ERRIE BIT(15) /*!< error interrupt enable */
#define CAN_INTEN_WIE BIT(16) /*!< wakeup interrupt enable */
#define CAN_INTEN_SLPWIE BIT(17) /*!< sleep working interrupt enable */
/* CAN_ERR */
#define CAN_ERR_WERR BIT(0) /*!< warning error */
#define CAN_ERR_PERR BIT(1) /*!< passive error */
#define CAN_ERR_BOERR BIT(2) /*!< bus-off error */
#define CAN_ERR_ERRN BITS(4,6) /*!< error number */
#define CAN_ERR_TECNT BITS(16,23) /*!< transmit error count */
#define CAN_ERR_RECNT BITS(24,31) /*!< receive error count */
/* CAN_BT */
#define CAN_BT_BAUDPSC BITS(0,9) /*!< baudrate prescaler */
#define CAN_BT_BS1_6_4 BITS(10,12) /*!< bit segment 1 [6:4] */
#define CAN_BT_BS2_4_3 BITS(13,14) /*!< bit segment 2 [4:3] */
#define CAN_BT_BS1_3_0 BITS(16,19) /*!< bit segment 1 [3:0] */
#define CAN_BT_BS2_2_0 BITS(20,22) /*!< bit segment 2 [2:0]*/
#define CAN_BT_SJW BITS(24,28) /*!< resynchronization jump width */
#define CAN_BT_LCMOD BIT(30) /*!< loopback communication mode */
#define CAN_BT_SCMOD BIT(31) /*!< silent communication mode */
/* CAN_FDCTL */
#define CAN_FDCTL_FDEN BIT(0) /*!< FD operation enable */
#define CAN_FDCTL_PRED BIT(2) /*!< protocol exception event detection disable */
#define CAN_FDCTL_NISO BIT(3) /*!< ISO/Bosch */
#define CAN_FDCTL_TDCEN BIT(4) /*!< transmitter delay compensation enable */
#define CAN_FDCTL_TDCMOD BIT(5) /*!< transmitter delay compensation mode */
#define CAN_FDCTL_ESIMOD BIT(6) /*!< error state indicator mode */
/* CAN_FDSTAT */
#define CAN_FDSTAT_TDCV BITS(0,6) /*!< transmitter delay compensation value */
#define CAN_FDSTAT_PRE BIT(16) /*!< protocol exception event */
/* CAN_FDTDC */
#define CAN_FDTDC_TDCF BITS(0,6) /*!< transmitter delay compensation filter */
#define CAN_FDTDC_TDCO BITS(8,14) /*!< transmitter delay compensation offset */
/* CAN_DBT */
#define CAN_DBT_DBAUDPSC BITS(0,9) /*!< baud rate prescaler */
#define CAN_DBT_DBS1 BITS(16,19) /*!< bit segment 1 */
#define CAN_DBT_DBS2 BITS(20,22) /*!< bit segment 2 */
#define CAN_DBT_DSJW BITS(24,26) /*!< resynchronization jump width */
/* CAN_TMIx */
#define CAN_TMI_TEN BIT(0) /*!< transmit enable */
#define CAN_TMI_FT BIT(1) /*!< frame type */
#define CAN_TMI_FF BIT(2) /*!< frame format */
#define CAN_TMI_EFID BITS(3,31) /*!< the frame identifier */
#define CAN_TMI_SFID BITS(21,31) /*!< the frame identifier */
/* CAN_TMPx */
#define CAN_TMP_DLENC BITS(0,3) /*!< data length code */
#define CAN_TMP_ESI BIT(4) /*!< error status indicator */
#define CAN_TMP_BRS BIT(5) /*!< bit rate of data switch */
#define CAN_TMP_FDF BIT(7) /*!< CAN FD frame flag */
#define CAN_TMP_TSEN BIT(8) /*!< time stamp enable */
#define CAN_TMP_TS BITS(16,31) /*!< time stamp */
/* CAN_TMDATA0x */
#define CAN_TMDATA0_DB0 BITS(0,7) /*!< transmit data byte 0 */
#define CAN_TMDATA0_DB1 BITS(8,15) /*!< transmit data byte 1 */
#define CAN_TMDATA0_DB2 BITS(16,23) /*!< transmit data byte 2 */
#define CAN_TMDATA0_DB3 BITS(24,31) /*!< transmit data byte 3 */
/* CAN_TMDATA1x */
#define CAN_TMDATA1_DB4 BITS(0,7) /*!< transmit data byte 4 */
#define CAN_TMDATA1_DB5 BITS(8,15) /*!< transmit data byte 5 */
#define CAN_TMDATA1_DB6 BITS(16,23) /*!< transmit data byte 6 */
#define CAN_TMDATA1_DB7 BITS(24,31) /*!< transmit data byte 7 */
/* CAN_RFIFOMIx */
#define CAN_RFIFOMI_FT BIT(1) /*!< frame type */
#define CAN_RFIFOMI_FF BIT(2) /*!< frame format */
#define CAN_RFIFOMI_EFID BITS(3,31) /*!< the frame identifier */
#define CAN_RFIFOMI_SFID BITS(21,31) /*!< the frame identifier */
/* CAN_RFIFOMPx */
#define CAN_RFIFOMP_DLENC BITS(0,3) /*!< receive data length code */
#define CAN_RFIFOMP_ESI BIT(4) /*!< error status indicator */
#define CAN_RFIFOMP_BRS BIT(5) /*!< bit rate of data switch */
#define CAN_RFIFOMP_FDF BIT(7) /*!< CAN FD frame flag */
#define CAN_RFIFOMP_FI BITS(8,15) /*!< filter index */
#define CAN_RFIFOMP_TS BITS(16,31) /*!< time stamp */
/* CAN_RFIFOMDATA0x */
#define CAN_RFIFOMDATA0_DB0 BITS(0,7) /*!< receive data byte 0 */
#define CAN_RFIFOMDATA0_DB1 BITS(8,15) /*!< receive data byte 1 */
#define CAN_RFIFOMDATA0_DB2 BITS(16,23) /*!< receive data byte 2 */
#define CAN_RFIFOMDATA0_DB3 BITS(24,31) /*!< receive data byte 3 */
/* CAN_RFIFOMDATA1x */
#define CAN_RFIFOMDATA1_DB4 BITS(0,7) /*!< receive data byte 4 */
#define CAN_RFIFOMDATA1_DB5 BITS(8,15) /*!< receive data byte 5 */
#define CAN_RFIFOMDATA1_DB6 BITS(16,23) /*!< receive data byte 6 */
#define CAN_RFIFOMDATA1_DB7 BITS(24,31) /*!< receive data byte 7 */
/* CAN_FCTL */
#define CAN_FCTL_FLD BIT(0) /*!< filter lock disable */
#define CAN_FCTL_HBC1F BITS(8,13) /*!< header bank of CAN1 filter */
/* CAN_FMCFG */
#define CAN_FMCFG_FMOD(regval) BIT(regval) /*!< filter mode, list or mask*/
/* CAN_FSCFG */
#define CAN_FSCFG_FS(regval) BIT(regval) /*!< filter scale, 32 bits or 16 bits*/
/* CAN_FAFIFO */
#define CAN_FAFIFOR_FAF(regval) BIT(regval) /*!< filter associated with FIFO */
/* CAN_FW */
#define CAN_FW_FW(regval) BIT(regval) /*!< filter working */
/* CAN_FxDATAy */
#define CAN_FDATA_FD(regval) BIT(regval) /*!< filter data */
/* consts definitions */
/* define the CAN bit position and its register index offset */
#define CAN_REGIDX_BIT(regidx, bitpos) (((uint32_t)(regidx) << 6) | (uint32_t)(bitpos))
#define CAN_REG_VAL(canx, offset) (REG32((canx) + ((uint32_t)(offset) >> 6)))
#define CAN_BIT_POS(val) ((uint32_t)(val) & 0x1FU)
#define CAN_REGIDX_BITS(regidx, bitpos0, bitpos1) (((uint32_t)(regidx) << 12) | ((uint32_t)(bitpos0) << 6) | (uint32_t)(bitpos1))
#define CAN_REG_VALS(canx, offset) (REG32((canx) + ((uint32_t)(offset) >> 12)))
#define CAN_BIT_POS0(val) (((uint32_t)(val) >> 6) & 0x1FU)
#define CAN_BIT_POS1(val) ((uint32_t)(val) & 0x1FU)
/* register offset */
#define STAT_REG_OFFSET ((uint8_t)0x04U) /*!< STAT register offset */
#define TSTAT_REG_OFFSET ((uint8_t)0x08U) /*!< TSTAT register offset */
#define RFIFO0_REG_OFFSET ((uint8_t)0x0CU) /*!< RFIFO0 register offset */
#define RFIFO1_REG_OFFSET ((uint8_t)0x10U) /*!< RFIFO1 register offset */
#define ERR_REG_OFFSET ((uint8_t)0x18U) /*!< ERR register offset */
/* CAN flags */
typedef enum {
/* flags in TSTAT register */
CAN_FLAG_MTE2 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 19U), /*!< mailbox 2 transmit error */
CAN_FLAG_MTE1 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 11U), /*!< mailbox 1 transmit error */
CAN_FLAG_MTE0 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 3U), /*!< mailbox 0 transmit error */
CAN_FLAG_MTF2 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 16U), /*!< mailbox 2 transmit finished */
CAN_FLAG_MTF1 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 8U), /*!< mailbox 1 transmit finished */
CAN_FLAG_MTF0 = CAN_REGIDX_BIT(TSTAT_REG_OFFSET, 0U), /*!< mailbox 0 transmit finished */
/* flags in RFIFO0 register */
CAN_FLAG_RFO0 = CAN_REGIDX_BIT(RFIFO0_REG_OFFSET, 4U), /*!< receive FIFO0 overfull */
CAN_FLAG_RFF0 = CAN_REGIDX_BIT(RFIFO0_REG_OFFSET, 3U), /*!< receive FIFO0 full */
/* flags in RFIFO1 register */
CAN_FLAG_RFO1 = CAN_REGIDX_BIT(RFIFO1_REG_OFFSET, 4U), /*!< receive FIFO1 overfull */
CAN_FLAG_RFF1 = CAN_REGIDX_BIT(RFIFO1_REG_OFFSET, 3U), /*!< receive FIFO1 full */
/* flags in ERR register */
CAN_FLAG_BOERR = CAN_REGIDX_BIT(ERR_REG_OFFSET, 2U), /*!< bus-off error */
CAN_FLAG_PERR = CAN_REGIDX_BIT(ERR_REG_OFFSET, 1U), /*!< passive error */
CAN_FLAG_WERR = CAN_REGIDX_BIT(ERR_REG_OFFSET, 0U), /*!< warning error */
} can_flag_enum;
/* CAN interrupt flags */
typedef enum {
/* interrupt flags in STAT register */
CAN_INT_FLAG_SLPIF = CAN_REGIDX_BITS(STAT_REG_OFFSET, 4U, 17U), /*!< status change interrupt flag of sleep working mode entering */
CAN_INT_FLAG_WUIF = CAN_REGIDX_BITS(STAT_REG_OFFSET, 3U, 16), /*!< status change interrupt flag of wakeup from sleep working mode */
CAN_INT_FLAG_ERRIF = CAN_REGIDX_BITS(STAT_REG_OFFSET, 2U, 15), /*!< error interrupt flag */
/* interrupt flags in TSTAT register */
CAN_INT_FLAG_MTF2 = CAN_REGIDX_BITS(TSTAT_REG_OFFSET, 16U, 0U), /*!< mailbox 2 transmit finished interrupt flag */
CAN_INT_FLAG_MTF1 = CAN_REGIDX_BITS(TSTAT_REG_OFFSET, 8U, 0U), /*!< mailbox 1 transmit finished interrupt flag */
CAN_INT_FLAG_MTF0 = CAN_REGIDX_BITS(TSTAT_REG_OFFSET, 0U, 0U), /*!< mailbox 0 transmit finished interrupt flag */
/* interrupt flags in RFIFO0 register */
CAN_INT_FLAG_RFO0 = CAN_REGIDX_BITS(RFIFO0_REG_OFFSET, 4U, 3U), /*!< receive FIFO0 overfull interrupt flag */
CAN_INT_FLAG_RFF0 = CAN_REGIDX_BITS(RFIFO0_REG_OFFSET, 3U, 2U), /*!< receive FIFO0 full interrupt flag */
/* interrupt flags in RFIFO0 register */
CAN_INT_FLAG_RFO1 = CAN_REGIDX_BITS(RFIFO1_REG_OFFSET, 4U, 6U), /*!< receive FIFO1 overfull interrupt flag */
CAN_INT_FLAG_RFF1 = CAN_REGIDX_BITS(RFIFO1_REG_OFFSET, 3U, 5U), /*!< receive FIFO1 full interrupt flag */
} can_interrupt_flag_enum;
/* CAN FD transmitter delay compensation parameters struct */
typedef struct {
uint32_t tdc_mode; /*!< transmitter delay compensation mode */
uint8_t tdc_filter; /*!< transmitter delay compensation filter */
uint8_t tdc_offset; /*!< transmitter delay compensation offset */
} can_fd_tdc_struct;
/* CAN initiliaze FD frame parameters struct */
typedef struct {
ControlStatus fd_frame; /*!< FD operation function */
ControlStatus excp_event_detect; /*!< protocol exception event detection function*/
ControlStatus delay_compensation; /*!< transmitter delay compensation mode */
can_fd_tdc_struct *p_delay_compensation; /*!< pointer to the struct of the transmitter delay compensation */
uint32_t iso_bosch; /*!< ISO/Bosch mode choice */
uint32_t esi_mode; /*!< error state indicator mode */
uint8_t data_resync_jump_width; /*!< CAN resynchronization jump width */
uint8_t data_time_segment_1; /*!< time segment 1 */
uint8_t data_time_segment_2; /*!< time segment 2 */
uint16_t data_prescaler; /*!< baudrate prescaler */
} can_fdframe_struct;
/* CAN initiliaze parameters struct */
typedef struct {
uint8_t working_mode; /*!< CAN working mode */
uint8_t resync_jump_width; /*!< CAN resynchronization jump width */
uint8_t time_segment_1; /*!< time segment 1 */
uint8_t time_segment_2; /*!< time segment 2 */
ControlStatus time_triggered; /*!< time triggered communication mode */
ControlStatus auto_bus_off_recovery; /*!< automatic bus-off recovery */
ControlStatus auto_wake_up; /*!< automatic wake-up mode */
ControlStatus auto_retrans; /*!< automatic retransmission mode */
ControlStatus rec_fifo_overwrite; /*!< receive FIFO overwrite mode */
ControlStatus trans_fifo_order; /*!< transmit FIFO order */
uint16_t prescaler; /*!< baudrate prescaler */
} can_parameter_struct;
/* CAN transmit message struct */
typedef struct {
uint32_t tx_sfid; /*!< standard format frame identifier */
uint32_t tx_efid; /*!< extended format frame identifier */
uint8_t tx_ff; /*!< format of frame, standard or extended format */
uint8_t tx_ft; /*!< type of frame, data or remote */
uint8_t tx_dlen; /*!< data length */
uint8_t tx_data[64]; /*!< transmit data */
uint8_t fd_flag; /*!< CAN FD frame flag */
uint8_t fd_brs; /*!< bit rate of data switch */
uint8_t fd_esi; /*!< error status indicator */
} can_trasnmit_message_struct;
/* CAN receive message struct */
typedef struct {
uint32_t rx_sfid; /*!< standard format frame identifier */
uint32_t rx_efid; /*!< extended format frame identifier */
uint8_t rx_ff; /*!< format of frame, standard or extended format */
uint8_t rx_ft; /*!< type of frame, data or remote */
uint8_t rx_dlen; /*!< data length */
uint8_t rx_data[64]; /*!< receive data */
uint8_t rx_fi; /*!< filtering index */
uint8_t fd_flag; /*!< CAN FD frame flag */
uint8_t fd_brs; /*!< bit rate of data switch */
uint8_t fd_esi; /*!< error status indicator */
} can_receive_message_struct;
/* CAN filter parameters struct */
typedef struct {
uint16_t filter_list_high; /*!< filter list number high bits*/
uint16_t filter_list_low; /*!< filter list number low bits */
uint16_t filter_mask_high; /*!< filter mask number high bits */
uint16_t filter_mask_low; /*!< filter mask number low bits */
uint16_t filter_fifo_number; /*!< receive FIFO associated with the filter */
uint16_t filter_number; /*!< filter number */
uint16_t filter_mode; /*!< filter mode, list or mask */
uint16_t filter_bits; /*!< filter scale */
ControlStatus filter_enable; /*!< filter work or not */
} can_filter_parameter_struct;
/* CAN errors */
typedef enum {
CAN_ERROR_NONE = 0, /*!< no error */
CAN_ERROR_FILL, /*!< fill error */
CAN_ERROR_FORMATE, /*!< format error */
CAN_ERROR_ACK, /*!< ACK error */
CAN_ERROR_BITRECESSIVE, /*!< bit recessive error */
CAN_ERROR_BITDOMINANTER, /*!< bit dominant error */
CAN_ERROR_CRC, /*!< CRC error */
CAN_ERROR_SOFTWARECFG, /*!< software configure */
} can_error_enum;
/* transmit states */
typedef enum {
CAN_TRANSMIT_FAILED = 0, /*!< CAN transmitted failure */
CAN_TRANSMIT_OK = 1, /*!< CAN transmitted success */
CAN_TRANSMIT_PENDING = 2, /*!< CAN transmitted pending */
CAN_TRANSMIT_NOMAILBOX = 4, /*!< no empty mailbox to be used for CAN */
} can_transmit_state_enum;
/* format and fifo states */
typedef enum {
CAN_STANDARD_FIFO0 = 0, /*!< standard frame and used FIFO0 */
CAN_STANDARD_FIFO1, /*!< standard frame and used FIFO1 */
CAN_EXTENDED_FIFO0, /*!< extended frame and used FIFO0 */
CAN_EXTENDED_FIFO1, /*!< extended frame and used FIFO1 */
} can_format_fifo_enum;
typedef enum {
CAN_INIT_STRUCT = 0, /* CAN initiliaze parameters struct */
CAN_FILTER_STRUCT, /* CAN filter parameters struct */
CAN_FD_FRAME_STRUCT, /* CAN initiliaze FD frame parameters struct */
CAN_TX_MESSAGE_STRUCT, /* CAN transmit message struct */
CAN_RX_MESSAGE_STRUCT, /* CAN receive message struct */
} can_struct_type_enum;
/* CAN baudrate prescaler*/
#define BT_BAUDPSC(regval) (BITS(0,9) & ((uint32_t)(regval) << 0))
/* CAN bit segment 1*/
#define BT_BS1(regval) ((BITS(16,19) & ((uint32_t)(regval) << 16)) | (BITS(10,12) & ((uint32_t)(regval) << 6)))
#define BT_DBS1(regval) ((BITS(16,19) & ((uint32_t)(regval) << 16)))
/* CAN bit segment 2*/
#define BT_BS2(regval) ((BITS(20,22) & ((uint32_t)(regval) << 20)) | (BITS(13,14) & ((uint32_t)(regval) << 10)))
#define BT_DBS2(regval) ((BITS(20,22)) & ((uint32_t)(regval) << 20))
/* CAN resynchronization jump width*/
#define BT_SJW(regval) (BITS(24,28) & ((uint32_t)(regval) << 24))
#define BT_DSJW(regval) (BITS(24,26) & ((uint32_t)(regval) << 24))
#define FDTDC_TDCF(regval) (BITS(0,6) & ((uint32_t)(regval) << 0))
#define FDTDC_TDCO(regval) (BITS(8,14) & ((uint32_t)(regval) << 8))
/* CAN communication mode*/
#define BT_MODE(regval) (BITS(30,31) & ((uint32_t)(regval) << 30))
/* CAN FDATA high 16 bits */
#define FDATA_MASK_HIGH(regval) (BITS(16,31) & ((uint32_t)(regval) << 16))
/* CAN FDATA low 16 bits */
#define FDATA_MASK_LOW(regval) (BITS(0,15) & ((uint32_t)(regval) << 0))
/* CAN1 filter start bank_number*/
#define FCTL_HBC1F(regval) (BITS(8,13) & ((uint32_t)(regval) << 8))
/* CAN transmit mailbox extended identifier*/
#define TMI_EFID(regval) (BITS(3,31) & ((uint32_t)(regval) << 3))
/* CAN transmit mailbox standard identifier*/
#define TMI_SFID(regval) (BITS(21,31) & ((uint32_t)(regval) << 21))
/* transmit data byte 0 */
#define TMDATA0_DB0(regval) (BITS(0,7) & ((uint32_t)(regval) << 0))
/* transmit data byte 1 */
#define TMDATA0_DB1(regval) (BITS(8,15) & ((uint32_t)(regval) << 8))
/* transmit data byte 2 */
#define TMDATA0_DB2(regval) (BITS(16,23) & ((uint32_t)(regval) << 16))
/* transmit data byte 3 */
#define TMDATA0_DB3(regval) (BITS(24,31) & ((uint32_t)(regval) << 24))
/* transmit data byte 4 */
#define TMDATA1_DB4(regval) (BITS(0,7) & ((uint32_t)(regval) << 0))
/* transmit data byte 5 */
#define TMDATA1_DB5(regval) (BITS(8,15) & ((uint32_t)(regval) << 8))
/* transmit data byte 6 */
#define TMDATA1_DB6(regval) (BITS(16,23) & ((uint32_t)(regval) << 16))
/* transmit data byte 7 */
#define TMDATA1_DB7(regval) (BITS(24,31) & ((uint32_t)(regval) << 24))
/* receive mailbox extended identifier*/
#define GET_RFIFOMI_EFID(regval) GET_BITS((uint32_t)(regval), 3, 31)
/* receive mailbox standrad identifier*/
#define GET_RFIFOMI_SFID(regval) GET_BITS((uint32_t)(regval), 21, 31)
/* receive data length */
#define GET_RFIFOMP_DLENC(regval) GET_BITS((uint32_t)(regval), 0, 3)
/* the index of the filter by which the frame is passed */
#define GET_RFIFOMP_FI(regval) GET_BITS((uint32_t)(regval), 8, 15)
/* receive data byte 0 */
#define GET_RFIFOMDATA0_DB0(regval) GET_BITS((uint32_t)(regval), 0, 7)
/* receive data byte 1 */
#define GET_RFIFOMDATA0_DB1(regval) GET_BITS((uint32_t)(regval), 8, 15)
/* receive data byte 2 */
#define GET_RFIFOMDATA0_DB2(regval) GET_BITS((uint32_t)(regval), 16, 23)
/* receive data byte 3 */
#define GET_RFIFOMDATA0_DB3(regval) GET_BITS((uint32_t)(regval), 24, 31)
/* receive data byte 4 */
#define GET_RFIFOMDATA1_DB4(regval) GET_BITS((uint32_t)(regval), 0, 7)
/* receive data byte 5 */
#define GET_RFIFOMDATA1_DB5(regval) GET_BITS((uint32_t)(regval), 8, 15)
/* receive data byte 6 */
#define GET_RFIFOMDATA1_DB6(regval) GET_BITS((uint32_t)(regval), 16, 23)
/* receive data byte 7 */
#define GET_RFIFOMDATA1_DB7(regval) GET_BITS((uint32_t)(regval), 24, 31)
/* error number */
#define GET_ERR_ERRN(regval) GET_BITS((uint32_t)(regval), 4, 6)
/* transmit error count */
#define GET_ERR_TECNT(regval) GET_BITS((uint32_t)(regval), 16, 23)
/* receive error count */
#define GET_ERR_RECNT(regval) GET_BITS((uint32_t)(regval), 24, 31)
/* CAN errors */
#define ERR_ERRN(regval) (BITS(4,6) & ((uint32_t)(regval) << 4))
#define CAN_ERRN_0 ERR_ERRN(0) /* no error */
#define CAN_ERRN_1 ERR_ERRN(1) /*!< fill error */
#define CAN_ERRN_2 ERR_ERRN(2) /*!< format error */
#define CAN_ERRN_3 ERR_ERRN(3) /*!< ACK error */
#define CAN_ERRN_4 ERR_ERRN(4) /*!< bit recessive error */
#define CAN_ERRN_5 ERR_ERRN(5) /*!< bit dominant error */
#define CAN_ERRN_6 ERR_ERRN(6) /*!< CRC error */
#define CAN_ERRN_7 ERR_ERRN(7) /*!< software error */
#define CAN_STATE_PENDING ((uint32_t)0x00000000U) /*!< CAN pending */
/* CAN communication mode */
#define CAN_NORMAL_MODE ((uint8_t)0x00U) /*!< normal communication mode */
#define CAN_LOOPBACK_MODE ((uint8_t)0x01U) /*!< loopback communication mode */
#define CAN_SILENT_MODE ((uint8_t)0x02U) /*!< silent communication mode */
#define CAN_SILENT_LOOPBACK_MODE ((uint8_t)0x03U) /*!< loopback and silent communication mode */
/* CAN resynchronisation jump width */
#define CAN_BT_SJW_1TQ ((uint8_t)0x00U) /*!< 1 time quanta */
#define CAN_BT_SJW_2TQ ((uint8_t)0x01U) /*!< 2 time quanta */
#define CAN_BT_SJW_3TQ ((uint8_t)0x02U) /*!< 3 time quanta */
#define CAN_BT_SJW_4TQ ((uint8_t)0x03U) /*!< 4 time quanta */
/* CAN time segment 1 */
#define CAN_BT_BS1_1TQ ((uint8_t)0x00U) /*!< 1 time quanta */
#define CAN_BT_BS1_2TQ ((uint8_t)0x01U) /*!< 2 time quanta */
#define CAN_BT_BS1_3TQ ((uint8_t)0x02U) /*!< 3 time quanta */
#define CAN_BT_BS1_4TQ ((uint8_t)0x03U) /*!< 4 time quanta */
#define CAN_BT_BS1_5TQ ((uint8_t)0x04U) /*!< 5 time quanta */
#define CAN_BT_BS1_6TQ ((uint8_t)0x05U) /*!< 6 time quanta */
#define CAN_BT_BS1_7TQ ((uint8_t)0x06U) /*!< 7 time quanta */
#define CAN_BT_BS1_8TQ ((uint8_t)0x07U) /*!< 8 time quanta */
#define CAN_BT_BS1_9TQ ((uint8_t)0x08U) /*!< 9 time quanta */
#define CAN_BT_BS1_10TQ ((uint8_t)0x09U) /*!< 10 time quanta */
#define CAN_BT_BS1_11TQ ((uint8_t)0x0AU) /*!< 11 time quanta */
#define CAN_BT_BS1_12TQ ((uint8_t)0x0BU) /*!< 12 time quanta */
#define CAN_BT_BS1_13TQ ((uint8_t)0x0CU) /*!< 13 time quanta */
#define CAN_BT_BS1_14TQ ((uint8_t)0x0DU) /*!< 14 time quanta */
#define CAN_BT_BS1_15TQ ((uint8_t)0x0EU) /*!< 15 time quanta */
#define CAN_BT_BS1_16TQ ((uint8_t)0x0FU) /*!< 16 time quanta */
/* CAN time segment 2 */
#define CAN_BT_BS2_1TQ ((uint8_t)0x00U) /*!< 1 time quanta */
#define CAN_BT_BS2_2TQ ((uint8_t)0x01U) /*!< 2 time quanta */
#define CAN_BT_BS2_3TQ ((uint8_t)0x02U) /*!< 3 time quanta */
#define CAN_BT_BS2_4TQ ((uint8_t)0x03U) /*!< 4 time quanta */
#define CAN_BT_BS2_5TQ ((uint8_t)0x04U) /*!< 5 time quanta */
#define CAN_BT_BS2_6TQ ((uint8_t)0x05U) /*!< 6 time quanta */
#define CAN_BT_BS2_7TQ ((uint8_t)0x06U) /*!< 7 time quanta */
#define CAN_BT_BS2_8TQ ((uint8_t)0x07U) /*!< 8 time quanta */
/* CAN mailbox number */
#define CAN_MAILBOX0 ((uint8_t)0x00U) /*!< mailbox0 */
#define CAN_MAILBOX1 ((uint8_t)0x01U) /*!< mailbox1 */
#define CAN_MAILBOX2 ((uint8_t)0x02U) /*!< mailbox2 */
#define CAN_NOMAILBOX ((uint8_t)0x03U) /*!< no mailbox empty */
/* CAN frame format */
#define CAN_FF_STANDARD ((uint32_t)0x00000000U) /*!< standard frame */
#define CAN_FF_EXTENDED ((uint32_t)0x00000004U) /*!< extended frame */
/* CAN receive fifo */
#define CAN_FIFO0 ((uint8_t)0x00U) /*!< receive FIFO0 */
#define CAN_FIFO1 ((uint8_t)0x01U) /*!< receive FIFO1 */
/* frame number of receive fifo */
#define CAN_RFIF_RFL_MASK ((uint32_t)0x00000003U) /*!< mask for frame number in receive FIFOx */
#define CAN_SFID_MASK ((uint32_t)0x000007FFU) /*!< mask of standard identifier */
#define CAN_EFID_MASK ((uint32_t)0x1FFFFFFFU) /*!< mask of extended identifier */
/* CAN working mode */
#define CAN_MODE_INITIALIZE ((uint8_t)0x01U) /*!< CAN initialize mode */
#define CAN_MODE_NORMAL ((uint8_t)0x02U) /*!< CAN normal mode */
#define CAN_MODE_SLEEP ((uint8_t)0x04U) /*!< CAN sleep mode */
/* filter bits */
#define CAN_FILTERBITS_16BIT ((uint8_t)0x00U) /*!< CAN filter 16 bits */
#define CAN_FILTERBITS_32BIT ((uint8_t)0x01U) /*!< CAN filter 32 bits */
/* filter mode */
#define CAN_FILTERMODE_MASK ((uint8_t)0x00U) /*!< mask mode */
#define CAN_FILTERMODE_LIST ((uint8_t)0x01U) /*!< list mode */
/* filter 16 bits mask */
#define CAN_FILTER_MASK_16BITS ((uint32_t)0x0000FFFFU) /*!< can filter 16 bits mask */
/* frame type */
#define CAN_FT_DATA ((uint32_t)0x00000000U) /*!< data frame */
#define CAN_FT_REMOTE ((uint32_t)0x00000002U) /*!< remote frame */
#define CAN_ESIMOD_HARDWARE ((uint32_t)0x00000000U) /*!< displays the node error state by hardware */
#define CAN_ESIMOD_SOFTWARE CAN_FDCTL_ESIMOD /*!< displays the node error state by software */
#define CAN_TDCMOD_CALC_AND_OFFSET ((uint32_t)0x00000000U) /*!< measurement and offset */
#define CAN_TDCMOD_OFFSET CAN_FDCTL_TDCMOD /*!< only offset */
#define CAN_FDMOD_ISO ((uint32_t)0x00000000U) /*!< ISO mode */
#define CAN_FDMOD_BOSCH CAN_FDCTL_NISO /*!< BOSCH mode */
/* CAN FD frame flag */
#define CAN_FDF_CLASSIC (0U) /*!< classical frames */
#define CAN_FDF_FDFRAME (1U) /*!< FD frames */
/* bit rate of data switch */
#define CAN_BRS_DISABLE (0U) /*!< bit rate not switch */
#define CAN_BRS_ENABLE (1U) /*!< the bit rate shall be switched */
/* error status indicator */
#define CAN_ESI_DOMINANT (0U) /*!< transmit the dominant bit in ESI phase */
#define CAN_ESI_RECESSIVE (1U) /*!< transmit the recessive bit in ESI phase */
/* CAN timeout */
#define CAN_TIMEOUT ((uint32_t)0x0000FFFFU) /*!< timeout value */
/* interrupt enable bits */
#define CAN_INT_TME CAN_INTEN_TMEIE /*!< transmit mailbox empty interrupt enable */
#define CAN_INT_RFNE0 CAN_INTEN_RFNEIE0 /*!< receive FIFO0 not empty interrupt enable */
#define CAN_INT_RFF0 CAN_INTEN_RFFIE0 /*!< receive FIFO0 full interrupt enable */
#define CAN_INT_RFO0 CAN_INTEN_RFOIE0 /*!< receive FIFO0 overfull interrupt enable */
#define CAN_INT_RFNE1 CAN_INTEN_RFNEIE1 /*!< receive FIFO1 not empty interrupt enable */
#define CAN_INT_RFF1 CAN_INTEN_RFFIE1 /*!< receive FIFO1 full interrupt enable */
#define CAN_INT_RFO1 CAN_INTEN_RFOIE1 /*!< receive FIFO1 overfull interrupt enable */
#define CAN_INT_WERR CAN_INTEN_WERRIE /*!< warning error interrupt enable */
#define CAN_INT_PERR CAN_INTEN_PERRIE /*!< passive error interrupt enable */
#define CAN_INT_BO CAN_INTEN_BOIE /*!< bus-off interrupt enable */
#define CAN_INT_ERRN CAN_INTEN_ERRNIE /*!< error number interrupt enable */
#define CAN_INT_ERR CAN_INTEN_ERRIE /*!< error interrupt enable */
#define CAN_INT_WAKEUP CAN_INTEN_WIE /*!< wakeup interrupt enable */
#define CAN_INT_SLPW CAN_INTEN_SLPWIE /*!< sleep working interrupt enable */
/* function declarations */
/* deinitialize CAN */
void can_deinit(uint32_t can_periph);
/* initialize CAN struct */
void can_struct_para_init(can_struct_type_enum type, void *p_struct);
/* initialize CAN */
#ifdef GD_MBED_USED
ErrStatus can_para_init(uint32_t can_periph, can_parameter_struct *can_parameter_init);
#else
ErrStatus can_init(uint32_t can_periph, can_parameter_struct *can_parameter_init);
#endif
/* initialize CAN FD function */
ErrStatus can_fd_init(uint32_t can_periph, can_fdframe_struct *can_fdframe_init);
/* CAN filter init */
void can_filter_init(can_filter_parameter_struct *can_filter_parameter_init);
/* CAN filter mask mode initialization */
void can_filter_mask_mode_init(uint32_t id, uint32_t mask, can_format_fifo_enum format_fifo, uint16_t filter_number);
/* CAN frequency configuration */
ErrStatus can_frequency_set(uint32_t can_periph, uint32_t hz);
/* CAN FD frequency configuration */
ErrStatus can_fd_frequency_set(uint32_t can_periph, uint32_t hz);
/* CAN communication mode configure */
ErrStatus can_monitor_mode_set(uint32_t can_periph, uint8_t mode);
/* CAN FD frame function enable */
void can_fd_function_enable(uint32_t can_periph);
/* CAN FD frame function disable */
void can_fd_function_disable(uint32_t can_periph);
/* set can1 fliter start bank number */
void can1_filter_start_bank(uint8_t start_bank);
/* enable functions */
/* CAN debug freeze enable */
void can_debug_freeze_enable(uint32_t can_periph);
/* CAN debug freeze disable */
void can_debug_freeze_disable(uint32_t can_periph);
/* CAN time trigger mode enable */
void can_time_trigger_mode_enable(uint32_t can_periph);
/* CAN time trigger mode disable */
void can_time_trigger_mode_disable(uint32_t can_periph);
/* transmit CAN message */
uint8_t can_message_transmit(uint32_t can_periph, can_trasnmit_message_struct *transmit_message);
/* get CAN transmit state */
can_transmit_state_enum can_transmit_states(uint32_t can_periph, uint8_t mailbox_number);
/* stop CAN transmission */
void can_transmission_stop(uint32_t can_periph, uint8_t mailbox_number);
/* CAN receive message */
void can_message_receive(uint32_t can_periph, uint8_t fifo_number, can_receive_message_struct *receive_message);
/* CAN release fifo */
void can_fifo_release(uint32_t can_periph, uint8_t fifo_number);
/* CAN receive message length */
uint8_t can_receive_message_length_get(uint32_t can_periph, uint8_t fifo_number);
/* CAN working mode */
ErrStatus can_working_mode_set(uint32_t can_periph, uint8_t working_mode);
/* CAN wakeup from sleep mode */
ErrStatus can_wakeup(uint32_t can_periph);
/* CAN get error */
can_error_enum can_error_get(uint32_t can_periph);
/* get CAN receive error number */
uint8_t can_receive_error_number_get(uint32_t can_periph);
/* get CAN transmit error number */
uint8_t can_transmit_error_number_get(uint32_t can_periph);
/* CAN interrupt enable */
void can_interrupt_enable(uint32_t can_periph, uint32_t interrupt);
/* CAN interrupt disable */
void can_interrupt_disable(uint32_t can_periph, uint32_t interrupt);
/* CAN get flag state */
FlagStatus can_flag_get(uint32_t can_periph, can_flag_enum flag);
/* CAN clear flag state */
void can_flag_clear(uint32_t can_periph, can_flag_enum flag);
/* CAN get interrupt flag state */
FlagStatus can_interrupt_flag_get(uint32_t can_periph, can_interrupt_flag_enum flag);
/* CAN clear interrupt flag state */
void can_interrupt_flag_clear(uint32_t can_periph, can_interrupt_flag_enum flag);
#endif /* GD32E10X_CAN_H */

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/*!
\file gd32e10x_crc.h
\brief definitions for the CRC
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_CRC_H
#define GD32E10X_CRC_H
#include "gd32e10x.h"
/* CRC definitions */
#define CRC CRC_BASE
/* registers definitions */
#define CRC_DATA REG32(CRC + 0x00U) /*!< CRC data register */
#define CRC_FDATA REG32(CRC + 0x04U) /*!< CRC free data register */
#define CRC_CTL REG32(CRC + 0x08U) /*!< CRC control register */
/* bits definitions */
/* CRC_DATA */
#define CRC_DATA_DATA BITS(0,31) /*!< CRC calculation result bits */
/* CRC_FDATA */
#define CRC_FDATA_FDATA BITS(0,7) /*!< CRC free data bits */
/* CRC_CTL */
#define CRC_CTL_RST BIT(0) /*!< CRC reset CRC_DATA register bit */
/* function declarations */
/* deinit CRC calculation unit */
void crc_deinit(void);
/* reset data register(CRC_DATA) to the value of 0xFFFFFFFF */
void crc_data_register_reset(void);
/* read the value of the data register */
uint32_t crc_data_register_read(void);
/* read the value of the free data register */
uint8_t crc_free_data_register_read(void);
/* write data to the free data register */
void crc_free_data_register_write(uint8_t free_data);
/* calculate the CRC value of a 32-bit data */
uint32_t crc_single_data_calculate(uint32_t sdata);
/* calculate the CRC value of an array of 32-bit values */
uint32_t crc_block_data_calculate(uint32_t array[], uint32_t size);
#endif /* GD32E10X_CRC_H */

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/*!
\file gd32e10x_ctc.h
\brief definitions for the CTC
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_CTC_H
#define GD32E10X_CTC_H
#include "gd32e10x.h"
/* CTC definitions */
#define CTC CTC_BASE
/* registers definitions */
#define CTC_CTL0 REG32((CTC) + 0x00U) /*!< CTC control register 0 */
#define CTC_CTL1 REG32((CTC) + 0x04U) /*!< CTC control register 1 */
#define CTC_STAT REG32((CTC) + 0x08U) /*!< CTC status register */
#define CTC_INTC REG32((CTC) + 0x0CU) /*!< CTC interrupt clear register */
/* bits definitions */
/* CTC_CTL0 */
#define CTC_CTL0_CKOKIE BIT(0) /*!< clock trim OK(CKOKIF) interrupt enable */
#define CTC_CTL0_CKWARNIE BIT(1) /*!< clock trim warning(CKWARNIF) interrupt enable */
#define CTC_CTL0_ERRIE BIT(2) /*!< error(ERRIF) interrupt enable */
#define CTC_CTL0_EREFIE BIT(3) /*!< EREFIF interrupt enable */
#define CTC_CTL0_CNTEN BIT(5) /*!< CTC counter enable */
#define CTC_CTL0_AUTOTRIM BIT(6) /*!< hardware automatically trim mode */
#define CTC_CTL0_SWREFPUL BIT(7) /*!< software reference source sync pulse */
#define CTC_CTL0_TRIMVALUE BITS(8,13) /*!< IRC48M trim value */
/* CTC_CTL1 */
#define CTC_CTL1_RLVALUE BITS(0,15) /*!< CTC counter reload value */
#define CTC_CTL1_CKLIM BITS(16,23) /*!< clock trim base limit value */
#define CTC_CTL1_REFPSC BITS(24,26) /*!< reference signal source prescaler */
#define CTC_CTL1_REFSEL BITS(28,29) /*!< reference signal source selection */
#define CTC_CTL1_REFPOL BIT(31) /*!< reference signal source polarity */
/* CTC_STAT */
#define CTC_STAT_CKOKIF BIT(0) /*!< clock trim OK interrupt flag */
#define CTC_STAT_CKWARNIF BIT(1) /*!< clock trim warning interrupt flag */
#define CTC_STAT_ERRIF BIT(2) /*!< error interrupt flag */
#define CTC_STAT_EREFIF BIT(3) /*!< expect reference interrupt flag */
#define CTC_STAT_CKERR BIT(8) /*!< clock trim error bit */
#define CTC_STAT_REFMISS BIT(9) /*!< reference sync pulse miss */
#define CTC_STAT_TRIMERR BIT(10) /*!< trim value error bit */
#define CTC_STAT_REFDIR BIT(15) /*!< CTC trim counter direction when reference sync pulse occurred */
#define CTC_STAT_REFCAP BITS(16,31) /*!< CTC counter capture when reference sync pulse occurred */
/* CTC_INTC */
#define CTC_INTC_CKOKIC BIT(0) /*!< CKOKIF interrupt clear bit */
#define CTC_INTC_CKWARNIC BIT(1) /*!< CKWARNIF interrupt clear bit */
#define CTC_INTC_ERRIC BIT(2) /*!< ERRIF interrupt clear bit */
#define CTC_INTC_EREFIC BIT(3) /*!< EREFIF interrupt clear bit */
/* constants definitions */
/* hardware automatically trim mode definitions */
#define CTC_HARDWARE_TRIM_MODE_ENABLE CTC_CTL0_AUTOTRIM /*!< hardware automatically trim mode enable*/
#define CTC_HARDWARE_TRIM_MODE_DISABLE ((uint32_t)0x00000000U) /*!< hardware automatically trim mode disable*/
/* reference signal source polarity definitions */
#define CTC_REFSOURCE_POLARITY_FALLING CTC_CTL1_REFPOL /*!< reference signal source polarity is falling edge*/
#define CTC_REFSOURCE_POLARITY_RISING ((uint32_t)0x00000000U) /*!< reference signal source polarity is rising edge*/
/* reference signal source selection definitions */
#define CTL1_REFSEL(regval) (BITS(28,29) & ((uint32_t)(regval) << 28))
#define CTC_REFSOURCE_GPIO CTL1_REFSEL(0) /*!< GPIO is selected */
#define CTC_REFSOURCE_LXTAL CTL1_REFSEL(1) /*!< LXTAL is selected */
#define CTC_REFSOURCE_USBSOF CTL1_REFSEL(2) /*!< USBFS_SOF is selected */
/* reference signal source prescaler definitions */
#define CTL1_REFPSC(regval) (BITS(24,26) & ((uint32_t)(regval) << 24))
#define CTC_REFSOURCE_PSC_OFF CTL1_REFPSC(0) /*!< reference signal not divided */
#define CTC_REFSOURCE_PSC_DIV2 CTL1_REFPSC(1) /*!< reference signal divided by 2 */
#define CTC_REFSOURCE_PSC_DIV4 CTL1_REFPSC(2) /*!< reference signal divided by 4 */
#define CTC_REFSOURCE_PSC_DIV8 CTL1_REFPSC(3) /*!< reference signal divided by 8 */
#define CTC_REFSOURCE_PSC_DIV16 CTL1_REFPSC(4) /*!< reference signal divided by 16 */
#define CTC_REFSOURCE_PSC_DIV32 CTL1_REFPSC(5) /*!< reference signal divided by 32 */
#define CTC_REFSOURCE_PSC_DIV64 CTL1_REFPSC(6) /*!< reference signal divided by 64 */
#define CTC_REFSOURCE_PSC_DIV128 CTL1_REFPSC(7) /*!< reference signal divided by 128 */
/* CTC interrupt enable definitions */
#define CTC_INT_CKOK CTC_CTL0_CKOKIE /*!< clock trim OK interrupt enable */
#define CTC_INT_CKWARN CTC_CTL0_CKWARNIE /*!< clock trim warning interrupt enable */
#define CTC_INT_ERR CTC_CTL0_ERRIE /*!< error interrupt enable */
#define CTC_INT_EREF CTC_CTL0_EREFIE /*!< expect reference interrupt enable */
/* CTC interrupt source definitions */
#define CTC_INT_FLAG_CKOK CTC_STAT_CKOKIF /*!< clock trim OK interrupt flag */
#define CTC_INT_FLAG_CKWARN CTC_STAT_CKWARNIF /*!< clock trim warning interrupt flag */
#define CTC_INT_FLAG_ERR CTC_STAT_ERRIF /*!< error interrupt flag */
#define CTC_INT_FLAG_EREF CTC_STAT_EREFIF /*!< expect reference interrupt flag */
#define CTC_INT_FLAG_CKERR CTC_STAT_CKERR /*!< clock trim error bit */
#define CTC_INT_FLAG_REFMISS CTC_STAT_REFMISS /*!< reference sync pulse miss */
#define CTC_INT_FLAG_TRIMERR CTC_STAT_TRIMERR /*!< trim value error */
/* CTC flag definitions */
#define CTC_FLAG_CKOK CTC_STAT_CKOKIF /*!< clock trim OK flag */
#define CTC_FLAG_CKWARN CTC_STAT_CKWARNIF /*!< clock trim warning flag */
#define CTC_FLAG_ERR CTC_STAT_ERRIF /*!< error flag */
#define CTC_FLAG_EREF CTC_STAT_EREFIF /*!< expect reference flag */
#define CTC_FLAG_CKERR CTC_STAT_CKERR /*!< clock trim error bit */
#define CTC_FLAG_REFMISS CTC_STAT_REFMISS /*!< reference sync pulse miss */
#define CTC_FLAG_TRIMERR CTC_STAT_TRIMERR /*!< trim value error bit */
/* function declarations */
/* reset ctc clock trim controller */
void ctc_deinit(void);
/* enable CTC trim counter */
void ctc_counter_enable(void);
/* disable CTC trim counter */
void ctc_counter_disable(void);
/* configure the IRC48M trim value */
void ctc_irc48m_trim_value_config(uint8_t trim_value);
/* generate software reference source sync pulse */
void ctc_software_refsource_pulse_generate(void);
/* configure hardware automatically trim mode */
void ctc_hardware_trim_mode_config(uint32_t hardmode);
/* configure reference signal source polarity */
void ctc_refsource_polarity_config(uint32_t polarity);
/* select reference signal source */
void ctc_refsource_signal_select(uint32_t refs);
/* configure reference signal source prescaler */
void ctc_refsource_prescaler_config(uint32_t prescaler);
/* configure clock trim base limit value */
void ctc_clock_limit_value_config(uint8_t limit_value);
/* configure CTC counter reload value */
void ctc_counter_reload_value_config(uint16_t reload_value);
/* read CTC counter capture value when reference sync pulse occurred */
uint16_t ctc_counter_capture_value_read(void);
/* read CTC trim counter direction when reference sync pulse occurred */
FlagStatus ctc_counter_direction_read(void);
/* read CTC counter reload value */
uint16_t ctc_counter_reload_value_read(void);
/* read the IRC48M trim value */
uint8_t ctc_irc48m_trim_value_read(void);
/* interrupt & flag functions */
/* enable the CTC interrupt */
void ctc_interrupt_enable(uint32_t interrupt);
/* disable the CTC interrupt */
void ctc_interrupt_disable(uint32_t interrupt);
/* get CTC interrupt flag */
FlagStatus ctc_interrupt_flag_get(uint32_t interrupt);
/* clear CTC interrupt flag */
void ctc_interrupt_flag_clear(uint32_t interrupt);
/* get CTC flag */
FlagStatus ctc_flag_get(uint32_t flag);
/* clear CTC flag */
void ctc_flag_clear(uint32_t flag);
#endif /* GD32E10X_CTC_H */

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/*!
\file gd32e10x_dac.h
\brief definitions for the DAC
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_DAC_H
#define GD32E10X_DAC_H
#include "gd32e10x.h"
/* DACx(x=0,1) definitions */
#define DAC DAC_BASE
#define DAC0 0U
#define DAC1 1U
/* registers definitions */
#define DAC_CTL REG32(DAC + 0x00U) /*!< DAC control register */
#define DAC_SWT REG32(DAC + 0x04U) /*!< DAC software trigger register */
#define DAC0_R12DH REG32(DAC + 0x08U) /*!< DAC0 12-bit right-aligned data holding register */
#define DAC0_L12DH REG32(DAC + 0x0CU) /*!< DAC0 12-bit left-aligned data holding register */
#define DAC0_R8DH REG32(DAC + 0x10U) /*!< DAC0 8-bit right-aligned data holding register */
#define DAC1_R12DH REG32(DAC + 0x14U) /*!< DAC1 12-bit right-aligned data holding register */
#define DAC1_L12DH REG32(DAC + 0x18U) /*!< DAC1 12-bit left-aligned data holding register */
#define DAC1_R8DH REG32(DAC + 0x1CU) /*!< DAC1 8-bit right-aligned data holding register */
#define DACC_R12DH REG32(DAC + 0x20U) /*!< DAC concurrent mode 12-bit right-aligned data holding register */
#define DACC_L12DH REG32(DAC + 0x24U) /*!< DAC concurrent mode 12-bit left-aligned data holding register */
#define DACC_R8DH REG32(DAC + 0x28U) /*!< DAC concurrent mode 8-bit right-aligned data holding register */
#define DAC0_DO REG32(DAC + 0x2CU) /*!< DAC0 data output register */
#define DAC1_DO REG32(DAC + 0x30U) /*!< DAC1 data output register */
/* bits definitions */
/* DAC_CTL */
#define DAC_CTL_DEN0 BIT(0) /*!< DAC0 enable/disable bit */
#define DAC_CTL_DBOFF0 BIT(1) /*!< DAC0 output buffer turn on/turn off bit */
#define DAC_CTL_DTEN0 BIT(2) /*!< DAC0 trigger enable/disable bit */
#define DAC_CTL_DTSEL0 BITS(3,5) /*!< DAC0 trigger source selection enable/disable bits */
#define DAC_CTL_DWM0 BITS(6,7) /*!< DAC0 noise wave mode */
#define DAC_CTL_DWBW0 BITS(8,11) /*!< DAC0 noise wave bit width */
#define DAC_CTL_DDMAEN0 BIT(12) /*!< DAC0 DMA enable/disable bit */
#define DAC_CTL_DEN1 BIT(16) /*!< DAC1 enable/disable bit */
#define DAC_CTL_DBOFF1 BIT(17) /*!< DAC1 output buffer turn on/turn off bit */
#define DAC_CTL_DTEN1 BIT(18) /*!< DAC1 trigger enable/disable bit */
#define DAC_CTL_DTSEL1 BITS(19,21) /*!< DAC1 trigger source selection enable/disable bits */
#define DAC_CTL_DWM1 BITS(22,23) /*!< DAC1 noise wave mode */
#define DAC_CTL_DWBW1 BITS(24,27) /*!< DAC1 noise wave bit width */
#define DAC_CTL_DDMAEN1 BIT(28) /*!< DAC1 DMA enable/disable bit */
/* DAC_SWT */
#define DAC_SWT_SWTR0 BIT(0) /*!< DAC0 software trigger bit, cleared by hardware */
#define DAC_SWT_SWTR1 BIT(1) /*!< DAC1 software trigger bit, cleared by hardware */
/* DAC0_R12DH */
#define DAC0_R12DH_DAC0_DH BITS(0,11) /*!< DAC0 12-bit right-aligned data bits */
/* DAC0_L12DH */
#define DAC0_L12DH_DAC0_DH BITS(4,15) /*!< DAC0 12-bit left-aligned data bits */
/* DAC0_R8DH */
#define DAC0_R8DH_DAC0_DH BITS(0,7) /*!< DAC0 8-bit right-aligned data bits */
/* DAC1_R12DH */
#define DAC1_R12DH_DAC1_DH BITS(0,11) /*!< DAC1 12-bit right-aligned data bits */
/* DAC1_L12DH */
#define DAC1_L12DH_DAC1_DH BITS(4,15) /*!< DAC1 12-bit left-aligned data bits */
/* DAC1_R8DH */
#define DAC1_R8DH_DAC1_DH BITS(0,7) /*!< DAC1 8-bit right-aligned data bits */
/* DACC_R12DH */
#define DACC_R12DH_DAC0_DH BITS(0,11) /*!< DAC concurrent mode DAC0 12-bit right-aligned data bits */
#define DACC_R12DH_DAC1_DH BITS(16,27) /*!< DAC concurrent mode DAC1 12-bit right-aligned data bits */
/* DACC_L12DH */
#define DACC_L12DH_DAC0_DH BITS(4,15) /*!< DAC concurrent mode DAC0 12-bit left-aligned data bits */
#define DACC_L12DH_DAC1_DH BITS(20,31) /*!< DAC concurrent mode DAC1 12-bit left-aligned data bits */
/* DACC_R8DH */
#define DACC_R8DH_DAC0_DH BITS(0,7) /*!< DAC concurrent mode DAC0 8-bit right-aligned data bits */
#define DACC_R8DH_DAC1_DH BITS(8,15) /*!< DAC concurrent mode DAC1 8-bit right-aligned data bits */
/* DAC0_DO */
#define DAC0_DO_DAC0_DO BITS(0,11) /*!< DAC0 12-bit output data bits */
/* DAC1_DO */
#define DAC1_DO_DAC1_DO BITS(0,11) /*!< DAC1 12-bit output data bits */
/* constants definitions */
/* DAC trigger source */
#define CTL_DTSEL(regval) (BITS(3,5) & ((uint32_t)(regval) << 3))
#define DAC_TRIGGER_T5_TRGO CTL_DTSEL(0) /*!< TIMER5 TRGO */
#define DAC_TRIGGER_T2_TRGO CTL_DTSEL(1) /*!< TIMER2 TRGO */
#define DAC_TRIGGER_T6_TRGO CTL_DTSEL(2) /*!< TIMER6 TRGO */
#define DAC_TRIGGER_T4_TRGO CTL_DTSEL(3) /*!< TIMER4 TRGO */
#define DAC_TRIGGER_T1_TRGO CTL_DTSEL(4) /*!< TIMER1 TRGO */
#define DAC_TRIGGER_T3_TRGO CTL_DTSEL(5) /*!< TIMER3 TRGO */
#define DAC_TRIGGER_EXTI_9 CTL_DTSEL(6) /*!< EXTI interrupt line9 event */
#define DAC_TRIGGER_SOFTWARE CTL_DTSEL(7) /*!< software trigger */
/* DAC noise wave mode */
#define CTL_DWM(regval) (BITS(6,7) & ((uint32_t)(regval) << 6))
#define DAC_WAVE_DISABLE CTL_DWM(0) /*!< wave disable */
#define DAC_WAVE_MODE_LFSR CTL_DWM(1) /*!< LFSR noise mode */
#define DAC_WAVE_MODE_TRIANGLE CTL_DWM(2) /*!< triangle noise mode */
/* DAC noise wave bit width */
#define DWBW(regval) (BITS(8,11) & ((uint32_t)(regval) << 8))
#define DAC_WAVE_BIT_WIDTH_1 DWBW(0) /*!< bit width of the wave signal is 1 */
#define DAC_WAVE_BIT_WIDTH_2 DWBW(1) /*!< bit width of the wave signal is 2 */
#define DAC_WAVE_BIT_WIDTH_3 DWBW(2) /*!< bit width of the wave signal is 3 */
#define DAC_WAVE_BIT_WIDTH_4 DWBW(3) /*!< bit width of the wave signal is 4 */
#define DAC_WAVE_BIT_WIDTH_5 DWBW(4) /*!< bit width of the wave signal is 5 */
#define DAC_WAVE_BIT_WIDTH_6 DWBW(5) /*!< bit width of the wave signal is 6 */
#define DAC_WAVE_BIT_WIDTH_7 DWBW(6) /*!< bit width of the wave signal is 7 */
#define DAC_WAVE_BIT_WIDTH_8 DWBW(7) /*!< bit width of the wave signal is 8 */
#define DAC_WAVE_BIT_WIDTH_9 DWBW(8) /*!< bit width of the wave signal is 9 */
#define DAC_WAVE_BIT_WIDTH_10 DWBW(9) /*!< bit width of the wave signal is 10 */
#define DAC_WAVE_BIT_WIDTH_11 DWBW(10) /*!< bit width of the wave signal is 11 */
#define DAC_WAVE_BIT_WIDTH_12 DWBW(11) /*!< bit width of the wave signal is 12 */
/* unmask LFSR bits in DAC LFSR noise mode */
#define DAC_LFSR_BIT0 DAC_WAVE_BIT_WIDTH_1 /*!< unmask the LFSR bit0 */
#define DAC_LFSR_BITS1_0 DAC_WAVE_BIT_WIDTH_2 /*!< unmask the LFSR bits[1:0] */
#define DAC_LFSR_BITS2_0 DAC_WAVE_BIT_WIDTH_3 /*!< unmask the LFSR bits[2:0] */
#define DAC_LFSR_BITS3_0 DAC_WAVE_BIT_WIDTH_4 /*!< unmask the LFSR bits[3:0] */
#define DAC_LFSR_BITS4_0 DAC_WAVE_BIT_WIDTH_5 /*!< unmask the LFSR bits[4:0] */
#define DAC_LFSR_BITS5_0 DAC_WAVE_BIT_WIDTH_6 /*!< unmask the LFSR bits[5:0] */
#define DAC_LFSR_BITS6_0 DAC_WAVE_BIT_WIDTH_7 /*!< unmask the LFSR bits[6:0] */
#define DAC_LFSR_BITS7_0 DAC_WAVE_BIT_WIDTH_8 /*!< unmask the LFSR bits[7:0] */
#define DAC_LFSR_BITS8_0 DAC_WAVE_BIT_WIDTH_9 /*!< unmask the LFSR bits[8:0] */
#define DAC_LFSR_BITS9_0 DAC_WAVE_BIT_WIDTH_10 /*!< unmask the LFSR bits[9:0] */
#define DAC_LFSR_BITS10_0 DAC_WAVE_BIT_WIDTH_11 /*!< unmask the LFSR bits[10:0] */
#define DAC_LFSR_BITS11_0 DAC_WAVE_BIT_WIDTH_12 /*!< unmask the LFSR bits[11:0] */
/* DAC data alignment */
#define DATA_ALIGN(regval) (BITS(0,1) & ((uint32_t)(regval) << 0))
#define DAC_ALIGN_12B_R DATA_ALIGN(0) /*!< data right 12 bit alignment */
#define DAC_ALIGN_12B_L DATA_ALIGN(1) /*!< data left 12 bit alignment */
#define DAC_ALIGN_8B_R DATA_ALIGN(2) /*!< data right 8 bit alignment */
/* triangle amplitude in DAC triangle noise mode */
#define DAC_TRIANGLE_AMPLITUDE_1 DAC_WAVE_BIT_WIDTH_1 /*!< triangle amplitude is 1 */
#define DAC_TRIANGLE_AMPLITUDE_3 DAC_WAVE_BIT_WIDTH_2 /*!< triangle amplitude is 3 */
#define DAC_TRIANGLE_AMPLITUDE_7 DAC_WAVE_BIT_WIDTH_3 /*!< triangle amplitude is 7 */
#define DAC_TRIANGLE_AMPLITUDE_15 DAC_WAVE_BIT_WIDTH_4 /*!< triangle amplitude is 15 */
#define DAC_TRIANGLE_AMPLITUDE_31 DAC_WAVE_BIT_WIDTH_5 /*!< triangle amplitude is 31 */
#define DAC_TRIANGLE_AMPLITUDE_63 DAC_WAVE_BIT_WIDTH_6 /*!< triangle amplitude is 63 */
#define DAC_TRIANGLE_AMPLITUDE_127 DAC_WAVE_BIT_WIDTH_7 /*!< triangle amplitude is 127 */
#define DAC_TRIANGLE_AMPLITUDE_255 DAC_WAVE_BIT_WIDTH_8 /*!< triangle amplitude is 255 */
#define DAC_TRIANGLE_AMPLITUDE_511 DAC_WAVE_BIT_WIDTH_9 /*!< triangle amplitude is 511 */
#define DAC_TRIANGLE_AMPLITUDE_1023 DAC_WAVE_BIT_WIDTH_10 /*!< triangle amplitude is 1023 */
#define DAC_TRIANGLE_AMPLITUDE_2047 DAC_WAVE_BIT_WIDTH_11 /*!< triangle amplitude is 2047 */
#define DAC_TRIANGLE_AMPLITUDE_4095 DAC_WAVE_BIT_WIDTH_12 /*!< triangle amplitude is 4095 */
/* function declarations */
/* initialization functions */
/* deinitialize DAC */
void dac_deinit(void);
/* enable DAC */
void dac_enable(uint32_t dac_periph);
/* disable DAC */
void dac_disable(uint32_t dac_periph);
/* enable DAC DMA */
void dac_dma_enable(uint32_t dac_periph);
/* disable DAC DMA */
void dac_dma_disable(uint32_t dac_periph);
/* enable DAC output buffer */
void dac_output_buffer_enable(uint32_t dac_periph);
/* disable DAC output buffer */
void dac_output_buffer_disable(uint32_t dac_periph);
/* get the last data output value */
uint16_t dac_output_value_get(uint32_t dac_periph);
/* set DAC data holding register value */
void dac_data_set(uint32_t dac_periph, uint32_t dac_align, uint16_t data);
/* DAC trigger configuration */
/* enable DAC trigger */
void dac_trigger_enable(uint32_t dac_periph);
/* disable DAC trigger */
void dac_trigger_disable(uint32_t dac_periph);
/* configure DAC trigger source */
void dac_trigger_source_config(uint32_t dac_periph, uint32_t triggersource);
/* enable DAC software trigger */
void dac_software_trigger_enable(uint32_t dac_periph);
/* disable DAC software trigger */
void dac_software_trigger_disable(uint32_t dac_periph);
/* DAC wave mode configuration */
/* configure DAC wave mode */
void dac_wave_mode_config(uint32_t dac_periph, uint32_t wave_mode);
/* configure DAC wave bit width */
void dac_wave_bit_width_config(uint32_t dac_periph, uint32_t bit_width);
/* configure DAC LFSR noise mode */
void dac_lfsr_noise_config(uint32_t dac_periph, uint32_t unmask_bits);
/* configure DAC triangle noise mode */
void dac_triangle_noise_config(uint32_t dac_periph, uint32_t amplitude);
/* DAC concurrent mode configuration */
/* enable DAC concurrent mode */
void dac_concurrent_enable(void);
/* disable DAC concurrent mode */
void dac_concurrent_disable(void);
/* enable DAC concurrent software trigger */
void dac_concurrent_software_trigger_enable(void);
/* disable DAC concurrent software trigger */
void dac_concurrent_software_trigger_disable(void);
/* enable DAC concurrent buffer function */
void dac_concurrent_output_buffer_enable(void);
/* disable DAC concurrent buffer function */
void dac_concurrent_output_buffer_disable(void);
/* set DAC concurrent mode data holding register value */
void dac_concurrent_data_set(uint32_t dac_align, uint16_t data0, uint16_t data1);
#endif /* GD32E10X_DAC_H */

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/*!
\file gd32e10x_dbg.h
\brief definitions for the DBG
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_DBG_H
#define GD32E10X_DBG_H
#include "gd32e10x.h"
/* DBG definitions */
#define DBG DBG_BASE
/* registers definitions */
#define DBG_ID REG32(DBG + 0x00U) /*!< DBG_ID code register */
#define DBG_CTL REG32(DBG + 0x04U) /*!< DBG control register */
/* bits definitions */
/* DBG_ID */
#define DBG_ID_ID_CODE BITS(0,31) /*!< DBG ID code values */
/* DBG_CTL */
#define DBG_CTL_SLP_HOLD BIT(0) /*!< keep debugger connection during sleep mode */
#define DBG_CTL_DSLP_HOLD BIT(1) /*!< keep debugger connection during deepsleep mode */
#define DBG_CTL_STB_HOLD BIT(2) /*!< keep debugger connection during standby mode */
#define DBG_CTL_TRACE_IOEN BIT(5) /*!< enable trace pin assignment */
#define DBG_CTL_TRACE_MODE BITS(6,7) /*!< trace pin mode selection */
#define DBG_CTL_FWDGT_HOLD BIT(8) /*!< debug FWDGT kept when core is halted */
#define DBG_CTL_WWDGT_HOLD BIT(9) /*!< debug WWDGT kept when core is halted */
#define DBG_CTL_TIMER0_HOLD BIT(10) /*!< hold TIMER0 counter when core is halted */
#define DBG_CTL_TIMER1_HOLD BIT(11) /*!< hold TIMER1 counter when core is halted */
#define DBG_CTL_TIMER2_HOLD BIT(12) /*!< hold TIMER2 counter when core is halted */
#define DBG_CTL_TIMER3_HOLD BIT(13) /*!< hold TIMER3 counter when core is halted */
#define DBG_CTL_CAN0_HOLD BIT(14) /*!< debug CAN0 kept when core is halted */
#define DBG_CTL_I2C0_HOLD BIT(15) /*!< hold I2C0 smbus when core is halted */
#define DBG_CTL_I2C1_HOLD BIT(16) /*!< hold I2C1 smbus when core is halted */
#define DBG_CTL_TIMER4_HOLD BIT(17) /*!< hold TIMER4 counter when core is halted */
#define DBG_CTL_TIMER5_HOLD BIT(18) /*!< hold TIMER5 counter when core is halted */
#define DBG_CTL_TIMER6_HOLD BIT(19) /*!< hold TIMER6 counter when core is halted */
#define DBG_CTL_TIMER7_HOLD BIT(20) /*!< hold TIMER7 counter when core is halted */
#define DBG_CTL_CAN1_HOLD BIT(21) /*!< debug CAN1 kept when core is halted */
#define DBG_CTL_TIMER11_HOLD BIT(25) /*!< hold TIMER11 counter when core is halted */
#define DBG_CTL_TIMER12_HOLD BIT(26) /*!< hold TIMER12 counter when core is halted */
#define DBG_CTL_TIMER13_HOLD BIT(27) /*!< hold TIMER13 counter when core is halted */
#define DBG_CTL_TIMER8_HOLD BIT(28) /*!< hold TIMER8 counter when core is halted */
#define DBG_CTL_TIMER9_HOLD BIT(29) /*!< hold TIMER9 counter when core is halted */
#define DBG_CTL_TIMER10_HOLD BIT(30) /*!< hold TIMER10 counter when core is halted */
/* constants definitions */
#define DBG_LOW_POWER_SLEEP DBG_CTL_SLP_HOLD /*!< keep debugger connection during sleep mode */
#define DBG_LOW_POWER_DEEPSLEEP DBG_CTL_DSLP_HOLD /*!< keep debugger connection during deepsleep mode */
#define DBG_LOW_POWER_STANDBY DBG_CTL_STB_HOLD /*!< keep debugger connection during standby mode */
/* debug hold when core is halted */
typedef enum {
DBG_FWDGT_HOLD = BIT(8), /*!< debug FWDGT kept when core is halted */
DBG_WWDGT_HOLD = BIT(9), /*!< debug WWDGT kept when core is halted */
DBG_TIMER0_HOLD = BIT(10), /*!< hold TIMER0 counter when core is halted */
DBG_TIMER1_HOLD = BIT(11), /*!< hold TIMER1 counter when core is halted */
DBG_TIMER2_HOLD = BIT(12), /*!< hold TIMER2 counter when core is halted */
DBG_TIMER3_HOLD = BIT(13), /*!< hold TIMER3 counter when core is halted */
DBG_CAN0_HOLD = BIT(14), /*!< debug CAN0 kept when core is halted */
DBG_I2C0_HOLD = BIT(15), /*!< hold I2C0 smbus when core is halted */
DBG_I2C1_HOLD = BIT(16), /*!< hold I2C1 smbus when core is halted */
DBG_TIMER4_HOLD = BIT(17), /*!< hold TIMER4 counter when core is halted */
DBG_TIMER5_HOLD = BIT(18), /*!< hold TIMER5 counter when core is halted */
DBG_TIMER6_HOLD = BIT(19), /*!< hold TIMER6 counter when core is halted */
DBG_TIMER7_HOLD = BIT(20), /*!< hold TIMER7 counter when core is halted */
DBG_CAN1_HOLD = BIT(21), /*!< debug CAN1 kept when core is halted */
DBG_TIMER11_HOLD = BIT(25), /*!< hold TIMER11 counter when core is halted */
DBG_TIMER12_HOLD = BIT(26), /*!< hold TIMER12 counter when core is halted */
DBG_TIMER13_HOLD = BIT(27), /*!< hold TIMER13 counter when core is halted */
DBG_TIMER8_HOLD = BIT(28), /*!< hold TIMER8 counter when core is halted */
DBG_TIMER9_HOLD = BIT(29), /*!< hold TIMER9 counter when core is halted */
DBG_TIMER10_HOLD = BIT(30), /*!< hold TIMER10 counter when core is halted */
} dbg_periph_enum;
/* DBG_CTL0_TRACE_MODE configurations */
#define CTL_TRACE_MODE(regval) (BITS(6,7) & ((uint32_t)(regval) << 6U))
#define TRACE_MODE_ASYNC CTL_TRACE_MODE(0) /*!< trace pin used for async mode */
#define TRACE_MODE_SYNC_DATASIZE_1 CTL_TRACE_MODE(1) /*!< trace pin used for sync mode and data size is 1 */
#define TRACE_MODE_SYNC_DATASIZE_2 CTL_TRACE_MODE(2) /*!< trace pin used for sync mode and data size is 2 */
#define TRACE_MODE_SYNC_DATASIZE_4 CTL_TRACE_MODE(3) /*!< trace pin used for sync mode and data size is 4 */
/* function declarations */
/* read DBG_ID code register */
uint32_t dbg_id_get(void);
/* enable low power behavior when the MCU is in debug mode */
void dbg_low_power_enable(uint32_t dbg_low_power);
/* disable low power behavior when the MCU is in debug mode */
void dbg_low_power_disable(uint32_t dbg_low_power);
/* enable peripheral behavior when the MCU is in debug mode */
void dbg_periph_enable(dbg_periph_enum dbg_periph);
/* disable peripheral behavior when the MCU is in debug mode */
void dbg_periph_disable(dbg_periph_enum dbg_periph);
/* enable trace pin assignment */
void dbg_trace_pin_enable(void);
/* disable trace pin assignment */
void dbg_trace_pin_disable(void);
/* set trace pin mode */
void dbg_trace_pin_mode_set(uint32_t trace_mode);
#endif /* GD32E10X_DBG_H */

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/*!
\file gd32e10x_dma.h
\brief definitions for the DMA
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_DMA_H
#define GD32E10X_DMA_H
#include "gd32e10x.h"
/* DMA definitions */
#define DMA0 (DMA_BASE) /*!< DMA0 base address */
#define DMA1 (DMA_BASE + 0x0400U) /*!< DMA1 base address */
/* registers definitions */
#define DMA_INTF(dmax) REG32((dmax) + 0x00U) /*!< DMA interrupt flag register */
#define DMA_INTC(dmax) REG32((dmax) + 0x04U) /*!< DMA interrupt flag clear register */
#define DMA_CH0CTL(dmax) REG32((dmax) + 0x08U) /*!< DMA channel 0 control register */
#define DMA_CH0CNT(dmax) REG32((dmax) + 0x0CU) /*!< DMA channel 0 counter register */
#define DMA_CH0PADDR(dmax) REG32((dmax) + 0x10U) /*!< DMA channel 0 peripheral base address register */
#define DMA_CH0MADDR(dmax) REG32((dmax) + 0x14U) /*!< DMA channel 0 memory base address register */
#define DMA_CH1CTL(dmax) REG32((dmax) + 0x1CU) /*!< DMA channel 1 control register */
#define DMA_CH1CNT(dmax) REG32((dmax) + 0x20U) /*!< DMA channel 1 counter register */
#define DMA_CH1PADDR(dmax) REG32((dmax) + 0x24U) /*!< DMA channel 1 peripheral base address register */
#define DMA_CH1MADDR(dmax) REG32((dmax) + 0x28U) /*!< DMA channel 1 memory base address register */
#define DMA_CH2CTL(dmax) REG32((dmax) + 0x30U) /*!< DMA channel 2 control register */
#define DMA_CH2CNT(dmax) REG32((dmax) + 0x34U) /*!< DMA channel 2 counter register */
#define DMA_CH2PADDR(dmax) REG32((dmax) + 0x38U) /*!< DMA channel 2 peripheral base address register */
#define DMA_CH2MADDR(dmax) REG32((dmax) + 0x3CU) /*!< DMA channel 2 memory base address register */
#define DMA_CH3CTL(dmax) REG32((dmax) + 0x44U) /*!< DMA channel 3 control register */
#define DMA_CH3CNT(dmax) REG32((dmax) + 0x48U) /*!< DMA channel 3 counter register */
#define DMA_CH3PADDR(dmax) REG32((dmax) + 0x4CU) /*!< DMA channel 3 peripheral base address register */
#define DMA_CH3MADDR(dmax) REG32((dmax) + 0x50U) /*!< DMA channel 3 memory base address register */
#define DMA_CH4CTL(dmax) REG32((dmax) + 0x58U) /*!< DMA channel 4 control register */
#define DMA_CH4CNT(dmax) REG32((dmax) + 0x5CU) /*!< DMA channel 4 counter register */
#define DMA_CH4PADDR(dmax) REG32((dmax) + 0x60U) /*!< DMA channel 4 peripheral base address register */
#define DMA_CH4MADDR(dmax) REG32((dmax) + 0x64U) /*!< DMA channel 4 memory base address register */
#define DMA_CH5CTL(dmax) REG32((dmax) + 0x6CU) /*!< DMA channel 5 control register */
#define DMA_CH5CNT(dmax) REG32((dmax) + 0x70U) /*!< DMA channel 5 counter register */
#define DMA_CH5PADDR(dmax) REG32((dmax) + 0x74U) /*!< DMA channel 5 peripheral base address register */
#define DMA_CH5MADDR(dmax) REG32((dmax) + 0x78U) /*!< DMA channel 5 memory base address register */
#define DMA_CH6CTL(dmax) REG32((dmax) + 0x80U) /*!< DMA channel 6 control register */
#define DMA_CH6CNT(dmax) REG32((dmax) + 0x84U) /*!< DMA channel 6 counter register */
#define DMA_CH6PADDR(dmax) REG32((dmax) + 0x88U) /*!< DMA channel 6 peripheral base address register */
#define DMA_CH6MADDR(dmax) REG32((dmax) + 0x8CU) /*!< DMA channel 6 memory base address register */
/* bits definitions */
/* DMA_INTF */
#define DMA_INTF_GIF BIT(0) /*!< global interrupt flag of channel */
#define DMA_INTF_FTFIF BIT(1) /*!< full transfer finish flag of channel */
#define DMA_INTF_HTFIF BIT(2) /*!< half transfer finish flag of channel */
#define DMA_INTF_ERRIF BIT(3) /*!< error flag of channel */
/* DMA_INTC */
#define DMA_INTC_GIFC BIT(0) /*!< clear global interrupt flag of channel */
#define DMA_INTC_FTFIFC BIT(1) /*!< clear transfer finish flag of channel */
#define DMA_INTC_HTFIFC BIT(2) /*!< clear half transfer finish flag of channel */
#define DMA_INTC_ERRIFC BIT(3) /*!< clear error flag of channel */
/* DMA_CHxCTL, x=0..6 */
#define DMA_CHXCTL_CHEN BIT(0) /*!< channel enable */
#define DMA_CHXCTL_FTFIE BIT(1) /*!< enable bit for channel full transfer finish interrupt */
#define DMA_CHXCTL_HTFIE BIT(2) /*!< enable bit for channel half transfer finish interrupt */
#define DMA_CHXCTL_ERRIE BIT(3) /*!< enable bit for channel error interrupt */
#define DMA_CHXCTL_DIR BIT(4) /*!< transfer direction */
#define DMA_CHXCTL_CMEN BIT(5) /*!< circular mode enable */
#define DMA_CHXCTL_PNAGA BIT(6) /*!< next address generation algorithm of peripheral */
#define DMA_CHXCTL_MNAGA BIT(7) /*!< next address generation algorithm of memory */
#define DMA_CHXCTL_PWIDTH BITS(8,9) /*!< transfer data width of peripheral */
#define DMA_CHXCTL_MWIDTH BITS(10,11) /*!< transfer data width of memory */
#define DMA_CHXCTL_PRIO BITS(12,13) /*!< priority level */
#define DMA_CHXCTL_M2M BIT(14) /*!< memory to memory mode */
/* DMA_CHxCNT,x=0..6 */
#define DMA_CHXCNT_CNT BITS(0,15) /*!< transfer counter */
/* DMA_CHxPADDR,x=0..6 */
#define DMA_CHXPADDR_PADDR BITS(0,31) /*!< peripheral base address */
/* DMA_CHxMADDR,x=0..6 */
#define DMA_CHXMADDR_MADDR BITS(0,31) /*!< memory base address */
/* constants definitions */
/* DMA channel select */
typedef enum {
DMA_CH0 = 0, /*!< DMA channel 0 */
DMA_CH1, /*!< DMA channel 1 */
DMA_CH2, /*!< DMA channel 2 */
DMA_CH3, /*!< DMA channel 3 */
DMA_CH4, /*!< DMA channel 4 */
DMA_CH5, /*!< DMA channel 5 */
DMA_CH6 /*!< DMA channel 6 */
} dma_channel_enum;
/* DMA initialize struct */
typedef struct {
uint32_t periph_addr; /*!< peripheral base address */
uint32_t periph_width; /*!< transfer data size of peripheral */
uint32_t memory_addr; /*!< memory base address */
uint32_t memory_width; /*!< transfer data size of memory */
uint32_t number; /*!< channel transfer number */
uint32_t priority; /*!< channel priority level */
uint8_t periph_inc; /*!< peripheral increasing mode */
uint8_t memory_inc; /*!< memory increasing mode */
uint8_t direction; /*!< channel data transfer direction */
} dma_parameter_struct;
#define DMA_FLAG_ADD(flag, shift) ((flag) << ((shift) * 4U)) /*!< DMA channel flag shift */
/* DMA_register address */
#define DMA_CHCTL(dma, channel) REG32(((dma) + 0x08U) + 0x14U * (uint32_t)(channel)) /*!< the address of DMA channel CHXCTL register */
#define DMA_CHCNT(dma, channel) REG32(((dma) + 0x0CU) + 0x14U * (uint32_t)(channel)) /*!< the address of DMA channel CHXCNT register */
#define DMA_CHPADDR(dma, channel) REG32(((dma) + 0x10U) + 0x14U * (uint32_t)(channel)) /*!< the address of DMA channel CHXPADDR register */
#define DMA_CHMADDR(dma, channel) REG32(((dma) + 0x14U) + 0x14U * (uint32_t)(channel)) /*!< the address of DMA channel CHXMADDR register */
/* DMA reset value */
#define DMA_CHCTL_RESET_VALUE ((uint32_t)0x00000000U) /*!< the reset value of DMA channel CHXCTL register */
#define DMA_CHCNT_RESET_VALUE ((uint32_t)0x00000000U) /*!< the reset value of DMA channel CHXCNT register */
#define DMA_CHPADDR_RESET_VALUE ((uint32_t)0x00000000U) /*!< the reset value of DMA channel CHXPADDR register */
#define DMA_CHMADDR_RESET_VALUE ((uint32_t)0x00000000U) /*!< the reset value of DMA channel CHXMADDR register */
#define DMA_CHINTF_RESET_VALUE (DMA_INTF_GIF | DMA_INTF_FTFIF | \
DMA_INTF_HTFIF | DMA_INTF_ERRIF) /*!< clear DMA channel DMA_INTF register */
/* DMA_INTF register */
/* interrupt flag bits */
#define DMA_INT_FLAG_G DMA_INTF_GIF /*!< global interrupt flag of channel */
#define DMA_INT_FLAG_FTF DMA_INTF_FTFIF /*!< full transfer finish interrupt flag of channel */
#define DMA_INT_FLAG_HTF DMA_INTF_HTFIF /*!< half transfer finish interrupt flag of channel */
#define DMA_INT_FLAG_ERR DMA_INTF_ERRIF /*!< error interrupt flag of channel */
/* flag bits */
#define DMA_FLAG_G DMA_INTF_GIF /*!< global interrupt flag of channel */
#define DMA_FLAG_FTF DMA_INTF_FTFIF /*!< full transfer finish flag of channel */
#define DMA_FLAG_HTF DMA_INTF_HTFIF /*!< half transfer finish flag of channel */
#define DMA_FLAG_ERR DMA_INTF_ERRIF /*!< error flag of channel */
/* DMA_CHxCTL register */
/* interrupt enable bits */
#define DMA_INT_FTF DMA_CHXCTL_FTFIE /*!< enable bit for channel full transfer finish interrupt */
#define DMA_INT_HTF DMA_CHXCTL_HTFIE /*!< enable bit for channel half transfer finish interrupt */
#define DMA_INT_ERR DMA_CHXCTL_ERRIE /*!< enable bit for channel error interrupt */
/* transfer direction */
#define DMA_PERIPHERAL_TO_MEMORY ((uint8_t)0x0000U) /*!< read from peripheral and write to memory */
#define DMA_MEMORY_TO_PERIPHERAL ((uint8_t)0x0001U) /*!< read from memory and write to peripheral */
/* peripheral increasing mode */
#define DMA_PERIPH_INCREASE_DISABLE ((uint8_t)0x0000U) /*!< next address of peripheral is fixed address mode */
#define DMA_PERIPH_INCREASE_ENABLE ((uint8_t)0x0001U) /*!< next address of peripheral is increasing address mode */
/* memory increasing mode */
#define DMA_MEMORY_INCREASE_DISABLE ((uint8_t)0x0000U) /*!< next address of memory is fixed address mode */
#define DMA_MEMORY_INCREASE_ENABLE ((uint8_t)0x0001U) /*!< next address of memory is increasing address mode */
/* transfer data size of peripheral */
#define CHCTL_PWIDTH(regval) (BITS(8,9) & ((uint32_t)(regval) << 8)) /*!< transfer data size of peripheral */
#define DMA_PERIPHERAL_WIDTH_8BIT CHCTL_PWIDTH(0) /*!< transfer data size of peripheral is 8-bit */
#define DMA_PERIPHERAL_WIDTH_16BIT CHCTL_PWIDTH(1) /*!< transfer data size of peripheral is 16-bit */
#define DMA_PERIPHERAL_WIDTH_32BIT CHCTL_PWIDTH(2) /*!< transfer data size of peripheral is 32-bit */
/* transfer data size of memory */
#define CHCTL_MWIDTH(regval) (BITS(10,11) & ((uint32_t)(regval) << 10)) /*!< transfer data size of memory */
#define DMA_MEMORY_WIDTH_8BIT CHCTL_MWIDTH(0) /*!< transfer data size of memory is 8-bit */
#define DMA_MEMORY_WIDTH_16BIT CHCTL_MWIDTH(1) /*!< transfer data size of memory is 16-bit */
#define DMA_MEMORY_WIDTH_32BIT CHCTL_MWIDTH(2) /*!< transfer data size of memory is 32-bit */
/* channel priority level */
#define CHCTL_PRIO(regval) (BITS(12,13) & ((uint32_t)(regval) << 12)) /*!< DMA channel priority level */
#define DMA_PRIORITY_LOW CHCTL_PRIO(0) /*!< low priority */
#define DMA_PRIORITY_MEDIUM CHCTL_PRIO(1) /*!< medium priority */
#define DMA_PRIORITY_HIGH CHCTL_PRIO(2) /*!< high priority */
#define DMA_PRIORITY_ULTRA_HIGH CHCTL_PRIO(3) /*!< ultra high priority */
/* DMA_CHxCNT register */
/* transfer counter */
#define DMA_CHANNEL_CNT_MASK DMA_CHXCNT_CNT /*!< transfer counter mask */
/* function declarations */
/* DMA deinitialization and initialization functions */
/* deinitialize DMA a channel registers */
void dma_deinit(uint32_t dma_periph, dma_channel_enum channelx);
/* initialize the parameters of DMA struct with the default values */
void dma_struct_para_init(dma_parameter_struct *init_struct);
/* initialize DMA channel */
#ifdef GD_MBED_USED
void dma_para_init(uint32_t dma_periph, dma_channel_enum channelx, dma_parameter_struct *init_struct);
#else
void dma_init(uint32_t dma_periph, dma_channel_enum channelx, dma_parameter_struct *init_struct);
#endif
/* enable DMA circulation mode */
void dma_circulation_enable(uint32_t dma_periph, dma_channel_enum channelx);
/* disable DMA circulation mode */
void dma_circulation_disable(uint32_t dma_periph, dma_channel_enum channelx);
/* enable memory to memory mode */
void dma_memory_to_memory_enable(uint32_t dma_periph, dma_channel_enum channelx);
/* disable memory to memory mode */
void dma_memory_to_memory_disable(uint32_t dma_periph, dma_channel_enum channelx);
/* enable DMA channel */
void dma_channel_enable(uint32_t dma_periph, dma_channel_enum channelx);
/* disable DMA channel */
void dma_channel_disable(uint32_t dma_periph, dma_channel_enum channelx);
/* DMA configuration functions */
/* set DMA peripheral base address */
void dma_periph_address_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t address);
/* set DMA memory base address */
void dma_memory_address_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t address);
/* set the number of remaining data to be transferred by the DMA */
void dma_transfer_number_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t number);
/* get the number of remaining data to be transferred by the DMA */
uint32_t dma_transfer_number_get(uint32_t dma_periph, dma_channel_enum channelx);
/* configure priority level of DMA channel */
void dma_priority_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t priority);
/* configure transfer data size of memory */
void dma_memory_width_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t mwidth);
/* configure transfer data size of peripheral */
void dma_periph_width_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t pwidth);
/* enable next address increasement algorithm of memory */
void dma_memory_increase_enable(uint32_t dma_periph, dma_channel_enum channelx);
/* disable next address increasement algorithm of memory */
void dma_memory_increase_disable(uint32_t dma_periph, dma_channel_enum channelx);
/* enable next address increasement algorithm of peripheral */
void dma_periph_increase_enable(uint32_t dma_periph, dma_channel_enum channelx);
/* disable next address increasement algorithm of peripheral */
void dma_periph_increase_disable(uint32_t dma_periph, dma_channel_enum channelx);
/* configure the direction of data transfer on the channel */
void dma_transfer_direction_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t direction);
/* flag and interrupt functions */
/* check DMA flag is set or not */
FlagStatus dma_flag_get(uint32_t dma_periph, dma_channel_enum channelx, uint32_t flag);
/* clear the flag of a DMA channel */
void dma_flag_clear(uint32_t dma_periph, dma_channel_enum channelx, uint32_t flag);
/* check DMA flag and interrupt enable bit is set or not */
FlagStatus dma_interrupt_flag_get(uint32_t dma_periph, dma_channel_enum channelx, uint32_t flag);
/* clear the interrupt flag of a DMA channel */
void dma_interrupt_flag_clear(uint32_t dma_periph, dma_channel_enum channelx, uint32_t flag);
/* enable DMA interrupt */
void dma_interrupt_enable(uint32_t dma_periph, dma_channel_enum channelx, uint32_t source);
/* disable DMA interrupt */
void dma_interrupt_disable(uint32_t dma_periph, dma_channel_enum channelx, uint32_t source);
#endif /* GD32E10X_DMA_H */

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/*!
\file gd32e10x_exmc.h
\brief definitions for the EXMC
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_EXMC_H
#define GD32E10X_EXMC_H
#include "gd32e10x.h"
/* EXMC definitions */
#define EXMC (EXMC_BASE) /*!< EXMC register base address */
/* registers definitions */
/* NOR/PSRAM */
#define EXMC_SNCTL REG32(EXMC + 0x00U) /*!< EXMC SRAM/NOR flash control register */
#define EXMC_SNTCFG REG32(EXMC + 0x04U) /*!< EXMC SRAM/NOR flash timing configuration register */
#define EXMC_SNWTCFG REG32(EXMC + 0x104U) /*!< EXMC SRAM/NOR flash write timing configuration register */
/* bits definitions */
/* EXMC_SNCTL */
#define EXMC_SNCTL_NRBKEN BIT(0) /*!< NOR region enable */
#define EXMC_SNCTL_NRMUX BIT(1) /*!< NOR region memory address/data multiplexing */
#define EXMC_SNCTL_NRTP BITS(2,3) /*!< NOR region memory type */
#define EXMC_SNCTL_NRW BITS(4,5) /*!< NOR region memory data bus width */
#define EXMC_SNCTL_NREN BIT(6) /*!< NOR flash access enable */
#define EXMC_SNCTL_SBRSTEN BIT(8) /*!< synchronous burst enable */
#define EXMC_SNCTL_NRWTPOL BIT(9) /*!< NWAIT signal polarity */
#define EXMC_SNCTL_WRAPEN BIT(10) /*!< wrapped burst mode enable */
#define EXMC_SNCTL_NRWTCFG BIT(11) /*!< NWAIT signal configuration, only work in synchronous mode */
#define EXMC_SNCTL_WREN BIT(12) /*!< write enable */
#define EXMC_SNCTL_NRWTEN BIT(13) /*!< NWAIT signal enable */
#define EXMC_SNCTL_EXMODEN BIT(14) /*!< extended mode enable */
#define EXMC_SNCTL_ASYNCWAIT BIT(15) /*!< asynchronous wait */
#define EXMC_SNCTL_CPS BITS(16,18) /*!< CRAM page size */
#define EXMC_SNCTL_SYNCWR BIT(19) /*!< synchronous write */
/* EXMC_SNTCFG */
#define EXMC_SNTCFG_ASET BITS(0,3) /*!< address setup time */
#define EXMC_SNTCFG_AHLD BITS(4,7) /*!< address hold time */
#define EXMC_SNTCFG_DSET BITS(8,15) /*!< data setup time */
#define EXMC_SNTCFG_BUSLAT BITS(16,19) /*!< bus latency */
#define EXMC_SNTCFG_CKDIV BITS(20,23) /*!< synchronous clock divide ratio */
#define EXMC_SNTCFG_DLAT BITS(24,27) /*!< data latency for NOR flash */
#define EXMC_SNTCFG_ASYNCMOD BITS(28,29) /*!< asynchronous access mode */
/* EXMC_SNWTCFG */
#define EXMC_SNWTCFG_WASET BITS(0,3) /*!< address setup time */
#define EXMC_SNWTCFG_WAHLD BITS(4,7) /*!< address hold time */
#define EXMC_SNWTCFG_WDSET BITS(8,15) /*!< data setup time */
#define EXMC_SNWTCFG_WBUSLAT BITS(16,19) /*!< bus latency */
#define EXMC_SNWTCFG_WASYNCMOD BITS(28,29) /*!< asynchronous access mode */
/* constants definitions */
/* EXMC NOR/SRAM timing initialize struct */
typedef struct {
uint32_t asyn_access_mode; /*!< asynchronous access mode */
uint32_t syn_data_latency; /*!< configure the data latency */
uint32_t syn_clk_division; /*!< configure the clock divide ratio */
uint32_t bus_latency; /*!< configure the bus latency, the value can be 1 ~ 16, can't be 0 */
uint32_t asyn_data_setuptime; /*!< configure the data setup time, the value can be 2 ~ 256, can't be 0 */
uint32_t asyn_address_holdtime; /*!< configure the address hold time, the value can be 2 ~ 16, can't be 0 */
uint32_t asyn_address_setuptime; /*!< configure the address setup time, the value can be 1 ~ 16, can't be 0 */
} exmc_norsram_timing_parameter_struct;
/* EXMC NOR/SRAM initialize struct */
typedef struct {
uint32_t write_mode; /*!< the write mode, synchronous mode or asynchronous mode */
uint32_t extended_mode; /*!< enable or disable the extended mode */
uint32_t asyn_wait; /*!< enable or disable the asynchronous wait function */
uint32_t nwait_signal; /*!< enable or disable the NWAIT signal while in synchronous bust mode */
uint32_t memory_write; /*!< enable or disable the write operation */
uint32_t nwait_config; /*!< NWAIT signal configuration */
uint32_t wrap_burst_mode; /*!< enable or disable the wrap burst mode */
uint32_t nwait_polarity; /*!< specifies the polarity of NWAIT signal from memory */
uint32_t burst_mode; /*!< enable or disable the burst mode */
uint32_t databus_width; /*!< specifies the databus width of external memory */
uint32_t memory_type; /*!< specifies the type of external memory */
uint32_t address_data_mux; /*!< specifies whether the data bus and address bus are multiplexed */
exmc_norsram_timing_parameter_struct *read_write_timing; /*!< timing parameters for read and write if the extended mode is not used or the timing
parameters for read if the extended mode is used */
exmc_norsram_timing_parameter_struct *write_timing; /*!< timing parameters for write when the extended mode is used */
} exmc_norsram_parameter_struct;
/* CRAM page size */
#define SNCTL_CPS(regval) (BITS(16,18) & ((uint32_t)(regval) << 16))
#define EXMC_CRAM_AUTO_SPLIT SNCTL_CPS(0) /*!< automatic burst split on page boundary crossing */
#define EXMC_CRAM_PAGE_SIZE_128_BYTES SNCTL_CPS(1) /*!< page size is 128 bytes */
#define EXMC_CRAM_PAGE_SIZE_256_BYTES SNCTL_CPS(2) /*!< page size is 256 bytes */
#define EXMC_CRAM_PAGE_SIZE_512_BYTES SNCTL_CPS(3) /*!< page size is 512 bytes */
#define EXMC_CRAM_PAGE_SIZE_1024_BYTES SNCTL_CPS(4) /*!< page size is 1024 bytes */
/* NOR region memory data bus width */
#define SNCTL_NRW(regval) (BITS(4,5) & ((uint32_t)(regval) << 4))
#define EXMC_NOR_DATABUS_WIDTH_8B SNCTL_NRW(0) /*!< NOR data width 8 bits */
#define EXMC_NOR_DATABUS_WIDTH_16B SNCTL_NRW(1) /*!< NOR data width 16 bits */
/* NOR region memory type */
#define SNCTL_NRTP(regval) (BITS(2,3) & ((uint32_t)(regval) << 2))
#define EXMC_MEMORY_TYPE_SRAM SNCTL_NRTP(0) /*!< SRAM,ROM */
#define EXMC_MEMORY_TYPE_PSRAM SNCTL_NRTP(1) /*!< PSRAM,CRAM */
#define EXMC_MEMORY_TYPE_NOR SNCTL_NRTP(2) /*!< NOR flash */
/* asynchronous access mode */
#define SNTCFG_ASYNCMOD(regval) (BITS(28,29) & ((uint32_t)(regval) << 28))
#define EXMC_ACCESS_MODE_A SNTCFG_ASYNCMOD(0) /*!< mode A access */
#define EXMC_ACCESS_MODE_B SNTCFG_ASYNCMOD(1) /*!< mode B access */
#define EXMC_ACCESS_MODE_C SNTCFG_ASYNCMOD(2) /*!< mode C access */
#define EXMC_ACCESS_MODE_D SNTCFG_ASYNCMOD(3) /*!< mode D access */
/* data latency for NOR flash */
#define SNTCFG_DLAT(regval) (BITS(24,27) & ((uint32_t)(regval) << 24))
#define EXMC_DATALAT_2_CLK SNTCFG_DLAT(0) /*!< data latency 2 EXMC_CLK */
#define EXMC_DATALAT_3_CLK SNTCFG_DLAT(1) /*!< data latency 3 EXMC_CLK */
#define EXMC_DATALAT_4_CLK SNTCFG_DLAT(2) /*!< data latency 4 EXMC_CLK */
#define EXMC_DATALAT_5_CLK SNTCFG_DLAT(3) /*!< data latency 5 EXMC_CLK */
#define EXMC_DATALAT_6_CLK SNTCFG_DLAT(4) /*!< data latency 6 EXMC_CLK */
#define EXMC_DATALAT_7_CLK SNTCFG_DLAT(5) /*!< data latency 7 EXMC_CLK */
#define EXMC_DATALAT_8_CLK SNTCFG_DLAT(6) /*!< data latency 8 EXMC_CLK */
#define EXMC_DATALAT_9_CLK SNTCFG_DLAT(7) /*!< data latency 9 EXMC_CLK */
#define EXMC_DATALAT_10_CLK SNTCFG_DLAT(8) /*!< data latency 10 EXMC_CLK */
#define EXMC_DATALAT_11_CLK SNTCFG_DLAT(9) /*!< data latency 11 EXMC_CLK */
#define EXMC_DATALAT_12_CLK SNTCFG_DLAT(10) /*!< data latency 12 EXMC_CLK */
#define EXMC_DATALAT_13_CLK SNTCFG_DLAT(11) /*!< data latency 13 EXMC_CLK */
#define EXMC_DATALAT_14_CLK SNTCFG_DLAT(12) /*!< data latency 14 EXMC_CLK */
#define EXMC_DATALAT_15_CLK SNTCFG_DLAT(13) /*!< data latency 15 EXMC_CLK */
#define EXMC_DATALAT_16_CLK SNTCFG_DLAT(14) /*!< data latency 16 EXMC_CLK */
#define EXMC_DATALAT_17_CLK SNTCFG_DLAT(15) /*!< data latency 17 EXMC_CLK */
/* synchronous clock divide ratio */
#define SNTCFG_CKDIV(regval) (BITS(20,23) & ((uint32_t)(regval) << 20))
#define EXMC_SYN_CLOCK_RATIO_DISABLE SNTCFG_CKDIV(0) /*!< EXMC_CLK disable */
#define EXMC_SYN_CLOCK_RATIO_2_CLK SNTCFG_CKDIV(1) /*!< EXMC_CLK = 2*HCLK */
#define EXMC_SYN_CLOCK_RATIO_3_CLK SNTCFG_CKDIV(2) /*!< EXMC_CLK = 3*HCLK */
#define EXMC_SYN_CLOCK_RATIO_4_CLK SNTCFG_CKDIV(3) /*!< EXMC_CLK = 4*HCLK */
#define EXMC_SYN_CLOCK_RATIO_5_CLK SNTCFG_CKDIV(4) /*!< EXMC_CLK = 5*HCLK */
#define EXMC_SYN_CLOCK_RATIO_6_CLK SNTCFG_CKDIV(5) /*!< EXMC_CLK = 6*HCLK */
#define EXMC_SYN_CLOCK_RATIO_7_CLK SNTCFG_CKDIV(6) /*!< EXMC_CLK = 7*HCLK */
#define EXMC_SYN_CLOCK_RATIO_8_CLK SNTCFG_CKDIV(7) /*!< EXMC_CLK = 8*HCLK */
#define EXMC_SYN_CLOCK_RATIO_9_CLK SNTCFG_CKDIV(8) /*!< EXMC_CLK = 9*HCLK */
#define EXMC_SYN_CLOCK_RATIO_10_CLK SNTCFG_CKDIV(9) /*!< EXMC_CLK = 10*HCLK */
#define EXMC_SYN_CLOCK_RATIO_11_CLK SNTCFG_CKDIV(10) /*!< EXMC_CLK = 11*HCLK */
#define EXMC_SYN_CLOCK_RATIO_12_CLK SNTCFG_CKDIV(11) /*!< EXMC_CLK = 12*HCLK */
#define EXMC_SYN_CLOCK_RATIO_13_CLK SNTCFG_CKDIV(12) /*!< EXMC_CLK = 13*HCLK */
#define EXMC_SYN_CLOCK_RATIO_14_CLK SNTCFG_CKDIV(13) /*!< EXMC_CLK = 14*HCLK */
#define EXMC_SYN_CLOCK_RATIO_15_CLK SNTCFG_CKDIV(14) /*!< EXMC_CLK = 15*HCLK */
#define EXMC_SYN_CLOCK_RATIO_16_CLK SNTCFG_CKDIV(15) /*!< EXMC_CLK = 16*HCLK */
/* EXMC NOR/SRAM write mode */
#define EXMC_ASYN_WRITE ((uint32_t)0x00000000U) /*!< asynchronous write mode */
#define EXMC_SYN_WRITE EXMC_SNCTL_SYNCWR /*!< synchronous write mode */
/* EXMC NWAIT signal configuration */
#define EXMC_NWAIT_CONFIG_BEFORE ((uint32_t)0x00000000U) /*!< NWAIT signal is active one data cycle before wait state */
#define EXMC_NWAIT_CONFIG_DURING EXMC_SNCTL_NRWTCFG /*!< NWAIT signal is active during wait state */
/* EXMC NWAIT signal polarity configuration */
#define EXMC_NWAIT_POLARITY_LOW ((uint32_t)0x00000000U) /*!< low level is active of NWAIT */
#define EXMC_NWAIT_POLARITY_HIGH EXMC_SNCTL_NRWTPOL /*!< high level is active of NWAIT */
/* function declarations */
/* NOR/SRAM initializtion */
/* deinitialize EXMC NOR/SRAM bank */
void exmc_norsram_deinit(void);
/* exmc_norsram_parameter_struct parameter initialize */
void exmc_norsram_struct_para_init(exmc_norsram_parameter_struct *exmc_norsram_init_struct);
/* initialize EXMC NOR/SRAM bank */
void exmc_norsram_init(exmc_norsram_parameter_struct *exmc_norsram_init_struct);
/* NOR/SRAM enable */
/* enable EXMC NOR/SRAM bank */
void exmc_norsram_enable(void);
/* disable EXMC NOR/SRAM bank */
void exmc_norsram_disable(void);
/* NOR/SRAM configuration */
/* configure CRAM page size */
void exmc_norsram_page_size_config(uint32_t page_size);
#endif /* GD32E10X_EXMC_H */

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/*!
\file gd32e10x_exti.h
\brief definitions for the EXTI
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_EXTI_H
#define GD32E10X_EXTI_H
#include "gd32e10x.h"
/* EXTI definitions */
#define EXTI EXTI_BASE
/* registers definitions */
#define EXTI_INTEN REG32(EXTI + 0x00U) /*!< interrupt enable register */
#define EXTI_EVEN REG32(EXTI + 0x04U) /*!< event enable register */
#define EXTI_RTEN REG32(EXTI + 0x08U) /*!< rising edge trigger enable register */
#define EXTI_FTEN REG32(EXTI + 0x0CU) /*!< falling trigger enable register */
#define EXTI_SWIEV REG32(EXTI + 0x10U) /*!< software interrupt event register */
#define EXTI_PD REG32(EXTI + 0x14U) /*!< pending register */
/* bits definitions */
/* EXTI_INTEN */
#define EXTI_INTEN_INTEN0 BIT(0) /*!< interrupt from line 0 */
#define EXTI_INTEN_INTEN1 BIT(1) /*!< interrupt from line 1 */
#define EXTI_INTEN_INTEN2 BIT(2) /*!< interrupt from line 2 */
#define EXTI_INTEN_INTEN3 BIT(3) /*!< interrupt from line 3 */
#define EXTI_INTEN_INTEN4 BIT(4) /*!< interrupt from line 4 */
#define EXTI_INTEN_INTEN5 BIT(5) /*!< interrupt from line 5 */
#define EXTI_INTEN_INTEN6 BIT(6) /*!< interrupt from line 6 */
#define EXTI_INTEN_INTEN7 BIT(7) /*!< interrupt from line 7 */
#define EXTI_INTEN_INTEN8 BIT(8) /*!< interrupt from line 8 */
#define EXTI_INTEN_INTEN9 BIT(9) /*!< interrupt from line 9 */
#define EXTI_INTEN_INTEN10 BIT(10) /*!< interrupt from line 10 */
#define EXTI_INTEN_INTEN11 BIT(11) /*!< interrupt from line 11 */
#define EXTI_INTEN_INTEN12 BIT(12) /*!< interrupt from line 12 */
#define EXTI_INTEN_INTEN13 BIT(13) /*!< interrupt from line 13 */
#define EXTI_INTEN_INTEN14 BIT(14) /*!< interrupt from line 14 */
#define EXTI_INTEN_INTEN15 BIT(15) /*!< interrupt from line 15 */
#define EXTI_INTEN_INTEN16 BIT(16) /*!< interrupt from line 16 */
#define EXTI_INTEN_INTEN17 BIT(17) /*!< interrupt from line 17 */
#define EXTI_INTEN_INTEN18 BIT(18) /*!< interrupt from line 18 */
/* EXTI_EVEN */
#define EXTI_EVEN_EVEN0 BIT(0) /*!< event from line 0 */
#define EXTI_EVEN_EVEN1 BIT(1) /*!< event from line 1 */
#define EXTI_EVEN_EVEN2 BIT(2) /*!< event from line 2 */
#define EXTI_EVEN_EVEN3 BIT(3) /*!< event from line 3 */
#define EXTI_EVEN_EVEN4 BIT(4) /*!< event from line 4 */
#define EXTI_EVEN_EVEN5 BIT(5) /*!< event from line 5 */
#define EXTI_EVEN_EVEN6 BIT(6) /*!< event from line 6 */
#define EXTI_EVEN_EVEN7 BIT(7) /*!< event from line 7 */
#define EXTI_EVEN_EVEN8 BIT(8) /*!< event from line 8 */
#define EXTI_EVEN_EVEN9 BIT(9) /*!< event from line 9 */
#define EXTI_EVEN_EVEN10 BIT(10) /*!< event from line 10 */
#define EXTI_EVEN_EVEN11 BIT(11) /*!< event from line 11 */
#define EXTI_EVEN_EVEN12 BIT(12) /*!< event from line 12 */
#define EXTI_EVEN_EVEN13 BIT(13) /*!< event from line 13 */
#define EXTI_EVEN_EVEN14 BIT(14) /*!< event from line 14 */
#define EXTI_EVEN_EVEN15 BIT(15) /*!< event from line 15 */
#define EXTI_EVEN_EVEN16 BIT(16) /*!< event from line 16 */
#define EXTI_EVEN_EVEN17 BIT(17) /*!< event from line 17 */
#define EXTI_EVEN_EVEN18 BIT(18) /*!< event from line 18 */
/* EXTI_RTEN */
#define EXTI_RTEN_RTEN0 BIT(0) /*!< rising edge from line 0 */
#define EXTI_RTEN_RTEN1 BIT(1) /*!< rising edge from line 1 */
#define EXTI_RTEN_RTEN2 BIT(2) /*!< rising edge from line 2 */
#define EXTI_RTEN_RTEN3 BIT(3) /*!< rising edge from line 3 */
#define EXTI_RTEN_RTEN4 BIT(4) /*!< rising edge from line 4 */
#define EXTI_RTEN_RTEN5 BIT(5) /*!< rising edge from line 5 */
#define EXTI_RTEN_RTEN6 BIT(6) /*!< rising edge from line 6 */
#define EXTI_RTEN_RTEN7 BIT(7) /*!< rising edge from line 7 */
#define EXTI_RTEN_RTEN8 BIT(8) /*!< rising edge from line 8 */
#define EXTI_RTEN_RTEN9 BIT(9) /*!< rising edge from line 9 */
#define EXTI_RTEN_RTEN10 BIT(10) /*!< rising edge from line 10 */
#define EXTI_RTEN_RTEN11 BIT(11) /*!< rising edge from line 11 */
#define EXTI_RTEN_RTEN12 BIT(12) /*!< rising edge from line 12 */
#define EXTI_RTEN_RTEN13 BIT(13) /*!< rising edge from line 13 */
#define EXTI_RTEN_RTEN14 BIT(14) /*!< rising edge from line 14 */
#define EXTI_RTEN_RTEN15 BIT(15) /*!< rising edge from line 15 */
#define EXTI_RTEN_RTEN16 BIT(16) /*!< rising edge from line 16 */
#define EXTI_RTEN_RTEN17 BIT(17) /*!< rising edge from line 17 */
#define EXTI_RTEN_RTEN18 BIT(18) /*!< rising edge from line 18 */
/* EXTI_FTEN */
#define EXTI_FTEN_FTEN0 BIT(0) /*!< falling edge from line 0 */
#define EXTI_FTEN_FTEN1 BIT(1) /*!< falling edge from line 1 */
#define EXTI_FTEN_FTEN2 BIT(2) /*!< falling edge from line 2 */
#define EXTI_FTEN_FTEN3 BIT(3) /*!< falling edge from line 3 */
#define EXTI_FTEN_FTEN4 BIT(4) /*!< falling edge from line 4 */
#define EXTI_FTEN_FTEN5 BIT(5) /*!< falling edge from line 5 */
#define EXTI_FTEN_FTEN6 BIT(6) /*!< falling edge from line 6 */
#define EXTI_FTEN_FTEN7 BIT(7) /*!< falling edge from line 7 */
#define EXTI_FTEN_FTEN8 BIT(8) /*!< falling edge from line 8 */
#define EXTI_FTEN_FTEN9 BIT(9) /*!< falling edge from line 9 */
#define EXTI_FTEN_FTEN10 BIT(10) /*!< falling edge from line 10 */
#define EXTI_FTEN_FTEN11 BIT(11) /*!< falling edge from line 11 */
#define EXTI_FTEN_FTEN12 BIT(12) /*!< falling edge from line 12 */
#define EXTI_FTEN_FTEN13 BIT(13) /*!< falling edge from line 13 */
#define EXTI_FTEN_FTEN14 BIT(14) /*!< falling edge from line 14 */
#define EXTI_FTEN_FTEN15 BIT(15) /*!< falling edge from line 15 */
#define EXTI_FTEN_FTEN16 BIT(16) /*!< falling edge from line 16 */
#define EXTI_FTEN_FTEN17 BIT(17) /*!< falling edge from line 17 */
#define EXTI_FTEN_FTEN18 BIT(18) /*!< falling edge from line 18 */
/* EXTI_SWIEV */
#define EXTI_SWIEV_SWIEV0 BIT(0) /*!< software interrupt/event request from line 0 */
#define EXTI_SWIEV_SWIEV1 BIT(1) /*!< software interrupt/event request from line 1 */
#define EXTI_SWIEV_SWIEV2 BIT(2) /*!< software interrupt/event request from line 2 */
#define EXTI_SWIEV_SWIEV3 BIT(3) /*!< software interrupt/event request from line 3 */
#define EXTI_SWIEV_SWIEV4 BIT(4) /*!< software interrupt/event request from line 4 */
#define EXTI_SWIEV_SWIEV5 BIT(5) /*!< software interrupt/event request from line 5 */
#define EXTI_SWIEV_SWIEV6 BIT(6) /*!< software interrupt/event request from line 6 */
#define EXTI_SWIEV_SWIEV7 BIT(7) /*!< software interrupt/event request from line 7 */
#define EXTI_SWIEV_SWIEV8 BIT(8) /*!< software interrupt/event request from line 8 */
#define EXTI_SWIEV_SWIEV9 BIT(9) /*!< software interrupt/event request from line 9 */
#define EXTI_SWIEV_SWIEV10 BIT(10) /*!< software interrupt/event request from line 10 */
#define EXTI_SWIEV_SWIEV11 BIT(11) /*!< software interrupt/event request from line 11 */
#define EXTI_SWIEV_SWIEV12 BIT(12) /*!< software interrupt/event request from line 12 */
#define EXTI_SWIEV_SWIEV13 BIT(13) /*!< software interrupt/event request from line 13 */
#define EXTI_SWIEV_SWIEV14 BIT(14) /*!< software interrupt/event request from line 14 */
#define EXTI_SWIEV_SWIEV15 BIT(15) /*!< software interrupt/event request from line 15 */
#define EXTI_SWIEV_SWIEV16 BIT(16) /*!< software interrupt/event request from line 16 */
#define EXTI_SWIEV_SWIEV17 BIT(17) /*!< software interrupt/event request from line 17 */
#define EXTI_SWIEV_SWIEV18 BIT(18) /*!< software interrupt/event request from line 18 */
/* EXTI_PD */
#define EXTI_PD_PD0 BIT(0) /*!< interrupt/event pending status from line 0 */
#define EXTI_PD_PD1 BIT(1) /*!< interrupt/event pending status from line 1 */
#define EXTI_PD_PD2 BIT(2) /*!< interrupt/event pending status from line 2 */
#define EXTI_PD_PD3 BIT(3) /*!< interrupt/event pending status from line 3 */
#define EXTI_PD_PD4 BIT(4) /*!< interrupt/event pending status from line 4 */
#define EXTI_PD_PD5 BIT(5) /*!< interrupt/event pending status from line 5 */
#define EXTI_PD_PD6 BIT(6) /*!< interrupt/event pending status from line 6 */
#define EXTI_PD_PD7 BIT(7) /*!< interrupt/event pending status from line 7 */
#define EXTI_PD_PD8 BIT(8) /*!< interrupt/event pending status from line 8 */
#define EXTI_PD_PD9 BIT(9) /*!< interrupt/event pending status from line 9 */
#define EXTI_PD_PD10 BIT(10) /*!< interrupt/event pending status from line 10 */
#define EXTI_PD_PD11 BIT(11) /*!< interrupt/event pending status from line 11 */
#define EXTI_PD_PD12 BIT(12) /*!< interrupt/event pending status from line 12 */
#define EXTI_PD_PD13 BIT(13) /*!< interrupt/event pending status from line 13 */
#define EXTI_PD_PD14 BIT(14) /*!< interrupt/event pending status from line 14 */
#define EXTI_PD_PD15 BIT(15) /*!< interrupt/event pending status from line 15 */
#define EXTI_PD_PD16 BIT(16) /*!< interrupt/event pending status from line 16 */
#define EXTI_PD_PD17 BIT(17) /*!< interrupt/event pending status from line 17 */
#define EXTI_PD_PD18 BIT(18) /*!< interrupt/event pending status from line 18 */
/* constants definitions */
/* EXTI line number */
typedef enum {
EXTI_0 = BIT(0), /*!< EXTI line 0 */
EXTI_1 = BIT(1), /*!< EXTI line 1 */
EXTI_2 = BIT(2), /*!< EXTI line 2 */
EXTI_3 = BIT(3), /*!< EXTI line 3 */
EXTI_4 = BIT(4), /*!< EXTI line 4 */
EXTI_5 = BIT(5), /*!< EXTI line 5 */
EXTI_6 = BIT(6), /*!< EXTI line 6 */
EXTI_7 = BIT(7), /*!< EXTI line 7 */
EXTI_8 = BIT(8), /*!< EXTI line 8 */
EXTI_9 = BIT(9), /*!< EXTI line 9 */
EXTI_10 = BIT(10), /*!< EXTI line 10 */
EXTI_11 = BIT(11), /*!< EXTI line 11 */
EXTI_12 = BIT(12), /*!< EXTI line 12 */
EXTI_13 = BIT(13), /*!< EXTI line 13 */
EXTI_14 = BIT(14), /*!< EXTI line 14 */
EXTI_15 = BIT(15), /*!< EXTI line 15 */
EXTI_16 = BIT(16), /*!< EXTI line 16 */
EXTI_17 = BIT(17), /*!< EXTI line 17 */
EXTI_18 = BIT(18), /*!< EXTI line 18 */
} exti_line_enum;
/* external interrupt and event */
typedef enum {
EXTI_INTERRUPT = 0, /*!< EXTI interrupt mode */
EXTI_EVENT /*!< EXTI event mode */
} exti_mode_enum;
/* interrupt trigger mode */
typedef enum {
EXTI_TRIG_RISING = 0, /*!< EXTI rising edge trigger */
EXTI_TRIG_FALLING, /*!< EXTI falling edge trigger */
EXTI_TRIG_BOTH /*!< EXTI rising and falling edge trigger */
} exti_trig_type_enum;
/* function declarations */
/* deinitialize the EXTI */
void exti_deinit(void);
/* enable the configuration of EXTI initialize */
void exti_init(exti_line_enum linex, exti_mode_enum mode, exti_trig_type_enum trig_type);
/* enable the interrupts from EXTI line x */
void exti_interrupt_enable(exti_line_enum linex);
/* enable the events from EXTI line x */
void exti_event_enable(exti_line_enum linex);
/* disable the interrupts from EXTI line x */
void exti_interrupt_disable(exti_line_enum linex);
/* disable the events from EXTI line x */
void exti_event_disable(exti_line_enum linex);
/* get EXTI lines pending flag */
FlagStatus exti_flag_get(exti_line_enum linex);
/* clear EXTI lines pending flag */
void exti_flag_clear(exti_line_enum linex);
/* get EXTI lines interrupt pending flag */
FlagStatus exti_interrupt_flag_get(exti_line_enum linex);
/* clear EXTI lines interrupt pending flag */
void exti_interrupt_flag_clear(exti_line_enum linex);
/* enable the EXTI software interrupt */
void exti_software_interrupt_enable(exti_line_enum linex);
/* disable the EXTI software interrupt */
void exti_software_interrupt_disable(exti_line_enum linex);
#endif /* GD32E10X_EXTI_H */

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/*!
\file gd32e10x_fmc.h
\brief definitions for the FMC
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_FMC_H
#define GD32E10X_FMC_H
#include "gd32e10x.h"
/* FMC and option bytes definition */
#define FMC FMC_BASE /*!< FMC register base address */
#define OB OB_BASE /*!< option bytes base address */
/* registers definitions */
#define FMC_WS REG32((FMC) + 0x00U) /*!< FMC wait state register */
#define FMC_KEY REG32((FMC) + 0x04U) /*!< FMC unlock key register */
#define FMC_OBKEY REG32((FMC) + 0x08U) /*!< FMC option bytes unlock key register */
#define FMC_STAT REG32((FMC) + 0x0CU) /*!< FMC status register */
#define FMC_CTL REG32((FMC) + 0x10U) /*!< FMC control register */
#define FMC_ADDR REG32((FMC) + 0x14U) /*!< FMC address register */
#define FMC_OBSTAT REG32((FMC) + 0x1CU) /*!< FMC option bytes status register */
#define FMC_WP REG32((FMC) + 0x20U) /*!< FMC erase/program protection register */
#define FMC_PID REG32((FMC) + 0x100U) /*!< FMC product ID register */
#define OB_SPC REG32((OB) + 0x00U) /*!< option bytes security protection register */
#define OB_USER REG32((OB) + 0x02U) /*!< option bytes user register */
#define OB_DATA0 REG16((OB) + 0x04U) /*!< option bytes data register 0 */
#define OB_DATA1 REG16((OB) + 0x06U) /*!< option bytes data register 1 */
#define OB_WP0 REG32((OB) + 0x08U) /*!< option bytes write protection register 0 */
#define OB_WP1 REG32((OB) + 0x0AU) /*!< option bytes write protection register 1 */
#define OB_WP2 REG32((OB) + 0x0CU) /*!< option bytes write protection register 2 */
#define OB_WP3 REG32((OB) + 0x0EU) /*!< option bytes write protection register 3 */
/* bits definitions */
/* FMC_WS */
#define FMC_WS_WSCNT BITS(0,2) /*!< wait state counter */
#define FMC_WS_PFEN BIT(4) /*!< pre-fetch enable */
#define FMC_WS_ICEN BIT(9) /*!< IBUS cache enable */
#define FMC_WS_DCEN BIT(10) /*!< DBUS cache enable */
#define FMC_WS_ICRST BIT(11) /*!< IBUS cache reset */
#define FMC_WS_DCRST BIT(12) /*!< DBUS cache reset */
#define FMC_WS_PGW BIT(15) /*!< program width to flash memory */
/* FMC_KEY */
#define FMC_KEY_KEY BITS(0,31) /*!< FMC_CTL unlock key bits */
/* FMC_OBKEY */
#define FMC_OBKEY_OBKEY BITS(0,31) /*!< option bytes unlock key bits */
/* FMC_STAT */
#define FMC_STAT_BUSY BIT(0) /*!< flash busy flag bit */
#define FMC_STAT_PGERR BIT(2) /*!< flash program error flag bit */
#define FMC_STAT_PGAERR BIT(3) /*!< flash program alignment error flag bit */
#define FMC_STAT_WPERR BIT(4) /*!< erase/program protection error flag bit */
#define FMC_STAT_ENDF BIT(5) /*!< end of operation flag bit */
/* FMC_CTL */
#define FMC_CTL_PG BIT(0) /*!< main flash program command bit */
#define FMC_CTL_PER BIT(1) /*!< main flash page erase command bit */
#define FMC_CTL_MER BIT(2) /*!< main flash mass erase command bit */
#define FMC_CTL_OBPG BIT(4) /*!< option bytes program command bit */
#define FMC_CTL_OBER BIT(5) /*!< option bytes erase command bit */
#define FMC_CTL_START BIT(6) /*!< send erase command to FMC bit */
#define FMC_CTL_LK BIT(7) /*!< FMC_CTL lock bit */
#define FMC_CTL_OBWEN BIT(9) /*!< option bytes erase/program enable bit */
#define FMC_CTL_ERRIE BIT(10) /*!< error interrupt enable bit */
#define FMC_CTL_ENDIE BIT(12) /*!< end of operation interrupt enable bit */
/* FMC_ADDR */
#define FMC_ADDR_ADDR BITS(0,31) /*!< flash erase/program command address bits */
/* FMC_OBSTAT */
#define FMC_OBSTAT_OBERR BIT(0) /*!< option bytes read error bit. */
#define FMC_OBSTAT_SPC BIT(1) /*!< option bytes security protection code */
#define FMC_OBSTAT_USER BITS(2,9) /*!< store USER of option bytes block after system reset */
#define FMC_OBSTAT_DATA BITS(10,25) /*!< store DATA of option bytes block after system reset. */
/* FMC_WP */
#define FMC_WP_WP BITS(0,31) /*!< store WP of option bytes block after system reset */
/* FMC_PID */
#define FMC_PID_PID BITS(0,31) /*!< product ID bits */
/* constants definitions */
/* define the FMC bit position and its register index offset */
#define FMC_REGIDX_BIT(regidx, bitpos) (((uint32_t)(regidx) << 6) | (uint32_t)(bitpos))
#define FMC_REG_VAL(offset) (REG32(FMC + ((uint32_t)(offset) >> 6)))
#define FMC_BIT_POS(val) ((uint32_t)(val) & 0x1FU)
#define FMC_REGIDX_BITS(regidx, bitpos0, bitpos1) (((uint32_t)(regidx) << 12) | ((uint32_t)(bitpos0) << 6) | (uint32_t)(bitpos1))
#define FMC_REG_VALS(offset) (REG32(FMC + ((uint32_t)(offset) >> 12)))
#define FMC_BIT_POS0(val) (((uint32_t)(val) >> 6) & 0x1FU)
#define FMC_BIT_POS1(val) ((uint32_t)(val) & 0x1FU)
#define FMC_REG_OFFSET_GET(flag) ((uint32_t)(flag) >> 12)
/* configuration register */
#define FMC_STAT_REG_OFFSET 0x0CU /*!< status register offset */
#define FMC_CTL_REG_OFFSET 0x10U /*!< control register offset */
#define FMC_OBSTAT_REG_OFFSET 0x1CU /*!< option bytes status register offset */
/* fmc state */
typedef enum {
FMC_READY, /*!< the operation has been completed */
FMC_BUSY, /*!< the operation is in progress */
FMC_PGERR, /*!< program error */
FMC_PGAERR, /*!< program alignment error */
FMC_WPERR, /*!< erase/program protection error */
FMC_TOERR, /*!< timeout error */
} fmc_state_enum;
/* FMC interrupt enable */
typedef enum {
FMC_INT_ERR = FMC_REGIDX_BIT(FMC_CTL_REG_OFFSET, 10U), /*!< enable FMC error interrupt */
FMC_INT_END = FMC_REGIDX_BIT(FMC_CTL_REG_OFFSET, 12U), /*!< enable FMC end of program interrupt */
} fmc_int_enum;
/* FMC flags */
typedef enum {
FMC_FLAG_BUSY = FMC_REGIDX_BIT(FMC_STAT_REG_OFFSET, 0U), /*!< FMC busy flag */
FMC_FLAG_PGERR = FMC_REGIDX_BIT(FMC_STAT_REG_OFFSET, 2U), /*!< FMC operation error flag bit */
FMC_FLAG_PGAERR = FMC_REGIDX_BIT(FMC_STAT_REG_OFFSET, 3U), /*!< FMC program alignment error flag */
FMC_FLAG_WPERR = FMC_REGIDX_BIT(FMC_STAT_REG_OFFSET, 4U), /*!< FMC erase/program protection error flag bit */
FMC_FLAG_END = FMC_REGIDX_BIT(FMC_STAT_REG_OFFSET, 5U), /*!< FMC end of operation flag bit */
FMC_FLAG_OBERR = FMC_REGIDX_BIT(FMC_OBSTAT_REG_OFFSET, 0U), /*!< FMC option bytes read error flag */
} fmc_flag_enum;
/* FMC interrupt flags */
typedef enum {
FMC_INT_FLAG_PGERR = FMC_REGIDX_BITS(FMC_STAT_REG_OFFSET, 2U, 10U), /*!< FMC operation error interrupt flag bit */
FMC_INT_FLAG_PGAERR = FMC_REGIDX_BITS(FMC_STAT_REG_OFFSET, 3U, 10U), /*!< FMC program alignment error interrupt flag bit */
FMC_INT_FLAG_WPERR = FMC_REGIDX_BITS(FMC_STAT_REG_OFFSET, 4U, 10U), /*!< FMC erase/program protection error interrupt flag bit */
FMC_INT_FLAG_END = FMC_REGIDX_BITS(FMC_STAT_REG_OFFSET, 5U, 12U), /*!< FMC end of operation interrupt flag bit */
} fmc_interrupt_flag_enum;
/* unlock key */
#define UNLOCK_KEY0 ((uint32_t)0x45670123U) /*!< unlock key 0 */
#define UNLOCK_KEY1 ((uint32_t)0xCDEF89ABU) /*!< unlock key 1 */
/* FMC wait state counter */
#define WS_WSCNT(regval) (BITS(0,2) & ((uint32_t)(regval)))
#define FMC_WAIT_STATE_0 WS_WSCNT(0) /*!< FMC 0 wait */
#define FMC_WAIT_STATE_1 WS_WSCNT(1) /*!< FMC 1 wait */
#define FMC_WAIT_STATE_2 WS_WSCNT(2) /*!< FMC 2 wait */
#define FMC_WAIT_STATE_3 WS_WSCNT(3) /*!< FMC 3 wait */
/* adc_ctl1 register value */
#define FMC_PROG_W_64B ((uint32_t)0x00000000U) /*!< LSB alignment */
#define FMC_PROG_W_32B FMC_WS_PGW /*!< MSB alignment */
#define OB_USER_MASK ((uint8_t)0xF8U) /*!< MASK value */
/* read protect configure */
#define FMC_NSPC ((uint8_t)0xA5U) /*!< no security protection */
#define FMC_USPC ((uint8_t)0xBBU) /*!< under security protection */
/* OB_SPC */
#define OB_SPC_SPC ((uint32_t)0x000000FFU) /*!< option byte security protection value */
#define OB_SPC_SPC_N ((uint32_t)0x0000FF00U) /*!< option byte security protection complement value */
/* option bytes software/hardware free watch dog timer */
#define OB_FWDGT_SOFTWARE ((uint8_t)0x01U) /*!< software free watchdog */
#define OB_FWDGT_HARDWARE ((uint8_t)0x00U) /*!< hardware free watchdog */
/* option bytes reset or not entering deep sleep mode */
#define OB_DEEPSLEEP_NO_RST ((uint8_t)0x02U) /*!< no reset when entering deepsleep mode */
#define OB_DEEPSLEEP_RST ((uint8_t)0x00U) /*!< generate a reset instead of entering deepsleep mode */
/* option bytes reset or not entering standby mode */
#define OB_STDBY_NO_RST ((uint8_t)0x04U) /*!< no reset when entering deepsleep mode */
#define OB_STDBY_RST ((uint8_t)0x00U) /*!< generate a reset instead of entering standby mode */
/* OB_USER */
#define OB_USER_USER ((uint32_t)0x00FF0000U) /*!< user option value */
#define OB_USER_USER_N ((uint32_t)0xFF000000U) /*!< user option complement value */
/* option byte data address */
#define OB_DATA_ADDR0 ((uint32_t)0x1FFFF804U) /*!< option byte data address 0 */
#define OB_DATA_ADDR1 ((uint32_t)0x1FFFF806U) /*!< option byte data address 1 */
/* OB_WP0 */
#define OB_WP0_WP0 ((uint32_t)0x000000FFU) /*!< FMC write protection option value */
/* OB_WP1 */
#define OB_WP1_WP1 ((uint32_t)0x0000FF00U) /*!< FMC write protection option complement value */
/* OB_WP2 */
#define OB_WP2_WP2 ((uint32_t)0x00FF0000U) /*!< FMC write protection option value */
/* OB_WP3 */
#define OB_WP3_WP3 ((uint32_t)0xFF000000U) /*!< FMC write protection option complement value */
/* option bytes write protection */
#define OB_WP_0 ((uint32_t)0x00000001U) /*!< erase/program protection of sector 0 */
#define OB_WP_1 ((uint32_t)0x00000002U) /*!< erase/program protection of sector 1 */
#define OB_WP_2 ((uint32_t)0x00000004U) /*!< erase/program protection of sector 2 */
#define OB_WP_3 ((uint32_t)0x00000008U) /*!< erase/program protection of sector 3 */
#define OB_WP_4 ((uint32_t)0x00000010U) /*!< erase/program protection of sector 4 */
#define OB_WP_5 ((uint32_t)0x00000020U) /*!< erase/program protection of sector 5 */
#define OB_WP_6 ((uint32_t)0x00000040U) /*!< erase/program protection of sector 6 */
#define OB_WP_7 ((uint32_t)0x00000080U) /*!< erase/program protection of sector 7 */
#define OB_WP_8 ((uint32_t)0x00000100U) /*!< erase/program protection of sector 8 */
#define OB_WP_9 ((uint32_t)0x00000200U) /*!< erase/program protection of sector 9 */
#define OB_WP_10 ((uint32_t)0x00000400U) /*!< erase/program protection of sector 10 */
#define OB_WP_11 ((uint32_t)0x00000800U) /*!< erase/program protection of sector 11 */
#define OB_WP_12 ((uint32_t)0x00001000U) /*!< erase/program protection of sector 12 */
#define OB_WP_13 ((uint32_t)0x00002000U) /*!< erase/program protection of sector 13 */
#define OB_WP_14 ((uint32_t)0x00004000U) /*!< erase/program protection of sector 14 */
#define OB_WP_15 ((uint32_t)0x00008000U) /*!< erase/program protection of sector 15 */
#define OB_WP_16 ((uint32_t)0x00010000U) /*!< erase/program protection of sector 16 */
#define OB_WP_17 ((uint32_t)0x00020000U) /*!< erase/program protection of sector 17 */
#define OB_WP_18 ((uint32_t)0x00040000U) /*!< erase/program protection of sector 18 */
#define OB_WP_19 ((uint32_t)0x00080000U) /*!< erase/program protection of sector 19 */
#define OB_WP_20 ((uint32_t)0x00100000U) /*!< erase/program protection of sector 20 */
#define OB_WP_21 ((uint32_t)0x00200000U) /*!< erase/program protection of sector 21 */
#define OB_WP_22 ((uint32_t)0x00400000U) /*!< erase/program protection of sector 22 */
#define OB_WP_23 ((uint32_t)0x00800000U) /*!< erase/program protection of sector 23 */
#define OB_WP_24 ((uint32_t)0x01000000U) /*!< erase/program protection of sector 24 */
#define OB_WP_25 ((uint32_t)0x02000000U) /*!< erase/program protection of sector 25 */
#define OB_WP_26 ((uint32_t)0x04000000U) /*!< erase/program protection of sector 26 */
#define OB_WP_27 ((uint32_t)0x08000000U) /*!< erase/program protection of sector 27 */
#define OB_WP_28 ((uint32_t)0x10000000U) /*!< erase/program protection of sector 28 */
#define OB_WP_29 ((uint32_t)0x20000000U) /*!< erase/program protection of sector 29 */
#define OB_WP_30 ((uint32_t)0x40000000U) /*!< erase/program protection of sector 30 */
#define OB_WP_31 ((uint32_t)0x80000000U) /*!< erase/program protection of sector 31 */
#define OB_WP_ALL ((uint32_t)0xFFFFFFFFU) /*!< erase/program protection of all sectors */
/* FMC timeout */
#define FMC_TIMEOUT_COUNT ((uint32_t)0x000F0000U) /*!< FMC timeout count value */
/* function declarations */
/* FMC main memory programming functions */
/* set the FMC wait state counter */
void fmc_wscnt_set(uint32_t wscnt);
/* enable pre-fetch */
void fmc_prefetch_enable(void);
/* disable pre-fetch */
void fmc_prefetch_disable(void);
/* enable IBUS cache */
void fmc_ibus_enable(void);
/* disable IBUS cache */
void fmc_ibus_disable(void);
/* enable DBUS cache */
void fmc_dbus_enable(void);
/* disable DBUS cache */
void fmc_dbus_disable(void);
/* reset IBUS cache */
void fmc_ibus_reset(void);
/* reset DBUS cache */
void fmc_dbus_reset(void);
/* set program width to flash memory */
void fmc_program_width_set(uint32_t pgw);
/* unlock the main FMC operation */
void fmc_unlock(void);
/* lock the main FMC operation */
void fmc_lock(void);
/* FMC erase page */
fmc_state_enum fmc_page_erase(uint32_t page_address);
/* FMC erase whole chip */
fmc_state_enum fmc_mass_erase(void);
/* FMC program a double word at the corresponding address */
fmc_state_enum fmc_doubleword_program(uint32_t address, uint64_t data);
/* FMC program a word at the corresponding address */
fmc_state_enum fmc_word_program(uint32_t address, uint32_t data);
/* FMC program a half word at the corresponding address */
fmc_state_enum fmc_halfword_program(uint32_t address, uint16_t data);
/* FMC option bytes programming functions */
/* unlock the option bytes operation */
void ob_unlock(void);
/* lock the option bytes operation */
void ob_lock(void);
/* erase the option bytes */
fmc_state_enum ob_erase(void);
/* enable write protect */
fmc_state_enum ob_write_protection_enable(uint32_t ob_wp);
/* configure the option bytes security protection */
fmc_state_enum ob_security_protection_config(uint8_t ob_spc);
/* write the FMC option bytes */
fmc_state_enum ob_user_write(uint8_t ob_fwdgt, uint8_t ob_deepsleep, uint8_t ob_stdby);
/* program option bytes data */
fmc_state_enum ob_data_program(uint32_t address, uint8_t data);
/* get the FMC option bytes user */
uint8_t ob_user_get(void);
/* get OB_DATA in register FMC_OBSTAT */
uint16_t ob_data_get(void);
/* get the FMC option bytes write protection */
uint32_t ob_write_protection_get(void);
/* get option bytes security protection state */
FlagStatus ob_security_protection_flag_get(void);
/* FMC interrupts and flags management functions */
/* enable FMC interrupt */
void fmc_interrupt_enable(uint32_t interrupt);
/* disable FMC interrupt */
void fmc_interrupt_disable(uint32_t interrupt);
/* check flag is set or not */
FlagStatus fmc_flag_get(uint32_t flag);
/* clear the FMC flag */
void fmc_flag_clear(uint32_t flag);
/* get FMC interrupt flag state */
FlagStatus fmc_interrupt_flag_get(fmc_interrupt_flag_enum flag);
/* clear FMC interrupt flag state */
void fmc_interrupt_flag_clear(fmc_interrupt_flag_enum flag);
#endif /* GD32E10X_FMC_H */

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/*!
\file gd32e10x_fwdgt.h
\brief definitions for the FWDGT
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_FWDGT_H
#define GD32E10X_FWDGT_H
#include "gd32e10x.h"
/* FWDGT definitions */
#define FWDGT FWDGT_BASE
/* registers definitions */
#define FWDGT_CTL REG32((FWDGT) + 0x00U) /*!< FWDGT control register */
#define FWDGT_PSC REG32((FWDGT) + 0x04U) /*!< FWDGT prescaler register */
#define FWDGT_RLD REG32((FWDGT) + 0x08U) /*!< FWDGT reload register */
#define FWDGT_STAT REG32((FWDGT) + 0x0CU) /*!< FWDGT status register */
/* bits definitions */
/* FWDGT_CTL */
#define FWDGT_CTL_CMD BITS(0,15) /*!< FWDGT command value */
/* FWDGT_PSC */
#define FWDGT_PSC_PSC BITS(0,2) /*!< FWDGT prescaler divider value */
/* FWDGT_RLD */
#define FWDGT_RLD_RLD BITS(0,11) /*!< FWDGT counter reload value */
/* FWDGT_STAT */
#define FWDGT_STAT_PUD BIT(0) /*!< FWDGT prescaler divider value update */
#define FWDGT_STAT_RUD BIT(1) /*!< FWDGT counter reload value update */
/* constants definitions */
/* psc register value */
#define PSC_PSC(regval) (BITS(0,2) & ((uint32_t)(regval) << 0))
#define FWDGT_PSC_DIV4 ((uint8_t)PSC_PSC(0)) /*!< FWDGT prescaler set to 4 */
#define FWDGT_PSC_DIV8 ((uint8_t)PSC_PSC(1)) /*!< FWDGT prescaler set to 8 */
#define FWDGT_PSC_DIV16 ((uint8_t)PSC_PSC(2)) /*!< FWDGT prescaler set to 16 */
#define FWDGT_PSC_DIV32 ((uint8_t)PSC_PSC(3)) /*!< FWDGT prescaler set to 32 */
#define FWDGT_PSC_DIV64 ((uint8_t)PSC_PSC(4)) /*!< FWDGT prescaler set to 64 */
#define FWDGT_PSC_DIV128 ((uint8_t)PSC_PSC(5)) /*!< FWDGT prescaler set to 128 */
#define FWDGT_PSC_DIV256 ((uint8_t)PSC_PSC(6)) /*!< FWDGT prescaler set to 256 */
/* control value */
#define FWDGT_WRITEACCESS_ENABLE ((uint16_t)0x5555U) /*!< FWDGT_CTL bits write access enable value */
#define FWDGT_WRITEACCESS_DISABLE ((uint16_t)0x0000U) /*!< FWDGT_CTL bits write access disable value */
#define FWDGT_KEY_RELOAD ((uint16_t)0xAAAAU) /*!< FWDGT_CTL bits fwdgt counter reload value */
#define FWDGT_KEY_ENABLE ((uint16_t)0xCCCCU) /*!< FWDGT_CTL bits fwdgt counter enable value */
/* FWDGT timeout value */
#define FWDGT_PSC_TIMEOUT ((uint32_t)0x000FFFFFU) /*!< FWDGT_PSC register write operation state flag timeout */
#define FWDGT_RLD_TIMEOUT ((uint32_t)0x000FFFFFU) /*!< FWDGT_RLD register write operation state flag timeout */
/* FWDGT flag definitions */
#define FWDGT_FLAG_PUD FWDGT_STAT_PUD /*!< FWDGT prescaler divider value update flag */
#define FWDGT_FLAG_RUD FWDGT_STAT_RUD /*!< FWDGT counter reload value update flag */
/* function declarations */
/* enable write access to FWDGT_PSC and FWDGT_RLD */
void fwdgt_write_enable(void);
/* disable write access to FWDGT_PSC and FWDGT_RLD */
void fwdgt_write_disable(void);
/* start the free watchdog timer counter */
void fwdgt_enable(void);
/* reload the counter of FWDGT */
void fwdgt_counter_reload(void);
/* configure counter reload value, and prescaler divider value */
ErrStatus fwdgt_config(uint16_t reload_value, uint8_t prescaler_div);
/* get flag state of FWDGT */
FlagStatus fwdgt_flag_get(uint16_t flag);
#endif /* GD32E10X_FWDGT_H */

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/*!
\file gd32e10x_gpio.h
\brief definitions for the GPIO
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_GPIO_H
#define GD32E10X_GPIO_H
#include "gd32e10x.h"
/* GPIOx(x=A,B,C,D,E) definitions */
#define GPIOA (GPIO_BASE + 0x00000000U)
#define GPIOB (GPIO_BASE + 0x00000400U)
#define GPIOC (GPIO_BASE + 0x00000800U)
#define GPIOD (GPIO_BASE + 0x00000C00U)
#define GPIOE (GPIO_BASE + 0x00001000U)
/* AFIO definitions */
#define AFIO AFIO_BASE
/* registers definitions */
/* GPIO registers definitions */
#define GPIO_CTL0(gpiox) REG32((gpiox) + 0x00U) /*!< GPIO port control register 0 */
#define GPIO_CTL1(gpiox) REG32((gpiox) + 0x04U) /*!< GPIO port control register 1 */
#define GPIO_ISTAT(gpiox) REG32((gpiox) + 0x08U) /*!< GPIO port input status register */
#define GPIO_OCTL(gpiox) REG32((gpiox) + 0x0CU) /*!< GPIO port output control register */
#define GPIO_BOP(gpiox) REG32((gpiox) + 0x10U) /*!< GPIO port bit operation register */
#define GPIO_BC(gpiox) REG32((gpiox) + 0x14U) /*!< GPIO bit clear register */
#define GPIO_LOCK(gpiox) REG32((gpiox) + 0x18U) /*!< GPIO port configuration lock register */
#define GPIOx_SPD(gpiox) REG32((gpiox) + 0x3CU) /*!< GPIO port bit speed register */
/* AFIO registers definitions */
#define AFIO_EC REG32(AFIO + 0x00U) /*!< AFIO event control register */
#define AFIO_PCF0 REG32(AFIO + 0x04U) /*!< AFIO port configuration register 0 */
#define AFIO_EXTISS0 REG32(AFIO + 0x08U) /*!< AFIO port EXTI sources selection register 0 */
#define AFIO_EXTISS1 REG32(AFIO + 0x0CU) /*!< AFIO port EXTI sources selection register 1 */
#define AFIO_EXTISS2 REG32(AFIO + 0x10U) /*!< AFIO port EXTI sources selection register 2 */
#define AFIO_EXTISS3 REG32(AFIO + 0x14U) /*!< AFIO port EXTI sources selection register 3 */
#define AFIO_PCF1 REG32(AFIO + 0x1CU) /*!< AFIO port configuration register 1 */
#define AFIO_CPSCTL REG32(AFIO + 0x20U) /*!< IO compensation control register */
/* bits definitions */
/* GPIO_CTL0 */
#define GPIO_CTL0_MD0 BITS(0,1) /*!< port 0 mode bits */
#define GPIO_CTL0_CTL0 BITS(2,3) /*!< pin 0 configuration bits */
#define GPIO_CTL0_MD1 BITS(4,5) /*!< port 1 mode bits */
#define GPIO_CTL0_CTL1 BITS(6,7) /*!< pin 1 configuration bits */
#define GPIO_CTL0_MD2 BITS(8,9) /*!< port 2 mode bits */
#define GPIO_CTL0_CTL2 BITS(10,11) /*!< pin 2 configuration bits */
#define GPIO_CTL0_MD3 BITS(12,13) /*!< port 3 mode bits */
#define GPIO_CTL0_CTL3 BITS(14,15) /*!< pin 3 configuration bits */
#define GPIO_CTL0_MD4 BITS(16,17) /*!< port 4 mode bits */
#define GPIO_CTL0_CTL4 BITS(18,19) /*!< pin 4 configuration bits */
#define GPIO_CTL0_MD5 BITS(20,21) /*!< port 5 mode bits */
#define GPIO_CTL0_CTL5 BITS(22,23) /*!< pin 5 configuration bits */
#define GPIO_CTL0_MD6 BITS(24,25) /*!< port 6 mode bits */
#define GPIO_CTL0_CTL6 BITS(26,27) /*!< pin 6 configuration bits */
#define GPIO_CTL0_MD7 BITS(28,29) /*!< port 7 mode bits */
#define GPIO_CTL0_CTL7 BITS(30,31) /*!< pin 7 configuration bits */
/* GPIO_CTL1 */
#define GPIO_CTL1_MD8 BITS(0,1) /*!< port 8 mode bits */
#define GPIO_CTL1_CTL8 BITS(2,3) /*!< pin 8 configuration bits */
#define GPIO_CTL1_MD9 BITS(4,5) /*!< port 9 mode bits */
#define GPIO_CTL1_CTL9 BITS(6,7) /*!< pin 9 configuration bits */
#define GPIO_CTL1_MD10 BITS(8,9) /*!< port 10 mode bits */
#define GPIO_CTL1_CTL10 BITS(10,11) /*!< pin 10 configuration bits */
#define GPIO_CTL1_MD11 BITS(12,13) /*!< port 11 mode bits */
#define GPIO_CTL1_CTL11 BITS(14,15) /*!< pin 11 configuration bits */
#define GPIO_CTL1_MD12 BITS(16,17) /*!< port 12 mode bits */
#define GPIO_CTL1_CTL12 BITS(18,19) /*!< pin 12 configuration bits */
#define GPIO_CTL1_MD13 BITS(20,21) /*!< port 13 mode bits */
#define GPIO_CTL1_CTL13 BITS(22,23) /*!< pin 13 configuration bits */
#define GPIO_CTL1_MD14 BITS(24,25) /*!< port 14 mode bits */
#define GPIO_CTL1_CTL14 BITS(26,27) /*!< pin 14 configuration bits */
#define GPIO_CTL1_MD15 BITS(28,29) /*!< port 15 mode bits */
#define GPIO_CTL1_CTL15 BITS(30,31) /*!< pin 15 configuration bits */
/* GPIO_ISTAT */
#define GPIO_ISTAT_ISTAT0 BIT(0) /*!< pin 0 input status */
#define GPIO_ISTAT_ISTAT1 BIT(1) /*!< pin 1 input status */
#define GPIO_ISTAT_ISTAT2 BIT(2) /*!< pin 2 input status */
#define GPIO_ISTAT_ISTAT3 BIT(3) /*!< pin 3 input status */
#define GPIO_ISTAT_ISTAT4 BIT(4) /*!< pin 4 input status */
#define GPIO_ISTAT_ISTAT5 BIT(5) /*!< pin 5 input status */
#define GPIO_ISTAT_ISTAT6 BIT(6) /*!< pin 6 input status */
#define GPIO_ISTAT_ISTAT7 BIT(7) /*!< pin 7 input status */
#define GPIO_ISTAT_ISTAT8 BIT(8) /*!< pin 8 input status */
#define GPIO_ISTAT_ISTAT9 BIT(9) /*!< pin 9 input status */
#define GPIO_ISTAT_ISTAT10 BIT(10) /*!< pin 10 input status */
#define GPIO_ISTAT_ISTAT11 BIT(11) /*!< pin 11 input status */
#define GPIO_ISTAT_ISTAT12 BIT(12) /*!< pin 12 input status */
#define GPIO_ISTAT_ISTAT13 BIT(13) /*!< pin 13 input status */
#define GPIO_ISTAT_ISTAT14 BIT(14) /*!< pin 14 input status */
#define GPIO_ISTAT_ISTAT15 BIT(15) /*!< pin 15 input status */
/* GPIO_OCTL */
#define GPIO_OCTL_OCTL0 BIT(0) /*!< pin 0 output bit */
#define GPIO_OCTL_OCTL1 BIT(1) /*!< pin 1 output bit */
#define GPIO_OCTL_OCTL2 BIT(2) /*!< pin 2 output bit */
#define GPIO_OCTL_OCTL3 BIT(3) /*!< pin 3 output bit */
#define GPIO_OCTL_OCTL4 BIT(4) /*!< pin 4 output bit */
#define GPIO_OCTL_OCTL5 BIT(5) /*!< pin 5 output bit */
#define GPIO_OCTL_OCTL6 BIT(6) /*!< pin 6 output bit */
#define GPIO_OCTL_OCTL7 BIT(7) /*!< pin 7 output bit */
#define GPIO_OCTL_OCTL8 BIT(8) /*!< pin 8 output bit */
#define GPIO_OCTL_OCTL9 BIT(9) /*!< pin 9 output bit */
#define GPIO_OCTL_OCTL10 BIT(10) /*!< pin 10 output bit */
#define GPIO_OCTL_OCTL11 BIT(11) /*!< pin 11 output bit */
#define GPIO_OCTL_OCTL12 BIT(12) /*!< pin 12 output bit */
#define GPIO_OCTL_OCTL13 BIT(13) /*!< pin 13 output bit */
#define GPIO_OCTL_OCTL14 BIT(14) /*!< pin 14 output bit */
#define GPIO_OCTL_OCTL15 BIT(15) /*!< pin 15 output bit */
/* GPIO_BOP */
#define GPIO_BOP_BOP0 BIT(0) /*!< pin 0 set bit */
#define GPIO_BOP_BOP1 BIT(1) /*!< pin 1 set bit */
#define GPIO_BOP_BOP2 BIT(2) /*!< pin 2 set bit */
#define GPIO_BOP_BOP3 BIT(3) /*!< pin 3 set bit */
#define GPIO_BOP_BOP4 BIT(4) /*!< pin 4 set bit */
#define GPIO_BOP_BOP5 BIT(5) /*!< pin 5 set bit */
#define GPIO_BOP_BOP6 BIT(6) /*!< pin 6 set bit */
#define GPIO_BOP_BOP7 BIT(7) /*!< pin 7 set bit */
#define GPIO_BOP_BOP8 BIT(8) /*!< pin 8 set bit */
#define GPIO_BOP_BOP9 BIT(9) /*!< pin 9 set bit */
#define GPIO_BOP_BOP10 BIT(10) /*!< pin 10 set bit */
#define GPIO_BOP_BOP11 BIT(11) /*!< pin 11 set bit */
#define GPIO_BOP_BOP12 BIT(12) /*!< pin 12 set bit */
#define GPIO_BOP_BOP13 BIT(13) /*!< pin 13 set bit */
#define GPIO_BOP_BOP14 BIT(14) /*!< pin 14 set bit */
#define GPIO_BOP_BOP15 BIT(15) /*!< pin 15 set bit */
#define GPIO_BOP_CR0 BIT(16) /*!< pin 0 clear bit */
#define GPIO_BOP_CR1 BIT(17) /*!< pin 1 clear bit */
#define GPIO_BOP_CR2 BIT(18) /*!< pin 2 clear bit */
#define GPIO_BOP_CR3 BIT(19) /*!< pin 3 clear bit */
#define GPIO_BOP_CR4 BIT(20) /*!< pin 4 clear bit */
#define GPIO_BOP_CR5 BIT(21) /*!< pin 5 clear bit */
#define GPIO_BOP_CR6 BIT(22) /*!< pin 6 clear bit */
#define GPIO_BOP_CR7 BIT(23) /*!< pin 7 clear bit */
#define GPIO_BOP_CR8 BIT(24) /*!< pin 8 clear bit */
#define GPIO_BOP_CR9 BIT(25) /*!< pin 9 clear bit */
#define GPIO_BOP_CR10 BIT(26) /*!< pin 10 clear bit */
#define GPIO_BOP_CR11 BIT(27) /*!< pin 11 clear bit */
#define GPIO_BOP_CR12 BIT(28) /*!< pin 12 clear bit */
#define GPIO_BOP_CR13 BIT(29) /*!< pin 13 clear bit */
#define GPIO_BOP_CR14 BIT(30) /*!< pin 14 clear bit */
#define GPIO_BOP_CR15 BIT(31) /*!< pin 15 clear bit */
/* GPIO_BC */
#define GPIO_BC_CR0 BIT(0) /*!< pin 0 clear bit */
#define GPIO_BC_CR1 BIT(1) /*!< pin 1 clear bit */
#define GPIO_BC_CR2 BIT(2) /*!< pin 2 clear bit */
#define GPIO_BC_CR3 BIT(3) /*!< pin 3 clear bit */
#define GPIO_BC_CR4 BIT(4) /*!< pin 4 clear bit */
#define GPIO_BC_CR5 BIT(5) /*!< pin 5 clear bit */
#define GPIO_BC_CR6 BIT(6) /*!< pin 6 clear bit */
#define GPIO_BC_CR7 BIT(7) /*!< pin 7 clear bit */
#define GPIO_BC_CR8 BIT(8) /*!< pin 8 clear bit */
#define GPIO_BC_CR9 BIT(9) /*!< pin 9 clear bit */
#define GPIO_BC_CR10 BIT(10) /*!< pin 10 clear bit */
#define GPIO_BC_CR11 BIT(11) /*!< pin 11 clear bit */
#define GPIO_BC_CR12 BIT(12) /*!< pin 12 clear bit */
#define GPIO_BC_CR13 BIT(13) /*!< pin 13 clear bit */
#define GPIO_BC_CR14 BIT(14) /*!< pin 14 clear bit */
#define GPIO_BC_CR15 BIT(15) /*!< pin 15 clear bit */
/* GPIO_LOCK */
#define GPIO_LOCK_LK0 BIT(0) /*!< pin 0 lock bit */
#define GPIO_LOCK_LK1 BIT(1) /*!< pin 1 lock bit */
#define GPIO_LOCK_LK2 BIT(2) /*!< pin 2 lock bit */
#define GPIO_LOCK_LK3 BIT(3) /*!< pin 3 lock bit */
#define GPIO_LOCK_LK4 BIT(4) /*!< pin 4 lock bit */
#define GPIO_LOCK_LK5 BIT(5) /*!< pin 5 lock bit */
#define GPIO_LOCK_LK6 BIT(6) /*!< pin 6 lock bit */
#define GPIO_LOCK_LK7 BIT(7) /*!< pin 7 lock bit */
#define GPIO_LOCK_LK8 BIT(8) /*!< pin 8 lock bit */
#define GPIO_LOCK_LK9 BIT(9) /*!< pin 9 lock bit */
#define GPIO_LOCK_LK10 BIT(10) /*!< pin 10 lock bit */
#define GPIO_LOCK_LK11 BIT(11) /*!< pin 11 lock bit */
#define GPIO_LOCK_LK12 BIT(12) /*!< pin 12 lock bit */
#define GPIO_LOCK_LK13 BIT(13) /*!< pin 13 lock bit */
#define GPIO_LOCK_LK14 BIT(14) /*!< pin 14 lock bit */
#define GPIO_LOCK_LK15 BIT(15) /*!< pin 15 lock bit */
#define GPIO_LOCK_LKK BIT(16) /*!< pin sequence lock key */
/* GPIO_SPD */
#define GPIO_SPD_SPD0 BIT(0) /*!< pin 0 set very high output speed when MDx is 0b11 */
#define GPIO_SPD_SPD1 BIT(1) /*!< pin 1 set very high output speed when MDx is 0b11 */
#define GPIO_SPD_SPD2 BIT(2) /*!< pin 2 set very high output speed when MDx is 0b11 */
#define GPIO_SPD_SPD3 BIT(3) /*!< pin 3 set very high output speed when MDx is 0b11 */
#define GPIO_SPD_SPD4 BIT(4) /*!< pin 4 set very high output speed when MDx is 0b11 */
#define GPIO_SPD_SPD5 BIT(5) /*!< pin 5 set very high output speed when MDx is 0b11 */
#define GPIO_SPD_SPD6 BIT(6) /*!< pin 6 set very high output speed when MDx is 0b11 */
#define GPIO_SPD_SPD7 BIT(7) /*!< pin 7 set very high output speed when MDx is 0b11 */
#define GPIO_SPD_SPD8 BIT(8) /*!< pin 8 set very high output speed when MDx is 0b11 */
#define GPIO_SPD_SPD9 BIT(9) /*!< pin 9 set very high output speed when MDx is 0b11 */
#define GPIO_SPD_SPD10 BIT(10) /*!< pin 10 set very high output speed when MDx is 0b11 */
#define GPIO_SPD_SPD11 BIT(11) /*!< pin 11 set very high output speed when MDx is 0b11 */
#define GPIO_SPD_SPD12 BIT(12) /*!< pin 12 set very high output speed when MDx is 0b11 */
#define GPIO_SPD_SPD13 BIT(13) /*!< pin 13 set very high output speed when MDx is 0b11 */
#define GPIO_SPD_SPD14 BIT(14) /*!< pin 14 set very high output speed when MDx is 0b11 */
#define GPIO_SPD_SPD15 BIT(15) /*!< pin 15 set very high output speed when MDx is 0b11 */
/* AFIO_EC */
#define AFIO_EC_PIN BITS(0,3) /*!< event output pin selection */
#define AFIO_EC_PORT BITS(4,6) /*!< event output port selection */
#define AFIO_EC_EOE BIT(7) /*!< event output enable */
/* AFIO_PCF0 */
/* memory map and bit definitions */
#define AFIO_PCF0_SPI0_REMAP BIT(0) /*!< SPI0 remapping */
#define AFIO_PCF0_I2C0_REMAP BIT(1) /*!< I2C0 remapping */
#define AFIO_PCF0_USART0_REMAP BIT(2) /*!< USART0 remapping */
#define AFIO_PCF0_USART1_REMAP BIT(3) /*!< USART1 remapping */
#define AFIO_PCF0_USART2_REMAP BITS(4,5) /*!< USART2 remapping */
#define AFIO_PCF0_TIMER0_REMAP BITS(6,7) /*!< TIMER0 remapping */
#define AFIO_PCF0_TIMER1_REMAP BITS(8,9) /*!< TIMER1 remapping */
#define AFIO_PCF0_TIMER2_REMAP BITS(10,11) /*!< TIMER2 remapping */
#define AFIO_PCF0_TIMER3_REMAP BIT(12) /*!< TIMER3 remapping */
#define AFIO_PCF0_CAN0_REMAP BITS(13,14) /*!< CAN0 remapping */
#define AFIO_PCF0_PD01_REMAP BIT(15) /*!< port D0/port D1 mapping on OSC_IN/OSC_OUT */
#define AFIO_PCF0_TIMER4CH3_IREMAP BIT(16) /*!< TIMER4 channel3 internal remapping */
#define AFIO_PCF0_ADC0_ETRGINS_REMAP BIT(17) /*!< ADC 0 external trigger inserted conversion remapping */
#define AFIO_PCF0_ADC0_ETRGREG_REMAP BIT(18) /*!< ADC 0 external trigger regular conversion remapping */
#define AFIO_PCF0_ADC1_ETRGINS_REMAP BIT(19) /*!< ADC 1 external trigger inserted conversion remapping */
#define AFIO_PCF0_ADC1_ETRGREG_REMAP BIT(20) /*!< ADC 1 external trigger regular conversion remapping */
#define AFIO_PCF0_CAN1_REMAP BIT(22) /*!< CAN1 remapping */
#define AFIO_PCF0_SWJ_CFG BITS(24,26) /*!< serial wire JTAG configuration */
#define AFIO_PCF0_SPI2_REMAP BIT(28) /*!< SPI2/I2S2 remapping */
#define AFIO_PCF0_TIMER1ITR0_REMAP BIT(29) /*!< TIMER1 internal trigger 0 remapping */
/* AFIO_EXTISS0 */
#define AFIO_EXTI0_SS BITS(0,3) /*!< EXTI 0 sources selection */
#define AFIO_EXTI1_SS BITS(4,7) /*!< EXTI 1 sources selection */
#define AFIO_EXTI2_SS BITS(8,11) /*!< EXTI 2 sources selection */
#define AFIO_EXTI3_SS BITS(12,15) /*!< EXTI 3 sources selection */
/* AFIO_EXTISS1 */
#define AFIO_EXTI4_SS BITS(0,3) /*!< EXTI 4 sources selection */
#define AFIO_EXTI5_SS BITS(4,7) /*!< EXTI 5 sources selection */
#define AFIO_EXTI6_SS BITS(8,11) /*!< EXTI 6 sources selection */
#define AFIO_EXTI7_SS BITS(12,15) /*!< EXTI 7 sources selection */
/* AFIO_EXTISS2 */
#define AFIO_EXTI8_SS BITS(0,3) /*!< EXTI 8 sources selection */
#define AFIO_EXTI9_SS BITS(4,7) /*!< EXTI 9 sources selection */
#define AFIO_EXTI10_SS BITS(8,11) /*!< EXTI 10 sources selection */
#define AFIO_EXTI11_SS BITS(12,15) /*!< EXTI 11 sources selection */
/* AFIO_EXTISS3 */
#define AFIO_EXTI12_SS BITS(0,3) /*!< EXTI 12 sources selection */
#define AFIO_EXTI13_SS BITS(4,7) /*!< EXTI 13 sources selection */
#define AFIO_EXTI14_SS BITS(8,11) /*!< EXTI 14 sources selection */
#define AFIO_EXTI15_SS BITS(12,15) /*!< EXTI 15 sources selection */
/* AFIO_PCF1 */
#define AFIO_PCF1_TIMER8_REMAP BIT(5) /*!< TIMER8 remapping */
#define AFIO_PCF1_EXMC_NADV BIT(10) /*!< EXMC_NADV connect/disconnect */
#define AFIO_PCF1_CTC_REMAP BITS(11,12) /*!< CTC remapping */
/* AFIO_CPSCTL */
#define AFIO_CPSCTL_CPS_EN BIT(0) /*!< I/O compensation cell enable */
#define AFIO_CPSCTL_CPS_RDY BIT(8) /*!< I/O compensation cell is ready or not */
/* constants definitions */
typedef FlagStatus bit_status;
/* GPIO mode values set */
#define GPIO_MODE_SET(n, mode) ((uint32_t)((uint32_t)(mode) << (4U * (n))))
#define GPIO_MODE_MASK(n) (0xFU << (4U * (n)))
/* GPIO mode definitions */
#define GPIO_MODE_AIN ((uint8_t)0x00U) /*!< analog input mode */
#define GPIO_MODE_IN_FLOATING ((uint8_t)0x04U) /*!< floating input mode */
#define GPIO_MODE_IPD ((uint8_t)0x28U) /*!< pull-down input mode */
#define GPIO_MODE_IPU ((uint8_t)0x48U) /*!< pull-up input mode */
#define GPIO_MODE_OUT_OD ((uint8_t)0x14U) /*!< GPIO output with open-drain */
#define GPIO_MODE_OUT_PP ((uint8_t)0x10U) /*!< GPIO output with push-pull */
#define GPIO_MODE_AF_OD ((uint8_t)0x1CU) /*!< AFIO output with open-drain */
#define GPIO_MODE_AF_PP ((uint8_t)0x18U) /*!< AFIO output with push-pull */
/* GPIO output max speed value */
#define GPIO_OSPEED_10MHZ ((uint8_t)0x01U) /*!< output max speed 10MHz */
#define GPIO_OSPEED_2MHZ ((uint8_t)0x02U) /*!< output max speed 2MHz */
#define GPIO_OSPEED_50MHZ ((uint8_t)0x03U) /*!< output max speed 50MHz */
#define GPIO_OSPEED_MAX ((uint8_t)0x04U) /*!< GPIO very high output speed, max speed more than 50MHz */
/* GPIO event output port definitions */
#define GPIO_EVENT_PORT_GPIOA ((uint8_t)0x00U) /*!< event output port A */
#define GPIO_EVENT_PORT_GPIOB ((uint8_t)0x01U) /*!< event output port B */
#define GPIO_EVENT_PORT_GPIOC ((uint8_t)0x02U) /*!< event output port C */
#define GPIO_EVENT_PORT_GPIOD ((uint8_t)0x03U) /*!< event output port D */
#define GPIO_EVENT_PORT_GPIOE ((uint8_t)0x04U) /*!< event output port E */
/* GPIO output port source definitions */
#define GPIO_PORT_SOURCE_GPIOA ((uint8_t)0x00U) /*!< output port source A */
#define GPIO_PORT_SOURCE_GPIOB ((uint8_t)0x01U) /*!< output port source B */
#define GPIO_PORT_SOURCE_GPIOC ((uint8_t)0x02U) /*!< output port source C */
#define GPIO_PORT_SOURCE_GPIOD ((uint8_t)0x03U) /*!< output port source D */
#define GPIO_PORT_SOURCE_GPIOE ((uint8_t)0x04U) /*!< output port source E */
/* GPIO event output pin definitions */
#define GPIO_EVENT_PIN_0 ((uint8_t)0x00U) /*!< GPIO event pin 0 */
#define GPIO_EVENT_PIN_1 ((uint8_t)0x01U) /*!< GPIO event pin 1 */
#define GPIO_EVENT_PIN_2 ((uint8_t)0x02U) /*!< GPIO event pin 2 */
#define GPIO_EVENT_PIN_3 ((uint8_t)0x03U) /*!< GPIO event pin 3 */
#define GPIO_EVENT_PIN_4 ((uint8_t)0x04U) /*!< GPIO event pin 4 */
#define GPIO_EVENT_PIN_5 ((uint8_t)0x05U) /*!< GPIO event pin 5 */
#define GPIO_EVENT_PIN_6 ((uint8_t)0x06U) /*!< GPIO event pin 6 */
#define GPIO_EVENT_PIN_7 ((uint8_t)0x07U) /*!< GPIO event pin 7 */
#define GPIO_EVENT_PIN_8 ((uint8_t)0x08U) /*!< GPIO event pin 8 */
#define GPIO_EVENT_PIN_9 ((uint8_t)0x09U) /*!< GPIO event pin 9 */
#define GPIO_EVENT_PIN_10 ((uint8_t)0x0AU) /*!< GPIO event pin 10 */
#define GPIO_EVENT_PIN_11 ((uint8_t)0x0BU) /*!< GPIO event pin 11 */
#define GPIO_EVENT_PIN_12 ((uint8_t)0x0CU) /*!< GPIO event pin 12 */
#define GPIO_EVENT_PIN_13 ((uint8_t)0x0DU) /*!< GPIO event pin 13 */
#define GPIO_EVENT_PIN_14 ((uint8_t)0x0EU) /*!< GPIO event pin 14 */
#define GPIO_EVENT_PIN_15 ((uint8_t)0x0FU) /*!< GPIO event pin 15 */
/* GPIO output pin source definitions */
#define GPIO_PIN_SOURCE_0 ((uint8_t)0x00U) /*!< GPIO pin source 0 */
#define GPIO_PIN_SOURCE_1 ((uint8_t)0x01U) /*!< GPIO pin source 1 */
#define GPIO_PIN_SOURCE_2 ((uint8_t)0x02U) /*!< GPIO pin source 2 */
#define GPIO_PIN_SOURCE_3 ((uint8_t)0x03U) /*!< GPIO pin source 3 */
#define GPIO_PIN_SOURCE_4 ((uint8_t)0x04U) /*!< GPIO pin source 4 */
#define GPIO_PIN_SOURCE_5 ((uint8_t)0x05U) /*!< GPIO pin source 5 */
#define GPIO_PIN_SOURCE_6 ((uint8_t)0x06U) /*!< GPIO pin source 6 */
#define GPIO_PIN_SOURCE_7 ((uint8_t)0x07U) /*!< GPIO pin source 7 */
#define GPIO_PIN_SOURCE_8 ((uint8_t)0x08U) /*!< GPIO pin source 8 */
#define GPIO_PIN_SOURCE_9 ((uint8_t)0x09U) /*!< GPIO pin source 9 */
#define GPIO_PIN_SOURCE_10 ((uint8_t)0x0AU) /*!< GPIO pin source 10 */
#define GPIO_PIN_SOURCE_11 ((uint8_t)0x0BU) /*!< GPIO pin source 11 */
#define GPIO_PIN_SOURCE_12 ((uint8_t)0x0CU) /*!< GPIO pin source 12 */
#define GPIO_PIN_SOURCE_13 ((uint8_t)0x0DU) /*!< GPIO pin source 13 */
#define GPIO_PIN_SOURCE_14 ((uint8_t)0x0EU) /*!< GPIO pin source 14 */
#define GPIO_PIN_SOURCE_15 ((uint8_t)0x0FU) /*!< GPIO pin source 15 */
/* GPIO pin definitions */
#define GPIO_PIN_0 BIT(0) /*!< GPIO pin 0 */
#define GPIO_PIN_1 BIT(1) /*!< GPIO pin 1 */
#define GPIO_PIN_2 BIT(2) /*!< GPIO pin 2 */
#define GPIO_PIN_3 BIT(3) /*!< GPIO pin 3 */
#define GPIO_PIN_4 BIT(4) /*!< GPIO pin 4 */
#define GPIO_PIN_5 BIT(5) /*!< GPIO pin 5 */
#define GPIO_PIN_6 BIT(6) /*!< GPIO pin 6 */
#define GPIO_PIN_7 BIT(7) /*!< GPIO pin 7 */
#define GPIO_PIN_8 BIT(8) /*!< GPIO pin 8 */
#define GPIO_PIN_9 BIT(9) /*!< GPIO pin 9 */
#define GPIO_PIN_10 BIT(10) /*!< GPIO pin 10 */
#define GPIO_PIN_11 BIT(11) /*!< GPIO pin 11 */
#define GPIO_PIN_12 BIT(12) /*!< GPIO pin 12 */
#define GPIO_PIN_13 BIT(13) /*!< GPIO pin 13 */
#define GPIO_PIN_14 BIT(14) /*!< GPIO pin 14 */
#define GPIO_PIN_15 BIT(15) /*!< GPIO pin 15 */
#define GPIO_PIN_ALL BITS(0,15) /*!< GPIO pin all */
/* AFIO remap */
#define PCF0_USART2_REMAP(regval) (BITS(4,5) & ((uint32_t)(regval) << 4)) /*!< USART2 remapping */
#define PCF0_TIMER0_REMAP(regval) (BITS(6,7) & ((uint32_t)(regval) << 6)) /*!< TIMER0 remapping */
#define PCF0_TIMER1_REMAP(regval) (BITS(8,9) & ((uint32_t)(regval) << 8)) /*!< TIMER1 remapping */
#define PCF0_TIMER2_REMAP(regval) (BITS(10,11) & ((uint32_t)(regval) << 10)) /*!< TIMER2 remapping */
#define PCF0_CAN_REMAP(regval) (BITS(13,14) & ((uint32_t)(regval) << 13)) /*!< CAN remapping */
#define PCF0_SWJ_CFG(regval) (BITS(24,26) & ((uint32_t)(regval) << 24)) /*!< serial wire JTAG configuration */
#define PCF1_CTC_REMAP(regval) (BITS(11,12) & ((uint32_t)(regval) << 11)) /*!< CTC remapping */
/* GPIO remap definitions */
#define GPIO_SPI0_REMAP AFIO_PCF0_SPI0_REMAP /*!< SPI0 remapping */
#define GPIO_I2C0_REMAP AFIO_PCF0_I2C0_REMAP /*!< I2C0 remapping */
#define GPIO_USART0_REMAP AFIO_PCF0_USART0_REMAP /*!< USART0 remapping */
#define GPIO_USART1_REMAP AFIO_PCF0_USART1_REMAP /*!< USART1 remapping */
#define GPIO_USART2_PARTIAL_REMAP ((uint32_t)0x00140000U | PCF0_USART2_REMAP(1)) /*!< USART2 partial remapping */
#define GPIO_USART2_FULL_REMAP ((uint32_t)0x00140000U | PCF0_USART2_REMAP(3)) /*!< USART2 full remapping */
#define GPIO_TIMER0_PARTIAL_REMAP ((uint32_t)0x00160000U | PCF0_TIMER0_REMAP(1)) /*!< TIMER0 partial remapping */
#define GPIO_TIMER0_FULL_REMAP ((uint32_t)0x00160000U | PCF0_TIMER0_REMAP(3)) /*!< TIMER0 full remapping */
#define GPIO_TIMER1_PARTIAL_REMAP0 ((uint32_t)0x00180000U | PCF0_TIMER1_REMAP(1)) /*!< TIMER1 partial remapping */
#define GPIO_TIMER1_PARTIAL_REMAP1 ((uint32_t)0x00180000U | PCF0_TIMER1_REMAP(2)) /*!< TIMER1 partial remapping */
#define GPIO_TIMER1_FULL_REMAP ((uint32_t)0x00180000U | PCF0_TIMER1_REMAP(3)) /*!< TIMER1 full remapping */
#define GPIO_TIMER2_PARTIAL_REMAP ((uint32_t)0x001A0000U | PCF0_TIMER2_REMAP(2)) /*!< TIMER2 partial remapping */
#define GPIO_TIMER2_FULL_REMAP ((uint32_t)0x001A0000U | PCF0_TIMER2_REMAP(3)) /*!< TIMER2 full remapping */
#define GPIO_TIMER3_REMAP AFIO_PCF0_TIMER3_REMAP /*!< TIMER3 remapping */
#define GPIO_PD01_REMAP AFIO_PCF0_PD01_REMAP /*!< PD01 remapping */
#define GPIO_TIMER4CH3_IREMAP ((uint32_t)0x00200000U | (AFIO_PCF0_TIMER4CH3_IREMAP >> 16)) /*!< TIMER4 channel3 internal remapping */
#define GPIO_ADC0_ETRGINS_REMAP ((uint32_t)0x00200000U | (AFIO_PCF0_ADC0_ETRGINS_REMAP >> 16)) /*!< ADC 0 external trigger inserted conversion remapping */
#define GPIO_ADC0_ETRGREG_REMAP ((uint32_t)0x00200000U | (AFIO_PCF0_ADC0_ETRGREG_REMAP >> 16)) /*!< ADC 0 external trigger regular conversion remapping */
#define GPIO_ADC1_ETRGINS_REMAP ((uint32_t)0x00200000U | (AFIO_PCF0_ADC1_ETRGINS_REMAP >> 16)) /*!< ADC 1 external trigger inserted conversion remapping */
#define GPIO_ADC1_ETRGREG_REMAP ((uint32_t)0x00200000U | (AFIO_PCF0_ADC1_ETRGREG_REMAP >> 16)) /*!< ADC 1 external trigger regular conversion remapping */
#define GPIO_SWJ_NONJTRST_REMAP ((uint32_t)0x00300000U | (PCF0_SWJ_CFG(1) >> 16)) /*!< full SWJ(JTAG-DP + SW-DP),but without NJTRST */
#define GPIO_SWJ_SWDPENABLE_REMAP ((uint32_t)0x00300000U | (PCF0_SWJ_CFG(2) >> 16)) /*!< JTAG-DP disabled and SW-DP enabled */
#define GPIO_SWJ_DISABLE_REMAP ((uint32_t)0x00300000U | (PCF0_SWJ_CFG(4) >> 16)) /*!< JTAG-DP disabled and SW-DP disabled */
#define GPIO_CAN0_PARTIAL_REMAP ((uint32_t)0x001D0000U | PCF0_CAN_REMAP(2)) /*!< CAN0 partial remapping */
#define GPIO_CAN0_FULL_REMAP ((uint32_t)0x001D0000U | PCF0_CAN_REMAP(3)) /*!< CAN0 full remapping */
#define GPIO_CAN1_REMAP ((uint32_t)0x00200000U | (AFIO_PCF0_CAN1_REMAP >> 16)) /*!< CAN1 remapping */
#define GPIO_SPI2_REMAP ((uint32_t)0x00200000U | (AFIO_PCF0_SPI2_REMAP >> 16)) /*!< SPI2 remapping */
#define GPIO_TIMER1ITR0_REMAP ((uint32_t)0x00200000U | (AFIO_PCF0_TIMER1ITR0_REMAP >> 16)) /*!< TIMER1 internal trigger 0 remapping */
#define GPIO_TIMER8_REMAP ((uint32_t)0x80000000U | AFIO_PCF1_TIMER8_REMAP) /*!< TIMER8 remapping */
#define GPIO_EXMC_NADV_REMAP ((uint32_t)0x80000000U | AFIO_PCF1_EXMC_NADV) /*!< EXMC_NADV connect/disconnect */
#define GPIO_CTC_REMAP0 ((uint32_t)0x801B0000U | PCF1_CTC_REMAP(1)) /*!< CTC remapping(PD15)*/
/* I/O compensation cell enable/disable */
#define GPIO_COMPENSATION_ENABLE AFIO_CPSCTL_CPS_EN /*!< I/O compensation cell is enable */
#define GPIO_COMPENSATION_DISABLE ((uint32_t)0x00000000U) /*!< I/O compensation cell is disable */
/* function declarations */
/* reset GPIO port */
void gpio_deinit(uint32_t gpio_periph);
/* reset alternate function I/O(AFIO) */
void gpio_afio_deinit(void);
/* GPIO parameter initialization */
#ifdef GD_MBED_USED
void gpio_para_init(uint32_t gpio_periph, uint32_t mode, uint32_t speed, uint32_t pin);
#else
void gpio_init(uint32_t gpio_periph, uint32_t mode, uint32_t speed, uint32_t pin);
#endif
/* set GPIO pin bit */
void gpio_bit_set(uint32_t gpio_periph, uint32_t pin);
/* reset GPIO pin bit */
void gpio_bit_reset(uint32_t gpio_periph, uint32_t pin);
/* write data to the specified GPIO pin */
void gpio_bit_write(uint32_t gpio_periph, uint32_t pin, bit_status bit_value);
/* write data to the specified GPIO port */
void gpio_port_write(uint32_t gpio_periph, uint16_t data);
/* get GPIO pin input status */
FlagStatus gpio_input_bit_get(uint32_t gpio_periph, uint32_t pin);
/* get GPIO port input status */
uint16_t gpio_input_port_get(uint32_t gpio_periph);
/* get GPIO pin output status */
FlagStatus gpio_output_bit_get(uint32_t gpio_periph, uint32_t pin);
/* get GPIO port output status */
uint16_t gpio_output_port_get(uint32_t gpio_periph);
/* configure GPIO pin remap */
void gpio_pin_remap_config(uint32_t remap, ControlStatus newvalue);
/* select GPIO pin exti sources */
void gpio_exti_source_select(uint8_t output_port, uint8_t output_pin);
/* configure GPIO pin event output */
void gpio_event_output_config(uint8_t output_port, uint8_t output_pin);
/* enable GPIO pin event output */
void gpio_event_output_enable(void);
/* disable GPIO pin event output */
void gpio_event_output_disable(void);
/* lock GPIO pin bit */
void gpio_pin_lock(uint32_t gpio_periph, uint32_t pin);
/* configure the I/O compensation cell */
void gpio_compensation_config(uint32_t compensation);
/* check the I/O compensation cell is ready or not */
FlagStatus gpio_compensation_flag_get(void);
#endif /* GD32E10X_GPIO_H */

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/*!
\file gd32e10x_i2c.h
\brief definitions for the I2C
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_I2C_H
#define GD32E10X_I2C_H
#include "gd32e10x.h"
/* I2Cx(x=0,1) definitions */
#define I2C0 I2C_BASE /*!< I2C0 base address */
#define I2C1 (I2C_BASE + 0x00000400U) /*!< I2C1 base address */
/* registers definitions */
#define I2C_CTL0(i2cx) REG32((i2cx) + 0x00U) /*!< I2C control register 0 */
#define I2C_CTL1(i2cx) REG32((i2cx) + 0x04U) /*!< I2C control register 1 */
#define I2C_SADDR0(i2cx) REG32((i2cx) + 0x08U) /*!< I2C slave address register 0*/
#define I2C_SADDR1(i2cx) REG32((i2cx) + 0x0CU) /*!< I2C slave address register */
#define I2C_DATA(i2cx) REG32((i2cx) + 0x10U) /*!< I2C transfer buffer register */
#define I2C_STAT0(i2cx) REG32((i2cx) + 0x14U) /*!< I2C transfer status register 0 */
#define I2C_STAT1(i2cx) REG32((i2cx) + 0x18U) /*!< I2C transfer status register */
#define I2C_CKCFG(i2cx) REG32((i2cx) + 0x1CU) /*!< I2C clock configure register */
#define I2C_RT(i2cx) REG32((i2cx) + 0x20U) /*!< I2C rise time register */
#define I2C_SAMCS(i2cx) REG32((i2cx) + 0x80U) /*!< I2C SAM control and status register */
#define I2C_FMPCFG(i2cx) REG32((i2cx) + 0x90U) /*!< I2C fast-mode-plus configure register */
/* bits definitions */
/* I2Cx_CTL0 */
#define I2C_CTL0_I2CEN BIT(0) /*!< peripheral enable */
#define I2C_CTL0_SMBEN BIT(1) /*!< SMBus mode */
#define I2C_CTL0_SMBSEL BIT(3) /*!< SMBus type */
#define I2C_CTL0_ARPEN BIT(4) /*!< ARP enable */
#define I2C_CTL0_PECEN BIT(5) /*!< PEC enable */
#define I2C_CTL0_GCEN BIT(6) /*!< general call enable */
#define I2C_CTL0_SS BIT(7) /*!< clock stretching disable (slave mode) */
#define I2C_CTL0_START BIT(8) /*!< start generation */
#define I2C_CTL0_STOP BIT(9) /*!< stop generation */
#define I2C_CTL0_ACKEN BIT(10) /*!< acknowledge enable */
#define I2C_CTL0_POAP BIT(11) /*!< acknowledge/PEC position (for data reception) */
#define I2C_CTL0_PECTRANS BIT(12) /*!< packet error checking */
#define I2C_CTL0_SALT BIT(13) /*!< SMBus alert */
#define I2C_CTL0_SRESET BIT(15) /*!< software reset */
/* I2Cx_CTL1 */
#define I2C_CTL1_I2CCLK BITS(0,5) /*!< I2CCLK[5:0] bits (peripheral clock frequency) */
#define I2C_CTL1_ERRIE BIT(8) /*!< error interrupt inable */
#define I2C_CTL1_EVIE BIT(9) /*!< event interrupt enable */
#define I2C_CTL1_BUFIE BIT(10) /*!< buffer interrupt enable */
#define I2C_CTL1_DMAON BIT(11) /*!< DMA requests enable */
#define I2C_CTL1_DMALST BIT(12) /*!< DMA last transfer */
/* I2Cx_SADDR0 */
#define I2C_SADDR0_ADDRESS0 BIT(0) /*!< bit 0 of a 10-bit address */
#define I2C_SADDR0_ADDRESS BITS(1,7) /*!< 7-bit address or bits 7:1 of a 10-bit address */
#define I2C_SADDR0_ADDRESS_H BITS(8,9) /*!< highest two bits of a 10-bit address */
#define I2C_SADDR0_ADDFORMAT BIT(15) /*!< address mode for the I2C slave */
/* I2Cx_SADDR1 */
#define I2C_SADDR1_DUADEN BIT(0) /*!< aual-address mode switch */
#define I2C_SADDR1_ADDRESS2 BITS(1,7) /*!< second I2C address for the slave in dual-address mode */
/* I2Cx_DATA */
#define I2C_DATA_TRB BITS(0,7) /*!< 8-bit data register */
/* I2Cx_STAT0 */
#define I2C_STAT0_SBSEND BIT(0) /*!< start bit (master mode) */
#define I2C_STAT0_ADDSEND BIT(1) /*!< address sent (master mode)/matched (slave mode) */
#define I2C_STAT0_BTC BIT(2) /*!< byte transfer finished */
#define I2C_STAT0_ADD10SEND BIT(3) /*!< 10-bit header sent (master mode) */
#define I2C_STAT0_STPDET BIT(4) /*!< stop detection (slave mode) */
#define I2C_STAT0_RBNE BIT(6) /*!< data register not empty (receivers) */
#define I2C_STAT0_TBE BIT(7) /*!< data register empty (transmitters) */
#define I2C_STAT0_BERR BIT(8) /*!< bus error */
#define I2C_STAT0_LOSTARB BIT(9) /*!< arbitration lost (master mode) */
#define I2C_STAT0_AERR BIT(10) /*!< acknowledge failure */
#define I2C_STAT0_OUERR BIT(11) /*!< overrun/underrun */
#define I2C_STAT0_PECERR BIT(12) /*!< PEC error in reception */
#define I2C_STAT0_SMBTO BIT(14) /*!< timeout signal in SMBus mode */
#define I2C_STAT0_SMBALT BIT(15) /*!< SMBus alert status */
/* I2Cx_STAT1 */
#define I2C_STAT1_MASTER BIT(0) /*!< master/slave */
#define I2C_STAT1_I2CBSY BIT(1) /*!< bus busy */
#define I2C_STAT1_TR BIT(2) /*!< transmitter/receiver */
#define I2C_STAT1_RXGC BIT(4) /*!< general call address (slave mode) */
#define I2C_STAT1_DEFSMB BIT(5) /*!< SMBus device default address (slave mode) */
#define I2C_STAT1_HSTSMB BIT(6) /*!< SMBus host header (slave mode) */
#define I2C_STAT1_DUMODF BIT(7) /*!< dual flag (slave mode) */
#define I2C_STAT1_PECV BITS(8,15) /*!< packet error checking value */
/* I2Cx_CKCFG */
#define I2C_CKCFG_CLKC BITS(0,11) /*!< clock control register in fast/standard mode or fast mode plus(master mode) */
#define I2C_CKCFG_DTCY BIT(14) /*!< duty cycle of fast mode or fast mode plus */
#define I2C_CKCFG_FAST BIT(15) /*!< I2C speed selection in master mode */
/* I2Cx_RT */
#define I2C_RT_RISETIME BITS(0,5) /*!< maximum rise time in fast/standard mode or fast mode plus(master mode) */
/* I2Cx_SAMCS */
#define I2C_SAMCS_SAMEN BIT(0) /*!< SAM_V interface enable */
#define I2C_SAMCS_STOEN BIT(1) /*!< SAM_V interface timeout detect enable */
#define I2C_SAMCS_TFFIE BIT(4) /*!< txframe fall interrupt enable */
#define I2C_SAMCS_TFRIE BIT(5) /*!< txframe rise interrupt enable */
#define I2C_SAMCS_RFFIE BIT(6) /*!< rxframe fall interrupt enable */
#define I2C_SAMCS_RFRIE BIT(7) /*!< rxframe rise interrupt enable */
#define I2C_SAMCS_TXF BIT(8) /*!< level of txframe signal */
#define I2C_SAMCS_RXF BIT(9) /*!< level of rxframe signal */
#define I2C_SAMCS_TFF BIT(12) /*!< txframe fall flag */
#define I2C_SAMCS_TFR BIT(13) /*!< txframe rise flag */
#define I2C_SAMCS_RFF BIT(14) /*!< rxframe fall flag */
#define I2C_SAMCS_RFR BIT(15) /*!< rxframe rise flag */
/* I2Cx_FMPCFG */
#define I2C_FMPCFG_FMPEN BIT(0) /*!< fast mode plus enable bit */
/* constants definitions */
/* define the I2C bit position and its register index offset */
#define I2C_REGIDX_BIT(regidx, bitpos) (((uint32_t)(regidx) << 6) | (uint32_t)(bitpos))
#define I2C_REG_VAL(i2cx, offset) (REG32((i2cx) + (((uint32_t)(offset) & 0xFFFFU) >> 6)))
#define I2C_BIT_POS(val) ((uint32_t)(val) & 0x1FU)
#define I2C_REGIDX_BIT2(regidx, bitpos, regidx2, bitpos2) (((uint32_t)(regidx2) << 22) | (uint32_t)((bitpos2) << 16)\
| (((uint32_t)(regidx) << 6) | (uint32_t)(bitpos)))
#define I2C_REG_VAL2(i2cx, offset) (REG32((i2cx) + ((uint32_t)(offset) >> 22)))
#define I2C_BIT_POS2(val) (((uint32_t)(val) & 0x1F0000U) >> 16)
/* register offset */
#define I2C_CTL1_REG_OFFSET 0x04U /*!< CTL1 register offset */
#define I2C_STAT0_REG_OFFSET 0x14U /*!< STAT0 register offset */
#define I2C_STAT1_REG_OFFSET 0x18U /*!< STAT1 register offset */
#define I2C_SAMCS_REG_OFFSET 0x80U /*!< SAMCS register offset */
/* I2C flags */
typedef enum {
/* flags in STAT0 register */
I2C_FLAG_SBSEND = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 0U), /*!< start condition sent out in master mode */
I2C_FLAG_ADDSEND = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 1U), /*!< address is sent in master mode or received and matches in slave mode */
I2C_FLAG_BTC = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 2U), /*!< byte transmission finishes */
I2C_FLAG_ADD10SEND = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 3U), /*!< header of 10-bit address is sent in master mode */
I2C_FLAG_STPDET = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 4U), /*!< stop condition detected in slave mode */
I2C_FLAG_RBNE = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 6U), /*!< I2C_DATA is not Empty during receiving */
I2C_FLAG_TBE = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 7U), /*!< I2C_DATA is empty during transmitting */
I2C_FLAG_BERR = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 8U), /*!< a bus error occurs indication a unexpected start or stop condition on I2C bus */
I2C_FLAG_LOSTARB = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 9U), /*!< arbitration lost in master mode */
I2C_FLAG_AERR = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 10U), /*!< acknowledge error */
I2C_FLAG_OUERR = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 11U), /*!< over-run or under-run situation occurs in slave mode */
I2C_FLAG_PECERR = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 12U), /*!< PEC error when receiving data */
I2C_FLAG_SMBTO = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 14U), /*!< timeout signal in SMBus mode */
I2C_FLAG_SMBALT = I2C_REGIDX_BIT(I2C_STAT0_REG_OFFSET, 15U), /*!< SMBus alert status */
/* flags in STAT1 register */
I2C_FLAG_MASTER = I2C_REGIDX_BIT(I2C_STAT1_REG_OFFSET, 0U), /*!< a flag indicating whether I2C block is in master or slave mode */
I2C_FLAG_I2CBSY = I2C_REGIDX_BIT(I2C_STAT1_REG_OFFSET, 1U), /*!< busy flag */
I2C_FLAG_TRS = I2C_REGIDX_BIT(I2C_STAT1_REG_OFFSET, 2U), /*!< whether the I2C is a transmitter or a receiver */
I2C_FLAG_RXGC = I2C_REGIDX_BIT(I2C_STAT1_REG_OFFSET, 4U), /*!< general call address (00h) received */
I2C_FLAG_DEFSMB = I2C_REGIDX_BIT(I2C_STAT1_REG_OFFSET, 5U), /*!< default address of SMBus device */
I2C_FLAG_HSTSMB = I2C_REGIDX_BIT(I2C_STAT1_REG_OFFSET, 6U), /*!< SMBus host header detected in slave mode */
I2C_FLAG_DUMOD = I2C_REGIDX_BIT(I2C_STAT1_REG_OFFSET, 7U), /*!< dual flag in slave mode indicating which address is matched in dual-address mode */
/* flags in SAMCS register */
I2C_FLAG_TFF = I2C_REGIDX_BIT(I2C_SAMCS_REG_OFFSET, 12U), /*!< txframe fall flag */
I2C_FLAG_TFR = I2C_REGIDX_BIT(I2C_SAMCS_REG_OFFSET, 13U), /*!< txframe rise flag */
I2C_FLAG_RFF = I2C_REGIDX_BIT(I2C_SAMCS_REG_OFFSET, 14U), /*!< rxframe fall flag */
I2C_FLAG_RFR = I2C_REGIDX_BIT(I2C_SAMCS_REG_OFFSET, 15U) /*!< rxframe rise flag */
} i2c_flag_enum;
/* I2C interrupt flags */
typedef enum {
/* interrupt flags in CTL1 register */
I2C_INT_FLAG_SBSEND = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 9U, I2C_STAT0_REG_OFFSET, 0U), /*!< start condition sent out in master mode interrupt flag */
I2C_INT_FLAG_ADDSEND = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 9U, I2C_STAT0_REG_OFFSET, 1U), /*!< address is sent in master mode or received and matches in slave mode interrupt flag */
I2C_INT_FLAG_BTC = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 9U, I2C_STAT0_REG_OFFSET, 2U), /*!< byte transmission finishes */
I2C_INT_FLAG_ADD10SEND = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 9U, I2C_STAT0_REG_OFFSET, 3U), /*!< header of 10-bit address is sent in master mode interrupt flag */
I2C_INT_FLAG_STPDET = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 9U, I2C_STAT0_REG_OFFSET, 4U), /*!< stop condition detected in slave mode interrupt flag */
I2C_INT_FLAG_RBNE = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 9U, I2C_STAT0_REG_OFFSET, 6U), /*!< I2C_DATA is not Empty during receiving interrupt flag */
I2C_INT_FLAG_TBE = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 9U, I2C_STAT0_REG_OFFSET, 7U), /*!< I2C_DATA is empty during transmitting interrupt flag */
I2C_INT_FLAG_BERR = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 8U, I2C_STAT0_REG_OFFSET, 8U), /*!< a bus error occurs indication a unexpected start or stop condition on I2C bus interrupt flag */
I2C_INT_FLAG_LOSTARB = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 8U, I2C_STAT0_REG_OFFSET, 9U), /*!< arbitration lost in master mode interrupt flag */
I2C_INT_FLAG_AERR = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 8U, I2C_STAT0_REG_OFFSET, 10U), /*!< acknowledge error interrupt flag */
I2C_INT_FLAG_OUERR = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 8U, I2C_STAT0_REG_OFFSET, 11U), /*!< over-run or under-run situation occurs in slave mode interrupt flag */
I2C_INT_FLAG_PECERR = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 8U, I2C_STAT0_REG_OFFSET, 12U), /*!< PEC error when receiving data interrupt flag */
I2C_INT_FLAG_SMBTO = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 8U, I2C_STAT0_REG_OFFSET, 14U), /*!< timeout signal in SMBus mode interrupt flag */
I2C_INT_FLAG_SMBALT = I2C_REGIDX_BIT2(I2C_CTL1_REG_OFFSET, 8U, I2C_STAT0_REG_OFFSET, 15U), /*!< SMBus Alert status interrupt flag */
/* interrupt flags in SAMCS register */
I2C_INT_FLAG_TFF = I2C_REGIDX_BIT2(I2C_SAMCS_REG_OFFSET, 4U, I2C_SAMCS_REG_OFFSET, 12U), /*!< txframe fall interrupt flag */
I2C_INT_FLAG_TFR = I2C_REGIDX_BIT2(I2C_SAMCS_REG_OFFSET, 5U, I2C_SAMCS_REG_OFFSET, 13U), /*!< txframe rise interrupt flag */
I2C_INT_FLAG_RFF = I2C_REGIDX_BIT2(I2C_SAMCS_REG_OFFSET, 6U, I2C_SAMCS_REG_OFFSET, 14U), /*!< rxframe fall interrupt flag */
I2C_INT_FLAG_RFR = I2C_REGIDX_BIT2(I2C_SAMCS_REG_OFFSET, 7U, I2C_SAMCS_REG_OFFSET, 15U) /*!< rxframe rise interrupt flag */
} i2c_interrupt_flag_enum;
/* I2C interrupt enable or disable */
typedef enum {
/* interrupt in CTL1 register */
I2C_INT_ERR = I2C_REGIDX_BIT(I2C_CTL1_REG_OFFSET, 8U), /*!< error interrupt enable */
I2C_INT_EV = I2C_REGIDX_BIT(I2C_CTL1_REG_OFFSET, 9U), /*!< event interrupt enable */
I2C_INT_BUF = I2C_REGIDX_BIT(I2C_CTL1_REG_OFFSET, 10U), /*!< buffer interrupt enable */
/* interrupt in SAMCS register */
I2C_INT_TFF = I2C_REGIDX_BIT(I2C_SAMCS_REG_OFFSET, 4U), /*!< txframe fall interrupt enable */
I2C_INT_TFR = I2C_REGIDX_BIT(I2C_SAMCS_REG_OFFSET, 5U), /*!< txframe rise interrupt enable */
I2C_INT_RFF = I2C_REGIDX_BIT(I2C_SAMCS_REG_OFFSET, 6U), /*!< rxframe fall interrupt enable */
I2C_INT_RFR = I2C_REGIDX_BIT(I2C_SAMCS_REG_OFFSET, 7U) /*!< rxframe rise interrupt enable */
} i2c_interrupt_enum;
/* SMBus/I2C mode switch and SMBus type selection */
#define I2C_I2CMODE_ENABLE ((uint32_t)0x00000000U) /*!< I2C mode */
#define I2C_SMBUSMODE_ENABLE I2C_CTL0_SMBEN /*!< SMBus mode */
/* SMBus/I2C mode switch and SMBus type selection */
#define I2C_SMBUS_DEVICE ((uint32_t)0x00000000U) /*!< SMBus mode device type */
#define I2C_SMBUS_HOST I2C_CTL0_SMBSEL /*!< SMBus mode host type */
/* I2C transfer direction */
#define I2C_RECEIVER ((uint32_t)0x00000001U) /*!< receiver */
#define I2C_TRANSMITTER ((uint32_t)0xFFFFFFFEU) /*!< transmitter */
/* whether or not to send an ACK */
#define I2C_ACK_DISABLE ((uint32_t)0x00000000U) /*!< ACK will be not sent */
#define I2C_ACK_ENABLE ((uint32_t)0x00000001U) /*!< ACK will be sent */
/* I2C POAP position*/
#define I2C_ACKPOS_NEXT ((uint32_t)0x00000000U) /*!< ACKEN bit decides whether or not to send ACK for the next byte */
#define I2C_ACKPOS_CURRENT ((uint32_t)0x00000001U) /*!< ACKEN bit decides whether or not to send ACK or not for the current byte */
/* I2C dual-address mode switch */
#define I2C_DUADEN_DISABLE ((uint32_t)0x00000000U) /*!< dual-address mode disabled */
#define I2C_DUADEN_ENABLE ((uint32_t)0x00000001U) /*!< dual-address mode enabled */
/* whether or not to stretch SCL low */
#define I2C_SCLSTRETCH_ENABLE ((uint32_t)0x00000000U) /*!< SCL stretching is enabled */
#define I2C_SCLSTRETCH_DISABLE I2C_CTL0_SS /*!< SCL stretching is disabled */
/* whether or not to response to a general call */
#define I2C_GCEN_ENABLE I2C_CTL0_GCEN /*!< slave will response to a general call */
#define I2C_GCEN_DISABLE ((uint32_t)0x00000000U) /*!< slave will not response to a general call */
/* software reset I2C */
#define I2C_SRESET_SET I2C_CTL0_SRESET /*!< I2C is under reset */
#define I2C_SRESET_RESET ((uint32_t)0x00000000U) /*!< I2C is not under reset */
/* I2C DMA mode configure */
/* DMA mode switch */
#define I2C_DMA_ON I2C_CTL1_DMAON /*!< DMA mode enabled */
#define I2C_DMA_OFF ((uint32_t)0x00000000U) /*!< DMA mode disabled */
/* flag indicating DMA last transfer */
#define I2C_DMALST_ON I2C_CTL1_DMALST /*!< next DMA EOT is the last transfer */
#define I2C_DMALST_OFF ((uint32_t)0x00000000U) /*!< next DMA EOT is not the last transfer */
/* I2C PEC configure */
/* PEC enable */
#define I2C_PEC_ENABLE I2C_CTL0_PECEN /*!< PEC calculation on */
#define I2C_PEC_DISABLE ((uint32_t)0x00000000U) /*!< PEC calculation off */
/* PEC transfer */
#define I2C_PECTRANS_ENABLE I2C_CTL0_PECTRANS /*!< transfer PEC */
#define I2C_PECTRANS_DISABLE ((uint32_t)0x00000000U) /*!< not transfer PEC value */
/* I2C SMBus configure */
/* issue or not alert through SMBA pin */
#define I2C_SALTSEND_ENABLE I2C_CTL0_SALT /*!< issue alert through SMBA pin */
#define I2C_SALTSEND_DISABLE ((uint32_t)0x00000000U) /*!< not issue alert through SMBA */
/* ARP protocol in SMBus switch */
#define I2C_ARP_ENABLE I2C_CTL0_ARPEN /*!< ARP enable */
#define I2C_ARP_DISABLE ((uint32_t)0x00000000U) /*!< ARP disable */
/* fast mode plus enable */
#define I2C_FAST_MODE_PLUS_ENABLE I2C_FMPCFG_FMPEN /*!< fast mode plus enable */
#define I2C_FAST_MODE_PLUS_DISABLE ((uint32_t)0x00000000U) /*!< fast mode plus disable */
/* transmit I2C data */
#define DATA_TRANS(regval) (BITS(0,7) & ((uint32_t)(regval) << 0))
/* receive I2C data */
#define DATA_RECV(regval) GET_BITS((uint32_t)(regval), 0, 7)
/* I2C duty cycle in fast mode or fast mode plus */
#define I2C_DTCY_2 ((uint32_t)0x00000000U) /*!< in I2C fast mode or fast mode plus Tlow/Thigh = 2 */
#define I2C_DTCY_16_9 I2C_CKCFG_DTCY /*!< in I2C fast mode or fast mode plus Tlow/Thigh = 16/9 */
/* address mode for the I2C slave */
#define I2C_ADDFORMAT_7BITS ((uint32_t)0x00000000U) /*!< address:7 bits */
#define I2C_ADDFORMAT_10BITS I2C_SADDR0_ADDFORMAT /*!< address:10 bits */
#ifdef GD_MBED_USED
#define SLAVE10_FIRST_BYTE(addr10) ((0xF0) | (uint8_t)((addr10 & 0x0300)>>7))
#define SLAVE10_SECOND_BYTE(addr10) ((uint8_t)(addr10 & 0x00FF))
typedef enum {
I2C_MODE_NONE = 0x00U, /*!< I2C device is idle */
I2C_MODE_MASTER = 0x10U, /*!< I2C device is in Master Mode */
I2C_MODE_SLAVE = 0x20U /*!< I2C device is in Slave Mode */
} i2c_mode_enum;
/* I2C state definitions */
#define I2C_STATE_MSK ((uint32_t)((OP_STATE_BUSY_TX | OP_STATE_BUSY_RX) & (~(uint32_t)OP_STATE_BUSY)))
#define I2C_STATE_NONE ((uint32_t)(I2C_MODE_NONE))
#define I2C_STATE_MASTER_BUSY_TX ((uint32_t)((OP_STATE_BUSY_TX & I2C_STATE_MSK) | I2C_MODE_MASTER))
#define I2C_STATE_MASTER_BUSY_RX ((uint32_t)((OP_STATE_BUSY_RX & I2C_STATE_MSK) | I2C_MODE_MASTER))
#define I2C_STATE_SLAVE_BUSY_TX ((uint32_t)((OP_STATE_BUSY_TX & I2C_STATE_MSK) | I2C_MODE_SLAVE))
#define I2C_STATE_SLAVE_BUSY_RX ((uint32_t)((OP_STATE_BUSY_RX & I2C_STATE_MSK) | I2C_MODE_SLAVE))
#define I2C_FIRST_FRAME 0x00000001U
#define I2C_NEXT_FRAME 0x00000002U
#define I2C_FIRST_AND_LAST_FRAME 0x00000004U
#define I2C_LAST_FRAME 0x00000008U
#define I2C_NO_OPTION_FRAME 0xFFFF0000U
#define I2C_DIRECTION_RECEIVE 0x00000000U
#define I2C_DIRECTION_TRANSMIT 0x00000001U
#define I2C_ERROR_NONE 0x00000000U /*!< no error */
#define I2C_ERROR_BERR 0x00000001U /*!< BERR error */
#define I2C_ERROR_LOSTARB 0x00000002U /*!< LOSTARB error */
#define I2C_ERROR_AERR 0x00000004U /*!< AERR error */
#define I2C_ERROR_OUERR 0x00000008U /*!< OUERR error */
#define I2C_ERROR_DMA 0x00000010U /*!< DMA transfer error */
#define I2C_ERROR_TIMEOUT 0x00000020U /*!< timeout Error */
#define I2C_TIMEOUT_BUSY_FLAG 25U /*!< timeout 25 ms */
#endif
/* function declarations */
/* reset I2C */
void i2c_deinit(uint32_t i2c_periph);
/* configure I2C clock */
void i2c_clock_config(uint32_t i2c_periph, uint32_t clkspeed, uint32_t dutycyc);
/* configure I2C address */
void i2c_mode_addr_config(uint32_t i2c_periph, uint32_t mode, uint32_t addformat, uint32_t addr);
/* SMBus type selection */
void i2c_smbus_type_config(uint32_t i2c_periph, uint32_t type);
/* whether or not to send an ACK */
void i2c_ack_config(uint32_t i2c_periph, uint32_t ack);
/* configure I2C POAP position */
void i2c_ackpos_config(uint32_t i2c_periph, uint32_t pos);
/* master sends slave address */
void i2c_master_addressing(uint32_t i2c_periph, uint32_t addr, uint32_t trandirection);
/* dual-address mode switch */
void i2c_dualaddr_enable(uint32_t i2c_periph, uint32_t dualaddr);
/* enable I2C */
void i2c_enable(uint32_t i2c_periph);
/* disable I2C */
void i2c_disable(uint32_t i2c_periph);
/* generate a START condition on I2C bus */
void i2c_start_on_bus(uint32_t i2c_periph);
/* generate a STOP condition on I2C bus */
void i2c_stop_on_bus(uint32_t i2c_periph);
/* I2C transmit data function */
void i2c_data_transmit(uint32_t i2c_periph, uint8_t data);
/* I2C receive data function */
uint8_t i2c_data_receive(uint32_t i2c_periph);
/* enable I2C DMA mode */
void i2c_dma_enable(uint32_t i2c_periph, uint32_t dmastate);
/* configure whether next DMA EOT is DMA last transfer or not */
void i2c_dma_last_transfer_config(uint32_t i2c_periph, uint32_t dmalast);
/* whether to stretch SCL low when data is not ready in slave mode */
void i2c_stretch_scl_low_config(uint32_t i2c_periph, uint32_t stretchpara);
/* whether or not to response to a general call */
void i2c_slave_response_to_gcall_config(uint32_t i2c_periph, uint32_t gcallpara);
/* software reset I2C */
void i2c_software_reset_config(uint32_t i2c_periph, uint32_t sreset);
/* I2C PEC calculation on or off */
void i2c_pec_enable(uint32_t i2c_periph, uint32_t pecstate);
/* I2C whether to transfer PEC value */
void i2c_pec_transfer_enable(uint32_t i2c_periph, uint32_t pecpara);
/* packet error checking value */
uint8_t i2c_pec_value_get(uint32_t i2c_periph);
/* I2C issue alert through SMBA pin */
void i2c_smbus_issue_alert(uint32_t i2c_periph, uint32_t smbuspara);
/* I2C ARP protocol in SMBus switch */
void i2c_smbus_arp_enable(uint32_t i2c_periph, uint32_t arpstate);
/* enable SAM_V interface */
void i2c_sam_enable(uint32_t i2c_periph);
/* disable SAM_V interface */
void i2c_sam_disable(uint32_t i2c_periph);
/* enable SAM_V interface timeout detect */
void i2c_sam_timeout_enable(uint32_t i2c_periph);
/* disable SAM_V interface timeout detect */
void i2c_sam_timeout_disable(uint32_t i2c_periph);
/* check I2C flag is set or not */
FlagStatus i2c_flag_get(uint32_t i2c_periph, i2c_flag_enum flag);
/* clear I2C flag */
void i2c_flag_clear(uint32_t i2c_periph, i2c_flag_enum flag);
/* enable I2C interrupt */
void i2c_interrupt_enable(uint32_t i2c_periph, i2c_interrupt_enum interrupt);
/* disable I2C interrupt */
void i2c_interrupt_disable(uint32_t i2c_periph, i2c_interrupt_enum interrupt);
/* check I2C interrupt flag */
FlagStatus i2c_interrupt_flag_get(uint32_t i2c_periph, i2c_interrupt_flag_enum int_flag);
/* clear I2C interrupt flag */
void i2c_interrupt_flag_clear(uint32_t i2c_periph, i2c_interrupt_flag_enum int_flag);
#endif /* GD32E10X_I2C_H */

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targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Include/gd32e10x_misc.h Normal file
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/*!
\file gd32e10x_misc.h
\brief definitions for the MISC
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_MISC_H
#define GD32E10X_MISC_H
#include "gd32e10x.h"
/* constants definitions */
/* set the RAM and FLASH base address */
#define NVIC_VECTTAB_RAM ((uint32_t)0x20000000) /*!< RAM base address */
#define NVIC_VECTTAB_FLASH ((uint32_t)0x08000000) /*!< Flash base address */
/* set the NVIC vector table offset mask */
#define NVIC_VECTTAB_OFFSET_MASK ((uint32_t)0x1FFFFF80)
/* the register key mask, if you want to do the write operation, you should write 0x5FA to VECTKEY bits */
#define NVIC_AIRCR_VECTKEY_MASK ((uint32_t)0x05FA0000)
/* priority group - define the pre-emption priority and the subpriority */
#define NVIC_PRIGROUP_PRE0_SUB4 ((uint32_t)0x700) /*!< 0 bits for pre-emption priority 4 bits for subpriority */
#define NVIC_PRIGROUP_PRE1_SUB3 ((uint32_t)0x600) /*!< 1 bits for pre-emption priority 3 bits for subpriority */
#define NVIC_PRIGROUP_PRE2_SUB2 ((uint32_t)0x500) /*!< 2 bits for pre-emption priority 2 bits for subpriority */
#define NVIC_PRIGROUP_PRE3_SUB1 ((uint32_t)0x400) /*!< 3 bits for pre-emption priority 1 bits for subpriority */
#define NVIC_PRIGROUP_PRE4_SUB0 ((uint32_t)0x300) /*!< 4 bits for pre-emption priority 0 bits for subpriority */
/* choose the method to enter or exit the lowpower mode */
#define SCB_SCR_SLEEPONEXIT ((uint8_t)0x02) /*!< choose the the system whether enter low power mode by exiting from ISR */
#define SCB_SCR_SLEEPDEEP ((uint8_t)0x04) /*!< choose the the system enter the DEEPSLEEP mode or SLEEP mode */
#define SCB_SCR_SEVONPEND ((uint8_t)0x10) /*!< choose the interrupt source that can wake up the lowpower mode */
#define SCB_LPM_SLEEP_EXIT_ISR SCB_SCR_SLEEPONEXIT
#define SCB_LPM_DEEPSLEEP SCB_SCR_SLEEPDEEP
#define SCB_LPM_WAKE_BY_ALL_INT SCB_SCR_SEVONPEND
/* choose the systick clock source */
#define SYSTICK_CLKSOURCE_HCLK_DIV8 ((uint32_t)0xFFFFFFFBU) /*!< systick clock source is from HCLK/8 */
#define SYSTICK_CLKSOURCE_HCLK ((uint32_t)0x00000004U) /*!< systick clock source is from HCLK */
/* function declarations */
/* set the priority group */
void nvic_priority_group_set(uint32_t nvic_prigroup);
/* enable NVIC request */
void nvic_irq_enable(uint8_t nvic_irq, uint8_t nvic_irq_pre_priority, uint8_t nvic_irq_sub_priority);
/* disable NVIC request */
void nvic_irq_disable(uint8_t nvic_irq);
/* set the NVIC vector table base address */
void nvic_vector_table_set(uint32_t nvic_vict_tab, uint32_t offset);
/* set the state of the low power mode */
void system_lowpower_set(uint8_t lowpower_mode);
/* reset the state of the low power mode */
void system_lowpower_reset(uint8_t lowpower_mode);
/* set the systick clock source */
void systick_clksource_set(uint32_t systick_clksource);
#endif /* GD32E10X_MISC_H */

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/*!
\file gd32e10x_pmu.h
\brief definitions for the PMU
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_PMU_H
#define GD32E10X_PMU_H
#include "gd32e10x.h"
/* PMU definitions */
#define PMU PMU_BASE /*!< PMU base address */
/* registers definitions */
#define PMU_CTL REG32((PMU) + 0x00U) /*!< PMU control register */
#define PMU_CS REG32((PMU) + 0x04U) /*!< PMU control and status register */
/* bits definitions */
/* PMU_CTL */
#define PMU_CTL_LDOLP BIT(0) /*!< LDO low power mode */
#define PMU_CTL_STBMOD BIT(1) /*!< standby mode */
#define PMU_CTL_WURST BIT(2) /*!< wakeup flag reset */
#define PMU_CTL_STBRST BIT(3) /*!< standby flag reset */
#define PMU_CTL_LVDEN BIT(4) /*!< low voltage detector enable */
#define PMU_CTL_LVDT BITS(5,7) /*!< low voltage detector threshold */
#define PMU_CTL_BKPWEN BIT(8) /*!< backup domain write enable */
#define PMU_CTL_LDOVS BITS(14,15) /*!< LDO output voltage select */
/* PMU_CS */
#define PMU_CS_WUF BIT(0) /*!< wakeup flag */
#define PMU_CS_STBF BIT(1) /*!< standby flag */
#define PMU_CS_LVDF BIT(2) /*!< low voltage detector status flag */
#define PMU_CS_WUPEN BIT(8) /*!< wakeup pin enable */
/* constants definitions */
/* PMU low voltage detector threshold definitions */
#define CTL_LVDT(regval) (BITS(5,7)&((uint32_t)(regval)<<5))
#define PMU_LVDT_0 CTL_LVDT(0) /*!< voltage threshold is 2.1V */
#define PMU_LVDT_1 CTL_LVDT(1) /*!< voltage threshold is 2.3V */
#define PMU_LVDT_2 CTL_LVDT(2) /*!< voltage threshold is 2.4V */
#define PMU_LVDT_3 CTL_LVDT(3) /*!< voltage threshold is 2.6V */
#define PMU_LVDT_4 CTL_LVDT(4) /*!< voltage threshold is 2.7V */
#define PMU_LVDT_5 CTL_LVDT(5) /*!< voltage threshold is 2.9V */
#define PMU_LVDT_6 CTL_LVDT(6) /*!< voltage threshold is 3.0V */
#define PMU_LVDT_7 CTL_LVDT(7) /*!< voltage threshold is 3.1V */
/* PMU LDO output voltage select definitions */
#define CTL_LDOVS(regval) (BITS(14,15)&((uint32_t)(regval)<<14))
#define PMU_LDOVS_NORMAL CTL_LDOVS(1) /*!< LDO output voltage select normal mode */
#define PMU_LDOVS_LOW CTL_LDOVS(3) /*!< LDO output voltage select low mode */
/* PMU flag definitions */
#define PMU_FLAG_WAKEUP PMU_CS_WUF /*!< wakeup flag status */
#define PMU_FLAG_STANDBY PMU_CS_STBF /*!< standby flag status */
#define PMU_FLAG_LVD PMU_CS_LVDF /*!< lvd flag status */
/* PMU ldo definitions */
#define PMU_LDO_NORMAL ((uint32_t)0x00000000U) /*!< LDO normal work when PMU enter deepsleep mode */
#define PMU_LDO_LOWPOWER PMU_CTL_LDOLP /*!< LDO work at low power status when PMU enter deepsleep mode */
/* PMU flag reset definitions */
#define PMU_FLAG_RESET_WAKEUP ((uint8_t)0x00U) /*!< wakeup flag reset */
#define PMU_FLAG_RESET_STANDBY ((uint8_t)0x01U) /*!< standby flag reset */
/* PMU command constants definitions */
#define WFI_CMD ((uint8_t)0x00U) /*!< use WFI command */
#define WFE_CMD ((uint8_t)0x01U) /*!< use WFE command */
/* function declarations */
/* reset PMU registers */
void pmu_deinit(void);
/* select low voltage detector threshold */
void pmu_lvd_select(uint32_t lvdt_n);
/* select LDO output voltage */
void pmu_ldo_output_select(uint32_t ldo_output);
/* disable PMU lvd */
void pmu_lvd_disable(void);
/* set PMU mode */
/* PMU work at sleep mode */
void pmu_to_sleepmode(uint8_t sleepmodecmd);
/* PMU work at deepsleep mode */
void pmu_to_deepsleepmode(uint32_t ldo, uint8_t deepsleepmodecmd);
/* PMU work at standby mode */
void pmu_to_standbymode(uint8_t standbymodecmd);
/* wakeup pin related functions */
/* enable PMU wakeup pin */
void pmu_wakeup_pin_enable(void);
/* disable PMU wakeup pin */
void pmu_wakeup_pin_disable(void);
/* backup related functions */
/* enable write access to the registers in backup domain */
void pmu_backup_write_enable(void);
/* disable write access to the registers in backup domain */
void pmu_backup_write_disable(void);
/* flag functions */
/* clear flag bit */
void pmu_flag_clear(uint32_t flag_reset);
/* get flag state */
FlagStatus pmu_flag_get(uint32_t flag);
#endif /* GD32E10X_PMU_H */

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/*!
\file gd32e10x_rcu.h
\brief definitions for the RCU
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_RCU_H
#define GD32E10X_RCU_H
#include "gd32e10x.h"
/* RCU definitions */
#define RCU RCU_BASE
/* registers definitions */
#define RCU_CTL REG32(RCU + 0x00U) /*!< control register */
#define RCU_CFG0 REG32(RCU + 0x04U) /*!< clock configuration register 0 */
#define RCU_INT REG32(RCU + 0x08U) /*!< clock interrupt register */
#define RCU_APB2RST REG32(RCU + 0x0CU) /*!< APB2 reset register */
#define RCU_APB1RST REG32(RCU + 0x10U) /*!< APB1 reset register */
#define RCU_AHBEN REG32(RCU + 0x14U) /*!< AHB1 enable register */
#define RCU_APB2EN REG32(RCU + 0x18U) /*!< APB2 enable register */
#define RCU_APB1EN REG32(RCU + 0x1CU) /*!< APB1 enable register */
#define RCU_BDCTL REG32(RCU + 0x20U) /*!< backup domain control register */
#define RCU_RSTSCK REG32(RCU + 0x24U) /*!< reset source / clock register */
#define RCU_AHBRST REG32(RCU + 0x28U) /*!< AHB reset register */
#define RCU_CFG1 REG32(RCU + 0x2CU) /*!< clock configuration register 1 */
#define RCU_DSV REG32(RCU + 0x34U) /*!< deep-sleep mode voltage register */
#define RCU_ADDCTL REG32(RCU + 0xC0U) /*!< Additional clock control register */
#define RCU_ADDINT REG32(RCU + 0xCCU) /*!< Additional clock interrupt register */
#define RCU_ADDAPB1RST REG32(RCU + 0xE0U) /*!< APB1 additional reset register */
#define RCU_ADDAPB1EN REG32(RCU + 0xE4U) /*!< APB1 additional enable register */
/* bits definitions */
/* RCU_CTL */
#define RCU_CTL_IRC8MEN BIT(0) /*!< internal high speed oscillator enable */
#define RCU_CTL_IRC8MSTB BIT(1) /*!< IRC8M high speed internal oscillator stabilization flag */
#define RCU_CTL_IRC8MADJ BITS(3,7) /*!< high speed internal oscillator clock trim adjust value */
#define RCU_CTL_IRC8MCALIB BITS(8,15) /*!< high speed internal oscillator calibration value register */
#define RCU_CTL_HXTALEN BIT(16) /*!< external high speed oscillator enable */
#define RCU_CTL_HXTALSTB BIT(17) /*!< external crystal oscillator clock stabilization flag */
#define RCU_CTL_HXTALBPS BIT(18) /*!< external crystal oscillator clock bypass mode enable */
#define RCU_CTL_CKMEN BIT(19) /*!< HXTAL clock monitor enable */
#define RCU_CTL_PLLEN BIT(24) /*!< PLL enable */
#define RCU_CTL_PLLSTB BIT(25) /*!< PLL clock stabilization flag */
#define RCU_CTL_PLL1EN BIT(26) /*!< PLL1 enable */
#define RCU_CTL_PLL1STB BIT(27) /*!< PLL1 clock stabilization flag */
#define RCU_CTL_PLL2EN BIT(28) /*!< PLL2 enable */
#define RCU_CTL_PLL2STB BIT(29) /*!< PLL2 clock stabilization flag */
/* RCU_CFG0 */
#define RCU_CFG0_SCS BITS(0,1) /*!< system clock switch */
#define RCU_CFG0_SCSS BITS(2,3) /*!< system clock switch status */
#define RCU_CFG0_AHBPSC BITS(4,7) /*!< AHB prescaler selection */
#define RCU_CFG0_APB1PSC BITS(8,10) /*!< APB1 prescaler selection */
#define RCU_CFG0_APB2PSC BITS(11,13) /*!< APB2 prescaler selection */
#define RCU_CFG0_ADCPSC BITS(14,15) /*!< ADC prescaler selection */
#define RCU_CFG0_PLLSEL BIT(16) /*!< PLL clock source selection */
#define RCU_CFG0_PREDV0_LSB BIT(17) /*!< the LSB of PREDV0 division factor */
#define RCU_CFG0_PLLMF BITS(18,21) /*!< PLL clock multiplication factor */
#define RCU_CFG0_USBFSPSC BITS(22,23) /*!< USBFS clock prescaler selection */
#define RCU_CFG0_CKOUT0SEL BITS(24,27) /*!< CKOUT0 clock source selection */
#define RCU_CFG0_ADCPSC_2 BIT(28) /*!< bit 2 of ADCPSC */
#define RCU_CFG0_PLLMF_4 BIT(29) /*!< bit 4 of PLLMF */
#define RCU_CFG0_USBFSPSC_2 BIT(31) /*!< bit 2 of USBFSPSC */
/* RCU_INT */
#define RCU_INT_IRC40KSTBIF BIT(0) /*!< IRC40K stabilization interrupt flag */
#define RCU_INT_LXTALSTBIF BIT(1) /*!< LXTAL stabilization interrupt flag */
#define RCU_INT_IRC8MSTBIF BIT(2) /*!< IRC8M stabilization interrupt flag */
#define RCU_INT_HXTALSTBIF BIT(3) /*!< HXTAL stabilization interrupt flag */
#define RCU_INT_PLLSTBIF BIT(4) /*!< PLL stabilization interrupt flag */
#define RCU_INT_PLL1STBIF BIT(5) /*!< PLL1 stabilization interrupt flag */
#define RCU_INT_PLL2STBIF BIT(6) /*!< PLL2 stabilization interrupt flag */
#define RCU_INT_CKMIF BIT(7) /*!< HXTAL clock stuck interrupt flag */
#define RCU_INT_IRC40KSTBIE BIT(8) /*!< IRC40K stabilization interrupt enable */
#define RCU_INT_LXTALSTBIE BIT(9) /*!< LXTAL stabilization interrupt enable */
#define RCU_INT_IRC8MSTBIE BIT(10) /*!< IRC8M stabilization interrupt enable */
#define RCU_INT_HXTALSTBIE BIT(11) /*!< HXTAL stabilization interrupt enable */
#define RCU_INT_PLLSTBIE BIT(12) /*!< PLL stabilization interrupt enable */
#define RCU_INT_PLL1STBIE BIT(13) /*!< PLL1 stabilization interrupt enable */
#define RCU_INT_PLL2STBIE BIT(14) /*!< PLL2 stabilization interrupt enable */
#define RCU_INT_IRC40KSTBIC BIT(16) /*!< IRC40K stabilization interrupt clear */
#define RCU_INT_LXTALSTBIC BIT(17) /*!< LXTAL stabilization interrupt clear */
#define RCU_INT_IRC8MSTBIC BIT(18) /*!< IRC8M stabilization interrupt clear */
#define RCU_INT_HXTALSTBIC BIT(19) /*!< HXTAL stabilization interrupt clear */
#define RCU_INT_PLLSTBIC BIT(20) /*!< PLL stabilization interrupt clear */
#define RCU_INT_PLL1STBIC BIT(21) /*!< PLL1 stabilization interrupt clear */
#define RCU_INT_PLL2STBIC BIT(22) /*!< PLL2 stabilization interrupt clear */
#define RCU_INT_CKMIC BIT(23) /*!< HXTAL clock stuck interrupt clear */
/* RCU_APB2RST */
#define RCU_APB2RST_AFRST BIT(0) /*!< alternate function I/O reset */
#define RCU_APB2RST_PARST BIT(2) /*!< GPIO port A reset */
#define RCU_APB2RST_PBRST BIT(3) /*!< GPIO port B reset */
#define RCU_APB2RST_PCRST BIT(4) /*!< GPIO port C reset */
#define RCU_APB2RST_PDRST BIT(5) /*!< GPIO port D reset */
#define RCU_APB2RST_PERST BIT(6) /*!< GPIO port E reset */
#define RCU_APB2RST_ADC0RST BIT(9) /*!< ADC0 reset */
#define RCU_APB2RST_ADC1RST BIT(10) /*!< ADC1 reset */
#define RCU_APB2RST_TIMER0RST BIT(11) /*!< TIMER0 reset */
#define RCU_APB2RST_SPI0RST BIT(12) /*!< SPI0 reset */
#define RCU_APB2RST_TIMER7RST BIT(13) /*!< TIMER7 reset */
#define RCU_APB2RST_USART0RST BIT(14) /*!< USART0 reset */
#define RCU_APB2RST_TIMER8RST BIT(19) /*!< TIMER8 reset */
#define RCU_APB2RST_TIMER9RST BIT(20) /*!< TIMER9 reset */
#define RCU_APB2RST_TIMER10RST BIT(21) /*!< TIMER10 reset */
/* RCU_APB1RST */
#define RCU_APB1RST_TIMER1RST BIT(0) /*!< TIMER1 reset */
#define RCU_APB1RST_TIMER2RST BIT(1) /*!< TIMER2 reset */
#define RCU_APB1RST_TIMER3RST BIT(2) /*!< TIMER3 reset */
#define RCU_APB1RST_TIMER4RST BIT(3) /*!< TIMER4 reset */
#define RCU_APB1RST_TIMER5RST BIT(4) /*!< TIMER5 reset */
#define RCU_APB1RST_TIMER6RST BIT(5) /*!< TIMER6 reset */
#define RCU_APB1RST_TIMER11RST BIT(6) /*!< TIMER11 reset */
#define RCU_APB1RST_TIMER12RST BIT(7) /*!< TIMER12 reset */
#define RCU_APB1RST_TIMER13RST BIT(8) /*!< TIMER13 reset */
#define RCU_APB1RST_WWDGTRST BIT(11) /*!< WWDGT reset */
#define RCU_APB1RST_SPI1RST BIT(14) /*!< SPI1 reset */
#define RCU_APB1RST_SPI2RST BIT(15) /*!< SPI2 reset */
#define RCU_APB1RST_USART1RST BIT(17) /*!< USART1 reset */
#define RCU_APB1RST_USART2RST BIT(18) /*!< USART2 reset */
#define RCU_APB1RST_UART3RST BIT(19) /*!< UART3 reset */
#define RCU_APB1RST_UART4RST BIT(20) /*!< UART4 reset */
#define RCU_APB1RST_I2C0RST BIT(21) /*!< I2C0 reset */
#define RCU_APB1RST_I2C1RST BIT(22) /*!< I2C1 reset */
#define RCU_APB1RST_CAN0RST BIT(25) /*!< CAN0 reset */
#define RCU_APB1RST_CAN1RST BIT(26) /*!< CAN1 reset */
#define RCU_APB1RST_BKPIRST BIT(27) /*!< backup interface reset */
#define RCU_APB1RST_PMURST BIT(28) /*!< PMU reset */
#define RCU_APB1RST_DACRST BIT(29) /*!< DAC reset */
/* RCU_AHBEN */
#define RCU_AHBEN_DMA0EN BIT(0) /*!< DMA0 clock enable */
#define RCU_AHBEN_DMA1EN BIT(1) /*!< DMA1 clock enable */
#define RCU_AHBEN_SRAMSPEN BIT(2) /*!< SRAM clock enable when sleep mode */
#define RCU_AHBEN_FMCSPEN BIT(4) /*!< FMC clock enable when sleep mode */
#define RCU_AHBEN_CRCEN BIT(6) /*!< CRC clock enable */
#define RCU_AHBEN_EXMCEN BIT(8) /*!< EXMC clock enable */
#define RCU_AHBEN_USBFSEN BIT(12) /*!< USBFS clock enable */
/* RCU_APB2EN */
#define RCU_APB2EN_AFEN BIT(0) /*!< alternate function IO clock enable */
#define RCU_APB2EN_PAEN BIT(2) /*!< GPIO port A clock enable */
#define RCU_APB2EN_PBEN BIT(3) /*!< GPIO port B clock enable */
#define RCU_APB2EN_PCEN BIT(4) /*!< GPIO port C clock enable */
#define RCU_APB2EN_PDEN BIT(5) /*!< GPIO port D clock enable */
#define RCU_APB2EN_PEEN BIT(6) /*!< GPIO port E clock enable */
#define RCU_APB2EN_ADC0EN BIT(9) /*!< ADC0 clock enable */
#define RCU_APB2EN_ADC1EN BIT(10) /*!< ADC1 clock enable */
#define RCU_APB2EN_TIMER0EN BIT(11) /*!< TIMER0 clock enable */
#define RCU_APB2EN_SPI0EN BIT(12) /*!< SPI0 clock enable */
#define RCU_APB2EN_TIMER7EN BIT(13) /*!< TIMER7 clock enable */
#define RCU_APB2EN_USART0EN BIT(14) /*!< USART0 clock enable */
#define RCU_APB2EN_TIMER8EN BIT(19) /*!< TIMER8 clock enable */
#define RCU_APB2EN_TIMER9EN BIT(20) /*!< TIMER9 clock enable */
#define RCU_APB2EN_TIMER10EN BIT(21) /*!< TIMER10 clock enable */
/* RCU_APB1EN */
#define RCU_APB1EN_TIMER1EN BIT(0) /*!< TIMER1 clock enable */
#define RCU_APB1EN_TIMER2EN BIT(1) /*!< TIMER2 clock enable */
#define RCU_APB1EN_TIMER3EN BIT(2) /*!< TIMER3 clock enable */
#define RCU_APB1EN_TIMER4EN BIT(3) /*!< TIMER4 clock enable */
#define RCU_APB1EN_TIMER5EN BIT(4) /*!< TIMER5 clock enable */
#define RCU_APB1EN_TIMER6EN BIT(5) /*!< TIMER6 clock enable */
#define RCU_APB1EN_TIMER11EN BIT(6) /*!< TIMER11 clock enable */
#define RCU_APB1EN_TIMER12EN BIT(7) /*!< TIMER12 clock enable */
#define RCU_APB1EN_TIMER13EN BIT(8) /*!< TIMER13 clock enable */
#define RCU_APB1EN_WWDGTEN BIT(11) /*!< WWDGT clock enable */
#define RCU_APB1EN_SPI1EN BIT(14) /*!< SPI1 clock enable */
#define RCU_APB1EN_SPI2EN BIT(15) /*!< SPI2 clock enable */
#define RCU_APB1EN_USART1EN BIT(17) /*!< USART1 clock enable */
#define RCU_APB1EN_USART2EN BIT(18) /*!< USART2 clock enable */
#define RCU_APB1EN_UART3EN BIT(19) /*!< UART3 clock enable */
#define RCU_APB1EN_UART4EN BIT(20) /*!< UART4 clock enable */
#define RCU_APB1EN_I2C0EN BIT(21) /*!< I2C0 clock enable */
#define RCU_APB1EN_I2C1EN BIT(22) /*!< I2C1 clock enable */
#define RCU_APB1EN_CAN0EN BIT(25) /*!< CAN0 clock enable */
#define RCU_APB1EN_CAN1EN BIT(26) /*!< CAN1 clock enable */
#define RCU_APB1EN_BKPIEN BIT(27) /*!< backup interface clock enable */
#define RCU_APB1EN_PMUEN BIT(28) /*!< PMU clock enable */
#define RCU_APB1EN_DACEN BIT(29) /*!< DAC clock enable */
/* RCU_BDCTL */
#define RCU_BDCTL_LXTALEN BIT(0) /*!< LXTAL enable */
#define RCU_BDCTL_LXTALSTB BIT(1) /*!< low speed crystal oscillator stabilization flag */
#define RCU_BDCTL_LXTALBPS BIT(2) /*!< LXTAL bypass mode enable */
#define RCU_BDCTL_LXTALDRI BITS(3,4) /*!< LXTAL drive capability */
#define RCU_BDCTL_RTCSRC BITS(8,9) /*!< RTC clock entry selection */
#define RCU_BDCTL_RTCEN BIT(15) /*!< RTC clock enable */
#define RCU_BDCTL_BKPRST BIT(16) /*!< backup domain reset */
/* RCU_RSTSCK */
#define RCU_RSTSCK_IRC40KEN BIT(0) /*!< IRC40K enable */
#define RCU_RSTSCK_IRC40KSTB BIT(1) /*!< IRC40K stabilization flag */
#define RCU_RSTSCK_RSTFC BIT(24) /*!< reset flag clear */
#define RCU_RSTSCK_EPRSTF BIT(26) /*!< external pin reset flag */
#define RCU_RSTSCK_PORRSTF BIT(27) /*!< power reset flag */
#define RCU_RSTSCK_SWRSTF BIT(28) /*!< software reset flag */
#define RCU_RSTSCK_FWDGTRSTF BIT(29) /*!< free watchdog timer reset flag */
#define RCU_RSTSCK_WWDGTRSTF BIT(30) /*!< window watchdog timer reset flag */
#define RCU_RSTSCK_LPRSTF BIT(31) /*!< low-power reset flag */
/* RCU_AHBRST */
#define RCU_AHBRST_USBFSRST BIT(12) /*!< USBFS reset */
/* RCU_CFG1 */
#define RCU_CFG1_PREDV0 BITS(0,3) /*!< PREDV0 division factor */
#define RCU_CFG1_PREDV1 BITS(4,7) /*!< PREDV1 division factor */
#define RCU_CFG1_PLL1MF BITS(8,11) /*!< PLL1 clock multiplication factor */
#define RCU_CFG1_PLL2MF BITS(12,15) /*!< PLL2 clock multiplication factor */
#define RCU_CFG1_PREDV0SEL BIT(16) /*!< PREDV0 input clock source selection */
#define RCU_CFG1_I2S1SEL BIT(17) /*!< I2S1 clock source selection */
#define RCU_CFG1_I2S2SEL BIT(18) /*!< I2S2 clock source selection */
#define RCU_CFG1_ADCPSC_3 BIT(29) /*!< bit 4 of ADCPSC */
#define RCU_CFG1_PLLPRESEL BIT(30) /*!< PLL clock source selection */
/* RCU_DSV */
#define RCU_DSV_DSLPVS BITS(0,1) /*!< deep-sleep mode voltage select */
/* RCU_ADDCTL */
#define RCU_ADDCTL_CK48MSEL BIT(0) /*!< 48MHz clock selection */
#define RCU_ADDCTL_IRC48MEN BIT(16) /*!< internal 48MHz RC oscillator enable */
#define RCU_ADDCTL_IRC48MSTB BIT(17) /*!< internal 48MHz RC oscillator clock stabilization flag */
#define RCU_ADDCTL_IRC48MCAL BITS(24,31) /*!< internal 48MHz RC oscillator calibration value register */
/* RCU_ADDINT */
#define RCU_ADDINT_IRC48MSTBIF BIT(6) /*!< IRC48M stabilization interrupt flag */
#define RCU_ADDINT_IRC48MSTBIE BIT(14) /*!< internal 48 MHz RC oscillator stabilization interrupt enable */
#define RCU_ADDINT_IRC48MSTBIC BIT(22) /*!< internal 48 MHz RC oscillator stabilization interrupt clear */
/* RCU_ADDAPB1RST */
#define RCU_ADDAPB1RST_CTCRST BIT(27) /*!< CTC reset */
/* RCU_ADDAPB1EN */
#define RCU_ADDAPB1EN_CTCEN BIT(27) /*!< CTC clock enable */
/* constants definitions */
/* define the peripheral clock enable bit position and its register index offset */
#define RCU_REGIDX_BIT(regidx, bitpos) (((uint32_t)(regidx) << 6) | (uint32_t)(bitpos))
#define RCU_REG_VAL(periph) (REG32(RCU + ((uint32_t)(periph) >> 6)))
#define RCU_BIT_POS(val) ((uint32_t)(val) & 0x1FU)
/* register offset */
/* peripherals enable */
#define AHBEN_REG_OFFSET 0x14U /*!< AHB enable register offset */
#define APB1EN_REG_OFFSET 0x1CU /*!< APB1 enable register offset */
#define APB2EN_REG_OFFSET 0x18U /*!< APB2 enable register offset */
#define ADD_APB1EN_REG_OFFSET 0xE4U /*!< APB1 additional enable register offset */
/* peripherals reset */
#define AHBRST_REG_OFFSET 0x28U /*!< AHB reset register offset */
#define APB1RST_REG_OFFSET 0x10U /*!< APB1 reset register offset */
#define APB2RST_REG_OFFSET 0x0CU /*!< APB2 reset register offset */
#define ADD_APB1RST_REG_OFFSET 0xE0U /*!< APB1 additional reset register offset */
#define RSTSCK_REG_OFFSET 0x24U /*!< reset source/clock register offset */
/* clock control */
#define CTL_REG_OFFSET 0x00U /*!< control register offset */
#define BDCTL_REG_OFFSET 0x20U /*!< backup domain control register offset */
#define ADDCTL_REG_OFFSET 0xC0U /*!< additional clock control register offset */
/* clock stabilization and stuck interrupt */
#define INT_REG_OFFSET 0x08U /*!< clock interrupt register offset */
#define ADDINT_REG_OFFSET 0xCCU /*!< additional clock interrupt register offset */
/* configuration register */
#define CFG0_REG_OFFSET 0x04U /*!< clock configuration register 0 offset */
#define CFG1_REG_OFFSET 0x2CU /*!< clock configuration register 1 offset */
/* peripheral clock enable */
typedef enum {
/* AHB peripherals */
RCU_DMA0 = RCU_REGIDX_BIT(AHBEN_REG_OFFSET, 0U), /*!< DMA0 clock */
RCU_DMA1 = RCU_REGIDX_BIT(AHBEN_REG_OFFSET, 1U), /*!< DMA1 clock */
RCU_CRC = RCU_REGIDX_BIT(AHBEN_REG_OFFSET, 6U), /*!< CRC clock */
RCU_EXMC = RCU_REGIDX_BIT(AHBEN_REG_OFFSET, 8U), /*!< EXMC clock */
RCU_USBFS = RCU_REGIDX_BIT(AHBEN_REG_OFFSET, 12U), /*!< USBFS clock */
/* APB1 peripherals */
RCU_TIMER1 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 0U), /*!< TIMER1 clock */
RCU_TIMER2 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 1U), /*!< TIMER2 clock */
RCU_TIMER3 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 2U), /*!< TIMER3 clock */
RCU_TIMER4 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 3U), /*!< TIMER4 clock */
RCU_TIMER5 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 4U), /*!< TIMER5 clock */
RCU_TIMER6 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 5U), /*!< TIMER6 clock */
RCU_TIMER11 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 6U), /*!< TIMER11 clock */
RCU_TIMER12 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 7U), /*!< TIMER12 clock */
RCU_TIMER13 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 8U), /*!< TIMER13 clock */
RCU_WWDGT = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 11U), /*!< WWDGT clock */
RCU_SPI1 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 14U), /*!< SPI1 clock */
RCU_SPI2 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 15U), /*!< SPI2 clock */
RCU_USART1 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 17U), /*!< USART1 clock */
RCU_USART2 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 18U), /*!< USART2 clock */
RCU_UART3 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 19U), /*!< UART3 clock */
RCU_UART4 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 20U), /*!< UART4 clock */
RCU_I2C0 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 21U), /*!< I2C0 clock */
RCU_I2C1 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 22U), /*!< I2C1 clock */
RCU_CAN0 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 25U), /*!< CAN0 clock */
RCU_CAN1 = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 26U), /*!< CAN1 clock */
RCU_BKPI = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 27U), /*!< BKPI clock */
RCU_PMU = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 28U), /*!< PMU clock */
RCU_DAC = RCU_REGIDX_BIT(APB1EN_REG_OFFSET, 29U), /*!< DAC clock */
RCU_RTC = RCU_REGIDX_BIT(BDCTL_REG_OFFSET, 15U), /*!< RTC clock */
RCU_CTC = RCU_REGIDX_BIT(ADD_APB1EN_REG_OFFSET, 27U), /*!< CTC clock */
/* APB2 peripherals */
RCU_AF = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 0U), /*!< alternate function clock */
RCU_GPIOA = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 2U), /*!< GPIOA clock */
RCU_GPIOB = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 3U), /*!< GPIOB clock */
RCU_GPIOC = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 4U), /*!< GPIOC clock */
RCU_GPIOD = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 5U), /*!< GPIOD clock */
RCU_GPIOE = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 6U), /*!< GPIOE clock */
RCU_ADC0 = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 9U), /*!< ADC0 clock */
RCU_ADC1 = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 10U), /*!< ADC1 clock */
RCU_TIMER0 = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 11U), /*!< TIMER0 clock */
RCU_SPI0 = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 12U), /*!< SPI0 clock */
RCU_TIMER7 = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 13U), /*!< TIMER7 clock */
RCU_USART0 = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 14U), /*!< USART0 clock */
RCU_TIMER8 = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 19U), /*!< TIMER8 clock */
RCU_TIMER9 = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 20U), /*!< TIMER9 clock */
RCU_TIMER10 = RCU_REGIDX_BIT(APB2EN_REG_OFFSET, 21U), /*!< TIMER10 clock */
} rcu_periph_enum;
/* peripheral clock enable when sleep mode*/
typedef enum {
/* AHB peripherals */
RCU_SRAM_SLP = RCU_REGIDX_BIT(AHBEN_REG_OFFSET, 2U), /*!< SRAM clock */
RCU_FMC_SLP = RCU_REGIDX_BIT(AHBEN_REG_OFFSET, 4U), /*!< FMC clock */
} rcu_periph_sleep_enum;
/* peripherals reset */
typedef enum {
/* AHB peripherals */
RCU_USBFSRST = RCU_REGIDX_BIT(AHBRST_REG_OFFSET, 12U), /*!< USBFS clock reset */
/* APB1 peripherals */
RCU_TIMER1RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 0U), /*!< TIMER1 clock reset */
RCU_TIMER2RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 1U), /*!< TIMER2 clock reset */
RCU_TIMER3RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 2U), /*!< TIMER3 clock reset */
RCU_TIMER4RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 3U), /*!< TIMER4 clock reset */
RCU_TIMER5RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 4U), /*!< TIMER5 clock reset */
RCU_TIMER6RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 5U), /*!< TIMER6 clock reset */
RCU_TIMER11RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 6U), /*!< TIMER11 clock reset */
RCU_TIMER12RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 7U), /*!< TIMER12 clock reset */
RCU_TIMER13RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 8U), /*!< TIMER13 clock reset */
RCU_WWDGTRST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 11U), /*!< WWDGT clock reset */
RCU_SPI1RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 14U), /*!< SPI1 clock reset */
RCU_SPI2RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 15U), /*!< SPI2 clock reset */
RCU_USART1RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 17U), /*!< USART1 clock reset */
RCU_USART2RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 18U), /*!< USART2 clock reset */
RCU_UART3RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 19U), /*!< UART3 clock reset */
RCU_UART4RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 20U), /*!< UART4 clock reset */
RCU_I2C0RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 21U), /*!< I2C0 clock reset */
RCU_I2C1RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 22U), /*!< I2C1 clock reset */
RCU_CAN0RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 25U), /*!< CAN0 clock reset */
RCU_CAN1RST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 26U), /*!< CAN1 clock reset */
RCU_BKPIRST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 27U), /*!< BKPI clock reset */
RCU_PMURST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 28U), /*!< PMU clock reset */
RCU_DACRST = RCU_REGIDX_BIT(APB1RST_REG_OFFSET, 29U), /*!< DAC clock reset */
RCU_CTCRST = RCU_REGIDX_BIT(ADD_APB1RST_REG_OFFSET, 27U), /*!< RTC clock reset */
/* APB2 peripherals */
RCU_AFRST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 0U), /*!< alternate function clock reset */
RCU_GPIOARST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 2U), /*!< GPIOA clock reset */
RCU_GPIOBRST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 3U), /*!< GPIOB clock reset */
RCU_GPIOCRST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 4U), /*!< GPIOC clock reset */
RCU_GPIODRST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 5U), /*!< GPIOD clock reset */
RCU_GPIOERST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 6U), /*!< GPIOE clock reset */
RCU_ADC0RST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 9U), /*!< ADC0 clock reset */
RCU_ADC1RST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 10U), /*!< ADC1 clock reset */
RCU_TIMER0RST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 11U), /*!< TIMER0 clock reset */
RCU_SPI0RST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 12U), /*!< SPI0 clock reset */
RCU_TIMER7RST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 13U), /*!< TIMER7 clock reset */
RCU_USART0RST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 14U), /*!< USART0 clock reset */
RCU_TIMER8RST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 19U), /*!< TIMER8 clock reset */
RCU_TIMER9RST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 20U), /*!< TIMER9 clock reset */
RCU_TIMER10RST = RCU_REGIDX_BIT(APB2RST_REG_OFFSET, 21U), /*!< TIMER10 clock reset */
} rcu_periph_reset_enum;
/* clock stabilization and peripheral reset flags */
typedef enum {
/* clock stabilization flags */
RCU_FLAG_IRC8MSTB = RCU_REGIDX_BIT(CTL_REG_OFFSET, 1U), /*!< IRC8M stabilization flags */
RCU_FLAG_HXTALSTB = RCU_REGIDX_BIT(CTL_REG_OFFSET, 17U), /*!< HXTAL stabilization flags */
RCU_FLAG_PLLSTB = RCU_REGIDX_BIT(CTL_REG_OFFSET, 25U), /*!< PLL stabilization flags */
RCU_FLAG_PLL1STB = RCU_REGIDX_BIT(CTL_REG_OFFSET, 27U), /*!< PLL1 stabilization flags */
RCU_FLAG_PLL2STB = RCU_REGIDX_BIT(CTL_REG_OFFSET, 29U), /*!< PLL2 stabilization flags */
RCU_FLAG_LXTALSTB = RCU_REGIDX_BIT(BDCTL_REG_OFFSET, 1U), /*!< LXTAL stabilization flags */
RCU_FLAG_IRC40KSTB = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 1U), /*!< IRC40K stabilization flags */
RCU_FLAG_IRC48MSTB = RCU_REGIDX_BIT(ADDCTL_REG_OFFSET, 17U), /*!< IRC48M stabilization flags */
/* reset source flags */
RCU_FLAG_EPRST = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 26U), /*!< external PIN reset flags */
RCU_FLAG_PORRST = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 27U), /*!< power reset flags */
RCU_FLAG_SWRST = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 28U), /*!< software reset flags */
RCU_FLAG_FWDGTRST = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 29U), /*!< FWDGT reset flags */
RCU_FLAG_WWDGTRST = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 30U), /*!< WWDGT reset flags */
RCU_FLAG_LPRST = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 31U), /*!< low-power reset flags */
} rcu_flag_enum;
/* clock stabilization and ckm interrupt flags */
typedef enum {
RCU_INT_FLAG_IRC40KSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 0U), /*!< IRC40K stabilization interrupt flag */
RCU_INT_FLAG_LXTALSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 1U), /*!< LXTAL stabilization interrupt flag */
RCU_INT_FLAG_IRC8MSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 2U), /*!< IRC8M stabilization interrupt flag */
RCU_INT_FLAG_HXTALSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 3U), /*!< HXTAL stabilization interrupt flag */
RCU_INT_FLAG_PLLSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 4U), /*!< PLL stabilization interrupt flag */
RCU_INT_FLAG_PLL1STB = RCU_REGIDX_BIT(INT_REG_OFFSET, 5U), /*!< PLL1 stabilization interrupt flag */
RCU_INT_FLAG_PLL2STB = RCU_REGIDX_BIT(INT_REG_OFFSET, 6U), /*!< PLL2 stabilization interrupt flag */
RCU_INT_FLAG_CKM = RCU_REGIDX_BIT(INT_REG_OFFSET, 7U), /*!< HXTAL clock stuck interrupt flag */
RCU_INT_FLAG_IRC48MSTB = RCU_REGIDX_BIT(ADDINT_REG_OFFSET, 6U), /*!< IRC48M stabilization interrupt flag */
} rcu_int_flag_enum;
/* clock stabilization and stuck interrupt flags clear */
typedef enum {
RCU_INT_FLAG_IRC40KSTB_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 16U), /*!< IRC40K stabilization interrupt flags clear */
RCU_INT_FLAG_LXTALSTB_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 17U), /*!< LXTAL stabilization interrupt flags clear */
RCU_INT_FLAG_IRC8MSTB_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 18U), /*!< IRC8M stabilization interrupt flags clear */
RCU_INT_FLAG_HXTALSTB_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 19U), /*!< HXTAL stabilization interrupt flags clear */
RCU_INT_FLAG_PLLSTB_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 20U), /*!< PLL stabilization interrupt flags clear */
RCU_INT_FLAG_PLL1STB_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 21U), /*!< PLL1 stabilization interrupt flags clear */
RCU_INT_FLAG_PLL2STB_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 22U), /*!< PLL2 stabilization interrupt flags clear */
RCU_INT_FLAG_CKM_CLR = RCU_REGIDX_BIT(INT_REG_OFFSET, 23U), /*!< CKM interrupt flags clear */
RCU_INT_FLAG_IRC48MSTB_CLR = RCU_REGIDX_BIT(ADDINT_REG_OFFSET, 22U), /*!< internal 48 MHz RC oscillator stabilization interrupt clear */
} rcu_int_flag_clear_enum;
/* clock stabilization interrupt enable or disable */
typedef enum {
RCU_INT_IRC40KSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 8U), /*!< IRC40K stabilization interrupt */
RCU_INT_LXTALSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 9U), /*!< LXTAL stabilization interrupt */
RCU_INT_IRC8MSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 10U), /*!< IRC8M stabilization interrupt */
RCU_INT_HXTALSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 11U), /*!< HXTAL stabilization interrupt */
RCU_INT_PLLSTB = RCU_REGIDX_BIT(INT_REG_OFFSET, 12U), /*!< PLL stabilization interrupt */
RCU_INT_PLL1STB = RCU_REGIDX_BIT(INT_REG_OFFSET, 13U), /*!< PLL1 stabilization interrupt */
RCU_INT_PLL2STB = RCU_REGIDX_BIT(INT_REG_OFFSET, 14U), /*!< PLL2 stabilization interrupt */
RCU_INT_IRC48MSTB = RCU_REGIDX_BIT(ADDINT_REG_OFFSET, 14U), /*!< internal 48 MHz RC oscillator stabilization interrupt */
} rcu_int_enum;
/* oscillator types */
typedef enum {
RCU_HXTAL = RCU_REGIDX_BIT(CTL_REG_OFFSET, 16U), /*!< HXTAL */
RCU_LXTAL = RCU_REGIDX_BIT(BDCTL_REG_OFFSET, 0U), /*!< LXTAL */
RCU_IRC8M = RCU_REGIDX_BIT(CTL_REG_OFFSET, 0U), /*!< IRC8M */
RCU_IRC48M = RCU_REGIDX_BIT(ADDCTL_REG_OFFSET, 16U), /*!< IRC48M */
RCU_IRC40K = RCU_REGIDX_BIT(RSTSCK_REG_OFFSET, 0U), /*!< IRC40K */
RCU_PLL_CK = RCU_REGIDX_BIT(CTL_REG_OFFSET, 24U), /*!< PLL */
RCU_PLL1_CK = RCU_REGIDX_BIT(CTL_REG_OFFSET, 26U), /*!< PLL1 */
RCU_PLL2_CK = RCU_REGIDX_BIT(CTL_REG_OFFSET, 28U), /*!< PLL2 */
} rcu_osci_type_enum;
/* rcu clock frequency */
typedef enum {
CK_SYS = 0, /*!< system clock */
CK_AHB, /*!< AHB clock */
CK_APB1, /*!< APB1 clock */
CK_APB2, /*!< APB2 clock */
} rcu_clock_freq_enum;
/* RCU_CFG0 register bit define */
/* system clock source select */
#define CFG0_SCS(regval) (BITS(0,1) & ((uint32_t)(regval) << 0))
#define RCU_CKSYSSRC_IRC8M CFG0_SCS(0) /*!< system clock source select IRC8M */
#define RCU_CKSYSSRC_HXTAL CFG0_SCS(1) /*!< system clock source select HXTAL */
#define RCU_CKSYSSRC_PLL CFG0_SCS(2) /*!< system clock source select PLL */
/* system clock source select status */
#define CFG0_SCSS(regval) (BITS(2,3) & ((uint32_t)(regval) << 2))
#define RCU_SCSS_IRC8M CFG0_SCSS(0) /*!< system clock source select IRC8M */
#define RCU_SCSS_HXTAL CFG0_SCSS(1) /*!< system clock source select HXTAL */
#define RCU_SCSS_PLL CFG0_SCSS(2) /*!< system clock source select PLLP */
/* AHB prescaler selection */
#define CFG0_AHBPSC(regval) (BITS(4,7) & ((uint32_t)(regval) << 4))
#define RCU_AHB_CKSYS_DIV1 CFG0_AHBPSC(0) /*!< AHB prescaler select CK_SYS */
#define RCU_AHB_CKSYS_DIV2 CFG0_AHBPSC(8) /*!< AHB prescaler select CK_SYS/2 */
#define RCU_AHB_CKSYS_DIV4 CFG0_AHBPSC(9) /*!< AHB prescaler select CK_SYS/4 */
#define RCU_AHB_CKSYS_DIV8 CFG0_AHBPSC(10) /*!< AHB prescaler select CK_SYS/8 */
#define RCU_AHB_CKSYS_DIV16 CFG0_AHBPSC(11) /*!< AHB prescaler select CK_SYS/16 */
#define RCU_AHB_CKSYS_DIV64 CFG0_AHBPSC(12) /*!< AHB prescaler select CK_SYS/64 */
#define RCU_AHB_CKSYS_DIV128 CFG0_AHBPSC(13) /*!< AHB prescaler select CK_SYS/128 */
#define RCU_AHB_CKSYS_DIV256 CFG0_AHBPSC(14) /*!< AHB prescaler select CK_SYS/256 */
#define RCU_AHB_CKSYS_DIV512 CFG0_AHBPSC(15) /*!< AHB prescaler select CK_SYS/512 */
/* APB1 prescaler selection */
#define CFG0_APB1PSC(regval) (BITS(8,10) & ((uint32_t)(regval) << 8))
#define RCU_APB1_CKAHB_DIV1 CFG0_APB1PSC(0) /*!< APB1 prescaler select CK_AHB */
#define RCU_APB1_CKAHB_DIV2 CFG0_APB1PSC(4) /*!< APB1 prescaler select CK_AHB/2 */
#define RCU_APB1_CKAHB_DIV4 CFG0_APB1PSC(5) /*!< APB1 prescaler select CK_AHB/4 */
#define RCU_APB1_CKAHB_DIV8 CFG0_APB1PSC(6) /*!< APB1 prescaler select CK_AHB/8 */
#define RCU_APB1_CKAHB_DIV16 CFG0_APB1PSC(7) /*!< APB1 prescaler select CK_AHB/16 */
/* APB2 prescaler selection */
#define CFG0_APB2PSC(regval) (BITS(11,13) & ((uint32_t)(regval) << 11))
#define RCU_APB2_CKAHB_DIV1 CFG0_APB2PSC(0) /*!< APB2 prescaler select CK_AHB */
#define RCU_APB2_CKAHB_DIV2 CFG0_APB2PSC(4) /*!< APB2 prescaler select CK_AHB/2 */
#define RCU_APB2_CKAHB_DIV4 CFG0_APB2PSC(5) /*!< APB2 prescaler select CK_AHB/4 */
#define RCU_APB2_CKAHB_DIV8 CFG0_APB2PSC(6) /*!< APB2 prescaler select CK_AHB/8 */
#define RCU_APB2_CKAHB_DIV16 CFG0_APB2PSC(7) /*!< APB2 prescaler select CK_AHB/16 */
/* ADC prescaler select */
#define RCU_CKADC_CKAPB2_DIV2 ((uint32_t)0x00000000U) /*!< ADC prescaler select CK_APB2/2 */
#define RCU_CKADC_CKAPB2_DIV4 ((uint32_t)0x00000001U) /*!< ADC prescaler select CK_APB2/4 */
#define RCU_CKADC_CKAPB2_DIV6 ((uint32_t)0x00000002U) /*!< ADC prescaler select CK_APB2/6 */
#define RCU_CKADC_CKAPB2_DIV8 ((uint32_t)0x00000003U) /*!< ADC prescaler select CK_APB2/8 */
#define RCU_CKADC_CKAPB2_DIV12 ((uint32_t)0x00000005U) /*!< ADC prescaler select CK_APB2/12 */
#define RCU_CKADC_CKAPB2_DIV16 ((uint32_t)0x00000007U) /*!< ADC prescaler select CK_APB2/16 */
#define RCU_CKADC_CKAHB_DIV3 ((uint32_t)0x00000008U) /*!< ADC prescaler select CK_AHB/3 */
#define RCU_CKADC_CKAHB_DIV5 ((uint32_t)0x00000009U) /*!< ADC prescaler select CK_AHB/5 */
#define RCU_CKADC_CKAHB_DIV7 ((uint32_t)0x0000000AU) /*!< ADC prescaler select CK_AHB/7 */
#define RCU_CKADC_CKAHB_DIV9 ((uint32_t)0x0000000BU) /*!< ADC prescaler select CK_AHB/9 */
/* PLL clock source selection */
#define RCU_PLLSRC_IRC8M_DIV2 ((uint32_t)0x00000000U) /*!< IRC8M/2 clock selected as source clock of PLL */
#define RCU_PLLSRC_HXTAL_IRC48M RCU_CFG0_PLLSEL /*!< HXTAL or IRC48M selected as source clock of PLL */
/* PLL clock multiplication factor */
#define PLLMF_4 RCU_CFG0_PLLMF_4 /* bit 4 of PLLMF */
#define CFG0_PLLMF(regval) (BITS(18,21) & ((uint32_t)(regval) << 18))
#define RCU_PLL_MUL2 CFG0_PLLMF(0) /*!< PLL source clock multiply by 2 */
#define RCU_PLL_MUL3 CFG0_PLLMF(1) /*!< PLL source clock multiply by 3 */
#define RCU_PLL_MUL4 CFG0_PLLMF(2) /*!< PLL source clock multiply by 4 */
#define RCU_PLL_MUL5 CFG0_PLLMF(3) /*!< PLL source clock multiply by 5 */
#define RCU_PLL_MUL6 CFG0_PLLMF(4) /*!< PLL source clock multiply by 6 */
#define RCU_PLL_MUL7 CFG0_PLLMF(5) /*!< PLL source clock multiply by 7 */
#define RCU_PLL_MUL8 CFG0_PLLMF(6) /*!< PLL source clock multiply by 8 */
#define RCU_PLL_MUL9 CFG0_PLLMF(7) /*!< PLL source clock multiply by 9 */
#define RCU_PLL_MUL10 CFG0_PLLMF(8) /*!< PLL source clock multiply by 10 */
#define RCU_PLL_MUL11 CFG0_PLLMF(9) /*!< PLL source clock multiply by 11 */
#define RCU_PLL_MUL12 CFG0_PLLMF(10) /*!< PLL source clock multiply by 12 */
#define RCU_PLL_MUL13 CFG0_PLLMF(11) /*!< PLL source clock multiply by 13 */
#define RCU_PLL_MUL14 CFG0_PLLMF(12) /*!< PLL source clock multiply by 14 */
#define RCU_PLL_MUL6_5 CFG0_PLLMF(13) /*!< PLL source clock multiply by 6.5 */
#define RCU_PLL_MUL16 CFG0_PLLMF(14) /*!< PLL source clock multiply by 16 */
#define RCU_PLL_MUL17 (PLLMF_4 | CFG0_PLLMF(0)) /*!< PLL source clock multiply by 17 */
#define RCU_PLL_MUL18 (PLLMF_4 | CFG0_PLLMF(1)) /*!< PLL source clock multiply by 18 */
#define RCU_PLL_MUL19 (PLLMF_4 | CFG0_PLLMF(2)) /*!< PLL source clock multiply by 19 */
#define RCU_PLL_MUL20 (PLLMF_4 | CFG0_PLLMF(3)) /*!< PLL source clock multiply by 20 */
#define RCU_PLL_MUL21 (PLLMF_4 | CFG0_PLLMF(4)) /*!< PLL source clock multiply by 21 */
#define RCU_PLL_MUL22 (PLLMF_4 | CFG0_PLLMF(5)) /*!< PLL source clock multiply by 22 */
#define RCU_PLL_MUL23 (PLLMF_4 | CFG0_PLLMF(6)) /*!< PLL source clock multiply by 23 */
#define RCU_PLL_MUL24 (PLLMF_4 | CFG0_PLLMF(7)) /*!< PLL source clock multiply by 24 */
#define RCU_PLL_MUL25 (PLLMF_4 | CFG0_PLLMF(8)) /*!< PLL source clock multiply by 25 */
#define RCU_PLL_MUL26 (PLLMF_4 | CFG0_PLLMF(9)) /*!< PLL source clock multiply by 26 */
#define RCU_PLL_MUL27 (PLLMF_4 | CFG0_PLLMF(10)) /*!< PLL source clock multiply by 27 */
#define RCU_PLL_MUL28 (PLLMF_4 | CFG0_PLLMF(11)) /*!< PLL source clock multiply by 28 */
#define RCU_PLL_MUL29 (PLLMF_4 | CFG0_PLLMF(12)) /*!< PLL source clock multiply by 29 */
#define RCU_PLL_MUL30 (PLLMF_4 | CFG0_PLLMF(13)) /*!< PLL source clock multiply by 30 */
#define RCU_PLL_MUL31 (PLLMF_4 | CFG0_PLLMF(14)) /*!< PLL source clock multiply by 31 */
#define USBPSC_2 RCU_CFG0_USBFSPSC_2
/* USBD/USBFS prescaler select */
#define CFG0_USBPSC(regval) (BITS(22,23) & ((uint32_t)(regval) << 22))
#define RCU_CKUSB_CKPLL_DIV1_5 CFG0_USBPSC(0) /*!< USBFS prescaler select CK_PLL/1.5 */
#define RCU_CKUSB_CKPLL_DIV1 CFG0_USBPSC(1) /*!< USBFS prescaler select CK_PLL/1 */
#define RCU_CKUSB_CKPLL_DIV2_5 CFG0_USBPSC(2) /*!< USBFS prescaler select CK_PLL/2.5 */
#define RCU_CKUSB_CKPLL_DIV2 CFG0_USBPSC(3) /*!< USBFS prescaler select CK_PLL/2 */
#define RCU_CKUSB_CKPLL_DIV3 (USBPSC_2 |CFG0_USBPSC(0)) /*!< USBFS prescaler select CK_PLL/3.5 */
#define RCU_CKUSB_CKPLL_DIV3_5 (USBPSC_2 |CFG0_USBPSC(1)) /*!< USBFS prescaler select CK_PLL/3 */
#define RCU_CKUSB_CKPLL_DIV4 (USBPSC_2 |CFG0_USBPSC(2)) /*!< USBFS prescaler select CK_PLL/4 */
/* CKOUT0 Clock source selection */
#define CFG0_CKOUT0SEL(regval) (BITS(24,27) & ((uint32_t)(regval) << 24))
#define RCU_CKOUT0SRC_NONE CFG0_CKOUT0SEL(0) /*!< no clock selected */
#define RCU_CKOUT0SRC_CKSYS CFG0_CKOUT0SEL(4) /*!< system clock selected */
#define RCU_CKOUT0SRC_IRC8M CFG0_CKOUT0SEL(5) /*!< internal 8M RC oscillator clock selected */
#define RCU_CKOUT0SRC_HXTAL CFG0_CKOUT0SEL(6) /*!< high speed crystal oscillator clock (HXTAL) selected */
#define RCU_CKOUT0SRC_CKPLL_DIV2 CFG0_CKOUT0SEL(7) /*!< CK_PLL/2 clock selected */
#define RCU_CKOUT0SRC_CKPLL1 CFG0_CKOUT0SEL(8) /*!< CK_PLL1 clock selected */
#define RCU_CKOUT0SRC_CKPLL2_DIV2 CFG0_CKOUT0SEL(9) /*!< CK_PLL2/2 clock selected */
#define RCU_CKOUT0SRC_CKPLL2 CFG0_CKOUT0SEL(11) /*!< CK_PLL2 clock selected */
#define RCU_CKOUT0SRC_IRC48M CFG0_CKOUT0SEL(12) /*!< IRC48M clock selected */
#define RCU_CKOUT0SRC_IRC48M_DIV8 CFG0_CKOUT0SEL(13) /*!< IRC48M/8 clock selected */
/* LXTAL drive capability */
#define BDCTL_LXTALDRI(regval) (BITS(3,4) & ((uint32_t)(regval) << 3))
#define RCU_LXTAL_LOWDRI BDCTL_LXTALDRI(0) /*!< lower driving capability */
#define RCU_LXTAL_MED_LOWDRI BDCTL_LXTALDRI(1) /*!< medium low driving capability */
#define RCU_LXTAL_MED_HIGHDRI BDCTL_LXTALDRI(2) /*!< medium high driving capability */
#define RCU_LXTAL_HIGHDRI BDCTL_LXTALDRI(3) /*!< higher driving capability */
/* RTC clock entry selection */
#define BDCTL_RTCSRC(regval) (BITS(8,9) & ((uint32_t)(regval) << 8))
#define RCU_RTCSRC_NONE BDCTL_RTCSRC(0) /*!< no clock selected */
#define RCU_RTCSRC_LXTAL BDCTL_RTCSRC(1) /*!< RTC source clock select LXTAL */
#define RCU_RTCSRC_IRC40K BDCTL_RTCSRC(2) /*!< RTC source clock select IRC40K */
#define RCU_RTCSRC_HXTAL_DIV_128 BDCTL_RTCSRC(3) /*!< RTC source clock select HXTAL/128 */
/* PREDV0 division factor */
#define CFG1_PREDV0(regval) (BITS(0,3) & ((uint32_t)(regval) << 0))
#define RCU_PREDV0_DIV1 CFG1_PREDV0(0) /*!< PREDV0 input source clock not divided */
#define RCU_PREDV0_DIV2 CFG1_PREDV0(1) /*!< PREDV0 input source clock divided by 2 */
#define RCU_PREDV0_DIV3 CFG1_PREDV0(2) /*!< PREDV0 input source clock divided by 3 */
#define RCU_PREDV0_DIV4 CFG1_PREDV0(3) /*!< PREDV0 input source clock divided by 4 */
#define RCU_PREDV0_DIV5 CFG1_PREDV0(4) /*!< PREDV0 input source clock divided by 5 */
#define RCU_PREDV0_DIV6 CFG1_PREDV0(5) /*!< PREDV0 input source clock divided by 6 */
#define RCU_PREDV0_DIV7 CFG1_PREDV0(6) /*!< PREDV0 input source clock divided by 7 */
#define RCU_PREDV0_DIV8 CFG1_PREDV0(7) /*!< PREDV0 input source clock divided by 8 */
#define RCU_PREDV0_DIV9 CFG1_PREDV0(8) /*!< PREDV0 input source clock divided by 9 */
#define RCU_PREDV0_DIV10 CFG1_PREDV0(9) /*!< PREDV0 input source clock divided by 10 */
#define RCU_PREDV0_DIV11 CFG1_PREDV0(10) /*!< PREDV0 input source clock divided by 11 */
#define RCU_PREDV0_DIV12 CFG1_PREDV0(11) /*!< PREDV0 input source clock divided by 12 */
#define RCU_PREDV0_DIV13 CFG1_PREDV0(12) /*!< PREDV0 input source clock divided by 13 */
#define RCU_PREDV0_DIV14 CFG1_PREDV0(13) /*!< PREDV0 input source clock divided by 14 */
#define RCU_PREDV0_DIV15 CFG1_PREDV0(14) /*!< PREDV0 input source clock divided by 15 */
#define RCU_PREDV0_DIV16 CFG1_PREDV0(15) /*!< PREDV0 input source clock divided by 16 */
/* PREDV1 division factor */
#define CFG1_PREDV1(regval) (BITS(4,7) & ((uint32_t)(regval) << 4))
#define RCU_PREDV1_DIV1 CFG1_PREDV1(0) /*!< PREDV1 input source clock not divided */
#define RCU_PREDV1_DIV2 CFG1_PREDV1(1) /*!< PREDV1 input source clock divided by 2 */
#define RCU_PREDV1_DIV3 CFG1_PREDV1(2) /*!< PREDV1 input source clock divided by 3 */
#define RCU_PREDV1_DIV4 CFG1_PREDV1(3) /*!< PREDV1 input source clock divided by 4 */
#define RCU_PREDV1_DIV5 CFG1_PREDV1(4) /*!< PREDV1 input source clock divided by 5 */
#define RCU_PREDV1_DIV6 CFG1_PREDV1(5) /*!< PREDV1 input source clock divided by 6 */
#define RCU_PREDV1_DIV7 CFG1_PREDV1(6) /*!< PREDV1 input source clock divided by 7 */
#define RCU_PREDV1_DIV8 CFG1_PREDV1(7) /*!< PREDV1 input source clock divided by 8 */
#define RCU_PREDV1_DIV9 CFG1_PREDV1(8) /*!< PREDV1 input source clock divided by 9 */
#define RCU_PREDV1_DIV10 CFG1_PREDV1(9) /*!< PREDV1 input source clock divided by 10 */
#define RCU_PREDV1_DIV11 CFG1_PREDV1(10) /*!< PREDV1 input source clock divided by 11 */
#define RCU_PREDV1_DIV12 CFG1_PREDV1(11) /*!< PREDV1 input source clock divided by 12 */
#define RCU_PREDV1_DIV13 CFG1_PREDV1(12) /*!< PREDV1 input source clock divided by 13 */
#define RCU_PREDV1_DIV14 CFG1_PREDV1(13) /*!< PREDV1 input source clock divided by 14 */
#define RCU_PREDV1_DIV15 CFG1_PREDV1(14) /*!< PREDV1 input source clock divided by 15 */
#define RCU_PREDV1_DIV16 CFG1_PREDV1(15) /*!< PREDV1 input source clock divided by 16 */
/* PLL1 clock multiplication factor */
#define CFG1_PLL1MF(regval) (BITS(8,11) & ((uint32_t)(regval) << 8))
#define RCU_PLL1_MUL8 CFG1_PLL1MF(6) /*!< PLL1 source clock multiply by 8 */
#define RCU_PLL1_MUL9 CFG1_PLL1MF(7) /*!< PLL1 source clock multiply by 9 */
#define RCU_PLL1_MUL10 CFG1_PLL1MF(8) /*!< PLL1 source clock multiply by 10 */
#define RCU_PLL1_MUL11 CFG1_PLL1MF(9) /*!< PLL1 source clock multiply by 11 */
#define RCU_PLL1_MUL12 CFG1_PLL1MF(10) /*!< PLL1 source clock multiply by 12 */
#define RCU_PLL1_MUL13 CFG1_PLL1MF(11) /*!< PLL1 source clock multiply by 13 */
#define RCU_PLL1_MUL14 CFG1_PLL1MF(12) /*!< PLL1 source clock multiply by 14 */
#define RCU_PLL1_MUL16 CFG1_PLL1MF(14) /*!< PLL1 source clock multiply by 16 */
#define RCU_PLL1_MUL20 CFG1_PLL1MF(15) /*!< PLL1 source clock multiply by 20 */
/* PLL2 clock multiplication factor */
#define CFG1_PLL2MF(regval) (BITS(12,15) & ((uint32_t)(regval) << 12))
#define RCU_PLL2_MUL8 CFG1_PLL2MF(6) /*!< PLL2 source clock multiply by 8 */
#define RCU_PLL2_MUL9 CFG1_PLL2MF(7) /*!< PLL2 source clock multiply by 9 */
#define RCU_PLL2_MUL10 CFG1_PLL2MF(8) /*!< PLL2 source clock multiply by 10 */
#define RCU_PLL2_MUL11 CFG1_PLL2MF(9) /*!< PLL2 source clock multiply by 11 */
#define RCU_PLL2_MUL12 CFG1_PLL2MF(10) /*!< PLL2 source clock multiply by 12 */
#define RCU_PLL2_MUL13 CFG1_PLL2MF(11) /*!< PLL2 source clock multiply by 13 */
#define RCU_PLL2_MUL14 CFG1_PLL2MF(12) /*!< PLL2 source clock multiply by 14 */
#define RCU_PLL2_MUL16 CFG1_PLL2MF(14) /*!< PLL2 source clock multiply by 16 */
#define RCU_PLL2_MUL20 CFG1_PLL2MF(15) /*!< PLL2 source clock multiply by 20 */
/* PREDV0 input clock source selection */
#define RCU_PREDV0SRC_HXTAL_IRC48M ((uint32_t)0x00000000U) /*!< HXTAL or IRC48M selected as PREDV0 input source clock */
#define RCU_PREDV0SRC_CKPLL1 RCU_CFG1_PREDV0SEL /*!< CK_PLL1 selected as PREDV0 input source clock */
/* I2S1 clock source selection */
#define RCU_I2S1SRC_CKSYS ((uint32_t)0x00000000U) /*!< system clock selected as I2S1 source clock */
#define RCU_I2S1SRC_CKPLL2_MUL2 RCU_CFG1_I2S1SEL /*!< (CK_PLL2 x 2) selected as I2S1 source clock */
/* I2S2 clock source selection */
#define RCU_I2S2SRC_CKSYS ((uint32_t)0x00000000U) /*!< system clock selected as I2S2 source clock */
#define RCU_I2S2SRC_CKPLL2_MUL2 RCU_CFG1_I2S2SEL /*!< (CK_PLL2 x 2) selected as I2S2 source clock */
/* PLL input clock source selection */
#define RCU_PLLPRESRC_HXTAL ((uint32_t)0x00000000U) /*!< HXTAL selected as PLL source clock */
#define RCU_PLLPRESRC_IRC48M RCU_CFG1_PLLPRESEL /*!< CK_PLL selected as PREDV0 input source clock */
/* deep-sleep mode voltage */
#define DSV_DSLPVS(regval) (BITS(0,1) & ((uint32_t)(regval) << 0))
#define RCU_DEEPSLEEP_V_1_0 DSV_DSLPVS(0) /*!< core voltage is 1.0V in deep-sleep mode */
#define RCU_DEEPSLEEP_V_0_9 DSV_DSLPVS(1) /*!< core voltage is 0.9V in deep-sleep mode */
#define RCU_DEEPSLEEP_V_0_8 DSV_DSLPVS(2) /*!< core voltage is 0.8V in deep-sleep mode */
#define RCU_DEEPSLEEP_V_1_2 DSV_DSLPVS(3) /*!< core voltage is 1.2V in deep-sleep mode */
/* 48MHz clock selection */
#define RCU_CK48MSRC_CKPLL ((uint32_t)0x00000000U) /*!< use CK_PLL clock */
#define RCU_CK48MSRC_IRC48M RCU_ADDCTL_CK48MSEL /*!< select IRC48M clock */
/* function declarations */
/* deinitialize the RCU */
void rcu_deinit(void);
/* enable the peripherals clock */
void rcu_periph_clock_enable(rcu_periph_enum periph);
/* disable the peripherals clock */
void rcu_periph_clock_disable(rcu_periph_enum periph);
/* enable the peripherals clock when sleep mode */
void rcu_periph_clock_sleep_enable(rcu_periph_sleep_enum periph);
/* disable the peripherals clock when sleep mode */
void rcu_periph_clock_sleep_disable(rcu_periph_sleep_enum periph);
/* reset the peripherals */
void rcu_periph_reset_enable(rcu_periph_reset_enum periph_reset);
/* disable reset the peripheral */
void rcu_periph_reset_disable(rcu_periph_reset_enum periph_reset);
/* reset the BKP domain */
void rcu_bkp_reset_enable(void);
/* disable the BKP domain reset */
void rcu_bkp_reset_disable(void);
/* configure the system clock source */
void rcu_system_clock_source_config(uint32_t ck_sys);
/* get the system clock source */
uint32_t rcu_system_clock_source_get(void);
/* configure the AHB prescaler selection */
void rcu_ahb_clock_config(uint32_t ck_ahb);
/* configure the APB1 prescaler selection */
void rcu_apb1_clock_config(uint32_t ck_apb1);
/* configure the APB2 prescaler selection */
void rcu_apb2_clock_config(uint32_t ck_apb2);
/* configure the CK_OUT0 clock source and divider */
void rcu_ckout0_config(uint32_t ckout0_src);
/* configure the PLL clock source selection and PLL multiply factor */
void rcu_pll_config(uint32_t pll_src, uint32_t pll_mul);
/* configure the PLL clock source preselection */
void rcu_pllpresel_config(uint32_t pll_presel);
/* configure the PREDV0 division factor and clock source */
void rcu_predv0_config(uint32_t predv0_source, uint32_t predv0_div);
/* configure the PREDV1 division factor */
void rcu_predv1_config(uint32_t predv1_div);
/* configure the PLL1 clock */
void rcu_pll1_config(uint32_t pll_mul);
/* configure the PLL2 clock */
void rcu_pll2_config(uint32_t pll_mul);
/* configure the ADC division factor */
void rcu_adc_clock_config(uint32_t adc_psc);
/* configure the USBFS prescaler factor */
void rcu_usb_clock_config(uint32_t usb_psc);
/* configure the RTC clock source selection */
void rcu_rtc_clock_config(uint32_t rtc_clock_source);
/* configure the I2S1 clock source selection */
void rcu_i2s1_clock_config(uint32_t i2s_clock_source);
/* configure the I2S2 clock source selection */
void rcu_i2s2_clock_config(uint32_t i2s_clock_source);
/* configure the CK48M clock selection */
void rcu_ck48m_clock_config(uint32_t ck48m_clock_source);
/* get the clock stabilization and periphral reset flags */
FlagStatus rcu_flag_get(rcu_flag_enum flag);
/* clear the reset flag */
void rcu_all_reset_flag_clear(void);
/* get the clock stabilization interrupt and ckm flags */
FlagStatus rcu_interrupt_flag_get(rcu_int_flag_enum int_flag);
/* clear the interrupt flags */
void rcu_interrupt_flag_clear(rcu_int_flag_clear_enum int_flag_clear);
/* enable the stabilization interrupt */
void rcu_interrupt_enable(rcu_int_enum stab_int);
/* disable the stabilization interrupt */
void rcu_interrupt_disable(rcu_int_enum stab_int);
/* configure the LXTAL drive capability */
void rcu_lxtal_drive_capability_config(uint32_t lxtal_dricap);
/* wait for oscillator stabilization flags is SET or oscillator startup is timeout */
ErrStatus rcu_osci_stab_wait(rcu_osci_type_enum osci);
/* turn on the oscillator */
void rcu_osci_on(rcu_osci_type_enum osci);
/* turn off the oscillator */
void rcu_osci_off(rcu_osci_type_enum osci);
/* enable the oscillator bypass mode, HXTALEN or LXTALEN must be reset before it */
void rcu_osci_bypass_mode_enable(rcu_osci_type_enum osci);
/* disable the oscillator bypass mode, HXTALEN or LXTALEN must be reset before it */
void rcu_osci_bypass_mode_disable(rcu_osci_type_enum osci);
/* enable the HXTAL clock monitor */
void rcu_hxtal_clock_monitor_enable(void);
/* disable the HXTAL clock monitor */
void rcu_hxtal_clock_monitor_disable(void);
/* set the IRC8M adjust value */
void rcu_irc8m_adjust_value_set(uint32_t irc8m_adjval);
/* set the deep sleep mode voltage */
void rcu_deepsleep_voltage_set(uint32_t dsvol);
/* get the system clock, bus and peripheral clock frequency */
uint32_t rcu_clock_freq_get(rcu_clock_freq_enum clock);
#endif /* GD32E10X_RCU_H */

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targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Include/gd32e10x_rtc.h Normal file
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/*!
\file gd32e10x_rtc.h
\brief definitions for the RTC
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_RTC_H
#define GD32E10X_RTC_H
#include "gd32e10x.h"
/* RTC definitions */
#define RTC RTC_BASE
/* registers definitions */
#define RTC_INTEN REG32(RTC + 0x00U) /*!< interrupt enable register */
#define RTC_CTL REG32(RTC + 0x04U) /*!< control register */
#define RTC_PSCH REG32(RTC + 0x08U) /*!< prescaler high register */
#define RTC_PSCL REG32(RTC + 0x0CU) /*!< prescaler low register */
#define RTC_DIVH REG32(RTC + 0x10U) /*!< divider high register */
#define RTC_DIVL REG32(RTC + 0x14U) /*!< divider low register */
#define RTC_CNTH REG32(RTC + 0x18U) /*!< counter high register */
#define RTC_CNTL REG32(RTC + 0x1CU) /*!< counter low register */
#define RTC_ALRMH REG32(RTC + 0x20U) /*!< alarm high register */
#define RTC_ALRML REG32(RTC + 0x24U) /*!< alarm low register */
/* bits definitions */
/* RTC_INTEN */
#define RTC_INTEN_SCIE BIT(0) /*!< second interrupt enable */
#define RTC_INTEN_ALRMIE BIT(1) /*!< alarm interrupt enable */
#define RTC_INTEN_OVIE BIT(2) /*!< overflow interrupt enable */
/* RTC_CTL */
#define RTC_CTL_SCIF BIT(0) /*!< second interrupt flag */
#define RTC_CTL_ALRMIF BIT(1) /*!< alarm interrupt flag */
#define RTC_CTL_OVIF BIT(2) /*!< overflow interrupt flag */
#define RTC_CTL_RSYNF BIT(3) /*!< registers synchronized flag */
#define RTC_CTL_CMF BIT(4) /*!< configuration mode flag */
#define RTC_CTL_LWOFF BIT(5) /*!< last write operation finished flag */
/* RTC_PSCH */
#define RTC_PSCH_PSC BITS(0,3) /*!< prescaler high value */
/* RTC_PSCL */
#define RTC_PSCL_PSC BITS(0,15) /*!< prescaler low value */
/* RTC_DIVH */
#define RTC_DIVH_DIV BITS(0,3) /*!< divider high value */
/* RTC_DIVL */
#define RTC_DIVL_DIV BITS(0,15) /*!< divider low value */
/* RTC_CNTH */
#define RTC_CNTH_CNT BITS(0,15) /*!< counter high value */
/* RTC_CNTL */
#define RTC_CNTL_CNT BITS(0,15) /*!< counter low value */
/* RTC_ALRMH */
#define RTC_ALRMH_ALRM BITS(0,15) /*!< alarm high value */
/* RTC_ALRML */
#define RTC_ALRML_ALRM BITS(0,15) /*!< alarm low value */
/* constants definitions */
/* RTC interrupt enable or disable definitions */
#define RTC_INT_SECOND RTC_INTEN_SCIE /*!< second interrupt enable */
#define RTC_INT_ALARM RTC_INTEN_ALRMIE /*!< alarm interrupt enable */
#define RTC_INT_OVERFLOW RTC_INTEN_OVIE /*!< overflow interrupt enable */
/* RTC interrupt flag definitions */
#define RTC_INT_FLAG_SECOND RTC_CTL_SCIF /*!< second interrupt flag */
#define RTC_INT_FLAG_ALARM RTC_CTL_ALRMIF /*!< alarm interrupt flag */
#define RTC_INT_FLAG_OVERFLOW RTC_CTL_OVIF /*!< overflow interrupt flag */
/* RTC flag definitions */
#define RTC_FLAG_SECOND RTC_CTL_SCIF /*!< second interrupt flag */
#define RTC_FLAG_ALARM RTC_CTL_ALRMIF /*!< alarm interrupt flag */
#define RTC_FLAG_OVERFLOW RTC_CTL_OVIF /*!< overflow interrupt flag */
#define RTC_FLAG_RSYN RTC_CTL_RSYNF /*!< registers synchronized flag */
#define RTC_FLAG_LWOF RTC_CTL_LWOFF /*!< last write operation finished flag */
/* function declarations */
/* initialization functions */
/* enter RTC configuration mode */
void rtc_configuration_mode_enter(void);
/* exit RTC configuration mode */
void rtc_configuration_mode_exit(void);
/* set RTC counter value */
void rtc_counter_set(uint32_t cnt);
/* set RTC prescaler value */
void rtc_prescaler_set(uint32_t psc);
/* operation functions */
/* wait RTC last write operation finished flag set */
void rtc_lwoff_wait(void);
/* wait RTC registers synchronized flag set */
void rtc_register_sync_wait(void);
/* set RTC alarm value */
void rtc_alarm_config(uint32_t alarm);
/* get RTC counter value */
uint32_t rtc_counter_get(void);
/* get RTC divider value */
uint32_t rtc_divider_get(void);
/* flag & interrupt functions */
/* get RTC flag status */
FlagStatus rtc_flag_get(uint32_t flag);
/* clear RTC flag status */
void rtc_flag_clear(uint32_t flag);
/* get RTC interrupt flag status */
FlagStatus rtc_interrupt_flag_get(uint32_t flag);
/* clear RTC interrupt flag status */
void rtc_interrupt_flag_clear(uint32_t flag);
/* enable RTC interrupt */
void rtc_interrupt_enable(uint32_t interrupt);
/* disable RTC interrupt */
void rtc_interrupt_disable(uint32_t interrupt);
#endif /* GD32E10X_RTC_H */

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/*!
\file gd32e10x_spi.h
\brief definitions for the SPI
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_SPI_H
#define GD32E10X_SPI_H
#include "gd32e10x.h"
/* SPIx(x=0,1,2) definitions */
#define SPI0 (SPI_BASE + 0x0000F800U)
#define SPI1 SPI_BASE
#define SPI2 (SPI_BASE + 0x00000400U)
/* SPI registers definitions */
#define SPI_CTL0(spix) REG32((spix) + 0x00U) /*!< SPI control register 0 */
#define SPI_CTL1(spix) REG32((spix) + 0x04U) /*!< SPI control register 1*/
#define SPI_STAT(spix) REG32((spix) + 0x08U) /*!< SPI status register */
#define SPI_DATA(spix) REG32((spix) + 0x0CU) /*!< SPI data register */
#define SPI_CRCPOLY(spix) REG32((spix) + 0x10U) /*!< SPI CRC polynomial register */
#define SPI_RCRC(spix) REG32((spix) + 0x14U) /*!< SPI receive CRC register */
#define SPI_TCRC(spix) REG32((spix) + 0x18U) /*!< SPI transmit CRC register */
#define SPI_I2SCTL(spix) REG32((spix) + 0x1CU) /*!< SPI I2S control register */
#define SPI_I2SPSC(spix) REG32((spix) + 0x20U) /*!< SPI I2S clock prescaler register */
#define SPI_QCTL(spix) REG32((spix) + 0x80U) /*!< SPI quad mode control register(only SPI1) */
/* bits definitions */
/* SPI_CTL0 */
#define SPI_CTL0_CKPH BIT(0) /*!< clock phase selection*/
#define SPI_CTL0_CKPL BIT(1) /*!< clock polarity selection */
#define SPI_CTL0_MSTMOD BIT(2) /*!< master mode enable */
#define SPI_CTL0_PSC BITS(3,5) /*!< master clock prescaler selection */
#define SPI_CTL0_SPIEN BIT(6) /*!< SPI enable*/
#define SPI_CTL0_LF BIT(7) /*!< LSB first mode */
#define SPI_CTL0_SWNSS BIT(8) /*!< NSS pin selection in NSS software mode */
#define SPI_CTL0_SWNSSEN BIT(9) /*!< NSS software mode selection */
#define SPI_CTL0_RO BIT(10) /*!< receive only */
#define SPI_CTL0_FF16 BIT(11) /*!< data frame size */
#define SPI_CTL0_CRCNT BIT(12) /*!< CRC next transfer */
#define SPI_CTL0_CRCEN BIT(13) /*!< CRC calculation enable */
#define SPI_CTL0_BDOEN BIT(14) /*!< bidirectional transmit output enable*/
#define SPI_CTL0_BDEN BIT(15) /*!< bidirectional enable */
/* SPI_CTL1 */
#define SPI_CTL1_DMAREN BIT(0) /*!< receive buffer dma enable */
#define SPI_CTL1_DMATEN BIT(1) /*!< transmit buffer dma enable */
#define SPI_CTL1_NSSDRV BIT(2) /*!< drive NSS output */
#define SPI_CTL1_NSSP BIT(3) /*!< SPI NSS pulse mode enable */
#define SPI_CTL1_TMOD BIT(4) /*!< SPI TI mode enable */
#define SPI_CTL1_ERRIE BIT(5) /*!< errors interrupt enable */
#define SPI_CTL1_RBNEIE BIT(6) /*!< receive buffer not empty interrupt enable */
#define SPI_CTL1_TBEIE BIT(7) /*!< transmit buffer empty interrupt enable */
/* SPI_STAT */
#define SPI_STAT_RBNE BIT(0) /*!< receive buffer not empty */
#define SPI_STAT_TBE BIT(1) /*!< transmit buffer empty */
#define SPI_STAT_I2SCH BIT(2) /*!< I2S channel side */
#define SPI_STAT_TXURERR BIT(3) /*!< I2S transmission underrun error bit */
#define SPI_STAT_CRCERR BIT(4) /*!< SPI CRC error bit */
#define SPI_STAT_CONFERR BIT(5) /*!< SPI configuration error bit */
#define SPI_STAT_RXORERR BIT(6) /*!< SPI reception overrun error bit */
#define SPI_STAT_TRANS BIT(7) /*!< transmitting on-going bit */
#define SPI_STAT_FERR BIT(8) /*!< format error bit */
/* SPI_DATA */
#define SPI_DATA_DATA BITS(0,15) /*!< data transfer register */
/* SPI_CRCPOLY */
#define SPI_CRCPOLY_CRCPOLY BITS(0,15) /*!< CRC polynomial value */
/* SPI_RCRC */
#define SPI_RCRC_RCRC BITS(0,15) /*!< RX CRC value */
/* SPI_TCRC */
#define SPI_TCRC_TCRC BITS(0,15) /*!< TX CRC value */
/* SPI_I2SCTL */
#define SPI_I2SCTL_CHLEN BIT(0) /*!< channel length */
#define SPI_I2SCTL_DTLEN BITS(1,2) /*!< data length */
#define SPI_I2SCTL_CKPL BIT(3) /*!< idle state clock polarity */
#define SPI_I2SCTL_I2SSTD BITS(4,5) /*!< I2S standard selection */
#define SPI_I2SCTL_PCMSMOD BIT(7) /*!< PCM frame synchronization mode */
#define SPI_I2SCTL_I2SOPMOD BITS(8,9) /*!< I2S operation mode */
#define SPI_I2SCTL_I2SEN BIT(10) /*!< I2S enable */
#define SPI_I2SCTL_I2SSEL BIT(11) /*!< I2S mode selection */
/* SPI_I2SPSC */
#define SPI_I2SPSC_DIV BITS(0,7) /*!< dividing factor for the prescaler */
#define SPI_I2SPSC_OF BIT(8) /*!< odd factor for the prescaler */
#define SPI_I2SPSC_MCKOEN BIT(9) /*!< I2S MCK output enable */
/* SPI_QCTL(only for SPI1) */
#define SPI_QCTL_QMOD BIT(0) /*!< quad-SPI mode enable */
#define SPI_QCTL_QRD BIT(1) /*!< quad-SPI mode read select */
#define SPI_QCTL_IO23_DRV BIT(2) /*!< drive SPI_IO2 and SPI_IO3 enable */
/* constants definitions */
/* SPI and I2S parameter struct definitions */
typedef struct {
uint32_t device_mode; /*!< SPI master or slave */
uint32_t trans_mode; /*!< SPI transtype */
uint32_t frame_size; /*!< SPI frame size */
uint32_t nss; /*!< SPI NSS control by handware or software */
uint32_t endian; /*!< SPI big endian or little endian */
uint32_t clock_polarity_phase; /*!< SPI clock phase and polarity */
uint32_t prescale; /*!< SPI prescale factor */
} spi_parameter_struct;
/* SPI mode definitions */
#define SPI_MASTER (SPI_CTL0_MSTMOD | SPI_CTL0_SWNSS) /*!< SPI as master */
#define SPI_SLAVE ((uint32_t)0x00000000U) /*!< SPI as slave */
/* SPI bidirectional transfer direction */
#define SPI_BIDIRECTIONAL_TRANSMIT SPI_CTL0_BDOEN /*!< SPI work in transmit-only mode */
#define SPI_BIDIRECTIONAL_RECEIVE (~SPI_CTL0_BDOEN) /*!< SPI work in receive-only mode */
/* SPI transmit type */
#define SPI_TRANSMODE_FULLDUPLEX ((uint32_t)0x00000000U) /*!< SPI receive and send data at fullduplex communication */
#define SPI_TRANSMODE_RECEIVEONLY SPI_CTL0_RO /*!< SPI only receive data */
#define SPI_TRANSMODE_BDRECEIVE SPI_CTL0_BDEN /*!< bidirectional receive data */
#define SPI_TRANSMODE_BDTRANSMIT (SPI_CTL0_BDEN | SPI_CTL0_BDOEN) /*!< bidirectional transmit data*/
/* SPI frame size */
#define SPI_FRAMESIZE_16BIT SPI_CTL0_FF16 /*!< SPI frame size is 16 bits */
#define SPI_FRAMESIZE_8BIT ((uint32_t)0x00000000U) /*!< SPI frame size is 8 bits */
/* SPI NSS control mode */
#define SPI_NSS_SOFT SPI_CTL0_SWNSSEN /*!< SPI NSS control by sofrware */
#define SPI_NSS_HARD ((uint32_t)0x00000000U) /*!< SPI NSS control by hardware */
/* SPI transmit way */
#define SPI_ENDIAN_MSB ((uint32_t)0x00000000U) /*!< SPI transmit way is big endian: transmit MSB first */
#define SPI_ENDIAN_LSB SPI_CTL0_LF /*!< SPI transmit way is little endian: transmit LSB first */
/* SPI clock phase and polarity */
#define SPI_CK_PL_LOW_PH_1EDGE ((uint32_t)0x00000000U) /*!< SPI clock polarity is low level and phase is first edge */
#define SPI_CK_PL_HIGH_PH_1EDGE SPI_CTL0_CKPL /*!< SPI clock polarity is high level and phase is first edge */
#define SPI_CK_PL_LOW_PH_2EDGE SPI_CTL0_CKPH /*!< SPI clock polarity is low level and phase is second edge */
#define SPI_CK_PL_HIGH_PH_2EDGE (SPI_CTL0_CKPL | SPI_CTL0_CKPH) /*!< SPI clock polarity is high level and phase is second edge */
/* SPI clock prescale factor */
#define CTL0_PSC(regval) (BITS(3,5) & ((uint32_t)(regval) << 3))
#define SPI_PSC_2 CTL0_PSC(0) /*!< SPI clock prescale factor is 2 */
#define SPI_PSC_4 CTL0_PSC(1) /*!< SPI clock prescale factor is 4 */
#define SPI_PSC_8 CTL0_PSC(2) /*!< SPI clock prescale factor is 8 */
#define SPI_PSC_16 CTL0_PSC(3) /*!< SPI clock prescale factor is 16 */
#define SPI_PSC_32 CTL0_PSC(4) /*!< SPI clock prescale factor is 32 */
#define SPI_PSC_64 CTL0_PSC(5) /*!< SPI clock prescale factor is 64 */
#define SPI_PSC_128 CTL0_PSC(6) /*!< SPI clock prescale factor is 128 */
#define SPI_PSC_256 CTL0_PSC(7) /*!< SPI clock prescale factor is 256 */
/* I2S audio sample rate */
#define I2S_AUDIOSAMPLE_8K ((uint32_t)8000U) /*!< I2S audio sample rate is 8KHz */
#define I2S_AUDIOSAMPLE_11K ((uint32_t)11025U) /*!< I2S audio sample rate is 11KHz */
#define I2S_AUDIOSAMPLE_16K ((uint32_t)16000U) /*!< I2S audio sample rate is 16KHz */
#define I2S_AUDIOSAMPLE_22K ((uint32_t)22050U) /*!< I2S audio sample rate is 22KHz */
#define I2S_AUDIOSAMPLE_32K ((uint32_t)32000U) /*!< I2S audio sample rate is 32KHz */
#define I2S_AUDIOSAMPLE_44K ((uint32_t)44100U) /*!< I2S audio sample rate is 44KHz */
#define I2S_AUDIOSAMPLE_48K ((uint32_t)48000U) /*!< I2S audio sample rate is 48KHz */
#define I2S_AUDIOSAMPLE_96K ((uint32_t)96000U) /*!< I2S audio sample rate is 96KHz */
#define I2S_AUDIOSAMPLE_192K ((uint32_t)192000U) /*!< I2S audio sample rate is 192KHz */
/* I2S frame format */
#define I2SCTL_DTLEN(regval) (BITS(1,2) & ((uint32_t)(regval) << 1))
#define I2S_FRAMEFORMAT_DT16B_CH16B I2SCTL_DTLEN(0) /*!< I2S data length is 16 bit and channel length is 16 bit */
#define I2S_FRAMEFORMAT_DT16B_CH32B (I2SCTL_DTLEN(0) | SPI_I2SCTL_CHLEN) /*!< I2S data length is 16 bit and channel length is 32 bit */
#define I2S_FRAMEFORMAT_DT24B_CH32B (I2SCTL_DTLEN(1) | SPI_I2SCTL_CHLEN) /*!< I2S data length is 24 bit and channel length is 32 bit */
#define I2S_FRAMEFORMAT_DT32B_CH32B (I2SCTL_DTLEN(2) | SPI_I2SCTL_CHLEN) /*!< I2S data length is 32 bit and channel length is 32 bit */
/* I2S master clock output */
#define I2S_MCKOUT_DISABLE ((uint32_t)0x00000000U) /*!< I2S master clock output disable */
#define I2S_MCKOUT_ENABLE SPI_I2SPSC_MCKOEN /*!< I2S master clock output enable */
/* I2S operation mode */
#define I2SCTL_I2SOPMOD(regval) (BITS(8,9) & ((uint32_t)(regval) << 8))
#define I2S_MODE_SLAVETX I2SCTL_I2SOPMOD(0) /*!< I2S slave transmit mode */
#define I2S_MODE_SLAVERX I2SCTL_I2SOPMOD(1) /*!< I2S slave receive mode */
#define I2S_MODE_MASTERTX I2SCTL_I2SOPMOD(2) /*!< I2S master transmit mode */
#define I2S_MODE_MASTERRX I2SCTL_I2SOPMOD(3) /*!< I2S master receive mode */
/* I2S standard */
#define I2SCTL_I2SSTD(regval) (BITS(4,5) & ((uint32_t)(regval) << 4))
#define I2S_STD_PHILLIPS I2SCTL_I2SSTD(0) /*!< I2S phillips standard */
#define I2S_STD_MSB I2SCTL_I2SSTD(1) /*!< I2S MSB standard */
#define I2S_STD_LSB I2SCTL_I2SSTD(2) /*!< I2S LSB standard */
#define I2S_STD_PCMSHORT I2SCTL_I2SSTD(3) /*!< I2S PCM short standard */
#define I2S_STD_PCMLONG (I2SCTL_I2SSTD(3) | SPI_I2SCTL_PCMSMOD) /*!< I2S PCM long standard */
/* I2S clock polarity */
#define I2S_CKPL_LOW ((uint32_t)0x00000000U) /*!< I2S clock polarity low level */
#define I2S_CKPL_HIGH SPI_I2SCTL_CKPL /*!< I2S clock polarity high level */
/* SPI DMA constants definitions */
#define SPI_DMA_TRANSMIT ((uint8_t)0x00U) /*!< SPI transmit data use DMA */
#define SPI_DMA_RECEIVE ((uint8_t)0x01U) /*!< SPI receive data use DMA */
/* SPI CRC constants definitions */
#define SPI_CRC_TX ((uint8_t)0x00U) /*!< SPI transmit CRC value */
#define SPI_CRC_RX ((uint8_t)0x01U) /*!< SPI receive CRC value */
/* SPI/I2S interrupt enable/disable constants definitions */
#define SPI_I2S_INT_TBE ((uint8_t)0x00U) /*!< transmit buffer empty interrupt */
#define SPI_I2S_INT_RBNE ((uint8_t)0x01U) /*!< receive buffer not empty interrupt */
#define SPI_I2S_INT_ERR ((uint8_t)0x02U) /*!< error interrupt */
/* SPI/I2S interrupt flag constants definitions */
#define SPI_I2S_INT_FLAG_TBE ((uint8_t)0x00U) /*!< transmit buffer empty interrupt flag */
#define SPI_I2S_INT_FLAG_RBNE ((uint8_t)0x01U) /*!< receive buffer not empty interrupt flag */
#define SPI_I2S_INT_FLAG_RXORERR ((uint8_t)0x02U) /*!< overrun interrupt flag */
#define SPI_INT_FLAG_CONFERR ((uint8_t)0x03U) /*!< config error interrupt flag */
#define SPI_INT_FLAG_CRCERR ((uint8_t)0x04U) /*!< CRC error interrupt flag */
#define I2S_INT_FLAG_TXURERR ((uint8_t)0x05U) /*!< underrun error interrupt flag */
#define SPI_I2S_INT_FLAG_FERR ((uint8_t)0x06U) /*!< format error interrupt flag */
/* SPI/I2S flag definitions */
#define SPI_FLAG_RBNE SPI_STAT_RBNE /*!< receive buffer not empty flag */
#define SPI_FLAG_TBE SPI_STAT_TBE /*!< transmit buffer empty flag */
#define SPI_FLAG_CRCERR SPI_STAT_CRCERR /*!< CRC error flag */
#define SPI_FLAG_CONFERR SPI_STAT_CONFERR /*!< mode config error flag */
#define SPI_FLAG_RXORERR SPI_STAT_RXORERR /*!< receive overrun error flag */
#define SPI_FLAG_TRANS SPI_STAT_TRANS /*!< transmit on-going flag */
#define SPI_FLAG_FERR SPI_STAT_FERR /*!< format error interrupt flag */
#define I2S_FLAG_RBNE SPI_STAT_RBNE /*!< receive buffer not empty flag */
#define I2S_FLAG_TBE SPI_STAT_TBE /*!< transmit buffer empty flag */
#define I2S_FLAG_CH SPI_STAT_I2SCH /*!< channel side flag */
#define I2S_FLAG_TXURERR SPI_STAT_TXURERR /*!< underrun error flag */
#define I2S_FLAG_RXORERR SPI_STAT_RXORERR /*!< overrun error flag */
#define I2S_FLAG_TRANS SPI_STAT_TRANS /*!< transmit on-going flag */
#define I2S_FLAG_FERR SPI_STAT_FERR /*!< format error interrupt flag */
/* function declarations */
/* SPI/I2S deinitialization and initialization functions */
/* reset SPI and I2S */
void spi_i2s_deinit(uint32_t spi_periph);
/* initialize the parameters of SPI struct with the default values */
void spi_struct_para_init(spi_parameter_struct *spi_struct);
/* initialize SPI parameter */
#ifdef GD_MBED_USED
void spi_para_init(uint32_t spi_periph, spi_parameter_struct *spi_struct);
#else
void spi_init(uint32_t spi_periph, spi_parameter_struct *spi_struct);
#endif
/* enable SPI */
void spi_enable(uint32_t spi_periph);
/* disable SPI */
void spi_disable(uint32_t spi_periph);
/* initialize I2S parameter */
void i2s_init(uint32_t spi_periph, uint32_t mode, uint32_t standard, uint32_t ckpl);
/* configure I2S prescaler */
void i2s_psc_config(uint32_t spi_periph, uint32_t audiosample, uint32_t frameformat, uint32_t mckout);
/* enable I2S */
void i2s_enable(uint32_t spi_periph);
/* disable I2S */
void i2s_disable(uint32_t spi_periph);
/* NSS functions */
/* enable SPI NSS output */
void spi_nss_output_enable(uint32_t spi_periph);
/* disable SPI NSS output */
void spi_nss_output_disable(uint32_t spi_periph);
/* SPI NSS pin high level in software mode */
void spi_nss_internal_high(uint32_t spi_periph);
/* SPI NSS pin low level in software mode */
void spi_nss_internal_low(uint32_t spi_periph);
/* enable SPI DMA */
void spi_dma_enable(uint32_t spi_periph, uint8_t dma);
/* disable SPI DMA */
void spi_dma_disable(uint32_t spi_periph, uint8_t dma);
/* configure SPI/I2S data frame format */
void spi_i2s_data_frame_format_config(uint32_t spi_periph, uint16_t frame_format);
/* SPI transmit data */
void spi_i2s_data_transmit(uint32_t spi_periph, uint16_t data);
/* SPI receive data */
uint16_t spi_i2s_data_receive(uint32_t spi_periph);
/* configure SPI bidirectional transfer direction */
void spi_bidirectional_transfer_config(uint32_t spi_periph, uint32_t transfer_direction);
/* SPI CRC functions */
/* set SPI CRC polynomial */
void spi_crc_polynomial_set(uint32_t spi_periph, uint16_t crc_poly);
/* get SPI CRC polynomial */
uint16_t spi_crc_polynomial_get(uint32_t spi_periph);
/* turn on SPI CRC function */
void spi_crc_on(uint32_t spi_periph);
/* turn off SPI CRC function */
void spi_crc_off(uint32_t spi_periph);
/* SPI next data is CRC value */
void spi_crc_next(uint32_t spi_periph);
/* get SPI CRC send value or receive value */
uint16_t spi_crc_get(uint32_t spi_periph, uint8_t crc);
/* SPI TI mode functions */
/* enable SPI TI mode */
void spi_ti_mode_enable(uint32_t spi_periph);
/* disable SPI TI mode */
void spi_ti_mode_disable(uint32_t spi_periph);
/* SPI NSS pulse mode functions */
/* enable SPI NSS pulse mode */
void spi_nssp_mode_enable(uint32_t spi_periph);
/* disable SPI NSS pulse mode */
void spi_nssp_mode_disable(uint32_t spi_periph);
/* quad wire SPI functions */
/* enable quad wire SPI */
void qspi_enable(uint32_t spi_periph);
/* disable quad wire SPI */
void qspi_disable(uint32_t spi_periph);
/* enable quad wire SPI write */
void qspi_write_enable(uint32_t spi_periph);
/* enable quad wire SPI read */
void qspi_read_enable(uint32_t spi_periph);
/* enable quad wire SPI_IO2 and SPI_IO3 pin output */
void qspi_io23_output_enable(uint32_t spi_periph);
/* disable quad wire SPI_IO2 and SPI_IO3 pin output */
void qspi_io23_output_disable(uint32_t spi_periph);
/* flag and interrupt functions */
/* enable SPI and I2S interrupt */
void spi_i2s_interrupt_enable(uint32_t spi_periph, uint8_t interrupt);
/* disable SPI and I2S interrupt */
void spi_i2s_interrupt_disable(uint32_t spi_periph, uint8_t interrupt);
/* get SPI and I2S interrupt status */
FlagStatus spi_i2s_interrupt_flag_get(uint32_t spi_periph, uint8_t interrupt);
/* get SPI and I2S flag status */
FlagStatus spi_i2s_flag_get(uint32_t spi_periph, uint32_t flag);
/* clear SPI CRC error flag status */
void spi_crc_error_clear(uint32_t spi_periph);
#endif /* GD32E10X_SPI_H */

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/*!
\file gd32e10x_timer.h
\brief definitions for the TIMER
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_TIMER_H
#define GD32E10X_TIMER_H
#include "gd32e10x.h"
/* TIMERx(x=0..13) definitions */
#define TIMER0 (TIMER_BASE + 0x00012C00U)
#define TIMER1 (TIMER_BASE + 0x00000000U)
#define TIMER2 (TIMER_BASE + 0x00000400U)
#define TIMER3 (TIMER_BASE + 0x00000800U)
#define TIMER4 (TIMER_BASE + 0x00000C00U)
#define TIMER5 (TIMER_BASE + 0x00001000U)
#define TIMER6 (TIMER_BASE + 0x00001400U)
#define TIMER7 (TIMER_BASE + 0x00013400U)
#define TIMER8 (TIMER_BASE + 0x00014C00U)
#define TIMER9 (TIMER_BASE + 0x00015000U)
#define TIMER10 (TIMER_BASE + 0x00015400U)
#define TIMER11 (TIMER_BASE + 0x00001800U)
#define TIMER12 (TIMER_BASE + 0x00001C00U)
#define TIMER13 (TIMER_BASE + 0x00002000U)
/* registers definitions */
#define TIMER_CTL0(timerx) REG32((timerx) + 0x00U) /*!< TIMER control register 0 */
#define TIMER_CTL1(timerx) REG32((timerx) + 0x04U) /*!< TIMER control register 1 */
#define TIMER_SMCFG(timerx) REG32((timerx) + 0x08U) /*!< TIMER slave mode configuration register */
#define TIMER_DMAINTEN(timerx) REG32((timerx) + 0x0CU) /*!< TIMER DMA and interrupt enable register */
#define TIMER_INTF(timerx) REG32((timerx) + 0x10U) /*!< TIMER interrupt flag register */
#define TIMER_SWEVG(timerx) REG32((timerx) + 0x14U) /*!< TIMER software event generation register */
#define TIMER_CHCTL0(timerx) REG32((timerx) + 0x18U) /*!< TIMER channel control register 0 */
#define TIMER_CHCTL1(timerx) REG32((timerx) + 0x1CU) /*!< TIMER channel control register 1 */
#define TIMER_CHCTL2(timerx) REG32((timerx) + 0x20U) /*!< TIMER channel control register 2 */
#define TIMER_CNT(timerx) REG32((timerx) + 0x24U) /*!< TIMER counter register */
#define TIMER_PSC(timerx) REG32((timerx) + 0x28U) /*!< TIMER prescaler register */
#define TIMER_CAR(timerx) REG32((timerx) + 0x2CU) /*!< TIMER counter auto reload register */
#define TIMER_CREP(timerx) REG32((timerx) + 0x30U) /*!< TIMER counter repetition register */
#define TIMER_CH0CV(timerx) REG32((timerx) + 0x34U) /*!< TIMER channel 0 capture/compare value register */
#define TIMER_CH1CV(timerx) REG32((timerx) + 0x38U) /*!< TIMER channel 1 capture/compare value register */
#define TIMER_CH2CV(timerx) REG32((timerx) + 0x3CU) /*!< TIMER channel 2 capture/compare value register */
#define TIMER_CH3CV(timerx) REG32((timerx) + 0x40U) /*!< TIMER channel 3 capture/compare value register */
#define TIMER_CCHP(timerx) REG32((timerx) + 0x44U) /*!< TIMER channel complementary protection register */
#define TIMER_DMACFG(timerx) REG32((timerx) + 0x48U) /*!< TIMER DMA configuration register */
#define TIMER_DMATB(timerx) REG32((timerx) + 0x4CU) /*!< TIMER DMA transfer buffer register */
#define TIMER_CFG(timerx) REG32((timerx) + 0xFCU) /*!< TIMER configuration register */
/* bits definitions */
/* TIMER_CTL0 */
#define TIMER_CTL0_CEN BIT(0) /*!< TIMER counter enable */
#define TIMER_CTL0_UPDIS BIT(1) /*!< update disable */
#define TIMER_CTL0_UPS BIT(2) /*!< update source */
#define TIMER_CTL0_SPM BIT(3) /*!< single pulse mode */
#define TIMER_CTL0_DIR BIT(4) /*!< timer counter direction */
#define TIMER_CTL0_CAM BITS(5,6) /*!< center-aligned mode selection */
#define TIMER_CTL0_ARSE BIT(7) /*!< auto-reload shadow enable */
#define TIMER_CTL0_CKDIV BITS(8,9) /*!< clock division */
/* TIMER_CTL1 */
#define TIMER_CTL1_CCSE BIT(0) /*!< commutation control shadow enable */
#define TIMER_CTL1_CCUC BIT(2) /*!< commutation control shadow register update control */
#define TIMER_CTL1_DMAS BIT(3) /*!< DMA request source selection */
#define TIMER_CTL1_MMC BITS(4,6) /*!< master mode control */
#define TIMER_CTL1_TI0S BIT(7) /*!< channel 0 trigger input selection(hall mode selection) */
#define TIMER_CTL1_ISO0 BIT(8) /*!< idle state of channel 0 output */
#define TIMER_CTL1_ISO0N BIT(9) /*!< idle state of channel 0 complementary output */
#define TIMER_CTL1_ISO1 BIT(10) /*!< idle state of channel 1 output */
#define TIMER_CTL1_ISO1N BIT(11) /*!< idle state of channel 1 complementary output */
#define TIMER_CTL1_ISO2 BIT(12) /*!< idle state of channel 2 output */
#define TIMER_CTL1_ISO2N BIT(13) /*!< idle state of channel 2 complementary output */
#define TIMER_CTL1_ISO3 BIT(14) /*!< idle state of channel 3 output */
/* TIMER_SMCFG */
#define TIMER_SMCFG_SMC BITS(0,2) /*!< slave mode control */
#define TIMER_SMCFG_TRGS BITS(4,6) /*!< trigger selection */
#define TIMER_SMCFG_MSM BIT(7) /*!< master-slave mode */
#define TIMER_SMCFG_ETFC BITS(8,11) /*!< external trigger filter control */
#define TIMER_SMCFG_ETPSC BITS(12,13) /*!< external trigger prescaler */
#define TIMER_SMCFG_SMC1 BIT(14) /*!< part of SMC for enable external clock mode 1 */
#define TIMER_SMCFG_ETP BIT(15) /*!< external trigger polarity */
/* TIMER_DMAINTEN */
#define TIMER_DMAINTEN_UPIE BIT(0) /*!< update interrupt enable */
#define TIMER_DMAINTEN_CH0IE BIT(1) /*!< channel 0 capture/compare interrupt enable */
#define TIMER_DMAINTEN_CH1IE BIT(2) /*!< channel 1 capture/compare interrupt enable */
#define TIMER_DMAINTEN_CH2IE BIT(3) /*!< channel 2 capture/compare interrupt enable */
#define TIMER_DMAINTEN_CH3IE BIT(4) /*!< channel 3 capture/compare interrupt enable */
#define TIMER_DMAINTEN_CMTIE BIT(5) /*!< commutation interrupt request enable */
#define TIMER_DMAINTEN_TRGIE BIT(6) /*!< trigger interrupt enable */
#define TIMER_DMAINTEN_BRKIE BIT(7) /*!< break interrupt enable */
#define TIMER_DMAINTEN_UPDEN BIT(8) /*!< update DMA request enable */
#define TIMER_DMAINTEN_CH0DEN BIT(9) /*!< channel 0 capture/compare DMA request enable */
#define TIMER_DMAINTEN_CH1DEN BIT(10) /*!< channel 1 capture/compare DMA request enable */
#define TIMER_DMAINTEN_CH2DEN BIT(11) /*!< channel 2 capture/compare DMA request enable */
#define TIMER_DMAINTEN_CH3DEN BIT(12) /*!< channel 3 capture/compare DMA request enable */
#define TIMER_DMAINTEN_CMTDEN BIT(13) /*!< commutation DMA request enable */
#define TIMER_DMAINTEN_TRGDEN BIT(14) /*!< trigger DMA request enable */
/* TIMER_INTF */
#define TIMER_INTF_UPIF BIT(0) /*!< update interrupt flag */
#define TIMER_INTF_CH0IF BIT(1) /*!< channel 0 capture/compare interrupt flag */
#define TIMER_INTF_CH1IF BIT(2) /*!< channel 1 capture/compare interrupt flag */
#define TIMER_INTF_CH2IF BIT(3) /*!< channel 2 capture/compare interrupt flag */
#define TIMER_INTF_CH3IF BIT(4) /*!< channel 3 capture/compare interrupt flag */
#define TIMER_INTF_CMTIF BIT(5) /*!< channel commutation interrupt flag */
#define TIMER_INTF_TRGIF BIT(6) /*!< trigger interrupt flag */
#define TIMER_INTF_BRKIF BIT(7) /*!< break interrupt flag */
#define TIMER_INTF_CH0OF BIT(9) /*!< channel 0 over capture flag */
#define TIMER_INTF_CH1OF BIT(10) /*!< channel 1 over capture flag */
#define TIMER_INTF_CH2OF BIT(11) /*!< channel 2 over capture flag */
#define TIMER_INTF_CH3OF BIT(12) /*!< channel 3 over capture flag */
/* TIMER_SWEVG */
#define TIMER_SWEVG_UPG BIT(0) /*!< update event generate */
#define TIMER_SWEVG_CH0G BIT(1) /*!< channel 0 capture or compare event generation */
#define TIMER_SWEVG_CH1G BIT(2) /*!< channel 1 capture or compare event generation */
#define TIMER_SWEVG_CH2G BIT(3) /*!< channel 2 capture or compare event generation */
#define TIMER_SWEVG_CH3G BIT(4) /*!< channel 3 capture or compare event generation */
#define TIMER_SWEVG_CMTG BIT(5) /*!< channel commutation event generation */
#define TIMER_SWEVG_TRGG BIT(6) /*!< trigger event generation */
#define TIMER_SWEVG_BRKG BIT(7) /*!< break event generation */
/* TIMER_CHCTL0 */
/* output compare mode */
#define TIMER_CHCTL0_CH0MS BITS(0,1) /*!< channel 0 mode selection */
#define TIMER_CHCTL0_CH0COMFEN BIT(2) /*!< channel 0 output compare fast enable */
#define TIMER_CHCTL0_CH0COMSEN BIT(3) /*!< channel 0 output compare shadow enable */
#define TIMER_CHCTL0_CH0COMCTL BITS(4,6) /*!< channel 0 output compare control */
#define TIMER_CHCTL0_CH0COMCEN BIT(7) /*!< channel 0 output compare clear enable */
#define TIMER_CHCTL0_CH1MS BITS(8,9) /*!< channel 1 mode selection */
#define TIMER_CHCTL0_CH1COMFEN BIT(10) /*!< channel 1 output compare fast enable */
#define TIMER_CHCTL0_CH1COMSEN BIT(11) /*!< channel 1 output compare shadow enable */
#define TIMER_CHCTL0_CH1COMCTL BITS(12,14) /*!< channel 1 output compare control */
#define TIMER_CHCTL0_CH1COMCEN BIT(15) /*!< channel 1 output compare clear enable */
/* input capture mode */
#define TIMER_CHCTL0_CH0CAPPSC BITS(2,3) /*!< channel 0 input capture prescaler */
#define TIMER_CHCTL0_CH0CAPFLT BITS(4,7) /*!< channel 0 input capture filter control */
#define TIMER_CHCTL0_CH1CAPPSC BITS(10,11) /*!< channel 1 input capture prescaler */
#define TIMER_CHCTL0_CH1CAPFLT BITS(12,15) /*!< channel 1 input capture filter control */
/* TIMER_CHCTL1 */
/* output compare mode */
#define TIMER_CHCTL1_CH2MS BITS(0,1) /*!< channel 2 mode selection */
#define TIMER_CHCTL1_CH2COMFEN BIT(2) /*!< channel 2 output compare fast enable */
#define TIMER_CHCTL1_CH2COMSEN BIT(3) /*!< channel 2 output compare shadow enable */
#define TIMER_CHCTL1_CH2COMCTL BITS(4,6) /*!< channel 2 output compare control */
#define TIMER_CHCTL1_CH2COMCEN BIT(7) /*!< channel 2 output compare clear enable */
#define TIMER_CHCTL1_CH3MS BITS(8,9) /*!< channel 3 mode selection */
#define TIMER_CHCTL1_CH3COMFEN BIT(10) /*!< channel 3 output compare fast enable */
#define TIMER_CHCTL1_CH3COMSEN BIT(11) /*!< channel 3 output compare shadow enable */
#define TIMER_CHCTL1_CH3COMCTL BITS(12,14) /*!< channel 3 output compare control */
#define TIMER_CHCTL1_CH3COMCEN BIT(15) /*!< channel 3 output compare clear enable */
/* input capture mode */
#define TIMER_CHCTL1_CH2CAPPSC BITS(2,3) /*!< channel 2 input capture prescaler */
#define TIMER_CHCTL1_CH2CAPFLT BITS(4,7) /*!< channel 2 input capture filter control */
#define TIMER_CHCTL1_CH3CAPPSC BITS(10,11) /*!< channel 3 input capture prescaler */
#define TIMER_CHCTL1_CH3CAPFLT BITS(12,15) /*!< channel 3 input capture filter control */
/* TIMER_CHCTL2 */
#define TIMER_CHCTL2_CH0EN BIT(0) /*!< channel 0 capture/compare function enable */
#define TIMER_CHCTL2_CH0P BIT(1) /*!< channel 0 capture/compare function polarity */
#define TIMER_CHCTL2_CH0NEN BIT(2) /*!< channel 0 complementary output enable */
#define TIMER_CHCTL2_CH0NP BIT(3) /*!< channel 0 complementary output polarity */
#define TIMER_CHCTL2_CH1EN BIT(4) /*!< channel 1 capture/compare function enable */
#define TIMER_CHCTL2_CH1P BIT(5) /*!< channel 1 capture/compare function polarity */
#define TIMER_CHCTL2_CH1NEN BIT(6) /*!< channel 1 complementary output enable */
#define TIMER_CHCTL2_CH1NP BIT(7) /*!< channel 1 complementary output polarity */
#define TIMER_CHCTL2_CH2EN BIT(8) /*!< channel 2 capture/compare function enable */
#define TIMER_CHCTL2_CH2P BIT(9) /*!< channel 2 capture/compare function polarity */
#define TIMER_CHCTL2_CH2NEN BIT(10) /*!< channel 2 complementary output enable */
#define TIMER_CHCTL2_CH2NP BIT(11) /*!< channel 2 complementary output polarity */
#define TIMER_CHCTL2_CH3EN BIT(12) /*!< channel 3 capture/compare function enable */
#define TIMER_CHCTL2_CH3P BIT(13) /*!< channel 3 capture/compare function polarity */
/* TIMER_CNT */
#define TIMER_CNT_CNT BITS(0,15) /*!< 16 bit timer counter */
/* TIMER_PSC */
#define TIMER_PSC_PSC BITS(0,15) /*!< prescaler value of the counter clock */
/* TIMER_CAR */
#define TIMER_CAR_CARL BITS(0,15) /*!< 16 bit counter auto reload value */
/* TIMER_CREP */
#define TIMER_CREP_CREP BITS(0,7) /*!< counter repetition value */
/* TIMER_CH0CV */
#define TIMER_CH0CV_CH0VAL BITS(0,15) /*!< 16 bit capture/compare value of channel 0 */
/* TIMER_CH1CV */
#define TIMER_CH1CV_CH1VAL BITS(0,15) /*!< 16 bit capture/compare value of channel 1 */
/* TIMER_CH2CV */
#define TIMER_CH2CV_CH2VAL BITS(0,15) /*!< 16 bit capture/compare value of channel 2 */
/* TIMER_CH3CV */
#define TIMER_CH3CV_CH3VAL BITS(0,15) /*!< 16 bit capture/compare value of channel 3 */
/* TIMER_CCHP */
#define TIMER_CCHP_DTCFG BITS(0,7) /*!< dead time configure */
#define TIMER_CCHP_PROT BITS(8,9) /*!< complementary register protect control */
#define TIMER_CCHP_IOS BIT(10) /*!< idle mode off-state configure */
#define TIMER_CCHP_ROS BIT(11) /*!< run mode off-state configure */
#define TIMER_CCHP_BRKEN BIT(12) /*!< break enable */
#define TIMER_CCHP_BRKP BIT(13) /*!< break polarity */
#define TIMER_CCHP_OAEN BIT(14) /*!< output automatic enable */
#define TIMER_CCHP_POEN BIT(15) /*!< primary output enable */
/* TIMER_DMACFG */
#define TIMER_DMACFG_DMATA BITS(0,4) /*!< DMA transfer access start address */
#define TIMER_DMACFG_DMATC BITS(8,12) /*!< DMA transfer count */
/* TIMER_DMATB */
#define TIMER_DMATB_DMATB BITS(0,15) /*!< DMA transfer buffer address */
/* TIMER_CFG */
#define TIMER_CFG_OUTSEL BIT(0) /*!< the output value selection */
#define TIMER_CFG_CHVSEL BIT(1) /*!< write CHxVAL register selection */
/* constants definitions */
/* TIMER init parameter struct definitions */
typedef struct {
uint16_t prescaler; /*!< prescaler value */
uint16_t alignedmode; /*!< aligned mode */
uint16_t counterdirection; /*!< counter direction */
uint32_t period; /*!< period value */
uint16_t clockdivision; /*!< clock division value */
uint8_t repetitioncounter; /*!< the counter repetition value */
} timer_parameter_struct;
/* break parameter struct definitions */
typedef struct {
uint16_t runoffstate; /*!< run mode off-state */
uint16_t ideloffstate; /*!< idle mode off-state */
uint16_t deadtime; /*!< dead time */
uint16_t breakpolarity; /*!< break polarity */
uint16_t outputautostate; /*!< output automatic enable */
uint16_t protectmode; /*!< complementary register protect control */
uint16_t breakstate; /*!< break enable */
} timer_break_parameter_struct;
/* channel output parameter struct definitions */
typedef struct {
uint16_t outputstate; /*!< channel output state */
uint16_t outputnstate; /*!< channel complementary output state */
uint16_t ocpolarity; /*!< channel output polarity */
uint16_t ocnpolarity; /*!< channel complementary output polarity */
uint16_t ocidlestate; /*!< idle state of channel output */
uint16_t ocnidlestate; /*!< idle state of channel complementary output */
} timer_oc_parameter_struct;
/* channel input parameter struct definitions */
typedef struct {
uint16_t icpolarity; /*!< channel input polarity */
uint16_t icselection; /*!< channel input mode selection */
uint16_t icprescaler; /*!< channel input capture prescaler */
uint16_t icfilter; /*!< channel input capture filter control */
} timer_ic_parameter_struct;
/* TIMER interrupt enable or disable */
#define TIMER_INT_UP TIMER_DMAINTEN_UPIE /*!< update interrupt */
#define TIMER_INT_CH0 TIMER_DMAINTEN_CH0IE /*!< channel 0 interrupt */
#define TIMER_INT_CH1 TIMER_DMAINTEN_CH1IE /*!< channel 1 interrupt */
#define TIMER_INT_CH2 TIMER_DMAINTEN_CH2IE /*!< channel 2 interrupt */
#define TIMER_INT_CH3 TIMER_DMAINTEN_CH3IE /*!< channel 3 interrupt */
#define TIMER_INT_CMT TIMER_DMAINTEN_CMTIE /*!< channel commutation interrupt flag */
#define TIMER_INT_TRG TIMER_DMAINTEN_TRGIE /*!< trigger interrupt */
#define TIMER_INT_BRK TIMER_DMAINTEN_BRKIE /*!< break interrupt */
/* TIMER interrupt flag */
#define TIMER_INT_FLAG_UP TIMER_INT_UP /*!< update interrupt */
#define TIMER_INT_FLAG_CH0 TIMER_INT_CH0 /*!< channel 0 interrupt */
#define TIMER_INT_FLAG_CH1 TIMER_INT_CH1 /*!< channel 1 interrupt */
#define TIMER_INT_FLAG_CH2 TIMER_INT_CH2 /*!< channel 2 interrupt */
#define TIMER_INT_FLAG_CH3 TIMER_INT_CH3 /*!< channel 3 interrupt */
#define TIMER_INT_FLAG_CMT TIMER_INT_CMT /*!< channel commutation interrupt flag */
#define TIMER_INT_FLAG_TRG TIMER_INT_TRG /*!< trigger interrupt */
#define TIMER_INT_FLAG_BRK TIMER_INT_BRK
/* TIMER flag */
#define TIMER_FLAG_UP TIMER_INTF_UPIF /*!< update flag */
#define TIMER_FLAG_CH0 TIMER_INTF_CH0IF /*!< channel 0 flag */
#define TIMER_FLAG_CH1 TIMER_INTF_CH1IF /*!< channel 1 flag */
#define TIMER_FLAG_CH2 TIMER_INTF_CH2IF /*!< channel 2 flag */
#define TIMER_FLAG_CH3 TIMER_INTF_CH3IF /*!< channel 3 flag */
#define TIMER_FLAG_CMT TIMER_INTF_CMTIF /*!< channel control update flag */
#define TIMER_FLAG_TRG TIMER_INTF_TRGIF /*!< trigger flag */
#define TIMER_FLAG_BRK TIMER_INTF_BRKIF /*!< break flag */
#define TIMER_FLAG_CH0O TIMER_INTF_CH0OF /*!< channel 0 overcapture flag */
#define TIMER_FLAG_CH1O TIMER_INTF_CH1OF /*!< channel 1 overcapture flag */
#define TIMER_FLAG_CH2O TIMER_INTF_CH2OF /*!< channel 2 overcapture flag */
#define TIMER_FLAG_CH3O TIMER_INTF_CH3OF /*!< channel 3 overcapture flag */
/* TIMER DMA source enable */
#define TIMER_DMA_UPD ((uint16_t)TIMER_DMAINTEN_UPDEN) /*!< update DMA enable */
#define TIMER_DMA_CH0D ((uint16_t)TIMER_DMAINTEN_CH0DEN) /*!< channel 0 DMA enable */
#define TIMER_DMA_CH1D ((uint16_t)TIMER_DMAINTEN_CH1DEN) /*!< channel 1 DMA enable */
#define TIMER_DMA_CH2D ((uint16_t)TIMER_DMAINTEN_CH2DEN) /*!< channel 2 DMA enable */
#define TIMER_DMA_CH3D ((uint16_t)TIMER_DMAINTEN_CH3DEN) /*!< channel 3 DMA enable */
#define TIMER_DMA_CMTD ((uint16_t)TIMER_DMAINTEN_CMTDEN) /*!< commutation DMA request enable */
#define TIMER_DMA_TRGD ((uint16_t)TIMER_DMAINTEN_TRGDEN) /*!< trigger DMA enable */
/* channel DMA request source selection */
#define TIMER_DMAREQUEST_UPDATEEVENT TIMER_CTL1_DMAS /*!< DMA request of channel n is sent when update event occurs */
#define TIMER_DMAREQUEST_CHANNELEVENT ((uint32_t)0x00000000U) /*!< DMA request of channel n is sent when channel n event occurs */
/* DMA access base address */
#define DMACFG_DMATA(regval) (BITS(0, 4) & ((uint32_t)(regval) << 0U))
#define TIMER_DMACFG_DMATA_CTL0 DMACFG_DMATA(0) /*!< DMA transfer address is TIMER_CTL0 */
#define TIMER_DMACFG_DMATA_CTL1 DMACFG_DMATA(1) /*!< DMA transfer address is TIMER_CTL1 */
#define TIMER_DMACFG_DMATA_SMCFG DMACFG_DMATA(2) /*!< DMA transfer address is TIMER_SMCFG */
#define TIMER_DMACFG_DMATA_DMAINTEN DMACFG_DMATA(3) /*!< DMA transfer address is TIMER_DMAINTEN */
#define TIMER_DMACFG_DMATA_INTF DMACFG_DMATA(4) /*!< DMA transfer address is TIMER_INTF */
#define TIMER_DMACFG_DMATA_SWEVG DMACFG_DMATA(5) /*!< DMA transfer address is TIMER_SWEVG */
#define TIMER_DMACFG_DMATA_CHCTL0 DMACFG_DMATA(6) /*!< DMA transfer address is TIMER_CHCTL0 */
#define TIMER_DMACFG_DMATA_CHCTL1 DMACFG_DMATA(7) /*!< DMA transfer address is TIMER_CHCTL1 */
#define TIMER_DMACFG_DMATA_CHCTL2 DMACFG_DMATA(8) /*!< DMA transfer address is TIMER_CHCTL2 */
#define TIMER_DMACFG_DMATA_CNT DMACFG_DMATA(9) /*!< DMA transfer address is TIMER_CNT */
#define TIMER_DMACFG_DMATA_PSC DMACFG_DMATA(10) /*!< DMA transfer address is TIMER_PSC */
#define TIMER_DMACFG_DMATA_CAR DMACFG_DMATA(11) /*!< DMA transfer address is TIMER_CAR */
#define TIMER_DMACFG_DMATA_CREP DMACFG_DMATA(12) /*!< DMA transfer address is TIMER_CREP */
#define TIMER_DMACFG_DMATA_CH0CV DMACFG_DMATA(13) /*!< DMA transfer address is TIMER_CH0CV */
#define TIMER_DMACFG_DMATA_CH1CV DMACFG_DMATA(14) /*!< DMA transfer address is TIMER_CH1CV */
#define TIMER_DMACFG_DMATA_CH2CV DMACFG_DMATA(15) /*!< DMA transfer address is TIMER_CH2CV */
#define TIMER_DMACFG_DMATA_CH3CV DMACFG_DMATA(16) /*!< DMA transfer address is TIMER_CH3CV */
#define TIMER_DMACFG_DMATA_CCHP DMACFG_DMATA(17) /*!< DMA transfer address is TIMER_CCHP */
#define TIMER_DMACFG_DMATA_DMACFG DMACFG_DMATA(18) /*!< DMA transfer address is TIMER_DMACFG */
/* DMA access burst length */
#define DMACFG_DMATC(regval) (BITS(8, 12) & ((uint32_t)(regval) << 8U))
#define TIMER_DMACFG_DMATC_1TRANSFER DMACFG_DMATC(0) /*!< DMA transfer 1 time */
#define TIMER_DMACFG_DMATC_2TRANSFER DMACFG_DMATC(1) /*!< DMA transfer 2 times */
#define TIMER_DMACFG_DMATC_3TRANSFER DMACFG_DMATC(2) /*!< DMA transfer 3 times */
#define TIMER_DMACFG_DMATC_4TRANSFER DMACFG_DMATC(3) /*!< DMA transfer 4 times */
#define TIMER_DMACFG_DMATC_5TRANSFER DMACFG_DMATC(4) /*!< DMA transfer 5 times */
#define TIMER_DMACFG_DMATC_6TRANSFER DMACFG_DMATC(5) /*!< DMA transfer 6 times */
#define TIMER_DMACFG_DMATC_7TRANSFER DMACFG_DMATC(6) /*!< DMA transfer 7 times */
#define TIMER_DMACFG_DMATC_8TRANSFER DMACFG_DMATC(7) /*!< DMA transfer 8 times */
#define TIMER_DMACFG_DMATC_9TRANSFER DMACFG_DMATC(8) /*!< DMA transfer 9 times */
#define TIMER_DMACFG_DMATC_10TRANSFER DMACFG_DMATC(9) /*!< DMA transfer 10 times */
#define TIMER_DMACFG_DMATC_11TRANSFER DMACFG_DMATC(10) /*!< DMA transfer 11 times */
#define TIMER_DMACFG_DMATC_12TRANSFER DMACFG_DMATC(11) /*!< DMA transfer 12 times */
#define TIMER_DMACFG_DMATC_13TRANSFER DMACFG_DMATC(12) /*!< DMA transfer 13 times */
#define TIMER_DMACFG_DMATC_14TRANSFER DMACFG_DMATC(13) /*!< DMA transfer 14 times */
#define TIMER_DMACFG_DMATC_15TRANSFER DMACFG_DMATC(14) /*!< DMA transfer 15 times */
#define TIMER_DMACFG_DMATC_16TRANSFER DMACFG_DMATC(15) /*!< DMA transfer 16 times */
#define TIMER_DMACFG_DMATC_17TRANSFER DMACFG_DMATC(16) /*!< DMA transfer 17 times */
#define TIMER_DMACFG_DMATC_18TRANSFER DMACFG_DMATC(17) /*!< DMA transfer 18 times */
/* TIMER software event generation source */
#define TIMER_EVENT_SRC_UPG ((uint16_t)0x0001U) /*!< update event generation */
#define TIMER_EVENT_SRC_CH0G ((uint16_t)0x0002U) /*!< channel 0 capture or compare event generation */
#define TIMER_EVENT_SRC_CH1G ((uint16_t)0x0004U) /*!< channel 1 capture or compare event generation */
#define TIMER_EVENT_SRC_CH2G ((uint16_t)0x0008U) /*!< channel 2 capture or compare event generation */
#define TIMER_EVENT_SRC_CH3G ((uint16_t)0x0010U) /*!< channel 3 capture or compare event generation */
#define TIMER_EVENT_SRC_CMTG ((uint16_t)0x0020U) /*!< channel commutation event generation */
#define TIMER_EVENT_SRC_TRGG ((uint16_t)0x0040U) /*!< trigger event generation */
#define TIMER_EVENT_SRC_BRKG ((uint16_t)0x0080U) /*!< break event generation */
/* center-aligned mode selection */
#define CTL0_CAM(regval) ((uint16_t)(BITS(5, 6) & ((uint32_t)(regval) << 5U)))
#define TIMER_COUNTER_EDGE CTL0_CAM(0) /*!< edge-aligned mode */
#define TIMER_COUNTER_CENTER_DOWN CTL0_CAM(1) /*!< center-aligned and counting down assert mode */
#define TIMER_COUNTER_CENTER_UP CTL0_CAM(2) /*!< center-aligned and counting up assert mode */
#define TIMER_COUNTER_CENTER_BOTH CTL0_CAM(3) /*!< center-aligned and counting up/down assert mode */
/* TIMER prescaler reload mode */
#define TIMER_PSC_RELOAD_NOW TIMER_SWEVG_UPG /*!< the prescaler is loaded right now */
#define TIMER_PSC_RELOAD_UPDATE ((uint32_t)0x00000000U) /*!< the prescaler is loaded at the next update event */
/* count direction */
#define TIMER_COUNTER_UP ((uint16_t)0x0000U) /*!< counter up direction */
#define TIMER_COUNTER_DOWN ((uint16_t)TIMER_CTL0_DIR) /*!< counter down direction */
/* specify division ratio between TIMER clock and dead-time and sampling clock */
#define CTL0_CKDIV(regval) ((uint16_t)(BITS(8, 9) & ((uint32_t)(regval) << 8U)))
#define TIMER_CKDIV_DIV1 CTL0_CKDIV(0) /*!< clock division value is 1,fDTS=fTIMER_CK */
#define TIMER_CKDIV_DIV2 CTL0_CKDIV(1) /*!< clock division value is 2,fDTS= fTIMER_CK/2 */
#define TIMER_CKDIV_DIV4 CTL0_CKDIV(2) /*!< clock division value is 4, fDTS= fTIMER_CK/4 */
/* single pulse mode */
#define TIMER_SP_MODE_SINGLE TIMER_CTL0_SPM /*!< single pulse mode */
#define TIMER_SP_MODE_REPETITIVE ((uint32_t)0x00000000U) /*!< repetitive pulse mode */
/* update source */
#define TIMER_UPDATE_SRC_REGULAR TIMER_CTL0_UPS /*!< update generate only by counter overflow/underflow */
#define TIMER_UPDATE_SRC_GLOBAL ((uint32_t)0x00000000U) /*!< update generate by setting of UPG bit or the counter overflow/underflow,or the slave mode controller trigger */
/* run mode off-state configure */
#define TIMER_ROS_STATE_ENABLE ((uint16_t)TIMER_CCHP_ROS) /*!< when POEN bit is set, the channel output signals(CHx_O/CHx_ON) are enabled, with relationship to CHxEN/CHxNEN bits */
#define TIMER_ROS_STATE_DISABLE ((uint16_t)0x0000U) /*!< when POEN bit is set, the channel output signals(CHx_O/CHx_ON) are disabled */
/* idle mode off-state configure */
#define TIMER_IOS_STATE_ENABLE ((uint16_t)TIMER_CCHP_IOS) /*!< when POEN bit is reset, he channel output signals(CHx_O/CHx_ON) are enabled, with relationship to CHxEN/CHxNEN bits */
#define TIMER_IOS_STATE_DISABLE ((uint16_t)0x0000U) /*!< when POEN bit is reset, the channel output signals(CHx_O/CHx_ON) are disabled */
/* break input polarity */
#define TIMER_BREAK_POLARITY_LOW ((uint16_t)0x0000U) /*!< break input polarity is low */
#define TIMER_BREAK_POLARITY_HIGH ((uint16_t)TIMER_CCHP_BRKP) /*!< break input polarity is high */
/* output automatic enable */
#define TIMER_OUTAUTO_ENABLE ((uint16_t)TIMER_CCHP_OAEN) /*!< output automatic enable */
#define TIMER_OUTAUTO_DISABLE ((uint16_t)0x0000U) /*!< output automatic disable */
/* complementary register protect control */
#define CCHP_PROT(regval) ((uint16_t)(BITS(8, 9) & ((uint32_t)(regval) << 8U)))
#define TIMER_CCHP_PROT_OFF CCHP_PROT(0) /*!< protect disable */
#define TIMER_CCHP_PROT_0 CCHP_PROT(1) /*!< PROT mode 0 */
#define TIMER_CCHP_PROT_1 CCHP_PROT(2) /*!< PROT mode 1 */
#define TIMER_CCHP_PROT_2 CCHP_PROT(3) /*!< PROT mode 2 */
/* break input enable */
#define TIMER_BREAK_ENABLE ((uint16_t)TIMER_CCHP_BRKEN) /*!< break input enable */
#define TIMER_BREAK_DISABLE ((uint16_t)0x0000U) /*!< break input disable */
/* TIMER channel n(n=0,1,2,3) */
#define TIMER_CH_0 ((uint16_t)0x0000U) /*!< TIMER channel 0(TIMERx(x=0..4,7..13)) */
#define TIMER_CH_1 ((uint16_t)0x0001U) /*!< TIMER channel 1(TIMERx(x=0..4,7,8,11)) */
#define TIMER_CH_2 ((uint16_t)0x0002U) /*!< TIMER channel 2(TIMERx(x=0..4,7)) */
#define TIMER_CH_3 ((uint16_t)0x0003U) /*!< TIMER channel 3(TIMERx(x=0..4,7)) */
/* channel enable state */
#define TIMER_CCX_ENABLE ((uint16_t)0x0001U) /*!< channel enable */
#define TIMER_CCX_DISABLE ((uint16_t)0x0000U) /*!< channel disable */
/* channel complementary output enable state */
#define TIMER_CCXN_ENABLE ((uint16_t)0x0004U) /*!< channel complementary enable */
#define TIMER_CCXN_DISABLE ((uint16_t)0x0000U) /*!< channel complementary disable */
/* channel output polarity */
#define TIMER_OC_POLARITY_HIGH ((uint16_t)0x0000U) /*!< channel output polarity is high */
#define TIMER_OC_POLARITY_LOW ((uint16_t)0x0002U) /*!< channel output polarity is low */
/* channel complementary output polarity */
#define TIMER_OCN_POLARITY_HIGH ((uint16_t)0x0000U) /*!< channel complementary output polarity is high */
#define TIMER_OCN_POLARITY_LOW ((uint16_t)0x0008U) /*!< channel complementary output polarity is low */
/* idle state of channel output */
#define TIMER_OC_IDLE_STATE_HIGH ((uint16_t)0x0100) /*!< idle state of channel output is high */
#define TIMER_OC_IDLE_STATE_LOW ((uint16_t)0x0000) /*!< idle state of channel output is low */
/* idle state of channel complementary output */
#define TIMER_OCN_IDLE_STATE_HIGH ((uint16_t)0x0200U) /*!< idle state of channel complementary output is high */
#define TIMER_OCN_IDLE_STATE_LOW ((uint16_t)0x0000U) /*!< idle state of channel complementary output is low */
/* channel output compare mode */
#define TIMER_OC_MODE_TIMING ((uint16_t)0x0000U) /*!< timing mode */
#define TIMER_OC_MODE_ACTIVE ((uint16_t)0x0010U) /*!< active mode */
#define TIMER_OC_MODE_INACTIVE ((uint16_t)0x0020U) /*!< inactive mode */
#define TIMER_OC_MODE_TOGGLE ((uint16_t)0x0030U) /*!< toggle mode */
#define TIMER_OC_MODE_LOW ((uint16_t)0x0040U) /*!< force low mode */
#define TIMER_OC_MODE_HIGH ((uint16_t)0x0050U) /*!< force high mode */
#define TIMER_OC_MODE_PWM0 ((uint16_t)0x0060U) /*!< PWM0 mode */
#define TIMER_OC_MODE_PWM1 ((uint16_t)0x0070U) /*!< PWM1 mode */
/* channel output compare shadow enable */
#define TIMER_OC_SHADOW_ENABLE ((uint16_t)0x0008U) /*!< channel output shadow state enable */
#define TIMER_OC_SHADOW_DISABLE ((uint16_t)0x0000U) /*!< channel output shadow state disable */
/* channel output compare fast enable */
#define TIMER_OC_FAST_ENABLE ((uint16_t)0x0004) /*!< channel output fast function enable */
#define TIMER_OC_FAST_DISABLE ((uint16_t)0x0000) /*!< channel output fast function disable */
/* channel output compare clear enable */
#define TIMER_OC_CLEAR_ENABLE ((uint16_t)0x0080U) /*!< channel output clear function enable */
#define TIMER_OC_CLEAR_DISABLE ((uint16_t)0x0000U) /*!< channel output clear function disable */
/* channel control shadow register update control */
#define TIMER_UPDATECTL_CCU ((uint32_t)0x00000000U) /*!< the shadow registers update by when CMTG bit is set */
#define TIMER_UPDATECTL_CCUTRI TIMER_CTL1_CCUC /*!< the shadow registers update by when CMTG bit is set or an rising edge of TRGI occurs */
/* channel input capture polarity */
#define TIMER_IC_POLARITY_RISING ((uint16_t)0x0000U) /*!< input capture rising edge */
#define TIMER_IC_POLARITY_FALLING ((uint16_t)0x0002U) /*!< input capture falling edge */
#define TIMER_IC_POLARITY_BOTH_EDGE ((uint16_t)0x000AU) /*!< input capture both edge(only for TIMER1~TIMER8) */
/* TIMER input capture selection */
#define TIMER_IC_SELECTION_DIRECTTI ((uint16_t)0x0001U) /*!< channel n is configured as input and icy is mapped on CIy */
#define TIMER_IC_SELECTION_INDIRECTTI ((uint16_t)0x0002U) /*!< channel n is configured as input and icy is mapped on opposite input */
#define TIMER_IC_SELECTION_ITS ((uint16_t)0x0003U) /*!< channel n is configured as input and icy is mapped on ITS */
/* channel input capture prescaler */
#define TIMER_IC_PSC_DIV1 ((uint16_t)0x0000U) /*!< no prescaler */
#define TIMER_IC_PSC_DIV2 ((uint16_t)0x0004U) /*!< divided by 2 */
#define TIMER_IC_PSC_DIV4 ((uint16_t)0x0008U) /*!< divided by 4 */
#define TIMER_IC_PSC_DIV8 ((uint16_t)0x000CU) /*!< divided by 8 */
/* trigger selection */
#define SMCFG_TRGSEL(regval) (BITS(4, 6) & ((uint32_t)(regval) << 4U))
#define TIMER_SMCFG_TRGSEL_ITI0 SMCFG_TRGSEL(0) /*!< internal trigger 0 */
#define TIMER_SMCFG_TRGSEL_ITI1 SMCFG_TRGSEL(1) /*!< internal trigger 1 */
#define TIMER_SMCFG_TRGSEL_ITI2 SMCFG_TRGSEL(2) /*!< internal trigger 2 */
#define TIMER_SMCFG_TRGSEL_ITI3 SMCFG_TRGSEL(3) /*!< internal trigger 3 */
#define TIMER_SMCFG_TRGSEL_CI0F_ED SMCFG_TRGSEL(4) /*!< TI0 Edge Detector */
#define TIMER_SMCFG_TRGSEL_CI0FE0 SMCFG_TRGSEL(5) /*!< filtered TIMER input 0 */
#define TIMER_SMCFG_TRGSEL_CI1FE1 SMCFG_TRGSEL(6) /*!< filtered TIMER input 1 */
#define TIMER_SMCFG_TRGSEL_ETIFP SMCFG_TRGSEL(7) /*!< filtered external trigger input */
/* master mode control */
#define CTL1_MMC(regval) (BITS(4, 6) & ((uint32_t)(regval) << 4U))
#define TIMER_TRI_OUT_SRC_RESET CTL1_MMC(0) /*!< the UPG bit as trigger output */
#define TIMER_TRI_OUT_SRC_ENABLE CTL1_MMC(1) /*!< the counter enable signal TIMER_CTL0_CEN as trigger output */
#define TIMER_TRI_OUT_SRC_UPDATE CTL1_MMC(2) /*!< update event as trigger output */
#define TIMER_TRI_OUT_SRC_CH0 CTL1_MMC(3) /*!< a capture or a compare match occurred in channel 0 as trigger output TRGO */
#define TIMER_TRI_OUT_SRC_O0CPRE CTL1_MMC(4) /*!< O0CPRE as trigger output */
#define TIMER_TRI_OUT_SRC_O1CPRE CTL1_MMC(5) /*!< O1CPRE as trigger output */
#define TIMER_TRI_OUT_SRC_O2CPRE CTL1_MMC(6) /*!< O2CPRE as trigger output */
#define TIMER_TRI_OUT_SRC_O3CPRE CTL1_MMC(7) /*!< O3CPRE as trigger output */
/* slave mode control */
#define SMCFG_SMC(regval) (BITS(0, 2) & ((uint32_t)(regval) << 0U))
#define TIMER_SLAVE_MODE_DISABLE SMCFG_SMC(0) /*!< slave mode disable */
#define TIMER_ENCODER_MODE0 SMCFG_SMC(1) /*!< encoder mode 0 */
#define TIMER_ENCODER_MODE1 SMCFG_SMC(2) /*!< encoder mode 1 */
#define TIMER_ENCODER_MODE2 SMCFG_SMC(3) /*!< encoder mode 2 */
#define TIMER_SLAVE_MODE_RESTART SMCFG_SMC(4) /*!< restart mode */
#define TIMER_SLAVE_MODE_PAUSE SMCFG_SMC(5) /*!< pause mode */
#define TIMER_SLAVE_MODE_EVENT SMCFG_SMC(6) /*!< event mode */
#define TIMER_SLAVE_MODE_EXTERNAL0 SMCFG_SMC(7) /*!< external clock mode 0 */
/* master slave mode selection */
#define TIMER_MASTER_SLAVE_MODE_ENABLE TIMER_SMCFG_MSM /*!< master slave mode enable */
#define TIMER_MASTER_SLAVE_MODE_DISABLE ((uint32_t)0x00000000U) /*!< master slave mode disable */
/* external trigger prescaler */
#define SMCFG_ETPSC(regval) (BITS(12, 13) & ((uint32_t)(regval) << 12U))
#define TIMER_EXT_TRI_PSC_OFF SMCFG_ETPSC(0) /*!< no divided */
#define TIMER_EXT_TRI_PSC_DIV2 SMCFG_ETPSC(1) /*!< divided by 2 */
#define TIMER_EXT_TRI_PSC_DIV4 SMCFG_ETPSC(2) /*!< divided by 4 */
#define TIMER_EXT_TRI_PSC_DIV8 SMCFG_ETPSC(3) /*!< divided by 8 */
/* external trigger polarity */
#define TIMER_ETP_FALLING TIMER_SMCFG_ETP /*!< active low or falling edge active */
#define TIMER_ETP_RISING ((uint32_t)0x00000000U) /*!< active high or rising edge active */
/* channel 0 trigger input selection */
#define TIMER_HALLINTERFACE_ENABLE TIMER_CTL1_TI0S /*!< TIMER hall sensor mode enable */
#define TIMER_HALLINTERFACE_DISABLE ((uint32_t)0x00000000U) /*!< TIMER hall sensor mode disable */
/* TIMERx(x=0..4,7..13) write CHxVAL register selection */
#define TIMER_CHVSEL_ENABLE ((uint16_t)TIMER_CFG_OUTSEL) /*!< write CHxVAL register selection enable */
#define TIMER_CHVSEL_DISABLE ((uint16_t)0x0000U) /*!< write CHxVAL register selection disable */
/* TIMERx(x=0,7) output value selection */
#define TIMER_OUTSEL_ENABLE ((uint16_t)TIMER_CFG_OUTSEL) /*!< output value selection enable */
#define TIMER_OUTSEL_DISABLE ((uint16_t)0x0000U) /*!< output value selection disable */
/* function declarations */
/* TIMER timebase */
/* deinit a timer */
void timer_deinit(uint32_t timer_periph);
/* initialize TIMER init parameter struct */
void timer_struct_para_init(timer_parameter_struct *initpara);
/* initialize TIMER counter */
void timer_init(uint32_t timer_periph, timer_parameter_struct *initpara);
/* enable a timer */
void timer_enable(uint32_t timer_periph);
/* disable a timer */
void timer_disable(uint32_t timer_periph);
/* enable the auto reload shadow function */
void timer_auto_reload_shadow_enable(uint32_t timer_periph);
/* disable the auto reload shadow function */
void timer_auto_reload_shadow_disable(uint32_t timer_periph);
/* enable the update event */
void timer_update_event_enable(uint32_t timer_periph);
/* disable the update event */
void timer_update_event_disable(uint32_t timer_periph);
/* set TIMER counter alignment mode */
void timer_counter_alignment(uint32_t timer_periph, uint16_t aligned);
/* set TIMER counter up direction */
void timer_counter_up_direction(uint32_t timer_periph);
/* set TIMER counter down direction */
void timer_counter_down_direction(uint32_t timer_periph);
/* configure TIMER prescaler */
void timer_prescaler_config(uint32_t timer_periph, uint16_t prescaler, uint32_t pscreload);
/* configure TIMER repetition register value */
void timer_repetition_value_config(uint32_t timer_periph, uint16_t repetition);
/* configure TIMER autoreload register value */
void timer_autoreload_value_config(uint32_t timer_periph, uint16_t autoreload);
/* configure TIMER counter register value */
void timer_counter_value_config(uint32_t timer_periph, uint16_t counter);
/* read TIMER counter value */
uint32_t timer_counter_read(uint32_t timer_periph);
/* read TIMER prescaler value */
uint16_t timer_prescaler_read(uint32_t timer_periph);
/* configure TIMER single pulse mode */
void timer_single_pulse_mode_config(uint32_t timer_periph, uint32_t spmode);
/* configure TIMER update source */
void timer_update_source_config(uint32_t timer_periph, uint32_t update);
/* TIMER DMA and event */
/* enable the TIMER DMA */
void timer_dma_enable(uint32_t timer_periph, uint16_t dma);
/* disable the TIMER DMA */
void timer_dma_disable(uint32_t timer_periph, uint16_t dma);
/* channel DMA request source selection */
void timer_channel_dma_request_source_select(uint32_t timer_periph, uint32_t dma_request);
/* configure the TIMER DMA transfer */
void timer_dma_transfer_config(uint32_t timer_periph, uint32_t dma_baseaddr, uint32_t dma_lenth);
/* software generate events */
void timer_event_software_generate(uint32_t timer_periph, uint16_t event);
/* TIMER channel complementary protection */
/* initialize TIMER break parameter struct */
void timer_break_struct_para_init(timer_break_parameter_struct *breakpara);
/* configure TIMER break function */
void timer_break_config(uint32_t timer_periph, timer_break_parameter_struct *breakpara);
/* enable TIMER break function */
void timer_break_enable(uint32_t timer_periph);
/* disable TIMER break function */
void timer_break_disable(uint32_t timer_periph);
/* enable TIMER output automatic function */
void timer_automatic_output_enable(uint32_t timer_periph);
/* disable TIMER output automatic function */
void timer_automatic_output_disable(uint32_t timer_periph);
/* enable or disable TIMER primary output function */
void timer_primary_output_config(uint32_t timer_periph, ControlStatus newvalue);
/* enable or disable channel capture/compare control shadow register */
void timer_channel_control_shadow_config(uint32_t timer_periph, ControlStatus newvalue);
/* configure TIMER channel control shadow register update control */
void timer_channel_control_shadow_update_config(uint32_t timer_periph, uint32_t ccuctl);
/* TIMER channel output */
/* initialize TIMER channel output parameter struct */
void timer_channel_output_struct_para_init(timer_oc_parameter_struct *ocpara);
/* configure TIMER channel output function */
void timer_channel_output_config(uint32_t timer_periph, uint16_t channel, timer_oc_parameter_struct *ocpara);
/* configure TIMER channel output compare mode */
void timer_channel_output_mode_config(uint32_t timer_periph, uint16_t channel, uint16_t ocmode);
/* configure TIMER channel output pulse value */
void timer_channel_output_pulse_value_config(uint32_t timer_periph, uint16_t channel, uint32_t pulse);
/* configure TIMER channel output shadow function */
void timer_channel_output_shadow_config(uint32_t timer_periph, uint16_t channel, uint16_t ocshadow);
/* configure TIMER channel output fast function */
void timer_channel_output_fast_config(uint32_t timer_periph, uint16_t channel, uint16_t ocfast);
/* configure TIMER channel output clear function */
void timer_channel_output_clear_config(uint32_t timer_periph, uint16_t channel, uint16_t occlear);
/* configure TIMER channel output polarity */
void timer_channel_output_polarity_config(uint32_t timer_periph, uint16_t channel, uint16_t ocpolarity);
/* configure TIMER channel complementary output polarity */
void timer_channel_complementary_output_polarity_config(uint32_t timer_periph, uint16_t channel, uint16_t ocnpolarity);
/* configure TIMER channel enable state */
void timer_channel_output_state_config(uint32_t timer_periph, uint16_t channel, uint32_t state);
/* configure TIMER channel complementary output enable state */
void timer_channel_complementary_output_state_config(uint32_t timer_periph, uint16_t channel, uint16_t ocnstate);
/* TIMER channel input */
/* initialize TIMER channel input parameter struct */
void timer_channel_input_struct_para_init(timer_ic_parameter_struct *icpara);
/* configure TIMER input capture parameter */
void timer_input_capture_config(uint32_t timer_periph, uint16_t channel, timer_ic_parameter_struct *icpara);
/* configure TIMER channel input capture prescaler value */
void timer_channel_input_capture_prescaler_config(uint32_t timer_periph, uint16_t channel, uint16_t prescaler);
/* read TIMER channel capture compare register value */
uint32_t timer_channel_capture_value_register_read(uint32_t timer_periph, uint16_t channel);
/* configure TIMER input pwm capture function */
void timer_input_pwm_capture_config(uint32_t timer_periph, uint16_t channel, timer_ic_parameter_struct *icpwm);
/* configure TIMER hall sensor mode */
void timer_hall_mode_config(uint32_t timer_periph, uint32_t hallmode);
/* TIMER master and slave mode */
/* select TIMER input trigger source */
void timer_input_trigger_source_select(uint32_t timer_periph, uint32_t intrigger);
/* select TIMER master mode output trigger source */
void timer_master_output_trigger_source_select(uint32_t timer_periph, uint32_t outrigger);
/* select TIMER slave mode */
void timer_slave_mode_select(uint32_t timer_periph, uint32_t slavemode);
/* configure TIMER master slave mode */
void timer_master_slave_mode_config(uint32_t timer_periph, uint32_t masterslave);
/* configure TIMER external trigger input */
void timer_external_trigger_config(uint32_t timer_periph, uint32_t extprescaler, uint32_t extpolarity, uint32_t extfilter);
/* configure TIMER quadrature decoder mode */
void timer_quadrature_decoder_mode_config(uint32_t timer_periph, uint32_t decomode, uint16_t ic0polarity, uint16_t ic1polarity);
/* configure TIMER internal clock mode */
void timer_internal_clock_config(uint32_t timer_periph);
/* configure TIMER the internal trigger as external clock input */
void timer_internal_trigger_as_external_clock_config(uint32_t timer_periph, uint32_t intrigger);
/* configure TIMER the external trigger as external clock input */
void timer_external_trigger_as_external_clock_config(uint32_t timer_periph, uint32_t extrigger, uint16_t extpolarity, uint32_t extfilter);
/* configure TIMER the external clock mode 0 */
void timer_external_clock_mode0_config(uint32_t timer_periph, uint32_t extprescaler, uint32_t extpolarity, uint32_t extfilter);
/* configure TIMER the external clock mode 1 */
void timer_external_clock_mode1_config(uint32_t timer_periph, uint32_t extprescaler, uint32_t extpolarity, uint32_t extfilter);
/* disable TIMER the external clock mode 1 */
void timer_external_clock_mode1_disable(uint32_t timer_periph);
/* TIMER configure */
/* configure TIMER write CHxVAL register selection */
void timer_write_chxval_register_config(uint32_t timer_periph, uint16_t ccsel);
/* configure TIMER output value selection */
void timer_output_value_selection_config(uint32_t timer_periph, uint16_t outsel);
/* TIMER interrupt and flag */
/* enable the TIMER interrupt */
void timer_interrupt_enable(uint32_t timer_periph, uint32_t interrupt);
/* disable the TIMER interrupt */
void timer_interrupt_disable(uint32_t timer_periph, uint32_t interrupt);
/* get TIMER interrupt flag */
FlagStatus timer_interrupt_flag_get(uint32_t timer_periph, uint32_t interrupt);
/* clear TIMER interrupt flag */
void timer_interrupt_flag_clear(uint32_t timer_periph, uint32_t interrupt);
/* get TIMER flag */
FlagStatus timer_flag_get(uint32_t timer_periph, uint32_t flag);
/* clear TIMER flag */
void timer_flag_clear(uint32_t timer_periph, uint32_t flag);
#endif /* GD32E10X_TIMER_H */

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/*!
\file gd32e10x_usart.h
\brief definitions for the USART
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_USART_H
#define GD32E10X_USART_H
#include "gd32e10x.h"
/* USARTx(x=0,1,2)/UARTx(x=3,4) definitions */
#define USART1 USART_BASE /*!< USART1 base address */
#define USART2 (USART_BASE+0x00000400U) /*!< USART2 base address */
#define UART3 (USART_BASE+0x00000800U) /*!< UART3 base address */
#define UART4 (USART_BASE+0x00000C00U) /*!< UART4 base address */
#define USART0 (USART_BASE+0x0000F400U) /*!< USART0 base address */
/* registers definitions */
#define USART_STAT0(usartx) REG32((usartx) + 0x00U) /*!< USART status register 0 */
#define USART_DATA(usartx) REG32((usartx) + 0x04U) /*!< USART data register */
#define USART_BAUD(usartx) REG32((usartx) + 0x08U) /*!< USART baud rate register */
#define USART_CTL0(usartx) REG32((usartx) + 0x0CU) /*!< USART control register 0 */
#define USART_CTL1(usartx) REG32((usartx) + 0x10U) /*!< USART control register 1 */
#define USART_CTL2(usartx) REG32((usartx) + 0x14U) /*!< USART control register 2 */
#define USART_GP(usartx) REG32((usartx) + 0x18U) /*!< USART guard time and prescaler register */
#define USART_CTL3(usartx) REG32((usartx) + 0x80U) /*!< USART control register 3 */
#define USART_RT(usartx) REG32((usartx) + 0x84U) /*!< USART receiver timeout register */
#define USART_STAT1(usartx) REG32((usartx) + 0x88U) /*!< USART status register 1 */
#define USART_CHC(usartx) REG32((usartx) + 0xC0U) /*!< USART coherence control register */
/* bits definitions */
/* USARTx_STAT0 */
#define USART_STAT0_PERR BIT(0) /*!< parity error flag */
#define USART_STAT0_FERR BIT(1) /*!< frame error flag */
#define USART_STAT0_NERR BIT(2) /*!< noise error flag */
#define USART_STAT0_ORERR BIT(3) /*!< overrun error */
#define USART_STAT0_IDLEF BIT(4) /*!< IDLE frame detected flag */
#define USART_STAT0_RBNE BIT(5) /*!< read data buffer not empty */
#define USART_STAT0_TC BIT(6) /*!< transmission complete */
#define USART_STAT0_TBE BIT(7) /*!< transmit data buffer empty */
#define USART_STAT0_LBDF BIT(8) /*!< LIN break detected flag */
#define USART_STAT0_CTSF BIT(9) /*!< CTS change flag */
/* USARTx_DATA */
#define USART_DATA_DATA BITS(0,8) /*!< transmit or read data value */
/* USARTx_BAUD */
#define USART_BAUD_FRADIV BITS(0,3) /*!< fraction part of baud-rate divider */
#define USART_BAUD_INTDIV BITS(4,15) /*!< integer part of baud-rate divider */
/* USARTx_CTL0 */
#define USART_CTL0_SBKCMD BIT(0) /*!< send break command */
#define USART_CTL0_RWU BIT(1) /*!< receiver wakeup from mute mode */
#define USART_CTL0_REN BIT(2) /*!< receiver enable */
#define USART_CTL0_TEN BIT(3) /*!< transmitter enable */
#define USART_CTL0_IDLEIE BIT(4) /*!< idle line detected interrupt enable */
#define USART_CTL0_RBNEIE BIT(5) /*!< read data buffer not empty interrupt and overrun error interrupt enable */
#define USART_CTL0_TCIE BIT(6) /*!< transmission complete interrupt enable */
#define USART_CTL0_TBEIE BIT(7) /*!< transmitter buffer empty interrupt enable */
#define USART_CTL0_PERRIE BIT(8) /*!< parity error interrupt enable */
#define USART_CTL0_PM BIT(9) /*!< parity mode */
#define USART_CTL0_PCEN BIT(10) /*!< parity check function enable */
#define USART_CTL0_WM BIT(11) /*!< wakeup method in mute mode */
#define USART_CTL0_WL BIT(12) /*!< word length */
#define USART_CTL0_UEN BIT(13) /*!< USART enable */
/* USARTx_CTL1 */
#define USART_CTL1_ADDR BITS(0,3) /*!< address of USART */
#define USART_CTL1_LBLEN BIT(5) /*!< LIN break frame length */
#define USART_CTL1_LBDIE BIT(6) /*!< LIN break detected interrupt eanble */
#define USART_CTL1_CLEN BIT(8) /*!< CK length */
#define USART_CTL1_CPH BIT(9) /*!< CK phase */
#define USART_CTL1_CPL BIT(10) /*!< CK polarity */
#define USART_CTL1_CKEN BIT(11) /*!< CK pin enable */
#define USART_CTL1_STB BITS(12,13) /*!< STOP bits length */
#define USART_CTL1_LMEN BIT(14) /*!< LIN mode enable */
/* USARTx_CTL2 */
#define USART_CTL2_ERRIE BIT(0) /*!< error interrupt enable */
#define USART_CTL2_IREN BIT(1) /*!< IrDA mode enable */
#define USART_CTL2_IRLP BIT(2) /*!< IrDA low-power */
#define USART_CTL2_HDEN BIT(3) /*!< half-duplex enable */
#define USART_CTL2_NKEN BIT(4) /*!< NACK enable in smartcard mode */
#define USART_CTL2_SCEN BIT(5) /*!< smartcard mode enable */
#define USART_CTL2_DENR BIT(6) /*!< DMA request enable for reception */
#define USART_CTL2_DENT BIT(7) /*!< DMA request enable for transmission */
#define USART_CTL2_RTSEN BIT(8) /*!< RTS enable */
#define USART_CTL2_CTSEN BIT(9) /*!< CTS enable */
#define USART_CTL2_CTSIE BIT(10) /*!< CTS interrupt enable */
/* USARTx_GP */
#define USART_GP_PSC BITS(0,7) /*!< prescaler value for dividing the system clock */
#define USART_GP_GUAT BITS(8,15) /*!< guard time value in smartcard mode */
/* USARTx_CTL3 */
#define USART_CTL3_RTEN BIT(0) /*!< receiver timeout enable */
#define USART_CTL3_SCRTNUM BITS(1,3) /*!< smartcard auto-retry number */
#define USART_CTL3_RTIE BIT(4) /*!< interrupt enable bit of receive timeout event */
#define USART_CTL3_EBIE BIT(5) /*!< interrupt enable bit of end of block event */
#define USART_CTL3_RINV BIT(8) /*!< RX pin level inversion */
#define USART_CTL3_TINV BIT(9) /*!< TX pin level inversion */
#define USART_CTL3_DINV BIT(10) /*!< data bit level inversion */
#define USART_CTL3_MSBF BIT(11) /*!< most significant bit first */
/* USARTx_RT */
#define USART_RT_RT BITS(0,23) /*!< receiver timeout threshold */
#define USART_RT_BL BITS(24,31) /*!< block length */
/* USARTx_STAT1 */
#define USART_STAT1_RTF BIT(11) /*!< receiver timeout flag */
#define USART_STAT1_EBF BIT(12) /*!< end of block flag */
#define USART_STAT1_BSY BIT(16) /*!< busy flag */
/* USARTx_CHC */
#define USART_CHC_HCM BIT(0) /*!< hardware flow control coherence mode */
#define USART_CHC_EPERR BIT(8) /*!< early parity error flag */
/* constants definitions */
/* define the USART bit position and its register index offset */
#define USART_REGIDX_BIT(regidx, bitpos) (((uint32_t)(regidx) << 6) | (uint32_t)(bitpos))
#define USART_REG_VAL(usartx, offset) (REG32((usartx) + (((uint32_t)(offset) & 0xFFFFU) >> 6)))
#define USART_BIT_POS(val) ((uint32_t)(val) & 0x1FU)
#define USART_REGIDX_BIT2(regidx, bitpos, regidx2, bitpos2) (((uint32_t)(regidx2) << 22) | (uint32_t)((bitpos2) << 16)\
| (((uint32_t)(regidx) << 6) | (uint32_t)(bitpos)))
#define USART_REG_VAL2(usartx, offset) (REG32((usartx) + ((uint32_t)(offset) >> 22)))
#define USART_BIT_POS2(val) (((uint32_t)(val) & 0x1F0000U) >> 16)
/* register offset */
#define USART_STAT0_REG_OFFSET 0x00U /*!< STAT0 register offset */
#define USART_STAT1_REG_OFFSET 0x88U /*!< STAT1 register offset */
#define USART_CTL0_REG_OFFSET 0x0CU /*!< CTL0 register offset */
#define USART_CTL1_REG_OFFSET 0x10U /*!< CTL1 register offset */
#define USART_CTL2_REG_OFFSET 0x14U /*!< CTL2 register offset */
#define USART_CTL3_REG_OFFSET 0x80U /*!< CTL3 register offset */
#define USART_CHC_REG_OFFSET 0xC0U /*!< CHC register offset */
/* USART flags */
typedef enum {
/* flags in STAT0 register */
USART_FLAG_CTS = USART_REGIDX_BIT(USART_STAT0_REG_OFFSET, 9U), /*!< CTS change flag */
USART_FLAG_LBD = USART_REGIDX_BIT(USART_STAT0_REG_OFFSET, 8U), /*!< LIN break detected flag */
USART_FLAG_TBE = USART_REGIDX_BIT(USART_STAT0_REG_OFFSET, 7U), /*!< transmit data buffer empty */
USART_FLAG_TC = USART_REGIDX_BIT(USART_STAT0_REG_OFFSET, 6U), /*!< transmission complete */
USART_FLAG_RBNE = USART_REGIDX_BIT(USART_STAT0_REG_OFFSET, 5U), /*!< read data buffer not empty */
USART_FLAG_IDLE = USART_REGIDX_BIT(USART_STAT0_REG_OFFSET, 4U), /*!< IDLE frame detected flag */
USART_FLAG_ORERR = USART_REGIDX_BIT(USART_STAT0_REG_OFFSET, 3U), /*!< overrun error */
USART_FLAG_NERR = USART_REGIDX_BIT(USART_STAT0_REG_OFFSET, 2U), /*!< noise error flag */
USART_FLAG_FERR = USART_REGIDX_BIT(USART_STAT0_REG_OFFSET, 1U), /*!< frame error flag */
USART_FLAG_PERR = USART_REGIDX_BIT(USART_STAT0_REG_OFFSET, 0U), /*!< parity error flag */
/* flags in STAT1 register */
USART_FLAG_BSY = USART_REGIDX_BIT(USART_STAT1_REG_OFFSET, 16U), /*!< busy flag */
USART_FLAG_EB = USART_REGIDX_BIT(USART_STAT1_REG_OFFSET, 12U), /*!< end of block flag */
USART_FLAG_RT = USART_REGIDX_BIT(USART_STAT1_REG_OFFSET, 11U), /*!< receiver timeout flag */
/* flags in CHC register */
USART_FLAG_EPERR = USART_REGIDX_BIT(USART_CHC_REG_OFFSET, 8U), /*!< early parity error flag */
} usart_flag_enum;
/* USART interrupt flags */
typedef enum {
/* interrupt flags in CTL0 register */
USART_INT_FLAG_PERR = USART_REGIDX_BIT2(USART_CTL0_REG_OFFSET, 8U, USART_STAT0_REG_OFFSET, 0U), /*!< parity error interrupt and flag */
USART_INT_FLAG_TBE = USART_REGIDX_BIT2(USART_CTL0_REG_OFFSET, 7U, USART_STAT0_REG_OFFSET, 7U), /*!< transmitter buffer empty interrupt and flag */
USART_INT_FLAG_TC = USART_REGIDX_BIT2(USART_CTL0_REG_OFFSET, 6U, USART_STAT0_REG_OFFSET, 6U), /*!< transmission complete interrupt and flag */
USART_INT_FLAG_RBNE = USART_REGIDX_BIT2(USART_CTL0_REG_OFFSET, 5U, USART_STAT0_REG_OFFSET, 5U), /*!< read data buffer not empty interrupt and flag */
USART_INT_FLAG_RBNE_ORERR = USART_REGIDX_BIT2(USART_CTL0_REG_OFFSET, 5U, USART_STAT0_REG_OFFSET, 3U), /*!< read data buffer not empty interrupt and overrun error flag */
USART_INT_FLAG_IDLE = USART_REGIDX_BIT2(USART_CTL0_REG_OFFSET, 4U, USART_STAT0_REG_OFFSET, 4U), /*!< IDLE line detected interrupt and flag */
/* interrupt flags in CTL1 register */
USART_INT_FLAG_LBD = USART_REGIDX_BIT2(USART_CTL1_REG_OFFSET, 6U, USART_STAT0_REG_OFFSET, 8U), /*!< LIN break detected interrupt and flag */
/* interrupt flags in CTL2 register */
USART_INT_FLAG_CTS = USART_REGIDX_BIT2(USART_CTL2_REG_OFFSET, 10U, USART_STAT0_REG_OFFSET, 9U), /*!< CTS interrupt and flag */
USART_INT_FLAG_ERR_ORERR = USART_REGIDX_BIT2(USART_CTL2_REG_OFFSET, 0U, USART_STAT0_REG_OFFSET, 3U), /*!< error interrupt and overrun error */
USART_INT_FLAG_ERR_NERR = USART_REGIDX_BIT2(USART_CTL2_REG_OFFSET, 0U, USART_STAT0_REG_OFFSET, 2U), /*!< error interrupt and noise error flag */
USART_INT_FLAG_ERR_FERR = USART_REGIDX_BIT2(USART_CTL2_REG_OFFSET, 0U, USART_STAT0_REG_OFFSET, 1U), /*!< error interrupt and frame error flag */
/* interrupt flags in CTL3 register */
USART_INT_FLAG_EB = USART_REGIDX_BIT2(USART_CTL3_REG_OFFSET, 5U, USART_STAT1_REG_OFFSET, 12U), /*!< interrupt enable bit of end of block event and flag */
USART_INT_FLAG_RT = USART_REGIDX_BIT2(USART_CTL3_REG_OFFSET, 4U, USART_STAT1_REG_OFFSET, 11U), /*!< interrupt enable bit of receive timeout event and flag */
} usart_interrupt_flag_enum;
/* USART interrupt enable or disable */
typedef enum {
/* interrupt in CTL0 register */
USART_INT_PERR = USART_REGIDX_BIT(USART_CTL0_REG_OFFSET, 8U), /*!< parity error interrupt */
USART_INT_TBE = USART_REGIDX_BIT(USART_CTL0_REG_OFFSET, 7U), /*!< transmitter buffer empty interrupt */
USART_INT_TC = USART_REGIDX_BIT(USART_CTL0_REG_OFFSET, 6U), /*!< transmission complete interrupt */
USART_INT_RBNE = USART_REGIDX_BIT(USART_CTL0_REG_OFFSET, 5U), /*!< read data buffer not empty interrupt and overrun error interrupt */
USART_INT_IDLE = USART_REGIDX_BIT(USART_CTL0_REG_OFFSET, 4U), /*!< IDLE line detected interrupt */
/* interrupt in CTL1 register */
USART_INT_LBD = USART_REGIDX_BIT(USART_CTL1_REG_OFFSET, 6U), /*!< LIN break detected interrupt */
/* interrupt in CTL2 register */
USART_INT_CTS = USART_REGIDX_BIT(USART_CTL2_REG_OFFSET, 10U), /*!< CTS interrupt */
USART_INT_ERR = USART_REGIDX_BIT(USART_CTL2_REG_OFFSET, 0U), /*!< error interrupt */
/* interrupt in CTL3 register */
USART_INT_EB = USART_REGIDX_BIT(USART_CTL3_REG_OFFSET, 5U), /*!< end of block interrupt */
USART_INT_RT = USART_REGIDX_BIT(USART_CTL3_REG_OFFSET, 4U), /*!< receive timeout interrupt */
} usart_interrupt_enum;
/* USART invert configure */
typedef enum {
/* data bit level inversion */
USART_DINV_ENABLE, /*!< data bit level inversion */
USART_DINV_DISABLE, /*!< data bit level not inversion */
/* TX pin level inversion */
USART_TXPIN_ENABLE, /*!< TX pin level inversion */
USART_TXPIN_DISABLE, /*!< TX pin level not inversion */
/* RX pin level inversion */
USART_RXPIN_ENABLE, /*!< RX pin level inversion */
USART_RXPIN_DISABLE, /*!< RX pin level not inversion */
} usart_invert_enum;
/* USART receiver configure */
#define CTL0_REN(regval) (BIT(2) & ((uint32_t)(regval) << 2))
#define USART_RECEIVE_ENABLE CTL0_REN(1) /*!< enable receiver */
#define USART_RECEIVE_DISABLE CTL0_REN(0) /*!< disable receiver */
/* USART transmitter configure */
#define CTL0_TEN(regval) (BIT(3) & ((uint32_t)(regval) << 3))
#define USART_TRANSMIT_ENABLE CTL0_TEN(1) /*!< enable transmitter */
#define USART_TRANSMIT_DISABLE CTL0_TEN(0) /*!< disable transmitter */
/* USART parity bits definitions */
#define CTL0_PM(regval) (BITS(9,10) & ((uint32_t)(regval) << 9))
#define USART_PM_NONE CTL0_PM(0) /*!< no parity */
#define USART_PM_EVEN CTL0_PM(2) /*!< even parity */
#define USART_PM_ODD CTL0_PM(3) /*!< odd parity */
/* USART wakeup method in mute mode */
#define CTL0_WM(regval) (BIT(11) & ((uint32_t)(regval) << 11))
#define USART_WM_IDLE CTL0_WM(0) /*!< idle line */
#define USART_WM_ADDR CTL0_WM(1) /*!< address match */
/* USART word length definitions */
#define CTL0_WL(regval) (BIT(12) & ((uint32_t)(regval) << 12))
#define USART_WL_8BIT CTL0_WL(0) /*!< 8 bits */
#define USART_WL_9BIT CTL0_WL(1) /*!< 9 bits */
/* USART stop bits definitions */
#define CTL1_STB(regval) (BITS(12,13) & ((uint32_t)(regval) << 12))
#define USART_STB_1BIT CTL1_STB(0) /*!< 1 bit */
#define USART_STB_0_5BIT CTL1_STB(1) /*!< 0.5 bit */
#define USART_STB_2BIT CTL1_STB(2) /*!< 2 bits */
#define USART_STB_1_5BIT CTL1_STB(3) /*!< 1.5 bits */
/* USART LIN break frame length */
#define CTL1_LBLEN(regval) (BIT(5) & ((uint32_t)(regval) << 5))
#define USART_LBLEN_10B CTL1_LBLEN(0) /*!< 10 bits */
#define USART_LBLEN_11B CTL1_LBLEN(1) /*!< 11 bits */
/* USART CK length */
#define CTL1_CLEN(regval) (BIT(8) & ((uint32_t)(regval) << 8))
#define USART_CLEN_NONE CTL1_CLEN(0) /*!< there are 7 CK pulses for an 8 bit frame and 8 CK pulses for a 9 bit frame */
#define USART_CLEN_EN CTL1_CLEN(1) /*!< there are 8 CK pulses for an 8 bit frame and 9 CK pulses for a 9 bit frame */
/* USART clock phase */
#define CTL1_CPH(regval) (BIT(9) & ((uint32_t)(regval) << 9))
#define USART_CPH_1CK CTL1_CPH(0) /*!< first clock transition is the first data capture edge */
#define USART_CPH_2CK CTL1_CPH(1) /*!< second clock transition is the first data capture edge */
/* USART clock polarity */
#define CTL1_CPL(regval) (BIT(10) & ((uint32_t)(regval) << 10))
#define USART_CPL_LOW CTL1_CPL(0) /*!< steady low value on CK pin */
#define USART_CPL_HIGH CTL1_CPL(1) /*!< steady high value on CK pin */
/* USART DMA request for receive configure */
#define CLT2_DENR(regval) (BIT(6) & ((uint32_t)(regval) << 6))
#define USART_DENR_ENABLE CLT2_DENR(1) /*!< DMA request enable for reception */
#define USART_DENR_DISABLE CLT2_DENR(0) /*!< DMA request disable for reception */
/* USART DMA request for transmission configure */
#define CLT2_DENT(regval) (BIT(7) & ((uint32_t)(regval) << 7))
#define USART_DENT_ENABLE CLT2_DENT(1) /*!< DMA request enable for transmission */
#define USART_DENT_DISABLE CLT2_DENT(0) /*!< DMA request disable for transmission */
/* USART RTS configure */
#define CLT2_RTSEN(regval) (BIT(8) & ((uint32_t)(regval) << 8))
#define USART_RTS_ENABLE CLT2_RTSEN(1) /*!< RTS enable */
#define USART_RTS_DISABLE CLT2_RTSEN(0) /*!< RTS disable */
/* USART CTS configure */
#define CLT2_CTSEN(regval) (BIT(9) & ((uint32_t)(regval) << 9))
#define USART_CTS_ENABLE CLT2_CTSEN(1) /*!< CTS enable */
#define USART_CTS_DISABLE CLT2_CTSEN(0) /*!< CTS disable */
/* USART IrDA low-power enable */
#define CTL2_IRLP(regval) (BIT(2) & ((uint32_t)(regval) << 2))
#define USART_IRLP_LOW CTL2_IRLP(1) /*!< low-power */
#define USART_IRLP_NORMAL CTL2_IRLP(0) /*!< normal */
/* USART data is transmitted/received with the LSB/MSB first */
#define USART_MSBF_LSB ((uint32_t)0x00000000U) /*!< LSB first */
#define USART_MSBF_MSB USART_CTL3_MSBF /*!< MSB first */
/* USART hardware flow control coherence mode */
#define USART_RTS_NONE_COHERENCE ((uint32_t)0x00000000U) /*!< nRTS signal equals to the RBNE bit in USART_STAT0 */
#define USART_RTS_COHERENCE USART_CHC_HCM /*!< nRTS signal is set when the last data bit has been sampled */
#ifdef GD_MBED_USED
/* USART error code */
#define USART_ERROR_CODE_NONE 0U /*!< no error */
#define USART_ERROR_CODE_PERR BIT(0) /*!< parity error */
#define USART_ERROR_CODE_NERR BIT(1) /*!< noise error */
#define USART_ERROR_CODE_FERR BIT(2) /*!< frame error */
#define USART_ERROR_CODE_ORERR BIT(3) /*!< overrun error */
/* USART hardware control configuration */
#define USART_HWCONTROL_NONE 0U
#define USART_HWCONTROL_RTS USART_RTS_ENABLE
#define USART_HWCONTROL_CTS USART_CTS_ENABLE
#define USART_HWCONTROL_RTS_CTS (USART_RTS_ENABLE | USART_CTS_ENABLE)
#endif
/* function declarations */
/* initialization functions */
/* reset USART */
void usart_deinit(uint32_t usart_periph);
/* configure USART baud rate value */
void usart_baudrate_set(uint32_t usart_periph, uint32_t baudval);
/* configure USART parity function */
void usart_parity_config(uint32_t usart_periph, uint32_t paritycfg);
/* configure USART word length */
void usart_word_length_set(uint32_t usart_periph, uint32_t wlen);
/* configure USART stop bit length */
void usart_stop_bit_set(uint32_t usart_periph, uint32_t stblen);
/* enable USART */
void usart_enable(uint32_t usart_periph);
/* disable USART */
void usart_disable(uint32_t usart_periph);
/* configure USART transmitter */
void usart_transmit_config(uint32_t usart_periph, uint32_t txconfig);
/* configure USART receiver */
void usart_receive_config(uint32_t usart_periph, uint32_t rxconfig);
/* USART normal mode communication */
/* data is transmitted/received with the LSB/MSB first */
void usart_data_first_config(uint32_t usart_periph, uint32_t msbf);
/* configure USART inverted */
void usart_invert_config(uint32_t usart_periph, usart_invert_enum invertpara);
/* enable receiver timeout */
void usart_receiver_timeout_enable(uint32_t usart_periph);
/* disable receiver timeout */
void usart_receiver_timeout_disable(uint32_t usart_periph);
/* configure receiver timeout threshold */
void usart_receiver_timeout_threshold_config(uint32_t usart_periph, uint32_t rtimeout);
/* USART transmit data function */
void usart_data_transmit(uint32_t usart_periph, uint32_t data);
/* USART receive data function */
uint16_t usart_data_receive(uint32_t usart_periph);
/* multi-processor communication */
/* configure address of the USART */
void usart_address_config(uint32_t usart_periph, uint8_t addr);
/* enable mute mode */
void usart_mute_mode_enable(uint32_t usart_periph);
/* disable mute mode */
void usart_mute_mode_disable(uint32_t usart_periph);
/* configure wakeup method in mute mode */
void usart_mute_mode_wakeup_config(uint32_t usart_periph, uint32_t wmethod);
/* LIN mode communication */
/* enable LIN mode */
void usart_lin_mode_enable(uint32_t usart_periph);
/* disable LIN mode */
void usart_lin_mode_disable(uint32_t usart_periph);
/* LIN break detection length */
void usart_lin_break_detection_length_config(uint32_t usart_periph, uint32_t lblen);
/* send break frame */
void usart_send_break(uint32_t usart_periph);
/* half-duplex communication */
/* enable half-duplex mode */
void usart_halfduplex_enable(uint32_t usart_periph);
/* disable half-duplex mode */
void usart_halfduplex_disable(uint32_t usart_periph);
/* synchronous communication */
/* enable CK pin in synchronous mode */
void usart_synchronous_clock_enable(uint32_t usart_periph);
/* disable CK pin in synchronous mode */
void usart_synchronous_clock_disable(uint32_t usart_periph);
/* configure usart synchronous mode parameters */
void usart_synchronous_clock_config(uint32_t usart_periph, uint32_t clen, uint32_t cph, uint32_t cpl);
/* smartcard communication */
/* configure guard time value in smartcard mode */
void usart_guard_time_config(uint32_t usart_periph, uint32_t guat);
/* enable smartcard mode */
void usart_smartcard_mode_enable(uint32_t usart_periph);
/* disable smartcard mode */
void usart_smartcard_mode_disable(uint32_t usart_periph);
/* enable NACK in smartcard mode */
void usart_smartcard_mode_nack_enable(uint32_t usart_periph);
/* disable NACK in smartcard mode */
void usart_smartcard_mode_nack_disable(uint32_t usart_periph);
/* configure smartcard auto-retry number */
void usart_smartcard_autoretry_config(uint32_t usart_periph, uint32_t scrtnum);
/* configure block length */
void usart_block_length_config(uint32_t usart_periph, uint32_t bl);
/* IrDA communication */
/* enable IrDA mode */
void usart_irda_mode_enable(uint32_t usart_periph);
/* disable IrDA mode */
void usart_irda_mode_disable(uint32_t usart_periph);
/* configure the peripheral clock prescaler */
void usart_prescaler_config(uint32_t usart_periph, uint8_t psc);
/* configure IrDA low-power */
void usart_irda_lowpower_config(uint32_t usart_periph, uint32_t irlp);
/* hardware flow communication */
/* configure hardware flow control RTS */
void usart_hardware_flow_rts_config(uint32_t usart_periph, uint32_t rtsconfig);
/* configure hardware flow control CTS */
void usart_hardware_flow_cts_config(uint32_t usart_periph, uint32_t ctsconfig);
/* DMA communication */
/* configure USART DMA for reception */
void usart_dma_receive_config(uint32_t usart_periph, uint32_t dmacmd);
/* configure USART DMA for transmission */
void usart_dma_transmit_config(uint32_t usart_periph, uint32_t dmacmd);
/* coherence control */
/* configure hardware flow control coherence mode */
void usart_hardware_flow_coherence_config(uint32_t usart_periph, uint32_t hcm);
/* flag & interrupt functions */
/* get flag in STAT0/STAT1 register */
FlagStatus usart_flag_get(uint32_t usart_periph, usart_flag_enum flag);
/* clear flag in STAT0/STAT1 register */
void usart_flag_clear(uint32_t usart_periph, usart_flag_enum flag);
/* enable USART interrupt */
void usart_interrupt_enable(uint32_t usart_periph, usart_interrupt_enum interrupt);
/* disable USART interrupt */
void usart_interrupt_disable(uint32_t usart_periph, usart_interrupt_enum interrupt);
/* get USART interrupt and flag status */
FlagStatus usart_interrupt_flag_get(uint32_t usart_periph, usart_interrupt_flag_enum int_flag);
/* clear interrupt flag in STAT0/STAT1 register */
void usart_interrupt_flag_clear(uint32_t usart_periph, usart_interrupt_flag_enum int_flag);
#endif /* GD32E10X_USART_H */

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/*!
\file gd32e10x_wwdgt.h
\brief definitions for the WWDGT
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_WWDGT_H
#define GD32E10X_WWDGT_H
#include "gd32e10x.h"
/* WWDGT definitions */
#define WWDGT WWDGT_BASE
/* registers definitions */
#define WWDGT_CTL REG32((WWDGT) + 0x00U) /*!< WWDGT control register */
#define WWDGT_CFG REG32((WWDGT) + 0x04U) /*!< WWDGT configuration register */
#define WWDGT_STAT REG32((WWDGT) + 0x08U) /*!< WWDGT status register */
/* bits definitions */
/* WWDGT_CTL */
#define WWDGT_CTL_CNT BITS(0,6) /*!< WWDGT counter value */
#define WWDGT_CTL_WDGTEN BIT(7) /*!< WWDGT counter enable */
/* WWDGT_CFG */
#define WWDGT_CFG_WIN BITS(0,6) /*!< WWDGT counter window value */
#define WWDGT_CFG_PSC BITS(7,8) /*!< WWDGT prescaler divider value */
#define WWDGT_CFG_EWIE BIT(9) /*!< early wakeup interrupt enable */
/* WWDGT_STAT */
#define WWDGT_STAT_EWIF BIT(0) /*!< early wakeup interrupt flag */
/* constants definitions */
#define CFG_PSC(regval) (BITS(7,8) & ((uint32_t)(regval) << 7)) /*!< write value to WWDGT_CFG_PSC bit field */
#define WWDGT_CFG_PSC_DIV1 CFG_PSC(0) /*!< the time base of WWDGT = (PCLK1/4096)/1 */
#define WWDGT_CFG_PSC_DIV2 CFG_PSC(1) /*!< the time base of WWDGT = (PCLK1/4096)/2 */
#define WWDGT_CFG_PSC_DIV4 CFG_PSC(2) /*!< the time base of WWDGT = (PCLK1/4096)/4 */
#define WWDGT_CFG_PSC_DIV8 CFG_PSC(3) /*!< the time base of WWDGT = (PCLK1/4096)/8 */
/* function declarations */
/* reset the window watchdog timer configuration */
void wwdgt_deinit(void);
/* start the window watchdog timer counter */
void wwdgt_enable(void);
/* configure the window watchdog timer counter value */
void wwdgt_counter_update(uint16_t counter_value);
/* configure counter value, window value, and prescaler divider value */
void wwdgt_config(uint16_t counter, uint16_t window, uint32_t prescaler);
/* enable early wakeup interrupt of WWDGT */
void wwdgt_interrupt_enable(void);
/* check early wakeup interrupt state of WWDGT */
FlagStatus wwdgt_flag_get(void);
/* clear early wakeup interrupt state of WWDGT */
void wwdgt_flag_clear(void);
#endif /* GD32E10X_WWDGT_H */

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targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Source/gd32e10x_adc.c Normal file
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/*!
\file gd32e10x_adc.c
\brief ADC driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_adc.h"
/* discontinuous mode macro*/
#define ADC_CHANNEL_LENGTH_SUBTRACT_ONE ((uint8_t)1U)
/* ADC regular channel macro */
#define ADC_REGULAR_CHANNEL_RANK_SIX ((uint8_t)6U)
#define ADC_REGULAR_CHANNEL_RANK_TWELVE ((uint8_t)12U)
#define ADC_REGULAR_CHANNEL_RANK_SIXTEEN ((uint8_t)16U)
#define ADC_REGULAR_CHANNEL_RANK_LENGTH ((uint8_t)5U)
/* ADC sampling time macro */
#define ADC_CHANNEL_SAMPLE_TEN ((uint8_t)10U)
#define ADC_CHANNEL_SAMPLE_EIGHTEEN ((uint8_t)18U)
#define ADC_CHANNEL_SAMPLE_LENGTH ((uint8_t)3U)
/* ADC inserted channel macro */
#define ADC_INSERTED_CHANNEL_RANK_LENGTH ((uint8_t)5U)
#define ADC_INSERTED_CHANNEL_SHIFT_LENGTH ((uint8_t)15U)
/* ADC inserted channel offset macro */
#define ADC_OFFSET_LENGTH ((uint8_t)3U)
#define ADC_OFFSET_SHIFT_LENGTH ((uint8_t)4U)
/*!
\brief reset ADC
\param[in] adc_periph: ADCx,x=0,1
\param[out] none
\retval none
*/
void adc_deinit(uint32_t adc_periph)
{
switch (adc_periph) {
case ADC0:
/* reset ADC0 */
rcu_periph_reset_enable(RCU_ADC0RST);
rcu_periph_reset_disable(RCU_ADC0RST);
break;
case ADC1:
/* reset ADC1 */
rcu_periph_reset_enable(RCU_ADC1RST);
rcu_periph_reset_disable(RCU_ADC1RST);
break;
default:
break;
}
}
/*!
\brief configure the ADC sync mode
\param[in] mode: ADC mode
only one parameter can be selected which is shown as below:
\arg ADC_MODE_FREE: all the ADCs work independently
\arg ADC_DAUL_REGULAL_PARALLEL_INSERTED_PARALLEL: ADC0 and ADC1 work in combined regular parallel + inserted parallel mode
\arg ADC_DAUL_REGULAL_PARALLEL_INSERTED_ROTATION: ADC0 and ADC1 work in combined regular parallel + trigger rotation mode
\arg ADC_DAUL_INSERTED_PARALLEL_REGULAL_FOLLOWUP_FAST: ADC0 and ADC1 work in combined inserted parallel + follow-up fast mode
\arg ADC_DAUL_INSERTED_PARALLEL_REGULAL_FOLLOWUP_SLOW: ADC0 and ADC1 work in combined inserted parallel + follow-up slow mode
\arg ADC_DAUL_INSERTED_PARALLEL: ADC0 and ADC1 work in inserted parallel mode only
\arg ADC_DAUL_REGULAL_PARALLEL: ADC0 and ADC1 work in regular parallel mode only
\arg ADC_DAUL_REGULAL_FOLLOWUP_FAST: ADC0 and ADC1 work in follow-up fast mode only
\arg ADC_DAUL_REGULAL_FOLLOWUP_SLOW: ADC0 and ADC1 work in follow-up slow mode only
\arg ADC_DAUL_INSERTED_TRIGGER_ROTATION: ADC0 and ADC1 work in trigger rotation mode only
\param[out] none
\retval none
*/
void adc_mode_config(uint32_t mode)
{
ADC_CTL0(ADC0) &= ~(ADC_CTL0_SYNCM);
ADC_CTL0(ADC0) |= mode;
}
/*!
\brief enable or disable ADC special function
\param[in] adc_periph: ADCx,x=0,1
\param[in] function: the function to config
only one parameter can be selected which is shown as below:
\arg ADC_SCAN_MODE: scan mode select
\arg ADC_INSERTED_CHANNEL_AUTO: inserted channel group convert automatically
\arg ADC_CONTINUOUS_MODE: continuous mode select
\param[in] newvalue: ENABLE or DISABLE
\param[out] none
\retval none
*/
void adc_special_function_config(uint32_t adc_periph, uint32_t function, ControlStatus newvalue)
{
if (newvalue) {
if (0U != (function & ADC_SCAN_MODE)) {
/* enable scan mode */
ADC_CTL0(adc_periph) |= ADC_SCAN_MODE;
}
if (0U != (function & ADC_INSERTED_CHANNEL_AUTO)) {
/* enable inserted channel group convert automatically */
ADC_CTL0(adc_periph) |= ADC_INSERTED_CHANNEL_AUTO;
}
if (0U != (function & ADC_CONTINUOUS_MODE)) {
/* enable continuous mode */
ADC_CTL1(adc_periph) |= ADC_CONTINUOUS_MODE;
}
} else {
if (0U != (function & ADC_SCAN_MODE)) {
/* disable scan mode */
ADC_CTL0(adc_periph) &= ~ADC_SCAN_MODE;
}
if (0U != (function & ADC_INSERTED_CHANNEL_AUTO)) {
/* disable inserted channel group convert automatically */
ADC_CTL0(adc_periph) &= ~ADC_INSERTED_CHANNEL_AUTO;
}
if (0U != (function & ADC_CONTINUOUS_MODE)) {
/* disable continuous mode */
ADC_CTL1(adc_periph) &= ~ADC_CONTINUOUS_MODE;
}
}
}
/*!
\brief configure ADC data alignment
\param[in] adc_periph: ADCx,x=0,1
\param[in] data_alignment: data alignment select
only one parameter can be selected which is shown as below:
\arg ADC_DATAALIGN_RIGHT: LSB alignment
\arg ADC_DATAALIGN_LEFT: MSB alignment
\param[out] none
\retval none
*/
void adc_data_alignment_config(uint32_t adc_periph, uint32_t data_alignment)
{
if (ADC_DATAALIGN_RIGHT != data_alignment) {
/* MSB alignment */
ADC_CTL1(adc_periph) |= ADC_CTL1_DAL;
} else {
/* LSB alignment */
ADC_CTL1(adc_periph) &= ~((uint32_t)ADC_CTL1_DAL);
}
}
/*!
\brief enable ADC interface
\param[in] adc_periph: ADCx,x=0,1
\param[out] none
\retval none
*/
void adc_enable(uint32_t adc_periph)
{
if (RESET == (ADC_CTL1(adc_periph) & ADC_CTL1_ADCON)) {
/* enable ADC */
ADC_CTL1(adc_periph) |= (uint32_t)ADC_CTL1_ADCON;
}
}
/*!
\brief disable ADC interface
\param[in] adc_periph: ADCx,x=0,1
\param[out] none
\retval none
*/
void adc_disable(uint32_t adc_periph)
{
/* disable ADC */
ADC_CTL1(adc_periph) &= ~((uint32_t)ADC_CTL1_ADCON);
}
/*!
\brief ADC calibration and reset calibration
\param[in] adc_periph: ADCx,x=0,1
\param[out] none
\retval none
*/
void adc_calibration_enable(uint32_t adc_periph)
{
/* reset the selected ADC1 calibration registers */
ADC_CTL1(adc_periph) |= (uint32_t) ADC_CTL1_RSTCLB;
/* check the RSTCLB bit state */
while (RESET != (ADC_CTL1(adc_periph) & ADC_CTL1_RSTCLB)) {
}
/* enable ADC calibration process */
ADC_CTL1(adc_periph) |= ADC_CTL1_CLB;
/* check the CLB bit state */
while (RESET != (ADC_CTL1(adc_periph) & ADC_CTL1_CLB)) {
}
}
/*!
\brief enable the temperature sensor and Vrefint channel
\param[in] none
\param[out] none
\retval none
*/
void adc_tempsensor_vrefint_enable(void)
{
/* enable the temperature sensor and Vrefint channel */
ADC_CTL1(ADC0) |= ADC_CTL1_TSVREN;
}
/*!
\brief disable the temperature sensor and Vrefint channel
\param[in] none
\param[out] none
\retval none
*/
void adc_tempsensor_vrefint_disable(void)
{
/* disable the temperature sensor and Vrefint channel */
ADC_CTL1(ADC0) &= ~ADC_CTL1_TSVREN;
}
/*!
\brief configure ADC resolution
\param[in] adc_periph: ADCx,x=0,1
\param[in] resolution: ADC resolution
only one parameter can be selected which is shown as below:
\arg ADC_RESOLUTION_12B: 12-bit ADC resolution
\arg ADC_RESOLUTION_10B: 10-bit ADC resolution
\arg ADC_RESOLUTION_8B: 8-bit ADC resolution
\arg ADC_RESOLUTION_6B: 6-bit ADC resolution
\param[out] none
\retval none
*/
void adc_resolution_config(uint32_t adc_periph, uint32_t resolution)
{
ADC_OVSAMPCTL(adc_periph) &= ~((uint32_t)ADC_OVSAMPCTL_DRES);
ADC_OVSAMPCTL(adc_periph) |= (uint32_t)resolution;
}
/*!
\brief configure ADC oversample mode
\param[in] adc_periph: ADCx,x=0,1
\param[in] mode: ADC oversampling mode
only one parameter can be selected which is shown as below:
\arg ADC_OVERSAMPLING_ALL_CONVERT: all oversampled conversions for a channel are done consecutively after a trigger
\arg ADC_OVERSAMPLING_ONE_CONVERT: each oversampled conversion for a channel needs a trigger
\param[in] shift: ADC oversampling shift
only one parameter can be selected which is shown as below:
\arg ADC_OVERSAMPLING_SHIFT_NONE: no oversampling shift
\arg ADC_OVERSAMPLING_SHIFT_1B: 1-bit oversampling shift
\arg ADC_OVERSAMPLING_SHIFT_2B: 2-bit oversampling shift
\arg ADC_OVERSAMPLING_SHIFT_3B: 3-bit oversampling shift
\arg ADC_OVERSAMPLING_SHIFT_4B: 3-bit oversampling shift
\arg ADC_OVERSAMPLING_SHIFT_5B: 5-bit oversampling shift
\arg ADC_OVERSAMPLING_SHIFT_6B: 6-bit oversampling shift
\arg ADC_OVERSAMPLING_SHIFT_7B: 7-bit oversampling shift
\arg ADC_OVERSAMPLING_SHIFT_8B: 8-bit oversampling shift
\param[in] ratio: ADC oversampling ratio
only one parameter can be selected which is shown as below:
\arg ADC_OVERSAMPLING_RATIO_MUL2: oversampling ratio multiple 2
\arg ADC_OVERSAMPLING_RATIO_MUL4: oversampling ratio multiple 4
\arg ADC_OVERSAMPLING_RATIO_MUL8: oversampling ratio multiple 8
\arg ADC_OVERSAMPLING_RATIO_MUL16: oversampling ratio multiple 16
\arg ADC_OVERSAMPLING_RATIO_MUL32: oversampling ratio multiple 32
\arg ADC_OVERSAMPLING_RATIO_MUL64: oversampling ratio multiple 64
\arg ADC_OVERSAMPLING_RATIO_MUL128: oversampling ratio multiple 128
\arg ADC_OVERSAMPLING_RATIO_MUL256: oversampling ratio multiple 256
\param[out] none
\retval none
*/
void adc_oversample_mode_config(uint32_t adc_periph, uint32_t mode, uint16_t shift, uint8_t ratio)
{
if (ADC_OVERSAMPLING_ONE_CONVERT == mode) {
ADC_OVSAMPCTL(adc_periph) |= (uint32_t)ADC_OVSAMPCTL_TOVS;
} else {
ADC_OVSAMPCTL(adc_periph) &= ~((uint32_t)ADC_OVSAMPCTL_TOVS);
}
/* config the shift and ratio */
ADC_OVSAMPCTL(adc_periph) &= ~((uint32_t)(ADC_OVSAMPCTL_OVSR | ADC_OVSAMPCTL_OVSS));
ADC_OVSAMPCTL(adc_periph) |= ((uint32_t)shift | (uint32_t)ratio);
}
/*!
\brief enable ADC oversample mode
\param[in] adc_periph: ADCx,x=0,1
\param[out] none
\retval none
*/
void adc_oversample_mode_enable(uint32_t adc_periph)
{
ADC_OVSAMPCTL(adc_periph) |= ADC_OVSAMPCTL_OVSEN;
}
/*!
\brief disable ADC oversample mode
\param[in] adc_periph: ADCx,x=0,1
\param[out] none
\retval none
*/
void adc_oversample_mode_disable(uint32_t adc_periph)
{
ADC_OVSAMPCTL(adc_periph) &= ~((uint32_t)ADC_OVSAMPCTL_OVSEN);
}
/*!
\brief enable DMA request
\param[in] adc_periph: ADCx,x=0,1
\param[out] none
\retval none
*/
void adc_dma_mode_enable(uint32_t adc_periph)
{
/* enable DMA request */
ADC_CTL1(adc_periph) |= (uint32_t)(ADC_CTL1_DMA);
}
/*!
\brief disable DMA request
\param[in] adc_periph: ADCx,x=0,1
\param[out] none
\retval none
*/
void adc_dma_mode_disable(uint32_t adc_periph)
{
/* disable DMA request */
ADC_CTL1(adc_periph) &= ~((uint32_t)ADC_CTL1_DMA);
}
/*!
\brief configure ADC discontinuous mode
\param[in] adc_periph: ADCx,x=0,1
\param[in] adc_channel_group: select the channel group
only one parameter can be selected which is shown as below:
\arg ADC_REGULAR_CHANNEL: regular channel group
\arg ADC_INSERTED_CHANNEL: inserted channel group
\arg ADC_CHANNEL_DISCON_DISABLE: disable discontinuous mode of regular & inserted channel
\param[in] length: number of conversions in discontinuous mode,the number can be 1..8
for regular channel ,the number has no effect for inserted channel
\param[out] none
\retval none
*/
void adc_discontinuous_mode_config(uint32_t adc_periph, uint8_t adc_channel_group, uint8_t length)
{
/* disable discontinuous mode of regular & inserted channel */
ADC_CTL0(adc_periph) &= ~((uint32_t)(ADC_CTL0_DISRC | ADC_CTL0_DISIC));
switch (adc_channel_group) {
case ADC_REGULAR_CHANNEL:
/* config the number of conversions in discontinuous mode */
ADC_CTL0(adc_periph) &= ~((uint32_t)ADC_CTL0_DISNUM);
ADC_CTL0(adc_periph) |= CTL0_DISNUM(((uint32_t)length - ADC_CHANNEL_LENGTH_SUBTRACT_ONE));
/* enable regular channel group discontinuous mode */
ADC_CTL0(adc_periph) |= (uint32_t)ADC_CTL0_DISRC;
break;
case ADC_INSERTED_CHANNEL:
/* enable inserted channel group discontinuous mode */
ADC_CTL0(adc_periph) |= (uint32_t)ADC_CTL0_DISIC;
break;
case ADC_CHANNEL_DISCON_DISABLE:
/* disable discontinuous mode of regular & inserted channel */
default:
break;
}
}
/*!
\brief configure the length of regular channel group or inserted channel group
\param[in] adc_periph: ADCx,x=0,1
\param[in] adc_channel_group: select the channel group
only one parameter can be selected which is shown as below:
\arg ADC_REGULAR_CHANNEL: regular channel group
\arg ADC_INSERTED_CHANNEL: inserted channel group
\param[in] length: the length of the channel
regular channel 1-16
inserted channel 1-4
\param[out] none
\retval none
*/
void adc_channel_length_config(uint32_t adc_periph, uint8_t adc_channel_group, uint32_t length)
{
switch (adc_channel_group) {
case ADC_REGULAR_CHANNEL:
/* configure the length of regular channel group */
ADC_RSQ0(adc_periph) &= ~((uint32_t)ADC_RSQ0_RL);
ADC_RSQ0(adc_periph) |= RSQ0_RL((uint32_t)(length - ADC_CHANNEL_LENGTH_SUBTRACT_ONE));
break;
case ADC_INSERTED_CHANNEL:
/* configure the length of inserted channel group */
ADC_ISQ(adc_periph) &= ~((uint32_t)ADC_ISQ_IL);
ADC_ISQ(adc_periph) |= ISQ_IL((uint32_t)(length - ADC_CHANNEL_LENGTH_SUBTRACT_ONE));
break;
default:
break;
}
}
/*!
\brief configure ADC regular channel
\param[in] adc_periph: ADCx,x=0,1
\param[in] rank: the regular group sequence rank,this parameter must be between 0 to 15
\param[in] adc_channel: the selected ADC channel
only one parameter can be selected which is shown as below:
\arg ADC_CHANNEL_x(x=0..17)(x=16 and x=17 are only for ADC0): ADC Channelx
\param[in] sample_time: the sample time value
only one parameter can be selected which is shown as below:
\arg ADC_SAMPLETIME_1POINT5: 1.5 cycles
\arg ADC_SAMPLETIME_7POINT5: 7.5 cycles
\arg ADC_SAMPLETIME_13POINT5: 13.5 cycles
\arg ADC_SAMPLETIME_28POINT5: 28.5 cycles
\arg ADC_SAMPLETIME_41POINT5: 41.5 cycles
\arg ADC_SAMPLETIME_55POINT5: 55.5 cycles
\arg ADC_SAMPLETIME_71POINT5: 71.5 cycles
\arg ADC_SAMPLETIME_239POINT5: 239.5 cycles
\param[out] none
\retval none
*/
void adc_regular_channel_config(uint32_t adc_periph, uint8_t rank, uint8_t adc_channel, uint32_t sample_time)
{
uint32_t rsq, sampt;
/* ADC regular sequence config */
if (rank < ADC_REGULAR_CHANNEL_RANK_SIX) {
/* the regular group sequence rank is smaller than six */
rsq = ADC_RSQ2(adc_periph);
rsq &= ~((uint32_t)(ADC_RSQX_RSQN << (ADC_REGULAR_CHANNEL_RANK_LENGTH * rank)));
/* the channel number is written to these bits to select a channel as the nth conversion in the regular channel group */
rsq |= ((uint32_t)adc_channel << (ADC_REGULAR_CHANNEL_RANK_LENGTH * rank));
ADC_RSQ2(adc_periph) = rsq;
} else if (rank < ADC_REGULAR_CHANNEL_RANK_TWELVE) {
/* the regular group sequence rank is smaller than twelve */
rsq = ADC_RSQ1(adc_periph);
rsq &= ~((uint32_t)(ADC_RSQX_RSQN << (ADC_REGULAR_CHANNEL_RANK_LENGTH * (rank - ADC_REGULAR_CHANNEL_RANK_SIX))));
/* the channel number is written to these bits to select a channel as the nth conversion in the regular channel group */
rsq |= ((uint32_t)adc_channel << (ADC_REGULAR_CHANNEL_RANK_LENGTH * (rank - ADC_REGULAR_CHANNEL_RANK_SIX)));
ADC_RSQ1(adc_periph) = rsq;
} else if (rank < ADC_REGULAR_CHANNEL_RANK_SIXTEEN) {
/* the regular group sequence rank is smaller than sixteen */
rsq = ADC_RSQ0(adc_periph);
rsq &= ~((uint32_t)(ADC_RSQX_RSQN << (ADC_REGULAR_CHANNEL_RANK_LENGTH * (rank - ADC_REGULAR_CHANNEL_RANK_TWELVE))));
/* the channel number is written to these bits to select a channel as the nth conversion in the regular channel group */
rsq |= ((uint32_t)adc_channel << (ADC_REGULAR_CHANNEL_RANK_LENGTH * (rank - ADC_REGULAR_CHANNEL_RANK_TWELVE)));
ADC_RSQ0(adc_periph) = rsq;
} else {
}
/* ADC sampling time config */
if (adc_channel < ADC_CHANNEL_SAMPLE_TEN) {
/* the regular group sequence rank is smaller than ten */
sampt = ADC_SAMPT1(adc_periph);
sampt &= ~((uint32_t)(ADC_SAMPTX_SPTN << (ADC_CHANNEL_SAMPLE_LENGTH * adc_channel)));
/* channel sample time set*/
sampt |= (uint32_t)(sample_time << (ADC_CHANNEL_SAMPLE_LENGTH * adc_channel));
ADC_SAMPT1(adc_periph) = sampt;
} else if (adc_channel < ADC_CHANNEL_SAMPLE_EIGHTEEN) {
/* the regular group sequence rank is smaller than eighteen */
sampt = ADC_SAMPT0(adc_periph);
sampt &= ~((uint32_t)(ADC_SAMPTX_SPTN << (ADC_CHANNEL_SAMPLE_LENGTH * (adc_channel - ADC_CHANNEL_SAMPLE_TEN))));
/* channel sample time set*/
sampt |= (uint32_t)(sample_time << (ADC_CHANNEL_SAMPLE_LENGTH * (adc_channel - ADC_CHANNEL_SAMPLE_TEN)));
ADC_SAMPT0(adc_periph) = sampt;
} else {
}
}
/*!
\brief configure ADC inserted channel
\param[in] adc_periph: ADCx,x=0,1
\param[in] rank: the inserted group sequencer rank,this parameter must be between 0 to 3
\param[in] adc_channel: the selected ADC channel
only one parameter can be selected which is shown as below:
\arg ADC_CHANNEL_x(x=0..17)(x=16 and x=17 are only for ADC0): ADC Channelx
\param[in] sample_time: The sample time value
only one parameter can be selected which is shown as below:
\arg ADC_SAMPLETIME_1POINT5: 1.5 cycles
\arg ADC_SAMPLETIME_7POINT5: 7.5 cycles
\arg ADC_SAMPLETIME_13POINT5: 13.5 cycles
\arg ADC_SAMPLETIME_28POINT5: 28.5 cycles
\arg ADC_SAMPLETIME_41POINT5: 41.5 cycles
\arg ADC_SAMPLETIME_55POINT5: 55.5 cycles
\arg ADC_SAMPLETIME_71POINT5: 71.5 cycles
\arg ADC_SAMPLETIME_239POINT5: 239.5 cycles
\param[out] none
\retval none
*/
void adc_inserted_channel_config(uint32_t adc_periph, uint8_t rank, uint8_t adc_channel, uint32_t sample_time)
{
uint8_t inserted_length;
uint32_t isq, sampt;
/* get inserted channel group length */
inserted_length = (uint8_t)GET_BITS(ADC_ISQ(adc_periph), 20U, 21U);
/* the channel number is written to these bits to select a channel as the nth conversion in the inserted channel group */
isq = ADC_ISQ(adc_periph);
isq &= ~((uint32_t)(ADC_ISQ_ISQN << (ADC_INSERTED_CHANNEL_SHIFT_LENGTH - (inserted_length - rank) * ADC_INSERTED_CHANNEL_RANK_LENGTH)));
isq |= ((uint32_t)adc_channel << (ADC_INSERTED_CHANNEL_SHIFT_LENGTH - (inserted_length - rank) * ADC_INSERTED_CHANNEL_RANK_LENGTH));
ADC_ISQ(adc_periph) = isq;
/* ADC sampling time config */
if (adc_channel < ADC_CHANNEL_SAMPLE_TEN) {
/* the inserted group sequence rank is smaller than ten */
sampt = ADC_SAMPT1(adc_periph);
sampt &= ~((uint32_t)(ADC_SAMPTX_SPTN << (ADC_CHANNEL_SAMPLE_LENGTH * adc_channel)));
/* channel sample time set*/
sampt |= (uint32_t) sample_time << (ADC_CHANNEL_SAMPLE_LENGTH * adc_channel);
ADC_SAMPT1(adc_periph) = sampt;
} else if (adc_channel < ADC_CHANNEL_SAMPLE_EIGHTEEN) {
/* the inserted group sequence rank is smaller than eighteen */
sampt = ADC_SAMPT0(adc_periph);
sampt &= ~((uint32_t)(ADC_SAMPTX_SPTN << (ADC_CHANNEL_SAMPLE_LENGTH * (adc_channel - ADC_CHANNEL_SAMPLE_TEN))));
/* channel sample time set*/
sampt |= ((uint32_t)sample_time << (ADC_CHANNEL_SAMPLE_LENGTH * (adc_channel - ADC_CHANNEL_SAMPLE_TEN)));
ADC_SAMPT0(adc_periph) = sampt;
} else {
}
}
/*!
\brief configure ADC inserted channel offset
\param[in] adc_periph: ADCx,x=0,1
\param[in] inserted_channel : insert channel select
only one parameter can be selected which is shown as below:
\arg ADC_INSERTED_CHANNEL_0: inserted channel0
\arg ADC_INSERTED_CHANNEL_1: inserted channel1
\arg ADC_INSERTED_CHANNEL_2: inserted channel2
\arg ADC_INSERTED_CHANNEL_3: inserted channel3
\param[in] offset : the offset data
\param[out] none
\retval none
*/
void adc_inserted_channel_offset_config(uint32_t adc_periph, uint8_t inserted_channel, uint16_t offset)
{
uint8_t inserted_length;
uint32_t num = 0U;
inserted_length = (uint8_t)GET_BITS(ADC_ISQ(adc_periph), 20U, 21U);
num = ((uint32_t)ADC_OFFSET_LENGTH - ((uint32_t)inserted_length - (uint32_t)inserted_channel));
if (num <= ADC_OFFSET_LENGTH) {
/* calculate the offset of the register */
num = num * ADC_OFFSET_SHIFT_LENGTH;
/* config the offset of the selected channels */
REG32((adc_periph) + 0x14U + num) = IOFFX_IOFF((uint32_t)offset);
}
}
/*!
\brief configure ADC external trigger source
\param[in] adc_periph: ADCx,x=0,1
\param[in] adc_channel_group: select the channel group
only one parameter can be selected which is shown as below:
\arg ADC_REGULAR_CHANNEL: regular channel group
\arg ADC_INSERTED_CHANNEL: inserted channel group
\param[in] external_trigger_source: regular or inserted group trigger source
only one parameter can be selected which is shown as below:
for regular channel:
\arg ADC0_1_EXTTRIG_REGULAR_T0_CH0: timer 0 CC0 event select
\arg ADC0_1_EXTTRIG_REGULAR_T0_CH1: timer 0 CC1 event select
\arg ADC0_1_EXTTRIG_REGULAR_T0_CH2: timer 0 CC2 event select
\arg ADC0_1_EXTTRIG_REGULAR_T1_CH1: timer 1 CC1 event select
\arg ADC0_1_EXTTRIG_REGULAR_T2_TRGO: timer 2 TRGO event select
\arg ADC0_1_EXTTRIG_REGULAR_T3_CH3: timer 3 CC3 event select
\arg ADC0_1_EXTTRIG_REGULAR_T7_TRGO: timer 7 TRGO event select
\arg ADC0_1_EXTTRIG_REGULAR_EXTI_11 : external interrupt line 11
\arg ADC0_1_EXTTRIG_REGULAR_NONE: software trigger
for inserted channel:
\arg ADC0_1_EXTTRIG_INSERTED_T0_TRGO: timer 0 TRGO event select
\arg ADC0_1_EXTTRIG_INSERTED_T0_CH3: timer 0 CC3 event select
\arg ADC0_1_EXTTRIG_INSERTED_T1_TRGO: timer 1 TRGO event select
\arg ADC0_1_EXTTRIG_INSERTED_T1_CH0: timer 1 CC0 event select
\arg ADC0_1_EXTTRIG_INSERTED_T2_CH3: timer 2 CC3 event select
\arg ADC0_1_EXTTRIG_INSERTED_T3_TRGO: timer 3 TRGO event select
\arg ADC0_1_EXTTRIG_INSERTED_EXTI_15: external interrupt line 15
\arg ADC0_1_EXTTRIG_INSERTED_T7_CH3: timer 7 CC3 event select
\arg ADC0_1_EXTTRIG_INSERTED_NONE: software trigger
\param[out] none
\retval none
*/
void adc_external_trigger_source_config(uint32_t adc_periph, uint8_t adc_channel_group, uint32_t external_trigger_source)
{
switch (adc_channel_group) {
case ADC_REGULAR_CHANNEL:
/* configure ADC regular group external trigger source */
ADC_CTL1(adc_periph) &= ~((uint32_t)ADC_CTL1_ETSRC);
ADC_CTL1(adc_periph) |= (uint32_t)external_trigger_source;
break;
case ADC_INSERTED_CHANNEL:
/* configure ADC inserted group external trigger source */
ADC_CTL1(adc_periph) &= ~((uint32_t)ADC_CTL1_ETSIC);
ADC_CTL1(adc_periph) |= (uint32_t)external_trigger_source;
break;
default:
break;
}
}
/*!
\brief enable ADC external trigger
\param[in] adc_periph: ADCx,x=0,1
\param[in] adc_channel_group: select the channel group
one or more parameters can be selected which are shown as below:
\arg ADC_REGULAR_CHANNEL: regular channel group
\arg ADC_INSERTED_CHANNEL: inserted channel group
\param[in] newvalue: ENABLE or DISABLE
\param[out] none
\retval none
*/
void adc_external_trigger_config(uint32_t adc_periph, uint8_t adc_channel_group, ControlStatus newvalue)
{
if (newvalue) {
if (0U != (adc_channel_group & ADC_REGULAR_CHANNEL)) {
/* enable ADC regular channel group external trigger */
ADC_CTL1(adc_periph) |= ADC_CTL1_ETERC;
}
if (0U != (adc_channel_group & ADC_INSERTED_CHANNEL)) {
/* enable ADC inserted channel group external trigger */
ADC_CTL1(adc_periph) |= ADC_CTL1_ETEIC;
}
} else {
if (0U != (adc_channel_group & ADC_REGULAR_CHANNEL)) {
/* disable ADC regular channel group external trigger */
ADC_CTL1(adc_periph) &= ~ADC_CTL1_ETERC;
}
if (0U != (adc_channel_group & ADC_INSERTED_CHANNEL)) {
/* disable ADC regular channel group external trigger */
ADC_CTL1(adc_periph) &= ~ADC_CTL1_ETEIC;
}
}
}
/*!
\brief enable ADC software trigger
\param[in] adc_periph: ADCx,x=0,1
\param[in] adc_channel_group: select the channel group
one or more parameters can be selected which are shown as below:
\arg ADC_REGULAR_CHANNEL: regular channel group
\arg ADC_INSERTED_CHANNEL: inserted channel group
\param[out] none
\retval none
*/
void adc_software_trigger_enable(uint32_t adc_periph, uint8_t adc_channel_group)
{
if (0U != (adc_channel_group & ADC_REGULAR_CHANNEL)) {
/* enable ADC regular channel group software trigger */
ADC_CTL1(adc_periph) |= ADC_CTL1_SWRCST;
}
if (0U != (adc_channel_group & ADC_INSERTED_CHANNEL)) {
/* enable ADC inserted channel group software trigger */
ADC_CTL1(adc_periph) |= ADC_CTL1_SWICST;
}
}
/*!
\brief read ADC regular group data register
\param[in] adc_periph: ADCx,x=0,1
\param[in] none
\param[out] none
\retval the conversion value
*/
uint16_t adc_regular_data_read(uint32_t adc_periph)
{
return (uint16_t)(ADC_RDATA(adc_periph));
}
/*!
\brief read ADC inserted group data register
\param[in] adc_periph: ADCx,x=0,1
\param[in] inserted_channel : insert channel select
only one parameter can be selected which is shown as below:
\arg ADC_INSERTED_CHANNEL_0: inserted Channel0
\arg ADC_INSERTED_CHANNEL_1: inserted channel1
\arg ADC_INSERTED_CHANNEL_2: inserted Channel2
\arg ADC_INSERTED_CHANNEL_3: inserted Channel3
\param[out] none
\retval the conversion value
*/
uint16_t adc_inserted_data_read(uint32_t adc_periph, uint8_t inserted_channel)
{
uint32_t idata;
/* read the data of the selected channel */
switch (inserted_channel) {
case ADC_INSERTED_CHANNEL_0:
/* read the data of channel 0 */
idata = ADC_IDATA0(adc_periph);
break;
case ADC_INSERTED_CHANNEL_1:
/* read the data of channel 1 */
idata = ADC_IDATA1(adc_periph);
break;
case ADC_INSERTED_CHANNEL_2:
/* read the data of channel 2 */
idata = ADC_IDATA2(adc_periph);
break;
case ADC_INSERTED_CHANNEL_3:
/* read the data of channel 3 */
idata = ADC_IDATA3(adc_periph);
break;
default:
idata = 0U;
break;
}
return (uint16_t)idata;
}
/*!
\brief read the last ADC0 and ADC1 conversion result data in sync mode
\param[in] none
\param[out] none
\retval the conversion value
*/
uint32_t adc_sync_mode_convert_value_read(void)
{
/* return conversion value */
return ADC_RDATA(ADC0);
}
/*!
\brief configure ADC analog watchdog single channel
\param[in] adc_periph: ADCx,x=0,1
\param[in] adc_channel: the selected ADC channel
only one parameter can be selected which is shown as below:
\arg ADC_CHANNEL_x: ADC Channelx(x=0..17)(x=16 and x=17 are only for ADC0)
\param[out] none
\retval none
*/
void adc_watchdog_single_channel_enable(uint32_t adc_periph, uint8_t adc_channel)
{
ADC_CTL0(adc_periph) &= (uint32_t)~(ADC_CTL0_RWDEN | ADC_CTL0_IWDEN | ADC_CTL0_WDSC | ADC_CTL0_WDCHSEL);
/* analog watchdog channel select */
ADC_CTL0(adc_periph) |= (uint32_t)adc_channel;
ADC_CTL0(adc_periph) |= (uint32_t)(ADC_CTL0_RWDEN | ADC_CTL0_IWDEN | ADC_CTL0_WDSC);
}
/*!
\brief configure ADC analog watchdog group channel
\param[in] adc_periph: ADCx,x=0,1
\param[in] adc_channel_group: the channel group use analog watchdog
only one parameter can be selected which is shown as below:
\arg ADC_REGULAR_CHANNEL: regular channel group
\arg ADC_INSERTED_CHANNEL: inserted channel group
\arg ADC_REGULAR_INSERTED_CHANNEL: both regular and inserted group
\param[out] none
\retval none
*/
void adc_watchdog_group_channel_enable(uint32_t adc_periph, uint8_t adc_channel_group)
{
ADC_CTL0(adc_periph) &= (uint32_t)~(ADC_CTL0_RWDEN | ADC_CTL0_IWDEN | ADC_CTL0_WDSC);
/* select the group */
switch (adc_channel_group) {
case ADC_REGULAR_CHANNEL:
/* regular channel analog watchdog enable */
ADC_CTL0(adc_periph) |= (uint32_t) ADC_CTL0_RWDEN;
break;
case ADC_INSERTED_CHANNEL:
/* inserted channel analog watchdog enable */
ADC_CTL0(adc_periph) |= (uint32_t) ADC_CTL0_IWDEN;
break;
case ADC_REGULAR_INSERTED_CHANNEL:
/* regular and inserted channel analog watchdog enable */
ADC_CTL0(adc_periph) |= (uint32_t)(ADC_CTL0_RWDEN | ADC_CTL0_IWDEN);
break;
default:
break;
}
}
/*!
\brief disable ADC analog watchdog
\param[in] adc_periph: ADCx,x=0,1
\param[out] none
\retval none
*/
void adc_watchdog_disable(uint32_t adc_periph)
{
ADC_CTL0(adc_periph) &= (uint32_t)~(ADC_CTL0_RWDEN | ADC_CTL0_IWDEN | ADC_CTL0_WDSC | ADC_CTL0_WDCHSEL);
}
/*!
\brief configure ADC analog watchdog threshold
\param[in] adc_periph: ADCx,x=0,1
\param[in] low_threshold: analog watchdog low threshold,0..4095
\param[in] high_threshold: analog watchdog high threshold,0..4095
\param[out] none
\retval none
*/
void adc_watchdog_threshold_config(uint32_t adc_periph, uint16_t low_threshold, uint16_t high_threshold)
{
ADC_WDLT(adc_periph) = (uint32_t)WDLT_WDLT(low_threshold);
ADC_WDHT(adc_periph) = (uint32_t)WDHT_WDHT(high_threshold);
}
/*!
\brief get the ADC flag bits
\param[in] adc_periph: ADCx,x=0,1
\param[in] adc_flag: the adc flag bits
only one parameter can be selected which is shown as below:
\arg ADC_FLAG_WDE: analog watchdog event flag
\arg ADC_FLAG_EOC: end of group conversion flag
\arg ADC_FLAG_EOIC: end of inserted group conversion flag
\arg ADC_FLAG_STIC: start flag of inserted channel group
\arg ADC_FLAG_STRC: start flag of regular channel group
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus adc_flag_get(uint32_t adc_periph, uint32_t adc_flag)
{
FlagStatus reval = RESET;
if (ADC_STAT(adc_periph) & adc_flag) {
reval = SET;
}
return reval;
}
/*!
\brief clear the ADC flag bits
\param[in] adc_periph: ADCx,x=0,1
\param[in] adc_flag: the adc flag bits
one or more parameters can be selected which are shown as below:
\arg ADC_FLAG_WDE: analog watchdog event flag
\arg ADC_FLAG_EOC: end of group conversion flag
\arg ADC_FLAG_EOIC: end of inserted group conversion flag
\arg ADC_FLAG_STIC: start flag of inserted channel group
\arg ADC_FLAG_STRC: start flag of regular channel group
\param[out] none
\retval none
*/
void adc_flag_clear(uint32_t adc_periph, uint32_t adc_flag)
{
ADC_STAT(adc_periph) &= ~((uint32_t)adc_flag);
}
/*!
\brief get the bit state of ADCx software start conversion
\param[in] adc_periph: ADCx, x=0,1, only one among these parameters can be selected
\param[in] none
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus adc_regular_software_startconv_flag_get(uint32_t adc_periph)
{
FlagStatus reval = RESET;
if ((uint32_t)RESET != (ADC_STAT(adc_periph) & ADC_STAT_STRC)) {
reval = SET;
}
return reval;
}
/*!
\brief get the bit state of ADCx software inserted channel start conversion
\param[in] adc_periph: ADCx, x=0,1 only one among these parameters can be selected
\param[in] none
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus adc_inserted_software_startconv_flag_get(uint32_t adc_periph)
{
FlagStatus reval = RESET;
if ((uint32_t)RESET != (ADC_STAT(adc_periph) & ADC_STAT_STIC)) {
reval = SET;
}
return reval;
}
/*!
\brief get the ADC interrupt bits
\param[in] adc_periph: ADCx,x=0,1
\param[in] adc_interrupt: the adc interrupt bits
only one parameter can be selected which is shown as below:
\arg ADC_INT_FLAG_WDE: analog watchdog interrupt
\arg ADC_INT_FLAG_EOC: end of group conversion interrupt
\arg ADC_INT_FLAG_EOIC: end of inserted group conversion interrupt
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus adc_interrupt_flag_get(uint32_t adc_periph, uint32_t adc_interrupt)
{
FlagStatus interrupt_flag = RESET;
uint32_t state;
/* check the interrupt bits */
switch (adc_interrupt) {
case ADC_INT_FLAG_WDE:
/* get the ADC analog watchdog interrupt bits */
state = ADC_STAT(adc_periph) & ADC_STAT_WDE;
if ((ADC_CTL0(adc_periph) & ADC_CTL0_WDEIE) && state) {
interrupt_flag = SET;
}
break;
case ADC_INT_FLAG_EOC:
/* get the ADC end of group conversion interrupt bits */
state = ADC_STAT(adc_periph) & ADC_STAT_EOC;
if ((ADC_CTL0(adc_periph) & ADC_CTL0_EOCIE) && state) {
interrupt_flag = SET;
}
break;
case ADC_INT_FLAG_EOIC:
/* get the ADC end of inserted group conversion interrupt bits */
state = ADC_STAT(adc_periph) & ADC_STAT_EOIC;
if ((ADC_CTL0(adc_periph) & ADC_CTL0_EOICIE) && state) {
interrupt_flag = SET;
}
break;
default:
break;
}
return interrupt_flag;
}
/*!
\brief clear the ADC flag
\param[in] adc_periph: ADCx,x=0,1
\param[in] adc_interrupt: the adc status flag
one or more parameters can be selected which are shown as below:
\arg ADC_INT_FLAG_WDE: analog watchdog interrupt
\arg ADC_INT_FLAG_EOC: end of group conversion interrupt
\arg ADC_INT_FLAG_EOIC: end of inserted group conversion interrupt
\param[out] none
\retval none
*/
void adc_interrupt_flag_clear(uint32_t adc_periph, uint32_t adc_interrupt)
{
ADC_STAT(adc_periph) &= ~((uint32_t)adc_interrupt);
}
/*!
\brief enable ADC interrupt
\param[in] adc_periph: ADCx,x=0,1
\param[in] adc_interrupt: the adc interrupt
one or more parameters can be selected which are shown as below:
\arg ADC_INT_WDE: analog watchdog interrupt flag
\arg ADC_INT_EOC: end of group conversion interrupt flag
\arg ADC_INT_EOIC: end of inserted group conversion interrupt flag
\param[out] none
\retval none
*/
void adc_interrupt_enable(uint32_t adc_periph, uint32_t adc_interrupt)
{
/* enable ADC analog watchdog interrupt */
if (0U != (adc_interrupt & ADC_INT_WDE)) {
ADC_CTL0(adc_periph) |= (uint32_t) ADC_CTL0_WDEIE;
}
/* enable ADC end of group conversion interrupt */
if (0U != (adc_interrupt & ADC_INT_EOC)) {
ADC_CTL0(adc_periph) |= (uint32_t) ADC_CTL0_EOCIE;
}
/* enable ADC end of inserted group conversion interrupt */
if (0U != (adc_interrupt & ADC_INT_EOIC)) {
ADC_CTL0(adc_periph) |= (uint32_t) ADC_CTL0_EOICIE;
}
}
/*!
\brief disable ADC interrupt
\param[in] adc_periph: ADCx,x=0,1
\param[in] adc_interrupt: the adc interrupt flag
one or more parameters can be selected which are shown as below:
\arg ADC_INT_WDE: analog watchdog interrupt flag
\arg ADC_INT_EOC: end of group conversion interrupt flag
\arg ADC_INT_EOIC: end of inserted group conversion interrupt flag
\param[out] none
\retval none
*/
void adc_interrupt_disable(uint32_t adc_periph, uint32_t adc_interrupt)
{
/* disable ADC analog watchdog interrupt */
if (0U != (adc_interrupt & ADC_INT_WDE)) {
ADC_CTL0(adc_periph) &= ~(uint32_t) ADC_CTL0_WDEIE;
}
/* disable ADC end of group conversion interrupt */
if (0U != (adc_interrupt & ADC_INT_EOC)) {
ADC_CTL0(adc_periph) &= ~(uint32_t) ADC_CTL0_EOCIE;
}
/* disable ADC end of inserted group conversion interrupt */
if (0U != (adc_interrupt & ADC_INT_EOIC)) {
ADC_CTL0(adc_periph) &= ~(uint32_t) ADC_CTL0_EOICIE;
}
}

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/*!
\file gd32e10x_bkp.c
\brief BKP driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_bkp.h"
/* BKP register bits offset */
#define BKP_TAMPER_BITS_OFFSET ((uint32_t)8U)
/*!
\brief reset BKP registers
\param[in] none
\param[out] none
\retval none
*/
void bkp_deinit(void)
{
/* reset BKP domain register*/
rcu_bkp_reset_enable();
rcu_bkp_reset_disable();
}
/*!
\brief write BKP data register
\param[in] register_number: refer to bkp_data_register_enum
only one parameter can be selected which is shown as below:
\arg BKP_DATA_x(x = 0..41): bkp data register number x
\param[in] data: the data to be write in BKP data register
\param[out] none
\retval none
*/
void bkp_data_write(bkp_data_register_enum register_number, uint16_t data)
{
if ((register_number >= BKP_DATA_10) && (register_number <= BKP_DATA_41)) {
BKP_DATA10_41(register_number - 1U) = data;
} else if ((register_number >= BKP_DATA_0) && (register_number <= BKP_DATA_9)) {
BKP_DATA0_9(register_number - 1U) = data;
} else {
/* illegal parameters */
}
}
/*!
\brief read BKP data register
\param[in] register_number: refer to bkp_data_register_enum
only one parameter can be selected which is shown as below:
\arg BKP_DATA_x(x = 0..41): bkp data register number x
\param[out] none
\retval data of BKP data register
*/
uint16_t bkp_data_read(bkp_data_register_enum register_number)
{
uint16_t data = 0U;
/* get the data from the BKP data register */
if ((register_number >= BKP_DATA_10) && (register_number <= BKP_DATA_41)) {
data = BKP_DATA10_41(register_number - 1U);
} else if ((register_number >= BKP_DATA_0) && (register_number <= BKP_DATA_9)) {
data = BKP_DATA0_9(register_number - 1U);
} else {
/* illegal parameters */
}
return data;
}
/*!
\brief enable RTC clock calibration output
\param[in] none
\param[out] none
\retval none
*/
void bkp_rtc_calibration_output_enable(void)
{
BKP_OCTL |= (uint16_t)BKP_OCTL_COEN;
}
/*!
\brief disable RTC clock calibration output
\param[in] none
\param[out] none
\retval none
*/
void bkp_rtc_calibration_output_disable(void)
{
BKP_OCTL &= (uint16_t)~BKP_OCTL_COEN;
}
/*!
\brief enable RTC alarm or second signal output
\param[in] none
\param[out] none
\retval none
*/
void bkp_rtc_signal_output_enable(void)
{
BKP_OCTL |= (uint16_t)BKP_OCTL_ASOEN;
}
/*!
\brief disable RTC alarm or second signal output
\param[in] none
\param[out] none
\retval none
*/
void bkp_rtc_signal_output_disable(void)
{
BKP_OCTL &= (uint16_t)~BKP_OCTL_ASOEN;
}
/*!
\brief select RTC output
\param[in] outputsel: RTC output selection
only one parameter can be selected which is shown as below:
\arg RTC_OUTPUT_ALARM_PULSE: RTC alarm pulse is selected as the RTC output
\arg RTC_OUTPUT_SECOND_PULSE: RTC second pulse is selected as the RTC output
\param[out] none
\retval none
*/
void bkp_rtc_output_select(uint16_t outputsel)
{
uint16_t ctl = 0U;
/* configure BKP_OCTL_ROSEL with outputsel */
ctl = BKP_OCTL;
ctl &= (uint16_t)~BKP_OCTL_ROSEL;
ctl |= outputsel;
BKP_OCTL = ctl;
}
/*!
\brief select RTC clock output
\param[in] clocksel: RTC clock output selection
only one parameter can be selected which is shown as below:
\arg RTC_CLOCK_DIV_64: RTC clock div 64
\arg RTC_CLOCK_DIV_1: RTC clock
\param[out] none
\retval none
*/
void bkp_rtc_clock_output_select(uint16_t clocksel)
{
uint16_t ctl = 0U;
/* configure BKP_OCTL_CCOSEL with clocksel */
ctl = BKP_OCTL;
ctl &= (uint16_t)~BKP_OCTL_CCOSEL;
ctl |= clocksel;
BKP_OCTL = ctl;
}
/*!
\brief select RTC clock calibration direction
\param[in] direction: RTC clock calibration direction
only one parameter can be selected which is shown as below:
\arg RTC_CLOCK_SLOWED_DOWN: RTC clock slow down
\arg RTC_CLOCK_SPEED_UP: RTC clock speed up
\param[out] none
\retval none
*/
void bkp_rtc_clock_calibration_direction_select(uint16_t direction)
{
uint16_t ctl = 0U;
/* configure BKP_OCTL_CALDIR with direction */
ctl = BKP_OCTL;
ctl &= (uint16_t)~BKP_OCTL_CALDIR;
ctl |= direction;
BKP_OCTL = ctl;
}
/*!
\brief set RTC clock calibration value
\param[in] value: RTC clock calibration value
\arg 0x00 - 0x7F
\param[out] none
\retval none
*/
void bkp_rtc_calibration_value_set(uint8_t value)
{
uint16_t ctl;
/* configure BKP_OCTL_RCCV with value */
ctl = BKP_OCTL;
ctl &= (uint16_t)~BKP_OCTL_RCCV;
ctl |= (uint16_t)OCTL_RCCV(value);
BKP_OCTL = ctl;
}
/*!
\brief enable tamper detection
\param[in] none
\param[out] none
\retval none
*/
void bkp_tamper_detection_enable(void)
{
BKP_TPCTL |= (uint16_t)BKP_TPCTL_TPEN;
}
/*!
\brief disable tamper detection
\param[in] none
\param[out] none
\retval none
*/
void bkp_tamper_detection_disable(void)
{
BKP_TPCTL &= (uint16_t)~BKP_TPCTL_TPEN;
}
/*!
\brief set tamper pin active level
\param[in] level: tamper active level
only one parameter can be selected which is shown as below:
\arg TAMPER_PIN_ACTIVE_HIGH: the tamper pin is active high
\arg TAMPER_PIN_ACTIVE_LOW: the tamper pin is active low
\param[out] none
\retval none
*/
void bkp_tamper_active_level_set(uint16_t level)
{
uint16_t ctl = 0U;
/* configure BKP_TPCTL_TPAL with level */
ctl = BKP_TPCTL;
ctl &= (uint16_t)~BKP_TPCTL_TPAL;
ctl |= level;
BKP_TPCTL = ctl;
}
/*!
\brief enable tamper interrupt
\param[in] none
\param[out] none
\retval none
*/
void bkp_interrupt_enable(void)
{
BKP_TPCS |= (uint16_t)BKP_TPCS_TPIE;
}
/*!
\brief disable tamper interrupt
\param[in] none
\param[out] none
\retval none
*/
void bkp_interrupt_disable(void)
{
BKP_TPCS &= (uint16_t)~BKP_TPCS_TPIE;
}
/*!
\brief get tamper flag state
\param[in] none
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus bkp_flag_get(void)
{
if (RESET != (BKP_TPCS & BKP_FLAG_TAMPER)) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear tamper flag state
\param[in] none
\param[out] none
\retval none
*/
void bkp_flag_clear(void)
{
BKP_TPCS |= (uint16_t)(BKP_FLAG_TAMPER >> BKP_TAMPER_BITS_OFFSET);
}
/*!
\brief get tamper interrupt flag state
\param[in] none
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus bkp_interrupt_flag_get(void)
{
if (RESET != (BKP_TPCS & BKP_INT_FLAG_TAMPER)) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear tamper interrupt flag state
\param[in] none
\param[out] none
\retval none
*/
void bkp_interrupt_flag_clear(void)
{
BKP_TPCS |= (uint16_t)(BKP_INT_FLAG_TAMPER >> BKP_TAMPER_BITS_OFFSET);
}

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targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Source/gd32e10x_can.c Normal file
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targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Source/gd32e10x_crc.c Normal file
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/*!
\file gd32e10x_crc.c
\brief CRC driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_crc.h"
#define CRC_DATA_RESET_VALUE ((uint32_t)0xFFFFFFFFU)
#define CRC_FDATA_RESET_VALUE ((uint32_t)0x00000000U)
/*!
\brief deinit CRC calculation unit
\param[in] none
\param[out] none
\retval none
*/
void crc_deinit(void)
{
CRC_DATA = CRC_DATA_RESET_VALUE;
CRC_FDATA = CRC_FDATA_RESET_VALUE;
CRC_CTL = (uint32_t)CRC_CTL_RST;
}
/*!
\brief reset data register(CRC_DATA) to the value of 0xFFFFFFFF
\param[in] none
\param[out] none
\retval none
*/
void crc_data_register_reset(void)
{
CRC_CTL |= (uint32_t)CRC_CTL_RST;
}
/*!
\brief read the value of the data register
\param[in] none
\param[out] none
\retval 32-bit value of the data register
*/
uint32_t crc_data_register_read(void)
{
uint32_t data;
data = CRC_DATA;
return (data);
}
/*!
\brief read the value of the free data register
\param[in] none
\param[out] none
\retval 8-bit value of the free data register
*/
uint8_t crc_free_data_register_read(void)
{
uint8_t fdata;
fdata = (uint8_t)CRC_FDATA;
return (fdata);
}
/*!
\brief write data to the free data register
\param[in] free_data: specify 8-bit data
\param[out] none
\retval none
*/
void crc_free_data_register_write(uint8_t free_data)
{
CRC_FDATA = (uint32_t)free_data;
}
/*!
\brief calculate the CRC value of a 32-bit data
\param[in] sdata: specified 32-bit data
\param[out] none
\retval 32-bit value calculated by CRC
*/
uint32_t crc_single_data_calculate(uint32_t sdata)
{
CRC_DATA = sdata;
return (CRC_DATA);
}
/*!
\brief calculate the CRC value of an array of 32-bit values
\param[in] array: pointer to an array of 32-bit values
\param[in] size: size of the array
\param[out] none
\retval 32-bit value calculated by CRC
*/
uint32_t crc_block_data_calculate(uint32_t array[], uint32_t size)
{
uint32_t index;
for (index = 0U; index < size; index++) {
CRC_DATA = array[index];
}
return (CRC_DATA);
}

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targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Source/gd32e10x_ctc.c Normal file
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/*!
\file gd32e10x_ctc.c
\brief CTC driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_ctc.h"
#define CTC_FLAG_MASK ((uint32_t)0x00000700U)
/* CTC register bit offset */
#define CTC_TRIMVALUE_OFFSET ((uint32_t)8U)
#define CTC_TRIM_VALUE_OFFSET ((uint32_t)8U)
#define CTC_REFCAP_OFFSET ((uint32_t)16U)
#define CTC_LIMIT_VALUE_OFFSET ((uint32_t)16U)
/*!
\brief reset CTC clock trim controller
\param[in] none
\param[out] none
\retval none
*/
void ctc_deinit(void)
{
/* reset CTC */
rcu_periph_reset_enable(RCU_CTCRST);
rcu_periph_reset_disable(RCU_CTCRST);
}
/*!
\brief enable CTC trim counter
\param[in] none
\param[out] none
\retval none
*/
void ctc_counter_enable(void)
{
CTC_CTL0 |= (uint32_t)CTC_CTL0_CNTEN;
}
/*!
\brief disable CTC trim counter
\param[in] none
\param[out] none
\retval none
*/
void ctc_counter_disable(void)
{
CTC_CTL0 &= (uint32_t)(~CTC_CTL0_CNTEN);
}
/*!
\brief configure the IRC48M trim value
\param[in] ctc_trim_value: 8-bit IRC48M trim value
\arg 0x00 - 0x3F
\param[out] none
\retval none
*/
void ctc_irc48m_trim_value_config(uint8_t trim_value)
{
/* clear TRIMVALUE bits */
CTC_CTL0 &= (~(uint32_t)CTC_CTL0_TRIMVALUE);
/* set TRIMVALUE bits */
CTC_CTL0 |= ((uint32_t)trim_value << CTC_TRIM_VALUE_OFFSET);
}
/*!
\brief generate software reference source sync pulse
\param[in] none
\param[out] none
\retval none
*/
void ctc_software_refsource_pulse_generate(void)
{
CTC_CTL0 |= (uint32_t)CTC_CTL0_SWREFPUL;
}
/*!
\brief configure hardware automatically trim mode
\param[in] hardmode:
only one parameter can be selected which is shown as below:
\arg CTC_HARDWARE_TRIM_MODE_ENABLE: hardware automatically trim mode enable
\arg CTC_HARDWARE_TRIM_MODE_DISABLE: hardware automatically trim mode disable
\param[out] none
\retval none
*/
void ctc_hardware_trim_mode_config(uint32_t hardmode)
{
CTC_CTL0 &= (uint32_t)(~CTC_CTL0_AUTOTRIM);
CTC_CTL0 |= (uint32_t)hardmode;
}
/*!
\brief configure reference signal source polarity
\param[in] polarity:
only one parameter can be selected which is shown as below:
\arg CTC_REFSOURCE_POLARITY_FALLING: reference signal source polarity is falling edge
\arg CTC_REFSOURCE_POLARITY_RISING: reference signal source polarity is rising edge
\param[out] none
\retval none
*/
void ctc_refsource_polarity_config(uint32_t polarity)
{
CTC_CTL1 &= (uint32_t)(~CTC_CTL1_REFPOL);
CTC_CTL1 |= (uint32_t)polarity;
}
/*!
\brief select reference signal source
\param[in] refs:
only one parameter can be selected which is shown as below:
\arg CTC_REFSOURCE_GPIO: GPIO is selected
\arg CTC_REFSOURCE_LXTAL: LXTAL is selected
\arg CTC_REFSOURCE_USBSOF: USBFS_SOF is selected
\param[out] none
\retval none
*/
void ctc_refsource_signal_select(uint32_t refs)
{
CTC_CTL1 &= (uint32_t)(~CTC_CTL1_REFSEL);
CTC_CTL1 |= (uint32_t)refs;
}
/*!
\brief configure reference signal source prescaler
\param[in] prescaler:
only one parameter can be selected which is shown as below:
\arg CTC_REFSOURCE_PSC_OFF: reference signal not divided
\arg CTC_REFSOURCE_PSC_DIV2: reference signal divided by 2
\arg CTC_REFSOURCE_PSC_DIV4: reference signal divided by 4
\arg CTC_REFSOURCE_PSC_DIV8: reference signal divided by 8
\arg CTC_REFSOURCE_PSC_DIV16: reference signal divided by 16
\arg CTC_REFSOURCE_PSC_DIV32: reference signal divided by 32
\arg CTC_REFSOURCE_PSC_DIV64: reference signal divided by 64
\arg CTC_REFSOURCE_PSC_DIV128: reference signal divided by 128
\param[out] none
\retval none
*/
void ctc_refsource_prescaler_config(uint32_t prescaler)
{
CTC_CTL1 &= (uint32_t)(~CTC_CTL1_REFPSC);
CTC_CTL1 |= (uint32_t)prescaler;
}
/*!
\brief configure clock trim base limit value
\param[in] limit_value: 8-bit clock trim base limit value
\arg 0x00 - 0xFF
\param[out] none
\retval none
*/
void ctc_clock_limit_value_config(uint8_t limit_value)
{
CTC_CTL1 &= (uint32_t)(~CTC_CTL1_CKLIM);
CTC_CTL1 |= (uint32_t)((uint32_t)limit_value << CTC_LIMIT_VALUE_OFFSET);
}
/*!
\brief configure CTC counter reload value
\param[in] reload_value: 16-bit CTC counter reload value
\arg 0x0000 - 0xFFFF
\param[out] none
\retval none
*/
void ctc_counter_reload_value_config(uint16_t reload_value)
{
CTC_CTL1 &= (uint32_t)(~CTC_CTL1_RLVALUE);
CTC_CTL1 |= (uint32_t)reload_value;
}
/*!
\brief read CTC counter capture value when reference sync pulse occurred
\param[in] none
\param[out] none
\retval the 16-bit CTC counter capture value
*/
uint16_t ctc_counter_capture_value_read(void)
{
uint16_t capture_value = 0U;
capture_value = (uint16_t)((CTC_STAT & CTC_STAT_REFCAP) >> CTC_REFCAP_OFFSET);
return (capture_value);
}
/*!
\brief read CTC trim counter direction when reference sync pulse occurred
\param[in] none
\param[out] none
\retval FlagStatus: SET or RESET
\arg SET: CTC trim counter direction is down-counting
\arg RESET: CTC trim counter direction is up-counting
*/
FlagStatus ctc_counter_direction_read(void)
{
if (RESET != (CTC_STAT & CTC_STAT_REFDIR)) {
return SET;
} else {
return RESET;
}
}
/*!
\brief read CTC counter reload value
\param[in] none
\param[out] none
\retval the 16-bit CTC counter reload value
*/
uint16_t ctc_counter_reload_value_read(void)
{
uint16_t reload_value = 0U;
reload_value = (uint16_t)(CTC_CTL1 & CTC_CTL1_RLVALUE);
return (reload_value);
}
/*!
\brief read the IRC48M trim value
\param[in] none
\param[out] none
\retval the 8-bit IRC48M trim value
*/
uint8_t ctc_irc48m_trim_value_read(void)
{
uint8_t trim_value = 0U;
trim_value = (uint8_t)((CTC_CTL0 & CTC_CTL0_TRIMVALUE) >> CTC_TRIMVALUE_OFFSET);
return (trim_value);
}
/*!
\brief enable the CTC interrupt
\param[in] interrupt: CTC interrupt enable
one or more parameters can be selected which are shown as below:
\arg CTC_INT_CKOK: clock trim OK interrupt enable
\arg CTC_INT_CKWARN: clock trim warning interrupt enable
\arg CTC_INT_ERR: error interrupt enable
\arg CTC_INT_EREF: expect reference interrupt enable
\param[out] none
\retval none
*/
void ctc_interrupt_enable(uint32_t interrupt)
{
CTC_CTL0 |= (uint32_t)interrupt;
}
/*!
\brief disable the CTC interrupt
\param[in] interrupt: CTC interrupt enable source
one or more parameters can be selected which are shown as below:
\arg CTC_INT_CKOK: clock trim OK interrupt enable
\arg CTC_INT_CKWARN: clock trim warning interrupt enable
\arg CTC_INT_ERR: error interrupt enable
\arg CTC_INT_EREF: expect reference interrupt enable
\param[out] none
\retval none
*/
void ctc_interrupt_disable(uint32_t interrupt)
{
CTC_CTL0 &= (uint32_t)(~interrupt);
}
/*!
\brief get CTC interrupt flag
\param[in] interrupt: the CTC interrupt flag
only one parameter can be selected which is shown as below:
\arg CTC_INT_FLAG_CKOK: clock trim OK interrupt
\arg CTC_INT_FLAG_CKWARN: clock trim warning interrupt
\arg CTC_INT_FLAG_ERR: error interrupt
\arg CTC_INT_FLAG_EREF: expect reference interrupt
\arg CTC_INT_FLAG_CKERR: clock trim error bit interrupt
\arg CTC_INT_FLAG_REFMISS: reference sync pulse miss interrupt
\arg CTC_INT_FLAG_TRIMERR: trim value error interrupt
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus ctc_interrupt_flag_get(uint32_t interrupt)
{
uint32_t intflag = 0U, intenable = 0U;
/* check whether the interrupt is enabled */
if (RESET != (interrupt & CTC_FLAG_MASK)) {
intenable = CTC_CTL0 & CTC_CTL0_ERRIE;
} else {
intenable = CTC_CTL0 & interrupt;
}
/* get interrupt flag status */
intflag = CTC_STAT & interrupt;
if (intflag && intenable) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear CTC interrupt flag
\param[in] interrupt: the CTC interrupt flag
only one parameter can be selected which is shown as below:
\arg CTC_INT_FLAG_CKOK: clock trim OK interrupt
\arg CTC_INT_FLAG_CKWARN: clock trim warning interrupt
\arg CTC_INT_FLAG_ERR: error interrupt
\arg CTC_INT_FLAG_EREF: expect reference interrupt
\arg CTC_INT_FLAG_CKERR: clock trim error bit interrupt
\arg CTC_INT_FLAG_REFMISS: reference sync pulse miss interrupt
\arg CTC_INT_FLAG_TRIMERR: trim value error interrupt
\param[out] none
\retval none
*/
void ctc_interrupt_flag_clear(uint32_t interrupt)
{
if (RESET != (interrupt & CTC_FLAG_MASK)) {
CTC_INTC |= CTC_INTC_ERRIC;
} else {
CTC_INTC |= interrupt;
}
}
/*!
\brief get CTC flag
\param[in] flag: the CTC flag
only one parameter can be selected which is shown as below:
\arg CTC_FLAG_CKOK: clock trim OK flag
\arg CTC_FLAG_CKWARN: clock trim warning flag
\arg CTC_FLAG_ERR: error flag
\arg CTC_FLAG_EREF: expect reference flag
\arg CTC_FLAG_CKERR: clock trim error bit
\arg CTC_FLAG_REFMISS: reference sync pulse miss
\arg CTC_FLAG_TRIMERR: trim value error bit
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus ctc_flag_get(uint32_t flag)
{
if (RESET != (CTC_STAT & flag)) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear CTC flag
\param[in] flag: the CTC flag
only one parameter can be selected which is shown as below:
\arg CTC_FLAG_CKOK: clock trim OK flag
\arg CTC_FLAG_CKWARN: clock trim warning flag
\arg CTC_FLAG_ERR: error flag
\arg CTC_FLAG_EREF: expect reference flag
\arg CTC_FLAG_CKERR: clock trim error bit
\arg CTC_FLAG_REFMISS: reference sync pulse miss
\arg CTC_FLAG_TRIMERR: trim value error bit
\param[out] none
\retval none
*/
void ctc_flag_clear(uint32_t flag)
{
if (RESET != (flag & CTC_FLAG_MASK)) {
CTC_INTC |= CTC_INTC_ERRIC;
} else {
CTC_INTC |= flag;
}
}

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/*!
\file gd32e10x_dac.c
\brief DAC driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_dac.h"
/* DAC register bit offset */
#define DAC1_REG_OFFSET ((uint32_t)16U)
#define DH_12BIT_OFFSET ((uint32_t)16U)
#define DH_8BIT_OFFSET ((uint32_t)8U)
/*!
\brief deinitialize DAC
\param[in] none
\param[out] none
\retval none
*/
void dac_deinit(void)
{
rcu_periph_reset_enable(RCU_DACRST);
rcu_periph_reset_disable(RCU_DACRST);
}
/*!
\brief enable DAC
\param[in] dac_periph
\arg DACx(x=0,1)
\param[out] none
\retval none
*/
void dac_enable(uint32_t dac_periph)
{
if (DAC0 == dac_periph) {
DAC_CTL |= DAC_CTL_DEN0;
} else {
DAC_CTL |= DAC_CTL_DEN1;
}
}
/*!
\brief disable DAC
\param[in] dac_periph
\arg DACx(x=0,1)
\param[out] none
\retval none
*/
void dac_disable(uint32_t dac_periph)
{
if (DAC0 == dac_periph) {
DAC_CTL &= ~DAC_CTL_DEN0;
} else {
DAC_CTL &= ~DAC_CTL_DEN1;
}
}
/*!
\brief enable DAC DMA function
\param[in] dac_periph
\arg DACx(x=0,1)
\param[out] none
\retval none
*/
void dac_dma_enable(uint32_t dac_periph)
{
if (DAC0 == dac_periph) {
DAC_CTL |= DAC_CTL_DDMAEN0;
} else {
DAC_CTL |= DAC_CTL_DDMAEN1;
}
}
/*!
\brief disable DAC DMA function
\param[in] dac_periph
\arg DACx(x=0,1)
\param[out] none
\retval none
*/
void dac_dma_disable(uint32_t dac_periph)
{
if (DAC0 == dac_periph) {
DAC_CTL &= ~DAC_CTL_DDMAEN0;
} else {
DAC_CTL &= ~DAC_CTL_DDMAEN1;
}
}
/*!
\brief enable DAC output buffer
\param[in] dac_periph
\arg DACx(x=0,1)
\param[out] none
\retval none
*/
void dac_output_buffer_enable(uint32_t dac_periph)
{
if (DAC0 == dac_periph) {
DAC_CTL &= ~DAC_CTL_DBOFF0;
} else {
DAC_CTL &= ~DAC_CTL_DBOFF1;
}
}
/*!
\brief disable DAC output buffer
\param[in] dac_periph
\arg DACx(x=0,1)
\param[out] none
\retval none
*/
void dac_output_buffer_disable(uint32_t dac_periph)
{
if (DAC0 == dac_periph) {
DAC_CTL |= DAC_CTL_DBOFF0;
} else {
DAC_CTL |= DAC_CTL_DBOFF1;
}
}
/*!
\brief get DAC output value
\param[in] dac_periph
\arg DACx(x=0,1)
\param[out] none
\retval DAC output data
*/
uint16_t dac_output_value_get(uint32_t dac_periph)
{
uint16_t data = 0U;
if (DAC0 == dac_periph) {
/* store the DAC0 output value */
data = (uint16_t)DAC0_DO;
} else {
/* store the DAC1 output value */
data = (uint16_t)DAC1_DO;
}
return data;
}
/*!
\brief set the DAC specified data holding register value
\param[in] dac_periph
\arg DACx(x=0,1)
\param[in] dac_align
only one parameter can be selected which is shown as below:
\arg DAC_ALIGN_8B_R: data right 8b alignment
\arg DAC_ALIGN_12B_R: data right 12b alignment
\arg DAC_ALIGN_12B_L: data left 12b alignment
\param[in] data: data to be loaded
\param[out] none
\retval none
*/
void dac_data_set(uint32_t dac_periph, uint32_t dac_align, uint16_t data)
{
if (DAC0 == dac_periph) {
switch (dac_align) {
/* data right 12b alignment */
case DAC_ALIGN_12B_R:
DAC0_R12DH = data;
break;
/* data left 12b alignment */
case DAC_ALIGN_12B_L:
DAC0_L12DH = data;
break;
/* data right 8b alignment */
case DAC_ALIGN_8B_R:
DAC0_R8DH = data;
break;
default:
break;
}
} else {
switch (dac_align) {
/* data right 12b alignment */
case DAC_ALIGN_12B_R:
DAC1_R12DH = data;
break;
/* data left 12b alignment */
case DAC_ALIGN_12B_L:
DAC1_L12DH = data;
break;
/* data right 8b alignment */
case DAC_ALIGN_8B_R:
DAC1_R8DH = data;
break;
default:
break;
}
}
}
/*!
\brief enable DAC trigger
\param[in] dac_periph
\arg DACx(x=0,1)
\param[out] none
\retval none
*/
void dac_trigger_enable(uint32_t dac_periph)
{
if (DAC0 == dac_periph) {
DAC_CTL |= DAC_CTL_DTEN0;
} else {
DAC_CTL |= DAC_CTL_DTEN1;
}
}
/*!
\brief disable DAC trigger
\param[in] dac_periph
\arg DACx(x=0,1)
\param[out] none
\retval none
*/
void dac_trigger_disable(uint32_t dac_periph)
{
if (DAC0 == dac_periph) {
DAC_CTL &= ~DAC_CTL_DTEN0;
} else {
DAC_CTL &= ~DAC_CTL_DTEN1;
}
}
/*!
\brief set DAC trigger source
\param[in] dac_periph
\arg DACx(x=0,1)
\param[in] triggersource: external triggers of DAC
only one parameter can be selected which is shown as below:
\arg DAC_TRIGGER_T1_TRGO: TIMER1 TRGO
\arg DAC_TRIGGER_T2_TRGO: TIMER2 TRGO
\arg DAC_TRIGGER_T3_TRGO: TIMER3 TRGO
\arg DAC_TRIGGER_T4_TRGO: TIMER4 TRGO
\arg DAC_TRIGGER_T5_TRGO: TIMER5 TRGO
\arg DAC_TRIGGER_T6_TRGO: TIMER6 TRGO
\arg DAC_TRIGGER_EXTI_9: EXTI interrupt line9 event
\arg DAC_TRIGGER_SOFTWARE: software trigger
\param[out] none
\retval none
*/
void dac_trigger_source_config(uint32_t dac_periph, uint32_t triggersource)
{
if (DAC0 == dac_periph) {
/* configure DAC0 trigger source */
DAC_CTL &= ~DAC_CTL_DTSEL0;
DAC_CTL |= triggersource;
} else {
/* configure DAC1 trigger source */
DAC_CTL &= ~DAC_CTL_DTSEL1;
DAC_CTL |= (triggersource << DAC1_REG_OFFSET);
}
}
/*!
\brief enable DAC software trigger
\param[in] dac_periph
\arg DACx(x=0,1)
\retval none
*/
void dac_software_trigger_enable(uint32_t dac_periph)
{
if (DAC0 == dac_periph) {
DAC_SWT |= DAC_SWT_SWTR0;
} else {
DAC_SWT |= DAC_SWT_SWTR1;
}
}
/*!
\brief disable DAC software trigger
\param[in] dac_periph
\arg DACx(x=0,1)
\param[out] none
\retval none
*/
void dac_software_trigger_disable(uint32_t dac_periph)
{
if (DAC0 == dac_periph) {
DAC_SWT &= ~DAC_SWT_SWTR0;
} else {
DAC_SWT &= ~DAC_SWT_SWTR1;
}
}
/*!
\brief configure DAC wave mode
\param[in] dac_periph
\arg DACx(x=0,1)
\param[in] wave_mode
only one parameter can be selected which is shown as below:
\arg DAC_WAVE_DISABLE: wave disable
\arg DAC_WAVE_MODE_LFSR: LFSR noise mode
\arg DAC_WAVE_MODE_TRIANGLE: triangle noise mode
\param[out] none
\retval none
*/
void dac_wave_mode_config(uint32_t dac_periph, uint32_t wave_mode)
{
if (DAC0 == dac_periph) {
/* configure DAC0 wave mode */
DAC_CTL &= ~DAC_CTL_DWM0;
DAC_CTL |= wave_mode;
} else {
/* configure DAC1 wave mode */
DAC_CTL &= ~DAC_CTL_DWM1;
DAC_CTL |= (wave_mode << DAC1_REG_OFFSET);
}
}
/*!
\brief configure DAC wave bit width
\param[in] dac_periph
\arg DACx(x=0,1)
\param[in] bit_width
only one parameter can be selected which is shown as below:
\arg DAC_WAVE_BIT_WIDTH_1: bit width of the wave signal is 1
\arg DAC_WAVE_BIT_WIDTH_2: bit width of the wave signal is 2
\arg DAC_WAVE_BIT_WIDTH_3: bit width of the wave signal is 3
\arg DAC_WAVE_BIT_WIDTH_4: bit width of the wave signal is 4
\arg DAC_WAVE_BIT_WIDTH_5: bit width of the wave signal is 5
\arg DAC_WAVE_BIT_WIDTH_6: bit width of the wave signal is 6
\arg DAC_WAVE_BIT_WIDTH_7: bit width of the wave signal is 7
\arg DAC_WAVE_BIT_WIDTH_8: bit width of the wave signal is 8
\arg DAC_WAVE_BIT_WIDTH_9: bit width of the wave signal is 9
\arg DAC_WAVE_BIT_WIDTH_10: bit width of the wave signal is 10
\arg DAC_WAVE_BIT_WIDTH_11: bit width of the wave signal is 11
\arg DAC_WAVE_BIT_WIDTH_12: bit width of the wave signal is 12
\param[out] none
\retval none
*/
void dac_wave_bit_width_config(uint32_t dac_periph, uint32_t bit_width)
{
if (DAC0 == dac_periph) {
/* configure DAC0 wave bit width */
DAC_CTL &= ~DAC_CTL_DWBW0;
DAC_CTL |= bit_width;
} else {
/* configure DAC1 wave bit width */
DAC_CTL &= ~DAC_CTL_DWBW1;
DAC_CTL |= (bit_width << DAC1_REG_OFFSET);
}
}
/*!
\brief configure DAC LFSR noise mode
\param[in] dac_periph
\arg DACx(x=0,1)
\param[in] unmask_bits
only one parameter can be selected which is shown as below:
\arg DAC_LFSR_BIT0: unmask the LFSR bit0
\arg DAC_LFSR_BITS1_0: unmask the LFSR bits[1:0]
\arg DAC_LFSR_BITS2_0: unmask the LFSR bits[2:0]
\arg DAC_LFSR_BITS3_0: unmask the LFSR bits[3:0]
\arg DAC_LFSR_BITS4_0: unmask the LFSR bits[4:0]
\arg DAC_LFSR_BITS5_0: unmask the LFSR bits[5:0]
\arg DAC_LFSR_BITS6_0: unmask the LFSR bits[6:0]
\arg DAC_LFSR_BITS7_0: unmask the LFSR bits[7:0]
\arg DAC_LFSR_BITS8_0: unmask the LFSR bits[8:0]
\arg DAC_LFSR_BITS9_0: unmask the LFSR bits[9:0]
\arg DAC_LFSR_BITS10_0: unmask the LFSR bits[10:0]
\arg DAC_LFSR_BITS11_0: unmask the LFSR bits[11:0]
\param[out] none
\retval none
*/
void dac_lfsr_noise_config(uint32_t dac_periph, uint32_t unmask_bits)
{
if (DAC0 == dac_periph) {
/* configure DAC0 LFSR noise mode */
DAC_CTL &= ~DAC_CTL_DWBW0;
DAC_CTL |= unmask_bits;
} else {
/* configure DAC1 LFSR noise mode */
DAC_CTL &= ~DAC_CTL_DWBW1;
DAC_CTL |= (unmask_bits << DAC1_REG_OFFSET);
}
}
/*!
\brief configure DAC triangle noise mode
\param[in] dac_periph
\arg DACx(x=0,1)
\param[in] amplitude
only one parameter can be selected which is shown as below:
\arg DAC_TRIANGLE_AMPLITUDE_1: triangle amplitude is 1
\arg DAC_TRIANGLE_AMPLITUDE_3: triangle amplitude is 3
\arg DAC_TRIANGLE_AMPLITUDE_7: triangle amplitude is 7
\arg DAC_TRIANGLE_AMPLITUDE_15: triangle amplitude is 15
\arg DAC_TRIANGLE_AMPLITUDE_31: triangle amplitude is 31
\arg DAC_TRIANGLE_AMPLITUDE_63: triangle amplitude is 63
\arg DAC_TRIANGLE_AMPLITUDE_127: triangle amplitude is 127
\arg DAC_TRIANGLE_AMPLITUDE_255: triangle amplitude is 255
\arg DAC_TRIANGLE_AMPLITUDE_511: triangle amplitude is 511
\arg DAC_TRIANGLE_AMPLITUDE_1023: triangle amplitude is 1023
\arg DAC_TRIANGLE_AMPLITUDE_2047: triangle amplitude is 2047
\arg DAC_TRIANGLE_AMPLITUDE_4095: triangle amplitude is 4095
\param[out] none
\retval none
*/
void dac_triangle_noise_config(uint32_t dac_periph, uint32_t amplitude)
{
if (DAC0 == dac_periph) {
/* configure DAC0 triangle noise mode */
DAC_CTL &= ~DAC_CTL_DWBW0;
DAC_CTL |= amplitude;
} else {
/* configure DAC1 triangle noise mode */
DAC_CTL &= ~DAC_CTL_DWBW1;
DAC_CTL |= (amplitude << DAC1_REG_OFFSET);
}
}
/*!
\brief enable DAC concurrent mode
\param[in] none
\param[out] none
\retval none
*/
void dac_concurrent_enable(void)
{
uint32_t ctl = 0U;
ctl = DAC_CTL_DEN0 | DAC_CTL_DEN1;
DAC_CTL |= (ctl);
}
/*!
\brief disable DAC concurrent mode
\param[in] none
\param[out] none
\retval none
*/
void dac_concurrent_disable(void)
{
uint32_t ctl = 0U;
ctl = DAC_CTL_DEN0 | DAC_CTL_DEN1;
DAC_CTL &= (~ctl);
}
/*!
\brief enable DAC concurrent software trigger function
\param[in] none
\param[out] none
\retval none
*/
void dac_concurrent_software_trigger_enable(void)
{
uint32_t swt = 0U;
swt = DAC_SWT_SWTR0 | DAC_SWT_SWTR1;
DAC_SWT |= (swt);
}
/*!
\brief disable DAC concurrent software trigger function
\param[in] none
\param[out] none
\retval none
*/
void dac_concurrent_software_trigger_disable(void)
{
uint32_t swt = 0U;
swt = DAC_SWT_SWTR0 | DAC_SWT_SWTR1;
DAC_SWT &= (~swt);
}
/*!
\brief enable DAC concurrent buffer function
\param[in] none
\param[out] none
\retval none
*/
void dac_concurrent_output_buffer_enable(void)
{
uint32_t ctl = 0U;
ctl = DAC_CTL_DBOFF0 | DAC_CTL_DBOFF1;
DAC_CTL &= (~ctl);
}
/*!
\brief disable DAC concurrent buffer function
\param[in] none
\param[out] none
\retval none
*/
void dac_concurrent_output_buffer_disable(void)
{
uint32_t ctl = 0U;
ctl = DAC_CTL_DBOFF0 | DAC_CTL_DBOFF1;
DAC_CTL |= (ctl);
}
/*!
\brief set DAC concurrent mode data holding register value
\param[in] dac_align
only one parameter can be selected which is shown as below:
\arg DAC_ALIGN_8B_R: data right 8b alignment
\arg DAC_ALIGN_12B_R: data right 12b alignment
\arg DAC_ALIGN_12B_L: data left 12b alignment
\param[in] data0: data to be loaded
\param[in] data1: data to be loaded
\param[out] none
\retval none
*/
void dac_concurrent_data_set(uint32_t dac_align, uint16_t data0, uint16_t data1)
{
uint32_t data = 0U;
switch (dac_align) {
/* data right 12b alignment */
case DAC_ALIGN_12B_R:
data = ((uint32_t)data1 << DH_12BIT_OFFSET) | data0;
DACC_R12DH = data;
break;
/* data left 12b alignment */
case DAC_ALIGN_12B_L:
data = ((uint32_t)data1 << DH_12BIT_OFFSET) | data0;
DACC_L12DH = data;
break;
/* data right 8b alignment */
case DAC_ALIGN_8B_R:
data = ((uint32_t)data1 << DH_8BIT_OFFSET) | data0;
DACC_R8DH = data;
break;
default:
break;
}
}

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targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Source/gd32e10x_dbg.c Normal file
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/*!
\file gd32e10x_dbg.c
\brief DBG driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_dbg.h"
/*!
\brief read DBG_ID code register
\param[in] none
\param[out] none
\retval DBG_ID code
*/
uint32_t dbg_id_get(void)
{
return DBG_ID;
}
/*!
\brief enable low power behavior when the mcu is in debug mode
\param[in] dbg_low_power:
one or more parameters can be selected which are shown as below:
\arg DBG_LOW_POWER_SLEEP: keep debugger connection during sleep mode
\arg DBG_LOW_POWER_DEEPSLEEP: keep debugger connection during deepsleep mode
\arg DBG_LOW_POWER_STANDBY: keep debugger connection during standby mode
\param[out] none
\retval none
*/
void dbg_low_power_enable(uint32_t dbg_low_power)
{
DBG_CTL |= dbg_low_power;
}
/*!
\brief disable low power behavior when the mcu is in debug mode
\param[in] dbg_low_power:
one or more parameters can be selected which are shown as below:
\arg DBG_LOW_POWER_SLEEP: donot keep debugger connection during sleep mode
\arg DBG_LOW_POWER_DEEPSLEEP: donot keep debugger connection during deepsleep mode
\arg DBG_LOW_POWER_STANDBY: donot keep debugger connection during standby mode
\param[out] none
\retval none
*/
void dbg_low_power_disable(uint32_t dbg_low_power)
{
DBG_CTL &= ~dbg_low_power;
}
/*!
\brief enable peripheral behavior when the mcu is in debug mode
\param[in] dbg_periph: refer to dbg_periph_enum
one or more parameters can be selected which are shown as below:
\arg DBG_FWDGT_HOLD : debug FWDGT kept when core is halted
\arg DBG_WWDGT_HOLD : debug WWDGT kept when core is halted
\arg DBG_CANx_HOLD (x=0,1,CAN1 is only available for CL series): hold CANx counter when core is halted
\arg DBG_I2Cx_HOLD (x=0,1): hold I2Cx smbus when core is halted
\arg DBG_TIMERx_HOLD (x=0,1,2,3,4,5,6,7,8,9,10,11,12,13,TIMER8..13 are not available for HD series): hold TIMERx counter when core is halted
\param[out] none
\retval none
*/
void dbg_periph_enable(dbg_periph_enum dbg_periph)
{
DBG_CTL |= (uint32_t)dbg_periph;
}
/*!
\brief disable peripheral behavior when the mcu is in debug mode
\param[in] dbg_periph: refer to dbg_periph_enum
one or more parameters can be selected which are shown as below:
\arg DBG_FWDGT_HOLD : debug FWDGT kept when core is halted
\arg DBG_WWDGT_HOLD : debug WWDGT kept when core is halted
\arg DBG_CANx_HOLD (x=0,1,CAN1 is only available for CL series): hold CAN0 counter when core is halted
\arg DBG_I2Cx_HOLD (x=0,1): hold I2Cx smbus when core is halted
\arg DBG_TIMERx_HOLD (x=0,1,2,3,4,5,6,7,8,9,10,11,12,13): hold TIMERx counter when core is halted
\param[out] none
\retval none
*/
void dbg_periph_disable(dbg_periph_enum dbg_periph)
{
DBG_CTL &= ~(uint32_t)dbg_periph;
}
/*!
\brief enable trace pin assignment
\param[in] none
\param[out] none
\retval none
*/
void dbg_trace_pin_enable(void)
{
DBG_CTL |= DBG_CTL_TRACE_IOEN;
}
/*!
\brief disable trace pin assignment
\param[in] none
\param[out] none
\retval none
*/
void dbg_trace_pin_disable(void)
{
DBG_CTL &= ~DBG_CTL_TRACE_IOEN;
}
/*!
\brief trace pin mode selection
\param[in] trace_mode:
only one parameter can be selected which is shown as below:
\arg TRACE_MODE_ASYNC: trace pin used for async mode
\arg TRACE_MODE_SYNC_DATASIZE_1: trace pin used for sync mode and data size is 1
\arg TRACE_MODE_SYNC_DATASIZE_2: trace pin used for sync mode and data size is 2
\arg TRACE_MODE_SYNC_DATASIZE_4: trace pin used for sync mode and data size is 4
\param[out] none
\retval none
*/
void dbg_trace_pin_mode_set(uint32_t trace_mode)
{
DBG_CTL &= ~DBG_CTL_TRACE_MODE;
DBG_CTL |= trace_mode;
}

739
targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Source/gd32e10x_dma.c Normal file
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/*!
\file gd32e10x_dma.c
\brief DMA driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_dma.h"
#define DMA_WRONG_HANDLE while(1){}
/* check whether peripheral matches channels or not */
static ErrStatus dma_periph_and_channel_check(uint32_t dma_periph, dma_channel_enum channelx);
/*!
\brief deinitialize DMA a channel registers
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel is deinitialized
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[out] none
\retval none
*/
void dma_deinit(uint32_t dma_periph, dma_channel_enum channelx)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
/* disable the DMA channel */
DMA_CHCTL(dma_periph, channelx) &= ~DMA_CHXCTL_CHEN;
/* reset DMA channel registers */
DMA_CHCTL(dma_periph, channelx) = DMA_CHCTL_RESET_VALUE;
DMA_CHCNT(dma_periph, channelx) = DMA_CHCNT_RESET_VALUE;
DMA_CHPADDR(dma_periph, channelx) = DMA_CHPADDR_RESET_VALUE;
DMA_CHMADDR(dma_periph, channelx) = DMA_CHMADDR_RESET_VALUE;
DMA_INTC(dma_periph) |= DMA_FLAG_ADD(DMA_CHINTF_RESET_VALUE, channelx);
}
/*!
\brief initialize the parameters of DMA struct with the default values
\param[in] init_struct: the initialization data needed to initialize DMA channel
\param[out] none
\retval none
*/
void dma_struct_para_init(dma_parameter_struct *init_struct)
{
/* set the DMA struct with the default values */
init_struct->periph_addr = 0U;
init_struct->periph_width = 0U;
init_struct->periph_inc = DMA_PERIPH_INCREASE_DISABLE;
init_struct->memory_addr = 0U;
init_struct->memory_width = 0U;
init_struct->memory_inc = DMA_MEMORY_INCREASE_DISABLE;
init_struct->number = 0U;
init_struct->direction = DMA_PERIPHERAL_TO_MEMORY;
init_struct->priority = DMA_PRIORITY_LOW;
}
/*!
\brief initialize DMA channel
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel is initialized
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[in] init_struct: the data needed to initialize DMA channel
periph_addr: peripheral base address
periph_width: DMA_PERIPHERAL_WIDTH_8BIT, DMA_PERIPHERAL_WIDTH_16BIT, DMA_PERIPHERAL_WIDTH_32BIT
periph_inc: DMA_PERIPH_INCREASE_ENABLE, DMA_PERIPH_INCREASE_DISABLE
memory_addr: memory base address
memory_width: DMA_MEMORY_WIDTH_8BIT, DMA_MEMORY_WIDTH_16BIT, DMA_MEMORY_WIDTH_32BIT
memory_inc: DMA_MEMORY_INCREASE_ENABLE, DMA_MEMORY_INCREASE_DISABLE
direction: DMA_PERIPHERAL_TO_MEMORY, DMA_MEMORY_TO_PERIPHERAL
number: the number of remaining data to be transferred by the DMA
priority: DMA_PRIORITY_LOW, DMA_PRIORITY_MEDIUM, DMA_PRIORITY_HIGH, DMA_PRIORITY_ULTRA_HIGH
\param[out] none
\retval none
*/
#ifdef GD_MBED_USED
void dma_para_init(uint32_t dma_periph, dma_channel_enum channelx, dma_parameter_struct *init_struct)
#else
void dma_init(uint32_t dma_periph, dma_channel_enum channelx, dma_parameter_struct *init_struct)
#endif
{
uint32_t ctl;
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
/* configure peripheral base address */
DMA_CHPADDR(dma_periph, channelx) = init_struct->periph_addr;
/* configure memory base address */
DMA_CHMADDR(dma_periph, channelx) = init_struct->memory_addr;
/* configure the number of remaining data to be transferred */
DMA_CHCNT(dma_periph, channelx) = (init_struct->number & DMA_CHANNEL_CNT_MASK);
/* configure peripheral transfer width,memory transfer width and priority */
ctl = DMA_CHCTL(dma_periph, channelx);
ctl &= ~(DMA_CHXCTL_PWIDTH | DMA_CHXCTL_MWIDTH | DMA_CHXCTL_PRIO);
ctl |= (init_struct->periph_width | init_struct->memory_width | init_struct->priority);
DMA_CHCTL(dma_periph, channelx) = ctl;
/* configure peripheral increasing mode */
if (DMA_PERIPH_INCREASE_ENABLE == init_struct->periph_inc) {
DMA_CHCTL(dma_periph, channelx) |= DMA_CHXCTL_PNAGA;
} else {
DMA_CHCTL(dma_periph, channelx) &= ~DMA_CHXCTL_PNAGA;
}
/* configure memory increasing mode */
if (DMA_MEMORY_INCREASE_ENABLE == init_struct->memory_inc) {
DMA_CHCTL(dma_periph, channelx) |= DMA_CHXCTL_MNAGA;
} else {
DMA_CHCTL(dma_periph, channelx) &= ~DMA_CHXCTL_MNAGA;
}
/* configure the direction of data transfer */
if (DMA_PERIPHERAL_TO_MEMORY == init_struct->direction) {
DMA_CHCTL(dma_periph, channelx) &= ~DMA_CHXCTL_DIR;
} else {
DMA_CHCTL(dma_periph, channelx) |= DMA_CHXCTL_DIR;
}
}
/*!
\brief enable DMA circulation mode
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[out] none
\retval none
*/
void dma_circulation_enable(uint32_t dma_periph, dma_channel_enum channelx)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
DMA_CHCTL(dma_periph, channelx) |= DMA_CHXCTL_CMEN;
}
/*!
\brief disable DMA circulation mode
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[out] none
\retval none
*/
void dma_circulation_disable(uint32_t dma_periph, dma_channel_enum channelx)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
DMA_CHCTL(dma_periph, channelx) &= ~DMA_CHXCTL_CMEN;
}
/*!
\brief enable memory to memory mode
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[out] none
\retval none
*/
void dma_memory_to_memory_enable(uint32_t dma_periph, dma_channel_enum channelx)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
DMA_CHCTL(dma_periph, channelx) |= DMA_CHXCTL_M2M;
}
/*!
\brief disable memory to memory mode
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[out] none
\retval none
*/
void dma_memory_to_memory_disable(uint32_t dma_periph, dma_channel_enum channelx)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
DMA_CHCTL(dma_periph, channelx) &= ~DMA_CHXCTL_M2M;
}
/*!
\brief enable DMA channel
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[out] none
\retval none
*/
void dma_channel_enable(uint32_t dma_periph, dma_channel_enum channelx)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
DMA_CHCTL(dma_periph, channelx) |= DMA_CHXCTL_CHEN;
}
/*!
\brief disable DMA channel
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[out] none
\retval none
*/
void dma_channel_disable(uint32_t dma_periph, dma_channel_enum channelx)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
DMA_CHCTL(dma_periph, channelx) &= ~DMA_CHXCTL_CHEN;
}
/*!
\brief set DMA peripheral base address
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[in] address: peripheral base address
\param[out] none
\retval none
*/
void dma_periph_address_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t address)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
DMA_CHPADDR(dma_periph, channelx) = address;
}
/*!
\brief set DMA memory base address
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[in] address: memory base address
\param[out] none
\retval none
*/
void dma_memory_address_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t address)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
DMA_CHMADDR(dma_periph, channelx) = address;
}
/*!
\brief set the number of remaining data to be transferred by the DMA
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[in] number: the number of remaining data to be transferred by the DMA
\arg 0x0000-0xFFFF
\param[out] none
\retval none
*/
void dma_transfer_number_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t number)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
DMA_CHCNT(dma_periph, channelx) = (number & DMA_CHANNEL_CNT_MASK);
}
/*!
\brief get the number of remaining data to be transferred by the DMA
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[out] none
\retval uint32_t: the number of remaining data to be transferred by the DMA
*/
uint32_t dma_transfer_number_get(uint32_t dma_periph, dma_channel_enum channelx)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
return (uint32_t)DMA_CHCNT(dma_periph, channelx);
}
/*!
\brief configure priority level of DMA channel
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[in] priority: priority level of this channel
only one parameter can be selected which is shown as below:
\arg DMA_PRIORITY_LOW: low priority
\arg DMA_PRIORITY_MEDIUM: medium priority
\arg DMA_PRIORITY_HIGH: high priority
\arg DMA_PRIORITY_ULTRA_HIGH: ultra high priority
\param[out] none
\retval none
*/
void dma_priority_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t priority)
{
uint32_t ctl;
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
/* acquire DMA_CHxCTL register */
ctl = DMA_CHCTL(dma_periph, channelx);
/* assign regiser */
ctl &= ~DMA_CHXCTL_PRIO;
ctl |= priority;
DMA_CHCTL(dma_periph, channelx) = ctl;
}
/*!
\brief configure transfer data size of memory
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[in] mwidth: transfer data width of memory
only one parameter can be selected which is shown as below:
\arg DMA_MEMORY_WIDTH_8BIT: transfer data width of memory is 8-bit
\arg DMA_MEMORY_WIDTH_16BIT: transfer data width of memory is 16-bit
\arg DMA_MEMORY_WIDTH_32BIT: transfer data width of memory is 32-bit
\param[out] none
\retval none
*/
void dma_memory_width_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t mwidth)
{
uint32_t ctl;
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
/* acquire DMA_CHxCTL register */
ctl = DMA_CHCTL(dma_periph, channelx);
/* assign regiser */
ctl &= ~DMA_CHXCTL_MWIDTH;
ctl |= mwidth;
DMA_CHCTL(dma_periph, channelx) = ctl;
}
/*!
\brief configure transfer data size of peripheral
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[in] pwidth: transfer data width of peripheral
only one parameter can be selected which is shown as below:
\arg DMA_PERIPHERAL_WIDTH_8BIT: transfer data width of peripheral is 8-bit
\arg DMA_PERIPHERAL_WIDTH_16BIT: transfer data width of peripheral is 16-bit
\arg DMA_PERIPHERAL_WIDTH_32BIT: transfer data width of peripheral is 32-bit
\param[out] none
\retval none
*/
void dma_periph_width_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t pwidth)
{
uint32_t ctl;
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
/* acquire DMA_CHxCTL register */
ctl = DMA_CHCTL(dma_periph, channelx);
/* assign regiser */
ctl &= ~DMA_CHXCTL_PWIDTH;
ctl |= pwidth;
DMA_CHCTL(dma_periph, channelx) = ctl;
}
/*!
\brief enable next address increasement algorithm of memory
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[out] none
\retval none
*/
void dma_memory_increase_enable(uint32_t dma_periph, dma_channel_enum channelx)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
DMA_CHCTL(dma_periph, channelx) |= DMA_CHXCTL_MNAGA;
}
/*!
\brief disable next address increasement algorithm of memory
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[out] none
\retval none
*/
void dma_memory_increase_disable(uint32_t dma_periph, dma_channel_enum channelx)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
DMA_CHCTL(dma_periph, channelx) &= ~DMA_CHXCTL_MNAGA;
}
/*!
\brief enable next address increasement algorithm of peripheral
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[out] none
\retval none
*/
void dma_periph_increase_enable(uint32_t dma_periph, dma_channel_enum channelx)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
DMA_CHCTL(dma_periph, channelx) |= DMA_CHXCTL_PNAGA;
}
/*!
\brief disable next address increasement algorithm of peripheral
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[out] none
\retval none
*/
void dma_periph_increase_disable(uint32_t dma_periph, dma_channel_enum channelx)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
DMA_CHCTL(dma_periph, channelx) &= ~DMA_CHXCTL_PNAGA;
}
/*!
\brief configure the direction of data transfer on the channel
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[in] direction: specify the direction of data transfer
only one parameter can be selected which is shown as below:
\arg DMA_PERIPHERAL_TO_MEMORY: read from peripheral and write to memory
\arg DMA_MEMORY_TO_PERIPHERAL: read from memory and write to peripheral
\param[out] none
\retval none
*/
void dma_transfer_direction_config(uint32_t dma_periph, dma_channel_enum channelx, uint32_t direction)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
if (DMA_PERIPHERAL_TO_MEMORY == direction) {
DMA_CHCTL(dma_periph, channelx) &= ~DMA_CHXCTL_DIR;
} else {
DMA_CHCTL(dma_periph, channelx) |= DMA_CHXCTL_DIR;
}
}
/*!
\brief check DMA flag is set or not
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel to get flag
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[in] flag: specify get which flag
only one parameter can be selected which is shown as below:
\arg DMA_FLAG_G: global interrupt flag of channel
\arg DMA_FLAG_FTF: full transfer finish flag of channel
\arg DMA_FLAG_HTF: half transfer finish flag of channel
\arg DMA_FLAG_ERR: error flag of channel
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus dma_flag_get(uint32_t dma_periph, dma_channel_enum channelx, uint32_t flag)
{
FlagStatus reval;
/* check whether the flag is set or not */
if (RESET != (DMA_INTF(dma_periph) & DMA_FLAG_ADD(flag, channelx))) {
reval = SET;
} else {
reval = RESET;
}
return reval;
}
/*!
\brief clear the flag of a DMA channel
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel to clear flag
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[in] flag: specify get which flag
only one parameter can be selected which is shown as below:
\arg DMA_FLAG_G: global interrupt flag of channel
\arg DMA_FLAG_FTF: full transfer finish flag of channel
\arg DMA_FLAG_HTF: half transfer finish flag of channel
\arg DMA_FLAG_ERR: error flag of channel
\param[out] none
\retval none
*/
void dma_flag_clear(uint32_t dma_periph, dma_channel_enum channelx, uint32_t flag)
{
DMA_INTC(dma_periph) |= DMA_FLAG_ADD(flag, channelx);
}
/*!
\brief check DMA flag and interrupt enable bit is set or not
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel to get flag
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[in] flag: specify get which flag
only one parameter can be selected which is shown as below:
\arg DMA_INT_FLAG_FTF: full transfer finish interrupt flag of channel
\arg DMA_INT_FLAG_HTF: half transfer finish interrupt flag of channel
\arg DMA_INT_FLAG_ERR: error interrupt flag of channel
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus dma_interrupt_flag_get(uint32_t dma_periph, dma_channel_enum channelx, uint32_t flag)
{
uint32_t interrupt_enable = 0U, interrupt_flag = 0U;
switch (flag) {
case DMA_INT_FLAG_FTF:
/* check whether the full transfer finish interrupt flag is set and enabled */
interrupt_flag = DMA_INTF(dma_periph) & DMA_FLAG_ADD(flag, channelx);
interrupt_enable = DMA_CHCTL(dma_periph, channelx) & DMA_CHXCTL_FTFIE;
break;
case DMA_INT_FLAG_HTF:
/* check whether the half transfer finish interrupt flag is set and enabled */
interrupt_flag = DMA_INTF(dma_periph) & DMA_FLAG_ADD(flag, channelx);
interrupt_enable = DMA_CHCTL(dma_periph, channelx) & DMA_CHXCTL_HTFIE;
break;
case DMA_INT_FLAG_ERR:
/* check whether the error interrupt flag is set and enabled */
interrupt_flag = DMA_INTF(dma_periph) & DMA_FLAG_ADD(flag, channelx);
interrupt_enable = DMA_CHCTL(dma_periph, channelx) & DMA_CHXCTL_ERRIE;
break;
default:
DMA_WRONG_HANDLE
}
/* when the interrupt flag is set and enabled, return SET */
if ((0U != interrupt_flag) && (0U != interrupt_enable)) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear the interrupt flag of a DMA channel
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[in] flag: specify get which flag
only one parameter can be selected which is shown as below:
\arg DMA_INT_FLAG_G: global interrupt flag of channel
\arg DMA_INT_FLAG_FTF: full transfer finish interrupt flag of channel
\arg DMA_INT_FLAG_HTF: half transfer finish interrupt flag of channel
\arg DMA_INT_FLAG_ERR: error interrupt flag of channel
\param[out] none
\retval none
*/
void dma_interrupt_flag_clear(uint32_t dma_periph, dma_channel_enum channelx, uint32_t flag)
{
DMA_INTC(dma_periph) |= DMA_FLAG_ADD(flag, channelx);
}
/*!
\brief enable DMA interrupt
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[in] source: specify which interrupt to enbale
one or more parameters can be selected which are shown as below
\arg DMA_INT_FTF: channel full transfer finish interrupt
\arg DMA_INT_HTF: channel half transfer finish interrupt
\arg DMA_INT_ERR: channel error interrupt
\param[out] none
\retval none
*/
void dma_interrupt_enable(uint32_t dma_periph, dma_channel_enum channelx, uint32_t source)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
DMA_CHCTL(dma_periph, channelx) |= source;
}
/*!
\brief disable DMA interrupt
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA0: DMA_CHx(x=0..6), DMA1: DMA_CHx(x=0..4)
\param[in] source: specify which interrupt to disbale
one or more parameters can be selected which are shown as below
\arg DMA_INT_FTF: channel full transfer finish interrupt
\arg DMA_INT_HTF: channel half transfer finish interrupt
\arg DMA_INT_ERR: channel error interrupt
\param[out] none
\retval none
*/
void dma_interrupt_disable(uint32_t dma_periph, dma_channel_enum channelx, uint32_t source)
{
if (ERROR == dma_periph_and_channel_check(dma_periph, channelx)) {
DMA_WRONG_HANDLE
}
DMA_CHCTL(dma_periph, channelx) &= ~source;
}
/*!
\brief check whether peripheral matches channels or not
\param[in] dma_periph: DMAx(x=0,1)
\arg DMAx(x=0,1)
\param[in] channelx: specified DMA channel
only one parameter can be selected which is shown as below:
\arg DMA_CHx(x=0..6)
\param[out] none
\retval ErrStatus: SUCCESS or ERROR
*/
static ErrStatus dma_periph_and_channel_check(uint32_t dma_periph, dma_channel_enum channelx)
{
ErrStatus val = SUCCESS;
if (DMA1 == dma_periph) {
/* for DMA1, the channel is from DMA_CH0 to DMA_CH4 */
if (channelx > DMA_CH4) {
val = ERROR;
}
}
return val;
}

232
targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Source/gd32e10x_exmc.c Normal file
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/*!
\file gd32e10x_exmc.c
\brief EXMC driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_exmc.h"
/* EXMC bank0 register reset value */
#define BANK0_SNCTL_RESET ((uint32_t)0x000030DBU)
#define BANK0_SNTCFG_RESET ((uint32_t)0x0FFFFFFFU)
#define BANK0_SNWTCFG_RESET ((uint32_t)0x0FFFFFFFU)
/* EXMC register bit offset */
#define SNCTL_NRMUX_OFFSET ((uint32_t)1U)
#define SNCTL_SBRSTEN_OFFSET ((uint32_t)8U)
#define SNCTL_WRAPEN_OFFSET ((uint32_t)10U)
#define SNCTL_WREN_OFFSET ((uint32_t)12U)
#define SNCTL_NRWTEN_OFFSET ((uint32_t)13U)
#define SNCTL_EXMODEN_OFFSET ((uint32_t)14U)
#define SNCTL_ASYNCWAIT_OFFSET ((uint32_t)15U)
#define SNTCFG_AHLD_OFFSET ((uint32_t)4U)
#define SNTCFG_DSET_OFFSET ((uint32_t)8U)
#define SNTCFG_BUSLAT_OFFSET ((uint32_t)16U)
#define SNWTCFG_WAHLD_OFFSET ((uint32_t)4U)
#define SNWTCFG_WDSET_OFFSET ((uint32_t)8U)
#define SNWTCFG_WBUSLAT_OFFSET ((uint32_t)16U)
/*!
\brief deinitialize EXMC NOR/SRAM bank
\param[in] none
\param[out] none
\retval none
*/
void exmc_norsram_deinit(void)
{
/* reset the registers */
EXMC_SNCTL = BANK0_SNCTL_RESET;
EXMC_SNTCFG = BANK0_SNTCFG_RESET;
EXMC_SNWTCFG = BANK0_SNWTCFG_RESET;
}
/*!
\brief initialize the struct exmc_norsram_parameter_struct
\param[in] none
\param[out] exmc_norsram_init_struct: the initialized struct exmc_norsram_parameter_struct pointer
\retval none
*/
void exmc_norsram_struct_para_init(exmc_norsram_parameter_struct *exmc_norsram_init_struct)
{
/* configure the structure with default value */
exmc_norsram_init_struct->address_data_mux = ENABLE;
exmc_norsram_init_struct->memory_type = EXMC_MEMORY_TYPE_NOR;
exmc_norsram_init_struct->databus_width = EXMC_NOR_DATABUS_WIDTH_16B;
exmc_norsram_init_struct->burst_mode = DISABLE;
exmc_norsram_init_struct->nwait_polarity = EXMC_NWAIT_POLARITY_LOW;
exmc_norsram_init_struct->wrap_burst_mode = DISABLE;
exmc_norsram_init_struct->nwait_config = EXMC_NWAIT_CONFIG_BEFORE;
exmc_norsram_init_struct->memory_write = ENABLE;
exmc_norsram_init_struct->nwait_signal = ENABLE;
exmc_norsram_init_struct->extended_mode = DISABLE;
exmc_norsram_init_struct->asyn_wait = DISABLE;
exmc_norsram_init_struct->write_mode = EXMC_ASYN_WRITE;
/* read/write timing configure */
exmc_norsram_init_struct->read_write_timing->asyn_address_setuptime = 0xFU;
exmc_norsram_init_struct->read_write_timing->asyn_address_holdtime = 0xFU;
exmc_norsram_init_struct->read_write_timing->asyn_data_setuptime = 0xFFU;
exmc_norsram_init_struct->read_write_timing->bus_latency = 0xFU;
exmc_norsram_init_struct->read_write_timing->syn_clk_division = EXMC_SYN_CLOCK_RATIO_16_CLK;
exmc_norsram_init_struct->read_write_timing->syn_data_latency = EXMC_DATALAT_17_CLK;
exmc_norsram_init_struct->read_write_timing->asyn_access_mode = EXMC_ACCESS_MODE_A;
/* write timing configure, when extended mode is used */
exmc_norsram_init_struct->write_timing->asyn_address_setuptime = 0xFU;
exmc_norsram_init_struct->write_timing->asyn_address_holdtime = 0xFU;
exmc_norsram_init_struct->write_timing->asyn_data_setuptime = 0xFFU;
exmc_norsram_init_struct->write_timing->bus_latency = 0xFU;
exmc_norsram_init_struct->write_timing->asyn_access_mode = EXMC_ACCESS_MODE_A;
}
/*!
\brief initialize EXMC NOR/SRAM bank
\param[in] exmc_norsram_parameter_struct: configure the EXMC NOR/SRAM parameter
write_mode: EXMC_ASYN_WRITE,EXMC_SYN_WRITE
extended_mode: ENABLE or DISABLE
asyn_wait: ENABLE or DISABLE
nwait_signal: ENABLE or DISABLE
memory_write: ENABLE or DISABLE
nwait_config: EXMC_NWAIT_CONFIG_BEFORE,EXMC_NWAIT_CONFIG_DURING
wrap_burst_mode: ENABLE or DISABLE
nwait_polarity: EXMC_NWAIT_POLARITY_LOW,EXMC_NWAIT_POLARITY_HIGH
burst_mode: ENABLE or DISABLE
databus_width: EXMC_NOR_DATABUS_WIDTH_8B,EXMC_NOR_DATABUS_WIDTH_16B
memory_type: EXMC_MEMORY_TYPE_SRAM,EXMC_MEMORY_TYPE_PSRAM,EXMC_MEMORY_TYPE_NOR
address_data_mux: ENABLE or DISABLE
read_write_timing: struct exmc_norsram_timing_parameter_struct set the time
write_timing: struct exmc_norsram_timing_parameter_struct set the time
\param[out] none
\retval none
*/
void exmc_norsram_init(exmc_norsram_parameter_struct *exmc_norsram_init_struct)
{
uint32_t snctl = 0x00000000U, sntcfg = 0x00000000U, snwtcfg = 0x00000000U;
/* get the register value */
snctl = EXMC_SNCTL;
/* clear relative bits */
snctl &= ((uint32_t)~(EXMC_SNCTL_NRMUX | EXMC_SNCTL_NRTP | EXMC_SNCTL_NRW | EXMC_SNCTL_SBRSTEN |
EXMC_SNCTL_NREN | EXMC_SNCTL_NRWTPOL | EXMC_SNCTL_WRAPEN | EXMC_SNCTL_NRWTCFG |
EXMC_SNCTL_WREN | EXMC_SNCTL_NRWTEN | EXMC_SNCTL_EXMODEN | EXMC_SNCTL_ASYNCWAIT |
EXMC_SNCTL_SYNCWR));
snctl |= (uint32_t)(exmc_norsram_init_struct->address_data_mux << SNCTL_NRMUX_OFFSET) |
exmc_norsram_init_struct->memory_type |
exmc_norsram_init_struct->databus_width |
(exmc_norsram_init_struct->burst_mode << SNCTL_SBRSTEN_OFFSET) |
exmc_norsram_init_struct->nwait_polarity |
(exmc_norsram_init_struct->wrap_burst_mode << SNCTL_WRAPEN_OFFSET) |
exmc_norsram_init_struct->nwait_config |
(exmc_norsram_init_struct->memory_write << SNCTL_WREN_OFFSET) |
(exmc_norsram_init_struct->nwait_signal << SNCTL_NRWTEN_OFFSET) |
(exmc_norsram_init_struct->extended_mode << SNCTL_EXMODEN_OFFSET) |
(exmc_norsram_init_struct->asyn_wait << SNCTL_ASYNCWAIT_OFFSET) |
exmc_norsram_init_struct->write_mode;
sntcfg = (uint32_t)((exmc_norsram_init_struct->read_write_timing->asyn_address_setuptime - 1U) & EXMC_SNTCFG_ASET) |
(((exmc_norsram_init_struct->read_write_timing->asyn_address_holdtime - 1U) << SNTCFG_AHLD_OFFSET) & EXMC_SNTCFG_AHLD) |
(((exmc_norsram_init_struct->read_write_timing->asyn_data_setuptime - 1U) << SNTCFG_DSET_OFFSET) & EXMC_SNTCFG_DSET) |
(((exmc_norsram_init_struct->read_write_timing->bus_latency - 1U) << SNTCFG_BUSLAT_OFFSET) & EXMC_SNTCFG_BUSLAT) |
exmc_norsram_init_struct->read_write_timing->syn_clk_division |
exmc_norsram_init_struct->read_write_timing->syn_data_latency |
exmc_norsram_init_struct->read_write_timing->asyn_access_mode;
/* nor flash access enable */
if (EXMC_MEMORY_TYPE_NOR == exmc_norsram_init_struct->memory_type) {
snctl |= (uint32_t)EXMC_SNCTL_NREN;
}
/* extended mode configure */
if (ENABLE == exmc_norsram_init_struct->extended_mode) {
snwtcfg = (uint32_t)((exmc_norsram_init_struct->write_timing->asyn_address_setuptime - 1U) & EXMC_SNWTCFG_WASET) |
(((exmc_norsram_init_struct->write_timing->asyn_address_holdtime - 1U) << SNWTCFG_WAHLD_OFFSET) & EXMC_SNWTCFG_WAHLD) |
(((exmc_norsram_init_struct->write_timing->asyn_data_setuptime - 1U) << SNWTCFG_WDSET_OFFSET) & EXMC_SNWTCFG_WDSET) |
(((exmc_norsram_init_struct->write_timing->bus_latency - 1U) << SNWTCFG_WBUSLAT_OFFSET) & EXMC_SNWTCFG_WBUSLAT) |
exmc_norsram_init_struct->write_timing->asyn_access_mode;
} else {
snwtcfg = BANK0_SNWTCFG_RESET;
}
/* configure the registers */
EXMC_SNCTL = snctl;
EXMC_SNTCFG = sntcfg;
EXMC_SNWTCFG = snwtcfg;
}
/*!
\brief enable EXMC NOR/PSRAM bank
\param[in] none
\param[out] none
\retval none
*/
void exmc_norsram_enable(void)
{
EXMC_SNCTL |= (uint32_t)EXMC_SNCTL_NRBKEN;
}
/*!
\brief disable EXMC NOR/PSRAM bank
\param[in] none
\param[out] none
\retval none
*/
void exmc_norsram_disable(void)
{
EXMC_SNCTL &= ~(uint32_t)EXMC_SNCTL_NRBKEN;
}
/*!
\brief configure CRAM page size
\param[in] page_size: CRAM page size
only one parameter can be selected which is shown as below:
\arg EXMC_CRAM_AUTO_SPLIT: the clock is generated only during synchronous access
\arg EXMC_CRAM_PAGE_SIZE_128_BYTES: page size is 128 bytes
\arg EXMC_CRAM_PAGE_SIZE_256_BYTES: page size is 256 bytes
\arg EXMC_CRAM_PAGE_SIZE_512_BYTES: page size is 512 bytes
\arg EXMC_CRAM_PAGE_SIZE_1024_BYTES: page size is 1024 bytes
\param[out] none
\retval none
*/
void exmc_norsram_page_size_config(uint32_t page_size)
{
/* reset the bits */
EXMC_SNCTL &= ~EXMC_SNCTL_CPS;
/* set the CPS bits */
EXMC_SNCTL |= page_size;
}

253
targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Source/gd32e10x_exti.c Normal file
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/*!
\file gd32e10x_exti.c
\brief EXTI driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_exti.h"
/*!
\brief deinitialize the EXTI
\param[in] none
\param[out] none
\retval none
*/
void exti_deinit(void)
{
/* reset the value of all the EXTI registers */
EXTI_INTEN = (uint32_t)0x00000000U;
EXTI_EVEN = (uint32_t)0x00000000U;
EXTI_RTEN = (uint32_t)0x00000000U;
EXTI_FTEN = (uint32_t)0x00000000U;
EXTI_SWIEV = (uint32_t)0x00000000U;
}
/*!
\brief initialize the EXTI
\param[in] linex: EXTI line number, refer to exti_line_enum
only one parameter can be selected which is shown as below:
\arg EXTI_x (x=0..18): EXTI line x
\param[in] mode: interrupt or event mode, refer to exti_mode_enum
only one parameter can be selected which is shown as below:
\arg EXTI_INTERRUPT: interrupt mode
\arg EXTI_EVENT: event mode
\param[in] trig_type: interrupt trigger type, refer to exti_trig_type_enum
only one parameter can be selected which is shown as below:
\arg EXTI_TRIG_RISING: rising edge trigger
\arg EXTI_TRIG_FALLING: falling trigger
\arg EXTI_TRIG_BOTH: rising and falling trigger
\param[out] none
\retval none
*/
void exti_init(exti_line_enum linex, exti_mode_enum mode, exti_trig_type_enum trig_type)
{
/* reset the EXTI line x */
EXTI_INTEN &= ~(uint32_t)linex;
EXTI_EVEN &= ~(uint32_t)linex;
EXTI_RTEN &= ~(uint32_t)linex;
EXTI_FTEN &= ~(uint32_t)linex;
/* set the EXTI mode and enable the interrupts or events from EXTI line x */
switch (mode) {
case EXTI_INTERRUPT:
EXTI_INTEN |= (uint32_t)linex;
break;
case EXTI_EVENT:
EXTI_EVEN |= (uint32_t)linex;
break;
default:
break;
}
/* set the EXTI trigger type */
switch (trig_type) {
case EXTI_TRIG_RISING:
EXTI_RTEN |= (uint32_t)linex;
EXTI_FTEN &= ~(uint32_t)linex;
break;
case EXTI_TRIG_FALLING:
EXTI_RTEN &= ~(uint32_t)linex;
EXTI_FTEN |= (uint32_t)linex;
break;
case EXTI_TRIG_BOTH:
EXTI_RTEN |= (uint32_t)linex;
EXTI_FTEN |= (uint32_t)linex;
break;
default:
break;
}
}
/*!
\brief enable the interrupts from EXTI line x
\param[in] linex: EXTI line number, refer to exti_line_enum
only one parameter can be selected which is shown as below:
\arg EXTI_x (x=0..18): EXTI line x
\param[out] none
\retval none
*/
void exti_interrupt_enable(exti_line_enum linex)
{
EXTI_INTEN |= (uint32_t)linex;
}
/*!
\brief enable the events from EXTI line x
\param[in] linex: EXTI line number, refer to exti_line_enum
only one parameter can be selected which is shown as below:
\arg EXTI_x (x=0..18): EXTI line x
\param[out] none
\retval none
*/
void exti_event_enable(exti_line_enum linex)
{
EXTI_EVEN |= (uint32_t)linex;
}
/*!
\brief disable the interrupt from EXTI line x
\param[in] linex: EXTI line number, refer to exti_line_enum
only one parameter can be selected which is shown as below:
\arg EXTI_x (x=0..18): EXTI line x
\param[out] none
\retval none
*/
void exti_interrupt_disable(exti_line_enum linex)
{
EXTI_INTEN &= ~(uint32_t)linex;
}
/*!
\brief disable the events from EXTI line x
\param[in] linex: EXTI line number, refer to exti_line_enum
only one parameter can be selected which is shown as below:
\arg EXTI_x (x=0..18): EXTI line x
\param[out] none
\retval none
*/
void exti_event_disable(exti_line_enum linex)
{
EXTI_EVEN &= ~(uint32_t)linex;
}
/*!
\brief get EXTI lines flag
\param[in] linex: EXTI line number, refer to exti_line_enum
only one parameter can be selected which is shown as below:
\arg EXTI_x (x=0..18): EXTI line x
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus exti_flag_get(exti_line_enum linex)
{
if (RESET != (EXTI_PD & (uint32_t)linex)) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear EXTI lines pending flag
\param[in] linex: EXTI line number, refer to exti_line_enum
only one parameter can be selected which is shown as below:
\arg EXTI_x (x=0..18): EXTI line x
\param[out] none
\retval none
*/
void exti_flag_clear(exti_line_enum linex)
{
EXTI_PD = (uint32_t)linex;
}
/*!
\brief get EXTI lines interrupt flag
\param[in] linex: EXTI line number, refer to exti_line_enum
only one parameter can be selected which is shown as below:
\arg EXTI_x (x=0..18): EXTI line x
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus exti_interrupt_flag_get(exti_line_enum linex)
{
uint32_t flag_left, flag_right;
flag_left = EXTI_PD & (uint32_t)linex;
flag_right = EXTI_INTEN & (uint32_t)linex;
if ((RESET != flag_left) && (RESET != flag_right)) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear EXTI lines pending flag
\param[in] linex: EXTI line number, refer to exti_line_enum
only one parameter can be selected which is shown as below:
\arg EXTI_x (x=0..18): EXTI line x
\param[out] none
\retval none
*/
void exti_interrupt_flag_clear(exti_line_enum linex)
{
EXTI_PD = (uint32_t)linex;
}
/*!
\brief enable EXTI software interrupt event
\param[in] linex: EXTI line number, refer to exti_line_enum
only one parameter can be selected which is shown as below:
\arg EXTI_x (x=0..18): EXTI line x
\param[out] none
\retval none
*/
void exti_software_interrupt_enable(exti_line_enum linex)
{
EXTI_SWIEV |= (uint32_t)linex;
}
/*!
\brief disable EXTI software interrupt event
\param[in] linex: EXTI line number, refer to exti_line_enum
only one parameter can be selected which is shown as below:
\arg EXTI_x (x=0..18): EXTI line x
\param[out] none
\retval none
*/
void exti_software_interrupt_disable(exti_line_enum linex)
{
EXTI_SWIEV &= ~(uint32_t)linex;
}

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/*!
\file gd32e10x_fmc.c
\brief FMC driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_fmc.h"
/* FMC register bit offset */
#define OB_WP1_WP1_OFFSET ((uint32_t)8U)
#define OB_WP2_WP2_OFFSET ((uint32_t)16U)
#define OB_WP3_WP3_OFFSET ((uint32_t)24U)
#define FMC_OBSTAT_USER_OFFSET ((uint32_t)2U)
#define FMC_OBSTAT_DATA_OFFSET ((uint32_t)10U)
/* return the FMC state */
static fmc_state_enum fmc_state_get(void);
/* check FMC ready or not */
static fmc_state_enum fmc_ready_wait(uint32_t timeout);
/*!
\brief set the wait state counter value
\param[in] wscnt:wait state counter value
only one parameter can be selected which is shown as below:
\arg FMC_WAIT_STATE_0: FMC 0 wait
\arg FMC_WAIT_STATE_1: FMC 1 wait
\arg FMC_WAIT_STATE_2: FMC 2 wait
\arg FMC_WAIT_STATE_3: FMC 3 wait
\param[out] none
\retval none
*/
void fmc_wscnt_set(uint32_t wscnt)
{
uint32_t ws;
ws = FMC_WS;
/* set the wait state counter value */
ws &= ~FMC_WS_WSCNT;
FMC_WS = (ws | wscnt);
}
/*!
\brief enable pre-fetch
\param[in] none
\param[out] none
\retval none
*/
void fmc_prefetch_enable(void)
{
FMC_WS |= FMC_WS_PFEN;
}
/*!
\brief disable pre-fetch
\param[in] none
\param[out] none
\retval none
*/
void fmc_prefetch_disable(void)
{
FMC_WS &= ~FMC_WS_PFEN;
}
/*!
\brief enable IBUS cache
\param[in] none
\param[out] none
\retval none
*/
void fmc_ibus_enable(void)
{
FMC_WS |= FMC_WS_ICEN;
}
/*!
\brief disable IBUS cache
\param[in] none
\param[out] none
\retval none
*/
void fmc_ibus_disable(void)
{
FMC_WS &= ~FMC_WS_ICEN;
}
/*!
\brief enable DBUS cache
\param[in] none
\param[out] none
\retval none
*/
void fmc_dbus_enable(void)
{
FMC_WS |= FMC_WS_DCEN;
}
/*!
\brief disable DBUS cache
\param[in] none
\param[out] none
\retval none
*/
void fmc_dbus_disable(void)
{
FMC_WS &= ~FMC_WS_DCEN;
}
/*!
\brief reset IBUS cache
\param[in] none
\param[out] none
\retval none
*/
void fmc_ibus_reset(void)
{
FMC_WS |= FMC_WS_ICRST;
}
/*!
\brief reset DBUS cache
\param[in] none
\param[out] none
\retval none
*/
void fmc_dbus_reset(void)
{
FMC_WS |= FMC_WS_DCRST;
}
/*!
\brief set program width to flash memory
\param[in] pgw
only one parameter can be selected which is shown as below:
\arg FMC_PROG_W_32B: 32-bit program width to flash memory
\arg FMC_PROG_W_64B: 64-bit program width to flash memory
\param[out] none
\retval none
*/
void fmc_program_width_set(uint32_t pgw)
{
uint32_t ws = 0U;
/* configure program width to flash memory */
ws = FMC_WS;
ws &= ~FMC_WS_PGW;
ws |= pgw;
FMC_WS = ws;
}
/*!
\brief unlock the main FMC operation
\param[in] none
\param[out] none
\retval none
*/
void fmc_unlock(void)
{
if (RESET != (FMC_CTL & FMC_CTL_LK)) {
/* write the FMC unlock key */
FMC_KEY = UNLOCK_KEY0;
FMC_KEY = UNLOCK_KEY1;
}
}
/*!
\brief lock the main FMC operation
\param[in] none
\param[out] none
\retval none
*/
void fmc_lock(void)
{
/* set the LK bit */
FMC_CTL |= FMC_CTL_LK;
}
/*!
\brief erase page
\param[in] page_address: the page address to be erased
\param[out] none
\retval state of FMC
\arg FMC_READY: the operation has been completed
\arg FMC_BUSY: the operation is in progress
\arg FMC_PGERR: program error
\arg FMC_PGAERR: program alignment error
\arg FMC_WPERR: erase/program protection error
\arg FMC_TOERR: timeout error
*/
fmc_state_enum fmc_page_erase(uint32_t page_address)
{
fmc_state_enum fmc_state;
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
/* if the last operation is completed, start page erase */
if (FMC_READY == fmc_state) {
FMC_CTL |= FMC_CTL_PER;
FMC_ADDR = page_address;
FMC_CTL |= FMC_CTL_START;
/* wait for the FMC ready */
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
/* reset the PER bit */
FMC_CTL &= ~FMC_CTL_PER;
}
/* return the FMC state */
return fmc_state;
}
/*!
\brief erase whole chip
\param[in] none
\param[out] none
\retval state of FMC
\arg FMC_READY: the operation has been completed
\arg FMC_BUSY: the operation is in progress
\arg FMC_PGERR: program error
\arg FMC_PGAERR: program alignment error
\arg FMC_WPERR: erase/program protection error
\arg FMC_TOERR: timeout error
*/
fmc_state_enum fmc_mass_erase(void)
{
fmc_state_enum fmc_state;
/* wait for the FMC ready */
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
if (FMC_READY == fmc_state) {
/* start whole chip erase */
FMC_CTL |= FMC_CTL_MER;
FMC_CTL |= FMC_CTL_START;
/* wait for the FMC ready */
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
/* reset the MER bit */
FMC_CTL &= ~FMC_CTL_MER;
}
/* return the FMC state */
return fmc_state;
}
/*!
\brief program a double word at the corresponding address
\param[in] address: address to program
\param[in] data: double word to program
\param[out] none
\retval state of FMC
\arg FMC_READY: the operation has been completed
\arg FMC_BUSY: the operation is in progress
\arg FMC_PGERR: program error
\arg FMC_PGAERR: program alignment error
\arg FMC_WPERR: erase/program protection error
\arg FMC_TOERR: timeout error
*/
fmc_state_enum fmc_doubleword_program(uint32_t address, uint64_t data)
{
fmc_state_enum fmc_state = FMC_READY;
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
if (FMC_READY == fmc_state) {
/* set the PG bit to start program */
FMC_CTL |= FMC_CTL_PG;
*(__IO uint64_t *)(address) = data;
/* wait for the FMC ready */
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
/* reset the PG bit */
FMC_CTL &= ~FMC_CTL_PG;
}
/* return the FMC state */
return fmc_state;
}
/*!
\brief program a word at the corresponding address
\param[in] address: address to program
\param[in] data: word to program
\param[out] none
\retval state of FMC
\arg FMC_READY: the operation has been completed
\arg FMC_BUSY: the operation is in progress
\arg FMC_PGERR: program error
\arg FMC_PGAERR: program alignment error
\arg FMC_WPERR: erase/program protection error
\arg FMC_TOERR: timeout error
*/
fmc_state_enum fmc_word_program(uint32_t address, uint32_t data)
{
fmc_state_enum fmc_state = FMC_READY;
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
if (FMC_READY == fmc_state) {
/* set the PG bit to start program */
FMC_CTL |= FMC_CTL_PG;
REG32(address) = data;
/* wait for the FMC ready */
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
/* reset the PG bit */
FMC_CTL &= ~FMC_CTL_PG;
}
/* return the FMC state */
return fmc_state;
}
/*!
\brief program a half word at the corresponding address
\param[in] address: address to program
\param[in] data: halfword to program
\param[out] none
\retval state of FMC
\arg FMC_READY: the operation has been completed
\arg FMC_BUSY: the operation is in progress
\arg FMC_PGERR: program error
\arg FMC_PGAERR: program alignment error
\arg FMC_WPERR: erase/program protection error
\arg FMC_TOERR: timeout error
*/
fmc_state_enum fmc_halfword_program(uint32_t address, uint16_t data)
{
fmc_state_enum fmc_state = FMC_READY;
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
if (FMC_READY == fmc_state) {
/* set the PG bit to start program */
FMC_CTL |= FMC_CTL_PG;
REG16(address) = data;
/* wait for the FMC ready */
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
/* reset the PG bit */
FMC_CTL &= ~FMC_CTL_PG;
}
/* return the FMC state */
return fmc_state;
}
/*!
\brief unlock the option bytes operation
\param[in] none
\param[out] none
\retval none
*/
void ob_unlock(void)
{
if (RESET == (FMC_CTL & FMC_CTL_OBWEN)) {
/* write the FMC key */
FMC_OBKEY = UNLOCK_KEY0;
FMC_OBKEY = UNLOCK_KEY1;
}
}
/*!
\brief lock the option bytes operation
\param[in] none
\param[out] none
\retval none
*/
void ob_lock(void)
{
/* reset the OBWEN bit */
FMC_CTL &= ~FMC_CTL_OBWEN;
}
/*!
\brief erase the FMC option bytes
unlock the FMC_CTL and option bytes before calling this function
\param[in] none
\param[out] none
\retval state of FMC
\arg FMC_READY: the operation has been completed
\arg FMC_BUSY: the operation is in progress
\arg FMC_PGERR: program error
\arg FMC_PGAERR: program alignment error
\arg FMC_WPERR: erase/program protection error
\arg FMC_TOERR: timeout error
*/
fmc_state_enum ob_erase(void)
{
uint16_t temp_spc = FMC_NSPC;
uint32_t temp;
fmc_state_enum fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
/* check the option bytes security protection value */
if (RESET != ob_security_protection_flag_get()) {
temp_spc = FMC_USPC;
}
if (FMC_READY == fmc_state) {
/* start erase the option bytes */
FMC_CTL |= FMC_CTL_OBER;
FMC_CTL |= FMC_CTL_START;
/* wait for the FMC ready */
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
if (FMC_READY == fmc_state) {
/* reset the OBER bit */
FMC_CTL &= ~FMC_CTL_OBER;
/* set the OBPG bit */
FMC_CTL |= FMC_CTL_OBPG;
temp = ((uint32_t)temp_spc) | 0xffff0000;
/* no security protection */
OB_SPC = temp;
/* wait for the FMC ready */
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
if (FMC_TOERR != fmc_state) {
/* reset the OBPG bit */
FMC_CTL &= ~FMC_CTL_OBPG;
}
} else {
if (FMC_TOERR != fmc_state) {
/* reset the OBPG bit */
FMC_CTL &= ~FMC_CTL_OBPG;
}
}
}
/* return the FMC state */
return fmc_state;
}
/*!
\brief enable write protection
\param[in] ob_wp: specify sector to be write protected
one or more parameters can be selected which are shown as below:
\arg OB_WP_ALL: write protect all sector
\arg OB_WPx(x=0..31): write protect specify sector
\param[out] none
\retval state of FMC
\arg FMC_READY: the operation has been completed
\arg FMC_BUSY: the operation is in progress
\arg FMC_PGERR: program error
\arg FMC_PGAERR: program alignment error
\arg FMC_WPERR: erase/program protection error
\arg FMC_TOERR: timeout error
*/
fmc_state_enum ob_write_protection_enable(uint32_t ob_wp)
{
uint16_t temp_wp0, temp_wp1, temp_wp2, temp_wp3;
uint32_t temp1, temp2;
fmc_state_enum fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
ob_wp = (uint32_t)(~ob_wp);
temp_wp0 = (uint16_t)(ob_wp & OB_WP0_WP0);
temp_wp1 = (uint16_t)((ob_wp & OB_WP1_WP1) >> OB_WP1_WP1_OFFSET);
temp_wp2 = (uint16_t)((ob_wp & OB_WP2_WP2) >> OB_WP2_WP2_OFFSET);
temp_wp3 = (uint16_t)((ob_wp & OB_WP3_WP3) >> OB_WP3_WP3_OFFSET);
temp1 = (((uint32_t)temp_wp1) << 16) | ((uint32_t)temp_wp0);
temp2 = (((uint32_t)temp_wp3) << 16) | ((uint32_t)temp_wp2);
if (FMC_READY == fmc_state) {
/* set the OBPG bit*/
FMC_CTL |= FMC_CTL_OBPG;
if (0xFFFFU != temp1) {
OB_WP0 = temp1;
/* wait for the FMC ready */
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
}
if (0xFFFFU != temp2) {
OB_WP2 = temp2;
/* wait for the FMC ready */
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
}
if (FMC_TOERR != fmc_state) {
/* reset the OBPG bit */
FMC_CTL &= ~FMC_CTL_OBPG;
}
}
/* return the FMC state */
return fmc_state;
}
/*!
\brief configure security protection
\param[in] ob_spc: specify security protection
only one parameter can be selected which is shown as below:
\arg FMC_NSPC: no security protection
\arg FMC_USPC: under security protection
\param[out] none
\retval state of FMC
\arg FMC_READY: the operation has been completed
\arg FMC_BUSY: the operation is in progress
\arg FMC_PGERR: program error
\arg FMC_PGAERR: program alignment error
\arg FMC_WPERR: erase/program protection error
\arg FMC_TOERR: timeout error
*/
fmc_state_enum ob_security_protection_config(uint8_t ob_spc)
{
uint16_t temp_spc;
uint32_t temp;
fmc_state_enum fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
if (FMC_READY == fmc_state) {
FMC_CTL |= FMC_CTL_OBER;
FMC_CTL |= FMC_CTL_START;
/* wait for the FMC ready */
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
if (FMC_READY == fmc_state) {
/* reset the OBER bit */
FMC_CTL &= ~FMC_CTL_OBER;
/* start the option bytes program */
FMC_CTL |= FMC_CTL_OBPG;
temp_spc = (uint16_t)ob_spc;
temp = ((uint32_t)temp_spc) | 0xffff0000;
/* config security protection */
OB_SPC = temp;
/* wait for the FMC ready */
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
if (FMC_TOERR != fmc_state) {
/* reset the OBPG bit */
FMC_CTL &= ~FMC_CTL_OBPG;
}
} else {
if (FMC_TOERR != fmc_state) {
/* reset the OBER bit */
FMC_CTL &= ~FMC_CTL_OBER;
}
}
}
/* return the FMC state */
return fmc_state;
}
/*!
\brief program the FMC user option bytes
\param[in] ob_fwdgt: option bytes free watchdog value
only one parameter can be selected which is shown as below:
\arg OB_FWDGT_SOFTWARE: software free watchdog
\arg OB_FWDGT_HARDWARE: hardware free watchdog
\param[in] ob_deepsleep: option bytes deepsleep reset value
only one parameter can be selected which is shown as below:
\arg OB_DEEPSLEEP_NO_RST: no reset when entering deepsleep mode
\arg OB_DEEPSLEEP_RST: generate a reset instead of entering deepsleep mode
\param[in] ob_stdby:option bytes standby reset value
only one parameter can be selected which is shown as below:
\arg OB_STDBY_NO_RST: no reset when entering standby mode
\arg OB_STDBY_RST: generate a reset instead of entering standby mode
\param[out] none
\retval state of FMC
\arg FMC_READY: the operation has been completed
\arg FMC_BUSY: the operation is in progress
\arg FMC_PGERR: program error
\arg FMC_PGAERR: program alignment error
\arg FMC_WPERR: erase/program protection error
\arg FMC_TOERR: timeout error
*/
fmc_state_enum ob_user_write(uint8_t ob_fwdgt, uint8_t ob_deepsleep, uint8_t ob_stdby)
{
fmc_state_enum fmc_state = FMC_READY;
uint8_t temp;
/* wait for the FMC ready */
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
if (FMC_READY == fmc_state) {
/* set the OBPG bit*/
FMC_CTL |= FMC_CTL_OBPG;
temp = ((uint8_t)((uint8_t)((uint8_t)(ob_fwdgt) | ob_deepsleep) | ob_stdby) | (OB_USER_MASK));
OB_USER = temp;
/* wait for the FMC ready */
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
if (FMC_TOERR != fmc_state) {
/* reset the OBPG bit */
FMC_CTL &= ~FMC_CTL_OBPG;
}
}
/* return the FMC state */
return fmc_state;
}
/*!
\brief program option bytes data
\param[in] address: the option bytes address to be programmed
\param[in] data: the byte to be programmed
\param[out] none
\retval state of FMC
\arg FMC_READY: the operation has been completed
\arg FMC_BUSY: the operation is in progress
\arg FMC_PGERR: program error
\arg FMC_PGAERR: program alignment error
\arg FMC_WPERR: erase/program protection error
\arg FMC_TOERR: timeout error
*/
fmc_state_enum ob_data_program(uint32_t address, uint8_t data)
{
fmc_state_enum fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
if (FMC_READY == fmc_state) {
/* set the OBPG bit */
FMC_CTL |= FMC_CTL_OBPG;
REG16(address) = data;
/* wait for the FMC ready */
fmc_state = fmc_ready_wait(FMC_TIMEOUT_COUNT);
if (FMC_TOERR != fmc_state) {
/* reset the OBPG bit */
FMC_CTL &= ~FMC_CTL_OBPG;
}
}
/* return the FMC state */
return fmc_state;
}
/*!
\brief get the FMC user option bytes
\param[in] none
\param[out] none
\retval the FMC user option bytes values
*/
uint8_t ob_user_get(void)
{
/* return the FMC user option bytes value */
return (uint8_t)(FMC_OBSTAT >> FMC_OBSTAT_USER_OFFSET);
}
/*!
\brief get OB_DATA in register FMC_OBSTAT
\param[in] none
\param[out] none
\retval ob_data
*/
uint16_t ob_data_get(void)
{
return (uint16_t)(FMC_OBSTAT >> FMC_OBSTAT_DATA_OFFSET);
}
/*!
\brief get the FMC option bytes write protection
\param[in] none
\param[out] none
\retval the FMC write protection option bytes value
*/
uint32_t ob_write_protection_get(void)
{
/* return the FMC write protection option bytes value */
return FMC_WP;
}
/*!
\brief get the FMC option bytes security protection
\param[in] none
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus ob_security_protection_flag_get(void)
{
FlagStatus spc_state = RESET;
if (RESET != (FMC_OBSTAT & FMC_OBSTAT_SPC)) {
spc_state = SET;
} else {
spc_state = RESET;
}
return spc_state;
}
/*!
\brief enable FMC interrupt
\param[in] interrupt: the FMC interrupt source
only one parameter can be selected which is shown as below:
\arg FMC_INT_BANK_END: enable FMC end of program interrupt
\arg FMC_INT_BANK_ERR: enable FMC error interrupt
\param[out] none
\retval none
*/
void fmc_interrupt_enable(uint32_t interrupt)
{
FMC_REG_VAL(interrupt) |= BIT(FMC_BIT_POS(interrupt));
}
/*!
\brief disable FMC interrupt
\param[in] interrupt: the FMC interrupt source
only one parameter can be selected which is shown as below:
\arg FMC_INT_END: enable FMC end of program interrupt
\arg FMC_INT_ERR: enable FMC error interrupt
\param[out] none
\retval none
*/
void fmc_interrupt_disable(uint32_t interrupt)
{
FMC_REG_VAL(interrupt) &= ~BIT(FMC_BIT_POS(interrupt));
}
/*!
\brief check flag is set or not
\param[in] flag: check FMC flag
only one parameter can be selected which is shown as below:
\arg FMC_FLAG_BUSY: FMC busy flag bit
\arg FMC_FLAG_PGERR: FMC operation error flag bit
\arg FMC_FLAG_PGAERR: FMC program alignment error flag bit
\arg FMC_FLAG_WPERR: FMC erase/program protection error flag bit
\arg FMC_FLAG_END: FMC end of operation flag bit
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus fmc_flag_get(uint32_t flag)
{
if (RESET != (FMC_REG_VAL(flag) & BIT(FMC_BIT_POS(flag)))) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear the FMC flag
\param[in] flag: clear FMC flag
only one parameter can be selected which is shown as below:
\arg FMC_FLAG_PGERR: FMC operation error flag bit
\arg FMC_FLAG_PGAERR: FMC program alignment error flag bit
\arg FMC_FLAG_WPERR: FMC erase/program protection error flag bit
\arg FMC_FLAG_END: FMC end of operation flag bit
\param[out] none
\retval none
*/
void fmc_flag_clear(uint32_t flag)
{
FMC_REG_VAL(flag) |= BIT(FMC_BIT_POS(flag));
}
/*!
\brief get FMC interrupt flag state
\param[in] flag: FMC interrupt flags, refer to fmc_interrupt_flag_enum
only one parameter can be selected which is shown as below:
\arg FMC_INT_FLAG_PGERR: FMC operation error interrupt flag bit
\arg FMC_FLAG_PGAERR: FMC program alignment error flag bit
\arg FMC_INT_FLAG_WPERR: FMC erase/program protection error interrupt flag bit
\arg FMC_INT_FLAG_END: FMC end of operation interrupt flag bit
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus fmc_interrupt_flag_get(fmc_interrupt_flag_enum flag)
{
FlagStatus ret1 = RESET;
FlagStatus ret2 = RESET;
if (FMC_STAT_REG_OFFSET == FMC_REG_OFFSET_GET(flag)) {
/* get the staus of interrupt flag */
ret1 = (FlagStatus)(FMC_REG_VALS(flag) & BIT(FMC_BIT_POS0(flag)));
/* get the staus of interrupt enale bit */
ret2 = (FlagStatus)(FMC_CTL & BIT(FMC_BIT_POS1(flag)));
}
if (ret1 && ret2) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear FMC interrupt flag state
\param[in] flag: FMC interrupt flags, refer to can_interrupt_flag_enum
only one parameter can be selected which is shown as below:
\arg FMC_INT_FLAG_PGERR: FMC operation error interrupt flag bit
\arg FMC_FLAG_PGAERR: FMC program alignment error flag bit
\arg FMC_INT_FLAG_WPERR: FMC erase/program protection error interrupt flag bit
\arg FMC_INT_FLAG_END: FMC end of operation interrupt flag bit
\param[out] none
\retval none
*/
void fmc_interrupt_flag_clear(fmc_interrupt_flag_enum flag)
{
FMC_REG_VALS(flag) |= BIT(FMC_BIT_POS0(flag));
}
/*!
\brief get the FMC state
\param[in] none
\param[out] none
\retval state of FMC, refer to fmc_state_enum
*/
static fmc_state_enum fmc_state_get(void)
{
fmc_state_enum fmc_state = FMC_READY;
if ((uint32_t)0x00U != (FMC_STAT & FMC_STAT_BUSY)) {
fmc_state = FMC_BUSY;
} else {
if ((uint32_t)0x00U != (FMC_STAT & FMC_STAT_WPERR)) {
fmc_state = FMC_WPERR;
} else {
if ((uint32_t)0x00U != (FMC_STAT & (FMC_STAT_PGERR))) {
fmc_state = FMC_PGERR;
} else {
if ((uint32_t)0x00U != (FMC_STAT & (FMC_STAT_PGAERR))) {
fmc_state = FMC_PGAERR;
}
}
}
}
/* return the FMC state */
return fmc_state;
}
/*!
\brief check whether FMC is ready or not
\param[in] timeout: count of loop
\param[out] none
\retval state of FMC, refer to fmc_state_enum
*/
static fmc_state_enum fmc_ready_wait(uint32_t timeout)
{
fmc_state_enum fmc_state = FMC_BUSY;
/* wait for FMC ready */
do {
/* get FMC state */
fmc_state = fmc_state_get();
timeout--;
} while ((FMC_BUSY == fmc_state) && (0x00U != timeout));
if (FMC_BUSY == fmc_state) {
fmc_state = FMC_TOERR;
}
/* return the FMC state */
return fmc_state;
}

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targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Source/gd32e10x_fwdgt.c Normal file
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/*!
\file gd32e10x_fwdgt.c
\brief FWDGT driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_fwdgt.h"
/* write value to FWDGT_CTL_CMD bit field */
#define CTL_CMD(regval) (BITS(0,15) & ((uint32_t)(regval) << 0))
/* write value to FWDGT_RLD_RLD bit field */
#define RLD_RLD(regval) (BITS(0,11) & ((uint32_t)(regval) << 0))
/*!
\brief enable write access to FWDGT_PSC and FWDGT_RLD
\param[in] none
\param[out] none
\retval none
*/
void fwdgt_write_enable(void)
{
FWDGT_CTL = FWDGT_WRITEACCESS_ENABLE;
}
/*!
\brief disable write access to FWDGT_PSC and FWDGT_RLD
\param[in] none
\param[out] none
\retval none
*/
void fwdgt_write_disable(void)
{
FWDGT_CTL = FWDGT_WRITEACCESS_DISABLE;
}
/*!
\brief start the free watchdog timer counter
\param[in] none
\param[out] none
\retval none
*/
void fwdgt_enable(void)
{
FWDGT_CTL = FWDGT_KEY_ENABLE;
}
/*!
\brief reload the counter of FWDGT
\param[in] none
\param[out] none
\retval none
*/
void fwdgt_counter_reload(void)
{
FWDGT_CTL = FWDGT_KEY_RELOAD;
}
/*!
\brief configure counter reload value, and prescaler divider value
\param[in] reload_value: specify reload value(0x0000 - 0x0FFF)
\param[in] prescaler_div: FWDGT prescaler value
only one parameter can be selected which is shown as below:
\arg FWDGT_PSC_DIV4: FWDGT prescaler set to 4
\arg FWDGT_PSC_DIV8: FWDGT prescaler set to 8
\arg FWDGT_PSC_DIV16: FWDGT prescaler set to 16
\arg FWDGT_PSC_DIV32: FWDGT prescaler set to 32
\arg FWDGT_PSC_DIV64: FWDGT prescaler set to 64
\arg FWDGT_PSC_DIV128: FWDGT prescaler set to 128
\arg FWDGT_PSC_DIV256: FWDGT prescaler set to 256
\param[out] none
\retval ErrStatus: ERROR or SUCCESS
*/
ErrStatus fwdgt_config(uint16_t reload_value, uint8_t prescaler_div)
{
uint32_t timeout = FWDGT_PSC_TIMEOUT;
uint32_t flag_status = RESET;
/* enable write access to FWDGT_PSC,and FWDGT_RLD */
FWDGT_CTL = FWDGT_WRITEACCESS_ENABLE;
/* wait until the PUD flag to be reset */
do {
flag_status = FWDGT_STAT & FWDGT_STAT_PUD;
} while ((--timeout > 0U) && ((uint32_t)RESET != flag_status));
if ((uint32_t)RESET != flag_status) {
return ERROR;
}
/* configure FWDGT */
FWDGT_PSC = (uint32_t)prescaler_div;
timeout = FWDGT_RLD_TIMEOUT;
/* wait until the RUD flag to be reset */
do {
flag_status = FWDGT_STAT & FWDGT_STAT_RUD;
} while ((--timeout > 0U) && ((uint32_t)RESET != flag_status));
if ((uint32_t)RESET != flag_status) {
return ERROR;
}
FWDGT_RLD = RLD_RLD(reload_value);
/* reload the counter */
FWDGT_CTL = FWDGT_KEY_RELOAD;
return SUCCESS;
}
/*!
\brief get flag state of FWDGT
\param[in] flag: flag to get
only one parameter can be selected which is shown as below:
\arg FWDGT_FLAG_PUD: a write operation to FWDGT_PSC register is on going
\arg FWDGT_FLAG_RUD: a write operation to FWDGT_RLD register is on going
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus fwdgt_flag_get(uint16_t flag)
{
if (RESET != (FWDGT_STAT & flag)) {
return SET;
}
return RESET;
}

547
targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Source/gd32e10x_gpio.c Normal file
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/*!
\file gd32e10x_gpio.c
\brief GPIO driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_gpio.h"
#define AFIO_EXTI_SOURCE_MASK ((uint8_t)0x03U) /*!< AFIO exti source selection mask*/
#define AFIO_EXTI_SOURCE_FIELDS ((uint8_t)0x04U) /*!< select AFIO exti source registers */
#define LSB_16BIT_MASK ((uint16_t)0xFFFFU) /*!< LSB 16-bit mask */
#define PCF_POSITION_MASK ((uint32_t)0x000F0000U) /*!< AFIO_PCF register position mask */
#define PCF_SWJCFG_MASK ((uint32_t)0xF8FFFFFFU) /*!< AFIO_PCF register SWJCFG mask */
#define PCF_LOCATION1_MASK ((uint32_t)0x00200000U) /*!< AFIO_PCF register location1 mask */
#define PCF_LOCATION2_MASK ((uint32_t)0x00100000U) /*!< AFIO_PCF register location2 mask */
#define AFIO_PCF1_FIELDS ((uint32_t)0x80000000U) /*!< select AFIO_PCF1 register */
#define GPIO_OUTPUT_PORT_OFFSET ((uint32_t)4U) /*!< GPIO event output port offset*/
/*!
\brief reset GPIO port
\param[in] gpio_periph: GPIOx(x = A,B,C,D,E)
\param[out] none
\retval none
*/
void gpio_deinit(uint32_t gpio_periph)
{
switch (gpio_periph) {
case GPIOA:
/* reset GPIOA */
rcu_periph_reset_enable(RCU_GPIOARST);
rcu_periph_reset_disable(RCU_GPIOARST);
break;
case GPIOB:
/* reset GPIOB */
rcu_periph_reset_enable(RCU_GPIOBRST);
rcu_periph_reset_disable(RCU_GPIOBRST);
break;
case GPIOC:
/* reset GPIOC */
rcu_periph_reset_enable(RCU_GPIOCRST);
rcu_periph_reset_disable(RCU_GPIOCRST);
break;
case GPIOD:
/* reset GPIOD */
rcu_periph_reset_enable(RCU_GPIODRST);
rcu_periph_reset_disable(RCU_GPIODRST);
break;
case GPIOE:
/* reset GPIOE */
rcu_periph_reset_enable(RCU_GPIOERST);
rcu_periph_reset_disable(RCU_GPIOERST);
break;
default:
break;
}
}
/*!
\brief reset alternate function I/O(AFIO)
\param[in] none
\param[out] none
\retval none
*/
void gpio_afio_deinit(void)
{
rcu_periph_reset_enable(RCU_AFRST);
rcu_periph_reset_disable(RCU_AFRST);
}
/*!
\brief GPIO parameter initialization
\param[in] gpio_periph: GPIOx(x = A,B,C,D,E)
\param[in] mode: gpio pin mode
only one parameter can be selected which is shown as below:
\arg GPIO_MODE_AIN: analog input mode
\arg GPIO_MODE_IN_FLOATING: floating input mode
\arg GPIO_MODE_IPD: pull-down input mode
\arg GPIO_MODE_IPU: pull-up input mode
\arg GPIO_MODE_OUT_OD: GPIO output with open-drain
\arg GPIO_MODE_OUT_PP: GPIO output with push-pull
\arg GPIO_MODE_AF_OD: AFIO output with open-drain
\arg GPIO_MODE_AF_PP: AFIO output with push-pull
\param[in] speed: gpio output max speed value
only one parameter can be selected which is shown as below:
\arg GPIO_OSPEED_10MHZ: output max speed 10MHz
\arg GPIO_OSPEED_2MHZ: output max speed 2MHz
\arg GPIO_OSPEED_50MHZ: output max speed 50MHz
\arg GPIO_OSPEED_MAX: output max speed more than 50MHz
\param[in] pin: GPIO pin
one or more parameters can be selected which are shown as below:
\arg GPIO_PIN_x(x=0..15), GPIO_PIN_ALL
\param[out] none
\retval none
*/
#ifdef GD_MBED_USED
void gpio_para_init(uint32_t gpio_periph, uint32_t mode, uint32_t speed, uint32_t pin)
#else
void gpio_init(uint32_t gpio_periph, uint32_t mode, uint32_t speed, uint32_t pin)
#endif
{
uint16_t i;
uint32_t temp_mode = 0U;
uint32_t reg = 0U;
/* GPIO mode configuration */
temp_mode = (uint32_t)(mode & ((uint32_t)0x0FU));
/* GPIO speed configuration */
if (((uint32_t)0x00U) != ((uint32_t)mode & ((uint32_t)0x10U))) {
/* output mode max speed */
if (GPIO_OSPEED_MAX == (uint32_t)speed) {
temp_mode |= (uint32_t)0x03U;
/* set the corresponding SPD bit */
GPIOx_SPD(gpio_periph) |= (uint32_t)pin ;
} else {
/* output mode max speed:10MHz,2MHz,50MHz */
temp_mode |= (uint32_t)speed;
}
}
/* configure the eight low port pins with GPIO_CTL0 */
for (i = 0U; i < 8U; i++) {
if ((1U << i) & pin) {
reg = GPIO_CTL0(gpio_periph);
/* clear the specified pin mode bits */
reg &= ~GPIO_MODE_MASK(i);
/* set the specified pin mode bits */
reg |= GPIO_MODE_SET(i, temp_mode);
/* set IPD or IPU */
if (GPIO_MODE_IPD == mode) {
/* reset the corresponding OCTL bit */
GPIO_BC(gpio_periph) = (uint32_t)((1U << i) & pin);
} else {
/* set the corresponding OCTL bit */
if (GPIO_MODE_IPU == mode) {
GPIO_BOP(gpio_periph) = (uint32_t)((1U << i) & pin);
}
}
/* set GPIO_CTL0 register */
GPIO_CTL0(gpio_periph) = reg;
}
}
/* configure the eight high port pins with GPIO_CTL1 */
for (i = 8U; i < 16U; i++) {
if ((1U << i) & pin) {
reg = GPIO_CTL1(gpio_periph);
/* clear the specified pin mode bits */
reg &= ~GPIO_MODE_MASK(i - 8U);
/* set the specified pin mode bits */
reg |= GPIO_MODE_SET(i - 8U, temp_mode);
/* set IPD or IPU */
if (GPIO_MODE_IPD == mode) {
/* reset the corresponding OCTL bit */
GPIO_BC(gpio_periph) = (uint32_t)((1U << i) & pin);
} else {
/* set the corresponding OCTL bit */
if (GPIO_MODE_IPU == mode) {
GPIO_BOP(gpio_periph) = (uint32_t)((1U << i) & pin);
}
}
/* set GPIO_CTL1 register */
GPIO_CTL1(gpio_periph) = reg;
}
}
}
/*!
\brief set GPIO pin
\param[in] gpio_periph: GPIOx(x = A,B,C,D,E)
\param[in] pin: GPIO pin
one or more parameters can be selected which are shown as below:
\arg GPIO_PIN_x(x=0..15), GPIO_PIN_ALL
\param[out] none
\retval none
*/
void gpio_bit_set(uint32_t gpio_periph, uint32_t pin)
{
GPIO_BOP(gpio_periph) = (uint32_t)pin;
}
/*!
\brief reset GPIO pin
\param[in] gpio_periph: GPIOx(x = A,B,C,D,E)
\param[in] pin: GPIO pin
one or more parameters can be selected which are shown as below:
\arg GPIO_PIN_x(x=0..15), GPIO_PIN_ALL
\param[out] none
\retval none
*/
void gpio_bit_reset(uint32_t gpio_periph, uint32_t pin)
{
GPIO_BC(gpio_periph) = (uint32_t)pin;
}
/*!
\brief write data to the specified GPIO pin
\param[in] gpio_periph: GPIOx(x = A,B,C,D,E)
\param[in] pin: GPIO pin
one or more parameters can be selected which are shown as below:
\arg GPIO_PIN_x(x=0..15), GPIO_PIN_ALL
\param[in] bit_value: SET or RESET
\arg RESET: clear the port pin
\arg SET: set the port pin
\param[out] none
\retval none
*/
void gpio_bit_write(uint32_t gpio_periph, uint32_t pin, bit_status bit_value)
{
if (RESET != bit_value) {
GPIO_BOP(gpio_periph) = (uint32_t)pin;
} else {
GPIO_BC(gpio_periph) = (uint32_t)pin;
}
}
/*!
\brief write data to the specified GPIO port
\param[in] gpio_periph: GPIOx(x = A,B,C,D,E)
\param[in] data: specify the value to be written to the port output data register
\param[out] none
\retval none
*/
void gpio_port_write(uint32_t gpio_periph, uint16_t data)
{
GPIO_OCTL(gpio_periph) = (uint32_t)data;
}
/*!
\brief get GPIO pin input status
\param[in] gpio_periph: GPIOx(x = A,B,C,D,E)
\param[in] pin: GPIO pin
only one parameter can be selected which are shown as below:
\arg GPIO_PIN_x(x=0..15), GPIO_PIN_ALL
\param[out] none
\retval input status of gpio pin: SET or RESET
*/
FlagStatus gpio_input_bit_get(uint32_t gpio_periph, uint32_t pin)
{
if ((uint32_t)RESET != (GPIO_ISTAT(gpio_periph) & (pin))) {
return SET;
} else {
return RESET;
}
}
/*!
\brief get GPIO port input status
\param[in] gpio_periph: GPIOx(x = A,B,C,D,E)
\param[out] none
\retval input status of gpio all pins
*/
uint16_t gpio_input_port_get(uint32_t gpio_periph)
{
return (uint16_t)(GPIO_ISTAT(gpio_periph));
}
/*!
\brief get GPIO pin output status
\param[in] gpio_periph: GPIOx(x = A,B,C,D,E)
\param[in] pin: GPIO pin
only one parameter can be selected which are shown as below:
\arg GPIO_PIN_x(x=0..15), GPIO_PIN_ALL
\param[out] none
\retval output status of gpio pin: SET or RESET
*/
FlagStatus gpio_output_bit_get(uint32_t gpio_periph, uint32_t pin)
{
if ((uint32_t)RESET != (GPIO_OCTL(gpio_periph) & (pin))) {
return SET;
} else {
return RESET;
}
}
/*!
\brief get GPIO port output status
\param[in] gpio_periph: GPIOx(x = A,B,C,D,E)
\param[out] none
\retval output status of gpio all pins
*/
uint16_t gpio_output_port_get(uint32_t gpio_periph)
{
return ((uint16_t)GPIO_OCTL(gpio_periph));
}
/*!
\brief configure GPIO pin remap
\param[in] gpio_remap: select the pin to remap
only one parameter can be selected which are shown as below:
\arg GPIO_SPI0_REMAP: SPI0 remapping
\arg GPIO_I2C0_REMAP: I2C0 remapping
\arg GPIO_USART0_REMAP: USART0 remapping
\arg GPIO_USART1_REMAP: USART1 remapping
\arg GPIO_USART2_PARTIAL_REMAP: USART2 partial remapping
\arg GPIO_USART2_FULL_REMAP: USART2 full remapping
\arg GPIO_TIMER0_PARTIAL_REMAP: TIMER0 partial remapping
\arg GPIO_TIMER0_FULL_REMAP: TIMER0 full remapping
\arg GPIO_TIMER1_PARTIAL_REMAP0: TIMER1 partial remapping
\arg GPIO_TIMER1_PARTIAL_REMAP1: TIMER1 partial remapping
\arg GPIO_TIMER1_FULL_REMAP: TIMER1 full remapping
\arg GPIO_TIMER2_PARTIAL_REMAP: TIMER2 partial remapping
\arg GPIO_TIMER2_FULL_REMAP: TIMER2 full remapping
\arg GPIO_TIMER3_REMAP: TIMER3 remapping
\arg GPIO_CAN0_PARTIAL_REMAP: CAN0 partial remapping
\arg GPIO_CAN0_FULL_REMAP: CAN0 full remapping
\arg GPIO_PD01_REMAP: PD01 remapping
\arg GPIO_TIMER4CH3_IREMAP: TIMER4 channel3 internal remapping
\arg GPIO_ADC0_ETRGINS_REMAP: ADC0 external trigger inserted conversion remapping
\arg GPIO_ADC0_ETRGREG_REMAP: ADC0 external trigger regular conversion remapping
\arg GPIO_ADC1_ETRGINS_REMAP: ADC1 external trigger inserted conversion remapping
\arg GPIO_ADC1_ETRGREG_REMAP: ADC1 external trigger regular conversion remapping
\arg GPIO_CAN1_REMAP: CAN1 remapping
\arg GPIO_SWJ_NONJTRST_REMAP: full SWJ(JTAG-DP + SW-DP),but without NJTRST
\arg GPIO_SWJ_SWDPENABLE_REMAP: JTAG-DP disabled and SW-DP enabled
\arg GPIO_SWJ_DISABLE_REMAP: JTAG-DP disabled and SW-DP disabled
\arg GPIO_SPI2_REMAP: SPI2 remapping
\arg GPIO_TIMER1ITR0_REMAP: TIMER1 internal trigger 0 remapping
\arg GPIO_TIMER8_REMAP: TIMER8 remapping
\arg GPIO_EXMC_NADV_REMAP: EXMC_NADV connect/disconnect
\arg GPIO_CTC_REMAP0: CTC remapping(PD15)
\param[in] newvalue: ENABLE or DISABLE
\param[out] none
\retval none
*/
void gpio_pin_remap_config(uint32_t remap, ControlStatus newvalue)
{
uint32_t remap1 = 0U, remap2 = 0U, temp_reg = 0U, temp_mask = 0U;
if (((uint32_t)0x80000000U) == (remap & 0x80000000U)) {
/* get AFIO_PCF1 regiter value */
temp_reg = AFIO_PCF1;
} else {
/* get AFIO_PCF0 regiter value */
temp_reg = AFIO_PCF0;
}
temp_mask = (remap & PCF_POSITION_MASK) >> 0x10U;
remap1 = remap & LSB_16BIT_MASK;
/* judge pin remap type */
if ((PCF_LOCATION1_MASK | PCF_LOCATION2_MASK) == (remap & (PCF_LOCATION1_MASK | PCF_LOCATION2_MASK))) {
temp_reg &= PCF_SWJCFG_MASK;
AFIO_PCF0 &= PCF_SWJCFG_MASK;
} else if (PCF_LOCATION2_MASK == (remap & PCF_LOCATION2_MASK)) {
remap2 = ((uint32_t)0x03U) << temp_mask;
temp_reg &= ~remap2;
temp_reg |= ~PCF_SWJCFG_MASK;
} else {
temp_reg &= ~(remap1 << ((remap >> 0x15U) * 0x10U));
temp_reg |= ~PCF_SWJCFG_MASK;
}
/* set pin remap value */
if (DISABLE != newvalue) {
temp_reg |= (remap1 << ((remap >> 0x15U) * 0x10U));
}
if (AFIO_PCF1_FIELDS == (remap & AFIO_PCF1_FIELDS)) {
/* set AFIO_PCF1 regiter value */
AFIO_PCF1 = temp_reg;
} else {
/* set AFIO_PCF0 regiter value */
AFIO_PCF0 = temp_reg;
}
}
/*!
\brief select GPIO pin exti sources
\param[in] output_port: gpio event output port
only one parameter can be selected which are shown as below:
\arg GPIO_PORT_SOURCE_GPIOA: output port source A
\arg GPIO_PORT_SOURCE_GPIOB: output port source B
\arg GPIO_PORT_SOURCE_GPIOC: output port source C
\arg GPIO_PORT_SOURCE_GPIOD: output port source D
\arg GPIO_PORT_SOURCE_GPIOE: output port source E
\param[in] output_pin:
only one parameter can be selected which are shown as below:
\arg GPIO_PIN_SOURCE_x(x=0..15)
\param[out] none
\retval none
*/
void gpio_exti_source_select(uint8_t output_port, uint8_t output_pin)
{
uint32_t source = 0U;
source = ((uint32_t)0x0FU) << (AFIO_EXTI_SOURCE_FIELDS * (output_pin & AFIO_EXTI_SOURCE_MASK));
/* select EXTI sources */
if (GPIO_PIN_SOURCE_4 > output_pin) {
/* select EXTI0/EXTI1/EXTI2/EXTI3 */
AFIO_EXTISS0 &= ~source;
AFIO_EXTISS0 |= (((uint32_t)output_port) << (AFIO_EXTI_SOURCE_FIELDS * (output_pin & AFIO_EXTI_SOURCE_MASK)));
} else if (GPIO_PIN_SOURCE_8 > output_pin) {
/* select EXTI4/EXTI5/EXTI6/EXTI7 */
AFIO_EXTISS1 &= ~source;
AFIO_EXTISS1 |= (((uint32_t)output_port) << (AFIO_EXTI_SOURCE_FIELDS * (output_pin & AFIO_EXTI_SOURCE_MASK)));
} else if (GPIO_PIN_SOURCE_12 > output_pin) {
/* select EXTI8/EXTI9/EXTI10/EXTI11 */
AFIO_EXTISS2 &= ~source;
AFIO_EXTISS2 |= (((uint32_t)output_port) << (AFIO_EXTI_SOURCE_FIELDS * (output_pin & AFIO_EXTI_SOURCE_MASK)));
} else {
/* select EXTI12/EXTI13/EXTI14/EXTI15 */
AFIO_EXTISS3 &= ~source;
AFIO_EXTISS3 |= (((uint32_t)output_port) << (AFIO_EXTI_SOURCE_FIELDS * (output_pin & AFIO_EXTI_SOURCE_MASK)));
}
}
/*!
\brief configure GPIO pin event output
\param[in] output_port: gpio event output port
only one parameter can be selected which are shown as below:
\arg GPIO_EVENT_PORT_GPIOA: event output port A
\arg GPIO_EVENT_PORT_GPIOB: event output port B
\arg GPIO_EVENT_PORT_GPIOC: event output port C
\arg GPIO_EVENT_PORT_GPIOD: event output port D
\arg GPIO_EVENT_PORT_GPIOE: event output port E
\param[in] output_pin:
only one parameter can be selected which are shown as below:
\arg GPIO_EVENT_PIN_x(x=0..15)
\param[out] none
\retval none
*/
void gpio_event_output_config(uint8_t output_port, uint8_t output_pin)
{
uint32_t reg = 0U;
reg = AFIO_EC;
/* clear AFIO_EC_PORT and AFIO_EC_PIN bits */
reg &= (uint32_t)(~(AFIO_EC_PORT | AFIO_EC_PIN));
reg |= (uint32_t)((uint32_t)output_port << GPIO_OUTPUT_PORT_OFFSET);
reg |= (uint32_t)output_pin;
AFIO_EC = reg;
}
/*!
\brief enable GPIO pin event output
\param[in] none
\param[out] none
\retval none
*/
void gpio_event_output_enable(void)
{
AFIO_EC |= AFIO_EC_EOE;
}
/*!
\brief disable GPIO pin event output
\param[in] none
\param[out] none
\retval none
*/
void gpio_event_output_disable(void)
{
AFIO_EC &= (uint32_t)(~AFIO_EC_EOE);
}
/*!
\brief lock GPIO pin
\param[in] gpio_periph: GPIOx(x = A,B,C,D,E)
\param[in] pin: GPIO pin
one or more parameters can be selected which are shown as below:
\arg GPIO_PIN_x(x=0..15), GPIO_PIN_ALL
\param[out] none
\retval none
*/
void gpio_pin_lock(uint32_t gpio_periph, uint32_t pin)
{
uint32_t lock = 0x00010000U;
lock |= pin;
/* lock key writing sequence: write 1 -> write 0 -> write 1 -> read 0 -> read 1 */
GPIO_LOCK(gpio_periph) = (uint32_t)lock;
GPIO_LOCK(gpio_periph) = (uint32_t)pin;
GPIO_LOCK(gpio_periph) = (uint32_t)lock;
lock = GPIO_LOCK(gpio_periph);
lock = GPIO_LOCK(gpio_periph);
}
/*!
\brief configure the I/O compensation cell
\param[in] compensation: specifies the I/O compensation cell mode
only one parameter can be selected which are shown as below:
\arg GPIO_COMPENSATION_ENABLE: I/O compensation cell is enabled
\arg GPIO_COMPENSATION_DISABLE: I/O compensation cell is disabled
\param[out] none
\retval none
*/
void gpio_compensation_config(uint32_t compensation)
{
uint32_t reg;
reg = AFIO_CPSCTL;
/* reset the AFIO_CPSCTL_CPS_EN bit and set according to gpio_compensation */
reg &= ~AFIO_CPSCTL_CPS_EN;
AFIO_CPSCTL = (reg | compensation);
}
/*!
\brief check the I/O compensation cell is ready or not
\param[in] none
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus gpio_compensation_flag_get(void)
{
if (((uint32_t)RESET) != (AFIO_CPSCTL & AFIO_CPSCTL_CPS_RDY)) {
return SET;
} else {
return RESET;
}
}

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targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Source/gd32e10x_i2c.c Normal file
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/*!
\file gd32e10x_i2c.c
\brief I2C driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_i2c.h"
/* I2C register bit mask */
#define I2CCLK_MAX ((uint32_t)0x0000003FU) /*!< i2cclk maximum value */
#define I2CCLK_MIN ((uint32_t)0x00000002U) /*!< i2cclk minimum value */
#define I2C_FLAG_MASK ((uint32_t)0x0000FFFFU) /*!< i2c flag mask */
#define I2C_ADDRESS_MASK ((uint32_t)0x000003FFU) /*!< i2c address mask */
/* I2C register bit offset */
#define STAT1_PECV_OFFSET ((uint32_t)8U) /* bit offset of PECV in I2C_STAT1 */
/*!
\brief reset I2C
\param[in] i2c_periph: I2Cx(x=0,1)
\param[out] none
\retval none
*/
void i2c_deinit(uint32_t i2c_periph)
{
switch (i2c_periph) {
case I2C0:
/* reset I2C0 */
rcu_periph_reset_enable(RCU_I2C0RST);
rcu_periph_reset_disable(RCU_I2C0RST);
break;
case I2C1:
/* reset I2C1 */
rcu_periph_reset_enable(RCU_I2C1RST);
rcu_periph_reset_disable(RCU_I2C1RST);
break;
default:
break;
}
}
/*!
\brief configure I2C clock
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] clkspeed: I2C clock speed, supports standard mode (up to 100 kHz), fast mode (up to 400 kHz)
and fast mode plus (up to 1MHz)
\param[in] dutycyc: duty cycle in fast mode or fast mode plus
only one parameter can be selected which is shown as below:
\arg I2C_DTCY_2: T_low/T_high=2
\arg I2C_DTCY_16_9: T_low/T_high=16/9
\param[out] none
\retval none
*/
void i2c_clock_config(uint32_t i2c_periph, uint32_t clkspeed, uint32_t dutycyc)
{
uint32_t pclk1, clkc, freq, risetime;
uint32_t temp;
pclk1 = rcu_clock_freq_get(CK_APB1);
/* I2C peripheral clock frequency */
freq = (uint32_t)(pclk1 / 1000000U);
if (freq >= I2CCLK_MAX) {
freq = I2CCLK_MAX;
}
temp = I2C_CTL1(i2c_periph);
temp &= ~I2C_CTL1_I2CCLK;
temp |= freq;
I2C_CTL1(i2c_periph) = temp;
if (100000U >= clkspeed) {
/* the maximum SCL rise time is 1000ns in standard mode */
risetime = (uint32_t)((pclk1 / 1000000U) + 1U);
if (risetime >= I2CCLK_MAX) {
I2C_RT(i2c_periph) = I2CCLK_MAX;
} else if (risetime <= I2CCLK_MIN) {
I2C_RT(i2c_periph) = I2CCLK_MIN;
} else {
I2C_RT(i2c_periph) = risetime;
}
clkc = (uint32_t)(pclk1 / (clkspeed * 2U));
if (clkc < 0x04U) {
/* the CLKC in standard mode minmum value is 4 */
clkc = 0x04U;
}
I2C_CKCFG(i2c_periph) |= (I2C_CKCFG_CLKC & clkc);
} else if (400000U >= clkspeed) {
/* the maximum SCL rise time is 300ns in fast mode */
I2C_RT(i2c_periph) = (uint32_t)(((freq * (uint32_t)300U) / (uint32_t)1000U) + (uint32_t)1U);
if (I2C_DTCY_2 == dutycyc) {
/* I2C duty cycle is 2 */
clkc = (uint32_t)(pclk1 / (clkspeed * 3U));
I2C_CKCFG(i2c_periph) &= ~I2C_CKCFG_DTCY;
} else {
/* I2C duty cycle is 16/9 */
clkc = (uint32_t)(pclk1 / (clkspeed * 25U));
I2C_CKCFG(i2c_periph) |= I2C_CKCFG_DTCY;
}
if (0U == (clkc & I2C_CKCFG_CLKC)) {
/* the CLKC in fast mode minmum value is 1 */
clkc |= 0x0001U;
}
I2C_CKCFG(i2c_periph) |= I2C_CKCFG_FAST;
I2C_CKCFG(i2c_periph) |= clkc;
} else {
/* fast mode plus, the maximum SCL rise time is 120ns */
I2C_RT(i2c_periph) = (uint32_t)(((freq * (uint32_t)120U) / (uint32_t)1000U) + (uint32_t)1U);
if (I2C_DTCY_2 == dutycyc) {
/* I2C duty cycle is 2 */
clkc = (uint32_t)(pclk1 / (clkspeed * 3U));
I2C_CKCFG(i2c_periph) &= ~I2C_CKCFG_DTCY;
} else {
/* I2C duty cycle is 16/9 */
clkc = (uint32_t)(pclk1 / (clkspeed * 25U));
I2C_CKCFG(i2c_periph) |= I2C_CKCFG_DTCY;
}
/* enable fast mode */
I2C_CKCFG(i2c_periph) |= I2C_CKCFG_FAST;
I2C_CKCFG(i2c_periph) |= clkc;
/* enable I2C fast mode plus */
I2C_FMPCFG(i2c_periph) = I2C_FMPCFG_FMPEN;
}
}
/*!
\brief configure I2C address
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] mode:
only one parameter can be selected which is shown as below:
\arg I2C_I2CMODE_ENABLE: I2C mode
\arg I2C_SMBUSMODE_ENABLE: SMBus mode
\param[in] addformat: 7bits or 10bits
only one parameter can be selected which is shown as below:
\arg I2C_ADDFORMAT_7BITS: 7bits
\arg I2C_ADDFORMAT_10BITS: 10bits
\param[in] addr: I2C address
\param[out] none
\retval none
*/
void i2c_mode_addr_config(uint32_t i2c_periph, uint32_t mode, uint32_t addformat, uint32_t addr)
{
/* SMBus/I2C mode selected */
uint32_t ctl = 0U;
ctl = I2C_CTL0(i2c_periph);
ctl &= ~(I2C_CTL0_SMBEN);
ctl |= mode;
I2C_CTL0(i2c_periph) = ctl;
/* configure address */
addr = addr & I2C_ADDRESS_MASK;
I2C_SADDR0(i2c_periph) = (addformat | addr);
}
/*!
\brief SMBus type selection
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] type:
only one parameter can be selected which is shown as below:
\arg I2C_SMBUS_DEVICE: device
\arg I2C_SMBUS_HOST: host
\param[out] none
\retval none
*/
void i2c_smbus_type_config(uint32_t i2c_periph, uint32_t type)
{
if (I2C_SMBUS_HOST == type) {
I2C_CTL0(i2c_periph) |= I2C_CTL0_SMBSEL;
} else {
I2C_CTL0(i2c_periph) &= ~(I2C_CTL0_SMBSEL);
}
}
/*!
\brief whether or not to send an ACK
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] ack:
only one parameter can be selected which is shown as below:
\arg I2C_ACK_ENABLE: ACK will be sent
\arg I2C_ACK_DISABLE: ACK will not be sent
\param[out] none
\retval none
*/
void i2c_ack_config(uint32_t i2c_periph, uint32_t ack)
{
if (I2C_ACK_ENABLE == ack) {
I2C_CTL0(i2c_periph) |= I2C_CTL0_ACKEN;
} else {
I2C_CTL0(i2c_periph) &= ~(I2C_CTL0_ACKEN);
}
}
/*!
\brief configure I2C POAP position
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] pos:
only one parameter can be selected which is shown as below:
\arg I2C_ACKPOS_CURRENT: whether to send ACK or not for the current
\arg I2C_ACKPOS_NEXT: whether to send ACK or not for the next byte
\param[out] none
\retval none
*/
void i2c_ackpos_config(uint32_t i2c_periph, uint32_t pos)
{
/* configure I2C POAP position */
if (I2C_ACKPOS_NEXT == pos) {
I2C_CTL0(i2c_periph) |= I2C_CTL0_POAP;
} else {
I2C_CTL0(i2c_periph) &= ~(I2C_CTL0_POAP);
}
}
/*!
\brief master sends slave address
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] addr: slave address
\param[in] trandirection: transmitter or receiver
only one parameter can be selected which is shown as below:
\arg I2C_TRANSMITTER: transmitter
\arg I2C_RECEIVER: receiver
\param[out] none
\retval none
*/
void i2c_master_addressing(uint32_t i2c_periph, uint32_t addr, uint32_t trandirection)
{
/* master is a transmitter or a receiver */
if (I2C_TRANSMITTER == trandirection) {
addr = addr & I2C_TRANSMITTER;
} else {
addr = addr | I2C_RECEIVER;
}
/* send slave address */
I2C_DATA(i2c_periph) = addr;
}
/*!
\brief dual-address mode switch
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] dualaddr:
only one parameter can be selected which is shown as below:
\arg I2C_DUADEN_DISABLE: disable dual-address mode
\arg I2C_DUADEN_ENABLE: enable dual-address mode
\param[out] none
\retval none
*/
void i2c_dualaddr_enable(uint32_t i2c_periph, uint32_t dualaddr)
{
if (I2C_DUADEN_ENABLE == dualaddr) {
I2C_SADDR1(i2c_periph) |= I2C_SADDR1_DUADEN;
} else {
I2C_SADDR1(i2c_periph) &= ~(I2C_SADDR1_DUADEN);
}
}
/*!
\brief enable I2C
\param[in] i2c_periph: I2Cx(x=0,1)
\param[out] none
\retval none
*/
void i2c_enable(uint32_t i2c_periph)
{
I2C_CTL0(i2c_periph) |= I2C_CTL0_I2CEN;
}
/*!
\brief disable I2C
\param[in] i2c_periph: I2Cx(x=0,1)
\param[out] none
\retval none
*/
void i2c_disable(uint32_t i2c_periph)
{
I2C_CTL0(i2c_periph) &= ~(I2C_CTL0_I2CEN);
}
/*!
\brief generate a START condition on I2C bus
\param[in] i2c_periph: I2Cx(x=0,1)
\param[out] none
\retval none
*/
void i2c_start_on_bus(uint32_t i2c_periph)
{
I2C_CTL0(i2c_periph) |= I2C_CTL0_START;
}
/*!
\brief generate a STOP condition on I2C bus
\param[in] i2c_periph: I2Cx(x=0,1)
\param[out] none
\retval none
*/
void i2c_stop_on_bus(uint32_t i2c_periph)
{
I2C_CTL0(i2c_periph) |= I2C_CTL0_STOP;
}
/*!
\brief I2C transmit data function
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] data: data of transmission
\param[out] none
\retval none
*/
void i2c_data_transmit(uint32_t i2c_periph, uint8_t data)
{
I2C_DATA(i2c_periph) = DATA_TRANS(data);
}
/*!
\brief I2C receive data function
\param[in] i2c_periph: I2Cx(x=0,1)
\param[out] none
\retval data of received
*/
uint8_t i2c_data_receive(uint32_t i2c_periph)
{
return (uint8_t)DATA_RECV(I2C_DATA(i2c_periph));
}
/*!
\brief enable I2C DMA mode
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] dmastate:
only one parameter can be selected which is shown as below:
\arg I2C_DMA_ON: DMA mode enable
\arg I2C_DMA_OFF: DMA mode disable
\param[out] none
\retval none
*/
void i2c_dma_enable(uint32_t i2c_periph, uint32_t dmastate)
{
/* configure I2C DMA function */
uint32_t ctl = 0U;
ctl = I2C_CTL1(i2c_periph);
ctl &= ~(I2C_CTL1_DMAON);
ctl |= dmastate;
I2C_CTL1(i2c_periph) = ctl;
}
/*!
\brief configure whether next DMA EOT is DMA last transfer or not
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] dmalast:
only one parameter can be selected which is shown as below:
\arg I2C_DMALST_ON: next DMA EOT is the last transfer
\arg I2C_DMALST_OFF: next DMA EOT is not the last transfer
\param[out] none
\retval none
*/
void i2c_dma_last_transfer_config(uint32_t i2c_periph, uint32_t dmalast)
{
/* configure DMA last transfer */
uint32_t ctl = 0U;
ctl = I2C_CTL1(i2c_periph);
ctl &= ~(I2C_CTL1_DMALST);
ctl |= dmalast;
I2C_CTL1(i2c_periph) = ctl;
}
/*!
\brief whether to stretch SCL low when data is not ready in slave mode
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] stretchpara:
only one parameter can be selected which is shown as below:
\arg I2C_SCLSTRETCH_ENABLE: SCL stretching is enabled
\arg I2C_SCLSTRETCH_DISABLE: SCL stretching is disabled
\param[out] none
\retval none
*/
void i2c_stretch_scl_low_config(uint32_t i2c_periph, uint32_t stretchpara)
{
/* configure I2C SCL strerching enable or disable */
uint32_t ctl = 0U;
ctl = I2C_CTL0(i2c_periph);
ctl &= ~(I2C_CTL0_SS);
ctl |= stretchpara;
I2C_CTL0(i2c_periph) = ctl;
}
/*!
\brief whether or not to response to a general call
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] gcallpara:
only one parameter can be selected which is shown as below:
\arg I2C_GCEN_ENABLE: slave will response to a general call
\arg I2C_GCEN_DISABLE: slave will not response to a general call
\param[out] none
\retval none
*/
void i2c_slave_response_to_gcall_config(uint32_t i2c_periph, uint32_t gcallpara)
{
/* configure slave response to a general call enable or disable */
uint32_t ctl = 0U;
ctl = I2C_CTL0(i2c_periph);
ctl &= ~(I2C_CTL0_GCEN);
ctl |= gcallpara;
I2C_CTL0(i2c_periph) = ctl;
}
/*!
\brief software reset I2C
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] sreset:
only one parameter can be selected which is shown as below:
\arg I2C_SRESET_SET: I2C is under reset
\arg I2C_SRESET_RESET: I2C is not under reset
\param[out] none
\retval none
*/
void i2c_software_reset_config(uint32_t i2c_periph, uint32_t sreset)
{
/* modify CTL0 and configure software reset I2C state */
uint32_t ctl = 0U;
ctl = I2C_CTL0(i2c_periph);
ctl &= ~(I2C_CTL0_SRESET);
ctl |= sreset;
I2C_CTL0(i2c_periph) = ctl;
}
/*!
\brief I2C PEC calculation on or off
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] pecpara:
only one parameter can be selected which is shown as below:
\arg I2C_PEC_ENABLE: PEC calculation on
\arg I2C_PEC_DISABLE: PEC calculation off
\param[out] none
\retval none
*/
void i2c_pec_enable(uint32_t i2c_periph, uint32_t pecstate)
{
/* on/off PEC calculation */
uint32_t ctl = 0U;
ctl = I2C_CTL0(i2c_periph);
ctl &= ~(I2C_CTL0_PECEN);
ctl |= pecstate;
I2C_CTL0(i2c_periph) = ctl;
}
/*!
\brief I2C whether to transfer PEC value
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] pecpara:
only one parameter can be selected which is shown as below:
\arg I2C_PECTRANS_ENABLE: transfer PEC
\arg I2C_PECTRANS_DISABLE: not transfer PEC
\param[out] none
\retval none
*/
void i2c_pec_transfer_enable(uint32_t i2c_periph, uint32_t pecpara)
{
/* whether to transfer PEC */
uint32_t ctl = 0U;
ctl = I2C_CTL0(i2c_periph);
ctl &= ~(I2C_CTL0_PECTRANS);
ctl |= pecpara;
I2C_CTL0(i2c_periph) = ctl;
}
/*!
\brief get packet error checking value
\param[in] i2c_periph: I2Cx(x=0,1)
\param[out] none
\retval PEC value
*/
uint8_t i2c_pec_value_get(uint32_t i2c_periph)
{
return (uint8_t)((I2C_STAT1(i2c_periph) & I2C_STAT1_PECV) >> STAT1_PECV_OFFSET);
}
/*!
\brief I2C issue alert through SMBA pin
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] smbuspara:
only one parameter can be selected which is shown as below:
\arg I2C_SALTSEND_ENABLE: issue alert through SMBA pin
\arg I2C_SALTSEND_DISABLE: not issue alert through SMBA pin
\param[out] none
\retval none
*/
void i2c_smbus_issue_alert(uint32_t i2c_periph, uint32_t smbuspara)
{
/* issue alert through SMBA pin configure*/
uint32_t ctl = 0U;
ctl = I2C_CTL0(i2c_periph);
ctl &= ~(I2C_CTL0_SALT);
ctl |= smbuspara;
I2C_CTL0(i2c_periph) = ctl;
}
/*!
\brief enable or disable I2C ARP protocol in SMBus switch
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] smbuspara:
only one parameter can be selected which is shown as below:
\arg I2C_ARP_ENABLE: enable ARP
\arg I2C_ARP_DISABLE: disable ARP
\param[out] none
\retval none
*/
void i2c_smbus_arp_enable(uint32_t i2c_periph, uint32_t arpstate)
{
/* enable or disable I2C ARP protocol*/
uint32_t ctl = 0U;
ctl = I2C_CTL0(i2c_periph);
ctl &= ~(I2C_CTL0_ARPEN);
ctl |= arpstate;
I2C_CTL0(i2c_periph) = ctl;
}
/*!
\brief enable SAM_V interface
\param[in] i2c_periph: I2Cx(x=0,1)
\param[out] none
\retval none
*/
void i2c_sam_enable(uint32_t i2c_periph)
{
I2C_SAMCS(i2c_periph) |= I2C_SAMCS_SAMEN;
}
/*!
\brief disable SAM_V interface
\param[in] i2c_periph: I2Cx(x=0,1)
\param[out] none
\retval none
*/
void i2c_sam_disable(uint32_t i2c_periph)
{
I2C_SAMCS(i2c_periph) &= ~(I2C_SAMCS_SAMEN);
}
/*!
\brief enable SAM_V interface timeout detect
\param[in] i2c_periph: I2Cx(x=0,1)
\param[out] none
\retval none
*/
void i2c_sam_timeout_enable(uint32_t i2c_periph)
{
I2C_SAMCS(i2c_periph) |= I2C_SAMCS_STOEN;
}
/*!
\brief disable SAM_V interface timeout detect
\param[in] i2c_periph: I2Cx(x=0,1)
\param[out] none
\retval none
*/
void i2c_sam_timeout_disable(uint32_t i2c_periph)
{
I2C_SAMCS(i2c_periph) &= ~(I2C_SAMCS_STOEN);
}
/*!
\brief check I2C flag is set or not
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] flag: I2C flags, refer to i2c_flag_enum
only one parameter can be selected which is shown as below:
\arg I2C_FLAG_SBSEND: start condition send out
\arg I2C_FLAG_ADDSEND: address is sent in master mode or received and matches in slave mode
\arg I2C_FLAG_BTC: byte transmission finishes
\arg I2C_FLAG_ADD10SEND: header of 10-bit address is sent in master mode
\arg I2C_FLAG_STPDET: stop condition detected in slave mode
\arg I2C_FLAG_RBNE: I2C_DATA is not Empty during receiving
\arg I2C_FLAG_TBE: I2C_DATA is empty during transmitting
\arg I2C_FLAG_BERR: a bus error occurs indication a unexpected start or stop condition on I2C bus
\arg I2C_FLAG_LOSTARB: arbitration lost in master mode
\arg I2C_FLAG_AERR: acknowledge error
\arg I2C_FLAG_OUERR: overrun or underrun situation occurs in slave mode
\arg I2C_FLAG_PECERR: PEC error when receiving data
\arg I2C_FLAG_SMBTO: timeout signal in SMBus mode
\arg I2C_FLAG_SMBALT: SMBus alert status
\arg I2C_FLAG_MASTER: a flag indicating whether I2C block is in master or slave mode
\arg I2C_FLAG_I2CBSY: busy flag
\arg I2C_FLAG_TRS: whether the I2C is a transmitter or a receiver
\arg I2C_FLAG_RXGC: general call address (00h) received
\arg I2C_FLAG_DEFSMB: default address of SMBus device
\arg I2C_FLAG_HSTSMB: SMBus host header detected in slave mode
\arg I2C_FLAG_DUMOD: dual flag in slave mode indicating which address is matched in dual-address mode
\arg I2C_FLAG_TFF: txframe fall flag
\arg I2C_FLAG_TFR: txframe rise flag
\arg I2C_FLAG_RFF: rxframe fall flag
\arg I2C_FLAG_RFR: rxframe rise flag
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus i2c_flag_get(uint32_t i2c_periph, i2c_flag_enum flag)
{
if (RESET != (I2C_REG_VAL(i2c_periph, flag) & BIT(I2C_BIT_POS(flag)))) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear I2C flag
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] flag: I2C flags, refer to i2c_flag_enum
only one parameter can be selected which is shown as below:
\arg I2C_FLAG_SMBALT: SMBus Alert status
\arg I2C_FLAG_SMBTO: timeout signal in SMBus mode
\arg I2C_FLAG_PECERR: PEC error when receiving data
\arg I2C_FLAG_OUERR: over-run or under-run situation occurs in slave mode
\arg I2C_FLAG_AERR: acknowledge error
\arg I2C_FLAG_LOSTARB: arbitration lost in master mode
\arg I2C_FLAG_BERR: a bus error
\arg I2C_FLAG_ADDSEND: cleared by reading I2C_STAT0 and reading I2C_STAT1
\arg I2C_FLAG_TFF: txframe fall flag
\arg I2C_FLAG_TFR: txframe rise flag
\arg I2C_FLAG_RFF: rxframe fall flag
\arg I2C_FLAG_RFR: rxframe rise flag
\param[out] none
\retval none
*/
void i2c_flag_clear(uint32_t i2c_periph, i2c_flag_enum flag)
{
if (I2C_FLAG_ADDSEND == flag) {
/* read I2C_STAT0 and then read I2C_STAT1 to clear ADDSEND */
I2C_STAT0(i2c_periph);
I2C_STAT1(i2c_periph);
} else {
I2C_REG_VAL(i2c_periph, flag) &= ~BIT(I2C_BIT_POS(flag));
}
}
/*!
\brief enable I2C interrupt
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] interrupt: I2C interrupts, refer to i2c_interrupt_enum
only one parameter can be selected which is shown as below:
\arg I2C_INT_ERR: error interrupt enable
\arg I2C_INT_EV: event interrupt enable
\arg I2C_INT_BUF: buffer interrupt enable
\arg I2C_INT_TFF: txframe fall interrupt enable
\arg I2C_INT_TFR: txframe rise interrupt enable
\arg I2C_INT_RFF: rxframe fall interrupt enable
\arg I2C_INT_RFR: rxframe rise interrupt enable
\param[out] none
\retval none
*/
void i2c_interrupt_enable(uint32_t i2c_periph, i2c_interrupt_enum interrupt)
{
I2C_REG_VAL(i2c_periph, interrupt) |= BIT(I2C_BIT_POS(interrupt));
}
/*!
\brief disable I2C interrupt
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] interrupt: I2C interrupts, refer to i2c_flag_enum
only one parameter can be selected which is shown as below:
\arg I2C_INT_ERR: error interrupt enable
\arg I2C_INT_EV: event interrupt enable
\arg I2C_INT_BUF: buffer interrupt enable
\arg I2C_INT_TFF: txframe fall interrupt enable
\arg I2C_INT_TFR: txframe rise interrupt enable
\arg I2C_INT_RFF: rxframe fall interrupt enable
\arg I2C_INT_RFR: rxframe rise interrupt enable
\param[out] none
\retval none
*/
void i2c_interrupt_disable(uint32_t i2c_periph, i2c_interrupt_enum interrupt)
{
I2C_REG_VAL(i2c_periph, interrupt) &= ~BIT(I2C_BIT_POS(interrupt));
}
/*!
\brief check I2C interrupt flag
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] int_flag: I2C interrupt flags, refer to i2c_interrupt_flag_enum
only one parameter can be selected which is shown as below:
\arg I2C_INT_FLAG_SBSEND: start condition sent out in master mode interrupt flag
\arg I2C_INT_FLAG_ADDSEND: address is sent in master mode or received and matches in slave mode interrupt flag
\arg I2C_INT_FLAG_BTC: byte transmission finishes
\arg I2C_INT_FLAG_ADD10SEND: header of 10-bit address is sent in master mode interrupt flag
\arg I2C_INT_FLAG_STPDET: etop condition detected in slave mode interrupt flag
\arg I2C_INT_FLAG_RBNE: I2C_DATA is not Empty during receiving interrupt flag
\arg I2C_INT_FLAG_TBE: I2C_DATA is empty during transmitting interrupt flag
\arg I2C_INT_FLAG_BERR: a bus error occurs indication a unexpected start or stop condition on I2C bus interrupt flag
\arg I2C_INT_FLAG_LOSTARB: arbitration lost in master mode interrupt flag
\arg I2C_INT_FLAG_AERR: acknowledge error interrupt flag
\arg I2C_INT_FLAG_OUERR: over-run or under-run situation occurs in slave mode interrupt flag
\arg I2C_INT_FLAG_PECERR: PEC error when receiving data interrupt flag
\arg I2C_INT_FLAG_SMBTO: timeout signal in SMBus mode interrupt flag
\arg I2C_INT_FLAG_SMBALT: SMBus Alert status interrupt flag
\arg I2C_INT_FLAG_TFF: txframe fall interrupt flag
\arg I2C_INT_FLAG_TFR: txframe rise interrupt flag
\arg I2C_INT_FLAG_RFF: rxframe fall interrupt flag
\arg I2C_INT_FLAG_RFR: rxframe rise interrupt flag
\param[out] none
\retval none
*/
FlagStatus i2c_interrupt_flag_get(uint32_t i2c_periph, i2c_interrupt_flag_enum int_flag)
{
uint32_t intenable = 0U, flagstatus = 0U, bufie;
/* check BUFIE */
bufie = I2C_CTL1(i2c_periph)&I2C_CTL1_BUFIE;
/* get the interrupt enable bit status */
intenable = (I2C_REG_VAL(i2c_periph, int_flag) & BIT(I2C_BIT_POS(int_flag)));
/* get the corresponding flag bit status */
flagstatus = (I2C_REG_VAL2(i2c_periph, int_flag) & BIT(I2C_BIT_POS2(int_flag)));
if ((I2C_INT_FLAG_RBNE == int_flag) || (I2C_INT_FLAG_TBE == int_flag)) {
if (intenable && bufie) {
intenable = 1U;
} else {
intenable = 0U;
}
}
if ((0U != flagstatus) && (0U != intenable)) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear I2C interrupt flag
\param[in] i2c_periph: I2Cx(x=0,1)
\param[in] intflag: I2C interrupt flags, refer to i2c_interrupt_flag_enum
only one parameter can be selected which is shown as below:
\arg I2C_INT_FLAG_ADDSEND: address is sent in master mode or received and matches in slave mode interrupt flag
\arg I2C_INT_FLAG_BERR: a bus error occurs indication a unexpected start or stop condition on I2C bus interrupt flag
\arg I2C_INT_FLAG_LOSTARB: arbitration lost in master mode interrupt flag
\arg I2C_INT_FLAG_AERR: acknowledge error interrupt flag
\arg I2C_INT_FLAG_OUERR: over-run or under-run situation occurs in slave mode interrupt flag
\arg I2C_INT_FLAG_PECERR: PEC error when receiving data interrupt flag
\arg I2C_INT_FLAG_SMBTO: timeout signal in SMBus mode interrupt flag
\arg I2C_INT_FLAG_SMBALT: SMBus Alert status interrupt flag
\arg I2C_INT_FLAG_TFF: txframe fall interrupt flag
\arg I2C_INT_FLAG_TFR: txframe rise interrupt flag
\arg I2C_INT_FLAG_RFF: rxframe fall interrupt flag
\arg I2C_INT_FLAG_RFR: rxframe rise interrupt flag
\param[out] none
\retval none
*/
void i2c_interrupt_flag_clear(uint32_t i2c_periph, i2c_interrupt_flag_enum int_flag)
{
if (I2C_INT_FLAG_ADDSEND == int_flag) {
/* read I2C_STAT0 and then read I2C_STAT1 to clear ADDSEND */
I2C_STAT0(i2c_periph);
I2C_STAT1(i2c_periph);
} else {
I2C_REG_VAL2(i2c_periph, int_flag) &= ~BIT(I2C_BIT_POS2(int_flag));
}
}

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targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Source/gd32e10x_misc.c Normal file
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/*!
\file gd32e10x_misc.c
\brief MISC driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_misc.h"
/*!
\brief set the priority group
\param[in] nvic_prigroup: the NVIC priority group
\arg NVIC_PRIGROUP_PRE0_SUB4:0 bits for pre-emption priority 4 bits for subpriority
\arg NVIC_PRIGROUP_PRE1_SUB3:1 bits for pre-emption priority 3 bits for subpriority
\arg NVIC_PRIGROUP_PRE2_SUB2:2 bits for pre-emption priority 2 bits for subpriority
\arg NVIC_PRIGROUP_PRE3_SUB1:3 bits for pre-emption priority 1 bits for subpriority
\arg NVIC_PRIGROUP_PRE4_SUB0:4 bits for pre-emption priority 0 bits for subpriority
\param[out] none
\retval none
*/
void nvic_priority_group_set(uint32_t nvic_prigroup)
{
/* set the priority group value */
SCB->AIRCR = NVIC_AIRCR_VECTKEY_MASK | nvic_prigroup;
}
/*!
\brief enable NVIC request
\param[in] nvic_irq: the NVIC interrupt request, detailed in IRQn_Type
\param[in] nvic_irq_pre_priority: the pre-emption priority needed to set
\param[in] nvic_irq_sub_priority: the subpriority needed to set
\param[out] none
\retval none
*/
void nvic_irq_enable(uint8_t nvic_irq,
uint8_t nvic_irq_pre_priority,
uint8_t nvic_irq_sub_priority)
{
uint32_t temp_priority = 0x00U, temp_pre = 0x00U, temp_sub = 0x00U;
/* use the priority group value to get the temp_pre and the temp_sub */
switch ((SCB->AIRCR) & (uint32_t)0x700U) {
case NVIC_PRIGROUP_PRE0_SUB4:
temp_pre = 0U;
temp_sub = 0x4U;
break;
case NVIC_PRIGROUP_PRE1_SUB3:
temp_pre = 1U;
temp_sub = 0x3U;
break;
case NVIC_PRIGROUP_PRE2_SUB2:
temp_pre = 2U;
temp_sub = 0x2U;
break;
case NVIC_PRIGROUP_PRE3_SUB1:
temp_pre = 3U;
temp_sub = 0x1U;
break;
case NVIC_PRIGROUP_PRE4_SUB0:
temp_pre = 4U;
temp_sub = 0x0U;
break;
default:
nvic_priority_group_set(NVIC_PRIGROUP_PRE2_SUB2);
temp_pre = 2U;
temp_sub = 0x2U;
break;
}
/* get the temp_priority to fill the NVIC->IP register */
temp_priority = (uint32_t)nvic_irq_pre_priority << (0x4U - temp_pre);
temp_priority |= nvic_irq_sub_priority & (0x0FU >> (0x4U - temp_sub));
temp_priority = temp_priority << 0x04U;
NVIC->IP[nvic_irq] = (uint8_t)temp_priority;
/* enable the selected IRQ */
NVIC->ISER[nvic_irq >> 0x05U] = (uint32_t)0x01U << (nvic_irq & (uint8_t)0x1FU);
}
/*!
\brief disable NVIC request
\param[in] nvic_irq: the NVIC interrupt request, detailed in IRQn_Type
\param[out] none
\retval none
*/
void nvic_irq_disable(uint8_t nvic_irq)
{
/* disable the selected IRQ.*/
NVIC->ICER[nvic_irq >> 0x05U] = (uint32_t)0x01U << (nvic_irq & (uint8_t)0x1FU);
}
/*!
\brief set the NVIC vector table base address
\param[in] nvic_vict_tab: the RAM or FLASH base address
\arg NVIC_VECTTAB_RAM: RAM base address
\are NVIC_VECTTAB_FLASH: Flash base address
\param[in] offset: Vector Table offset
\param[out] none
\retval none
*/
void nvic_vector_table_set(uint32_t nvic_vict_tab, uint32_t offset)
{
SCB->VTOR = nvic_vict_tab | (offset & NVIC_VECTTAB_OFFSET_MASK);
}
/*!
\brief set the state of the low power mode
\param[in] lowpower_mode: the low power mode state
\arg SCB_LPM_SLEEP_EXIT_ISR: if chose this para, the system always enter low power
mode by exiting from ISR
\arg SCB_LPM_DEEPSLEEP: if chose this para, the system will enter the DEEPSLEEP mode
\arg SCB_LPM_WAKE_BY_ALL_INT: if chose this para, the lowpower mode can be woke up
by all the enable and disable interrupts
\param[out] none
\retval none
*/
void system_lowpower_set(uint8_t lowpower_mode)
{
SCB->SCR |= (uint32_t)lowpower_mode;
}
/*!
\brief reset the state of the low power mode
\param[in] lowpower_mode: the low power mode state
\arg SCB_LPM_SLEEP_EXIT_ISR: if chose this para, the system will exit low power
mode by exiting from ISR
\arg SCB_LPM_DEEPSLEEP: if chose this para, the system will enter the SLEEP mode
\arg SCB_LPM_WAKE_BY_ALL_INT: if chose this para, the lowpower mode only can be
woke up by the enable interrupts
\param[out] none
\retval none
*/
void system_lowpower_reset(uint8_t lowpower_mode)
{
SCB->SCR &= (~(uint32_t)lowpower_mode);
}
/*!
\brief set the systick clock source
\param[in] systick_clksource: the systick clock source needed to choose
\arg SYSTICK_CLKSOURCE_HCLK: systick clock source is from HCLK
\arg SYSTICK_CLKSOURCE_HCLK_DIV8: systick clock source is from HCLK/8
\param[out] none
\retval none
*/
void systick_clksource_set(uint32_t systick_clksource)
{
if (SYSTICK_CLKSOURCE_HCLK == systick_clksource) {
/* set the systick clock source from HCLK */
SysTick->CTRL |= SYSTICK_CLKSOURCE_HCLK;
} else {
/* set the systick clock source from HCLK/8 */
SysTick->CTRL &= SYSTICK_CLKSOURCE_HCLK_DIV8;
}
}

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/*!
\file gd32e10x_pmu.c
\brief PMU driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_pmu.h"
/*!
\brief reset PMU register
\param[in] none
\param[out] none
\retval none
*/
void pmu_deinit(void)
{
/* reset PMU */
rcu_periph_reset_enable(RCU_PMURST);
rcu_periph_reset_disable(RCU_PMURST);
}
/*!
\brief select low voltage detector threshold
\param[in] lvdt_n:
only one parameter can be selected which is shown as below:
\arg PMU_LVDT_0: voltage threshold is 2.1V
\arg PMU_LVDT_1: voltage threshold is 2.3V
\arg PMU_LVDT_2: voltage threshold is 2.4V
\arg PMU_LVDT_3: voltage threshold is 2.6V
\arg PMU_LVDT_4: voltage threshold is 2.7V
\arg PMU_LVDT_5: voltage threshold is 2.9V
\arg PMU_LVDT_6: voltage threshold is 3.0V
\arg PMU_LVDT_7: voltage threshold is 3.1V
\param[out] none
\retval none
*/
void pmu_lvd_select(uint32_t lvdt_n)
{
/* disable LVD */
PMU_CTL &= ~PMU_CTL_LVDEN;
/* clear LVDT bits */
PMU_CTL &= ~PMU_CTL_LVDT;
/* set LVDT bits according to lvdt_n */
PMU_CTL |= lvdt_n;
/* enable LVD */
PMU_CTL |= PMU_CTL_LVDEN;
}
/*!
\brief select LDO output voltage
this bit set by software when the main PLL closed, before closing PLL, change the system clock to IRC16M or HXTAL
\param[in] ldo_output:
only one parameter can be selected which is shown as below:
\arg PMU_LDOVS_LOW: LDO output voltage select low mode
\arg PMU_LDOVS_NORMAL: LDO output voltage select normal mode
\param[out] none
\retval none
*/
void pmu_ldo_output_select(uint32_t ldo_output)
{
PMU_CTL &= ~PMU_CTL_LDOVS;
PMU_CTL |= ldo_output;
}
/*!
\brief disable PMU lvd
\param[in] none
\param[out] none
\retval none
*/
void pmu_lvd_disable(void)
{
/* disable LVD */
PMU_CTL &= ~PMU_CTL_LVDEN;
}
/*!
\brief PMU work at sleep mode
\param[in] sleepmodecmd:
only one parameter can be selected which is shown as below:
\arg WFI_CMD: use WFI command
\arg WFE_CMD: use WFE command
\param[out] none
\retval none
*/
void pmu_to_sleepmode(uint8_t sleepmodecmd)
{
/* clear sleepdeep bit of Cortex-M4 system control register */
SCB->SCR &= ~((uint32_t)SCB_SCR_SLEEPDEEP_Msk);
/* select WFI or WFE command to enter sleep mode */
if (WFI_CMD == sleepmodecmd) {
__WFI();
} else {
__WFE();
}
}
/*!
\brief PMU work at deepsleep mode
\param[in] ldo:
only one parameter can be selected which is shown as below:
\arg PMU_LDO_NORMAL: LDO work at normal power mode when pmu enter deepsleep mode
\arg PMU_LDO_LOWPOWER: LDO work at low power mode when pmu enter deepsleep mode
\param[in] deepsleepmodecmd:
only one parameter can be selected which is shown as below:
\arg WFI_CMD: use WFI command
\arg WFE_CMD: use WFE command
\param[out] none
\retval none
*/
void pmu_to_deepsleepmode(uint32_t ldo, uint8_t deepsleepmodecmd)
{
/* clear stbmod and ldolp bits */
PMU_CTL &= ~((uint32_t)(PMU_CTL_STBMOD | PMU_CTL_LDOLP));
/* set ldolp bit according to pmu_ldo */
PMU_CTL |= ldo;
/* set sleepdeep bit of Cortex-M4 system control register */
SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
/* select WFI or WFE command to enter deepsleep mode */
if (WFI_CMD == deepsleepmodecmd) {
__WFI();
} else {
__SEV();
__WFE();
__WFE();
}
/* reset sleepdeep bit of Cortex-M4 system control register */
SCB->SCR &= ~((uint32_t)SCB_SCR_SLEEPDEEP_Msk);
}
/*!
\brief pmu work at standby mode
\param[in] standbymodecmd:
only one parameter can be selected which is shown as below:
\arg WFI_CMD: use WFI command
\arg WFE_CMD: use WFE command
\param[out] none
\retval none
*/
void pmu_to_standbymode(uint8_t standbymodecmd)
{
/* set sleepdeep bit of Cortex-M4 system control register */
SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
/* set stbmod bit */
PMU_CTL |= PMU_CTL_STBMOD;
/* reset wakeup flag */
PMU_CTL |= PMU_CTL_WURST;
/* select WFI or WFE command to enter standby mode */
if (WFI_CMD == standbymodecmd) {
__WFI();
} else {
__WFE();
}
}
/*!
\brief enable wakeup pin
\param[in] none
\param[out] none
\retval none
*/
void pmu_wakeup_pin_enable(void)
{
PMU_CS |= PMU_CS_WUPEN;
}
/*!
\brief disable wakeup pin
\param[in] none
\param[out] none
\retval none
*/
void pmu_wakeup_pin_disable(void)
{
PMU_CS &= ~PMU_CS_WUPEN;
}
/*!
\brief enable write access to the registers in backup domain
\param[in] none
\param[out] none
\retval none
*/
void pmu_backup_write_enable(void)
{
PMU_CTL |= PMU_CTL_BKPWEN;
}
/*!
\brief disable write access to the registers in backup domain
\param[in] none
\param[out] none
\retval none
*/
void pmu_backup_write_disable(void)
{
PMU_CTL &= ~PMU_CTL_BKPWEN;
}
/*!
\brief clear flag bit
\param[in] flag_reset:
only one parameter can be selected which is shown as below:
\arg PMU_FLAG_RESET_WAKEUP: reset wakeup flag
\arg PMU_FLAG_RESET_STANDBY: reset standby flag
\param[out] none
\retval none
*/
void pmu_flag_clear(uint32_t flag_reset)
{
switch (flag_reset) {
case PMU_FLAG_RESET_WAKEUP:
/* reset wakeup flag */
PMU_CTL |= PMU_CTL_WURST;
break;
case PMU_FLAG_RESET_STANDBY:
/* reset standby flag */
PMU_CTL |= PMU_CTL_STBRST;
break;
default:
break;
}
}
/*!
\brief get flag state
\param[in] flag:
only one parameter can be selected which is shown as below:
\arg PMU_FLAG_WAKEUP: wakeup flag
\arg PMU_FLAG_STANDBY: standby flag
\arg PMU_FLAG_LVD: lvd flag
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus pmu_flag_get(uint32_t flag)
{
if (RESET != (PMU_CS & flag)) {
return SET;
} else {
return RESET;
}
}

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/*!
\file gd32e10x_rtc.c
\brief RTC driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_rtc.h"
/* RTC register high / low bits mask */
#define RTC_HIGH_BITS_MASK ((uint32_t)0x000F0000U) /* RTC high bits mask */
#define RTC_LOW_BITS_MASK ((uint32_t)0x0000FFFFU) /* RTC low bits mask */
/* RTC register high bits offset */
#define RTC_HIGH_BITS_OFFSET ((uint32_t)16U)
/*!
\brief enter RTC configuration mode
\param[in] none
\param[out] none
\retval none
*/
void rtc_configuration_mode_enter(void)
{
RTC_CTL |= RTC_CTL_CMF;
}
/*!
\brief exit RTC configuration mode
\param[in] none
\param[out] none
\retval none
*/
void rtc_configuration_mode_exit(void)
{
RTC_CTL &= ~RTC_CTL_CMF;
}
/*!
\brief set RTC counter value
\param[in] cnt: RTC counter value
\param[out] none
\retval none
*/
void rtc_counter_set(uint32_t cnt)
{
rtc_configuration_mode_enter();
/* set the RTC counter high bits */
RTC_CNTH = (cnt >> RTC_HIGH_BITS_OFFSET);
/* set the RTC counter low bits */
RTC_CNTL = (cnt & RTC_LOW_BITS_MASK);
rtc_configuration_mode_exit();
}
/*!
\brief set RTC prescaler value
\param[in] psc: RTC prescaler value
\param[out] none
\retval none
*/
void rtc_prescaler_set(uint32_t psc)
{
rtc_configuration_mode_enter();
/* set the RTC prescaler high bits */
RTC_PSCH = ((psc & RTC_HIGH_BITS_MASK) >> RTC_HIGH_BITS_OFFSET);
/* set the RTC prescaler low bits */
RTC_PSCL = (psc & RTC_LOW_BITS_MASK);
rtc_configuration_mode_exit();
}
/*!
\brief wait RTC last write operation finished flag set
\param[in] none
\param[out] none
\retval none
*/
void rtc_lwoff_wait(void)
{
/* loop until LWOFF flag is set */
while (RESET == (RTC_CTL & RTC_CTL_LWOFF)) {
}
}
/*!
\brief wait RTC registers synchronized flag set
\param[in] none
\param[out] none
\retval none
*/
void rtc_register_sync_wait(void)
{
/* clear RSYNF flag */
RTC_CTL &= ~RTC_CTL_RSYNF;
/* loop until RSYNF flag is set */
while (RESET == (RTC_CTL & RTC_CTL_RSYNF)) {
}
}
/*!
\brief set RTC alarm value
\param[in] alarm: RTC alarm value
\param[out] none
\retval none
*/
void rtc_alarm_config(uint32_t alarm)
{
rtc_configuration_mode_enter();
/* set the alarm high bits */
RTC_ALRMH = (alarm >> RTC_HIGH_BITS_OFFSET);
/* set the alarm low bits */
RTC_ALRML = (alarm & RTC_LOW_BITS_MASK);
rtc_configuration_mode_exit();
}
/*!
\brief get RTC counter value
\param[in] none
\param[out] none
\retval RTC counter value
*/
uint32_t rtc_counter_get(void)
{
uint32_t temp = 0x0U;
temp = RTC_CNTL;
temp |= (RTC_CNTH << RTC_HIGH_BITS_OFFSET);
return temp;
}
/*!
\brief get RTC divider value
\param[in] none
\param[out] none
\retval RTC divider value
*/
uint32_t rtc_divider_get(void)
{
uint32_t temp = 0x00U;
temp = ((RTC_DIVH & RTC_DIVH_DIV) << RTC_HIGH_BITS_OFFSET);
temp |= RTC_DIVL;
return temp;
}
/*!
\brief get RTC flag status
\param[in] flag: specify which flag status to get
only one parameter can be selected which is shown as below:
\arg RTC_FLAG_SECOND: second interrupt flag
\arg RTC_FLAG_ALARM: alarm interrupt flag
\arg RTC_FLAG_OVERFLOW: overflow interrupt flag
\arg RTC_FLAG_RSYN: registers synchronized flag
\arg RTC_FLAG_LWOF: last write operation finished flag
\param[out] none
\retval SET or RESET
*/
FlagStatus rtc_flag_get(uint32_t flag)
{
if (RESET != (RTC_CTL & flag)) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear RTC flag status
\param[in] flag: specify which flag status to clear
one or more parameters can be selected which are shown as below:
\arg RTC_FLAG_SECOND: second interrupt flag
\arg RTC_FLAG_ALARM: alarm interrupt flag
\arg RTC_FLAG_OVERFLOW: overflow interrupt flag
\arg RTC_FLAG_RSYN: registers synchronized flag
\param[out] none
\retval none
*/
void rtc_flag_clear(uint32_t flag)
{
/* clear RTC flag */
RTC_CTL &= ~flag;
}
/*!
\brief get RTC interrupt flag status
\param[in] flag: specify which flag status to get
only one parameter can be selected which is shown as below:
\arg RTC_INT_FLAG_SECOND: second interrupt flag
\arg RTC_INT_FLAG_ALARM: alarm interrupt flag
\arg RTC_INT_FLAG_OVERFLOW: overflow interrupt flag
\param[out] none
\retval SET or RESET
*/
FlagStatus rtc_interrupt_flag_get(uint32_t flag)
{
if (RESET != (RTC_CTL & flag)) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear RTC interrupt flag status
\param[in] flag: specify which flag status to clear
one or more parameters can be selected which are shown as below:
\arg RTC_INT_FLAG_SECOND: second interrupt flag
\arg RTC_INT_FLAG_ALARM: alarm interrupt flag
\arg RTC_INT_FLAG_OVERFLOW: overflow interrupt flag
\param[out] none
\retval none
*/
void rtc_interrupt_flag_clear(uint32_t flag)
{
/* clear RTC interrupt flag */
RTC_CTL &= ~flag;
}
/*!
\brief enable RTC interrupt
\param[in] interrupt: specify which interrupt to enbale
one or more parameters can be selected which are shown as below:
\arg RTC_INT_SECOND: second interrupt
\arg RTC_INT_ALARM: alarm interrupt
\arg RTC_INT_OVERFLOW: overflow interrupt
\param[out] none
\retval none
*/
void rtc_interrupt_enable(uint32_t interrupt)
{
RTC_INTEN |= interrupt;
}
/*!
\brief disable RTC interrupt
\param[in] interrupt: specify which interrupt to disbale
one or more parameters can be selected which are shown as below:
\arg RTC_INT_SECOND: second interrupt
\arg RTC_INT_ALARM: alarm interrupt
\arg RTC_INT_OVERFLOW: overflow interrupt
\param[out] none
\retval none
*/
void rtc_interrupt_disable(uint32_t interrupt)
{
RTC_INTEN &= ~interrupt;
}

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/*!
\file gd32e10x_spi.c
\brief SPI driver
\version 2017-12-26, V1.0.1, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_spi.h"
/* SPI/I2S parameter initialization mask */
#define SPI_INIT_MASK ((uint32_t)0x00003040U) /*!< SPI parameter initialization mask */
#define I2S_INIT_MASK ((uint32_t)0x0000F047U) /*!< I2S parameter initialization mask */
/* I2S clock source selection, multiplication and division mask */
#define I2S1_CLOCK_SEL ((uint32_t)0x00020000U) /* I2S1 clock source selection */
#define I2S2_CLOCK_SEL ((uint32_t)0x00040000U) /* I2S2 clock source selection */
#define I2S_CLOCK_MUL_MASK ((uint32_t)0x0000F000U) /* I2S clock multiplication mask */
#define I2S_CLOCK_DIV_MASK ((uint32_t)0x000000F0U) /* I2S clock division mask */
/* default value and offset */
#define SPI_I2SPSC_DEFAULT_VALUE ((uint32_t)0x00000002U) /* default value of SPI_I2SPSC register */
#define RCU_CFG1_PREDV1_OFFSET 4U /* PREDV1 offset in RCU_CFG1 */
#define RCU_CFG1_PLL2MF_OFFSET 12U /* PLL2MF offset in RCU_CFG1 */
/*!
\brief reset SPI and I2S
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval none
*/
void spi_i2s_deinit(uint32_t spi_periph)
{
switch (spi_periph) {
case SPI0:
/* reset SPI0 */
rcu_periph_reset_enable(RCU_SPI0RST);
rcu_periph_reset_disable(RCU_SPI0RST);
break;
case SPI1:
/* reset SPI1 and I2S1 */
rcu_periph_reset_enable(RCU_SPI1RST);
rcu_periph_reset_disable(RCU_SPI1RST);
break;
case SPI2:
/* reset SPI2 and I2S2 */
rcu_periph_reset_enable(RCU_SPI2RST);
rcu_periph_reset_disable(RCU_SPI2RST);
break;
default:
break;
}
}
/*!
\brief initialize the parameters of SPI struct with the default values
\param[in] spi_struct: SPI parameter stuct
\param[out] none
\retval none
*/
void spi_struct_para_init(spi_parameter_struct *spi_struct)
{
/* set the SPI struct with the default values */
spi_struct->device_mode = SPI_SLAVE;
spi_struct->trans_mode = SPI_TRANSMODE_FULLDUPLEX;
spi_struct->frame_size = SPI_FRAMESIZE_8BIT;
spi_struct->nss = SPI_NSS_HARD;
spi_struct->clock_polarity_phase = SPI_CK_PL_LOW_PH_1EDGE;
spi_struct->prescale = SPI_PSC_2;
}
/*!
\brief initialize SPI parameter
\param[in] spi_periph: SPIx(x=0,1,2)
\param[in] spi_struct: SPI parameter initialization stuct members of the structure
and the member values are shown as below:
device_mode: SPI_MASTER, SPI_SLAVE
trans_mode: SPI_TRANSMODE_FULLDUPLEX, SPI_TRANSMODE_RECEIVEONLY,
SPI_TRANSMODE_BDRECEIVE, SPI_TRANSMODE_BDTRANSMIT
frame_size: SPI_FRAMESIZE_16BIT, SPI_FRAMESIZE_8BIT
nss: SPI_NSS_SOFT, SPI_NSS_HARD
endian: SPI_ENDIAN_MSB, SPI_ENDIAN_LSB
clock_polarity_phase: SPI_CK_PL_LOW_PH_1EDGE, SPI_CK_PL_HIGH_PH_1EDGE
SPI_CK_PL_LOW_PH_2EDGE, SPI_CK_PL_HIGH_PH_2EDGE
prescale: SPI_PSC_n (n=2,4,8,16,32,64,128,256)
\param[out] none
\retval none
*/
#ifdef GD_MBED_USED
void spi_para_init(uint32_t spi_periph, spi_parameter_struct *spi_struct)
#else
void spi_init(uint32_t spi_periph, spi_parameter_struct *spi_struct)
#endif
{
uint32_t reg = 0U;
reg = SPI_CTL0(spi_periph);
reg &= SPI_INIT_MASK;
/* select SPI as master or slave */
reg |= spi_struct->device_mode;
/* select SPI transfer mode */
reg |= spi_struct->trans_mode;
/* select SPI frame size */
reg |= spi_struct->frame_size;
/* select SPI NSS use hardware or software */
reg |= spi_struct->nss;
/* select SPI LSB or MSB */
reg |= spi_struct->endian;
/* select SPI polarity and phase */
reg |= spi_struct->clock_polarity_phase;
/* select SPI prescale to adjust transmit speed */
reg |= spi_struct->prescale;
/* write to SPI_CTL0 register */
SPI_CTL0(spi_periph) = (uint32_t)reg;
SPI_I2SCTL(spi_periph) &= (uint32_t)(~SPI_I2SCTL_I2SSEL);
}
/*!
\brief enable SPI
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval none
*/
void spi_enable(uint32_t spi_periph)
{
SPI_CTL0(spi_periph) |= (uint32_t)SPI_CTL0_SPIEN;
}
/*!
\brief disable SPI
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval none
*/
void spi_disable(uint32_t spi_periph)
{
SPI_CTL0(spi_periph) &= (uint32_t)(~SPI_CTL0_SPIEN);
}
/*!
\brief initialize I2S parameter
\param[in] spi_periph: SPIx(x=1,2)
\param[in] mode: I2S operation mode
only one parameter can be selected which is shown as below:
\arg I2S_MODE_SLAVETX: I2S slave transmit mode
\arg I2S_MODE_SLAVERX: I2S slave receive mode
\arg I2S_MODE_MASTERTX: I2S master transmit mode
\arg I2S_MODE_MASTERRX: I2S master receive mode
\param[in] standard: I2S standard
only one parameter can be selected which is shown as below:
\arg I2S_STD_PHILLIPS: I2S phillips standard
\arg I2S_STD_MSB: I2S MSB standard
\arg I2S_STD_LSB: I2S LSB standard
\arg I2S_STD_PCMSHORT: I2S PCM short standard
\arg I2S_STD_PCMLONG: I2S PCM long standard
\param[in] ckpl: I2S idle state clock polarity
only one parameter can be selected which is shown as below:
\arg I2S_CKPL_LOW: I2S clock polarity low level
\arg I2S_CKPL_HIGH: I2S clock polarity high level
\param[out] none
\retval none
*/
void i2s_init(uint32_t spi_periph, uint32_t mode, uint32_t standard, uint32_t ckpl)
{
uint32_t reg = 0U;
reg = SPI_I2SCTL(spi_periph);
reg &= I2S_INIT_MASK;
/* enable I2S mode */
reg |= (uint32_t)SPI_I2SCTL_I2SSEL;
/* select I2S mode */
reg |= (uint32_t)mode;
/* select I2S standard */
reg |= (uint32_t)standard;
/* select I2S polarity */
reg |= (uint32_t)ckpl;
/* write to SPI_I2SCTL register */
SPI_I2SCTL(spi_periph) = (uint32_t)reg;
}
/*!
\brief configure I2S prescaler
\param[in] spi_periph: SPIx(x=1,2)
\param[in] audiosample: I2S audio sample rate
only one parameter can be selected which is shown as below:
\arg I2S_AUDIOSAMPLE_8K: audio sample rate is 8KHz
\arg I2S_AUDIOSAMPLE_11K: audio sample rate is 11KHz
\arg I2S_AUDIOSAMPLE_16K: audio sample rate is 16KHz
\arg I2S_AUDIOSAMPLE_22K: audio sample rate is 22KHz
\arg I2S_AUDIOSAMPLE_32K: audio sample rate is 32KHz
\arg I2S_AUDIOSAMPLE_44K: audio sample rate is 44KHz
\arg I2S_AUDIOSAMPLE_48K: audio sample rate is 48KHz
\arg I2S_AUDIOSAMPLE_96K: audio sample rate is 96KHz
\arg I2S_AUDIOSAMPLE_192K: audio sample rate is 192KHz
\param[in] frameformat: I2S data length and channel length
only one parameter can be selected which is shown as below:
\arg I2S_FRAMEFORMAT_DT16B_CH16B: I2S data length is 16 bit and channel length is 16 bit
\arg I2S_FRAMEFORMAT_DT16B_CH32B: I2S data length is 16 bit and channel length is 32 bit
\arg I2S_FRAMEFORMAT_DT24B_CH32B: I2S data length is 24 bit and channel length is 32 bit
\arg I2S_FRAMEFORMAT_DT32B_CH32B: I2S data length is 32 bit and channel length is 32 bit
\param[in] mckout: I2S master clock output
only one parameter can be selected which is shown as below:
\arg I2S_MCKOUT_ENABLE: I2S master clock output enable
\arg I2S_MCKOUT_DISABLE: I2S master clock output disable
\param[out] none
\retval none
*/
void i2s_psc_config(uint32_t spi_periph, uint32_t audiosample, uint32_t frameformat, uint32_t mckout)
{
uint32_t i2sdiv = 2U, i2sof = 0U;
uint32_t clks = 0U;
uint32_t i2sclock = 0U;
/* deinit SPI_I2SPSC register */
SPI_I2SPSC(spi_periph) = SPI_I2SPSC_DEFAULT_VALUE;
/* get the I2S clock source */
if (SPI1 == ((uint32_t)spi_periph)) {
/* I2S1 clock source selection */
clks = I2S1_CLOCK_SEL;
} else {
/* I2S2 clock source selection */
clks = I2S2_CLOCK_SEL;
}
if (0U != (RCU_CFG1 & clks)) {
/* get RCU PLL2 clock multiplication factor */
clks = (uint32_t)((RCU_CFG1 & I2S_CLOCK_MUL_MASK) >> RCU_CFG1_PLL2MF_OFFSET);
if ((clks > 5U) && (clks < 15U)) {
/* multiplier is between 8 and 16 */
clks += 2U;
} else {
if (15U == clks) {
/* multiplier is 20 */
clks = 20U;
}
}
/* get the PREDV1 value */
i2sclock = (uint32_t)(((RCU_CFG1 & I2S_CLOCK_DIV_MASK) >> RCU_CFG1_PREDV1_OFFSET) + 1U);
/* calculate I2S clock based on PLL2 and PREDV1 */
if (0U != (RCU_CFG1_PLLPRESEL & RCU_CFG1)) {
i2sclock = (uint32_t)((IRC48M_VALUE / i2sclock) * clks * 2U);
} else {
i2sclock = (uint32_t)((HXTAL_VALUE / i2sclock) * clks * 2U);
}
} else {
/* get system clock */
i2sclock = rcu_clock_freq_get(CK_SYS);
}
/* config the prescaler depending on the mclk output state, the frame format and audio sample rate */
if (I2S_MCKOUT_ENABLE == mckout) {
clks = (uint32_t)(((i2sclock / 256U) * 10U) / audiosample);
} else {
if (I2S_FRAMEFORMAT_DT16B_CH16B == frameformat) {
clks = (uint32_t)(((i2sclock / 32U) * 10U) / audiosample);
} else {
clks = (uint32_t)(((i2sclock / 64U) * 10U) / audiosample);
}
}
/* remove the floating point */
clks = (clks + 5U) / 10U;
i2sof = (clks & 0x00000001U);
i2sdiv = ((clks - i2sof) / 2U);
i2sof = (i2sof << 8U);
/* set the default values */
if ((i2sdiv < 2U) || (i2sdiv > 255U)) {
i2sdiv = 2U;
i2sof = 0U;
}
/* configure SPI_I2SPSC */
SPI_I2SPSC(spi_periph) = (uint32_t)(i2sdiv | i2sof | mckout);
/* clear SPI_I2SCTL_DTLEN and SPI_I2SCTL_CHLEN bits */
SPI_I2SCTL(spi_periph) &= (uint32_t)(~(SPI_I2SCTL_DTLEN | SPI_I2SCTL_CHLEN));
/* configure data frame format */
SPI_I2SCTL(spi_periph) |= (uint32_t)frameformat;
}
/*!
\brief enable I2S
\param[in] spi_periph: SPIx(x=1,2)
\param[out] none
\retval none
*/
void i2s_enable(uint32_t spi_periph)
{
SPI_I2SCTL(spi_periph) |= (uint32_t)SPI_I2SCTL_I2SEN;
}
/*!
\brief disable I2S
\param[in] spi_periph: SPIx(x=1,2)
\param[out] none
\retval none
*/
void i2s_disable(uint32_t spi_periph)
{
SPI_I2SCTL(spi_periph) &= (uint32_t)(~SPI_I2SCTL_I2SEN);
}
/*!
\brief enable SPI NSS output
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval none
*/
void spi_nss_output_enable(uint32_t spi_periph)
{
SPI_CTL1(spi_periph) |= (uint32_t)SPI_CTL1_NSSDRV;
}
/*!
\brief disable SPI NSS output
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval none
*/
void spi_nss_output_disable(uint32_t spi_periph)
{
SPI_CTL1(spi_periph) &= (uint32_t)(~SPI_CTL1_NSSDRV);
}
/*!
\brief SPI NSS pin high level in software mode
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval none
*/
void spi_nss_internal_high(uint32_t spi_periph)
{
SPI_CTL0(spi_periph) |= (uint32_t)SPI_CTL0_SWNSS;
}
/*!
\brief SPI NSS pin low level in software mode
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval none
*/
void spi_nss_internal_low(uint32_t spi_periph)
{
SPI_CTL0(spi_periph) &= (uint32_t)(~SPI_CTL0_SWNSS);
}
/*!
\brief enable SPI DMA send or receive
\param[in] spi_periph: SPIx(x=0,1,2)
\param[in] dma: SPI DMA mode
only one parameter can be selected which is shown as below:
\arg SPI_DMA_TRANSMIT: SPI transmit data using DMA
\arg SPI_DMA_RECEIVE: SPI receive data using DMA
\param[out] none
\retval none
*/
void spi_dma_enable(uint32_t spi_periph, uint8_t dma)
{
if (SPI_DMA_TRANSMIT == dma) {
SPI_CTL1(spi_periph) |= (uint32_t)SPI_CTL1_DMATEN;
} else {
SPI_CTL1(spi_periph) |= (uint32_t)SPI_CTL1_DMAREN;
}
}
/*!
\brief disable SPI DMA send or receive
\param[in] spi_periph: SPIx(x=0,1,2)
\param[in] dma: SPI DMA mode
only one parameter can be selected which is shown as below:
\arg SPI_DMA_TRANSMIT: SPI transmit data using DMA
\arg SPI_DMA_RECEIVE: SPI receive data using DMA
\param[out] none
\retval none
*/
void spi_dma_disable(uint32_t spi_periph, uint8_t dma)
{
if (SPI_DMA_TRANSMIT == dma) {
SPI_CTL1(spi_periph) &= (uint32_t)(~SPI_CTL1_DMATEN);
} else {
SPI_CTL1(spi_periph) &= (uint32_t)(~SPI_CTL1_DMAREN);
}
}
/*!
\brief configure SPI/I2S data frame format
\param[in] spi_periph: SPIx(x=0,1,2)
\param[in] frame_format: SPI frame size
only one parameter can be selected which is shown as below:
\arg SPI_FRAMESIZE_16BIT: SPI frame size is 16 bits
\arg SPI_FRAMESIZE_8BIT: SPI frame size is 8 bits
\param[out] none
\retval none
*/
void spi_i2s_data_frame_format_config(uint32_t spi_periph, uint16_t frame_format)
{
/* clear SPI_CTL0_FF16 bit */
SPI_CTL0(spi_periph) &= (uint32_t)(~SPI_CTL0_FF16);
/* configure SPI_CTL0_FF16 bit */
SPI_CTL0(spi_periph) |= (uint32_t)frame_format;
}
/*!
\brief SPI transmit data
\param[in] spi_periph: SPIx(x=0,1,2)
\param[in] data: 16-bit data
\param[out] none
\retval none
*/
void spi_i2s_data_transmit(uint32_t spi_periph, uint16_t data)
{
SPI_DATA(spi_periph) = (uint32_t)data;
}
/*!
\brief SPI receive data
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval 16-bit data
*/
uint16_t spi_i2s_data_receive(uint32_t spi_periph)
{
return ((uint16_t)SPI_DATA(spi_periph));
}
/*!
\brief configure SPI bidirectional transfer direction
\param[in] spi_periph: SPIx(x=0,1,2)
\param[in] transfer_direction: SPI transfer direction
only one parameter can be selected which is shown as below:
\arg SPI_BIDIRECTIONAL_TRANSMIT: SPI work in transmit-only mode
\arg SPI_BIDIRECTIONAL_RECEIVE: SPI work in receive-only mode
\param[out] none
\retval none
*/
void spi_bidirectional_transfer_config(uint32_t spi_periph, uint32_t transfer_direction)
{
if (SPI_BIDIRECTIONAL_TRANSMIT == transfer_direction) {
/* set the transmit-only mode */
SPI_CTL0(spi_periph) |= (uint32_t)SPI_BIDIRECTIONAL_TRANSMIT;
} else {
/* set the receive-only mode */
SPI_CTL0(spi_periph) &= SPI_BIDIRECTIONAL_RECEIVE;
}
}
/*!
\brief set SPI CRC polynomial
\param[in] spi_periph: SPIx(x=0,1,2)
\param[in] crc_poly: CRC polynomial value
\param[out] none
\retval none
*/
void spi_crc_polynomial_set(uint32_t spi_periph, uint16_t crc_poly)
{
/* enable SPI CRC */
SPI_CTL0(spi_periph) |= (uint32_t)SPI_CTL0_CRCEN;
/* set SPI CRC polynomial */
SPI_CRCPOLY(spi_periph) = (uint32_t)crc_poly;
}
/*!
\brief get SPI CRC polynomial
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval 16-bit CRC polynomial
*/
uint16_t spi_crc_polynomial_get(uint32_t spi_periph)
{
return ((uint16_t)SPI_CRCPOLY(spi_periph));
}
/*!
\brief turn on CRC function
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval none
*/
void spi_crc_on(uint32_t spi_periph)
{
SPI_CTL0(spi_periph) |= (uint32_t)SPI_CTL0_CRCEN;
}
/*!
\brief turn off CRC function
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval none
*/
void spi_crc_off(uint32_t spi_periph)
{
SPI_CTL0(spi_periph) &= (uint32_t)(~SPI_CTL0_CRCEN);
}
/*!
\brief SPI next data is CRC value
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval none
*/
void spi_crc_next(uint32_t spi_periph)
{
SPI_CTL0(spi_periph) |= (uint32_t)SPI_CTL0_CRCNT;
}
/*!
\brief get SPI CRC send value or receive value
\param[in] spi_periph: SPIx(x=0,1,2)
\param[in] crc: SPI crc value
only one parameter can be selected which is shown as below:
\arg SPI_CRC_TX: get transmit crc value
\arg SPI_CRC_RX: get receive crc value
\param[out] none
\retval 16-bit CRC value
*/
uint16_t spi_crc_get(uint32_t spi_periph, uint8_t crc)
{
if (SPI_CRC_TX == crc) {
return ((uint16_t)(SPI_TCRC(spi_periph)));
} else {
return ((uint16_t)(SPI_RCRC(spi_periph)));
}
}
/*!
\brief enable SPI TI mode
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval none
*/
void spi_ti_mode_enable(uint32_t spi_periph)
{
SPI_CTL1(spi_periph) |= (uint32_t)SPI_CTL1_TMOD;
}
/*!
\brief disable SPI TI mode
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval none
*/
void spi_ti_mode_disable(uint32_t spi_periph)
{
SPI_CTL1(spi_periph) &= (uint32_t)(~SPI_CTL1_TMOD);
}
/*!
\brief enable SPI NSS pulse mode
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval none
*/
void spi_nssp_mode_enable(uint32_t spi_periph)
{
SPI_CTL1(spi_periph) |= (uint32_t)SPI_CTL1_NSSP;
}
/*!
\brief disable SPI NSS pulse mode
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval none
*/
void spi_nssp_mode_disable(uint32_t spi_periph)
{
SPI_CTL1(spi_periph) &= (uint32_t)(~SPI_CTL1_NSSP);
}
/*!
\brief enable quad wire SPI
\param[in] spi_periph: SPIx(only x=0)
\param[out] none
\retval none
*/
void qspi_enable(uint32_t spi_periph)
{
SPI_QCTL(spi_periph) |= (uint32_t)SPI_QCTL_QMOD;
}
/*!
\brief disable quad wire SPI
\param[in] spi_periph: SPIx(only x=0)
\param[out] none
\retval none
*/
void qspi_disable(uint32_t spi_periph)
{
SPI_QCTL(spi_periph) &= (uint32_t)(~SPI_QCTL_QMOD);
}
/*!
\brief enable quad wire SPI write
\param[in] spi_periph: SPIx(only x=0)
\param[out] none
\retval none
*/
void qspi_write_enable(uint32_t spi_periph)
{
SPI_QCTL(spi_periph) &= (uint32_t)(~SPI_QCTL_QRD);
}
/*!
\brief enable quad wire SPI read
\param[in] spi_periph: SPIx(only x=0)
\param[out] none
\retval none
*/
void qspi_read_enable(uint32_t spi_periph)
{
SPI_QCTL(spi_periph) |= (uint32_t)SPI_QCTL_QRD;
}
/*!
\brief enable SPI_IO2 and SPI_IO3 pin output
\param[in] spi_periph: SPIx(only x=0)
\param[out] none
\retval none
*/
void qspi_io23_output_enable(uint32_t spi_periph)
{
SPI_QCTL(spi_periph) |= (uint32_t)SPI_QCTL_IO23_DRV;
}
/*!
\brief disable SPI_IO2 and SPI_IO3 pin output
\param[in] spi_periph: SPIx(only x=0)
\param[out] none
\retval none
*/
void qspi_io23_output_disable(uint32_t spi_periph)
{
SPI_QCTL(spi_periph) &= (uint32_t)(~SPI_QCTL_IO23_DRV);
}
/*!
\brief enable SPI and I2S interrupt
\param[in] spi_periph: SPIx(x=0,1,2)
\param[in] interrupt: SPI/I2S interrupt
only one parameter can be selected which is shown as below:
\arg SPI_I2S_INT_TBE: transmit buffer empty interrupt
\arg SPI_I2S_INT_RBNE: receive buffer not empty interrupt
\arg SPI_I2S_INT_ERR: CRC error,configuration error,reception overrun error,
transmission underrun error and format error interrupt
\param[out] none
\retval none
*/
void spi_i2s_interrupt_enable(uint32_t spi_periph, uint8_t interrupt)
{
switch (interrupt) {
/* SPI/I2S transmit buffer empty interrupt */
case SPI_I2S_INT_TBE:
SPI_CTL1(spi_periph) |= (uint32_t)SPI_CTL1_TBEIE;
break;
/* SPI/I2S receive buffer not empty interrupt */
case SPI_I2S_INT_RBNE:
SPI_CTL1(spi_periph) |= (uint32_t)SPI_CTL1_RBNEIE;
break;
/* SPI/I2S error */
case SPI_I2S_INT_ERR:
SPI_CTL1(spi_periph) |= (uint32_t)SPI_CTL1_ERRIE;
break;
default:
break;
}
}
/*!
\brief disable SPI and I2S interrupt
\param[in] spi_periph: SPIx(x=0,1,2)
\param[in] interrupt: SPI/I2S interrupt
only one parameter can be selected which is shown as below:
\arg SPI_I2S_INT_TBE: transmit buffer empty interrupt
\arg SPI_I2S_INT_RBNE: receive buffer not empty interrupt
\arg SPI_I2S_INT_ERR: CRC error,configuration error,reception overrun error,
transmission underrun error and format error interrupt
\param[out] none
\retval none
*/
void spi_i2s_interrupt_disable(uint32_t spi_periph, uint8_t interrupt)
{
switch (interrupt) {
/* SPI/I2S transmit buffer empty interrupt */
case SPI_I2S_INT_TBE:
SPI_CTL1(spi_periph) &= (uint32_t)(~SPI_CTL1_TBEIE);
break;
/* SPI/I2S receive buffer not empty interrupt */
case SPI_I2S_INT_RBNE:
SPI_CTL1(spi_periph) &= (uint32_t)(~SPI_CTL1_RBNEIE);
break;
/* SPI/I2S error */
case SPI_I2S_INT_ERR:
SPI_CTL1(spi_periph) &= (uint32_t)(~SPI_CTL1_ERRIE);
break;
default:
break;
}
}
/*!
\brief get SPI and I2S interrupt flag status
\param[in] spi_periph: SPIx(x=0,1,2)
\param[in] interrupt: SPI/I2S interrupt flag status
only one parameter can be selected which is shown as below:
\arg SPI_I2S_INT_FLAG_TBE: transmit buffer empty interrupt flag
\arg SPI_I2S_INT_FLAG_RBNE: receive buffer not empty interrupt flag
\arg SPI_I2S_INT_FLAG_RXORERR: overrun interrupt flag
\arg SPI_INT_FLAG_CONFERR: config error interrupt flag
\arg SPI_INT_FLAG_CRCERR: CRC error interrupt flag
\arg I2S_INT_FLAG_TXURERR: underrun error interrupt flag
\arg SPI_I2S_INT_FLAG_FERR: format error interrupt flag
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus spi_i2s_interrupt_flag_get(uint32_t spi_periph, uint8_t interrupt)
{
uint32_t reg1 = SPI_STAT(spi_periph);
uint32_t reg2 = SPI_CTL1(spi_periph);
switch (interrupt) {
/* SPI/I2S transmit buffer empty interrupt */
case SPI_I2S_INT_FLAG_TBE:
reg1 = reg1 & SPI_STAT_TBE;
reg2 = reg2 & SPI_CTL1_TBEIE;
break;
/* SPI/I2S receive buffer not empty interrupt */
case SPI_I2S_INT_FLAG_RBNE:
reg1 = reg1 & SPI_STAT_RBNE;
reg2 = reg2 & SPI_CTL1_RBNEIE;
break;
/* SPI/I2S overrun interrupt */
case SPI_I2S_INT_FLAG_RXORERR:
reg1 = reg1 & SPI_STAT_RXORERR;
reg2 = reg2 & SPI_CTL1_ERRIE;
break;
/* SPI config error interrupt */
case SPI_INT_FLAG_CONFERR:
reg1 = reg1 & SPI_STAT_CONFERR;
reg2 = reg2 & SPI_CTL1_ERRIE;
break;
/* SPI CRC error interrupt */
case SPI_INT_FLAG_CRCERR:
reg1 = reg1 & SPI_STAT_CRCERR;
reg2 = reg2 & SPI_CTL1_ERRIE;
break;
/* I2S underrun error interrupt */
case I2S_INT_FLAG_TXURERR:
reg1 = reg1 & SPI_STAT_TXURERR;
reg2 = reg2 & SPI_CTL1_ERRIE;
break;
/* SPI/I2S format error interrupt */
case SPI_I2S_INT_FLAG_FERR:
reg1 = reg1 & SPI_STAT_FERR;
reg2 = reg2 & SPI_CTL1_ERRIE;
break;
default:
break;
}
/* get SPI/I2S interrupt flag status */
if ((0U != reg1) && (0U != reg2)) {
return SET;
} else {
return RESET;
}
}
/*!
\brief get SPI and I2S flag status
\param[in] spi_periph: SPIx(x=0,1,2)
\param[in] flag: SPI/I2S flag status
one or more parameters can be selected which are shown as below:
\arg SPI_FLAG_TBE: transmit buffer empty flag
\arg SPI_FLAG_RBNE: receive buffer not empty flag
\arg SPI_FLAG_TRANS: transmit on-going flag
\arg SPI_FLAG_RXORERR: receive overrun error flag
\arg SPI_FLAG_CONFERR: mode config error flag
\arg SPI_FLAG_CRCERR: CRC error flag
\arg SPI_FLAG_FERR: format error interrupt flag
\arg I2S_FLAG_TBE: transmit buffer empty flag
\arg I2S_FLAG_RBNE: receive buffer not empty flag
\arg I2S_FLAG_TRANS: transmit on-going flag
\arg I2S_FLAG_RXORERR: overrun error flag
\arg I2S_FLAG_TXURERR: underrun error flag
\arg I2S_FLAG_CH: channel side flag
\arg I2S_FLAG_FERR: format error interrupt flag
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus spi_i2s_flag_get(uint32_t spi_periph, uint32_t flag)
{
if (RESET != (SPI_STAT(spi_periph) & flag)) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear SPI CRC error flag status
\param[in] spi_periph: SPIx(x=0,1,2)
\param[out] none
\retval none
*/
void spi_crc_error_clear(uint32_t spi_periph)
{
SPI_STAT(spi_periph) &= (uint32_t)(~SPI_FLAG_CRCERR);
}

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/*!
\file gd32e10x_usart.c
\brief USART driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_usart.h"
/* USART register bit offset */
#define GP_GUAT_OFFSET ((uint32_t)8U) /* bit offset of GUAT in USART_GP */
#define CTL3_SCRTNUM_OFFSET ((uint32_t)1U) /* bit offset of SCRTNUM in USART_CTL3 */
#define RT_BL_OFFSET ((uint32_t)24U) /* bit offset of BL in USART_RT */
/*!
\brief reset USART/UART
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[out] none
\retval none
*/
void usart_deinit(uint32_t usart_periph)
{
switch (usart_periph) {
case USART0:
/* reset USART0 */
rcu_periph_reset_enable(RCU_USART0RST);
rcu_periph_reset_disable(RCU_USART0RST);
break;
case USART1:
/* reset USART1 */
rcu_periph_reset_enable(RCU_USART1RST);
rcu_periph_reset_disable(RCU_USART1RST);
break;
case USART2:
/* reset USART2 */
rcu_periph_reset_enable(RCU_USART2RST);
rcu_periph_reset_disable(RCU_USART2RST);
break;
case UART3:
/* reset UART3 */
rcu_periph_reset_enable(RCU_UART3RST);
rcu_periph_reset_disable(RCU_UART3RST);
break;
case UART4:
/* reset UART4 */
rcu_periph_reset_enable(RCU_UART4RST);
rcu_periph_reset_disable(RCU_UART4RST);
break;
default:
break;
}
}
/*!
\brief configure USART baud rate value
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] baudval: baud rate value
\param[out] none
\retval none
*/
void usart_baudrate_set(uint32_t usart_periph, uint32_t baudval)
{
uint32_t uclk = 0U, intdiv = 0U, fradiv = 0U, udiv = 0U;
switch (usart_periph) {
/* get clock frequency */
case USART0:
/* get USART0 clock */
uclk = rcu_clock_freq_get(CK_APB2);
break;
case USART1:
/* get USART1 clock */
uclk = rcu_clock_freq_get(CK_APB1);
break;
case USART2:
/* get USART2 clock */
uclk = rcu_clock_freq_get(CK_APB1);
break;
case UART3:
/* get UART3 clock */
uclk = rcu_clock_freq_get(CK_APB1);
break;
case UART4:
/* get UART4 clock */
uclk = rcu_clock_freq_get(CK_APB1);
break;
default:
break;
}
/* oversampling by 16, configure the value of USART_BAUD */
udiv = (uclk + baudval / 2U) / baudval;
intdiv = udiv & 0xfff0U;
fradiv = udiv & 0xfU;
USART_BAUD(usart_periph) = ((USART_BAUD_FRADIV | USART_BAUD_INTDIV) & (intdiv | fradiv));
}
/*!
\brief configure USART parity
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] paritycfg: configure USART parity
only one parameter can be selected which is shown as below:
\arg USART_PM_NONE: no parity
\arg USART_PM_ODD: odd parity
\arg USART_PM_EVEN: even parity
\param[out] none
\retval none
*/
void usart_parity_config(uint32_t usart_periph, uint32_t paritycfg)
{
/* clear USART_CTL0 PM,PCEN bits */
USART_CTL0(usart_periph) &= ~(USART_CTL0_PM | USART_CTL0_PCEN);
/* configure USART parity mode */
USART_CTL0(usart_periph) |= paritycfg;
}
/*!
\brief configure USART word length
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] wlen: USART word length configure
only one parameter can be selected which is shown as below:
\arg USART_WL_8BIT: 8 bits
\arg USART_WL_9BIT: 9 bits
\param[out] none
\retval none
*/
void usart_word_length_set(uint32_t usart_periph, uint32_t wlen)
{
/* clear USART_CTL0 WL bit */
USART_CTL0(usart_periph) &= ~USART_CTL0_WL;
/* configure USART word length */
USART_CTL0(usart_periph) |= wlen;
}
/*!
\brief configure USART stop bit length
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] stblen: USART stop bit configure
only one parameter can be selected which is shown as below:
\arg USART_STB_1BIT: 1 bit
\arg USART_STB_0_5BIT: 0.5 bit, not available for UARTx(x=3,4)
\arg USART_STB_2BIT: 2 bits
\arg USART_STB_1_5BIT: 1.5 bits, not available for UARTx(x=3,4)
\param[out] none
\retval none
*/
void usart_stop_bit_set(uint32_t usart_periph, uint32_t stblen)
{
/* clear USART_CTL1 STB bits */
USART_CTL1(usart_periph) &= ~USART_CTL1_STB;
/* configure USART stop bits */
USART_CTL1(usart_periph) |= stblen;
}
/*!
\brief enable USART
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[out] none
\retval none
*/
void usart_enable(uint32_t usart_periph)
{
USART_CTL0(usart_periph) |= USART_CTL0_UEN;
}
/*!
\brief disable USART
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[out] none
\retval none
*/
void usart_disable(uint32_t usart_periph)
{
USART_CTL0(usart_periph) &= ~(USART_CTL0_UEN);
}
/*!
\brief configure USART transmitter
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] txconfig: enable or disable USART transmitter
only one parameter can be selected which is shown as below:
\arg USART_TRANSMIT_ENABLE: enable USART transmission
\arg USART_TRANSMIT_DISABLE: disable USART transmission
\param[out] none
\retval none
*/
void usart_transmit_config(uint32_t usart_periph, uint32_t txconfig)
{
uint32_t ctl = 0U;
ctl = USART_CTL0(usart_periph);
ctl &= ~USART_CTL0_TEN;
ctl |= txconfig;
/* configure transfer mode */
USART_CTL0(usart_periph) = ctl;
}
/*!
\brief configure USART receiver
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] rxconfig: enable or disable USART receiver
only one parameter can be selected which is shown as below:
\arg USART_RECEIVE_ENABLE: enable USART reception
\arg USART_RECEIVE_DISABLE: disable USART reception
\param[out] none
\retval none
*/
void usart_receive_config(uint32_t usart_periph, uint32_t rxconfig)
{
uint32_t ctl = 0U;
ctl = USART_CTL0(usart_periph);
ctl &= ~USART_CTL0_REN;
ctl |= rxconfig;
/* configure transfer mode */
USART_CTL0(usart_periph) = ctl;
}
/*!
\brief data is transmitted/received with the LSB/MSB first
\param[in] usart_periph: USARTx(x=0,1,2)
\param[in] msbf: LSB/MSB
only one parameter can be selected which is shown as below:
\arg USART_MSBF_LSB: LSB first
\arg USART_MSBF_MSB: MSB first
\param[out] none
\retval none
*/
void usart_data_first_config(uint32_t usart_periph, uint32_t msbf)
{
uint32_t ctl = 0U;
ctl = USART_CTL3(usart_periph);
ctl &= ~(USART_CTL3_MSBF);
ctl |= msbf;
/* configure data transmitted/received mode */
USART_CTL3(usart_periph) = ctl;
}
/*!
\brief configure USART inversion
\param[in] usart_periph: USARTx(x=0,1,2)
\param[in] invertpara: refer to enum usart_invert_enum
only one parameter can be selected which is shown as below:
\arg USART_DINV_ENABLE: data bit level inversion
\arg USART_DINV_DISABLE: data bit level not inversion
\arg USART_TXPIN_ENABLE: TX pin level inversion
\arg USART_TXPIN_DISABLE: TX pin level not inversion
\arg USART_RXPIN_ENABLE: RX pin level inversion
\arg USART_RXPIN_DISABLE: RX pin level not inversion
\param[out] none
\retval none
*/
void usart_invert_config(uint32_t usart_periph, usart_invert_enum invertpara)
{
/* inverted or not the specified siginal */
switch (invertpara) {
case USART_DINV_ENABLE:
/* data bit level inversion */
USART_CTL3(usart_periph) |= USART_CTL3_DINV;
break;
case USART_TXPIN_ENABLE:
/* TX pin level inversion */
USART_CTL3(usart_periph) |= USART_CTL3_TINV;
break;
case USART_RXPIN_ENABLE:
/* RX pin level inversion */
USART_CTL3(usart_periph) |= USART_CTL3_RINV;
break;
case USART_DINV_DISABLE:
/* data bit level not inversion */
USART_CTL3(usart_periph) &= ~(USART_CTL3_DINV);
break;
case USART_TXPIN_DISABLE:
/* TX pin level not inversion */
USART_CTL3(usart_periph) &= ~(USART_CTL3_TINV);
break;
case USART_RXPIN_DISABLE:
/* RX pin level not inversion */
USART_CTL3(usart_periph) &= ~(USART_CTL3_RINV);
break;
default:
break;
}
}
/*!
\brief enable receiver timeout of USART
\param[in] usart_periph: USARTx(x=0,1,2)
\param[out] none
\retval none
*/
void usart_receiver_timeout_enable(uint32_t usart_periph)
{
USART_CTL3(usart_periph) |= USART_CTL3_RTEN;
}
/*!
\brief disable receiver timeout of USART
\param[in] usart_periph: USARTx(x=0,1,2)
\param[out] none
\retval none
*/
void usart_receiver_timeout_disable(uint32_t usart_periph)
{
USART_CTL3(usart_periph) &= ~(USART_CTL3_RTEN);
}
/*!
\brief set the receiver timeout threshold of USART
\param[in] usart_periph: USARTx(x=0,1,2)
\param[in] rtimeout: 0-0xFFFFFF
\param[out] none
\retval none
*/
void usart_receiver_timeout_threshold_config(uint32_t usart_periph, uint32_t rtimeout)
{
USART_RT(usart_periph) &= ~(USART_RT_RT);
USART_RT(usart_periph) |= rtimeout;
}
/*!
\brief USART transmit data function
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] data: data to be transmitted
\param[out] none
\retval none
*/
void usart_data_transmit(uint32_t usart_periph, uint32_t data)
{
USART_DATA(usart_periph) = ((uint16_t)USART_DATA_DATA & data);
}
/*!
\brief USART receive data function
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[out] none
\retval data of received
*/
uint16_t usart_data_receive(uint32_t usart_periph)
{
return (uint16_t)(GET_BITS(USART_DATA(usart_periph), 0U, 8U));
}
/*!
\brief configure the address of the USART in wake up by address match mode
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] addr: address of USART/UART
\param[out] none
\retval none
*/
void usart_address_config(uint32_t usart_periph, uint8_t addr)
{
USART_CTL1(usart_periph) &= ~(USART_CTL1_ADDR);
USART_CTL1(usart_periph) |= (USART_CTL1_ADDR & addr);
}
/*!
\brief receiver in mute mode
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[out] none
\retval none
*/
void usart_mute_mode_enable(uint32_t usart_periph)
{
USART_CTL0(usart_periph) |= USART_CTL0_RWU;
}
/*!
\brief receiver in active mode
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[out] none
\retval none
*/
void usart_mute_mode_disable(uint32_t usart_periph)
{
USART_CTL0(usart_periph) &= ~(USART_CTL0_RWU);
}
/*!
\brief configure wakeup method in mute mode
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] wmethod: two methods be used to enter or exit the mute mode
only one parameter can be selected which is shown as below:
\arg USART_WM_IDLE: idle line
\arg USART_WM_ADDR: address mask
\param[out] none
\retval none
*/
void usart_mute_mode_wakeup_config(uint32_t usart_periph, uint32_t wmethod)
{
USART_CTL0(usart_periph) &= ~(USART_CTL0_WM);
USART_CTL0(usart_periph) |= wmethod;
}
/*!
\brief enable LIN mode
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[out] none
\retval none
*/
void usart_lin_mode_enable(uint32_t usart_periph)
{
USART_CTL1(usart_periph) |= USART_CTL1_LMEN;
}
/*!
\brief disable LIN mode
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[out] none
\retval none
*/
void usart_lin_mode_disable(uint32_t usart_periph)
{
USART_CTL1(usart_periph) &= ~(USART_CTL1_LMEN);
}
/*!
\brief configure lin break frame length
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] lblen: lin break frame length
only one parameter can be selected which is shown as below:
\arg USART_LBLEN_10B: 10 bits
\arg USART_LBLEN_11B: 11 bits
\param[out] none
\retval none
*/
void usart_lin_break_detection_length_config(uint32_t usart_periph, uint32_t lblen)
{
USART_CTL1(usart_periph) &= ~(USART_CTL1_LBLEN);
USART_CTL1(usart_periph) |= (USART_CTL1_LBLEN & lblen);
}
/*!
\brief send break frame
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[out] none
\retval none
*/
void usart_send_break(uint32_t usart_periph)
{
USART_CTL0(usart_periph) |= USART_CTL0_SBKCMD;
}
/*!
\brief enable half duplex mode
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[out] none
\retval none
*/
void usart_halfduplex_enable(uint32_t usart_periph)
{
USART_CTL2(usart_periph) |= USART_CTL2_HDEN;
}
/*!
\brief disable half duplex mode
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[out] none
\retval none
*/
void usart_halfduplex_disable(uint32_t usart_periph)
{
USART_CTL2(usart_periph) &= ~(USART_CTL2_HDEN);
}
/*!
\brief enable CK pin in synchronous mode
\param[in] usart_periph: USARTx(x=0,1,2)
\param[out] none
\retval none
*/
void usart_synchronous_clock_enable(uint32_t usart_periph)
{
USART_CTL1(usart_periph) |= USART_CTL1_CKEN;
}
/*!
\brief disable CK pin in synchronous mode
\param[in] usart_periph: USARTx(x=0,1,2)
\param[out] none
\retval none
*/
void usart_synchronous_clock_disable(uint32_t usart_periph)
{
USART_CTL1(usart_periph) &= ~(USART_CTL1_CKEN);
}
/*!
\brief configure USART synchronous mode parameters
\param[in] usart_periph: USARTx(x=0,1,2)
\param[in] clen: CK length
only one parameter can be selected which is shown as below:
\arg USART_CLEN_NONE: there are 7 CK pulses for an 8 bit frame and 8 CK pulses for a 9 bit frame
\arg USART_CLEN_EN: there are 8 CK pulses for an 8 bit frame and 9 CK pulses for a 9 bit frame
\param[in] cph: clock phase
only one parameter can be selected which is shown as below:
\arg USART_CPH_1CK: first clock transition is the first data capture edge
\arg USART_CPH_2CK: second clock transition is the first data capture edge
\param[in] cpl: clock polarity
only one parameter can be selected which is shown as below:
\arg USART_CPL_LOW: steady low value on CK pin
\arg USART_CPL_HIGH: steady high value on CK pin
\param[out] none
\retval none
*/
void usart_synchronous_clock_config(uint32_t usart_periph, uint32_t clen, uint32_t cph, uint32_t cpl)
{
uint32_t ctl = 0U;
/* read USART_CTL1 register */
ctl = USART_CTL1(usart_periph);
ctl &= ~(USART_CTL1_CLEN | USART_CTL1_CPH | USART_CTL1_CPL);
/* set CK length, CK phase, CK polarity */
ctl |= (USART_CTL1_CLEN & clen) | (USART_CTL1_CPH & cph) | (USART_CTL1_CPL & cpl);
USART_CTL1(usart_periph) = ctl;
}
/*!
\brief configure guard time value in smartcard mode
\param[in] usart_periph: USARTx(x=0,1,2)
\param[in] guat: guard time value, 0-0xFF
\param[out] none
\retval none
*/
void usart_guard_time_config(uint32_t usart_periph, uint32_t guat)
{
USART_GP(usart_periph) &= ~(USART_GP_GUAT);
USART_GP(usart_periph) |= (USART_GP_GUAT & ((guat) << GP_GUAT_OFFSET));
}
/*!
\brief enable smartcard mode
\param[in] usart_periph: USARTx(x=0,1,2)
\param[out] none
\retval none
*/
void usart_smartcard_mode_enable(uint32_t usart_periph)
{
USART_CTL2(usart_periph) |= USART_CTL2_SCEN;
}
/*!
\brief disable smartcard mode
\param[in] usart_periph: USARTx(x=0,1,2)
\param[out] none
\retval none
*/
void usart_smartcard_mode_disable(uint32_t usart_periph)
{
USART_CTL2(usart_periph) &= ~(USART_CTL2_SCEN);
}
/*!
\brief enable NACK in smartcard mode
\param[in] usart_periph: USARTx(x=0,1,2)
\param[out] none
\retval none
*/
void usart_smartcard_mode_nack_enable(uint32_t usart_periph)
{
USART_CTL2(usart_periph) |= USART_CTL2_NKEN;
}
/*!
\brief disable NACK in smartcard mode
\param[in] usart_periph: USARTx(x=0,1,2)
\param[out] none
\retval none
*/
void usart_smartcard_mode_nack_disable(uint32_t usart_periph)
{
USART_CTL2(usart_periph) &= ~(USART_CTL2_NKEN);
}
/*!
\brief configure smartcard auto-retry number
\param[in] usart_periph: USARTx(x=0,1,2)
\param[in] scrtnum: smartcard auto-retry number
\param[out] none
\retval none
*/
void usart_smartcard_autoretry_config(uint32_t usart_periph, uint32_t scrtnum)
{
USART_CTL3(usart_periph) &= ~(USART_CTL3_SCRTNUM);
USART_CTL3(usart_periph) |= (USART_CTL3_SCRTNUM & ((scrtnum) << CTL3_SCRTNUM_OFFSET));
}
/*!
\brief configure block length in Smartcard T=1 reception
\param[in] usart_periph: USARTx(x=0,1,2)
\param[in] bl: block length
\param[out] none
\retval none
*/
void usart_block_length_config(uint32_t usart_periph, uint32_t bl)
{
USART_RT(usart_periph) &= ~(USART_RT_BL);
USART_RT(usart_periph) |= (USART_RT_BL & ((bl) << RT_BL_OFFSET));
}
/*!
\brief enable IrDA mode
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[out] none
\retval none
*/
void usart_irda_mode_enable(uint32_t usart_periph)
{
USART_CTL2(usart_periph) |= USART_CTL2_IREN;
}
/*!
\brief disable IrDA mode
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[out] none
\retval none
*/
void usart_irda_mode_disable(uint32_t usart_periph)
{
USART_CTL2(usart_periph) &= ~(USART_CTL2_IREN);
}
/*!
\brief configure the peripheral clock prescaler in USART IrDA low-power mode
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] psc: 0x00-0xFF
\param[out] none
\retval none
*/
void usart_prescaler_config(uint32_t usart_periph, uint8_t psc)
{
USART_GP(usart_periph) &= ~(USART_GP_PSC);
USART_GP(usart_periph) |= psc;
}
/*!
\brief configure IrDA low-power
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] irlp: IrDA low-power or normal
only one parameter can be selected which is shown as below:
\arg USART_IRLP_LOW: low-power
\arg USART_IRLP_NORMAL: normal
\param[out] none
\retval none
*/
void usart_irda_lowpower_config(uint32_t usart_periph, uint32_t irlp)
{
USART_CTL2(usart_periph) &= ~(USART_CTL2_IRLP);
USART_CTL2(usart_periph) |= (USART_CTL2_IRLP & irlp);
}
/*!
\brief configure hardware flow control RTS
\param[in] usart_periph: USARTx(x=0,1,2)
\param[in] rtsconfig: enable or disable RTS
only one parameter can be selected which is shown as below:
\arg USART_RTS_ENABLE: enable RTS
\arg USART_RTS_DISABLE: disable RTS
\param[out] none
\retval none
*/
void usart_hardware_flow_rts_config(uint32_t usart_periph, uint32_t rtsconfig)
{
uint32_t ctl = 0U;
ctl = USART_CTL2(usart_periph);
ctl &= ~USART_CTL2_RTSEN;
ctl |= rtsconfig;
/* configure RTS */
USART_CTL2(usart_periph) = ctl;
}
/*!
\brief configure hardware flow control CTS
\param[in] usart_periph: USARTx(x=0,1,2)
\param[in] ctsconfig: enable or disable CTS
only one parameter can be selected which is shown as below:
\arg USART_CTS_ENABLE: enable CTS
\arg USART_CTS_DISABLE: disable CTS
\param[out] none
\retval none
*/
void usart_hardware_flow_cts_config(uint32_t usart_periph, uint32_t ctsconfig)
{
uint32_t ctl = 0U;
ctl = USART_CTL2(usart_periph);
ctl &= ~USART_CTL2_CTSEN;
ctl |= ctsconfig;
/* configure CTS */
USART_CTL2(usart_periph) = ctl;
}
/*!
\brief configure USART DMA reception
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3)
\param[in] dmacmd: enable or disable DMA for reception
only one parameter can be selected which is shown as below:
\arg USART_DENR_ENABLE: DMA enable for reception
\arg USART_DENR_DISABLE: DMA disable for reception
\param[out] none
\retval none
*/
void usart_dma_receive_config(uint32_t usart_periph, uint32_t dmacmd)
{
uint32_t ctl = 0U;
ctl = USART_CTL2(usart_periph);
ctl &= ~USART_CTL2_DENR;
ctl |= dmacmd;
/* configure DMA reception */
USART_CTL2(usart_periph) = ctl;
}
/*!
\brief configure USART DMA transmission
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3)
\param[in] dmacmd: enable or disable DMA for transmission
only one parameter can be selected which is shown as below:
\arg USART_DENT_ENABLE: DMA enable for transmission
\arg USART_DENT_DISABLE: DMA disable for transmission
\param[out] none
\retval none
*/
void usart_dma_transmit_config(uint32_t usart_periph, uint32_t dmacmd)
{
uint32_t ctl = 0U;
ctl = USART_CTL2(usart_periph);
ctl &= ~USART_CTL2_DENT;
ctl |= dmacmd;
/* configure DMA transmission */
USART_CTL2(usart_periph) = ctl;
}
/*!
\brief configure hardware flow control coherence mode
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3)
\param[in] hcm:
\arg USART_RTS_NONE_COHERENCE: nRTS signal equals to the rxne status register
\arg USART_RTS_COHERENCE: nRTS signal is set when the last data bit has been sampled
\param[out] none
\retval none
*/
void usart_hardware_flow_coherence_config(uint32_t usart_periph, uint32_t hcm)
{
USART_CHC(usart_periph) &= ~(USART_CHC_HCM);
USART_CHC(usart_periph) |= (USART_CHC_HCM & hcm);
}
/*!
\brief get flag in STAT0/STAT1 register
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] flag: USART flags, refer to usart_flag_enum
only one parameter can be selected which is shown as below:
\arg USART_FLAG_CTS: CTS change flag
\arg USART_FLAG_LBD: LIN break detected flag
\arg USART_FLAG_TBE: transmit data buffer empty
\arg USART_FLAG_TC: transmission complete
\arg USART_FLAG_RBNE: read data buffer not empty
\arg USART_FLAG_IDLE: IDLE frame detected flag
\arg USART_FLAG_ORERR: overrun error
\arg USART_FLAG_NERR: noise error flag
\arg USART_FLAG_FERR: frame error flag
\arg USART_FLAG_PERR: parity error flag
\arg USART_FLAG_BSY: busy flag
\arg USART_FLAG_EB: end of block flag
\arg USART_FLAG_RT: receiver timeout flag
\arg USART_FLAG_EPERR: early parity error flag
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus usart_flag_get(uint32_t usart_periph, usart_flag_enum flag)
{
if (RESET != (USART_REG_VAL(usart_periph, flag) & BIT(USART_BIT_POS(flag)))) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear flag in STAT0/STAT1 register
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] flag: USART flags, refer to usart_flag_enum
only one parameter can be selected which is shown as below:
\arg USART_FLAG_CTS: CTS change flag
\arg USART_FLAG_LBD: LIN break detected flag
\arg USART_FLAG_TC: transmission complete
\arg USART_FLAG_RBNE: read data buffer not empty
\arg USART_FLAG_EB: end of block flag
\arg USART_FLAG_RT: receiver timeout flag
\arg USART_FLAG_EPERR: early parity error flag
\param[out] none
\retval none
*/
void usart_flag_clear(uint32_t usart_periph, usart_flag_enum flag)
{
USART_REG_VAL(usart_periph, flag) &= ~BIT(USART_BIT_POS(flag));
}
/*!
\brief enable USART interrupt
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] interrupt: USART interrupts, refer to usart_interrupt_enum
only one parameter can be selected which is shown as below:
\arg USART_INT_PERR: parity error interrupt
\arg USART_INT_TBE: transmitter buffer empty interrupt
\arg USART_INT_TC: transmission complete interrupt
\arg USART_INT_RBNE: read data buffer not empty interrupt and overrun error interrupt
\arg USART_INT_IDLE: IDLE line detected interrupt
\arg USART_INT_LBD: LIN break detected interrupt
\arg USART_INT_ERR: error interrupt
\arg USART_INT_CTS: CTS interrupt
\arg USART_INT_RT: interrupt enable bit of receive timeout event
\arg USART_INT_EB: interrupt enable bit of end of block event
\param[out] none
\retval none
*/
void usart_interrupt_enable(uint32_t usart_periph, usart_interrupt_enum interrupt)
{
USART_REG_VAL(usart_periph, interrupt) |= BIT(USART_BIT_POS(interrupt));
}
/*!
\brief disable USART interrupt
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] interrupt: USART interrupts, refer to usart_interrupt_enum
only one parameter can be selected which is shown as below:
\arg USART_INT_PERR: parity error interrupt
\arg USART_INT_TBE: transmitter buffer empty interrupt
\arg USART_INT_TC: transmission complete interrupt
\arg USART_INT_RBNE: read data buffer not empty interrupt and overrun error interrupt
\arg USART_INT_IDLE: IDLE line detected interrupt
\arg USART_INT_LBD: LIN break detected interrupt
\arg USART_INT_ERR: error interrupt
\arg USART_INT_CTS: CTS interrupt
\arg USART_INT_RT: interrupt enable bit of receive timeout event
\arg USART_INT_EB: interrupt enable bit of end of block event
\param[out] none
\retval none
*/
void usart_interrupt_disable(uint32_t usart_periph, usart_interrupt_enum interrupt)
{
USART_REG_VAL(usart_periph, interrupt) &= ~BIT(USART_BIT_POS(interrupt));
}
/*!
\brief get USART interrupt and flag status
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] int_flag: USART interrupt flags, refer to usart_interrupt_flag_enum
only one parameter can be selected which is shown as below:
\arg USART_INT_FLAG_PERR: parity error interrupt and flag
\arg USART_INT_FLAG_TBE: transmitter buffer empty interrupt and flag
\arg USART_INT_FLAG_TC: transmission complete interrupt and flag
\arg USART_INT_FLAG_RBNE: read data buffer not empty interrupt and flag
\arg USART_INT_FLAG_RBNE_ORERR: read data buffer not empty interrupt and overrun error flag
\arg USART_INT_FLAG_IDLE: IDLE line detected interrupt and flag
\arg USART_INT_FLAG_LBD: LIN break detected interrupt and flag
\arg USART_INT_FLAG_CTS: CTS interrupt and flag
\arg USART_INT_FLAG_ERR_ORERR: error interrupt and overrun error
\arg USART_INT_FLAG_ERR_NERR: error interrupt and noise error flag
\arg USART_INT_FLAG_ERR_FERR: error interrupt and frame error flag
\arg USART_INT_FLAG_EB: interrupt enable bit of end of block event and flag
\arg USART_INT_FLAG_RT: interrupt enable bit of receive timeout event and flag
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus usart_interrupt_flag_get(uint32_t usart_periph, usart_interrupt_flag_enum int_flag)
{
uint32_t intenable = 0U, flagstatus = 0U;
/* get the interrupt enable bit status */
intenable = (USART_REG_VAL(usart_periph, int_flag) & BIT(USART_BIT_POS(int_flag)));
/* get the corresponding flag bit status */
flagstatus = (USART_REG_VAL2(usart_periph, int_flag) & BIT(USART_BIT_POS2(int_flag)));
if ((0U != flagstatus) && (0U != intenable)) {
return SET;
} else {
return RESET;
}
}
/*!
\brief clear USART interrupt flag in STAT0/STAT1 register
\param[in] usart_periph: USARTx(x=0,1,2)/UARTx(x=3,4)
\param[in] int_flag: USART interrupt flags, refer to usart_interrupt_flag_enum
only one parameter can be selected which is shown as below:
\arg USART_INT_FLAG_CTS: CTS change flag
\arg USART_INT_FLAG_LBD: LIN break detected flag
\arg USART_INT_FLAG_TC: transmission complete
\arg USART_INT_FLAG_RBNE: read data buffer not empty
\arg USART_INT_FLAG_EB: end of block flag
\arg USART_INT_FLAG_RT: receiver timeout flag
\param[out] none
\retval none
*/
void usart_interrupt_flag_clear(uint32_t usart_periph, usart_interrupt_flag_enum int_flag)
{
USART_REG_VAL2(usart_periph, int_flag) &= ~BIT(USART_BIT_POS2(int_flag));
}

149
targets/TARGET_GigaDevice/TARGET_GD32E10X/GD32E10x_standard_peripheral/Source/gd32e10x_wwdgt.c Normal file
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/*!
\file gd32e10x_wwdgt.c
\brief WWDGT driver
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32e10x_wwdgt.h"
/* write value to WWDGT_CTL_CNT bit field */
#define CTL_CNT(regval) (BITS(0,6) & ((uint32_t)(regval) << 0))
/* write value to WWDGT_CFG_WIN bit field */
#define CFG_WIN(regval) (BITS(0,6) & ((uint32_t)(regval) << 0))
/*!
\brief reset the window watchdog timer configuration
\param[in] none
\param[out] none
\retval none
*/
void wwdgt_deinit(void)
{
rcu_periph_reset_enable(RCU_WWDGTRST);
rcu_periph_reset_disable(RCU_WWDGTRST);
}
/*!
\brief start the window watchdog timer counter
\param[in] none
\param[out] none
\retval none
*/
void wwdgt_enable(void)
{
WWDGT_CTL |= WWDGT_CTL_WDGTEN;
}
/*!
\brief configure the window watchdog timer counter value
\param[in] counter_value: 0x00 - 0x7F
\param[out] none
\retval none
*/
void wwdgt_counter_update(uint16_t counter_value)
{
uint32_t reg = 0U;
reg = (WWDGT_CTL & (~WWDGT_CTL_CNT));
reg |= CTL_CNT(counter_value);
WWDGT_CTL = reg;
}
/*!
\brief configure counter value, window value, and prescaler divider value
\param[in] counter: 0x00 - 0x7F
\param[in] window: 0x00 - 0x7F
\param[in] prescaler: wwdgt prescaler value
only one parameter can be selected which is shown as below:
\arg WWDGT_CFG_PSC_DIV1: the time base of window watchdog counter = (PCLK1/4096)/1
\arg WWDGT_CFG_PSC_DIV2: the time base of window watchdog counter = (PCLK1/4096)/2
\arg WWDGT_CFG_PSC_DIV4: the time base of window watchdog counter = (PCLK1/4096)/4
\arg WWDGT_CFG_PSC_DIV8: the time base of window watchdog counter = (PCLK1/4096)/8
\param[out] none
\retval none
*/
void wwdgt_config(uint16_t counter, uint16_t window, uint32_t prescaler)
{
uint32_t reg_cfg = 0U, reg_ctl = 0U;
/* clear WIN and PSC bits, clear CNT bit */
reg_cfg = (WWDGT_CFG & (~(WWDGT_CFG_WIN | WWDGT_CFG_PSC)));
reg_ctl = (WWDGT_CTL & (~WWDGT_CTL_CNT));
/* configure WIN and PSC bits, configure CNT bit */
reg_cfg |= CFG_WIN(window);
reg_cfg |= prescaler;
reg_ctl |= CTL_CNT(counter);
WWDGT_CTL = reg_ctl;
WWDGT_CFG = reg_cfg;
}
/*!
\brief enable early wakeup interrupt of WWDGT
\param[in] none
\param[out] none
\retval none
*/
void wwdgt_interrupt_enable(void)
{
WWDGT_CFG |= WWDGT_CFG_EWIE;
}
/*!
\brief check early wakeup interrupt state of WWDGT
\param[in] none
\param[out] none
\retval FlagStatus: SET or RESET
*/
FlagStatus wwdgt_flag_get(void)
{
if (RESET != (WWDGT_STAT & WWDGT_STAT_EWIF)) {
return SET;
}
return RESET;
}
/*!
\brief clear early wakeup interrupt state of WWDGT
\param[in] none
\param[out] none
\retval none
*/
void wwdgt_flag_clear(void)
{
WWDGT_STAT &= (~WWDGT_STAT_EWIF);
}

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targets/TARGET_GigaDevice/TARGET_GD32E10X/PeripheralPins.h Normal file
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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBED_PERIPHERALPINS_H
#define MBED_PERIPHERALPINS_H
#include "pinmap.h"
#include "PeripheralNames.h"
extern const int GD_GPIO_REMAP[];
extern const int GD_GPIO_MODE[];
extern const int GD_GPIO_SPEED[];
/* ADC */
#ifdef DEVICE_ANALOGIN
extern const PinMap PinMap_ADC[];
#endif
/* DAC */
#ifdef DEVICE_ANALOGOUT
extern const PinMap PinMap_DAC[];
#endif
/* I2C */
#if DEVICE_I2C
extern const PinMap PinMap_I2C_SDA[];
extern const PinMap PinMap_I2C_SCL[];
#endif
/* PWM */
#if DEVICE_PWMOUT
extern const PinMap PinMap_PWM[];
#endif
/* SERIAL */
#ifdef DEVICE_SERIAL
extern const PinMap PinMap_UART_TX[];
extern const PinMap PinMap_UART_RX[];
#ifdef DEVICE_SERIAL_FC
extern const PinMap PinMap_UART_RTS[];
extern const PinMap PinMap_UART_CTS[];
#endif
#endif
/* SPI */
#ifdef DEVICE_SPI
extern const PinMap PinMap_SPI_MOSI[];
extern const PinMap PinMap_SPI_MISO[];
extern const PinMap PinMap_SPI_SCLK[];
extern const PinMap PinMap_SPI_SSEL[];
#endif
/* CAN */
#ifdef DEVICE_CAN
extern const PinMap PinMap_CAN_RD[];
extern const PinMap PinMap_CAN_TD[];
#endif
#endif

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targets/TARGET_GigaDevice/TARGET_GD32E10X/PortNames.h Normal file
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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBED_PORTNAMES_H
#define MBED_PORTNAMES_H
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
PORTA = 0,
PORTB = 1,
PORTC = 2,
PORTD = 3,
PORTE = 4,
} PortName;
#ifdef __cplusplus
}
#endif
#endif

84
targets/TARGET_GigaDevice/TARGET_GD32E10X/TARGET_GD32E103VB/PeripheralNames.h Normal file
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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBED_PERIPHERALNAMES_H
#define MBED_PERIPHERALNAMES_H
#include "cmsis.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
ADC_0 = (int)ADC0,
ADC_1 = (int)ADC1
} ADCName;
typedef enum {
DAC_0 = (int)DAC,
} DACName;
typedef enum {
UART_0 = (int)USART0,
UART_1 = (int)USART1,
UART_2 = (int)USART2,
UART_3 = (int)UART3,
UART_4 = (int)UART4
} UARTName;
#define STDIO_UART_TX PORTA_2
#define STDIO_UART_RX PORTA_3
#define STDIO_UART UART_1
typedef enum {
SPI_0 = (int)SPI0,
SPI_1 = (int)SPI1,
SPI_2 = (int)SPI2
} SPIName;
typedef enum {
I2C_0 = (int)I2C0,
I2C_1 = (int)I2C1
} I2CName;
typedef enum {
PWM_0 = (int)TIMER0,
PWM_1 = (int)TIMER1,
PWM_2 = (int)TIMER2,
PWM_3 = (int)TIMER3,
PWM_4 = (int)TIMER4,
PWM_5 = (int)TIMER7,
PWM_6 = (int)TIMER8,
PWM_7 = (int)TIMER9,
PWM_8 = (int)TIMER10,
PWM_9 = (int)TIMER11,
PWM_10 = (int)TIMER12,
PWM_11 = (int)TIMER13
} PWMName;
typedef enum {
CAN_0 = (int)CAN0,
CAN_1 = (int)CAN1
} CANName;
#ifdef __cplusplus
}
#endif
#endif

316
targets/TARGET_GigaDevice/TARGET_GD32E10X/TARGET_GD32E103VB/PeripheralPins.c Normal file
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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "PeripheralPins.h"
/* void pin_function(PinName pin, int function);
configure the speed, mode,and remap function of pins
the parameter function contains the configuration information,show as below
bit 0:2 gpio mode
bit 3:8 remap
bit 9:10 gpio speed
bit 11:15 adc /timer channel
*/
const int GD_GPIO_REMAP[] = {
0x00000000,
GPIO_SPI0_REMAP, /* 1 */
GPIO_I2C0_REMAP, /* 2 */
GPIO_USART0_REMAP, /* 3 */
GPIO_USART1_REMAP, /* 4 */
GPIO_USART2_PARTIAL_REMAP, /* 5 */
GPIO_USART2_FULL_REMAP, /* 6 */
GPIO_TIMER0_PARTIAL_REMAP, /* 7 */
GPIO_TIMER0_FULL_REMAP, /* 8 */
GPIO_TIMER1_PARTIAL_REMAP0, /* 9 */
GPIO_TIMER1_PARTIAL_REMAP1, /* 10 */
GPIO_TIMER1_FULL_REMAP, /* 11 */
GPIO_TIMER2_PARTIAL_REMAP, /* 12 */
GPIO_TIMER2_FULL_REMAP, /* 13 */
GPIO_TIMER3_REMAP, /* 14 */
GPIO_PD01_REMAP, /* 15 */
GPIO_TIMER4CH3_IREMAP, /* 16 */
GPIO_ADC0_ETRGINS_REMAP, /* 17 */
GPIO_ADC0_ETRGREG_REMAP, /* 18 */
GPIO_ADC1_ETRGINS_REMAP, /* 19 */
GPIO_ADC1_ETRGREG_REMAP, /* 20 */
GPIO_SWJ_NONJTRST_REMAP, /* 21 */
GPIO_SWJ_SWDPENABLE_REMAP, /* 22 */
GPIO_SWJ_DISABLE_REMAP, /* 23 */
GPIO_CAN0_PARTIAL_REMAP, /* 24 */
GPIO_CAN0_FULL_REMAP, /* 25 */
GPIO_CAN1_REMAP, /* 26 */
GPIO_SPI2_REMAP, /* 27 */
GPIO_TIMER1ITR0_REMAP, /* 28 */
GPIO_TIMER8_REMAP, /* 29 */
GPIO_EXMC_NADV_REMAP, /* 30 */
GPIO_CTC_REMAP0, /* 31 */
};
/* GPIO MODE */
const int GD_GPIO_MODE[] = {
GPIO_MODE_AIN, /* 0 */
GPIO_MODE_IN_FLOATING, /* 1 */
GPIO_MODE_IPD, /* 2 */
GPIO_MODE_IPU, /* 3 */
GPIO_MODE_OUT_OD, /* 4 */
GPIO_MODE_OUT_PP, /* 5 */
GPIO_MODE_AF_OD, /* 6 */
GPIO_MODE_AF_PP, /* 7 */
};
/* GPIO SPEED */
const int GD_GPIO_SPEED[] = {
GPIO_OSPEED_50MHZ, /* 0 */
GPIO_OSPEED_10MHZ, /* 1 */
GPIO_OSPEED_2MHZ, /* 2 */
};
/* ADC PinMap */
const PinMap PinMap_ADC[] = {
{PORTA_0, ADC_0, 0 | (0 << 11)}, /* ADC0_IN0 */
{PORTA_1, ADC_0, 0 | (1 << 11)}, /* ADC0_IN1 */
{PORTA_2, ADC_0, 0 | (2 << 11)}, /* ADC0_IN2 */
{PORTA_3, ADC_0, 0 | (3 << 11)}, /* ADC0_IN3 */
{PORTA_4, ADC_0, 0 | (4 << 11)}, /* ADC0_IN4 */
{PORTA_5, ADC_0, 0 | (5 << 11)}, /* ADC0_IN5 */
{PORTA_6, ADC_0, 0 | (6 << 11)}, /* ADC0_IN6 */
{PORTA_7, ADC_0, 0 | (7 << 11)}, /* ADC0_IN7 */
{PORTB_0, ADC_0, 0 | (8 << 11)}, /* ADC0_IN8 */
{PORTB_1, ADC_0, 0 | (9 << 11)}, /* ADC0_IN9 */
{PORTC_0, ADC_0, 0 | (10 << 11)}, /* ADC0_IN10 */
{PORTC_1, ADC_0, 0 | (11 << 11)}, /* ADC0_IN11 */
{PORTC_2, ADC_0, 0 | (12 << 11)}, /* ADC0_IN12 */
{PORTC_3, ADC_0, 0 | (13 << 11)}, /* ADC0_IN13 */
{PORTC_4, ADC_0, 0 | (14 << 11)}, /* ADC0_IN14 */
{PORTC_5, ADC_0, 0 | (15 << 11)}, /* ADC0_IN15 */
{ADC_TEMP, ADC_0, 0 | (16 << 11)}, /* ADC0_IN16 */
{ADC_VREF, ADC_0, 0 | (17 << 11)}, /* ADC0_IN17 */
{PORTA_0_MUL0, ADC_1, 0 | (0 << 11)}, /* ADC1_IN0 */
{PORTA_1_MUL0, ADC_1, 0 | (1 << 11)}, /* ADC1_IN1 */
{PORTA_2_MUL0, ADC_1, 0 | (2 << 11)}, /* ADC1_IN2 */
{PORTA_3_MUL0, ADC_1, 0 | (3 << 11)}, /* ADC1_IN3 */
{PORTA_4_MUL0, ADC_1, 0 | (4 << 11)}, /* ADC1_IN4 */
{PORTA_5_MUL0, ADC_1, 0 | (5 << 11)}, /* ADC1_IN5 */
{PORTA_6_MUL0, ADC_1, 0 | (6 << 11)}, /* ADC1_IN6 */
{PORTA_7_MUL0, ADC_1, 0 | (7 << 11)}, /* ADC1_IN7 */
{PORTB_0_MUL0, ADC_1, 0 | (8 << 11)}, /* ADC1_IN8 */
{PORTB_1_MUL0, ADC_1, 0 | (9 << 11)}, /* ADC1_IN9 */
{PORTC_0_MUL0, ADC_1, 0 | (10 << 11)}, /* ADC1_IN10 */
{PORTC_1_MUL0, ADC_1, 0 | (11 << 11)}, /* ADC1_IN11 */
{PORTC_2_MUL0, ADC_1, 0 | (12 << 11)}, /* ADC1_IN12 */
{PORTC_3_MUL0, ADC_1, 0 | (13 << 11)}, /* ADC1_IN13 */
{PORTC_4_MUL0, ADC_1, 0 | (14 << 11)}, /* ADC1_IN14 */
{PORTC_5_MUL0, ADC_1, 0 | (15 << 11)}, /* ADC1_IN15 */
{NC, NC, 0}
};
/* DAC PinMap */
const PinMap PinMap_DAC[] = {
{PORTA_4, DAC_0, 0 | (0 << 11)}, /* DAC_OUT0 */
{PORTA_5, DAC_0, 0 | (1 << 11)}, /* DAC_OUT1 */
{NC, NC, 0}
};
/* I2C PinMap */
const PinMap PinMap_I2C_SDA[] = {
{PORTB_7, I2C_0, 6},
{PORTB_9, I2C_0, 6 | (2 << 3)}, /* GPIO_I2C0_REMAP */
{PORTB_11, I2C_1, 6},
{NC, NC, 0}
};
const PinMap PinMap_I2C_SCL[] = {
{PORTB_6, I2C_0, 6},
{PORTB_8, I2C_0, 6 | (2 << 3)}, /* GPIO_I2C0_REMAP */
{PORTB_10, I2C_1, 6},
{NC, NC, 0}
};
/* PWM PinMap */
const PinMap PinMap_PWM[] = {
{PORTA_8, PWM_0, 7 | (0 << 11)}, /* TIMER0_CH0 - Default */
{PORTA_9, PWM_0, 7 | (1 << 11)}, /* TIMER0_CH1 - Default */
{PORTA_10, PWM_0, 7 | (2 << 11)}, /* TIMER0_CH2 - Default */
{PORTA_11, PWM_0, 7 | (3 << 11)}, /* TIMER0_CH3 - Default */
{PORTE_9, PWM_0, 7 | (8 << 3) | (0 << 11)}, /* TIMER0_CH0 - GPIO_TIMER0_FULL_REMAP */
{PORTE_11, PWM_0, 7 | (8 << 3) | (1 << 11)}, /* TIMER0_CH1 - GPIO_TIMER0_FULL_REMAP */
{PORTE_13, PWM_0, 7 | (8 << 3) | (2 << 11)}, /* TIMER0_CH2 - GPIO_TIMER0_FULL_REMAP */
{PORTE_14, PWM_0, 7 | (8 << 3) | (3 << 11)}, /* TIMER0_CH3 - GPIO_TIMER0_FULL_REMAP */
{PORTA_0, PWM_1, 7 | (0 << 11)}, /* TIMER1_CH0_ETI - Default */
{PORTA_1, PWM_1, 7 | (1 << 11)}, /* TIMER1_CH1_ETI - Default */
{PORTA_2, PWM_1, 7 | (2 << 11)}, /* TIMER1_CH2_ETI - Default */
{PORTA_3, PWM_1, 7 | (3 << 11)}, /* TIMER1_CH3_ETI - Default */
{PORTA_15, PWM_1, 7 | (9 << 3) | (0 << 11)}, /* TIMER1_CH0_ETI- GPIO_TIMER1_PARTIAL_REMAP0 */
{PORTB_3, PWM_1, 7 | (9 << 3) | (1 << 11)}, /* TIMER1_CH1 - GPIO_TIMER1_PARTIAL_REMAP0 */
{PORTB_10, PWM_1, 7 | (10 << 3) | (2 << 11)}, /* TIMER1_CH2 - GPIO_TIMER1_PARTIAL_REMAP1 */
{PORTB_11, PWM_1, 7 | (10 << 3) | (3 << 11)}, /* TIMER1_CH3 - GPIO_TIMER1_PARTIAL_REMAP1 */
{PORTA_15, PWM_1, 7 | (11 << 3) | (0 << 11)}, /* TIMER1_CH0_ETI - GPIO_TIMER1_FULL_REMAP */
{PORTB_3, PWM_1, 7 | (11 << 3) | (1 << 11)}, /* TIMER1_CH1 - GPIO_TIMER1_FULL_REMAP */
{PORTB_10, PWM_1, 7 | (11 << 3) | (2 << 11)}, /* TIMER1_CH2 - GPIO_TIMER1_FULL_REMAP */
{PORTB_11, PWM_1, 7 | (11 << 3) | (3 << 11)}, /* TIMER1_CH3 - GPIO_TIMER1_FULL_REMAP */
{PORTA_6, PWM_2, 7 | (0 << 11)}, /* TIMER2_CH0 - Default */
{PORTA_7, PWM_2, 7 | (1 << 11)}, /* TIMER2_CH1 - Default */
{PORTB_0, PWM_2, 7 | (2 << 11)}, /* TIMER2_CH2 - Default */
{PORTB_1, PWM_2, 7 | (3 << 11)}, /* TIMER2_CH3 - Default */
{PORTB_4, PWM_2, 7 | (12 << 3) | (0 << 11)}, /* TIMER2_CH0 - GPIO_TIMER2_PARTIAL_REMAP */
{PORTB_5, PWM_2, 7 | (12 << 3) | (1 << 11)}, /* TIMER2_CH1 - GPIO_TIMER2_PARTIAL_REMAP */
{PORTC_6, PWM_2, 7 | (13 << 3) | (0 << 11)}, /* TIMER2_CH0 - GPIO_TIMER2_FULL_REMAP */
{PORTC_7, PWM_2, 7 | (13 << 3) | (1 << 11)}, /* TIMER2_CH1 - GPIO_TIMER2_FULL_REMAP */
{PORTC_8, PWM_2, 7 | (13 << 3) | (2 << 11)}, /* TIMER2_CH2 - GPIO_TIMER2_FULL_REMAP */
{PORTC_9, PWM_2, 7 | (13 << 3) | (3 << 11)}, /* TIMER2_CH3 - GPIO_TIMER2_FULL_REMAP */
{PORTB_6, PWM_3, 7 | (0 << 11)}, /* TIMER3_CH0 - Default */
{PORTB_7, PWM_3, 7 | (1 << 11)}, /* TIMER3_CH1 - Default */
{PORTB_8, PWM_3, 7 | (2 << 11)}, /* TIMER3_CH2 - Default */
{PORTB_9, PWM_3, 7 | (3 << 11)}, /* TIMER3_CH3 - Default */
{PORTD_12, PWM_3, 7 | (14 << 3) | (0 << 11)}, /* TIMER3_CH0 - GPIO_TIMER3_REMAP */
{PORTD_13, PWM_3, 7 | (14 << 3) | (1 << 11)}, /* TIMER3_CH1 - GPIO_TIMER3_REMAP */
{PORTD_14, PWM_3, 7 | (14 << 3) | (2 << 11)}, /* TIMER3_CH2 - GPIO_TIMER3_REMAP */
{PORTD_15, PWM_3, 7 | (14 << 3) | (3 << 11)}, /* TIMER3_CH3 - GPIO_TIMER3_REMAP */
{PORTA_0_MUL0, PWM_4, 7 | (0 << 11)}, /* TIMER4_CH0 - Default */
{PORTA_1_MUL0, PWM_4, 7 | (1 << 11)}, /* TIMER4_CH1 - Default */
{PORTA_2_MUL0, PWM_4, 7 | (2 << 11)}, /* TIMER4_CH2 - Default */
{PORTA_3_MUL0, PWM_4, 7 | (3 << 11)}, /* TIMER4_CH3 - Default */
{PORTC_6_MUL0, PWM_5, 7 | (0 << 11)}, /* TIMER7_CH0 - Default */
{PORTC_7_MUL0, PWM_5, 7 | (1 << 11)}, /* TIMER7_CH1 - Default */
{PORTC_8_MUL0, PWM_5, 7 | (2 << 11)}, /* TIMER7_CH2 - Default */
{PORTC_9_MUL0, PWM_5, 7 | (3 << 11)}, /* TIMER7_CH3 - Default */
{PORTA_2_MUL1, PWM_6, 7 | (0 << 11)}, /* TIMER8_CH0 - Default */
{PORTA_3_MUL1, PWM_6, 7 | (1 << 11)}, /* TIMER8_CH1 - Default */
{PORTE_5, PWM_6, 7 | (29 << 3) | (0 << 11)}, /* TIMER8_CH0 - GPIO_TIMER8_REMAP */
{PORTE_6, PWM_6, 7 | (29 << 3) | (1 << 11)}, /* TIMER8_CH1 - GPIO_TIMER8_REMAP */
{PORTB_8_MUL0, PWM_7, 7 | (0 << 11)}, /* TIMER9_CH0 - Default */
{PORTB_9_MUL0, PWM_8, 7 | (0 << 11)}, /* TIMER10_CH0 - Default */
{PORTB_14, PWM_9, 7 | (0 << 11)}, /* TIMER11_CH0 - Default */
{PORTB_15, PWM_9, 7 | (1 << 11)}, /* TIMER11_CH1 - Default */
{PORTA_6_MUL0, PWM_10, 7 | (0 << 11)}, /* TIMER12_CH0 - Default */
{PORTA_7_MUL0, PWM_11, 7 | (0 << 11)}, /* TIMER13_CH0 - Default */
{NC, NC, 0}
};
/* USART PinMap */
const PinMap PinMap_UART_TX[] = {
{PORTA_9, UART_0, 7},
{PORTB_6, UART_0, 7 | (3 << 3)}, /* GPIO_USART0_TX_REMAP */
{PORTA_2, UART_1, 7},
{PORTD_5, UART_1, 7 | (4 << 3)}, /* GPIO_USART1_TX_REMAP */
{PORTB_10, UART_2, 7},
{PORTC_10, UART_2, 7 | (5 << 3)}, /* GPIO_USART2_TX_PARTIAL_REMAP */
{PORTD_8, UART_2, 7 | (6 << 3)}, /* GPIO_USART2_TX_FULL_REMAP */
{PORTC_10_MUL0, UART_3, 7},
{PORTC_12, UART_4, 7},
{NC, NC, 0}
};
const PinMap PinMap_UART_RX[] = {
{PORTA_10, UART_0, 1},
{PORTB_7, UART_0, 1 | (3 << 3)}, /* GPIO_USART0_RX_REMAP */
{PORTA_3, UART_1, 1},
{PORTD_6, UART_1, 1 | (4 << 3)}, /* GPIO_USART1_RX_REMAP */
{PORTB_11, UART_2, 1},
{PORTC_11, UART_2, 1 | (5 << 3)}, /* GPIO_USART2_RX_PARTIAL_REMAP */
{PORTD_9, UART_2, 1 | (6 << 3)}, /* GPIO_USART2_RX_FULL_REMAP */
{PORTC_11_MUL0, UART_3, 1},
{PORTD_2, UART_4, 1},
{NC, NC, 0}
};
const PinMap PinMap_UART_RTS[] = {
{PORTA_12, UART_0, 7},
{PORTA_1, UART_1, 7},
{PORTD_4, UART_1, 7 | (4 << 3)}, /* GPIO_USART1_RTS_REMAP */
{PORTB_14, UART_2, 7},
{PORTD_12, UART_2, 7 | (6 << 3)}, /* GPIO_USART2_RTS_FULL_REMAP */
{NC, NC, 0}
};
const PinMap PinMap_UART_CTS[] = {
{PORTA_11, UART_0, 7},
{PORTA_0, UART_1, 7},
{PORTD_3, UART_1, 7 | (4 << 3)}, /* GPIO_USART1_CTS_REMAP */
{PORTB_13, UART_2, 7},
{PORTD_11, UART_2, 7 | (6 << 3)}, /* GPIO_USART2_CTS_FULL_REMAP */
{NC, NC, 0}
};
/* SPI PinMap */
const PinMap PinMap_SPI_MOSI[] = {
{PORTA_7, SPI_0, 7},
{PORTB_5, SPI_0, 7 | (1 << 3)}, /* GPIO_SPI0_REMAP */
{PORTB_15, SPI_1, 7},
{PORTC_12, SPI_2, 7 | (27 << 3)}, /* GPIO_SPI2_REMAP */
{NC, NC, 0}
};
const PinMap PinMap_SPI_MISO[] = {
{PORTA_6, SPI_0, 7},
{PORTB_4, SPI_0, 7 | (1 << 3)}, /* GPIO_SPI0_REMAP */
{PORTB_14, SPI_1, 7},
{PORTC_11, SPI_2, 7 | (27 << 3)}, /* GPIO_SPI2_REMAP */
{NC, NC, 0}
};
const PinMap PinMap_SPI_SCLK[] = {
{PORTA_5, SPI_0, 7},
{PORTB_3, SPI_0, 7 | (1 << 3)}, /* GPIO_SPI0_REMAP */
{PORTB_13, SPI_1, 7},
{PORTC_10, SPI_2, 7 | (27 << 3)}, /* GPIO_SPI2_REMAP */
{NC, NC, 0}
};
const PinMap PinMap_SPI_SSEL[] = {
{PORTA_4, SPI_0, 7},
{PORTA_15, SPI_0, 7 | (1 << 3)}, /* GPIO_SPI0_REMAP */
{PORTB_12, SPI_1, 7},
{PORTA_4_MUL0, SPI_2, 7 | (27 << 3)}, /* GPIO_SPI2_REMAP */
{NC, NC, 0}
};
/* CAN PinMap */
const PinMap PinMap_CAN_RD[] = {
{PORTA_11, CAN_0, 3},
{PORTB_8, CAN_0, 3 | (24 << 3)}, /* GPIO_CAN0_PARTIAL_REMAP */
{PORTD_0, CAN_0, 3 | (25 << 3)}, /* GPIO_CAN0_FULL_REMAP */
{PORTB_12, CAN_1, 3},
{PORTB_5, CAN_1, 3 | (26 << 3)}, /* GPIO_CAN1_REMAP */
{NC, NC, 0}
};
const PinMap PinMap_CAN_TD[] = {
{PORTA_12, CAN_0, 7},
{PORTB_9, CAN_0, 7 | (24 << 3)}, /* GPIO_CAN0_PARTIAL_REMAP */
{PORTD_1, CAN_0, 7 | (25 << 3)}, /* GPIO_CAN0_FULL_REMAP */
{PORTB_13, CAN_1, 7},
{PORTB_6, CAN_1, 7 | (26 << 3)}, /* GPIO_CAN1_REMAP */
{NC, NC, 0}
};

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBED_PINNAMES_H
#define MBED_PINNAMES_H
#include "cmsis.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Multiplex GPIO flag*/
typedef enum {
MUL0 = 0x100,
MUL1 = 0x200,
MUL2 = 0x300,
MUL3 = 0x400
} MULx;
typedef enum {
PORTA_0 = 0x00,
PORTA_0_MUL0 = PORTA_0 | MUL0,
PORTA_1 = 0x01,
PORTA_1_MUL0 = PORTA_1 | MUL0,
PORTA_2 = 0x02,
PORTA_2_MUL0 = PORTA_2 | MUL0,
PORTA_2_MUL1 = PORTA_2 | MUL1,
PORTA_3 = 0x03,
PORTA_3_MUL0 = PORTA_3 | MUL0,
PORTA_3_MUL1 = PORTA_3 | MUL1,
PORTA_4 = 0x04,
PORTA_4_MUL0 = PORTA_4 | MUL0,
PORTA_4_MUL1 = PORTA_4 | MUL1,
PORTA_5 = 0x05,
PORTA_5_MUL0 = PORTA_5 | MUL0,
PORTA_6 = 0x06,
PORTA_6_MUL0 = PORTA_6 | MUL0,
PORTA_7 = 0x07,
PORTA_7_MUL0 = PORTA_7 | MUL0,
PORTA_8 = 0x08,
PORTA_9 = 0x09,
PORTA_10 = 0x0A,
PORTA_11 = 0x0B,
PORTA_12 = 0x0C,
PORTA_13 = 0x0D,
PORTA_14 = 0x0E,
PORTA_15 = 0x0F,
PORTB_0 = 0x10,
PORTB_0_MUL0 = PORTB_0 | MUL0,
PORTB_1 = 0x11,
PORTB_1_MUL0 = PORTB_1 | MUL0,
PORTB_2 = 0x12,
PORTB_3 = 0x13,
PORTB_4 = 0x14,
PORTB_5 = 0x15,
PORTB_6 = 0x16,
PORTB_7 = 0x17,
PORTB_8 = 0x18,
PORTB_8_MUL0 = PORTB_8 | MUL0,
PORTB_9 = 0x19,
PORTB_9_MUL0 = PORTB_9 | MUL0,
PORTB_10 = 0x1A,
PORTB_11 = 0x1B,
PORTB_12 = 0x1C,
PORTB_13 = 0x1D,
PORTB_14 = 0x1E,
PORTB_15 = 0x1F,
PORTC_0 = 0x20,
PORTC_0_MUL0 = PORTC_0 | MUL0,
PORTC_1 = 0x21,
PORTC_1_MUL0 = PORTC_1 | MUL0,
PORTC_2 = 0x22,
PORTC_2_MUL0 = PORTC_2 | MUL0,
PORTC_3 = 0x23,
PORTC_3_MUL0 = PORTC_3 | MUL0,
PORTC_4 = 0x24,
PORTC_4_MUL0 = PORTC_4 | MUL0,
PORTC_5 = 0x25,
PORTC_5_MUL0 = PORTC_5 | MUL0,
PORTC_6 = 0x26,
PORTC_6_MUL0 = PORTC_6 | MUL0,
PORTC_7 = 0x27,
PORTC_7_MUL0 = PORTC_7 | MUL0,
PORTC_8 = 0x28,
PORTC_8_MUL0 = PORTC_8 | MUL0,
PORTC_9 = 0x29,
PORTC_9_MUL0 = PORTC_9 | MUL0,
PORTC_10 = 0x2A,
PORTC_10_MUL0 = PORTC_10 | MUL0,
PORTC_11 = 0x2B,
PORTC_11_MUL0 = PORTC_11 | MUL0,
PORTC_12 = 0x2C,
PORTC_13 = 0x2D,
PORTC_14 = 0x2E,
PORTC_15 = 0x2F,
PORTD_0 = 0x30,
PORTD_1 = 0x31,
PORTD_2 = 0x32,
PORTD_3 = 0x33,
PORTD_4 = 0x34,
PORTD_5 = 0x35,
PORTD_6 = 0x36,
PORTD_7 = 0x37,
PORTD_8 = 0x38,
PORTD_9 = 0x39,
PORTD_10 = 0x3A,
PORTD_11 = 0x3B,
PORTD_12 = 0x3C,
PORTD_13 = 0x3D,
PORTD_14 = 0x3E,
PORTD_15 = 0x3F,
PORTE_0 = 0x40,
PORTE_1 = 0x41,
PORTE_2 = 0x42,
PORTE_3 = 0x43,
PORTE_4 = 0x44,
PORTE_5 = 0x45,
PORTE_6 = 0x46,
PORTE_7 = 0x47,
PORTE_8 = 0x48,
PORTE_9 = 0x49,
PORTE_10 = 0x4A,
PORTE_11 = 0x4B,
PORTE_12 = 0x4C,
PORTE_13 = 0x4D,
PORTE_14 = 0x4E,
PORTE_15 = 0x4F,
/* ADC internal channels */
ADC_TEMP = 0xF0,
ADC_VREF = 0xF1,
/* Arduino connector namings */
A0 = PORTC_0,
A1 = PORTC_1,
A2 = PORTC_2,
A3 = PORTC_3,
A4 = PORTC_4,
A5 = PORTC_5,
D0 = PORTC_11,
D1 = PORTC_10,
D2 = PORTB_12,
D3 = PORTD_12,
D4 = PORTC_8,
D5 = PORTC_7,
D6 = PORTB_0,
D7 = PORTC_12,
D8 = PORTD_13,
D9 = PORTA_8,
D10 = PORTA_1,
D11 = PORTB_15,
D12 = PORTB_14,
D13 = PORTB_13,
D14 = PORTB_9,
D15 = PORTB_8,
LED1 = PORTA_0,
LED2 = PORTB_1,
LED3 = PORTE_6,
KEY1 = PORTE_0,
KEY2 = PORTE_1,
BUTTON1 = KEY1,
BUTTON2 = KEY2,
SERIAL_TX = PORTA_2,
SERIAL_RX = PORTA_3,
USBTX = SERIAL_TX,
USBRX = SERIAL_RX,
I2C_SCL = D15,
I2C_SDA = D14,
SPI_MOSI = D11,
SPI_MISO = D12,
SPI_SCK = D13,
SPI_CS = D10,
PWM_OUT = D9,
USB_FS_DM = PORTA_11,
USB_FS_DP = PORTA_12,
USB_FS_ID = PORTA_10,
USB_FS_VBUS = PORTA_9,
NC = (int)0xFFFFFFFF
} PinName;
/* BIT[7:4] port number (0=PORTA, 1=PORTB, 2=PORTC, 3=PORTD, 4=PORTE)
BIT[3:0] pin number */
#define GD_PORT_GET(X) (((uint32_t)(X) >> 4) & 0xF)
#define GD_PIN_GET(X) (((uint32_t)(X) & 0xF))
/* Get mode,speed,remap function,channel of GPIO pin */
#define GD_PIN_MODE_GET(X) (X & 0x07)
#define GD_PIN_SPEED_GET(X) ((X >> 9) & 0x03)
#define GD_PIN_REMAP_GET(X) ((X >> 3) & 0x3F)
#define GD_PIN_CHANNEL_GET(X) ((X >> 11) & 0x1F)
/* Defines GPIO pin direction */
typedef enum {
PIN_INPUT = 0,
PIN_OUTPUT
} PinDirection;
/* Defines mode types of GPIO pin */
typedef enum {
MODE_AIN = 0,
MODE_IN_FLOATING,
MODE_IPD,
MODE_IPU,
MODE_OUT_OD,
MODE_OUT_PP,
MODE_AF_OD,
MODE_AF_PP,
PullDefault = MODE_IN_FLOATING,
PullUp = MODE_IPU,
PullDown = MODE_IPD,
PullNone = 11
} PinMode;
#ifdef __cplusplus
}
#endif
#endif

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mbed_assert.h"
#include "analogin_api.h"
#if DEVICE_ANALOGIN
#include "cmsis.h"
#include "pinmap.h"
#include "PeripheralPins.h"
#include "mbed_error.h"
#define DEV_ADC_ACCURACY_12BIT 0xFFF
#define DEV_ADC_PRECISION_12TO16(val) ((val << 4)| ((val >> 8) & (uint16_t)0x000F))
#define AND_NUMBER (0xFF)
FlagStatus temperature_sample_flag = RESET;
/** software delay
*
* @param time The time need to delay
*/
static void _delay(uint16_t time)
{
uint16_t i;
for (i = 0; i < time; i++) {
}
}
/** Initialize the analogin peripheral
*
* Configures the pin used by analogin.
* @param obj The analogin object to initialize
* @param pin The analogin pin name
*/
void analogin_init(analogin_t *obj, PinName pin)
{
uint32_t periph;
MBED_ASSERT(obj);
obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC);
MBED_ASSERT(obj->adc != (ADCName)NC);
uint32_t function = pinmap_function(pin, PinMap_ADC);
MBED_ASSERT(function != (uint32_t)NC);
obj->channel = GD_PIN_CHANNEL_GET(function);
MBED_ASSERT(obj->channel <= ADC_CHANNEL_17);
periph = obj->adc;
/* save the pin for future use */
obj->pin = pin;
/* ADC clock enable and pin number reset */
switch (periph) {
case ADC0:
rcu_periph_clock_enable(RCU_ADC0);
break;
case ADC1:
rcu_periph_clock_enable(RCU_ADC1);
/* reset pin number */
pin = (PinName)(pin & AND_NUMBER);
break;
}
/* ADC clock cannot be greater than 40M */
rcu_adc_clock_config(RCU_CKADC_CKAPB2_DIV4);
if ((ADC_CHANNEL_16 == obj->channel)) {
/* ADC Vrefint enable */
adc_tempsensor_vrefint_enable();
/* set temperature sample flag */
temperature_sample_flag = SET;
}
if ((ADC_CHANNEL_17 == obj->channel)) {
/* ADC Vrefint enable */
adc_tempsensor_vrefint_enable();
}
/* when pin >= ADC_TEMP, it indicates that the channel has no external pins */
if (pin < ADC_TEMP) {
pinmap_pinout(pin, PinMap_ADC);
}
/* ADC configuration */
adc_special_function_config(obj->adc, ADC_SCAN_MODE, DISABLE);
adc_special_function_config(obj->adc, ADC_CONTINUOUS_MODE, DISABLE);
/* ADC trigger config */
adc_external_trigger_source_config(obj->adc, ADC_REGULAR_CHANNEL, ADC0_1_EXTTRIG_REGULAR_NONE);
/* ADC mode config */
adc_mode_config(ADC_MODE_FREE);
/* ADC data alignment config */
adc_data_alignment_config(obj->adc, ADC_DATAALIGN_RIGHT);
/* ADC channel length config */
adc_channel_length_config(obj->adc, ADC_REGULAR_CHANNEL, 1);
if (temperature_sample_flag == SET) {
/* sample temperature needs more time */
adc_regular_channel_config(obj->adc, 0, obj->channel, ADC_SAMPLETIME_239POINT5);
/* clear temperature sample flag */
temperature_sample_flag = RESET;
} else {
adc_regular_channel_config(obj->adc, 0, obj->channel, ADC_SAMPLETIME_28POINT5);
}
adc_external_trigger_config(obj->adc, ADC_REGULAR_CHANNEL, ENABLE);
/* ADC enable */
adc_enable(obj->adc);
/* wait for ADC to stabilize */
_delay(500);
adc_calibration_enable(obj->adc);
}
/** Read the value from analogin pin, represented as an unsigned 16bit value
*
* @param obj The analogin object
* @return An unsigned 16bit value representing the current input voltage
*/
uint16_t analogin_read_u16(analogin_t *obj)
{
uint16_t reval;
adc_flag_clear(obj->adc, ADC_FLAG_EOC);
/* start Conversion */
adc_software_trigger_enable(obj->adc, ADC_REGULAR_CHANNEL);
while (SET != adc_flag_get(obj->adc, ADC_FLAG_EOC)) {
}
/* ADC actual accuracy is 12 bits */
reval = adc_regular_data_read(obj->adc);
reval = DEV_ADC_PRECISION_12TO16(reval);
return reval;
}
/** Read the input voltage, represented as a float in the range [0.0, 1.0]
*
* @param obj The analogin object
* @return A floating value representing the current input voltage
*/
float analogin_read(analogin_t *obj)
{
uint16_t reval;
adc_flag_clear(obj->adc, ADC_FLAG_EOC);
/* start Conversion */
adc_software_trigger_enable(obj->adc, ADC_REGULAR_CHANNEL);
/* wait for conversion to complete */
while (SET != adc_flag_get(obj->adc, ADC_FLAG_EOC)) {
}
/* ADC actual accuracy is 12 bits */
reval = adc_regular_data_read(obj->adc);
return (float)reval * (1.0f / (float)DEV_ADC_ACCURACY_12BIT);
}
#endif /* DEVICE_ANALOGIN */

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "analogout_api.h"
#include "mbed_assert.h"
#if DEVICE_ANALOGOUT
#include "cmsis.h"
#include "pinmap.h"
#include "mbed_error.h"
#include "PeripheralPins.h"
/* 12bit */
#define DEV_DAC_ACCURACY_12BIT (0xFFF)
#define DEV_DAC_BITS (12)
/** Initialize the analogout peripheral
*
* Configures the pin used by analogout.
* @param obj The analogout object to initialize
* @param pin The analogout pin name
*/
void analogout_init(dac_t *obj, PinName pin)
{
/* get the peripheral name from the pin and assign it to the object */
obj->dac = (DACName)pinmap_peripheral(pin, PinMap_DAC);
MBED_ASSERT(obj->dac != (DACName)NC);
/* get the pin function and assign the used channel to the object */
uint32_t function = pinmap_function(pin, PinMap_DAC);
MBED_ASSERT(function != (uint32_t)NC);
obj->channel = GD_PIN_CHANNEL_GET(function);
MBED_ASSERT(obj->channel <= DAC1);
/* configure GPIO */
pinmap_pinout(pin, PinMap_DAC);
/* save the pin for future use */
obj->pin = pin;
/* enable DAC clock */
rcu_periph_clock_enable(RCU_DAC);
/* configure DAC */
dac_wave_mode_config(obj->channel, DAC_WAVE_DISABLE);
dac_trigger_disable(obj->channel);
dac_output_buffer_enable(obj->channel);
analogout_write_u16(obj, 0);
}
/** Release the analogout object
*
* Note: This is not currently used in the mbed-drivers
* @param obj The analogout object
*/
void analogout_free(dac_t *obj)
{
/* Reset DAC and disable clock */
dac_deinit();
rcu_periph_clock_disable(RCU_DAC);
/* configure GPIO */
/* get the pin function and assign the used channel to the object */
uint32_t function = pinmap_function(obj->pin, PinMap_DAC);
MBED_ASSERT(function != (uint32_t)NC);
pin_function(obj->pin, function);
}
/** set the output voltage with specified as a integer
*
* @param obj The analogin object
* @param value The integer-point output voltage to be set
*/
static inline void dev_dac_data_set(dac_t *obj, int value)
{
dac_data_set(obj->channel, DAC_ALIGN_12B_R, (value & DEV_DAC_ACCURACY_12BIT));
dac_enable(obj->channel);
dac_software_trigger_enable(obj->channel);
}
/** get the current DAC data
*
* @param obj The analogin object
* @return DAC data
*/
static inline int dev_dac_data_get(dac_t *obj)
{
return (int)dac_output_value_get(obj->channel);
}
/** Set the output voltage, specified as a percentage (float)
*
* @param obj The analogin object
* @param value The floating-point output voltage to be set
*/
void analogout_write(dac_t *obj, float value)
{
if (value < 0.0f) {
/* when the value is less than 0.0, set DAC output date to 0 */
dev_dac_data_set(obj, 0);
} else if (value > 1.0f) {
/* when the value is more than 1.0, set DAC output date to 0xFFF */
dev_dac_data_set(obj, (int)DEV_DAC_ACCURACY_12BIT);
} else {
dev_dac_data_set(obj, (int)(value * (float)DEV_DAC_ACCURACY_12BIT));
}
}
/** Set the output voltage, specified as unsigned 16-bit
*
* @param obj The analogin object
* @param value The unsigned 16-bit output voltage to be set
*/
void analogout_write_u16(dac_t *obj, uint16_t value)
{
dev_dac_data_set(obj, value >> (16 - DEV_DAC_BITS));
}
/** Read the current voltage value on the pin
*
* @param obj The analogin object
* @return A floating-point value representing the current voltage on the pin,
* measured as a percentage
*/
float analogout_read(dac_t *obj)
{
uint32_t ret_val = dev_dac_data_get(obj);
return (float)ret_val * (1.0f / (float)DEV_DAC_ACCURACY_12BIT);
}
/** Read the current voltage value on the pin, as a normalized unsigned 16bit value
*
* @param obj The analogin object
* @return An unsigned 16-bit value representing the current voltage on the pin
*/
uint16_t analogout_read_u16(dac_t *obj)
{
uint32_t ret_val = dev_dac_data_get(obj);
return (ret_val << 4) | ((ret_val >> 8) & 0x000F);
}
#endif /* DEVICE_ANALOGOUT */

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "can_api.h"
#include "pinmap.h"
#include "PeripheralPins.h"
#include "mbed_error.h"
#if DEVICE_CAN
/* BS1[3:0] + 1 + BS2[2:0] + 1 */
#define DEV_CAN_BT_SEG_MAX 24
#define DEV_CAN_BT_SEG_MIN 4
/* CAN related register mask */
#define DEV_CAN_BS1_MASK 0x000F0000
#define DEV_CAN_BS2_MASK 0x00700000
#define DEV_CAN_BAUDPSC_MASK 0x000003FF
#define DEV_CAN_SJW_MASK 0x03000000
/* CAN0 interrupt vector number */
#define CAN0_IRQ_BASE_NUM 19
/* CAN1 interrupt vector number */
#define CAN1_IRQ_BASE_NUM 63
static uint32_t can_irq_ids[2] = {0};
static can_irq_handler irq_callback;
/** CAN interrupt handle .
*
* @param can_periph CAN0 or CAN1.
* @param id the CANx index .
*/
static void dev_can_irq_handle(uint32_t periph, int id)
{
uint32_t flag0 = 0, flag1 = 0, flag2 = 0;
flag0 = can_interrupt_flag_get(periph, CAN_INT_FLAG_MTF0);
flag1 = can_interrupt_flag_get(periph, CAN_INT_FLAG_MTF1);
flag2 = can_interrupt_flag_get(periph, CAN_INT_FLAG_MTF2);
if (flag0) {
can_flag_clear(periph, CAN_FLAG_MTF0);
}
if (flag1) {
can_flag_clear(periph, CAN_FLAG_MTF1);
}
if (flag2) {
can_flag_clear(periph, CAN_FLAG_MTF2);
}
/* CAN transmit complete interrupt handle */
if (flag0 || flag1 || flag2) {
irq_callback(can_irq_ids[id], IRQ_TX);
}
/* CAN receive complete interrupt handle */
if (CAN_INTEN_RFNEIE0 == (CAN_INTEN(periph) & CAN_INTEN_RFNEIE0)) {
if (0 != can_receive_message_length_get(periph, CAN_FIFO0)) {
irq_callback(can_irq_ids[id], IRQ_RX);
}
}
/* CAN error interrupt handle */
if (SET == can_interrupt_flag_get(periph, CAN_INT_FLAG_ERRIF)) {
/* passive error interrupt handle */
if (CAN_INTEN_PERRIE == (CAN_INTEN(periph) & CAN_INTEN_PERRIE)) {
if (SET == can_flag_get(periph, CAN_FLAG_PERR)) {
irq_callback(can_irq_ids[id], IRQ_PASSIVE);
}
}
/* bus-off interrupt handle */
if (CAN_INTEN_BOIE == (CAN_INTEN(periph) & CAN_INTEN_BOIE)) {
if (SET == can_flag_get(periph, CAN_FLAG_BOERR)) {
irq_callback(can_irq_ids[id], IRQ_BUS);
}
}
irq_callback(can_irq_ids[id], IRQ_ERROR);
}
}
/** CAN1 Interrupt Request entry .
*
*/
static void dev_can0_irq_entry(void)
{
dev_can_irq_handle(CAN0, 0);
}
/** CAN1 Interrupt Request entry .
*
*/
static void dev_can1_irq_entry(void)
{
dev_can_irq_handle(CAN1, 1);
}
/** Config the CAN mode .
*
* @param can_periph CAN0 or CAN1.
* @param mode the mode to be set.
*/
static void dev_can_mode_config(uint32_t can_periph, uint32_t mode)
{
/* enter the initialization mode, only in initialization mode CAN register can be configured */
can_working_mode_set(can_periph, CAN_MODE_INITIALIZE);
CAN_BT(can_periph) &= ~BT_MODE(3);
CAN_BT(can_periph) |= BT_MODE(mode);
/* enter the normal mode */
can_working_mode_set(can_periph, CAN_MODE_NORMAL);
}
/** Config the interrupt .
*
* @param can_periph CAN0 or CAN1.
* @param interrupt The interrupt type.
* @param enable enable or disable.
*/
static void dev_can_interrupt_config(uint32_t can_periph, uint32_t interrupt, uint32_t enable)
{
if (enable) {
can_interrupt_enable(can_periph, interrupt);
} else {
can_interrupt_disable(can_periph, interrupt);
}
}
/* This table can be used to calculate bit time
The first value is bit segment 1(BS1[3:0]), the second is bit segment 2(BS2[2:0]) */
static const int sampling_points[23][2] = {
{0x0, 0x0}, /* 2, 50% */
{0x1, 0x0}, /* 3, 67% */
{0x2, 0x0}, /* 4, 75% */
{0x3, 0x0}, /* 5, 80% */
{0x3, 0x1}, /* 6, 67% */
{0x4, 0x1}, /* 7, 71% */
{0x5, 0x1}, /* 8, 75% */
{0x6, 0x1}, /* 9, 78% */
{0x6, 0x2}, /* 10, 70% */
{0x7, 0x2}, /* 11, 73% */
{0x8, 0x2}, /* 12, 75% */
{0x9, 0x2}, /* 13, 77% */
{0x9, 0x3}, /* 14, 71% */
{0xA, 0x3}, /* 15, 73% */
{0xB, 0x3}, /* 16, 75% */
{0xC, 0x3}, /* 17, 76% */
{0xD, 0x3}, /* 18, 78% */
{0xD, 0x4}, /* 19, 74% */
{0xE, 0x4}, /* 20, 75% */
{0xF, 0x4}, /* 21, 76% */
{0xF, 0x5}, /* 22, 73% */
{0xF, 0x6}, /* 23, 70% */
{0xF, 0x7}, /* 24, 67% */
};
/** Set the baudrate.
*
* @param freq The frequency value to be set.
*
* @returns
* CAN_BT register value
*/
static unsigned int dev_can_baudrate_set(int freq)
{
uint32_t reval;
uint16_t baud_psc;
uint16_t baud_psc_max;
uint32_t temp;
uint32_t bt_reg_config;
uint8_t flag;
int bits;
flag = 0;
/* computes the value that the CAN_BT register needs to be configured */
/* (BAUDPSC[9:0] + 1) * ((BS1[3:0] + 1) + (BS2[2:0] + 1) + SJW(always 1)) */
bt_reg_config = (rcu_clock_freq_get(CK_APB1) / freq);
/* BAUDPSC[9:0] minimum value */
baud_psc = bt_reg_config / DEV_CAN_BT_SEG_MAX;
/* BAUDPSC[9:0] maximum value */
baud_psc_max = bt_reg_config / DEV_CAN_BT_SEG_MIN;
while ((!flag) && (baud_psc < baud_psc_max)) {
baud_psc++;
for (bits = 22; bits > 0; bits--) {
temp = (bits + 3) * (baud_psc + 1);
if (temp == bt_reg_config) {
flag = 1;
break;
}
}
}
if (flag) {
reval = ((sampling_points[bits][1] << 20) & DEV_CAN_BS2_MASK)
| ((sampling_points[bits][0] << 16) & DEV_CAN_BS1_MASK)
| ((1 << 24) & DEV_CAN_SJW_MASK)
| ((baud_psc << 0) & DEV_CAN_BAUDPSC_MASK);
} else {
/* CAN_BT register reset value */
reval = 0x01230000;
}
return reval;
}
/** init the CAN.
*
*/
void can_init(can_t *obj, PinName rd, PinName td)
{
can_init_freq(obj, rd, td, 500000);
}
/** init the CAN frequency.
*
* @param rd receive pin.
* @param td transmit pin.
* @param hz The bus frequency in hertz.
*/
void can_init_freq(can_t *obj, PinName rd, PinName td, int hz)
{
CANName can_rd = (CANName)pinmap_peripheral(rd, PinMap_CAN_RD);
CANName can_td = (CANName)pinmap_peripheral(td, PinMap_CAN_TD);
obj->can = (CANName)pinmap_merge(can_rd, can_td);
MBED_ASSERT((int)obj->can != NC);
if (obj->can == CAN_0) {
rcu_periph_clock_enable(RCU_CAN0);
can_deinit(obj->can);
obj->index = 0;
} else if (obj->can == CAN_1) {
rcu_periph_clock_enable(RCU_CAN0);
rcu_periph_clock_enable(RCU_CAN1);
can_deinit(obj->can);
obj->index = 1;
} else {
return;
}
/* Configure the CAN pins */
pinmap_pinout(rd, PinMap_CAN_RD);
pinmap_pinout(td, PinMap_CAN_TD);
if (rd != NC) {
pin_mode(rd, PullUp);
}
if (td != NC) {
pin_mode(td, PullUp);
}
dev_can_mode_config(obj->can, CAN_NORMAL_MODE);
can_frequency(obj, hz);
if (obj->can == CAN_0) {
can_filter(obj, 0, 0, CANStandard, 0);
} else {
can_filter(obj, 0, 0, CANStandard, 14);
}
}
/** disable CAN.
*
*/
void can_free(can_t *obj)
{
can_deinit(obj->can);
if (obj->can == CAN0) {
rcu_periph_clock_disable(RCU_CAN0);
}
if (obj->can == CAN1) {
rcu_periph_clock_disable(RCU_CAN1);
}
}
/** Set the frequency of the CAN interface.
*
* @param hz The bus frequency in hertz.
*
* @returns
* 1 if successful,
* 0 otherwise
*/
int can_frequency(can_t *obj, int hz)
{
int reval;
/* The maximum baud rate support to 1M */
if (hz <= 1000000) {
if (SUCCESS == can_working_mode_set(obj->can, CAN_MODE_INITIALIZE)) {
CAN_BT(obj->can) = dev_can_baudrate_set(hz);
} else {
error("the configuration of can frequency is out of range \r\n");
}
if (SUCCESS == can_working_mode_set(obj->can, CAN_MODE_NORMAL)) {
reval = 1;
} else {
reval = 0;
}
}
return reval;
}
/** init the interrupt.
*
* @param handler the interrupt callback.
* @param id the CANx index.
*/
void can_irq_init(can_t *obj, can_irq_handler handler, uint32_t id)
{
irq_callback = handler;
can_irq_ids[obj->index] = id;
}
/** disable the interrupt.
*
*/
void can_irq_free(can_t *obj)
{
if (CAN0 == obj->can) {
can_interrupt_disable(obj->can, CAN_INTEN_TMEIE | CAN_INTEN_RFNEIE0 | CAN_INTEN_RFNEIE1 | \
CAN_INTEN_PERRIE | CAN_INTEN_BOIE | CAN_INTEN_ERRIE);
}
if (CAN1 == obj->can) {
can_interrupt_disable(obj->can, CAN_INTEN_TMEIE | CAN_INTEN_RFNEIE0 | CAN_INTEN_RFNEIE1 | \
CAN_INTEN_PERRIE | CAN_INTEN_BOIE | CAN_INTEN_ERRIE);
}
can_irq_ids[obj->index] = 0;
}
/** Set the interrupt handle.
*
* @param type The interrupt type.
* @param enable enable or disable.
*/
void can_irq_set(can_t *obj, CanIrqType type, uint32_t enable)
{
uint32_t irq_num;
uint32_t vector = 0;
if (obj->can == CAN_0) {
vector = (uint32_t)dev_can0_irq_entry;
irq_num = CAN0_IRQ_BASE_NUM;
}
else if (obj->can == CAN_1) {
vector = (uint32_t)dev_can1_irq_entry;
irq_num = CAN1_IRQ_BASE_NUM;
}
switch (type) {
case IRQ_RX:
dev_can_interrupt_config(obj->can, CAN_INT_RFNE0, enable);
break;
case IRQ_TX:
dev_can_interrupt_config(obj->can, CAN_INT_TME, enable);
irq_num += 1;
break;
case IRQ_ERROR:
dev_can_interrupt_config(obj->can, CAN_INT_ERR | CAN_INT_ERRN, enable);
irq_num += 3;
break;
case IRQ_PASSIVE:
dev_can_interrupt_config(obj->can, CAN_INT_ERR | CAN_INT_PERR, enable);
irq_num += 3;
break;
case IRQ_BUS:
dev_can_interrupt_config(obj->can, CAN_INT_ERR | CAN_INT_BO, enable);
irq_num += 3;
break;
default:
return;
}
NVIC_SetVector((IRQn_Type)irq_num, vector);
NVIC_EnableIRQ((IRQn_Type)irq_num);
}
/** Write a CANMessage to the bus.
*
* @param msg The CANMessage to write.
*
* @returns
* 0 if write failed,
* 1 if write was successful
*/
int can_write(can_t *obj, CAN_Message msg, int cc)
{
can_trasnmit_message_struct transmit_message;
uint32_t i;
can_struct_para_init(CAN_TX_MESSAGE_STRUCT, &transmit_message);
/* configure frame type: data or remote */
if (CANData == msg.type) {
transmit_message.tx_ft = CAN_FT_DATA;
} else if (CANRemote == msg.type) {
transmit_message.tx_ft = CAN_FT_REMOTE;
} else {
error("frame type of transmit message is invalid \r\n");
}
/* configure frame format: standard or extended */
if (CANStandard == msg.format) {
transmit_message.tx_ff = CAN_FF_STANDARD;
transmit_message.tx_sfid = msg.id;
} else if (CANExtended == msg.format) {
transmit_message.tx_ff = CAN_FF_EXTENDED;
transmit_message.tx_efid = msg.id;
} else {
error("frame format of transmit message is invalid \r\n");
}
transmit_message.tx_dlen = msg.len;
for (i = 0; i < msg.len; i++) {
transmit_message.tx_data[i] = msg.data[i];
}
can_message_transmit(obj->can, &transmit_message);
return 1;
}
/** Read a CANMessage from the bus.
*
* @param msg A CANMessage to read to.
* @param handle message filter handle (0 for any message).
*
* @returns
* 0 if no message arrived,
* 1 if message arrived
*/
int can_read(can_t *obj, CAN_Message *msg, int handle)
{
uint8_t i;
uint8_t fifo_number;
fifo_number = (uint8_t)handle;
can_receive_message_struct receive_message;
/* if the frame is not received, retrun 0 */
if (0 == can_receive_message_length_get(obj->can, CAN_FIFO0)) {
return 0;
}
can_message_receive(obj->can, fifo_number, &receive_message);
if (receive_message.rx_ff == CAN_RFIFOMI_FF) {
msg->format = CANExtended;
} else {
msg->format = CANStandard;
}
if (0 == msg->format) {
msg->id = (uint32_t)0x000007FF & (receive_message.rx_sfid);
} else {
msg->id = (uint32_t)0x1FFFFFFF & (receive_message.rx_efid);
}
if (receive_message.rx_ft == CAN_RFIFOMI_FT) {
msg->type = CANRemote;
} else {
msg->type = CANData;
}
msg->len = (uint8_t)receive_message.rx_dlen;
for (i = 0; i < msg->len; i++) {
msg->data[i] = (uint8_t)receive_message.rx_data[i];
}
/* If the frame is received successfully, retrun 1 */
return 1;
}
/** Change CAN operation to the specified mode.
*
* @param mode The new operation mode (CAN::Normal, CAN::Silent, CAN::LocalTest, CAN::GlobalTest, CAN::SilentTest).
*
* @returns
* 0 if mode change failed or unsupported,
* 1 if mode change was successful
*/
int can_mode(can_t *obj, CanMode mode)
{
switch (mode) {
case MODE_NORMAL:
dev_can_mode_config(obj->can, CAN_NORMAL_MODE);
break;
case MODE_SILENT:
dev_can_mode_config(obj->can, CAN_SILENT_MODE);
break;
case MODE_TEST_GLOBAL:
case MODE_TEST_LOCAL:
dev_can_mode_config(obj->can, CAN_LOOPBACK_MODE);
break;
case MODE_TEST_SILENT:
dev_can_mode_config(obj->can, CAN_SILENT_LOOPBACK_MODE);
break;
default:
return 0;
}
return 1;
}
/** Filter out incomming messages.
*
* @param id the id to filter on.
* @param mask the mask applied to the id.
* @param format format to filter on (Default CANAny).
* @param handle message filter handle (Optional).
*
* @returns
* 0 if filter change failed or unsupported,
* new filter handle if successful
*/
int can_filter(can_t *obj, uint32_t id, uint32_t mask, CANFormat format, int32_t handle)
{
can_filter_parameter_struct can_filter;
can_filter.filter_number = handle;
can_filter.filter_mode = CAN_FILTERMODE_MASK;
can_filter.filter_bits = CAN_FILTERBITS_32BIT;
can_filter.filter_fifo_number = CAN_FIFO0;
can_filter.filter_enable = ENABLE;
switch (format) {
case CANStandard:
/* configure SFID[10:0] */
can_filter.filter_list_high = id << 5;
can_filter.filter_list_low = 0x0;
/* configure SFID[10:0] mask */
can_filter.filter_mask_high = mask << 5;
/* both data and remote frames can be received */
can_filter.filter_mask_low = 0x0;
break;
case CANExtended:
/* configure EFID[28:13] */
can_filter.filter_list_high = id >> 13;
/* configure EFID[12:0] and frame format bit set */
can_filter.filter_list_low = (id << 3) | (1 << 2);
/* configure EFID[28:13] mask */
can_filter.filter_mask_high = mask >> 13;
/* configure EFID[12:0] and frame format bit mask */
/* both data and remote frames can be received */
can_filter.filter_mask_low = (mask << 3) | (1 << 2);
break;
case CANAny:
error("CANAny mode is not supported \r\n");
return 0;
default:
error("parameter is not supported \r\n");
return 0;
}
can_filter_init(&can_filter);
can1_filter_start_bank(handle);
return handle;
}
/** Reset CAN interface.
*
* To use after error overflow.
*/
void can_reset(can_t *obj)
{
can_deinit(obj->can);
}
/** Detects read errors - Used to detect read overflow errors.
*
* @returns number of read errors
*/
unsigned char can_rderror(can_t *obj)
{
return can_receive_error_number_get(obj->can);
}
/** Detects write errors - Used to detect write overflow errors.
*
* @returns number of write errors
*/
unsigned char can_tderror(can_t *obj)
{
return can_transmit_error_number_get(obj->can);
}
/** Puts or removes the CAN interface into silent monitoring mode.
*
* @param silent boolean indicating whether to go into silent mode or not.
*/
void can_monitor(can_t *obj, int silent)
{
if (silent) {
dev_can_mode_config(obj->can, CAN_SILENT_MODE);
} else {
dev_can_mode_config(obj->can, CAN_NORMAL_MODE);
}
}
#endif

27
targets/TARGET_GigaDevice/TARGET_GD32E10X/device.h Normal file
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/* The 'features' section in 'target.json' is now used to create the device's hardware preprocessor switches. */
/* Check the 'features' section of the target description in 'targets.json' for more details. */
/* mbed Microcontroller Library
* Copyright (c) 2006-2018 ARM Limited
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBED_DEVICE_H
#define MBED_DEVICE_H
#define DEVICE_ID_LENGTH 24
#include "objects.h"
#endif /* MBED_DEVICE_H */

27
targets/TARGET_GigaDevice/TARGET_GD32E10X/device/TOOLCHAIN_ARM_MICRO/gd32e103vb.sct Normal file
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#! armcc -E
; *************************************************************
; *** Scatter-Loading Description File generated by uVision ***
; *****
#if !defined(MBED_APP_START)
#define MBED_APP_START 0x08000000
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE 0x20000
#endif
LR_IROM1 MBED_APP_START MBED_APP_SIZE { ; load region size_region (1024K)
ER_IROM1 MBED_APP_START MBED_APP_SIZE { ; load address = execution address
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
}
; 84 vectors (16 core + 68 peripheral) * 4 bytes = 336 bytes to reserve (0x150)
RW_IRAM1 (0x20000000+0x150) (0x8000-0x150) { ; RW data
.ANY (+RW +ZI)
}
}

359
targets/TARGET_GigaDevice/TARGET_GD32E10X/device/TOOLCHAIN_ARM_MICRO/startup_gd32e10x.S Normal file
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;/*!
; \file startup_gd32f30x_cl.S
; \brief start up file
;
; \version 2017-12-26, V1.0.0, firmware for GD32E10x
; \version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
;*/
;
;/*
; Copyright (c) 2018, GigaDevice Semiconductor Inc.
;
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without modification,
;are permitted provided that the following conditions are met:
;
; 1. Redistributions of source code must retain the above copyright notice, this
; list of conditions and the following disclaimer.
; 2. Redistributions in binary form must reproduce the above copyright notice,
; this list of conditions and the following disclaimer in the documentation
; and/or other materials provided with the distribution.
; 3. Neither the name of the copyright holder nor the names of its contributors
; may be used to endorse or promote products derived from this software without
; specific prior written permission.
;
; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
;AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
;WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
;IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
;INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
;NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
;PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
;WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
;ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
;OF SUCH DAMAGE.
;*/
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x00000400
AREA STACK, NOINIT, READWRITE, ALIGN=3
EXPORT __initial_sp
Stack_Mem SPACE Stack_Size
__initial_sp EQU 0x20008000 ; Top of RAM
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x00000400
AREA HEAP, NOINIT, READWRITE, ALIGN=3
EXPORT __heap_base
EXPORT __heap_limit
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit EQU (__initial_sp - Stack_Size)
PRESERVE8
THUMB
; /* reset Vector Mapped to at Address 0 */
AREA RESET, DATA, READONLY
EXPORT __Vectors
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
DCD MemManage_Handler ; MPU Fault Handler
DCD BusFault_Handler ; Bus Fault Handler
DCD UsageFault_Handler ; Usage Fault Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD SVC_Handler ; SVCall Handler
DCD DebugMon_Handler ; Debug Monitor Handler
DCD 0 ; Reserved
DCD PendSV_Handler ; PendSV Handler
DCD SysTick_Handler ; SysTick Handler
; /* external interrupts handler */
DCD WWDGT_IRQHandler ; 16:Window Watchdog Timer
DCD LVD_IRQHandler ; 17:LVD through EXTI Line detect
DCD TAMPER_IRQHandler ; 18:Tamper through EXTI Line detect
DCD RTC_IRQHandler ; 19:RTC through EXTI Line
DCD FMC_IRQHandler ; 20:FMC
DCD RCU_CTC_IRQHandler ; 21:RCU and CTC
DCD EXTI0_IRQHandler ; 22:EXTI Line 0
DCD EXTI1_IRQHandler ; 23:EXTI Line 1
DCD EXTI2_IRQHandler ; 24:EXTI Line 2
DCD EXTI3_IRQHandler ; 25:EXTI Line 3
DCD EXTI4_IRQHandler ; 26:EXTI Line 4
DCD DMA0_Channel0_IRQHandler ; 27:DMA0 Channel0
DCD DMA0_Channel1_IRQHandler ; 28:DMA0 Channel1
DCD DMA0_Channel2_IRQHandler ; 29:DMA0 Channel2
DCD DMA0_Channel3_IRQHandler ; 30:DMA0 Channel3
DCD DMA0_Channel4_IRQHandler ; 31:DMA0 Channel4
DCD DMA0_Channel5_IRQHandler ; 32:DMA0 Channel5
DCD DMA0_Channel6_IRQHandler ; 33:DMA0 Channel6
DCD ADC0_1_IRQHandler ; 34:ADC0 and ADC1
DCD CAN0_TX_IRQHandler ; 35:CAN0 TX
DCD CAN0_RX0_IRQHandler ; 36:CAN0 RX0
DCD CAN0_RX1_IRQHandler ; 37:CAN0 RX1
DCD CAN0_EWMC_IRQHandler ; 38:CAN0 EWMC
DCD EXTI5_9_IRQHandler ; 39:EXTI5 to EXTI9
DCD TIMER0_BRK_TIMER8_IRQHandler ; 40:TIMER0 Break and TIMER8
DCD TIMER0_UP_TIMER9_IRQHandler ; 41:TIMER0 Update and TIMER9
DCD TIMER0_TRG_CMT_TIMER10_IRQHandler ; 42:TIMER0 Trigger and Commutation and TIMER10
DCD TIMER0_Channel_IRQHandler ; 43:TIMER0 Channel Capture Compare
DCD TIMER1_IRQHandler ; 44:TIMER1
DCD TIMER2_IRQHandler ; 45:TIMER2
DCD TIMER3_IRQHandler ; 46:TIMER3
DCD I2C0_EV_IRQHandler ; 47:I2C0 Event
DCD I2C0_ER_IRQHandler ; 48:I2C0 Error
DCD I2C1_EV_IRQHandler ; 49:I2C1 Event
DCD I2C1_ER_IRQHandler ; 50:I2C1 Error
DCD SPI0_IRQHandler ; 51:SPI0
DCD SPI1_IRQHandler ; 52:SPI1
DCD USART0_IRQHandler ; 53:USART0
DCD USART1_IRQHandler ; 54:USART1
DCD USART2_IRQHandler ; 55:USART2
DCD EXTI10_15_IRQHandler ; 56:EXTI10 to EXTI15
DCD RTC_Alarm_IRQHandler ; 57:RTC Alarm
DCD USBFS_WKUP_IRQHandler ; 58:USBFS Wakeup
DCD TIMER7_BRK_TIMER11_IRQHandler ; 59:TIMER7 Break and TIMER11
DCD TIMER7_UP_TIMER12_IRQHandler ; 60:TIMER7 Update and TIMER12
DCD TIMER7_TRG_CMT_TIMER13_IRQHandler ; 61:TIMER7 Trigger and Commutation and TIMER13
DCD TIMER7_Channel_IRQHandler ; 62:TIMER7 Channel Capture Compare
DCD 0 ; Reserved
DCD EXMC_IRQHandler ; 64:EXMC
DCD 0 ; Reserved
DCD TIMER4_IRQHandler ; 66:TIMER4
DCD SPI2_IRQHandler ; 67:SPI2
DCD UART3_IRQHandler ; 68:UART3
DCD UART4_IRQHandler ; 69:UART4
DCD TIMER5_IRQHandler ; 70:TIMER5
DCD TIMER6_IRQHandler ; 71:TIMER6
DCD DMA1_Channel0_IRQHandler ; 72:DMA1 Channel0
DCD DMA1_Channel1_IRQHandler ; 73:DMA1 Channel1
DCD DMA1_Channel2_IRQHandler ; 74:DMA1 Channel2
DCD DMA1_Channel3_IRQHandler ; 75:DMA1 Channel3
DCD DMA1_Channel4_IRQHandler ; 76:DMA1 Channel4
DCD 0 ; 77:Reserved
DCD 0 ; 78:Reserved
DCD CAN1_TX_IRQHandler ; 79:CAN1 TX
DCD CAN1_RX0_IRQHandler ; 80:CAN1 RX0
DCD CAN1_RX1_IRQHandler ; 81:CAN1 RX1
DCD CAN1_EWMC_IRQHandler ; 82:CAN1 EWMC
DCD USBFS_IRQHandler ; 83:USBFS
__Vectors_End
__Vectors_Size EQU __Vectors_End - __Vectors
AREA |.text|, CODE, READONLY
;/* reset Handler */
Reset_Handler PROC
EXPORT Reset_Handler [WEAK]
IMPORT SystemInit
IMPORT __main
LDR R0, =SystemInit
BLX R0
LDR R0, =__main
BX R0
ENDP
;/* dummy Exception Handlers */
NMI_Handler PROC
EXPORT NMI_Handler [WEAK]
B .
ENDP
HardFault_Handler\
PROC
EXPORT HardFault_Handler [WEAK]
B .
ENDP
MemManage_Handler\
PROC
EXPORT MemManage_Handler [WEAK]
B .
ENDP
BusFault_Handler\
PROC
EXPORT BusFault_Handler [WEAK]
B .
ENDP
UsageFault_Handler\
PROC
EXPORT UsageFault_Handler [WEAK]
B .
ENDP
SVC_Handler PROC
EXPORT SVC_Handler [WEAK]
B .
ENDP
DebugMon_Handler\
PROC
EXPORT DebugMon_Handler [WEAK]
B .
ENDP
PendSV_Handler\
PROC
EXPORT PendSV_Handler [WEAK]
B .
ENDP
SysTick_Handler\
PROC
EXPORT SysTick_Handler [WEAK]
B .
ENDP
Default_Handler PROC
; /* external interrupts handler */
EXPORT WWDGT_IRQHandler [WEAK]
EXPORT LVD_IRQHandler [WEAK]
EXPORT TAMPER_IRQHandler [WEAK]
EXPORT RTC_IRQHandler [WEAK]
EXPORT FMC_IRQHandler [WEAK]
EXPORT RCU_CTC_IRQHandler [WEAK]
EXPORT EXTI0_IRQHandler [WEAK]
EXPORT EXTI1_IRQHandler [WEAK]
EXPORT EXTI2_IRQHandler [WEAK]
EXPORT EXTI3_IRQHandler [WEAK]
EXPORT EXTI4_IRQHandler [WEAK]
EXPORT DMA0_Channel0_IRQHandler [WEAK]
EXPORT DMA0_Channel1_IRQHandler [WEAK]
EXPORT DMA0_Channel2_IRQHandler [WEAK]
EXPORT DMA0_Channel3_IRQHandler [WEAK]
EXPORT DMA0_Channel4_IRQHandler [WEAK]
EXPORT DMA0_Channel5_IRQHandler [WEAK]
EXPORT DMA0_Channel6_IRQHandler [WEAK]
EXPORT ADC0_1_IRQHandler [WEAK]
EXPORT CAN0_TX_IRQHandler [WEAK]
EXPORT CAN0_RX0_IRQHandler [WEAK]
EXPORT CAN0_RX1_IRQHandler [WEAK]
EXPORT CAN0_EWMC_IRQHandler [WEAK]
EXPORT EXTI5_9_IRQHandler [WEAK]
EXPORT TIMER0_BRK_TIMER8_IRQHandler [WEAK]
EXPORT TIMER0_UP_TIMER9_IRQHandler [WEAK]
EXPORT TIMER0_TRG_CMT_TIMER10_IRQHandler [WEAK]
EXPORT TIMER0_Channel_IRQHandler [WEAK]
EXPORT TIMER1_IRQHandler [WEAK]
EXPORT TIMER2_IRQHandler [WEAK]
EXPORT TIMER3_IRQHandler [WEAK]
EXPORT I2C0_EV_IRQHandler [WEAK]
EXPORT I2C0_ER_IRQHandler [WEAK]
EXPORT I2C1_EV_IRQHandler [WEAK]
EXPORT I2C1_ER_IRQHandler [WEAK]
EXPORT SPI0_IRQHandler [WEAK]
EXPORT SPI1_IRQHandler [WEAK]
EXPORT USART0_IRQHandler [WEAK]
EXPORT USART1_IRQHandler [WEAK]
EXPORT USART2_IRQHandler [WEAK]
EXPORT EXTI10_15_IRQHandler [WEAK]
EXPORT RTC_Alarm_IRQHandler [WEAK]
EXPORT USBFS_WKUP_IRQHandler [WEAK]
EXPORT TIMER7_BRK_TIMER11_IRQHandler [WEAK]
EXPORT TIMER7_UP_TIMER12_IRQHandler [WEAK]
EXPORT TIMER7_TRG_CMT_TIMER13_IRQHandler [WEAK]
EXPORT TIMER7_Channel_IRQHandler [WEAK]
EXPORT EXMC_IRQHandler [WEAK]
EXPORT TIMER4_IRQHandler [WEAK]
EXPORT SPI2_IRQHandler [WEAK]
EXPORT UART3_IRQHandler [WEAK]
EXPORT UART4_IRQHandler [WEAK]
EXPORT TIMER5_IRQHandler [WEAK]
EXPORT TIMER6_IRQHandler [WEAK]
EXPORT DMA1_Channel0_IRQHandler [WEAK]
EXPORT DMA1_Channel1_IRQHandler [WEAK]
EXPORT DMA1_Channel2_IRQHandler [WEAK]
EXPORT DMA1_Channel3_IRQHandler [WEAK]
EXPORT DMA1_Channel4_IRQHandler [WEAK]
EXPORT CAN1_TX_IRQHandler [WEAK]
EXPORT CAN1_RX0_IRQHandler [WEAK]
EXPORT CAN1_RX1_IRQHandler [WEAK]
EXPORT CAN1_EWMC_IRQHandler [WEAK]
EXPORT USBFS_IRQHandler [WEAK]
;/* external interrupts handler */
WWDGT_IRQHandler
LVD_IRQHandler
TAMPER_IRQHandler
RTC_IRQHandler
FMC_IRQHandler
RCU_CTC_IRQHandler
EXTI0_IRQHandler
EXTI1_IRQHandler
EXTI2_IRQHandler
EXTI3_IRQHandler
EXTI4_IRQHandler
DMA0_Channel0_IRQHandler
DMA0_Channel1_IRQHandler
DMA0_Channel2_IRQHandler
DMA0_Channel3_IRQHandler
DMA0_Channel4_IRQHandler
DMA0_Channel5_IRQHandler
DMA0_Channel6_IRQHandler
ADC0_1_IRQHandler
CAN0_TX_IRQHandler
CAN0_RX0_IRQHandler
CAN0_RX1_IRQHandler
CAN0_EWMC_IRQHandler
EXTI5_9_IRQHandler
TIMER0_BRK_TIMER8_IRQHandler
TIMER0_UP_TIMER9_IRQHandler
TIMER0_TRG_CMT_TIMER10_IRQHandler
TIMER0_Channel_IRQHandler
TIMER1_IRQHandler
TIMER2_IRQHandler
TIMER3_IRQHandler
I2C0_EV_IRQHandler
I2C0_ER_IRQHandler
I2C1_EV_IRQHandler
I2C1_ER_IRQHandler
SPI0_IRQHandler
SPI1_IRQHandler
USART0_IRQHandler
USART1_IRQHandler
USART2_IRQHandler
EXTI10_15_IRQHandler
RTC_Alarm_IRQHandler
USBFS_WKUP_IRQHandler
TIMER7_BRK_TIMER11_IRQHandler
TIMER7_UP_TIMER12_IRQHandler
TIMER7_TRG_CMT_TIMER13_IRQHandler
TIMER7_Channel_IRQHandler
EXMC_IRQHandler
TIMER4_IRQHandler
SPI2_IRQHandler
UART3_IRQHandler
UART4_IRQHandler
TIMER5_IRQHandler
TIMER6_IRQHandler
DMA1_Channel0_IRQHandler
DMA1_Channel1_IRQHandler
DMA1_Channel2_IRQHandler
DMA1_Channel3_IRQHandler
DMA1_Channel4_IRQHandler
CAN1_TX_IRQHandler
CAN1_RX0_IRQHandler
CAN1_RX1_IRQHandler
CAN1_EWMC_IRQHandler
USBFS_IRQHandler
B .
ENDP
ALIGN
END

36
targets/TARGET_GigaDevice/TARGET_GD32E10X/device/TOOLCHAIN_ARM_STD/gd32e103vb.sct Normal file
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#! armcc -E
; *************************************************************
; *** Scatter-Loading Description File generated by uVision ***
; *****
#if !defined(MBED_APP_START)
#define MBED_APP_START 0x08000000
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE 0x20000
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
#define MBED_BOOT_STACK_SIZE 0x400
#endif
#define Stack_Size MBED_BOOT_STACK_SIZE
LR_IROM1 MBED_APP_START MBED_APP_SIZE { ; load region size_region (1024K)
ER_IROM1 MBED_APP_START MBED_APP_SIZE { ; load address = execution address
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
}
; 84 vectors (16 core + 68 peripheral) * 4 bytes = 336 bytes to reserve (0x150)
RW_IRAM1 (0x20000000+0x150) (0x8000-0x150-Stack_Size) { ; RW data
.ANY (+RW +ZI)
}
ARM_LIB_STACK 0x20000000+0x8000 EMPTY -Stack_Size { ; Stack region growing down
}
}

356
targets/TARGET_GigaDevice/TARGET_GD32E10X/device/TOOLCHAIN_ARM_STD/startup_gd32e10x.S Normal file
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@ -0,0 +1,356 @@
;/*!
; \file startup_gd32e10x.s
; \brief start up file
;
; \version 2017-12-26, V1.0.0, firmware for GD32E10x
; \version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
;*/
;
;/*
; Copyright (c) 2018, GigaDevice Semiconductor Inc.
;
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without modification,
;are permitted provided that the following conditions are met:
;
; 1. Redistributions of source code must retain the above copyright notice, this
; list of conditions and the following disclaimer.
; 2. Redistributions in binary form must reproduce the above copyright notice,
; this list of conditions and the following disclaimer in the documentation
; and/or other materials provided with the distribution.
; 3. Neither the name of the copyright holder nor the names of its contributors
; may be used to endorse or promote products derived from this software without
; specific prior written permission.
;
; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
;AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
;WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
;IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
;INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
;NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
;PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
;WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
;ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
;OF SUCH DAMAGE.
;*/
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x00000400
AREA STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem SPACE Stack_Size
__initial_sp EQU 0x20008000
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x00000400
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
; /* reset Vector Mapped to at Address 0 */
AREA RESET, DATA, READONLY
EXPORT __Vectors
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
DCD MemManage_Handler ; MPU Fault Handler
DCD BusFault_Handler ; Bus Fault Handler
DCD UsageFault_Handler ; Usage Fault Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD SVC_Handler ; SVCall Handler
DCD DebugMon_Handler ; Debug Monitor Handler
DCD 0 ; Reserved
DCD PendSV_Handler ; PendSV Handler
DCD SysTick_Handler ; SysTick Handler
; /* external interrupts handler */
DCD WWDGT_IRQHandler ; 16:Window Watchdog Timer
DCD LVD_IRQHandler ; 17:LVD through EXTI Line detect
DCD TAMPER_IRQHandler ; 18:Tamper through EXTI Line detect
DCD RTC_IRQHandler ; 19:RTC through EXTI Line
DCD FMC_IRQHandler ; 20:FMC
DCD RCU_CTC_IRQHandler ; 21:RCU and CTC
DCD EXTI0_IRQHandler ; 22:EXTI Line 0
DCD EXTI1_IRQHandler ; 23:EXTI Line 1
DCD EXTI2_IRQHandler ; 24:EXTI Line 2
DCD EXTI3_IRQHandler ; 25:EXTI Line 3
DCD EXTI4_IRQHandler ; 26:EXTI Line 4
DCD DMA0_Channel0_IRQHandler ; 27:DMA0 Channel0
DCD DMA0_Channel1_IRQHandler ; 28:DMA0 Channel1
DCD DMA0_Channel2_IRQHandler ; 29:DMA0 Channel2
DCD DMA0_Channel3_IRQHandler ; 30:DMA0 Channel3
DCD DMA0_Channel4_IRQHandler ; 31:DMA0 Channel4
DCD DMA0_Channel5_IRQHandler ; 32:DMA0 Channel5
DCD DMA0_Channel6_IRQHandler ; 33:DMA0 Channel6
DCD ADC0_1_IRQHandler ; 34:ADC0 and ADC1
DCD CAN0_TX_IRQHandler ; 35:CAN0 TX
DCD CAN0_RX0_IRQHandler ; 36:CAN0 RX0
DCD CAN0_RX1_IRQHandler ; 37:CAN0 RX1
DCD CAN0_EWMC_IRQHandler ; 38:CAN0 EWMC
DCD EXTI5_9_IRQHandler ; 39:EXTI5 to EXTI9
DCD TIMER0_BRK_TIMER8_IRQHandler ; 40:TIMER0 Break and TIMER8
DCD TIMER0_UP_TIMER9_IRQHandler ; 41:TIMER0 Update and TIMER9
DCD TIMER0_TRG_CMT_TIMER10_IRQHandler ; 42:TIMER0 Trigger and Commutation and TIMER10
DCD TIMER0_Channel_IRQHandler ; 43:TIMER0 Channel Capture Compare
DCD TIMER1_IRQHandler ; 44:TIMER1
DCD TIMER2_IRQHandler ; 45:TIMER2
DCD TIMER3_IRQHandler ; 46:TIMER3
DCD I2C0_EV_IRQHandler ; 47:I2C0 Event
DCD I2C0_ER_IRQHandler ; 48:I2C0 Error
DCD I2C1_EV_IRQHandler ; 49:I2C1 Event
DCD I2C1_ER_IRQHandler ; 50:I2C1 Error
DCD SPI0_IRQHandler ; 51:SPI0
DCD SPI1_IRQHandler ; 52:SPI1
DCD USART0_IRQHandler ; 53:USART0
DCD USART1_IRQHandler ; 54:USART1
DCD USART2_IRQHandler ; 55:USART2
DCD EXTI10_15_IRQHandler ; 56:EXTI10 to EXTI15
DCD RTC_Alarm_IRQHandler ; 57:RTC Alarm
DCD USBFS_WKUP_IRQHandler ; 58:USBFS Wakeup
DCD TIMER7_BRK_TIMER11_IRQHandler ; 59:TIMER7 Break and TIMER11
DCD TIMER7_UP_TIMER12_IRQHandler ; 60:TIMER7 Update and TIMER12
DCD TIMER7_TRG_CMT_TIMER13_IRQHandler ; 61:TIMER7 Trigger and Commutation and TIMER13
DCD TIMER7_Channel_IRQHandler ; 62:TIMER7 Channel Capture Compare
DCD 0 ; Reserved
DCD EXMC_IRQHandler ; 64:EXMC
DCD 0 ; Reserved
DCD TIMER4_IRQHandler ; 66:TIMER4
DCD SPI2_IRQHandler ; 67:SPI2
DCD UART3_IRQHandler ; 68:UART3
DCD UART4_IRQHandler ; 69:UART4
DCD TIMER5_IRQHandler ; 70:TIMER5
DCD TIMER6_IRQHandler ; 71:TIMER6
DCD DMA1_Channel0_IRQHandler ; 72:DMA1 Channel0
DCD DMA1_Channel1_IRQHandler ; 73:DMA1 Channel1
DCD DMA1_Channel2_IRQHandler ; 74:DMA1 Channel2
DCD DMA1_Channel3_IRQHandler ; 75:DMA1 Channel3
DCD DMA1_Channel4_IRQHandler ; 76:DMA1 Channel4
DCD 0 ; 77:Reserved
DCD 0 ; 78:Reserved
DCD CAN1_TX_IRQHandler ; 79:CAN1 TX
DCD CAN1_RX0_IRQHandler ; 80:CAN1 RX0
DCD CAN1_RX1_IRQHandler ; 81:CAN1 RX1
DCD CAN1_EWMC_IRQHandler ; 82:CAN1 EWMC
DCD USBFS_IRQHandler ; 83:USBFS
__Vectors_End
__Vectors_Size EQU __Vectors_End - __Vectors
AREA |.text|, CODE, READONLY
;/* reset Handler */
Reset_Handler PROC
EXPORT Reset_Handler [WEAK]
IMPORT SystemInit
IMPORT __main
LDR R0, =SystemInit
BLX R0
LDR R0, =__main
BX R0
ENDP
;/* dummy Exception Handlers */
NMI_Handler PROC
EXPORT NMI_Handler [WEAK]
B .
ENDP
HardFault_Handler\
PROC
EXPORT HardFault_Handler [WEAK]
B .
ENDP
MemManage_Handler\
PROC
EXPORT MemManage_Handler [WEAK]
B .
ENDP
BusFault_Handler\
PROC
EXPORT BusFault_Handler [WEAK]
B .
ENDP
UsageFault_Handler\
PROC
EXPORT UsageFault_Handler [WEAK]
B .
ENDP
SVC_Handler PROC
EXPORT SVC_Handler [WEAK]
B .
ENDP
DebugMon_Handler\
PROC
EXPORT DebugMon_Handler [WEAK]
B .
ENDP
PendSV_Handler\
PROC
EXPORT PendSV_Handler [WEAK]
B .
ENDP
SysTick_Handler\
PROC
EXPORT SysTick_Handler [WEAK]
B .
ENDP
Default_Handler PROC
; /* external interrupts handler */
EXPORT WWDGT_IRQHandler [WEAK]
EXPORT LVD_IRQHandler [WEAK]
EXPORT TAMPER_IRQHandler [WEAK]
EXPORT RTC_IRQHandler [WEAK]
EXPORT FMC_IRQHandler [WEAK]
EXPORT RCU_CTC_IRQHandler [WEAK]
EXPORT EXTI0_IRQHandler [WEAK]
EXPORT EXTI1_IRQHandler [WEAK]
EXPORT EXTI2_IRQHandler [WEAK]
EXPORT EXTI3_IRQHandler [WEAK]
EXPORT EXTI4_IRQHandler [WEAK]
EXPORT DMA0_Channel0_IRQHandler [WEAK]
EXPORT DMA0_Channel1_IRQHandler [WEAK]
EXPORT DMA0_Channel2_IRQHandler [WEAK]
EXPORT DMA0_Channel3_IRQHandler [WEAK]
EXPORT DMA0_Channel4_IRQHandler [WEAK]
EXPORT DMA0_Channel5_IRQHandler [WEAK]
EXPORT DMA0_Channel6_IRQHandler [WEAK]
EXPORT ADC0_1_IRQHandler [WEAK]
EXPORT CAN0_TX_IRQHandler [WEAK]
EXPORT CAN0_RX0_IRQHandler [WEAK]
EXPORT CAN0_RX1_IRQHandler [WEAK]
EXPORT CAN0_EWMC_IRQHandler [WEAK]
EXPORT EXTI5_9_IRQHandler [WEAK]
EXPORT TIMER0_BRK_TIMER8_IRQHandler [WEAK]
EXPORT TIMER0_UP_TIMER9_IRQHandler [WEAK]
EXPORT TIMER0_TRG_CMT_TIMER10_IRQHandler [WEAK]
EXPORT TIMER0_Channel_IRQHandler [WEAK]
EXPORT TIMER1_IRQHandler [WEAK]
EXPORT TIMER2_IRQHandler [WEAK]
EXPORT TIMER3_IRQHandler [WEAK]
EXPORT I2C0_EV_IRQHandler [WEAK]
EXPORT I2C0_ER_IRQHandler [WEAK]
EXPORT I2C1_EV_IRQHandler [WEAK]
EXPORT I2C1_ER_IRQHandler [WEAK]
EXPORT SPI0_IRQHandler [WEAK]
EXPORT SPI1_IRQHandler [WEAK]
EXPORT USART0_IRQHandler [WEAK]
EXPORT USART1_IRQHandler [WEAK]
EXPORT USART2_IRQHandler [WEAK]
EXPORT EXTI10_15_IRQHandler [WEAK]
EXPORT RTC_Alarm_IRQHandler [WEAK]
EXPORT USBFS_WKUP_IRQHandler [WEAK]
EXPORT TIMER7_BRK_TIMER11_IRQHandler [WEAK]
EXPORT TIMER7_UP_TIMER12_IRQHandler [WEAK]
EXPORT TIMER7_TRG_CMT_TIMER13_IRQHandler [WEAK]
EXPORT TIMER7_Channel_IRQHandler [WEAK]
EXPORT EXMC_IRQHandler [WEAK]
EXPORT TIMER4_IRQHandler [WEAK]
EXPORT SPI2_IRQHandler [WEAK]
EXPORT UART3_IRQHandler [WEAK]
EXPORT UART4_IRQHandler [WEAK]
EXPORT TIMER5_IRQHandler [WEAK]
EXPORT TIMER6_IRQHandler [WEAK]
EXPORT DMA1_Channel0_IRQHandler [WEAK]
EXPORT DMA1_Channel1_IRQHandler [WEAK]
EXPORT DMA1_Channel2_IRQHandler [WEAK]
EXPORT DMA1_Channel3_IRQHandler [WEAK]
EXPORT DMA1_Channel4_IRQHandler [WEAK]
EXPORT CAN1_TX_IRQHandler [WEAK]
EXPORT CAN1_RX0_IRQHandler [WEAK]
EXPORT CAN1_RX1_IRQHandler [WEAK]
EXPORT CAN1_EWMC_IRQHandler [WEAK]
EXPORT USBFS_IRQHandler [WEAK]
;/* external interrupts handler */
WWDGT_IRQHandler
LVD_IRQHandler
TAMPER_IRQHandler
RTC_IRQHandler
FMC_IRQHandler
RCU_CTC_IRQHandler
EXTI0_IRQHandler
EXTI1_IRQHandler
EXTI2_IRQHandler
EXTI3_IRQHandler
EXTI4_IRQHandler
DMA0_Channel0_IRQHandler
DMA0_Channel1_IRQHandler
DMA0_Channel2_IRQHandler
DMA0_Channel3_IRQHandler
DMA0_Channel4_IRQHandler
DMA0_Channel5_IRQHandler
DMA0_Channel6_IRQHandler
ADC0_1_IRQHandler
CAN0_TX_IRQHandler
CAN0_RX0_IRQHandler
CAN0_RX1_IRQHandler
CAN0_EWMC_IRQHandler
EXTI5_9_IRQHandler
TIMER0_BRK_TIMER8_IRQHandler
TIMER0_UP_TIMER9_IRQHandler
TIMER0_TRG_CMT_TIMER10_IRQHandler
TIMER0_Channel_IRQHandler
TIMER1_IRQHandler
TIMER2_IRQHandler
TIMER3_IRQHandler
I2C0_EV_IRQHandler
I2C0_ER_IRQHandler
I2C1_EV_IRQHandler
I2C1_ER_IRQHandler
SPI0_IRQHandler
SPI1_IRQHandler
USART0_IRQHandler
USART1_IRQHandler
USART2_IRQHandler
EXTI10_15_IRQHandler
RTC_Alarm_IRQHandler
USBFS_WKUP_IRQHandler
TIMER7_BRK_TIMER11_IRQHandler
TIMER7_UP_TIMER12_IRQHandler
TIMER7_TRG_CMT_TIMER13_IRQHandler
TIMER7_Channel_IRQHandler
EXMC_IRQHandler
TIMER4_IRQHandler
SPI2_IRQHandler
UART3_IRQHandler
UART4_IRQHandler
TIMER5_IRQHandler
TIMER6_IRQHandler
DMA1_Channel0_IRQHandler
DMA1_Channel1_IRQHandler
DMA1_Channel2_IRQHandler
DMA1_Channel3_IRQHandler
DMA1_Channel4_IRQHandler
CAN1_TX_IRQHandler
CAN1_RX0_IRQHandler
CAN1_RX1_IRQHandler
CAN1_EWMC_IRQHandler
USBFS_IRQHandler
B .
ENDP
ALIGN
END

136
targets/TARGET_GigaDevice/TARGET_GD32E10X/device/TOOLCHAIN_GCC_ARM/GD32E103xB.ld Normal file
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@ -0,0 +1,136 @@
#if !defined(MBED_APP_START)
#define MBED_APP_START 0x08000000
#endif
#if !defined(MBED_APP_SIZE)
#define MBED_APP_SIZE 128K
#endif
#if !defined(MBED_BOOT_STACK_SIZE)
#define MBED_BOOT_STACK_SIZE 0x400
#endif
/* specify memory regions */
MEMORY
{
FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
RAM (rwx) : ORIGIN = 0x20000150, LENGTH = 32K - 0x150
}
/* define output sections */
ENTRY(Reset_Handler)
SECTIONS
{
.text :
{
KEEP(*(.isr_vector))
*(.text*)
KEEP(*(.init))
KEEP(*(.fini))
/* .ctors */
*crtbegin.o(.ctors)
*crtbegin?.o(.ctors)
*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
*(SORT(.ctors.*))
*(.ctors)
/* .dtors */
*crtbegin.o(.dtors)
*crtbegin?.o(.dtors)
*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
*(SORT(.dtors.*))
*(.dtors)
*(.rodata*)
KEEP(*(.eh_frame*))
} > FLASH
.ARM.extab :
{
*(.ARM.extab* .gnu.linkonce.armextab.*)
} > FLASH
__exidx_start = .;
.ARM.exidx :
{
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
} > FLASH
__exidx_end = .;
__etext = .;
_sidata = .;
.data : AT (__etext)
{
__data_start__ = .;
_sdata = .;
*(vtable)
*(.data*)
. = ALIGN(8);
/* preinit data */
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP(*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
. = ALIGN(8);
/* init data */
PROVIDE_HIDDEN (__init_array_start = .);
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
. = ALIGN(8);
/* finit data */
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP(*(SORT(.fini_array.*)))
KEEP(*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
KEEP(*(.jcr*))
. = ALIGN(8);
/* All data end */
__data_end__ = .;
_edata = .;
} > RAM
.bss :
{
. = ALIGN(8);
__bss_start__ = .;
_sbss = .;
*(.bss*)
*(COMMON)
. = ALIGN(8);
__bss_end__ = .;
_ebss = .;
} > RAM
.heap (COPY):
{
__end__ = .;
end = __end__;
*(.heap*)
. = ORIGIN(RAM) + LENGTH(RAM) - MBED_BOOT_STACK_SIZE;
__HeapLimit = .;
} > RAM
.stack_dummy (COPY):
{
*(.stack*)
} > RAM
/* initializes stack on the end of block */
__StackTop = ORIGIN(RAM) + LENGTH(RAM);
_estack = __StackTop;
__StackLimit = __StackTop - MBED_BOOT_STACK_SIZE;
PROVIDE(__stack = __StackTop);
ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
}

408
targets/TARGET_GigaDevice/TARGET_GD32E10X/device/TOOLCHAIN_GCC_ARM/startup_gd32e10x.S Normal file
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@ -0,0 +1,408 @@
;/*!
; \file startup_gd32e10x_cl.S
; \brief start up file
;
; \version 2017-12-26, V1.0.0, firmware for GD32E10x
; \version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
;*/
;
;/*
; Copyright (c) 2018, GigaDevice Semiconductor Inc.
;
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without modification,
;are permitted provided that the following conditions are met:
;
; 1. Redistributions of source code must retain the above copyright notice, this
; list of conditions and the following disclaimer.
; 2. Redistributions in binary form must reproduce the above copyright notice,
; this list of conditions and the following disclaimer in the documentation
; and/or other materials provided with the distribution.
; 3. Neither the name of the copyright holder nor the names of its contributors
; may be used to endorse or promote products derived from this software without
; specific prior written permission.
;
; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
;AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
;WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
;IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
;INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
;NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
;PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
;WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
;ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
;OF SUCH DAMAGE.
;*/
.syntax unified
.cpu cortex-m4
.fpu softvfp
.thumb
.global VecTab
.global Default_Handler
/* start address of the initialization .data */
.word _sidata
/* start address of the .data section */
.word _sdata
/* end address of the .data section */
.word _edata
/* reset Handler */
.section .text.Reset_Handler
.weak Reset_Handler
.type Reset_Handler, %function
Reset_Handler:
ldr r0, =_estack
mov sp, r0 /* set stack pointer */
/* copy the data segment into RAM */
movs r1, #0
b DataInit
CopyData:
ldr r3, =_sidata
ldr r3, [r3, r1]
str r3, [r0, r1]
adds r1, r1, #4
DataInit:
ldr r0, =_sdata
ldr r3, =_edata
adds r2, r0, r1
cmp r2, r3
bcc CopyData
/* system clock intitialization*/
bl SystemInit
/* static constructors */
// bl __libc_init_array
/* jump to application's entry point */
// bl main
bl _start
/* infinite loop */
b .
.size Reset_Handler, .-Reset_Handler
.section .text.Default_Handler,"ax",%progbits
Default_Handler:
/* infinite loop */
b .
.size Default_Handler, .-Default_Handler
.section .isr_vector,"a",%progbits
.type VecTab, %object
.size VecTab, .-VecTab
VecTab:
.word _estack /* Top of Stack */
.word Reset_Handler /* 1,Reset Handler */
.word NMI_Handler /* 2,NMI Handler */
.word HardFault_Handler /* 3,Hard Fault Handler */
.word MemManage_Handler /* 4,MPU Fault Handler */
.word BusFault_Handler /* 5,Bus Fault Handler */
.word UsageFault_Handler /* 6,Usage Fault Handler */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word SVC_Handler /* 11,SVCall Handler */
.word DebugMon_Handler /* 12,Debug Monitor Handler */
.word 0 /* Reserved */
.word PendSV_Handler /* 14,PendSV Handler */
.word SysTick_Handler /* 15,SysTick Handler */
/* External Interrupts */
.word WWDGT_IRQHandler /* 16,Window Watchdog Timer */
.word LVD_IRQHandler /* 17,LVD through EXTI Line detect */
.word TAMPER_IRQHandler /* 18,Tamper through EXTI Line detect */
.word RTC_IRQHandler /* 19,RTC through EXTI Line */
.word FMC_IRQHandler /* 20,FMC */
.word RCU_CTC_IRQHandler /* 21,RCU and CTC */
.word EXTI0_IRQHandler /* 22,EXTI Line 0 */
.word EXTI1_IRQHandler /* 23,EXTI Line 1 */
.word EXTI2_IRQHandler /* 24,EXTI Line 2 */
.word EXTI3_IRQHandler /* 25,EXTI Line 3 */
.word EXTI4_IRQHandler /* 26,EXTI Line 4 */
.word DMA0_Channel0_IRQHandler /* 27,DMA0 Channel 0 */
.word DMA0_Channel1_IRQHandler /* 28,DMA0 Channel 1 */
.word DMA0_Channel2_IRQHandler /* 29,DMA0 Channel 2 */
.word DMA0_Channel3_IRQHandler /* 30,DMA0 Channel 3 */
.word DMA0_Channel4_IRQHandler /* 31,DMA0 Channel 4 */
.word DMA0_Channel5_IRQHandler /* 32,DMA0 Channel 5 */
.word DMA0_Channel6_IRQHandler /* 33,DMA0 Channel 6 */
.word ADC0_1_IRQHandler /* 34,ADC0 and ADC1 */
.word CAN0_TX_IRQHandler /* 35,CAN0 TX */
.word CAN0_RX0_IRQHandler /* 36,CAN0 RX0 */
.word CAN0_RX1_IRQHandler /* 37,CAN0 RX1 */
.word CAN0_EWMC_IRQHandler /* 38,CAN0 EWMC */
.word EXTI5_9_IRQHandler /* 39,EXTI5 to EXTI9 */
.word TIMER0_BRK_TIMER8_IRQHandler /* 40,TIMER0 Break and TIMER8 */
.word TIMER0_UP_TIMER9_IRQHandler /* 41,TIMER0 Update and TIMER9 */
.word TIMER0_TRG_CMT_TIMER10_IRQHandler /* 42,TIMER0 Trigger and Commutation and TIMER10 */
.word TIMER0_Channel_IRQHandler /* 43,TIMER0 Channel Capture Compare */
.word TIMER1_IRQHandler /* 44,TIMER4 */
.word TIMER2_IRQHandler /* 45,TIMER2 */
.word TIMER3_IRQHandler /* 46,TIMER3 */
.word I2C0_EV_IRQHandler /* 47,I2C0 Event */
.word I2C0_ER_IRQHandler /* 48,I2C0 Error */
.word I2C1_EV_IRQHandler /* 49,I2C1 Event */
.word I2C1_ER_IRQHandler /* 50,I2C1 Error */
.word SPI0_IRQHandler /* 51,SPI0 */
.word SPI1_IRQHandler /* 52,SPI1 */
.word USART0_IRQHandler /* 53,USART0 */
.word USART1_IRQHandler /* 54,USART1 */
.word USART2_IRQHandler /* 55,USART2 */
.word EXTI10_15_IRQHandler /* 56,EXTI10 to EXTI15 */
.word RTC_Alarm_IRQHandler /* 57,RTC Alarm */
.word USBFS_WKUP_IRQHandler /* 58,USBFS Wakeup */
.word TIMER7_BRK_TIMER11_IRQHandler /* 59,TIMER7 Break and TIMER11 */
.word TIMER7_UP_TIMER12_IRQHandler /* 60:TIMER7 Update and TIMER12 */
.word TIMER7_TRG_CMT_TIMER13_IRQHandler /* 61:TIMER7 Trigger and Commutation and TIMER13 */
.word TIMER7_Channel_IRQHandler /* 62,TIMER7 Capture Compare */
.word 0 /* Reserved */
.word EXMC_IRQHandler /* 64,EXMC */
.word 0 /* Reserved */
.word TIMER4_IRQHandler /* 66,TIMER4 */
.word SPI2_IRQHandler /* 67,SPI2 */
.word UART3_IRQHandler /* 68,UART3 */
.word UART4_IRQHandler /* 69,UART4 */
.word TIMER5_IRQHandler /* 70,TIMER5 */
.word TIMER6_IRQHandler /* 71,TIMER6 */
.word DMA1_Channel0_IRQHandler /* 72,DMA1 Channel0 */
.word DMA1_Channel1_IRQHandler /* 73,DMA1 Channel1 */
.word DMA1_Channel2_IRQHandler /* 74,DMA1 Channel2 */
.word DMA1_Channel3_IRQHandler /* 75,DMA1 Channel3 */
.word DMA1_Channel4_IRQHandler /* 76,DMA1 Channel4 */
.word 0 /* 77,Reserved */
.word 0 /* 78,Reserved */
.word CAN1_TX_IRQHandler /* 79,CAN1 TX */
.word CAN1_RX0_IRQHandler /* 80,CAN1 RX0 */
.word CAN1_RX1_IRQHandler /* 81,CAN1 RX1 */
.word CAN1_EWMC_IRQHandler /* 82,CAN1 EWMC */
.word USBFS_IRQHandler /* 83,USBFS */
/* dummy Exception Handlers */
.weak NMI_Handler
.thumb_set NMI_Handler,Default_Handler
.weak HardFault_Handler
.thumb_set HardFault_Handler,Default_Handler
.weak MemManage_Handler
.thumb_set MemManage_Handler,Default_Handler
.weak BusFault_Handler
.thumb_set BusFault_Handler,Default_Handler
.weak UsageFault_Handler
.thumb_set UsageFault_Handler,Default_Handler
.weak SVC_Handler
.thumb_set SVC_Handler,Default_Handler
.weak DebugMon_Handler
.thumb_set DebugMon_Handler,Default_Handler
.weak PendSV_Handler
.thumb_set PendSV_Handler,Default_Handler
.weak SysTick_Handler
.thumb_set SysTick_Handler,Default_Handler
.weak WWDGT_IRQHandler
.thumb_set WWDG_IRQHandler,Default_Handler
.weak LVD_IRQHandler
.thumb_set LVD_IRQHandler,Default_Handler
.weak TAMPER_IRQHandler
.thumb_set TAMPER_IRQHandler,Default_Handler
.weak RTC_IRQHandler
.thumb_set RTC_IRQHandler,Default_Handler
.weak FMC_IRQHandler
.thumb_set FMC_IRQHandler,Default_Handler
.weak RCU_CTC_IRQHandler
.thumb_set RCU_CTC_IRQHandler,Default_Handler
.weak EXTI0_IRQHandler
.thumb_set EXTI0_IRQHandler,Default_Handler
.weak EXTI1_IRQHandler
.thumb_set EXTI1_IRQHandler,Default_Handler
.weak EXTI2_IRQHandler
.thumb_set EXTI2_IRQHandler,Default_Handler
.weak EXTI3_IRQHandler
.thumb_set EXTI3_IRQHandler,Default_Handler
.weak EXTI4_IRQHandler
.thumb_set EXTI4_IRQHandler,Default_Handler
.weak DMA0_Channel0_IRQHandler
.thumb_set DMA0_Channel0_IRQHandler,Default_Handler
.weak DMA0_Channel1_IRQHandler
.thumb_set DMA0_Channel1_IRQHandler,Default_Handler
.weak DMA0_Channel2_IRQHandler
.thumb_set DMA0_Channel2_IRQHandler,Default_Handler
.weak DMA0_Channel3_IRQHandler
.thumb_set DMA0_Channel3_IRQHandler,Default_Handler
.weak DMA0_Channel4_IRQHandler
.thumb_set DMA0_Channel4_IRQHandler,Default_Handler
.weak DMA0_Channel5_IRQHandler
.thumb_set DMA0_Channel5_IRQHandler,Default_Handler
.weak DMA0_Channel6_IRQHandler
.thumb_set DMA0_Channel6_IRQHandler,Default_Handler
.weak ADC0_1_IRQHandler
.thumb_set ADC0_1_IRQHandler,Default_Handler
.weak CAN0_TX_IRQHandler
.thumb_set CAN0_TX_IRQHandler,Default_Handler
.weak CAN0_RX0_IRQHandler
.thumb_set CAN0_RX0_IRQHandler,Default_Handler
.weak CAN0_RX1_IRQHandler
.thumb_set CAN0_RX1_IRQHandler,Default_Handler
.weak CAN0_EWMC_IRQHandler
.thumb_set CAN0_EWMC_IRQHandler,Default_Handler
.weak EXTI5_9_IRQHandler
.thumb_set EXTI5_9_IRQHandler,Default_Handler
.weak TIMER0_BRK_TIMER8_IRQHandler
.thumb_set TIMER0_BRK_TIMER8_IRQHandler,Default_Handler
.weak TIMER0_UP_TIMER9_IRQHandler
.thumb_set TIMER0_UP_TIMER9_IRQHandler,Default_Handler
.weak TIMER0_TRG_CMT_TIMER10_IRQHandler
.thumb_set TIMER0_TRG_CMT_TIMER10_IRQHandler,Default_Handler
.weak TIMER0_Channel_IRQHandler
.thumb_set TIMER0_Channel_IRQHandler,Default_Handler
.weak TIMER1_IRQHandler
.thumb_set TIMER1_IRQHandler,Default_Handler
.weak TIMER2_IRQHandler
.thumb_set TIMER2_IRQHandler,Default_Handler
.weak TIMER3_IRQHandler
.thumb_set TIMER3_IRQHandler,Default_Handler
.weak I2C0_EV_IRQHandler
.thumb_set I2C0_EV_IRQHandler,Default_Handler
.weak I2C0_ER_IRQHandler
.thumb_set I2C0_ER_IRQHandler,Default_Handler
.weak I2C1_EV_IRQHandler
.thumb_set I2C1_EV_IRQHandler,Default_Handler
.weak I2C1_ER_IRQHandler
.thumb_set I2C1_ER_IRQHandler,Default_Handler
.weak SPI0_IRQHandler
.thumb_set SPI0_IRQHandler,Default_Handler
.weak SPI1_IRQHandler
.thumb_set SPI1_IRQHandler,Default_Handler
.weak USART0_IRQHandler
.thumb_set USART0_IRQHandler,Default_Handler
.weak USART1_IRQHandler
.thumb_set USART1_IRQHandler,Default_Handler
.weak USART2_IRQHandler
.thumb_set USART2_IRQHandler,Default_Handler
.weak EXTI10_15_IRQHandler
.thumb_set EXTI10_15_IRQHandler,Default_Handler
.weak RTC_Alarm_IRQHandler
.thumb_set RTC_Alarm_IRQHandler,Default_Handler
.weak USBFS_WKUP_IRQHandler
.thumb_set USBFS_WKUP_IRQHandler,Default_Handler
.weak TIMER7_BRK_TIMER11_IRQHandler
.thumb_set TIMER7_BRK_TIMER11_IRQHandler,Default_Handler
.weak TIMER7_UP_TIMER12_IRQHandler
.thumb_set TIMER7_UP_TIMER12_IRQHandler,Default_Handler
.weak TIMER7_TRG_CMT_TIMER13_IRQHandler
.thumb_set TIMER7_TRG_CMT_TIMER13_IRQHandler,Default_Handler
.weak TIMER7_Channel_IRQHandler
.thumb_set TIMER7_Channel_IRQHandler,Default_Handler
.weak EXMC_IRQHandler
.thumb_set EXMC_IRQHandler,Default_Handler
.weak TIMER4_IRQHandler
.thumb_set TIMER4_IRQHandler,Default_Handler
.weak SPI2_IRQHandler
.thumb_set SPI2_IRQHandler,Default_Handler
.weak UART3_IRQHandler
.thumb_set UART3_IRQHandler,Default_Handler
.weak UART4_IRQHandler
.thumb_set UART4_IRQHandler,Default_Handler
.weak TIMER5_IRQHandler
.thumb_set TIMER5_IRQHandler,Default_Handler
.weak TIMER6_IRQHandler
.thumb_set TIMER6_IRQHandler,Default_Handler
.weak DMA1_Channel0_IRQHandler
.thumb_set DMA1_Channel0_IRQHandler,Default_Handler
.weak DMA1_Channel1_IRQHandler
.thumb_set DMA1_Channel1_IRQHandler,Default_Handler
.weak DMA1_Channel2_IRQHandler
.thumb_set DMA1_Channel2_IRQHandler,Default_Handler
.weak DMA1_Channel3_IRQHandler
.thumb_set DMA1_Channel3_IRQHandler,Default_Handler
.weak DMA1_Channel4_IRQHandler
.thumb_set DMA1_Channel4_IRQHandler,Default_Handler
.weak CAN1_TX_IRQHandler
.thumb_set CAN1_TX_IRQHandler,Default_Handler
.weak CAN1_RX0_IRQHandler
.thumb_set CAN1_RX0_IRQHandler,Default_Handler
.weak CAN1_RX1_IRQHandler
.thumb_set CAN1_RX1_IRQHandler,Default_Handler
.weak CAN1_EWMC_IRQHandler
.thumb_set CAN1_EWMC_IRQHandler,Default_Handler
.weak USBFS_IRQHandler
.thumb_set USBFS_IRQHandler,Default_Handler

37
targets/TARGET_GigaDevice/TARGET_GD32E10X/device/TOOLCHAIN_IAR/gd32e103vb.icf Normal file
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/*###ICF### Section handled by ICF editor, don't touch! ****/
/*-Editor annotation file-*/
/* IcfEditorFile="$TOOLKIT_DIR$\config\ide\IcfEditor\cortex_v1_0.xml" */
if (!isdefinedsymbol(MBED_APP_START)) { define symbol MBED_APP_START = 0x08000000; }
if (!isdefinedsymbol(MBED_APP_SIZE)) { define symbol MBED_APP_SIZE = 0x20000; }
if (!isdefinedsymbol(MBED_BOOT_STACK_SIZE)) { define symbol MBED_BOOT_STACK_SIZE = 0x400; }
/*-Specials-*/
define symbol __ICFEDIT_intvec_start__ = MBED_APP_START;
/*-Memory Regions-*/
define symbol __ICFEDIT_region_ROM_start__ = MBED_APP_START;
define symbol __ICFEDIT_region_ROM_end__ = MBED_APP_START + MBED_APP_SIZE - 1;
define symbol __ICFEDIT_region_NVIC_start__ = 0x20000000;
define symbol __ICFEDIT_region_NVIC_end__ = 0x2000014F;
define symbol __ICFEDIT_region_RAM_start__ = 0x20000150;
define symbol __ICFEDIT_region_RAM_end__ = 0x20007FFF;
/*-Sizes-*/
/*Heap 1/4 of ram and stack 1/8*/
define symbol __ICFEDIT_size_cstack__ = MBED_BOOT_STACK_SIZE;
define symbol __ICFEDIT_size_heap__ = 0x2000;
/**** End of ICF editor section. ###ICF###*/
define memory mem with size = 4G;
define region ROM_region = mem:[from __ICFEDIT_region_ROM_start__ to __ICFEDIT_region_ROM_end__];
define region RAM_region = mem:[from __ICFEDIT_region_RAM_start__ to __ICFEDIT_region_RAM_end__];
define block CSTACK with alignment = 8, size = __ICFEDIT_size_cstack__ { };
define block HEAP with alignment = 8, size = __ICFEDIT_size_heap__ { };
initialize by copy { readwrite };
do not initialize { section .noinit };
place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
place in ROM_region { readonly };
place in RAM_region { readwrite,
block HEAP, block CSTACK };

517
targets/TARGET_GigaDevice/TARGET_GD32E10X/device/TOOLCHAIN_IAR/startup_gd32e10x.S Normal file
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;/*!
; \file startup_gd32f30x_cl.S
; \brief start up file
;
; \version 2017-12-26, V1.0.0, firmware for GD32E10x
; \version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
;*/
;
;/*
; Copyright (c) 2018, GigaDevice Semiconductor Inc.
;
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without modification,
;are permitted provided that the following conditions are met:
;
; 1. Redistributions of source code must retain the above copyright notice, this
; list of conditions and the following disclaimer.
; 2. Redistributions in binary form must reproduce the above copyright notice,
; this list of conditions and the following disclaimer in the documentation
; and/or other materials provided with the distribution.
; 3. Neither the name of the copyright holder nor the names of its contributors
; may be used to endorse or promote products derived from this software without
; specific prior written permission.
;
; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
;AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
;WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
;IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
;INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
;NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
;PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
;WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
;ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
;OF SUCH DAMAGE.
;*/
MODULE ?cstartup
;; Forward declaration of sections.
SECTION CSTACK:DATA:NOROOT(3)
SECTION .intvec:CODE:NOROOT(2)
EXTERN __iar_program_start
EXTERN SystemInit
PUBLIC __vector_table
DATA
__vector_table
DCD sfe(CSTACK) ; top of stack
DCD Reset_Handler ; Vector Number 1,Reset Handler
DCD NMI_Handler ; Vector Number 2,NMI Handler
DCD HardFault_Handler ; Vector Number 3,Hard Fault Handler
DCD MemManage_Handler ; Vector Number 4,MPU Fault Handler
DCD BusFault_Handler ; Vector Number 5,Bus Fault Handler
DCD UsageFault_Handler ; Vector Number 6,Usage Fault Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD SVC_Handler ; Vector Number 11,SVCall Handler
DCD DebugMon_Handler ; Vector Number 12,Debug Monitor Handler
DCD 0 ; Reserved
DCD PendSV_Handler ; Vector Number 14,PendSV Handler
DCD SysTick_Handler ; Vector Number 15,SysTick Handler
; External Interrupts
DCD WWDGT_IRQHandler ; 16:Window Watchdog Timer
DCD LVD_IRQHandler ; 17:LVD through EXTI Line detect
DCD TAMPER_IRQHandler ; 18:Tamper through EXTI Line detect
DCD RTC_IRQHandler ; 19:RTC through EXTI Line
DCD FMC_IRQHandler ; 20:FMC
DCD RCU_CTC_IRQHandler ; 21:RCU and CTC
DCD EXTI0_IRQHandler ; 22:EXTI Line 0
DCD EXTI1_IRQHandler ; 23:EXTI Line 1
DCD EXTI2_IRQHandler ; 24:EXTI Line 2
DCD EXTI3_IRQHandler ; 25:EXTI Line 3
DCD EXTI4_IRQHandler ; 26:EXTI Line 4
DCD DMA0_Channel0_IRQHandler ; 27:DMA0 Channel0
DCD DMA0_Channel1_IRQHandler ; 28:DMA0 Channel1
DCD DMA0_Channel2_IRQHandler ; 29:DMA0 Channel2
DCD DMA0_Channel3_IRQHandler ; 30:DMA0 Channel3
DCD DMA0_Channel4_IRQHandler ; 31:DMA0 Channel4
DCD DMA0_Channel5_IRQHandler ; 32:DMA0 Channel5
DCD DMA0_Channel6_IRQHandler ; 33:DMA0 Channel6
DCD ADC0_1_IRQHandler ; 34:ADC0 and ADC1
DCD CAN0_TX_IRQHandler ; 35:CAN0 TX
DCD CAN0_RX0_IRQHandler ; 36:CAN0 RX0
DCD CAN0_RX1_IRQHandler ; 37:CAN0 RX1
DCD CAN0_EWMC_IRQHandler ; 38:CAN0 EWMC
DCD EXTI5_9_IRQHandler ; 39:EXTI5 to EXTI9
DCD TIMER0_BRK_TIMER8_IRQHandler ; 40:TIMER0 Break and TIMER8
DCD TIMER0_UP_TIMER9_IRQHandler ; 41:TIMER0 Update and TIMER9
DCD TIMER0_TRG_CMT_TIMER10_IRQHandler ; 42:TIMER0 Trigger and Commucation and TIMER10
DCD TIMER0_Channel_IRQHandler ; 43:TIMER0 Channel Capture Compare
DCD TIMER1_IRQHandler ; 44:TIMER1
DCD TIMER2_IRQHandler ; 45:TIMER2
DCD TIMER3_IRQHandler ; 46:TIMER3
DCD I2C0_EV_IRQHandler ; 47:I2C0 Event
DCD I2C0_ER_IRQHandler ; 48:I2C0 Error
DCD I2C1_EV_IRQHandler ; 49:I2C1 Event
DCD I2C1_ER_IRQHandler ; 50:I2C1 Error
DCD SPI0_IRQHandler ; 51:SPI0
DCD SPI1_IRQHandler ; 52:SPI1
DCD USART0_IRQHandler ; 53:USART0
DCD USART1_IRQHandler ; 54:USART1
DCD USART2_IRQHandler ; 55:USART2
DCD EXTI10_15_IRQHandler ; 56:EXTI10 to EXTI15
DCD RTC_Alarm_IRQHandler ; 57:RTC Alarm
DCD USBFS_WKUP_IRQHandler ; 58:USBFS Wakeup
DCD TIMER7_BRK_TIMER11_IRQHandler ; 59:TIMER7 Break and TIMER11
DCD TIMER7_UP_TIMER12_IRQHandler ; 60:TIMER7 Update and TIMER12
DCD TIMER7_TRG_CMT_TIMER13_IRQHandler ; 61:TIMER7 Trigger and Commucation and TIMER13
DCD TIMER7_Channel_IRQHandler ; 62:TIMER7 Channel Capture Compare
DCD 0 ; 63:Reserved
DCD EXMC_IRQHandler ; 64:EXMC
DCD 0 ; 65:Reserved
DCD TIMER4_IRQHandler ; 66:TIMER4
DCD SPI2_IRQHandler ; 67:SPI2
DCD UART3_IRQHandler ; 68:UART3
DCD UART4_IRQHandler ; 69:UART4
DCD TIMER5_IRQHandler ; 70:TIMER5
DCD TIMER6_IRQHandler ; 71:TIMER6
DCD DMA1_Channel0_IRQHandler ; 72:DMA1 Channel0
DCD DMA1_Channel1_IRQHandler ; 73:DMA1 Channel1
DCD DMA1_Channel2_IRQHandler ; 74:DMA1 Channel2
DCD DMA1_Channel3_IRQHandler ; 75:DMA1 Channel3
DCD DMA1_Channel4_IRQHandler ; 76:DMA1 Channel4
DCD 0 ; 77:Reserved
DCD 0 ; 78:Reserved
DCD CAN1_TX_IRQHandler ; 79:CAN1 TX
DCD CAN1_RX0_IRQHandler ; 80:CAN1 RX0
DCD CAN1_RX1_IRQHandler ; 81:CAN1 RX1
DCD CAN1_EWMC_IRQHandler ; 82:CAN1 EWMC
DCD USBFS_IRQHandler ; 83:USBFS
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; Default interrupt handlers.
;;
THUMB
PUBWEAK Reset_Handler
SECTION .text:CODE:NOROOT:REORDER(2)
Reset_Handler
LDR R0, =SystemInit
BLX R0
LDR R0, =__iar_program_start
BX R0
PUBWEAK NMI_Handler
SECTION .text:CODE:NOROOT:REORDER(1)
NMI_Handler
B NMI_Handler
PUBWEAK HardFault_Handler
SECTION .text:CODE:NOROOT:REORDER(1)
HardFault_Handler
B HardFault_Handler
PUBWEAK MemManage_Handler
SECTION .text:CODE:NOROOT:REORDER(1)
MemManage_Handler
B MemManage_Handler
PUBWEAK BusFault_Handler
SECTION .text:CODE:NOROOT:REORDER(1)
BusFault_Handler
B BusFault_Handler
PUBWEAK UsageFault_Handler
SECTION .text:CODE:NOROOT:REORDER(1)
UsageFault_Handler
B UsageFault_Handler
PUBWEAK SVC_Handler
SECTION .text:CODE:NOROOT:REORDER(1)
SVC_Handler
B SVC_Handler
PUBWEAK DebugMon_Handler
SECTION .text:CODE:NOROOT:REORDER(1)
DebugMon_Handler
B DebugMon_Handler
PUBWEAK PendSV_Handler
SECTION .text:CODE:NOROOT:REORDER(1)
PendSV_Handler
B PendSV_Handler
PUBWEAK SysTick_Handler
SECTION .text:CODE:NOROOT:REORDER(1)
SysTick_Handler
B SysTick_Handler
PUBWEAK WWDGT_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
WWDGT_IRQHandler
B WWDGT_IRQHandler
PUBWEAK LVD_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
LVD_IRQHandler
B LVD_IRQHandler
PUBWEAK TAMPER_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
TAMPER_IRQHandler
B TAMPER_IRQHandler
PUBWEAK RTC_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
RTC_IRQHandler
B RTC_IRQHandler
PUBWEAK FMC_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
FMC_IRQHandler
B FMC_IRQHandler
PUBWEAK RCU_CTC_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
RCU_CTC_IRQHandler
B RCU_CTC_IRQHandler
PUBWEAK EXTI0_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
EXTI0_IRQHandler
B EXTI0_IRQHandler
PUBWEAK EXTI1_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
EXTI1_IRQHandler
B EXTI1_IRQHandler
PUBWEAK EXTI2_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
EXTI2_IRQHandler
B EXTI2_IRQHandler
PUBWEAK EXTI3_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
EXTI3_IRQHandler
B EXTI3_IRQHandler
PUBWEAK EXTI4_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
EXTI4_IRQHandler
B EXTI4_IRQHandler
PUBWEAK DMA0_Channel0_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
DMA0_Channel0_IRQHandler
B DMA0_Channel0_IRQHandler
PUBWEAK DMA0_Channel1_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
DMA0_Channel1_IRQHandler
B DMA0_Channel1_IRQHandler
PUBWEAK DMA0_Channel2_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
DMA0_Channel2_IRQHandler
B DMA0_Channel2_IRQHandler
PUBWEAK DMA0_Channel3_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
DMA0_Channel3_IRQHandler
B DMA0_Channel3_IRQHandler
PUBWEAK DMA0_Channel4_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
DMA0_Channel4_IRQHandler
B DMA0_Channel4_IRQHandler
PUBWEAK DMA0_Channel5_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
DMA0_Channel5_IRQHandler
B DMA0_Channel5_IRQHandler
PUBWEAK DMA0_Channel6_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
DMA0_Channel6_IRQHandler
B DMA0_Channel6_IRQHandler
PUBWEAK ADC0_1_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
ADC0_1_IRQHandler
B ADC0_1_IRQHandler
PUBWEAK CAN0_TX_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
CAN0_TX_IRQHandler
B CAN0_TX_IRQHandler
PUBWEAK CAN0_RX0_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
CAN0_RX0_IRQHandler
B CAN0_RX0_IRQHandler
PUBWEAK CAN0_RX1_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
CAN0_RX1_IRQHandler
B CAN0_RX1_IRQHandler
PUBWEAK CAN0_EWMC_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
CAN0_EWMC_IRQHandler
B CAN0_EWMC_IRQHandler
PUBWEAK EXTI5_9_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
EXTI5_9_IRQHandler
B EXTI5_9_IRQHandler
PUBWEAK TIMER0_BRK_TIMER8_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
TIMER0_BRK_TIMER8_IRQHandler
B TIMER0_BRK_TIMER8_IRQHandler
PUBWEAK TIMER0_UP_TIMER9_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
TIMER0_UP_TIMER9_IRQHandler
B TIMER0_UP_TIMER9_IRQHandler
PUBWEAK TIMER0_TRG_CMT_TIMER10_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
TIMER0_TRG_CMT_TIMER10_IRQHandler
B TIMER0_TRG_CMT_TIMER10_IRQHandler
PUBWEAK TIMER0_Channel_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
TIMER0_Channel_IRQHandler
B TIMER0_Channel_IRQHandler
PUBWEAK TIMER1_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
TIMER1_IRQHandler
B TIMER1_IRQHandler
PUBWEAK TIMER2_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
TIMER2_IRQHandler
B TIMER2_IRQHandler
PUBWEAK TIMER3_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
TIMER3_IRQHandler
B TIMER3_IRQHandler
PUBWEAK I2C0_EV_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
I2C0_EV_IRQHandler
B I2C0_EV_IRQHandler
PUBWEAK I2C0_ER_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
I2C0_ER_IRQHandler
B I2C0_ER_IRQHandler
PUBWEAK I2C1_EV_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
I2C1_EV_IRQHandler
B I2C1_EV_IRQHandler
PUBWEAK I2C1_ER_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
I2C1_ER_IRQHandler
B I2C1_ER_IRQHandler
PUBWEAK SPI0_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
SPI0_IRQHandler
B SPI0_IRQHandler
PUBWEAK SPI1_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
SPI1_IRQHandler
B SPI1_IRQHandler
PUBWEAK USART0_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
USART0_IRQHandler
B USART0_IRQHandler
PUBWEAK USART1_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
USART1_IRQHandler
B USART1_IRQHandler
PUBWEAK USART2_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
USART2_IRQHandler
B USART2_IRQHandler
PUBWEAK EXTI10_15_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
EXTI10_15_IRQHandler
B EXTI10_15_IRQHandler
PUBWEAK RTC_Alarm_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
RTC_Alarm_IRQHandler
B RTC_Alarm_IRQHandler
PUBWEAK USBFS_WKUP_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
USBFS_WKUP_IRQHandler
B USBFS_WKUP_IRQHandler
PUBWEAK TIMER7_BRK_TIMER11_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
TIMER7_BRK_TIMER11_IRQHandler
B TIMER7_BRK_TIMER11_IRQHandler
PUBWEAK TIMER7_UP_TIMER12_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
TIMER7_UP_TIMER12_IRQHandler
B TIMER7_UP_TIMER12_IRQHandler
PUBWEAK TIMER7_TRG_CMT_TIMER13_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
TIMER7_TRG_CMT_TIMER13_IRQHandler
B TIMER7_TRG_CMT_TIMER13_IRQHandler
PUBWEAK TIMER7_Channel_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
TIMER7_Channel_IRQHandler
B TIMER7_Channel_IRQHandler
PUBWEAK EXMC_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
EXMC_IRQHandler
B EXMC_IRQHandler
PUBWEAK TIMER4_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
TIMER4_IRQHandler
B TIMER4_IRQHandler
PUBWEAK SPI2_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
SPI2_IRQHandler
B SPI2_IRQHandler
PUBWEAK UART3_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
UART3_IRQHandler
B UART3_IRQHandler
PUBWEAK UART4_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
UART4_IRQHandler
B UART4_IRQHandler
PUBWEAK TIMER5_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
TIMER5_IRQHandler
B TIMER5_IRQHandler
PUBWEAK TIMER6_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
TIMER6_IRQHandler
B TIMER6_IRQHandler
PUBWEAK DMA1_Channel0_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
DMA1_Channel0_IRQHandler
B DMA1_Channel0_IRQHandler
PUBWEAK DMA1_Channel1_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
DMA1_Channel1_IRQHandler
B DMA1_Channel1_IRQHandler
PUBWEAK DMA1_Channel2_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
DMA1_Channel2_IRQHandler
B DMA1_Channel2_IRQHandler
PUBWEAK DMA1_Channel3_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
DMA1_Channel3_IRQHandler
B DMA1_Channel3_IRQHandler
PUBWEAK DMA1_Channel4_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
DMA1_Channel4_IRQHandler
B DMA1_Channel4_IRQHandler
PUBWEAK CAN1_TX_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
CAN1_TX_IRQHandler
B CAN1_TX_IRQHandler
PUBWEAK CAN1_RX0_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
CAN1_RX0_IRQHandler
B CAN1_RX0_IRQHandler
PUBWEAK CAN1_RX1_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
CAN1_RX1_IRQHandler
B CAN1_RX1_IRQHandler
PUBWEAK CAN1_EWMC_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
CAN1_EWMC_IRQHandler
B CAN1_EWMC_IRQHandler
PUBWEAK USBFS_IRQHandler
SECTION .text:CODE:NOROOT:REORDER(1)
USBFS_IRQHandler
B USBFS_IRQHandler
END

38
targets/TARGET_GigaDevice/TARGET_GD32E10X/device/cmsis.h Normal file
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/* mbed Microcontroller Library
* A generic CMSIS include header
Copyright (c) 2018, GigaDevice Semiconductor Inc. All rights reserved.
SPDX-License-Identifier: BSD-3-Clause
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef MBED_CMSIS_H
#define MBED_CMSIS_H
#include "gd32e10x.h"
#include "cmsis_nvic.h"
#endif /* MBED_CMSIS_H */

41
targets/TARGET_GigaDevice/TARGET_GD32E10X/device/cmsis_nvic.h Normal file
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/* mbed Microcontroller Library
* CMSIS-style functionality to support dynamic vectors
*******************************************************************************
* Copyright (c) 2011 ARM Limited. All rights reserved.
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of ARM Limited nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************
*/
#ifndef MBED_CMSIS_NVIC_H
#define MBED_CMSIS_NVIC_H
#define NVIC_NUM_VECTORS (16 + 68) /* ARM CORE:16 Vectors; MCU Peripherals:68 Vectors */
#define NVIC_RAM_VECTOR_ADDRESS 0x20000000
#endif /* MBED_CMSIS_NVIC_H */

283
targets/TARGET_GigaDevice/TARGET_GD32E10X/device/gd32e10x.h Normal file
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/*!
\file gd32e10x.h
\brief general definitions for GD32E10x
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_H
#define GD32E10X_H
#ifdef __cplusplus
extern "C" {
#endif
/* define GD32E10X */
#if !defined (GD32E10X)
#define GD32E10X
#endif /* define GD32E10x */
#if !defined (GD32E10X)
#error "Please select the target GD32E10X device used in your application (in gd32e10x.h file)"
#endif /* undefine GD32E10X tip */
/* define value of high speed crystal oscillator (HXTAL) in Hz */
#if !defined HXTAL_VALUE
#define HXTAL_VALUE ((uint32_t)8000000) /*!< value of the external oscillator in Hz */
#define HXTAL_VALUE_8M HXTAL_VALUE
#endif /* high speed crystal oscillator value */
/* define startup timeout value of high speed crystal oscillator (HXTAL) */
#if !defined (HXTAL_STARTUP_TIMEOUT)
#define HXTAL_STARTUP_TIMEOUT ((uint16_t)0x0800)
#endif /* high speed crystal oscillator startup timeout */
/* define value of internal 48MHz RC oscillator (IRC48M) in Hz */
#if !defined (IRC48M_VALUE)
#define IRC48M_VALUE ((uint32_t)48000000)
#endif /* internal 48MHz RC oscillator value */
/* define value of internal 8MHz RC oscillator (IRC8M) in Hz */
#if !defined (IRC8M_VALUE)
#define IRC8M_VALUE ((uint32_t)8000000)
#endif /* internal 8MHz RC oscillator value */
/* define startup timeout value of internal 8MHz RC oscillator (IRC8M) */
#if !defined (IRC8M_STARTUP_TIMEOUT)
#define IRC8M_STARTUP_TIMEOUT ((uint16_t)0x0500)
#endif /* internal 8MHz RC oscillator startup timeout */
/* define value of internal 40KHz RC oscillator(IRC40K) in Hz */
#if !defined (IRC40K_VALUE)
#define IRC40K_VALUE ((uint32_t)40000)
#endif /* internal 40KHz RC oscillator value */
/* define value of low speed crystal oscillator (LXTAL)in Hz */
#if !defined (LXTAL_VALUE)
#define LXTAL_VALUE ((uint32_t)32768)
#endif /* low speed crystal oscillator value */
/* GD32E10x firmware library version number V1.0 */
#define __GD32E10x_STDPERIPH_VERSION_MAIN (0x01) /*!< [31:24] main version */
#define __GD32E10x_STDPERIPH_VERSION_SUB1 (0x00) /*!< [23:16] sub1 version */
#define __GD32E10x_STDPERIPH_VERSION_SUB2 (0x00) /*!< [15:8] sub2 version */
#define __GD32E10x_STDPERIPH_VERSION_RC (0x00) /*!< [7:0] release candidate */
#define __GD32E10x_STDPERIPH_VERSION ((__GD32E10x_STDPERIPH_VERSION_MAIN << 24)\
|(__GD32E10x_STDPERIPH_VERSION_SUB1 << 16)\
|(__GD32E10x_STDPERIPH_VERSION_SUB2 << 8)\
|(__GD32E10x_STDPERIPH_VERSION_RC))
/* configuration of the Cortex-M4 processor and core peripherals */
#define __CM4_REV 0x0001 /*!< Core revision r0p1 */
#define __MPU_PRESENT 0 /*!< GD32E10x do not provide MPU */
#define __NVIC_PRIO_BITS 4 /*!< GD32E10x uses 4 bits for the priority levels */
#define __Vendor_SysTickConfig 0 /*!< set to 1 if different sysTick config is used */
#define __FPU_PRESENT 1 /*!< FPU present */
/* define interrupt number */
typedef enum IRQn {
/* Cortex-M4 processor exceptions numbers */
NonMaskableInt_IRQn = -14, /*!< 2 non maskable interrupt */
MemoryManagement_IRQn = -12, /*!< 4 Cortex-M4 memory management interrupt */
BusFault_IRQn = -11, /*!< 5 Cortex-M4 bus fault interrupt */
UsageFault_IRQn = -10, /*!< 6 Cortex-M4 usage fault interrupt */
SVCall_IRQn = -5, /*!< 11 Cortex-M4 SV call interrupt */
DebugMonitor_IRQn = -4, /*!< 12 Cortex-M4 debug monitor interrupt */
PendSV_IRQn = -2, /*!< 14 Cortex-M4 pend SV interrupt */
SysTick_IRQn = -1, /*!< 15 Cortex-M4 system tick interrupt */
/* interruput numbers */
WWDGT_IRQn = 0, /*!< window watchDog timer interrupt */
LVD_IRQn = 1, /*!< LVD through EXTI line detect interrupt */
TAMPER_IRQn = 2, /*!< tamper through EXTI line detect */
RTC_IRQn = 3, /*!< RTC through EXTI line interrupt */
FMC_IRQn = 4, /*!< FMC interrupt */
RCU_CTC_IRQn = 5, /*!< RCU and CTC interrupt */
EXTI0_IRQn = 6, /*!< EXTI line 0 interrupts */
EXTI1_IRQn = 7, /*!< EXTI line 1 interrupts */
EXTI2_IRQn = 8, /*!< EXTI line 2 interrupts */
EXTI3_IRQn = 9, /*!< EXTI line 3 interrupts */
EXTI4_IRQn = 10, /*!< EXTI line 4 interrupts */
DMA0_Channel0_IRQn = 11, /*!< DMA0 channel0 interrupt */
DMA0_Channel1_IRQn = 12, /*!< DMA0 channel1 interrupt */
DMA0_Channel2_IRQn = 13, /*!< DMA0 channel2 interrupt */
DMA0_Channel3_IRQn = 14, /*!< DMA0 channel3 interrupt */
DMA0_Channel4_IRQn = 15, /*!< DMA0 channel4 interrupt */
DMA0_Channel5_IRQn = 16, /*!< DMA0 channel5 interrupt */
DMA0_Channel6_IRQn = 17, /*!< DMA0 channel6 interrupt */
ADC0_1_IRQn = 18, /*!< ADC0 and ADC1 interrupt */
CAN0_TX_IRQn = 19, /*!< CAN0 TX interrupts */
CAN0_RX0_IRQn = 20, /*!< CAN0 RX0 interrupts */
CAN0_RX1_IRQn = 21, /*!< CAN0 RX1 interrupts */
CAN0_EWMC_IRQn = 22, /*!< CAN0 EWMC interrupts */
EXTI5_9_IRQn = 23, /*!< EXTI[9:5] interrupts */
TIMER0_BRK_TIMER8_IRQn = 24, /*!< TIMER0 break and TIMER8 interrupts */
TIMER0_UP_TIMER9_IRQn = 25, /*!< TIMER0 update and TIMER9 interrupts */
TIMER0_TRG_CMT_TIMER10_IRQn = 26, /*!< TIMER0 trigger and commutation and TIMER10 interrupts */
TIMER0_Channel_IRQn = 27, /*!< TIMER0 channel capture compare interrupts */
TIMER1_IRQn = 28, /*!< TIMER1 interrupt */
TIMER2_IRQn = 29, /*!< TIMER2 interrupt */
TIMER3_IRQn = 30, /*!< TIMER3 interrupts */
I2C0_EV_IRQn = 31, /*!< I2C0 event interrupt */
I2C0_ER_IRQn = 32, /*!< I2C0 error interrupt */
I2C1_EV_IRQn = 33, /*!< I2C1 event interrupt */
I2C1_ER_IRQn = 34, /*!< I2C1 error interrupt */
SPI0_IRQn = 35, /*!< SPI0 interrupt */
SPI1_IRQn = 36, /*!< SPI1 interrupt */
USART0_IRQn = 37, /*!< USART0 interrupt */
USART1_IRQn = 38, /*!< USART1 interrupt */
USART2_IRQn = 39, /*!< USART2 interrupt */
EXTI10_15_IRQn = 40, /*!< EXTI[15:10] interrupts */
RTC_ALARM_IRQn = 41, /*!< RTC alarm interrupt */
USBFS_WKUP_IRQn = 42, /*!< USBFS wakeup interrupt */
TIMER7_BRK_TIMER11_IRQn = 43, /*!< TIMER7 break and TIMER11 interrupts */
TIMER7_UP_TIMER12_IRQn = 44, /*!< TIMER7 update and TIMER12 interrupts */
TIMER7_TRG_CMT_TIMER13_IRQn = 45, /*!< TIMER7 trigger and commutation and TIMER13 interrupts */
TIMER7_Channel_IRQn = 46, /*!< TIMER7 channel capture compare interrupts */
EXMC_IRQn = 48, /*!< EXMC global interrupt */
TIMER4_IRQn = 50, /*!< TIMER4 global interrupt */
SPI2_IRQn = 51, /*!< SPI2 global interrupt */
UART3_IRQn = 52, /*!< UART3 global interrupt */
UART4_IRQn = 53, /*!< UART4 global interrupt */
TIMER5_IRQn = 54, /*!< TIMER5 global interrupt */
TIMER6_IRQn = 55, /*!< TIMER6 global interrupt */
DMA1_Channel0_IRQn = 56, /*!< DMA1 channel0 global interrupt */
DMA1_Channel1_IRQn = 57, /*!< DMA1 channel1 global interrupt */
DMA1_Channel2_IRQn = 58, /*!< DMA1 channel2 global interrupt */
DMA1_Channel3_IRQn = 59, /*!< DMA1 channel3 global interrupt */
DMA1_Channel4_IRQn = 60, /*!< DMA1 channel3 global interrupt */
CAN1_TX_IRQn = 63, /*!< CAN1 TX interrupt */
CAN1_RX0_IRQn = 64, /*!< CAN1 RX0 interrupt */
CAN1_RX1_IRQn = 65, /*!< CAN1 RX1 interrupt */
CAN1_EWMC_IRQn = 66, /*!< CAN1 EWMC interrupt */
USBFS_IRQn = 67, /*!< USBFS global interrupt */
} IRQn_Type;
/* includes */
#include "core_cm4.h"
#include "system_gd32e10x.h"
#include <stdint.h>
#define GD_MBED_USED
#ifdef GD_MBED_USED
typedef enum {
GD_OK = 0x00U,
GD_ERROR = 0x01U,
GD_BUSY = 0x02U,
GD_TIMEOUT = 0x03U
} gd_status_enum;
typedef enum {
OP_STATE_RESET = 0x00U,
OP_STATE_READY = 0x01U,
OP_STATE_BUSY = 0x02U,
OP_STATE_TIMEOUT = 0x03U,
OP_STATE_ERROR = 0x04U,
OP_STATE_ABORT = 0x05U,
OP_STATE_LISTEN = 0x06U,
OP_STATE_BUSY_TX = 0x21U, /* (OP_STATE_BUSY << 4) + 1 */
OP_STATE_BUSY_RX = 0x22U, /* (OP_STATE_BUSY << 4) + 2 */
OP_STATE_BUSY_TX_LISTEN = 0x61U, /* (OP_STATE_LISTEN << 4) + 1 */
OP_STATE_BUSY_RX_LISTEN = 0x62U, /* (OP_STATE_LISTEN << 4) + 2 */
OP_STATE_BUTT
} operation_state_enum;
#endif
/* enum definitions */
typedef enum {DISABLE = 0, ENABLE = !DISABLE} EventStatus, ControlStatus;
typedef enum {RESET = 0, SET = !RESET} FlagStatus;
typedef enum {ERROR = 0, SUCCESS = !ERROR} ErrStatus;
/* bit operations */
#define REG32(addr) (*(volatile uint32_t *)(uint32_t)(addr))
#define REG16(addr) (*(volatile uint16_t *)(uint32_t)(addr))
#define REG8(addr) (*(volatile uint8_t *)(uint32_t)(addr))
#define BIT(x) ((uint32_t)((uint32_t)0x01U<<(x)))
#define BITS(start, end) ((0xFFFFFFFFUL << (start)) & (0xFFFFFFFFUL >> (31U - (uint32_t)(end))))
#define GET_BITS(regval, start, end) (((regval) & BITS((start),(end))) >> (start))
/* main flash and SRAM memory map */
#define FLASH_BASE ((uint32_t)0x08000000U) /*!< main FLASH base address */
#define SRAM_BASE ((uint32_t)0x20000000U) /*!< SRAM0 base address */
#define OB_BASE ((uint32_t)0x1FFFF800U) /*!< OB base address */
#define DBG_BASE ((uint32_t)0xE0042000U) /*!< DBG base address */
#define EXMC_BASE ((uint32_t)0xA0000000U) /*!< EXMC register base address */
/* peripheral memory map */
#define APB1_BUS_BASE ((uint32_t)0x40000000U) /*!< apb1 base address */
#define APB2_BUS_BASE ((uint32_t)0x40010000U) /*!< apb2 base address */
#define AHB1_BUS_BASE ((uint32_t)0x40018000U) /*!< ahb1 base address */
#define AHB3_BUS_BASE ((uint32_t)0x60000000U) /*!< ahb3 base address */
/* advanced peripheral bus 1 memory map */
#define TIMER_BASE (APB1_BUS_BASE + 0x00000000U) /*!< TIMER base address */
#define RTC_BASE (APB1_BUS_BASE + 0x00002800U) /*!< RTC base address */
#define WWDGT_BASE (APB1_BUS_BASE + 0x00002C00U) /*!< WWDGT base address */
#define FWDGT_BASE (APB1_BUS_BASE + 0x00003000U) /*!< FWDGT base address */
#define SPI_BASE (APB1_BUS_BASE + 0x00003800U) /*!< SPI base address */
#define USART_BASE (APB1_BUS_BASE + 0x00004400U) /*!< USART base address */
#define I2C_BASE (APB1_BUS_BASE + 0x00005400U) /*!< I2C base address */
#define USBD_BASE (APB1_BUS_BASE + 0x00005C00U) /*!< USBD base address */
#define CAN_BASE (APB1_BUS_BASE + 0x00006400U) /*!< CAN base address */
#define BKP_BASE (APB1_BUS_BASE + 0x00006C00U) /*!< BKP base address */
#define PMU_BASE (APB1_BUS_BASE + 0x00007000U) /*!< PMU base address */
#define DAC_BASE (APB1_BUS_BASE + 0x00007400U) /*!< DAC base address */
#define CTC_BASE (APB1_BUS_BASE + 0x0000C800U) /*!< CTC base address */
/* advanced peripheral bus 2 memory map */
#define AFIO_BASE (APB2_BUS_BASE + 0x00000000U) /*!< AFIO base address */
#define EXTI_BASE (APB2_BUS_BASE + 0x00000400U) /*!< EXTI base address */
#define GPIO_BASE (APB2_BUS_BASE + 0x00000800U) /*!< GPIO base address */
#define ADC_BASE (APB2_BUS_BASE + 0x00002400U) /*!< ADC base address */
/* advanced high performance bus 1 memory map */
#define DMA_BASE (AHB1_BUS_BASE + 0x00008000U) /*!< DMA base address */
#define RCU_BASE (AHB1_BUS_BASE + 0x00009000U) /*!< RCU base address */
#define FMC_BASE (AHB1_BUS_BASE + 0x0000A000U) /*!< FMC base address */
#define CRC_BASE (AHB1_BUS_BASE + 0x0000B000U) /*!< CRC base address */
#define USBFS_BASE (AHB1_BUS_BASE + 0x0FFE8000U) /*!< USBFS base address */
/* define marco USE_STDPERIPH_DRIVER */
#if !defined USE_STDPERIPH_DRIVER
#define USE_STDPERIPH_DRIVER
#endif
#ifdef USE_STDPERIPH_DRIVER
#include "gd32e10x_libopt.h"
#endif /* USE_STDPERIPH_DRIVER */
#ifdef __cplusplus
}
#endif
#endif

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/*!
\file gd32e10x_libopt.h
\brief library optional for gd32e10x
\version 2017-12-26, V1.0.0, firmware for GD32E10x
\version 2018-12-20, V1.1.0, firmware for GD32E10x(The version is for mbed)
*/
/*
Copyright (c) 2018, GigaDevice Semiconductor Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef GD32E10X_LIBOPT_H
#define GD32E10X_LIBOPT_H
#include "gd32e10x_rcu.h"
#include "gd32e10x_adc.h"
#include "gd32e10x_can.h"
#include "gd32e10x_crc.h"
#include "gd32e10x_ctc.h"
#include "gd32e10x_dac.h"
#include "gd32e10x_dbg.h"
#include "gd32e10x_dma.h"
#include "gd32e10x_exti.h"
#include "gd32e10x_fmc.h"
#include "gd32e10x_fwdgt.h"
#include "gd32e10x_gpio.h"
#include "gd32e10x_i2c.h"
#include "gd32e10x_pmu.h"
#include "gd32e10x_bkp.h"
#include "gd32e10x_rtc.h"
#include "gd32e10x_spi.h"
#include "gd32e10x_timer.h"
#include "gd32e10x_usart.h"
#include "gd32e10x_wwdgt.h"
#include "gd32e10x_misc.h"
#include "gd32e10x_exmc.h"
#endif /* GD32E10X_LIBOPT_H */

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __HAL_TICK_H
#define __HAL_TICK_H
#ifdef __cplusplus
extern "C" {
#endif
#include "gd32e10x.h"
#include "cmsis_nvic.h"
#define TICKER_TIMER TIMER2
#define TICKER_TIMER_IRQ TIMER2_IRQn
#define TICKER_TIMER_RCU_CLOCK_ENABLE rcu_periph_clock_enable(RCU_TIMER2);
#define TICKER_TIMER_DEBUG_STOP dbg_periph_enable(DBG_TIMER2_HOLD);
#define TICKER_TIMER_RESET_ENABLE rcu_periph_reset_enable(RCU_TIMER2RST)
#define TICKER_TIMER_RESET_DISABLE rcu_periph_reset_disable(RCU_TIMER2RST)
/* 16 for 16-bit timer, 32 for 32-bit timer */
#define TICKER_TIMER_WIDTH_BIT 16
/* 0 for CK_APB1, 1 for CK_APB2 */
#define TICKER_TIMER_CKAPB 1
#ifdef __cplusplus
}
#endif
#endif /* __HAL_TICK_H */

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/*!
\file system_gd32e10x.c
\brief CMSIS Cortex-M4 Device Peripheral Access Layer Source File for
GD32E10x Device Series
*/
/*
Copyright (c) 2012 ARM LIMITED
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
/* This file refers the CMSIS standard, some adjustments are made according to GigaDevice chips */
#include "gd32e10x.h"
/* system frequency define */
#define __IRC8M (IRC8M_VALUE) /* internal 8 MHz RC oscillator frequency */
#define __HXTAL (HXTAL_VALUE) /* high speed crystal oscillator frequency */
#define __SYS_OSC_CLK (__IRC8M) /* main oscillator frequency */
/* Vector Table base offset */
#define VECT_TAB_OFFSET 0x00 /* This value must be a multiple of 0x200. */
/* select a system clock by uncommenting the following line */
/* use IRC8M */
//#define __SYSTEM_CLOCK_IRC8M (uint32_t)(__IRC8M)
//#define __SYSTEM_CLOCK_48M_PLL_IRC8M (uint32_t)(48000000)
//#define __SYSTEM_CLOCK_72M_PLL_IRC8M (uint32_t)(72000000)
//#define __SYSTEM_CLOCK_108M_PLL_IRC8M (uint32_t)(108000000)
//#define __SYSTEM_CLOCK_120M_PLL_IRC8M (uint32_t)(120000000)
/* use HXTAL(CK_HXTAL = 8M) */
//#define __SYSTEM_CLOCK_HXTAL (uint32_t)(__HXTAL)
//#define __SYSTEM_CLOCK_48M_PLL_HXTAL (uint32_t)(48000000)
//#define __SYSTEM_CLOCK_72M_PLL_HXTAL (uint32_t)(72000000)
//#define __SYSTEM_CLOCK_108M_PLL_HXTAL (uint32_t)(108000000)
#define __SYSTEM_CLOCK_120M_PLL_HXTAL (uint32_t)(120000000)
#define SEL_IRC8M 0x00U
#define SEL_HXTAL 0x01U
#define SEL_PLL 0x02U
/* set the system clock frequency and declare the system clock configuration function */
#ifdef __SYSTEM_CLOCK_IRC8M
uint32_t SystemCoreClock = __SYSTEM_CLOCK_IRC8M;
static void system_clock_8m_irc8m(void);
#elif defined (__SYSTEM_CLOCK_48M_PLL_IRC8M)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_48M_PLL_IRC8M;
static void system_clock_48m_irc8m(void);
#elif defined (__SYSTEM_CLOCK_72M_PLL_IRC8M)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_72M_PLL_IRC8M;
static void system_clock_72m_irc8m(void);
#elif defined (__SYSTEM_CLOCK_108M_PLL_IRC8M)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_108M_PLL_IRC8M;
static void system_clock_108m_irc8m(void);
#elif defined (__SYSTEM_CLOCK_120M_PLL_IRC8M)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_120M_PLL_IRC8M;
static void system_clock_120m_irc8m(void);
#elif defined (__SYSTEM_CLOCK_HXTAL)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_HXTAL;
static void system_clock_hxtal(void);
#elif defined (__SYSTEM_CLOCK_48M_PLL_HXTAL)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_48M_PLL_HXTAL;
static void system_clock_48m_hxtal(void);
#elif defined (__SYSTEM_CLOCK_72M_PLL_HXTAL)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_72M_PLL_HXTAL;
static void system_clock_72m_hxtal(void);
#elif defined (__SYSTEM_CLOCK_108M_PLL_HXTAL)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_108M_PLL_HXTAL;
static void system_clock_108m_hxtal(void);
#elif defined (__SYSTEM_CLOCK_120M_PLL_HXTAL)
uint32_t SystemCoreClock = __SYSTEM_CLOCK_120M_PLL_HXTAL;
static void system_clock_120m_hxtal(void);
#endif /* __SYSTEM_CLOCK_IRC8M */
/* configure the system clock */
static void system_clock_config(void);
/*!
\brief setup the microcontroller system, initialize the system
\param[in] none
\param[out] none
\retval none
*/
void SystemInit(void)
{
/* FPU settings */
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
SCB->CPACR |= ((3UL << 10 * 2) | (3UL << 11 * 2)); /* set CP10 and CP11 Full Access */
#endif
/* reset the RCU clock configuration to the default reset state */
/* Set IRC8MEN bit */
RCU_CTL |= RCU_CTL_IRC8MEN;
/* Reset CFG0 and CFG1 registers */
RCU_CFG0 = 0x00000000U;
RCU_CFG1 = 0x00000000U;
/* Reset HXTALEN, CKMEN, PLLEN, PLL1EN and PLL2EN bits */
RCU_CTL &= ~(RCU_CTL_PLLEN | RCU_CTL_PLL1EN | RCU_CTL_PLL2EN | RCU_CTL_CKMEN | RCU_CTL_HXTALEN);
/* disable all interrupts */
RCU_INT = 0x00ff0000U;
/* reset HXTALBPS bit */
RCU_CTL &= ~(RCU_CTL_HXTALBPS);
/* configure the system clock source, PLL Multiplier, AHB/APBx prescalers and Flash settings */
system_clock_config();
}
/*!
\brief configure the system clock
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_config(void)
{
#ifdef __SYSTEM_CLOCK_IRC8M
system_clock_8m_irc8m();
#elif defined (__SYSTEM_CLOCK_48M_PLL_IRC8M)
system_clock_48m_irc8m();
#elif defined (__SYSTEM_CLOCK_72M_PLL_IRC8M)
system_clock_72m_irc8m();
#elif defined (__SYSTEM_CLOCK_108M_PLL_IRC8M)
system_clock_108m_irc8m();
#elif defined (__SYSTEM_CLOCK_120M_PLL_IRC8M)
system_clock_120m_irc8m();
#elif defined (__SYSTEM_CLOCK_HXTAL)
system_clock_hxtal();
#elif defined (__SYSTEM_CLOCK_48M_PLL_HXTAL)
system_clock_48m_hxtal();
#elif defined (__SYSTEM_CLOCK_72M_PLL_HXTAL)
system_clock_72m_hxtal();
#elif defined (__SYSTEM_CLOCK_108M_PLL_HXTAL)
system_clock_108m_hxtal();
#elif defined (__SYSTEM_CLOCK_120M_PLL_HXTAL)
system_clock_120m_hxtal();
#endif /* __SYSTEM_CLOCK_IRC8M */
}
#ifdef __SYSTEM_CLOCK_IRC8M
/*!
\brief configure the system clock to 8M by IRC8M
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_8m_irc8m(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable IRC8M */
RCU_CTL |= RCU_CTL_IRC8MEN;
/* wait until IRC8M is stable or the startup time is longer than IRC8M_STARTUP_TIMEOUT */
do {
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_IRC8MSTB);
} while ((0U == stab_flag) && (IRC8M_STARTUP_TIMEOUT != timeout));
/* if fail */
if (0U == (RCU_CTL & RCU_CTL_IRC8MSTB)) {
while (1) {
}
}
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* select IRC8M as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_IRC8M;
/* wait until IRC8M is selected as system clock */
while (0U != (RCU_CFG0 & RCU_SCSS_IRC8M)) {
}
}
#elif defined (__SYSTEM_CLOCK_48M_PLL_IRC8M)
/*!
\brief configure the system clock to 48M by PLL which selects IRC8M as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_48m_irc8m(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable IRC8M */
RCU_CTL |= RCU_CTL_IRC8MEN;
/* wait until IRC8M is stable or the startup time is longer than IRC8M_STARTUP_TIMEOUT */
do {
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_IRC8MSTB);
} while ((0U == stab_flag) && (IRC8M_STARTUP_TIMEOUT != timeout));
/* if fail */
if (0U == (RCU_CTL & RCU_CTL_IRC8MSTB)) {
while (1) {
}
}
FMC_WS = (FMC_WS & (~FMC_WS_WSCNT)) | FMC_WAIT_STATE_1;
/* IRC8M is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_IRC8M/2) * 12 = 48 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= RCU_PLL_MUL12;
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while (0U == (RCU_CTL & RCU_CTL_PLLSTB)) {
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while (0U == (RCU_CFG0 & RCU_SCSS_PLL)) {
}
}
#elif defined (__SYSTEM_CLOCK_72M_PLL_IRC8M)
/*!
\brief configure the system clock to 72M by PLL which selects IRC8M as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_72m_irc8m(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable IRC8M */
RCU_CTL |= RCU_CTL_IRC8MEN;
/* wait until IRC8M is stable or the startup time is longer than IRC8M_STARTUP_TIMEOUT */
do {
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_IRC8MSTB);
} while ((0U == stab_flag) && (IRC8M_STARTUP_TIMEOUT != timeout));
/* if fail */
if (0U == (RCU_CTL & RCU_CTL_IRC8MSTB)) {
while (1) {
}
}
FMC_WS = (FMC_WS & (~FMC_WS_WSCNT)) | FMC_WAIT_STATE_2;
/* IRC8M is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_IRC8M/2) * 18 = 72 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= RCU_PLL_MUL18;
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while (0U == (RCU_CTL & RCU_CTL_PLLSTB)) {
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while (0U == (RCU_CFG0 & RCU_SCSS_PLL)) {
}
}
#elif defined (__SYSTEM_CLOCK_108M_PLL_IRC8M)
/*!
\brief configure the system clock to 108M by PLL which selects IRC8M as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_108m_irc8m(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable IRC8M */
RCU_CTL |= RCU_CTL_IRC8MEN;
/* wait until IRC8M is stable or the startup time is longer than IRC8M_STARTUP_TIMEOUT */
do {
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_IRC8MSTB);
} while ((0U == stab_flag) && (IRC8M_STARTUP_TIMEOUT != timeout));
/* if fail */
if (0U == (RCU_CTL & RCU_CTL_IRC8MSTB)) {
while (1) {
}
}
FMC_WS = (FMC_WS & (~FMC_WS_WSCNT)) | FMC_WAIT_STATE_3;
/* IRC8M is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_IRC8M/2) * 27 = 108 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= RCU_PLL_MUL27;
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while (0U == (RCU_CTL & RCU_CTL_PLLSTB)) {
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while (0U == (RCU_CFG0 & RCU_SCSS_PLL)) {
}
}
#elif defined (__SYSTEM_CLOCK_120M_PLL_IRC8M)
/*!
\brief configure the system clock to 120M by PLL which selects IRC8M as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_120m_irc8m(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable IRC8M */
RCU_CTL |= RCU_CTL_IRC8MEN;
/* wait until IRC8M is stable or the startup time is longer than IRC8M_STARTUP_TIMEOUT */
do {
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_IRC8MSTB);
} while ((0U == stab_flag) && (IRC8M_STARTUP_TIMEOUT != timeout));
/* if fail */
if (0U == (RCU_CTL & RCU_CTL_IRC8MSTB)) {
while (1) {
}
}
FMC_WS = (FMC_WS & (~FMC_WS_WSCNT)) | FMC_WAIT_STATE_3;
/* IRC8M is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_IRC8M/2) * 30 = 120 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= RCU_PLL_MUL30;
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while (0U == (RCU_CTL & RCU_CTL_PLLSTB)) {
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while (0U == (RCU_CFG0 & RCU_SCSS_PLL)) {
}
}
#elif defined (__SYSTEM_CLOCK_HXTAL)
/*!
\brief configure the system clock to HXTAL
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_hxtal(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable HXTAL */
RCU_CTL |= RCU_CTL_HXTALEN;
/* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */
do {
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB);
} while ((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout));
/* if fail */
if (0U == (RCU_CTL & RCU_CTL_HXTALSTB)) {
while (1) {
}
}
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* select HXTAL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_HXTAL;
/* wait until HXTAL is selected as system clock */
while (0 == (RCU_CFG0 & RCU_SCSS_HXTAL)) {
}
}
#elif defined (__SYSTEM_CLOCK_48M_PLL_HXTAL)
/*!
\brief configure the system clock to 48M by PLL which selects HXTAL(8M) as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_48m_hxtal(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable HXTAL */
RCU_CTL |= RCU_CTL_HXTALEN;
/* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */
do {
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB);
} while ((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout));
/* if fail */
if (0U == (RCU_CTL & RCU_CTL_HXTALSTB)) {
while (1) {
}
}
FMC_WS = (FMC_WS & (~FMC_WS_WSCNT)) | FMC_WAIT_STATE_1;
/* HXTAL is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_PREDIV0) * 12 = 48 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= (RCU_PLLSRC_HXTAL_IRC48M | RCU_PLL_MUL12);
RCU_CFG1 &= ~(RCU_CFG1_PLLPRESEL | RCU_CFG1_PREDV0SEL | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV1 | RCU_CFG1_PREDV0);
#ifdef HXTAL_VALUE_8M
/* CK_PREDIV0 = (CK_HXTAL)/2 *10 /10 = 4 MHz */
RCU_CFG1 |= (RCU_PLLPRESRC_HXTAL | RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL10 | RCU_PREDV1_DIV2 | RCU_PREDV0_DIV10);
#elif defined (HXTAL_VALUE_25M)
/* CK_PREDIV0 = (CK_HXTAL)/5 *8 /10 = 4 MHz */
RCU_CFG1 |= (RCU_PLLPRESRC_HXTAL | RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL8 | RCU_PREDV1_DIV5 | RCU_PREDV0_DIV10);
#endif
/* enable PLL1 */
RCU_CTL |= RCU_CTL_PLL1EN;
/* wait till PLL1 is ready */
while ((RCU_CTL & RCU_CTL_PLL1STB) == 0) {
}
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while (0U == (RCU_CTL & RCU_CTL_PLLSTB)) {
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while (0U == (RCU_CFG0 & RCU_SCSS_PLL)) {
}
}
#elif defined (__SYSTEM_CLOCK_72M_PLL_HXTAL)
/*!
\brief configure the system clock to 72M by PLL which selects HXTAL(8M) as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_72m_hxtal(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable HXTAL */
RCU_CTL |= RCU_CTL_HXTALEN;
/* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */
do {
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB);
} while ((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout));
/* if fail */
if (0U == (RCU_CTL & RCU_CTL_HXTALSTB)) {
while (1) {
}
}
FMC_WS = (FMC_WS & (~FMC_WS_WSCNT)) | FMC_WAIT_STATE_2;
/* HXTAL is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_PREDIV0) * 18 = 72 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= (RCU_PLLSRC_HXTAL_IRC48M | RCU_PLL_MUL18);
RCU_CFG1 &= ~(RCU_CFG1_PLLPRESEL | RCU_CFG1_PREDV0SEL | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV1 | RCU_CFG1_PREDV0);
#ifdef HXTAL_VALUE_8M
/* CK_PREDIV0 = (CK_HXTAL)/2 *10 /10 = 4 MHz */
RCU_CFG1 |= (RCU_PLLPRESRC_HXTAL | RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL10 | RCU_PREDV1_DIV2 | RCU_PREDV0_DIV10);
#elif defined (HXTAL_VALUE_25M)
/* CK_PREDIV0 = (CK_HXTAL)/5 *8 /10 = 4 MHz */
RCU_CFG1 |= (RCU_PLLPRESRC_HXTAL | RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL8 | RCU_PREDV1_DIV5 | RCU_PREDV0_DIV10);
#endif
/* enable PLL1 */
RCU_CTL |= RCU_CTL_PLL1EN;
/* wait till PLL1 is ready */
while ((RCU_CTL & RCU_CTL_PLL1STB) == 0) {
}
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while (0U == (RCU_CTL & RCU_CTL_PLLSTB)) {
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while (0U == (RCU_CFG0 & RCU_SCSS_PLL)) {
}
}
#elif defined (__SYSTEM_CLOCK_108M_PLL_HXTAL)
/*!
\brief configure the system clock to 108M by PLL which selects HXTAL(8M) as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_108m_hxtal(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable HXTAL */
RCU_CTL |= RCU_CTL_HXTALEN;
/* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */
do {
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB);
} while ((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout));
/* if fail */
if (0U == (RCU_CTL & RCU_CTL_HXTALSTB)) {
while (1) {
}
}
FMC_WS = (FMC_WS & (~FMC_WS_WSCNT)) | FMC_WAIT_STATE_3;
/* HXTAL is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_PREDIV0) * 27 = 108 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= (RCU_PLLSRC_HXTAL_IRC48M | RCU_PLL_MUL27);
RCU_CFG1 &= ~(RCU_CFG1_PLLPRESEL | RCU_CFG1_PREDV0SEL | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV1 | RCU_CFG1_PREDV0);
#ifdef HXTAL_VALUE_8M
/* CK_PREDIV0 = (CK_HXTAL)/2 *10 /10 = 4 MHz */
RCU_CFG1 |= (RCU_PLLPRESRC_HXTAL | RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL10 | RCU_PREDV1_DIV2 | RCU_PREDV0_DIV10);
#elif defined (HXTAL_VALUE_25M)
/* CK_PREDIV0 = (CK_HXTAL)/5 *8 /10 = 4 MHz */
RCU_CFG1 |= (RCU_PLLPRESRC_HXTAL | RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL8 | RCU_PREDV1_DIV5 | RCU_PREDV0_DIV10);
#endif
/* enable PLL1 */
RCU_CTL |= RCU_CTL_PLL1EN;
/* wait till PLL1 is ready */
while ((RCU_CTL & RCU_CTL_PLL1STB) == 0) {
}
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while (0U == (RCU_CTL & RCU_CTL_PLLSTB)) {
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while (0U == (RCU_CFG0 & RCU_SCSS_PLL)) {
}
}
#elif defined (__SYSTEM_CLOCK_120M_PLL_HXTAL)
/*!
\brief configure the system clock to 120M by PLL which selects HXTAL(8M) as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_120m_hxtal(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable HXTAL */
RCU_CTL |= RCU_CTL_HXTALEN;
/* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */
do {
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB);
} while ((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout));
/* if fail */
if (0U == (RCU_CTL & RCU_CTL_HXTALSTB)) {
while (1) {
}
}
FMC_WS = (FMC_WS & (~FMC_WS_WSCNT)) | FMC_WAIT_STATE_3;
/* HXTAL is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_PREDIV0) * 30 = 120 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= (RCU_PLLSRC_HXTAL_IRC48M | RCU_PLL_MUL30);
RCU_CFG1 &= ~(RCU_CFG1_PLLPRESEL | RCU_CFG1_PREDV0SEL | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV1 | RCU_CFG1_PREDV0);
#ifdef HXTAL_VALUE_8M
/* CK_PREDIV0 = (CK_HXTAL)/2 *10 /10 = 4 MHz */
RCU_CFG1 |= (RCU_PLLPRESRC_HXTAL | RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL10 | RCU_PREDV1_DIV2 | RCU_PREDV0_DIV10);
#elif defined (HXTAL_VALUE_25M)
/* CK_PREDIV0 = (CK_HXTAL)/5 *8/10 = 4 MHz */
RCU_CFG1 |= (RCU_PLLPRESRC_HXTAL | RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL8 | RCU_PREDV1_DIV5 | RCU_PREDV0_DIV10);
#endif
/* enable PLL1 */
RCU_CTL |= RCU_CTL_PLL1EN;
/* wait till PLL1 is ready */
while ((RCU_CTL & RCU_CTL_PLL1STB) == 0U) {
}
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while (0U == (RCU_CTL & RCU_CTL_PLLSTB)) {
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while (0U == (RCU_CFG0 & RCU_SCSS_PLL)) {
}
}
#endif /* __SYSTEM_CLOCK_IRC8M */
/*!
\brief update the SystemCoreClock with current core clock retrieved from cpu registers
\param[in] none
\param[out] none
\retval none
*/
void SystemCoreClockUpdate(void)
{
uint32_t sws;
uint32_t pllsel, pllpresel, predv0sel, pllmf, ck_src;
uint32_t predv0, predv1, pll1mf;
sws = GET_BITS(RCU_CFG0, 2, 3);
switch (sws) {
/* IRC8M is selected as CK_SYS */
case SEL_IRC8M:
SystemCoreClock = IRC8M_VALUE;
break;
/* HXTAL is selected as CK_SYS */
case SEL_HXTAL:
SystemCoreClock = HXTAL_VALUE;
break;
/* PLL is selected as CK_SYS */
case SEL_PLL:
/* PLL clock source selection, HXTAL, IRC48M or IRC8M/2 */
pllsel = (RCU_CFG0 & RCU_CFG0_PLLSEL);
if (RCU_PLLSRC_HXTAL_IRC48M == pllsel) {
/* PLL clock source is HXTAL or IRC48M */
pllpresel = (RCU_CFG1 & RCU_CFG1_PLLPRESEL);
if (RCU_PLLPRESRC_HXTAL == pllpresel) {
/* PLL clock source is HXTAL */
ck_src = HXTAL_VALUE;
} else {
/* PLL clock source is IRC48 */
ck_src = IRC48M_VALUE;
}
predv0sel = (RCU_CFG1 & RCU_CFG1_PREDV0SEL);
/* source clock use PLL1 */
if (RCU_PREDV0SRC_CKPLL1 == predv0sel) {
predv1 = ((RCU_CFG1 & RCU_CFG1_PREDV1) >> 4) + 1U;
pll1mf = ((RCU_CFG1 & RCU_CFG1_PLL1MF) >> 8) + 2U;
if (17U == pll1mf) {
pll1mf = 20U;
}
ck_src = (ck_src / predv1) * pll1mf;
}
predv0 = (RCU_CFG1 & RCU_CFG1_PREDV0) + 1U;
ck_src /= predv0;
} else {
/* PLL clock source is IRC8M/2 */
ck_src = IRC8M_VALUE / 2U;
}
/* PLL multiplication factor */
pllmf = GET_BITS(RCU_CFG0, 18, 21);
if ((RCU_CFG0 & RCU_CFG0_PLLMF_4)) {
pllmf |= 0x10U;
}
if (pllmf < 15U) {
pllmf += 2U;
} else {
pllmf += 1U;
}
SystemCoreClock = ck_src * pllmf;
if (15U == pllmf) {
SystemCoreClock = ck_src * 6U + ck_src / 2U;
}
break;
/* IRC8M is selected as CK_SYS */
default:
SystemCoreClock = IRC8M_VALUE;
break;
}
}

58
targets/TARGET_GigaDevice/TARGET_GD32E10X/device/system_gd32e10x.h Normal file
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@ -0,0 +1,58 @@
/*!
\file system_gd32e10x.h
\brief CMSIS Cortex-M4 Device Peripheral Access Layer Header File for
GD32E10x Device Series
*/
/* Copyright (c) 2012 ARM LIMITED
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of ARM nor the names of its contributors may be used
to endorse or promote products derived from this software without
specific prior written permission.
*
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------*/
/* This file refers the CMSIS standard, some adjustments are made according to GigaDevice chips */
#ifndef SYSTEM_GD32E10X_H
#define SYSTEM_GD32E10X_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
/* system clock frequency (core clock) */
extern uint32_t SystemCoreClock;
/* function declarations */
/* initialize the system and update the SystemCoreClock variable */
extern void SystemInit(void);
/* update the SystemCoreClock with current core clock retrieved from cpu registers */
extern void SystemCoreClockUpdate(void);
#ifdef __cplusplus
}
#endif
#endif /* SYSTEM_GD32E10X_H */

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "flash_api.h"
#include "mbed_critical.h"
#if DEVICE_FLASH
#include "cmsis.h"
#define FLASH_SIZE (0x00020000U)
#define FLASH_PAGE_SIZE (0x00000400U)
#define FLASH_START_ADDR (0X08000000U)
#define FLASH_END_ADDR (0x0801FFFFU)
#define WORD_SIZE (4U)
/* unlock the main FLASH operation
*
* @return 0 for success, -1 for error
*/
static int32_t flash_unlock(void)
{
fmc_unlock();
if (RESET != (FMC_CTL & FMC_CTL_LK)) {
return -1;
}
return 0;
}
/* lock the main FLASH operation
*
* @return 0 for success, -1 for error
*/
static int32_t flash_lock(void)
{
fmc_lock();
if (RESET == (FMC_CTL & FMC_CTL_LK)) {
return -1;
}
return 0;
}
/** Initialize the flash peripheral and the flash_t object
*
* @param obj The flash object
* @return 0 for success, -1 for error
*/
int32_t flash_init(flash_t *obj)
{
return 0;
}
/** Uninitialize the flash peripheral and the flash_t object
*
* @param obj The flash object
* @return 0 for success, -1 for error
*/
int32_t flash_free(flash_t *obj)
{
return 0;
}
/** Erase one sector starting at defined address
*
* The address should be at sector boundary. This function does not do any check for address alignments
* @param obj The flash object
* @param address The sector starting address
* @return 0 for success, -1 for error
*/
int32_t flash_erase_sector(flash_t *obj, uint32_t address)
{
int32_t flash_state = 0;
flash_unlock();
/* clear FLASH flag */
fmc_flag_clear(FMC_FLAG_PGERR);
fmc_flag_clear(FMC_FLAG_PGAERR);
fmc_flag_clear(FMC_FLAG_WPERR);
fmc_flag_clear(FMC_FLAG_END);
/* make sure the address is a right page address */
if (FMC_READY != fmc_page_erase(address)) {
flash_state = -1;
}
flash_lock();
return flash_state;
}
/** Program pages starting at defined address
*
* The pages should not cross multiple sectors.
* This function does not do any check for address alignments or if size is aligned to a page size.
* @param obj The flash object
* @param address The sector starting address
* @param data The data buffer to be programmed
* @param size The number of bytes to program
* @return 0 for success, -1 for error
*/
int32_t flash_program_page(flash_t *obj, uint32_t address, const uint8_t *data, uint32_t size)
{
uint32_t *p_data;
p_data = (uint32_t *)data;
uint32_t num = 0;
int32_t flash_state = 0;
flash_unlock();
/* clear FLASH flag */
fmc_flag_clear(FMC_FLAG_PGERR);
fmc_flag_clear(FMC_FLAG_PGAERR);
fmc_flag_clear(FMC_FLAG_WPERR);
fmc_flag_clear(FMC_FLAG_END);
if (size % 4) {
num = size / 4 + 1;
} else {
num = size / 4;
}
for (uint32_t i = 0; i < num; i++) {
if (FMC_READY != fmc_word_program(address, *(p_data + i))) {
flash_state = -1;
break;
}
address += 4;
}
flash_lock();
return flash_state;
}
/** Get sector size
*
* @param obj The flash object
* @param address The sector starting address
* @return The size of a sector
*/
uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address)
{
if ((FLASH_START_ADDR > address) || (FLASH_END_ADDR < address)) {
return MBED_FLASH_INVALID_SIZE;
}
return FLASH_PAGE_SIZE;
}
/** Get page size
*
* The page size defines the writable page size
* @param obj The flash object
* @return The size of a page
*/
uint32_t flash_get_page_size(const flash_t *obj)
{
return WORD_SIZE;
}
/** Get start address for the flash region
*
* @param obj The flash object
* @return The start address for the flash region
*/
uint32_t flash_get_start_address(const flash_t *obj)
{
return FLASH_START_ADDR;
}
/** Get the flash region size
*
* @param obj The flash object
* @return The flash region size
*/
uint32_t flash_get_size(const flash_t *obj)
{
return FLASH_SIZE;
}
/** Get the flash erase value
*
* @param obj The flash object
* @return The flash erase value
*/
uint8_t flash_get_erase_value(const flash_t *obj)
{
return 0xFF;
}
#endif /* DEVICE_FLASH */

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "gd32e10x_gpio.h"
#include "mbed_assert.h"
#include "gpio_api.h"
#include "pinmap.h"
#include "mbed_error.h"
extern const int GD_GPIO_REMAP[];
extern const int GD_GPIO_SPEED[];
extern const int GD_GPIO_MODE[];
/* Enable GPIO clock and return GPIO base address */
uint32_t gpio_clock_enable(uint32_t port_idx)
{
uint32_t gpio_add = 0;
switch (port_idx) {
case PORTA:
gpio_add = GPIOA;
rcu_periph_clock_enable(RCU_GPIOA);
break;
case PORTB:
gpio_add = GPIOB;
rcu_periph_clock_enable(RCU_GPIOB);
break;
case PORTC:
gpio_add = GPIOC;
rcu_periph_clock_enable(RCU_GPIOC);
break;
case PORTD:
gpio_add = GPIOD;
rcu_periph_clock_enable(RCU_GPIOD);
break;
case PORTE:
gpio_add = GPIOE;
rcu_periph_clock_enable(RCU_GPIOE);
break;
default:
error("port number not exist");
break;
}
return gpio_add;
}
/** Set the given pin as GPIO
*
* @param pin The pin to be set as GPIO
* @return The GPIO port mask for this pin
*/
uint32_t gpio_set(PinName pin)
{
MBED_ASSERT(pin != (PinName)NC);
pin_function(pin, MODE_IN_FLOATING);
/* return pin mask */
return (uint32_t)(1 << ((uint32_t)pin & 0xF));
}
/** Initialize the GPIO pin
*
* @param obj The GPIO object to initialize
* @param pin The GPIO pin to initialize
*/
void gpio_init(gpio_t *obj, PinName pin)
{
obj->pin = pin;
if (pin == (PinName)NC) {
return;
}
/* fill struct parameter for future use */
uint32_t port_index = GD_PORT_GET(pin);
uint32_t gpio = gpio_clock_enable(port_index);
obj->mask = gpio_set(pin);
obj->gpio_periph = gpio;
}
/** Set the input pin mode
*
* @param obj The GPIO object
* @param mode The pin mode to be set
*/
void gpio_mode(gpio_t *obj, PinMode mode)
{
pin_mode(obj->pin, mode);
}
/** Set the output value
*
* @param obj The GPIO object
* @param value The value to be set
*/
void gpio_write(gpio_t *obj, int value)
{
/* set or reset GPIO pin */
if (value) {
GPIO_BOP(obj->gpio_periph) = (1 << (uint32_t)GD_PIN_GET(obj->pin));
} else {
GPIO_BC(obj->gpio_periph) = (1 << (uint32_t)GD_PIN_GET(obj->pin));
}
}
/** Read the input value
*
* @param obj The GPIO object
* @return An integer value 1 or 0
*/
int gpio_read(gpio_t *obj)
{
/* return state of GPIO pin */
return ((GPIO_ISTAT(obj->gpio_periph) & obj->mask) ? 1 : 0);
}
/* Checks if gpio object is connected (pin was not initialized with NC)
* @param pin The pin to be set as GPIO
* @return 0 if port is initialized with NC
**/
int gpio_is_connected(const gpio_t *obj)
{
return obj->pin != (PinName)NC;
}
/** Set the pin direction
*
* @param obj The GPIO object
* @param direction The pin direction to be set
*/
void gpio_dir(gpio_t *obj, PinDirection direction)
{
/* config GPIO pin as input or output */
if (direction == PIN_INPUT) {
gpio_para_init(obj->gpio_periph, GD_GPIO_MODE[MODE_IN_FLOATING], GD_GPIO_SPEED[0], (1 << (uint32_t)GD_PIN_GET(obj->pin)));
} else {
gpio_para_init(obj->gpio_periph, GD_GPIO_MODE[MODE_OUT_PP], GD_GPIO_SPEED[0], (1 << (uint32_t)GD_PIN_GET(obj->pin)));
}
}

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stddef.h>
#include "cmsis.h"
#include "gpio_irq_api.h"
#include "pinmap.h"
#include "mbed_error.h"
#define EDGE_NONE (0)
#define EDGE_RISE (1)
#define EDGE_FALL (2)
extern uint32_t gpio_clock_enable(uint32_t port_idx);
static gpio_irq_handler irq_handler;
typedef struct {
uint32_t exti_idx;
uint32_t exti_gpiox; /* base address of gpio */
uint32_t exti_pinx; /* pin number */
} gpio_exti_info_struct;
/* EXTI0...EXTI15 */
static gpio_exti_info_struct exti_info_array[16] = {0};
/** handle EXTI interrupt in EXTI0 to EXTI15
* @param irq_index the line of EXTI(0~15)
*/
static void exti_handle_interrupt(uint32_t irq_index)
{
gpio_exti_info_struct *gpio_exti = &exti_info_array[irq_index];
/* get the port and pin of EXTI */
uint32_t gpio = (uint32_t)(gpio_exti->exti_gpiox);
uint32_t pin = (uint32_t)(1 << (gpio_exti->exti_pinx));
/* clear interrupt flag */
if (exti_interrupt_flag_get((exti_line_enum)pin) != RESET) {
exti_interrupt_flag_clear((exti_line_enum)pin);
/* check which edge has generated the irq */
if ((GPIO_ISTAT(gpio) & pin) == 0) {
irq_handler(gpio_exti->exti_idx, IRQ_FALL);
} else {
irq_handler(gpio_exti->exti_idx, IRQ_RISE);
}
}
}
/* EXTI0 interrupt handler */
static void gpio_irq_exti0(void)
{
exti_handle_interrupt(0);
}
/* EXTI1 interrupt handler */
static void gpio_irq_exti1(void)
{
exti_handle_interrupt(1);
}
/* EXTI2 interrupt handler */
static void gpio_irq_exti2(void)
{
exti_handle_interrupt(2);
}
/* EXTI3 interrupt handler */
static void gpio_irq_exti3(void)
{
exti_handle_interrupt(3);
}
/* EXTI4 interrupt handler */
static void gpio_irq_exti4(void)
{
exti_handle_interrupt(4);
}
/* EXTI5 interrupt handler */
static void gpio_irq_exti5(void)
{
exti_handle_interrupt(5);
}
/* EXTI6 interrupt handler */
static void gpio_irq_exti6(void)
{
exti_handle_interrupt(6);
}
/* EXTI7 interrupt handler */
static void gpio_irq_exti7(void)
{
exti_handle_interrupt(7);
}
/* EXTI8 interrupt handler */
static void gpio_irq_exti8(void)
{
exti_handle_interrupt(8);
}
/* EXTI9 interrupt handler */
static void gpio_irq_exti9(void)
{
exti_handle_interrupt(9);
}
/* EXTI10 interrupt handler */
static void gpio_irq_exti10(void)
{
exti_handle_interrupt(10);
}
/* EXTI11 interrupt handler */
static void gpio_irq_exti11(void)
{
exti_handle_interrupt(11);
}
/* EXTI12 interrupt handler */
static void gpio_irq_exti12(void)
{
exti_handle_interrupt(12);
}
/* EXTI13 interrupt handler */
static void gpio_irq_exti13(void)
{
exti_handle_interrupt(13);
}
/* EXTI14 interrupt handler */
static void gpio_irq_exti14(void)
{
exti_handle_interrupt(14);
}
/* EXTI15 interrupt handler */
static void gpio_irq_exti15(void)
{
exti_handle_interrupt(15);
}
/** Initialize the GPIO IRQ pin
*
* @param obj The GPIO object to initialize
* @param pin The GPIO pin name
* @param handler The handler to be attached to GPIO IRQ
* @param id The object ID (id != 0, 0 is reserved)
* @return -1 if pin is NC, 0 otherwise
*/
int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id)
{
uint32_t vector = 0;
gpio_exti_info_struct *gpio_exti;
if (pin == NC) {
return -1;
}
/* Enable AF Clock */
rcu_periph_clock_enable(RCU_AF);
uint32_t port_index = GD_PORT_GET(pin);
uint32_t pin_index = GD_PIN_GET(pin);
/* Enable GPIO clock */
uint32_t gpio_add = gpio_clock_enable(port_index);
/* fill EXTI information according to pin_index .
eg. use PORTE_9 as EXTI interrupt, the irq type is EXTI5_9_IRQn */
if (pin_index == 0) {
vector = (uint32_t)&gpio_irq_exti0;
obj->irq_index = 0;
obj->irq_n = EXTI0_IRQn;
} else if (pin_index == 1) {
vector = (uint32_t)&gpio_irq_exti1;
obj->irq_index = 1;
obj->irq_n = EXTI1_IRQn;
} else if (pin_index == 2) {
vector = (uint32_t)&gpio_irq_exti2;
obj->irq_index = 2;
obj->irq_n = EXTI2_IRQn;
} else if (pin_index == 3) {
vector = (uint32_t)&gpio_irq_exti3;
obj->irq_index = 3;
obj->irq_n = EXTI3_IRQn;
} else if (pin_index == 4) {
vector = (uint32_t)&gpio_irq_exti4;
obj->irq_index = 4;
obj->irq_n = EXTI4_IRQn;
} else if (pin_index == 5) {
vector = (uint32_t)&gpio_irq_exti5;
obj->irq_index = 5;
obj->irq_n = EXTI5_9_IRQn;
} else if (pin_index == 6) {
vector = (uint32_t)&gpio_irq_exti6;
obj->irq_index = 6;
obj->irq_n = EXTI5_9_IRQn;
} else if (pin_index == 7) {
vector = (uint32_t)&gpio_irq_exti7;
obj->irq_index = 7;
obj->irq_n = EXTI5_9_IRQn;
} else if (pin_index == 8) {
vector = (uint32_t)&gpio_irq_exti8;
obj->irq_index = 8;
obj->irq_n = EXTI5_9_IRQn;
} else if (pin_index == 9) {
vector = (uint32_t)&gpio_irq_exti9;
obj->irq_index = 9;
obj->irq_n = EXTI5_9_IRQn;
} else if (pin_index == 10) {
vector = (uint32_t)&gpio_irq_exti10;
obj->irq_index = 10;
obj->irq_n = EXTI10_15_IRQn;
} else if (pin_index == 11) {
vector = (uint32_t)&gpio_irq_exti11;
obj->irq_index = 11;
obj->irq_n = EXTI10_15_IRQn;
} else if (pin_index == 12) {
vector = (uint32_t)&gpio_irq_exti12;
obj->irq_index = 12;
obj->irq_n = EXTI10_15_IRQn;
} else if (pin_index == 13) {
vector = (uint32_t)&gpio_irq_exti13;
obj->irq_index = 13;
obj->irq_n = EXTI10_15_IRQn;
} else if (pin_index == 14) {
vector = (uint32_t)&gpio_irq_exti14;
obj->irq_index = 14;
obj->irq_n = EXTI10_15_IRQn;
} else if (pin_index == 15) {
vector = (uint32_t)&gpio_irq_exti15;
obj->irq_index = 15;
obj->irq_n = EXTI10_15_IRQn;
} else {
error("pin not supported for interrupt in.\n");
return -1;
}
/* Save informations for future use */
obj->event = EDGE_NONE;
obj->pin = pin;
gpio_exti = &exti_info_array[obj->irq_index];
gpio_exti->exti_idx = id;
gpio_exti->exti_gpiox = gpio_add;
gpio_exti->exti_pinx = pin_index;
irq_handler = handler;
/* Enable EXTI interrupt */
NVIC_SetVector(obj->irq_n, vector);
gpio_irq_enable(obj);
return 0;
}
/** Release the GPIO IRQ PIN
*
* @param obj The gpio object
*/
void gpio_irq_free(gpio_irq_t *obj)
{
gpio_exti_info_struct *gpio_exti = &exti_info_array[obj->irq_index];
/* Disable EXTI interrupt */
gpio_irq_disable(obj);
/* Reset struct of exti information */
gpio_exti->exti_idx = 0;
gpio_exti->exti_gpiox = 0;
gpio_exti->exti_pinx = 0;
}
/** Enable/disable pin IRQ event
*
* @param obj The GPIO object
* @param event The GPIO IRQ event
* @param enable The enable flag
*/
void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable)
{
if (event == IRQ_RISE) {
if (enable) {
exti_init((exti_line_enum)(1 << GD_PIN_GET(obj->pin)), EXTI_INTERRUPT, EXTI_TRIG_RISING);
/* Clear interrupt enable bit, rising/falling bit */
} else {
EXTI_INTEN &= ~(uint32_t)(exti_line_enum)(1 << GD_PIN_GET(obj->pin));
EXTI_RTEN &= ~(uint32_t)(exti_line_enum)(1 << GD_PIN_GET(obj->pin));
EXTI_FTEN &= ~(uint32_t)(exti_line_enum)(1 << GD_PIN_GET(obj->pin));
}
}
if (event == IRQ_FALL) {
if (enable) {
exti_init((exti_line_enum)(1 << (GD_PIN_GET(obj->pin))), EXTI_INTERRUPT, EXTI_TRIG_FALLING);
/* Clear interrupt enable bit, rising/falling bit */
} else {
EXTI_INTEN &= ~(uint32_t)(exti_line_enum)(1 << GD_PIN_GET(obj->pin));
EXTI_RTEN &= ~(uint32_t)(exti_line_enum)(1 << GD_PIN_GET(obj->pin));
EXTI_FTEN &= ~(uint32_t)(exti_line_enum)(1 << GD_PIN_GET(obj->pin));
}
}
}
/** Enable GPIO IRQ
*
* This is target dependent, as it might enable the entire port or just a pin
* @param obj The GPIO object
*/
void gpio_irq_enable(gpio_irq_t *obj)
{
/* Select EXTI Source */
gpio_exti_source_select(GD_PORT_GET(obj->pin), GD_PIN_GET(obj->pin));
exti_interrupt_enable((exti_line_enum)(1 << GD_PIN_GET(obj->pin)));
NVIC_EnableIRQ(obj->irq_n);
}
/** Disable GPIO IRQ
*
* This is target dependent, as it might disable the entire port or just a pin
* @param obj The GPIO object
*/
void gpio_irq_disable(gpio_irq_t *obj)
{
/* Clear EXTI line configuration */
exti_interrupt_disable((exti_line_enum)(1 << GD_PIN_GET(obj->pin)));
NVIC_DisableIRQ(obj->irq_n);
NVIC_ClearPendingIRQ(obj->irq_n);
obj->event = EDGE_NONE;
}

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mbed_assert.h"
#include "i2c_api.h"
#if DEVICE_I2C
#include "cmsis.h"
#include "pinmap.h"
#include "PeripheralPins.h"
#if DEVICE_I2C_ASYNCH
#define I2C_S(obj) (struct i2c_s *) (&((obj)->i2c))
#else
#define I2C_S(obj) (struct i2c_s *) (obj)
#endif
#define BUSY_TIMEOUT ((SystemCoreClock / obj_s->freq) * 2 * 10)
#define FLAG_TIMEOUT (0xF0000U)
/** Reset I2C peripheral by hardware method. Most of the implementation enable RCU reset.
*
* @param obj The I2C object
*/
static void i2c_hw_reset(i2c_t *obj)
{
struct i2c_s *obj_s = I2C_S(obj);
switch (obj_s->i2c) {
case I2C_0:
rcu_periph_reset_enable(RCU_I2C0RST);
rcu_periph_reset_disable(RCU_I2C0RST);
break;
case I2C_1:
rcu_periph_reset_enable(RCU_I2C1RST);
rcu_periph_reset_disable(RCU_I2C1RST);
break;
}
}
/** Initialize the I2C peripheral. It sets the default parameters for I2C
* peripheral, and configures its specifieds pins.
*
* @param obj The I2C object
* @param sda The sda pin
* @param scl The scl pin
*/
void i2c_init(i2c_t *obj, PinName sda, PinName scl)
{
struct i2c_s *obj_s = I2C_S(obj);
/* find the I2C by pins */
uint32_t i2c_sda = pinmap_peripheral(sda, PinMap_I2C_SDA);
uint32_t i2c_scl = pinmap_peripheral(scl, PinMap_I2C_SCL);
obj_s->sda = sda;
obj_s->scl = scl;
obj_s->i2c = (I2CName)pinmap_merge(i2c_sda, i2c_scl);
MBED_ASSERT(obj_s->i2c != (I2CName)NC);
switch (obj_s->i2c) {
case I2C_0:
/* enable I2C0 clock and configure the pins of I2C0 */
obj_s->index = 0;
rcu_periph_clock_enable(RCU_I2C0);
break;
case I2C_1:
/* enable I2C1 clock and configure the pins of I2C1 */
obj_s->index = 1;
rcu_periph_clock_enable(RCU_I2C1);
break;
default:
break;
}
/* configure the pins of I2C */
pinmap_pinout(sda, PinMap_I2C_SDA);
pinmap_pinout(scl, PinMap_I2C_SCL);
/* 100 KHz as the default I2C frequence */
i2c_frequency(obj, 100000);
obj_s->state = (operation_state_enum)I2C_STATE_NONE;
obj_s->previous_state_mode = I2C_STATE_NONE;
obj_s->global_trans_option = I2C_FIRST_AND_LAST_FRAME;
#if DEVICE_I2CSLAVE
/* I2C master by default */
obj_s->slave = 0;
#endif
}
/** Configure the I2C frequency
*
* @param obj The I2C object
* @param hz Frequency in Hz
*/
void i2c_frequency(i2c_t *obj, int hz)
{
int timeout;
struct i2c_s *obj_s = I2C_S(obj);
/* wait until I2C_FLAG_I2CBSY flag is reset */
timeout = BUSY_TIMEOUT;
while ((i2c_flag_get(obj_s->i2c, I2C_FLAG_I2CBSY)) && (--timeout != 0));
/* reset to clear pending flags */
i2c_hw_reset(obj);
/* disable I2C peripheral */
i2c_disable(obj_s->i2c);
/* configure I2C frequence */
i2c_clock_config(obj_s->i2c, hz, I2C_DTCY_2);
/* configure I2C address mode and slave address */
i2c_mode_addr_config(obj_s->i2c, I2C_I2CMODE_ENABLE, I2C_ADDFORMAT_7BITS, 0);
/* enable I2C peripheral */
i2c_enable(obj_s->i2c);
}
/** Reset I2C peripheral. TODO: The action here. Most of the implementation sends stop()
*
* @param obj The I2C object
*/
void i2c_reset(i2c_t *obj)
{
i2c_stop(obj);
}
/** Send START command
*
* @param obj The I2C object
*/
int i2c_start(i2c_t *obj)
{
int timeout;
struct i2c_s *obj_s = I2C_S(obj);
/* clear I2C_FLAG_AERR Flag */
i2c_flag_clear(obj_s->i2c, I2C_FLAG_AERR);
/* wait until I2C_FLAG_I2CBSY flag is reset */
timeout = FLAG_TIMEOUT;
while ((i2c_flag_get(obj_s->i2c, I2C_FLAG_I2CBSY)) == SET) {
if ((timeout--) == 0) {
return (int)GD_BUSY;
}
}
/* ensure the i2c has been stopped */
timeout = FLAG_TIMEOUT;
while ((I2C_CTL0(obj_s->i2c) & I2C_CTL0_STOP) == I2C_CTL0_STOP) {
if ((timeout--) == 0) {
return (int)GD_ERROR;
}
}
/* generate a START condition */
i2c_start_on_bus(obj_s->i2c);
/* ensure the i2c has been started successfully */
timeout = FLAG_TIMEOUT;
while ((i2c_flag_get(obj_s->i2c, I2C_FLAG_SBSEND)) == RESET) {
if ((timeout--) == 0) {
return (int)GD_ERROR;
}
}
return (int)GD_OK;
}
/** Send STOP command
*
* @param obj The I2C object
*/
int i2c_stop(i2c_t *obj)
{
struct i2c_s *obj_s = I2C_S(obj);
/* generate a STOP condition */
i2c_stop_on_bus(obj_s->i2c);
/* wait for STOP bit reset */
while ((I2C_CTL0(obj_s->i2c) & I2C_CTL0_STOP));
return 0;
}
/** Read one byte
*
* @param obj The I2C object
* @param last Acknoledge
* @return The read byte
*/
int i2c_byte_read(i2c_t *obj, int last)
{
int timeout;
struct i2c_s *obj_s = I2C_S(obj);
if (last) {
/* disable acknowledge */
i2c_ack_config(obj_s->i2c, I2C_ACK_DISABLE);
} else {
/* enable acknowledge */
i2c_ack_config(obj_s->i2c, I2C_ACK_ENABLE);
}
/* wait until the byte is received */
timeout = FLAG_TIMEOUT;
while ((i2c_flag_get(obj_s->i2c, I2C_FLAG_RBNE)) == RESET) {
if ((timeout--) == 0) {
return -1;
}
}
return (int)I2C_DATA(obj_s->i2c);
}
/** Write one byte
*
* @param obj The I2C object
* @param data Byte to be written
* @return 0 if NAK was received, 1 if ACK was received, 2 for timeout.
*/
int i2c_byte_write(i2c_t *obj, int data)
{
int timeout;
struct i2c_s *obj_s = I2C_S(obj);
I2C_DATA(obj_s->i2c) = (uint8_t)data;
/* wait until the byte is transmitted */
timeout = FLAG_TIMEOUT;
while (((i2c_flag_get(obj_s->i2c, I2C_FLAG_TBE)) == RESET) &&
((i2c_flag_get(obj_s->i2c, I2C_FLAG_BTC)) == RESET)) {
if ((timeout--) == 0) {
return 2;
}
}
return 1;
}
/** Blocking reading data
*
* @param obj The I2C object
* @param address 7-bit address (last bit is 1)
* @param data The buffer for receiving
* @param length Number of bytes to read
* @param stop Stop to be generated after the transfer is done
* @return Number of read bytes
*/
int i2c_read(i2c_t *obj, int address, char *data, int length, int stop)
{
struct i2c_s *obj_s = I2C_S(obj);
uint32_t count = 0U;
int timeout = 0;
if (obj_s->global_trans_option == I2C_FIRST_AND_LAST_FRAME ||
obj_s->global_trans_option == I2C_LAST_FRAME) {
if (stop) {
obj_s->global_trans_option = I2C_FIRST_AND_LAST_FRAME;
} else {
obj_s->global_trans_option = I2C_FIRST_FRAME;
}
} else if (obj_s->global_trans_option == I2C_FIRST_FRAME ||
obj_s->global_trans_option == I2C_NEXT_FRAME) {
if (stop) {
obj_s->global_trans_option = I2C_LAST_FRAME;
} else {
obj_s->global_trans_option = I2C_NEXT_FRAME;
}
}
if (obj_s->global_trans_option == I2C_FIRST_AND_LAST_FRAME || obj_s->global_trans_option == I2C_FIRST_FRAME) {
/* wait until I2C_FLAG_I2CBSY flag is reset */
timeout = FLAG_TIMEOUT;
while ((i2c_flag_get(obj_s->i2c, I2C_FLAG_I2CBSY)) == SET) {
if ((timeout--) == 0) {
i2c_stop(obj);
return I2C_ERROR_BUS_BUSY;
}
}
}
if (obj_s->global_trans_option == I2C_FIRST_AND_LAST_FRAME || obj_s->global_trans_option == I2C_FIRST_FRAME ||
obj_s->previous_state_mode != I2C_STATE_MASTER_BUSY_RX) {
/* generate a START condition */
i2c_start_on_bus(obj_s->i2c);
/* ensure the i2c has been started successfully */
timeout = FLAG_TIMEOUT;
while ((i2c_flag_get(obj_s->i2c, I2C_FLAG_SBSEND)) == RESET) {
if ((timeout--) == 0) {
i2c_stop(obj);
return I2C_ERROR_BUS_BUSY;
}
}
/* send slave address */
i2c_master_addressing(obj_s->i2c, address, I2C_RECEIVER);
if (1 == length) {
/* disable acknowledge */
i2c_ack_config(obj_s->i2c, I2C_ACK_DISABLE);
/* send a stop condition to I2C bus*/
} else if (2 == length) {
/* send a NACK for the next data byte which will be received into the shift register */
i2c_ackpos_config(obj_s->i2c, I2C_ACKPOS_NEXT);
/* disable acknowledge */
i2c_ack_config(obj_s->i2c, I2C_ACK_DISABLE);
} else {
/* enable acknowledge */
i2c_ack_config(obj_s->i2c, I2C_ACK_ENABLE);
}
timeout = 0;
/* wait until I2C_FLAG_ADDSEND flag is set */
while (!i2c_flag_get(obj_s->i2c, I2C_FLAG_ADDSEND)) {
timeout++;
if (timeout > 100000) {
i2c_stop(obj);
return I2C_ERROR_NO_SLAVE;
}
}
/* clear ADDSEND */
i2c_flag_clear(obj_s->i2c, I2C_FLAG_ADDSEND);
}
obj_s->state = (operation_state_enum)I2C_STATE_MASTER_BUSY_RX;
for (count = 0; count < length; count++) {
if (length > 2 && count == length - 3) {
while (RESET == i2c_flag_get(obj_s->i2c, I2C_FLAG_BTC));
i2c_ack_config(obj_s->i2c, I2C_ACK_DISABLE);
} else if (2 == length && count == 0) {
while (RESET == i2c_flag_get(obj_s->i2c, I2C_FLAG_BTC));
}
while (RESET == i2c_flag_get(obj_s->i2c, I2C_FLAG_RBNE));
data[count] = i2c_data_receive(obj_s->i2c);
}
obj_s->previous_state_mode = obj_s->state;
/* if not sequential read, then send stop */
if (stop) {
i2c_stop(obj);
}
return count;
}
/** Blocking sending data
*
* @param obj The I2C object
* @param address 7-bit address (last bit is 0)
* @param data The buffer for sending
* @param length Number of bytes to write
* @param stop Stop to be generated after the transfer is done
* @return
* zero or non-zero - Number of written bytes
* negative - I2C_ERROR_XXX status
*/
int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop)
{
struct i2c_s *obj_s = I2C_S(obj);
gd_status_enum status = GD_OK;
uint32_t count = 0;
int timeout = 0;
if (obj_s->global_trans_option == I2C_FIRST_AND_LAST_FRAME ||
obj_s->global_trans_option == I2C_LAST_FRAME) {
if (stop) {
obj_s->global_trans_option = I2C_FIRST_AND_LAST_FRAME;
} else {
obj_s->global_trans_option = I2C_FIRST_FRAME;
}
} else if (obj_s->global_trans_option == I2C_FIRST_FRAME ||
obj_s->global_trans_option == I2C_NEXT_FRAME) {
if (stop) {
obj_s->global_trans_option = I2C_LAST_FRAME;
} else {
obj_s->global_trans_option = I2C_NEXT_FRAME;
}
}
if (obj_s->global_trans_option == I2C_FIRST_AND_LAST_FRAME || obj_s->global_trans_option == I2C_FIRST_FRAME) {
/* wait until I2C_FLAG_I2CBSY flag is reset */
timeout = FLAG_TIMEOUT;
while ((i2c_flag_get(obj_s->i2c, I2C_FLAG_I2CBSY)) == SET) {
if ((timeout--) == 0) {
i2c_stop(obj);
return I2C_ERROR_BUS_BUSY;
}
}
}
if (obj_s->global_trans_option == I2C_FIRST_AND_LAST_FRAME || obj_s->global_trans_option == I2C_FIRST_FRAME ||
obj_s->previous_state_mode != I2C_STATE_MASTER_BUSY_TX) {
/* generate a START condition */
i2c_start_on_bus(obj_s->i2c);
/* ensure the i2c has been started successfully */
timeout = FLAG_TIMEOUT;
while ((i2c_flag_get(obj_s->i2c, I2C_FLAG_SBSEND)) == RESET) {
if ((timeout--) == 0) {
i2c_stop(obj);
return I2C_ERROR_BUS_BUSY;
}
}
/* send slave address */
i2c_master_addressing(obj_s->i2c, address, I2C_TRANSMITTER);
timeout = 0;
/* wait until I2C_FLAG_ADDSEND flag is set */
while (!i2c_flag_get(obj_s->i2c, I2C_FLAG_ADDSEND)) {
timeout++;
if (timeout > 100000) {
i2c_stop(obj);
return I2C_ERROR_NO_SLAVE;
}
}
/* clear ADDSEND */
i2c_flag_clear(obj_s->i2c, I2C_FLAG_ADDSEND);
}
obj_s->state = (operation_state_enum)I2C_STATE_MASTER_BUSY_TX;
for (count = 0; count < length; count++) {
status = (gd_status_enum)i2c_byte_write(obj, data[count]);
if (status != 1) {
i2c_stop(obj);
return count;
}
}
obj_s->previous_state_mode = obj_s->state;
/* if not sequential write, then send stop */
if (stop) {
i2c_stop(obj);
}
return count;
}
#if DEVICE_I2CSLAVE
/** Configure I2C address.
* @param obj The I2C object
* @param idx Currently not used
* @param address The address to be set
* @param mask Currently not used
*/
void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask)
{
struct i2c_s *obj_s = I2C_S(obj);
/* disable I2C peripheral */
i2c_disable(obj_s->i2c);
/* I2C clock configure */
i2c_clock_config(obj_s->i2c, 100000, I2C_DTCY_2);
/* I2C address configure */
i2c_mode_addr_config(obj_s->i2c, I2C_I2CMODE_ENABLE, I2C_ADDFORMAT_7BITS, address);
/* enable I2C0 */
i2c_enable(obj_s->i2c);
/* enable acknowledge */
i2c_ack_config(obj_s->i2c, I2C_ACK_ENABLE);
}
/** Configure I2C as slave or master.
* @param obj The I2C object
* @param enable_slave Enable i2c hardware so you can receive events with ::i2c_slave_receive
* @return non-zero if a value is available
*/
void i2c_slave_mode(i2c_t *obj, int enable_slave)
{
struct i2c_s *obj_s = I2C_S(obj);
if (enable_slave) {
obj_s->slave = 1;
} else {
obj_s->slave = 0;
}
}
/* the same as the definition in I2CSlave.h class I2CSlave */
#define NoData 0 /* the slave has not been addressed */
#define ReadAddressed 1 /* the master has requested a read from this slave (slave as transmitter) */
#define WriteGeneral 2 /* the master is writing to all slave */
#define WriteAddressed 3 /* the master is writing to this slave (slave as receiver) */
/** Check to see if the I2C slave has been addressed.
* @param obj The I2C object
* @return The status - 1 - read addresses, 2 - write to all slaves,
* 3 write addressed, 0 - the slave has not been addressed
*/
int i2c_slave_receive(i2c_t *obj)
{
struct i2c_s *obj_s = I2C_S(obj);
int ret = NoData;
i2c_ack_config(obj_s->i2c, I2C_ACK_ENABLE);
if (i2c_flag_get(obj_s->i2c, I2C_FLAG_ADDSEND)) {
i2c_ack_config(obj_s->i2c, I2C_ACK_ENABLE);
if (i2c_flag_get(obj_s->i2c, I2C_FLAG_RXGC)) {
ret = WriteGeneral;
}
if (i2c_flag_get(obj_s->i2c, I2C_FLAG_TRS)) {
ret = ReadAddressed;
} else {
ret = WriteAddressed;
}
}
i2c_ack_config(obj_s->i2c, I2C_ACK_ENABLE);
return (ret);
}
/** Configure I2C as slave or master.
* @param obj The I2C object
* @param data The buffer for receiving
* @param length Number of bytes to read
* @return non-zero if a value is available
*/
int i2c_slave_read(i2c_t *obj, char *data, int length)
{
struct i2c_s *obj_s = I2C_S(obj);
int count = 0;
int timeout = 0;
i2c_ack_config(obj_s->i2c, I2C_ACK_ENABLE);
/* wait until ADDSEND bit is set */
while (!i2c_flag_get(obj_s->i2c, I2C_FLAG_ADDSEND)) {
timeout++;
if (timeout > 100000) {
return -1;
}
}
/* clear ADDSEND bit */
i2c_flag_clear(obj_s->i2c, I2C_FLAG_ADDSEND);
while (0 < length) {
/* wait until the RBNE bit is set */
timeout = 0;
while (!i2c_flag_get(obj_s->i2c, I2C_FLAG_RBNE)) {
timeout++;
if (timeout > 100000) {
return -1;
}
}
*data = i2c_data_receive(obj_s->i2c);
data++;
length--;
count++;
}
/* wait until the STPDET bit is set */
timeout = 0;
while (!i2c_flag_get(obj_s->i2c, I2C_FLAG_STPDET)) {
timeout++;
if (timeout > 100) {
return count;
}
}
/* clear the STPDET bit */
i2c_enable(obj_s->i2c);
i2c_ack_config(obj_s->i2c, I2C_ACK_DISABLE);
return count;
}
/** Configure I2C as slave or master.
* @param obj The I2C object
* @param data The buffer for sending
* @param length Number of bytes to write
* @return non-zero if a value is available
*/
int i2c_slave_write(i2c_t *obj, const char *data, int length)
{
struct i2c_s *obj_s = I2C_S(obj);
int count = 0;
int timeout = 0;
i2c_ack_config(obj_s->i2c, I2C_ACK_ENABLE);
/* wait until ADDSEND bit is set */
while (!i2c_flag_get(obj_s->i2c, I2C_FLAG_ADDSEND)) {
timeout++;
if (timeout > 100000) {
return -1;
}
}
/* clear ADDSEND bit */
i2c_flag_clear(obj_s->i2c, I2C_FLAG_ADDSEND);
while (length > 0) {
/* wait until the TBE bit is set */
timeout = 0;
while (!i2c_flag_get(obj_s->i2c, I2C_FLAG_TBE)) {
timeout++;
if (timeout > 100000) {
return -1;
}
}
i2c_data_transmit(obj_s->i2c, *data);
data++;
length--;
count++;
}
/* the master doesn't acknowledge for the last byte */
timeout = 0;
while (!i2c_flag_get(obj_s->i2c, I2C_FLAG_AERR)) {
timeout++;
if (timeout > 100000) {
return -1;
}
}
/* clear the bit of AERR */
i2c_flag_clear(obj_s->i2c, I2C_FLAG_AERR);
/* disable acknowledge */
i2c_ack_config(obj_s->i2c, I2C_ACK_DISABLE);
return count;
}
#endif /* DEVICE_I2CSLAVE */
#endif /* DEVICE_I2C */

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "gd32e10x.h"
#include "cmsis.h"
#include "hal_tick.h"
int mbed_sdk_inited = 0;
/*!
\brief configure the system clock to 120M by PLL which selects HXTAL(8M) as its clock source
\param[in] none
\param[out] none
\retval none
*/
#if TICKER_TIMER_WIDTH_BIT == 16
extern void ticker_16bits_timer_init(void);
#else
extern void ticker_32bits_timer_init(void);
#endif
/**
* SDK hook for running code before ctors or OS
*
* This is a weak function which can be overridden by a target's
* SDK to allow code to run after ram is initialized but before
* the OS has been started or constructors have run.
*
* Preconditions:
* - Ram is initialized
* - NVIC is setup
*/
/**
* This function is called after RAM initialization and before main.
*/
void mbed_sdk_init()
{
nvic_priority_group_set(NVIC_PRIGROUP_PRE4_SUB0);
/* configure 1ms tick */
#if TICKER_TIMER_WIDTH_BIT == 16
ticker_16bits_timer_init();
#else
ticker_32bits_timer_init();
#endif
mbed_sdk_inited = 1;
}

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targets/TARGET_GigaDevice/TARGET_GD32E10X/objects.h Normal file
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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBED_OBJECTS_H
#define MBED_OBJECTS_H
#include "cmsis.h"
#include "PortNames.h"
#include "PeripheralNames.h"
#include "PinNames.h"
#include "mbed_assert.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct gpio_s gpio_t;
struct gpio_s {
uint32_t mask;
PinName pin;
__IO uint32_t gpio_periph;
};
struct gpio_irq_s {
IRQn_Type irq_n;
uint32_t irq_index;
uint32_t event;
PinName pin;
};
struct port_s {
PortName port;
uint32_t mask;
PinDirection direction;
__IO uint32_t *reg_in;
__IO uint32_t *reg_out;
};
struct analogin_s {
ADCName adc;
PinName pin;
uint8_t channel;
};
#if DEVICE_ANALOGOUT
struct dac_s {
DACName dac;
PinName pin;
uint32_t channel;
};
#endif
struct can_s {
CANName can;
int index;
};
struct pwmout_s {
PWMName pwm;
uint32_t cnt_unit;
uint8_t ch;
};
struct serial_s {
/* basic information */
UARTName uart;
int index;
PinName pin_tx;
PinName pin_rx;
/* configure information */
uint32_t baudrate;
uint32_t databits;
uint32_t stopbits;
uint32_t parity;
/* operating parameters */
uint16_t rx_size;
uint8_t *tx_buffer_ptr;
uint8_t *rx_buffer_ptr;
__IO uint16_t tx_count;
__IO uint16_t rx_count;
__IO uint32_t error_code;
__IO operation_state_enum tx_state;
__IO operation_state_enum rx_state;
#if DEVICE_SERIAL_ASYNCH
uint32_t events;
#endif
#if DEVICE_SERIAL_FC
uint32_t hw_flow_ctl;
PinName pin_rts;
PinName pin_cts;
#endif
};
struct spi_s {
spi_parameter_struct spi_struct;
IRQn_Type spi_irq;
SPIName spi;
PinName pin_miso;
PinName pin_mosi;
PinName pin_sclk;
PinName pin_ssel;
};
struct i2c_s {
/* basic information */
I2CName i2c;
uint8_t index;
PinName sda;
PinName scl;
int i2c_inited; /* flag used to indicate whether the i2c has been initialized */
/* configure information */
int freq; /* i2c frequence */
uint32_t addr_bit_mode; /* 7 bits or 10 bits */
uint32_t slave_addr0;
uint32_t slave_addr1;
uint16_t transfer_size;
uint8_t *buffer_pointer;
/* operating parameters */
__IO operation_state_enum state;
__IO i2c_mode_enum mode;
__IO uint32_t previous_state_mode;
__IO uint32_t i2c_target_dev_addr;
__IO uint32_t event_count;
__IO uint32_t transfer_count;
__IO uint32_t transfer_option;
__IO uint32_t error_code;
/* I2C DMA information */
uint32_t tx_dma_periph;
dma_channel_enum tx_dma_channel;
uint32_t rx_dma_periph;
dma_channel_enum rx_dma_channel;
IRQn_Type event_i2cIRQ;
IRQn_Type error_i2cIRQ;
uint32_t global_trans_option;
volatile uint8_t event;
#if DEVICE_I2CSLAVE
uint8_t slave;
volatile uint8_t pending_slave_tx_master_rx;
volatile uint8_t pending_slave_rx_maxter_tx;
#endif
#if DEVICE_I2C_ASYNCH
uint32_t address;
uint8_t stop;
uint8_t available_events;
#endif
};
#if DEVICE_FLASH
struct flash_s {
/* nothing to be stored for now */
uint32_t dummy;
};
#endif
#ifdef __cplusplus
}
#endif
#endif

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mbed_assert.h"
#include "pinmap.h"
#include "PortNames.h"
#include "mbed_error.h"
extern uint32_t gpio_clock_enable(uint32_t port_idx);
extern const int GD_GPIO_REMAP[];
extern const int GD_GPIO_MODE[];
extern const int GD_GPIO_SPEED[];
static void gpio_mode_set(uint32_t gpio_periph, uint32_t mode, uint32_t pin);
/** Configure pin (mode, speed, reamp function )
*
* @param pin gpio pin name
* @param function gpio pin mode, speed, remap function
*/
void pin_function(PinName pin, int function)
{
MBED_ASSERT(pin != (PinName)NC);
uint32_t mode = GD_PIN_MODE_GET(function);
uint32_t remap = GD_PIN_REMAP_GET(function);
uint32_t speed = GD_PIN_SPEED_GET(function);
uint32_t port = GD_PORT_GET(pin);
uint32_t gd_pin = 1 << GD_PIN_GET(pin);
uint32_t gpio = gpio_clock_enable(port);
gpio_para_init(gpio, GD_GPIO_MODE[mode], GD_GPIO_SPEED[speed], gd_pin);
if (remap != 0) {
rcu_periph_clock_enable(RCU_AF);
gpio_pin_remap_config(GD_GPIO_REMAP[remap], ENABLE);
}
}
/** Only configure pin mode
*
* @param pin gpio pin name
* @param function gpio pin mode
*/
void pin_mode(PinName pin, PinMode mode)
{
MBED_ASSERT(pin != (PinName)NC);
uint32_t port = GD_PORT_GET(pin);
uint32_t gd_pin = 1 << GD_PIN_GET(pin);
uint32_t gpio = gpio_clock_enable(port);
if (mode != PullNone) {
gpio_mode_set(gpio, GD_GPIO_MODE[mode], gd_pin);
}
}
/** configure gpio pin mode
*
* @param gpio_periph gpio port name
* @param mode gpio pin mode
* @param pin gpio pin number
*/
static void gpio_mode_set(uint32_t gpio_periph, uint32_t mode, uint32_t pin)
{
uint16_t i;
uint32_t temp_mode = 0U;
uint32_t reg = 0U;
/* GPIO mode configuration */
temp_mode = (uint32_t)(mode & ((uint32_t)0x0FU));
/* configure the eight low port pins with GPIO_CTL0 */
for (i = 0U; i < 8U; i++) {
if ((1U << i) & pin) {
reg = GPIO_CTL0(gpio_periph);
/* set the specified pin mode bits */
reg |= GPIO_MODE_SET(i, temp_mode);
/* set IPD or IPU */
if (GPIO_MODE_IPD == mode) {
/* reset the corresponding OCTL bit */
GPIO_BC(gpio_periph) = (uint32_t)pin;
} else {
/* set the corresponding OCTL bit */
if (GPIO_MODE_IPU == mode) {
GPIO_BOP(gpio_periph) = (uint32_t)pin;
}
}
/* set GPIO_CTL0 register */
GPIO_CTL0(gpio_periph) = reg;
}
}
/* configure the eight high port pins with GPIO_CTL1 */
for (i = 8U; i < 16U; i++) {
if ((1U << i) & pin) {
reg = GPIO_CTL1(gpio_periph);
/* set the specified pin mode bits */
reg |= GPIO_MODE_SET(i - 8U, temp_mode);
/* set IPD or IPU */
if (GPIO_MODE_IPD == mode) {
/* reset the corresponding OCTL bit */
GPIO_BC(gpio_periph) = (uint32_t)pin;
} else {
/* set the corresponding OCTL bit */
if (GPIO_MODE_IPU == mode) {
GPIO_BOP(gpio_periph) = (uint32_t)pin;
}
}
/* set GPIO_CTL1 register */
GPIO_CTL1(gpio_periph) = reg;
}
}
}

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "port_api.h"
#include "pinmap.h"
#include "gpio_api.h"
#include "mbed_error.h"
#if DEVICE_PORTIN || DEVICE_PORTOUT
extern uint32_t gpio_clock_enable(uint32_t port_idx);
/** Get the pin name from the port's pin number
*
* @param port The port name
* @param pin_n The pin number within the specified port
* @return The pin name for the port's pin number
* BIT[7:4] port number
BIT[3:0] pin number
*/
PinName port_pin(PortName port, int pin_n)
{
return (PinName)(pin_n + (port << 4));
}
/** Initilize the port
*
* @param obj The port object to initialize
* @param port The port name
* @param mask The bitmask to identify which bits in the port should be included (0 - ignore)
* @param dir The port direction
*/
void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
{
uint32_t port_index = (uint32_t)port;
uint32_t gpio = gpio_clock_enable(port_index);
obj->port = port;
obj->mask = mask;
obj->direction = dir;
obj->reg_in = &GPIO_ISTAT(gpio);
obj->reg_out = &GPIO_OCTL(gpio);
port_dir(obj, dir);
}
/** Set port direction (in/out)
*
* @param obj The port object
* @param dir The port direction to be set
*/
void port_dir(port_t *obj, PinDirection dir)
{
uint32_t i;
obj->direction = dir;
for (i = 0; i < 16; i++) {
if (obj->mask & (1 << i)) {
if (dir == PIN_OUTPUT) {
pin_function(port_pin(obj->port, i), MODE_OUT_PP);
} else {
pin_function(port_pin(obj->port, i), MODE_IN_FLOATING);
}
}
}
}
/** Set the input port mode
*
* @param obj The port object
* @param mode THe port mode to be set
*/
void port_mode(port_t *obj, PinMode mode)
{
uint32_t i;
for (i = 0; i < 16; i++) {
if (obj->mask & (1 << i)) {
pin_mode(port_pin(obj->port, i), mode);
}
}
}
/** Write value to the port
*
* @param obj The port object
* @param value The value to be set
*/
void port_write(port_t *obj, int value)
{
*obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask);
}
/** Read the current value on the port
*
* @param obj The port object
* @return An integer with each bit corresponding to an associated port pin setting
*/
int port_read(port_t *obj)
{
if (obj->direction == PIN_OUTPUT) {
return (*obj->reg_out & obj->mask);
} else {
return (*obj->reg_in & obj->mask);
}
}
#endif

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "pwmout_api.h"
#include "cmsis.h"
#include "pinmap.h"
#include "mbed_error.h"
#include "PeripheralPins.h"
#define DEV_PWMOUT_APB_MASK 0x00010000U
#define DEV_PWMOUT_APB1 0U
#define DEV_PWMOUT_APB2 1U
static uint32_t timer_get_clock(uint32_t timer_periph);
static void dev_pwmout_init(pwmout_t *obj)
{
timer_oc_parameter_struct timer_ocintpara;
timer_parameter_struct timer_initpara;
MBED_ASSERT(obj);
uint32_t periph = obj->pwm;
switch (periph) {
case TIMER0:
rcu_periph_clock_enable(RCU_TIMER0);
break;
case TIMER1:
rcu_periph_clock_enable(RCU_TIMER1);
break;
case TIMER2:
rcu_periph_clock_enable(RCU_TIMER2);
break;
case TIMER3:
rcu_periph_clock_enable(RCU_TIMER3);
break;
case TIMER4:
rcu_periph_clock_enable(RCU_TIMER4);
break;
case TIMER7:
rcu_periph_clock_enable(RCU_TIMER7);
break;
case TIMER8:
rcu_periph_clock_enable(RCU_TIMER8);
break;
case TIMER9:
rcu_periph_clock_enable(RCU_TIMER9);
break;
case TIMER10:
rcu_periph_clock_enable(RCU_TIMER10);
break;
case TIMER11:
rcu_periph_clock_enable(RCU_TIMER11);
break;
case TIMER12:
rcu_periph_clock_enable(RCU_TIMER12);
break;
case TIMER13:
rcu_periph_clock_enable(RCU_TIMER13);
break;
}
/* configure TIMER base function */
timer_initpara.prescaler = 119;
timer_initpara.period = 9999;
timer_initpara.clockdivision = 0;
timer_initpara.counterdirection = TIMER_COUNTER_UP;
timer_initpara.alignedmode = TIMER_COUNTER_EDGE;
timer_init(obj->pwm, &timer_initpara);
/* configure TIMER channel output function */
timer_ocintpara.ocpolarity = TIMER_OC_POLARITY_HIGH;
timer_ocintpara.outputstate = TIMER_CCX_ENABLE;
timer_ocintpara.outputnstate = TIMER_CCXN_ENABLE;
timer_ocintpara.ocidlestate = TIMER_OC_IDLE_STATE_LOW;
timer_ocintpara.ocnidlestate = TIMER_OCN_IDLE_STATE_LOW;
timer_ocintpara.ocnpolarity = TIMER_OCN_POLARITY_HIGH;
timer_ocintpara.ocnidlestate = TIMER_OCN_IDLE_STATE_HIGH;
timer_channel_output_config(obj->pwm, obj->ch, &timer_ocintpara);
timer_channel_output_mode_config(obj->pwm, obj->ch, TIMER_OC_MODE_PWM0);
timer_channel_output_fast_config(obj->pwm, obj->ch, TIMER_OC_FAST_DISABLE);
timer_primary_output_config(obj->pwm, ENABLE);
}
static uint8_t dev_pwmout_apb_check(uint32_t periph)
{
uint8_t reval = DEV_PWMOUT_APB1;
/* check peripherals belongs to APB1 or APB2 */
if (DEV_PWMOUT_APB_MASK == (periph & DEV_PWMOUT_APB_MASK)) {
reval = DEV_PWMOUT_APB2;
}
return reval;
}
void pwmout_init(pwmout_t *obj, PinName pin)
{
MBED_ASSERT(obj);
obj->pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM);
MBED_ASSERT(obj->pwm != (PWMName)NC);
uint32_t function = pinmap_function(pin, PinMap_PWM);
MBED_ASSERT(function != (uint32_t)NC);
obj->ch = GD_PIN_CHANNEL_GET(function);
/* Peripheral initialization */
dev_pwmout_init(obj);
/* pin function initialization */
pinmap_pinout(pin, PinMap_PWM);
}
void pwmout_free(pwmout_t *obj)
{
timer_channel_output_state_config(obj->pwm, obj->ch, TIMER_CCX_DISABLE);
}
void pwmout_write(pwmout_t *obj, float value)
{
uint16_t period;
uint16_t pulse;
timer_disable(obj->pwm);
/* overflow protection */
if (value < (float)0.0) {
value = 0.0;
} else if (value > (float)1.0) {
value = 1.0;
}
period = TIMER_CAR(obj->pwm);
pulse = (uint16_t)(period * value);
timer_channel_output_pulse_value_config(obj->pwm, obj->ch, pulse);
timer_enable(obj->pwm);
}
float pwmout_read(pwmout_t *obj)
{
float value = 0;
uint16_t period;
uint16_t pulse;
period = TIMER_CAR(obj->pwm);
switch (obj->ch) {
case TIMER_CH_0:
pulse = TIMER_CH0CV(obj->pwm);
break;
case TIMER_CH_1:
pulse = TIMER_CH1CV(obj->pwm);
break;
case TIMER_CH_2:
pulse = TIMER_CH2CV(obj->pwm);
break;
case TIMER_CH_3:
pulse = TIMER_CH3CV(obj->pwm);
break;
default:
error("Error: pwm channel error! \r\n");
}
/* calculated waveform duty ratio */
value = (float)(pulse) / (float)(period);
if (value > (float)1.0) {
value = (float)1.0;
}
return value;
}
void pwmout_period(pwmout_t *obj, float seconds)
{
pwmout_period_us(obj, seconds * 1000000.0f);
}
void pwmout_period_ms(pwmout_t *obj, int ms)
{
pwmout_period_us(obj, ms * 1000);
}
void pwmout_period_us(pwmout_t *obj, int us)
{
uint32_t ultemp = 0;
uint32_t timer_clk = 0;
uint32_t period = us - 1;
uint32_t prescaler;
float duty_ratio;
duty_ratio = pwmout_read(obj);
timer_disable(obj->pwm);
timer_clk = timer_get_clock(obj->pwm);
ultemp = (timer_clk / 1000000);
prescaler = ultemp;
obj->cnt_unit = 1;
while (period > 0xFFFF) {
obj->cnt_unit = obj->cnt_unit << 1;
period = period >> 1;
prescaler = ultemp * obj->cnt_unit;
}
if (prescaler > 0xFFFF) {
error("Error: TIMER prescaler value is overflow \r\n");
}
timer_autoreload_value_config(obj->pwm, period);
timer_prescaler_config(obj->pwm, prescaler - 1, TIMER_PSC_RELOAD_NOW);
ultemp = duty_ratio * us;
pwmout_pulsewidth_us(obj, ultemp);
timer_enable(obj->pwm);
}
void pwmout_pulsewidth(pwmout_t *obj, float seconds)
{
pwmout_pulsewidth_us(obj, seconds * 1000000.0f);
}
void pwmout_pulsewidth_ms(pwmout_t *obj, int ms)
{
pwmout_pulsewidth_us(obj, ms * 1000);
}
void pwmout_pulsewidth_us(pwmout_t *obj, int us)
{
uint32_t pulse;
uint32_t period;
period = TIMER_CAR(obj->pwm);
pulse = us / obj->cnt_unit;
if (pulse > period) {
pulse = period;
}
timer_channel_output_pulse_value_config(obj->pwm, obj->ch, pulse);
}
static uint32_t timer_get_clock(uint32_t timer_periph)
{
uint32_t timerclk;
if ((TIMER0 == timer_periph) || (TIMER7 == timer_periph) ||
(TIMER8 == timer_periph) || (TIMER9 == timer_periph) || (TIMER10 == timer_periph)) {
/* get the current APB2 TIMER clock source */
if (RCU_APB2_CKAHB_DIV1 == (RCU_CFG0 & RCU_CFG0_APB2PSC)) {
timerclk = rcu_clock_freq_get(CK_APB2);
} else {
timerclk = rcu_clock_freq_get(CK_APB2) * 2;
}
} else {
/* get the current APB1 TIMER clock source */
if (RCU_APB1_CKAHB_DIV1 == (RCU_CFG0 & RCU_CFG0_APB1PSC)) {
timerclk = rcu_clock_freq_get(CK_APB1);
} else {
timerclk = rcu_clock_freq_get(CK_APB1) * 2;
}
}
return timerclk;
}

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#if DEVICE_RTC
#include "rtc_api.h"
static uint8_t rtc_init_flag = 0;
/** Initialize the RTC peripheral
*
* Powerup the RTC in perpetration for access. This function must be called
* before any other RTC functions ares called. This does not change the state
* of the RTC. It just enables access to it.
*
* @note This function is safe to call repeatedly - Tested by ::rtc_init_test
*/
void rtc_init(void)
{
/* make sure RTC only init once */
if (rtc_init_flag) {
return;
}
rtc_init_flag = 1;
/* enable PMU and BKPI clocks */
rcu_periph_clock_enable(RCU_BKPI);
rcu_periph_clock_enable(RCU_PMU);
/* allow access to BKP domain */
pmu_backup_write_enable();
/* enable LXTAL */
rcu_osci_on(RCU_LXTAL);
/* wait till LXTAL is ready */
rcu_osci_stab_wait(RCU_LXTAL);
/* select RCU_LXTAL as RTC clock source */
rcu_rtc_clock_config(RCU_RTCSRC_LXTAL);
/* enable RTC Clock */
rcu_periph_clock_enable(RCU_RTC);
/* wait for RTC registers synchronization */
rtc_register_sync_wait();
/* wait until last write operation on RTC registers has finished */
rtc_lwoff_wait();
/* set RTC prescaler: set RTC period to 1s */
rtc_prescaler_set(32767);
/* wait until last write operation on RTC registers has finished */
rtc_lwoff_wait();
}
/** Deinitialize RTC
*
* Powerdown the RTC in preparation for sleep, powerdown or reset. That should only
* affect the CPU domain and not the time keeping logic.
* After this function is called no other RTC functions should be called
* except for ::rtc_init.
*/
void rtc_free(void)
{
}
/** Check if the RTC has the time set and is counting
*
* @retval 0 The time reported by the RTC is not valid
* @retval 1 The time has been set the RTC is counting
*/
int rtc_isenabled(void)
{
if (RESET == (RTC_CTL & RTC_CTL_RSYNF)) {
return 0;
} else {
return 1;
}
}
/** Get the current time from the RTC peripheral
*
* @return The current time in seconds
*
* @note Some RTCs are not synchronized with the main clock. If
* this is the case with your RTC then you must read the RTC time
* in a loop to prevent reading the wrong time due to a glitch.
* The test ::rtc_glitch_test is intended to catch this bug.
*/
time_t rtc_read(void)
{
return (rtc_counter_get());
}
/** Write the current time in seconds to the RTC peripheral
*
* @param t The current time to be set in seconds.
*/
void rtc_write(time_t t)
{
rtc_counter_set((uint32_t)t);
rtc_lwoff_wait();
}
#endif /* DEVICE_RTC */

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#if DEVICE_SLEEP
#include "sleep_api.h"
#include "us_ticker_api.h"
#include "mbed_critical.h"
#include "mbed_error.h"
extern void ticker_timer_data_save(void);
extern void ticker_timer_data_restore(void);
extern int serial_busy_state_check(void);
/*!
\brief configure the system clock to 120M by PLL which selects HXTAL(8M) as its clock source
\param[in] none
\param[out] none
\retval none
*/
static void system_clock_120m_hxtal(void)
{
uint32_t timeout = 0U;
uint32_t stab_flag = 0U;
/* enable HXTAL */
RCU_CTL |= RCU_CTL_HXTALEN;
/* wait until HXTAL is stable or the startup time is longer than HXTAL_STARTUP_TIMEOUT */
do {
timeout++;
stab_flag = (RCU_CTL & RCU_CTL_HXTALSTB);
} while ((0U == stab_flag) && (HXTAL_STARTUP_TIMEOUT != timeout));
/* if fail */
if (0U == (RCU_CTL & RCU_CTL_HXTALSTB)) {
while (1) {
}
}
FMC_WS = (FMC_WS & (~FMC_WS_WSCNT)) | FMC_WAIT_STATE_3;
/* HXTAL is stable */
/* AHB = SYSCLK */
RCU_CFG0 |= RCU_AHB_CKSYS_DIV1;
/* APB2 = AHB/1 */
RCU_CFG0 |= RCU_APB2_CKAHB_DIV1;
/* APB1 = AHB/2 */
RCU_CFG0 |= RCU_APB1_CKAHB_DIV2;
/* CK_PLL = (CK_PREDIV0) * 30 = 120 MHz */
RCU_CFG0 &= ~(RCU_CFG0_PLLMF | RCU_CFG0_PLLMF_4);
RCU_CFG0 |= (RCU_PLLSRC_HXTAL_IRC48M | RCU_PLL_MUL30);
RCU_CFG1 &= ~(RCU_CFG1_PLLPRESEL | RCU_CFG1_PREDV0SEL | RCU_CFG1_PLL1MF | RCU_CFG1_PREDV1 | RCU_CFG1_PREDV0);
#ifdef HXTAL_VALUE_8M
/* CK_PREDIV0 = (CK_HXTAL)/2 *10 /10 = 4 MHz */
RCU_CFG1 |= (RCU_PLLPRESRC_HXTAL | RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL10 | RCU_PREDV1_DIV2 | RCU_PREDV0_DIV10);
#elif defined (HXTAL_VALUE_25M)
/* CK_PREDIV0 = (CK_HXTAL)/5 *8/10 = 4 MHz */
RCU_CFG1 |= (RCU_PLLPRESRC_HXTAL | RCU_PREDV0SRC_CKPLL1 | RCU_PLL1_MUL8 | RCU_PREDV1_DIV5 | RCU_PREDV0_DIV10);
#endif
/* enable PLL1 */
RCU_CTL |= RCU_CTL_PLL1EN;
/* wait till PLL1 is ready */
while ((RCU_CTL & RCU_CTL_PLL1STB) == 0U) {
}
/* enable PLL */
RCU_CTL |= RCU_CTL_PLLEN;
/* wait until PLL is stable */
while (0U == (RCU_CTL & RCU_CTL_PLLSTB)) {
}
/* select PLL as system clock */
RCU_CFG0 &= ~RCU_CFG0_SCS;
RCU_CFG0 |= RCU_CKSYSSRC_PLL;
/* wait until PLL is selected as system clock */
while (0U == (RCU_CFG0 & RCU_SCSS_PLL)) {
}
}
/** Send the microcontroller to sleep
*
* The processor is setup ready for sleep, and sent to sleep. In this mode, the
* system clock to the core is stopped until a reset or an interrupt occurs. This eliminates
* dynamic power used by the processor, memory systems and buses. The processor, peripheral and
* memory state are maintained, and the peripherals continue to work and can generate interrupts.
*
* The processor can be woken up by any internal peripheral interrupt or external pin interrupt.
*
* The wake-up time shall be less than 10 us.
*
*/
void hal_sleep(void)
{
/* Disable Interrupts */
core_util_critical_section_enter();
/* Enter SLEEP mode */
pmu_to_sleepmode(WFI_CMD);
/* Enable Interrupts */
core_util_critical_section_exit();
}
/** Send the microcontroller to deep sleep
*
* This processor is setup ready for deep sleep, and sent to sleep using __WFI(). This mode
* has the same sleep features as sleep plus it powers down peripherals and high frequency clocks.
* All state is still maintained.
*
* The processor can only be woken up by low power ticker, RTC, an external interrupt on a pin or a watchdog timer.
*
* The wake-up time shall be less than 10 ms.
*/
void hal_deepsleep(void)
{
if (0 != serial_busy_state_check()) {
return;
}
/* Disable Interrupts */
core_util_critical_section_enter();
ticker_timer_data_save();
/* Enter DEEP SLEEP mode */
rcu_periph_clock_enable(RCU_PMU);
pmu_to_deepsleepmode(PMU_LDO_NORMAL, WFI_CMD);
/* Reconfigure the PLL after weak up */
system_clock_120m_hxtal();
ticker_timer_data_restore();
/* Enable Interrupts */
core_util_critical_section_exit();
}
#endif /* DEVICE_SLEEP */

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mbed_assert.h"
#include "mbed_error.h"
#include "spi_api.h"
#if DEVICE_SPI
#include "cmsis.h"
#include "pinmap.h"
#include "PeripheralPins.h"
#define SPI_S(obj) (( struct spi_s *)(obj))
/** Get the frequency of SPI clock source
*
* Configures the pins used by SPI, sets a default format and frequency, and enables the peripheral
* @param[out] spi_freq The SPI clock source freguency
* @param[in] obj The SPI object
*/
static int dev_spi_clock_source_frequency_get(spi_t *obj)
{
int spi_freq = 0;
struct spi_s *spiobj = SPI_S(obj);
switch ((int)spiobj->spi) {
case SPI0:
/* clock source is APB2 */
spi_freq = rcu_clock_freq_get(CK_APB2);
break;
case SPI1:
/* clock source is APB1 */
spi_freq = rcu_clock_freq_get(CK_APB1);
break;
case SPI2:
/* clock source is APB1 */
spi_freq = rcu_clock_freq_get(CK_APB1);
break;
default:
error("SPI clock source frequency get error");
break;
}
return spi_freq;
}
/** Initialize the SPI structure
*
* Configures the pins used by SPI, sets a default format and frequency, and enables the peripheral
* @param[out] obj The SPI object to initialize
*/
static void dev_spi_struct_init(spi_t *obj)
{
struct spi_s *spiobj = SPI_S(obj);
spi_disable(spiobj->spi);
spi_para_init(spiobj->spi, &obj->spi_struct);
spi_enable(spiobj->spi);
}
/** Initialize the SPI peripheral
*
* Configures the pins used by SPI, sets a default format and frequency, and enables the peripheral
* @param[out] obj The SPI object to initialize
* @param[in] mosi The pin to use for MOSI
* @param[in] miso The pin to use for MISO
* @param[in] sclk The pin to use for SCLK
* @param[in] ssel The pin to use for SSEL
*/
void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel)
{
struct spi_s *spiobj = SPI_S(obj);
SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI);
SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO);
SPIName spi_sclk = (SPIName)pinmap_peripheral(sclk, PinMap_SPI_SCLK);
SPIName spi_ssel = (SPIName)pinmap_peripheral(ssel, PinMap_SPI_SSEL);
/* return SPIName according to PinName */
SPIName spi_data = (SPIName)pinmap_merge(spi_mosi, spi_miso);
SPIName spi_cntl = (SPIName)pinmap_merge(spi_sclk, spi_ssel);
spiobj->spi = (SPIName)pinmap_merge(spi_data, spi_cntl);
MBED_ASSERT(spiobj->spi != (SPIName)NC);
/* Set iqr type */
if (spiobj->spi == SPI0) {
rcu_periph_clock_enable(RCU_SPI0);
spiobj->spi_irq = SPI0_IRQn;
}
if (spiobj->spi == SPI1) {
rcu_periph_clock_enable(RCU_SPI1);
spiobj->spi_irq = SPI1_IRQn;
}
if (spiobj->spi == SPI2) {
rcu_periph_clock_enable(RCU_SPI2);
spiobj->spi_irq = SPI2_IRQn;
}
/* config GPIO mode of SPI pins */
pinmap_pinout(mosi, PinMap_SPI_MOSI);
pinmap_pinout(miso, PinMap_SPI_MISO);
pinmap_pinout(sclk, PinMap_SPI_SCLK);
spiobj->pin_miso = miso;
spiobj->pin_mosi = mosi;
spiobj->pin_sclk = sclk;
spiobj->pin_ssel = ssel;
if (ssel != NC) {
pinmap_pinout(ssel, PinMap_SPI_SSEL);
spiobj->spi_struct.nss = SPI_NSS_HARD;
spi_nss_output_enable(spiobj->spi);
} else {
spiobj->spi_struct.nss = SPI_NSS_SOFT;
}
spiobj->spi_struct.device_mode = SPI_MASTER;
spiobj->spi_struct.prescale = SPI_PSC_256;
spiobj->spi_struct.trans_mode = SPI_TRANSMODE_FULLDUPLEX;
spiobj->spi_struct.clock_polarity_phase = SPI_CK_PL_LOW_PH_1EDGE;
spiobj->spi_struct.frame_size = SPI_FRAMESIZE_8BIT;
spiobj->spi_struct.endian = SPI_ENDIAN_MSB;
dev_spi_struct_init(obj);
}
/** Release a SPI object
*
* TODO: spi_free is currently unimplemented
* This will require reference counting at the C++ level to be safe
*
* Return the pins owned by the SPI object to their reset state
* Disable the SPI peripheral
* Disable the SPI clock
* @param[in] obj The SPI object to deinitialize
*/
void spi_free(spi_t *obj)
{
struct spi_s *spiobj = SPI_S(obj);
spi_disable(spiobj->spi);
/* Disable and deinit SPI */
if (spiobj->spi == SPI0) {
spi_i2s_deinit(SPI0);
rcu_periph_clock_disable(RCU_SPI0);
}
if (spiobj->spi == SPI1) {
spi_i2s_deinit(SPI1);
rcu_periph_clock_disable(RCU_SPI1);
}
if (spiobj->spi == SPI2) {
spi_i2s_deinit(SPI2);
rcu_periph_clock_disable(RCU_SPI2);
}
/* Deinit GPIO mode of SPI pins */
pin_function(spiobj->pin_miso, MODE_IN_FLOATING);
pin_function(spiobj->pin_mosi, MODE_IN_FLOATING);
pin_function(spiobj->pin_sclk, MODE_IN_FLOATING);
if (spiobj->spi_struct.nss != SPI_NSS_SOFT) {
pin_function(spiobj->pin_ssel, MODE_IN_FLOATING);
}
}
/** Configure the SPI format
*
* Set the number of bits per frame, configure clock polarity and phase, shift order and master/slave mode.
* The default bit order is MSB.
* @param[in,out] obj The SPI object to configure
* @param[in] bits The number of bits per frame
* @param[in] mode The SPI mode (clock polarity, phase, and shift direction)
* @param[in] slave Zero for master mode or non-zero for slave mode
*/
void spi_format(spi_t *obj, int bits, int mode, int slave)
{
struct spi_s *spiobj = SPI_S(obj);
spiobj->spi_struct.frame_size = (bits == 16) ? SPI_FRAMESIZE_16BIT : SPI_FRAMESIZE_8BIT;
/* Config polarity and phase of SPI */
switch (mode) {
case 0:
spiobj->spi_struct.clock_polarity_phase = SPI_CK_PL_LOW_PH_1EDGE;
break;
case 1:
spiobj->spi_struct.clock_polarity_phase = SPI_CK_PL_LOW_PH_2EDGE;
break;
case 2:
spiobj->spi_struct.clock_polarity_phase = SPI_CK_PL_HIGH_PH_1EDGE;
break;
default:
spiobj->spi_struct.clock_polarity_phase = SPI_CK_PL_HIGH_PH_2EDGE;
break;
}
if (spiobj->spi_struct.nss != SPI_NSS_SOFT) {
if (slave) {
pin_function(spiobj->pin_mosi, MODE_IN_FLOATING);
pin_function(spiobj->pin_sclk, MODE_IN_FLOATING);
pin_function(spiobj->pin_ssel, MODE_IN_FLOATING);
spi_nss_output_disable(spiobj->spi);
}
}
/* Select SPI as master or slave */
spiobj->spi_struct.device_mode = (slave) ? SPI_SLAVE : SPI_MASTER;
dev_spi_struct_init(obj);
}
static const uint16_t baudrate_prescaler_table[] = {SPI_PSC_2,
SPI_PSC_4,
SPI_PSC_8,
SPI_PSC_16,
SPI_PSC_32,
SPI_PSC_64,
SPI_PSC_128,
SPI_PSC_256
};
/** Set the SPI baud rate
*
* Actual frequency may differ from the desired frequency due to available dividers and bus clock
* Configures the SPI peripheral's baud rate
* @param[in,out] obj The SPI object to configure
* @param[in] hz The baud rate in Hz
*/
void spi_frequency(spi_t *obj, int hz)
{
struct spi_s *spiobj = SPI_S(obj);
int spi_hz = 0;
uint8_t prescaler_rank = 0;
uint8_t last_index = (sizeof(baudrate_prescaler_table) / sizeof(baudrate_prescaler_table[0])) - 1;
spi_hz = dev_spi_clock_source_frequency_get(obj) / 2;
/* Config SPI prescaler according to input frequency*/
while ((spi_hz > hz) && (prescaler_rank < last_index)) {
spi_hz = spi_hz / 2;
prescaler_rank++;
}
spiobj->spi_struct.prescale = baudrate_prescaler_table[prescaler_rank];
dev_spi_struct_init(obj);
}
/** Write a block out in master mode and receive a value
*
* The total number of bytes sent and received will be the maximum of
* tx_length and rx_length. The bytes written will be padded with the
* value 0xff.
*
* @param[in] obj The SPI peripheral to use for sending
* @param[in] tx_buffer Pointer to the byte-array of data to write to the device
* @param[in] tx_length Number of bytes to write, may be zero
* @param[in] rx_buffer Pointer to the byte-array of data to read from the device
* @param[in] rx_length Number of bytes to read, may be zero
* @param[in] write_fill Default data transmitted while performing a read
* @returns
* The number of bytes written and read from the device. This is
* maximum of tx_length and rx_length.
*/
int spi_master_block_write(spi_t *obj, const char *tx_buffer, int tx_length, char *rx_buffer, int rx_length, char write_fill)
{
int total = (tx_length > rx_length) ? tx_length : rx_length;
for (int i = 0; i < total; i++) {
char out = (i < tx_length) ? tx_buffer[i] : write_fill;
char in = spi_master_write(obj, out);
if (i < rx_length) {
rx_buffer[i] = in;
}
}
return total;
}
/** Write a byte out in master mode and receive a value
*
* @param[in] obj The SPI peripheral to use for sending
* @param[in] value The value to send
* @return Returns the value received during send
*/
int spi_master_write(spi_t *obj, int value)
{
int count = 0;
struct spi_s *spiobj = SPI_S(obj);
/* wait the SPI transmit buffer is empty */
while ((RESET == spi_i2s_flag_get(spiobj->spi, SPI_FLAG_TBE)) && (count++ < 1000));
if (count >= 1000) {
return -1;
} else {
spi_i2s_data_transmit(spiobj->spi, value);
}
count = 0;
/* wait the SPI receive buffer is not empty */
while ((RESET == spi_i2s_flag_get(spiobj->spi, SPI_FLAG_RBNE)) && (count++ < 1000));
if (count >= 1000) {
return -1;
} else {
return spi_i2s_data_receive(spiobj->spi);
}
}
/** Check if a value is available to read
*
* @param[in] obj The SPI peripheral to check
* @return non-zero if a value is available
*/
int spi_slave_receive(spi_t *obj)
{
int status;
struct spi_s *spiobj = SPI_S(obj);
/* check whether or not the SPI receive buffer is empty */
status = ((spi_i2s_flag_get(spiobj->spi, SPI_FLAG_RBNE) != RESET) ? 1 : 0);
return status;
}
/** Get a received value out of the SPI receive buffer in slave mode
*
* Blocks until a value is available
* @param[in] obj The SPI peripheral to read
* @return The value received
*/
int spi_slave_read(spi_t *obj)
{
int count = 0;
struct spi_s *spiobj = SPI_S(obj);
/* wait the SPI receive buffer is not empty */
while ((RESET == spi_i2s_flag_get(spiobj->spi, SPI_FLAG_RBNE)) && (count++ < 1000));
if (count >= 1000) {
return -1;
} else {
return spi_i2s_data_receive(spiobj->spi);
}
}
/** Write a value to the SPI peripheral in slave mode
*
* Blocks until the SPI peripheral can be written to
* @param[in] obj The SPI peripheral to write
* @param[in] value The value to write
*/
void spi_slave_write(spi_t *obj, int value)
{
struct spi_s *spiobj = SPI_S(obj);
/* wait the SPI transmit buffer is empty */
while (RESET == spi_i2s_flag_get(spiobj->spi, SPI_FLAG_TBE));
spi_i2s_data_transmit(spiobj->spi, value);
}
/** Checks if the specified SPI peripheral is in use
*
* @param[in] obj The SPI peripheral to check
* @return non-zero if the peripheral is currently transmitting
*/
int spi_busy(spi_t *obj)
{
int status;
struct spi_s *spiobj = SPI_S(obj);
/* check whether or not the SPI is busy */
status = ((spi_i2s_flag_get(spiobj->spi, SPI_FLAG_TRANS) != RESET) ? 1 : 0);
return status;
}
#endif

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/* mbed Microcontroller Library
* Copyright (c) 2018 GigaDevice Semiconductor Inc.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "gd32e10x.h"
#include "us_ticker_api.h"
#include "PeripheralNames.h"
#include "hal_tick.h"
#if TICKER_TIMER_WIDTH_BIT == 16
uint32_t time_before;
uint32_t total_elapsed_time;
#endif
/* this variable is set to 1 at the end of mbed_sdk_init function.
the ticker_read_us() function must not be called until the mbed_sdk_init is terminated */
extern int mbed_sdk_inited;
uint32_t ticker_timer_cnt;
uint32_t ticker_timer_ch0cv;
uint32_t ticker_timer_dmainten;
void ticker_timer_init(void);
#if TICKER_TIMER_WIDTH_BIT == 16
void ticker_16bits_timer_init(void);
#else
void ticker_32bits_timer_init(void);
#endif
void ticker_timer_irq_handler(void);
/* get TIMER clock */
static uint32_t timer_get_clock(uint32_t timer_periph);
uint32_t ticker_tick_get(void);
void ticker_timer_data_save(void);
void ticker_timer_data_save(void);
void ticker_timer_data_restore(void);
void ticker_timer_init(void)
{
#if TICKER_TIMER_WIDTH_BIT == 16
ticker_16bits_timer_init();
#else
ticker_32bits_timer_init();
#endif
}
/** get tick
*
* @return the tick
*/
uint32_t ticker_tick_get(void)
{
#if TICKER_TIMER_WIDTH_BIT == 16
uint32_t new_time;
if (mbed_sdk_inited) {
/* Apply the latest time recorded just before the sdk is inited */
new_time = ticker_read_us(get_us_ticker_data()) + time_before;
time_before = 0;
return (new_time / 1000);
} else {
/* Prevent small values from subtracting large ones
example:
0x0010-0xFFEE=FFFF0022 , (0xFFFF-0xFFEE+0x10+1=0x22,1 mean CNT=0 tick)
FFFF0022 & 0xFFFF = 0022
*/
new_time = us_ticker_read();
total_elapsed_time += (new_time - time_before) & 0xFFFF;
time_before = new_time;
return (total_elapsed_time / 1000);
}
#else // 32-bit timer
if (mbed_sdk_inited) {
return (ticker_read_us(get_us_ticker_data()) / 1000);
} else {
return (us_ticker_read() / 1000);
}
#endif
}
/** Get frequency and counter bits of this ticker.
*/
const ticker_info_t *us_ticker_get_info()
{
static const ticker_info_t info = {
1000000,
TICKER_TIMER_WIDTH_BIT
};
return &info;
}
/* config for 32bits TIMER */
#if TICKER_TIMER_WIDTH_BIT == 16
/** config the interrupt handler
*/
void ticker_timer_irq_handler(void)
{
if (SET == timer_interrupt_flag_get(TICKER_TIMER, TIMER_INT_FLAG_CH0)) {
timer_interrupt_flag_clear(TICKER_TIMER, TIMER_INT_FLAG_CH0);
us_ticker_irq_handler();
}
}
/** initialize the TIMER
*/
void ticker_16bits_timer_init(void)
{
timer_parameter_struct timer_initpara;
uint32_t timer_clk = timer_get_clock(TICKER_TIMER);
/* enable ticker timer clock */
TICKER_TIMER_RCU_CLOCK_ENABLE;
/* reset ticker timer peripheral */
TICKER_TIMER_RESET_ENABLE;
TICKER_TIMER_RESET_DISABLE;
/* TICKER_TIMER configuration */
timer_initpara.prescaler = (uint32_t)(timer_clk / 1000000) - 1;;
timer_initpara.alignedmode = TIMER_COUNTER_EDGE;
timer_initpara.counterdirection = TIMER_COUNTER_UP;
timer_initpara.period = 0xFFFF;
timer_initpara.clockdivision = TIMER_CKDIV_DIV1;
timer_initpara.repetitioncounter = 0;
timer_init(TICKER_TIMER, &timer_initpara);
/* auto-reload preload disable */
timer_auto_reload_shadow_disable(TICKER_TIMER);
/* configure TIMER channel enable state */
timer_channel_output_state_config(TICKER_TIMER, TIMER_CH_0, TIMER_CCX_ENABLE);
/* configure TIMER primary output function */
timer_primary_output_config(TICKER_TIMER, ENABLE);
timer_enable(TICKER_TIMER);
/* Output compare channel 0 interrupt for mbed timeout */
NVIC_SetVector(TICKER_TIMER_IRQ, (uint32_t)ticker_timer_irq_handler);
NVIC_EnableIRQ(TICKER_TIMER_IRQ);
/* if define the FREEZE_TIMER_ON_DEBUG macro in mbed_app.json or other file,
hold the TICKER_TIMER counter for debug when core halted
*/
#if !defined(NDEBUG) && defined(FREEZE_TIMER_ON_DEBUG) && defined(TICKER_TIMER_DEBUG_STOP)
TICKER_TIMER_DEBUG_STOP;
#endif
timer_interrupt_disable(TICKER_TIMER, TIMER_INT_CH0);
/* used by ticker_tick_get() */
time_before = 0;
total_elapsed_time = 0;
}
/* config for 32bits TIMER */
#else
/** config the interrupt handler
*/
void ticker_timer_irq_handler(void)
{
if (SET == timer_interrupt_flag_get(TICKER_TIMER, TIMER_INT_FLAG_CH0)) {
timer_interrupt_flag_clear(TICKER_TIMER, TIMER_INT_FLAG_CH0);
us_ticker_irq_handler();
}
}
/** initialize the TIMER
*/
void ticker_32bits_timer_init(void)
{
timer_parameter_struct timer_initpara;
uint32_t timer_clk = timer_get_clock(TICKER_TIMER);
/* enable ticker timer clock */
TICKER_TIMER_RCU_CLOCK_ENABLE;
/* reset ticker timer peripheral */
TICKER_TIMER_RESET_ENABLE;
TICKER_TIMER_RESET_DISABLE;
/* TICKER_TIMER configuration */
timer_initpara.prescaler = (uint32_t)(timer_clk / 1000000) - 1;;
timer_initpara.alignedmode = TIMER_COUNTER_EDGE;
timer_initpara.counterdirection = TIMER_COUNTER_UP;
timer_initpara.period = 0xFFFFFFFF;
timer_initpara.clockdivision = TIMER_CKDIV_DIV1;
timer_initpara.repetitioncounter = 0;
timer_init(TICKER_TIMER, &timer_initpara);
/* auto-reload preload disable */
timer_auto_reload_shadow_disable(TICKER_TIMER);
/* configure TIMER channel enable state */
timer_channel_output_state_config(TICKER_TIMER, TIMER_CH_0, TIMER_CCX_ENABLE);
/* configure TIMER primary output function */
timer_primary_output_config(TICKER_TIMER, ENABLE);
timer_enable(TICKER_TIMER);
/* Output compare channel 0 interrupt for mbed timeout */
NVIC_SetVector(TICKER_TIMER_IRQ, (uint32_t)ticker_timer_irq_handler);
NVIC_EnableIRQ(TICKER_TIMER_IRQ);
/* if define the FREEZE_TIMER_ON_DEBUG macro in mbed_app.json or other file,
hold the TICKER_TIMER counter for debug when core halted
*/
#if !defined(NDEBUG) && defined(FREEZE_TIMER_ON_DEBUG) && defined(TICKER_TIMER_DEBUG_STOP)
TICKER_TIMER_DEBUG_STOP;
#endif
timer_interrupt_disable(TICKER_TIMER, TIMER_INT_CH0);
}
#endif /* 16-bit/32-bit timer init */
/** Initialize the ticker
*
* Initialize or re-initialize the ticker. This resets all the
* clocking and prescaler registers, along with disabling
* the compare interrupt.
*
* @note Initialization properties tested by ::ticker_init_test
*/
void us_ticker_init(void)
{
/* TIMER is already initialized in ticker_timer_init() */
/* disable the TIMER interrupt */
timer_interrupt_disable(TICKER_TIMER, TIMER_INT_CH0);
/* configure TIMER channel enable state */
timer_channel_output_state_config(TICKER_TIMER, TIMER_CH_0, TIMER_CCX_ENABLE);
/* configure TIMER primary output function */
timer_primary_output_config(TICKER_TIMER, ENABLE);
timer_enable(TICKER_TIMER);
}
/** Read the current counter
*
* Read the current counter value without performing frequency conversions.
* If no rollover has occurred, the seconds passed since us_ticker_init()
* was called can be found by dividing the ticks returned by this function
* by the frequency returned by ::us_ticker_get_info.
*
* @return The current timer's counter value in ticks
*/
uint32_t us_ticker_read()
{
/* read TIMER counter value */
uint32_t count_value = 0U;
count_value = TIMER_CNT(TICKER_TIMER);
return (count_value);
}
/** Set interrupt for specified timestamp
*
* @param timestamp The time in ticks to be set
*
* @note no special handling needs to be done for times in the past
* as the common timer code will detect this and call
* us_ticker_fire_interrupt() if this is the case
*
* @note calling this function with timestamp of more than the supported
* number of bits returned by ::us_ticker_get_info results in undefined
* behavior.
*/
void us_ticker_set_interrupt(timestamp_t timestamp)
{
/* configure TIMER channel output pulse value.Only set this value when you interrupt disabled */
timer_channel_output_pulse_value_config(TICKER_TIMER, TIMER_CH_0, (uint32_t)timestamp);
/* clear TIMER interrupt flag,enable the TIMER interrupt */
timer_interrupt_flag_clear(TICKER_TIMER, TIMER_INT_FLAG_CH0);
timer_interrupt_enable(TICKER_TIMER, TIMER_INT_CH0);
}
/** Set pending interrupt that should be fired right away.
*
* The ticker should be initialized prior calling this function.
*/
void us_ticker_fire_interrupt(void)
{
/* clear TIMER interrupt flag */
timer_interrupt_flag_clear(TICKER_TIMER, TIMER_INT_FLAG_CH0);
/* channel 0 capture or compare event generation immediately,so CH0IF set for interrupt */
timer_event_software_generate(TICKER_TIMER, TIMER_EVENT_SRC_CH0G);
/* enable the TIMER interrupt */
timer_interrupt_enable(TICKER_TIMER, TIMER_INT_CH0);
}
/** Disable us ticker interrupt
*/
void us_ticker_disable_interrupt(void)
{
/* disable the TIMER interrupt */
timer_interrupt_disable(TICKER_TIMER, TIMER_INT_CH0);
}
/** Clear us ticker interrupt
* note: must be called with interrupts disabled function
*/
void us_ticker_clear_interrupt(void)
{
/* clear TIMER interrupt flag */
timer_interrupt_flag_clear(TICKER_TIMER, TIMER_INT_FLAG_CH0);
}
/** save ticker TIMER data when MCU go to deepsleep
*/
void ticker_timer_data_save(void)
{
ticker_timer_cnt = TIMER_CNT(TICKER_TIMER);
ticker_timer_ch0cv = TIMER_CH0CV(TICKER_TIMER);
ticker_timer_dmainten = TIMER_DMAINTEN(TICKER_TIMER);
}
/** restore ticker TIMER data when MCU go out deepsleep
*/
void ticker_timer_data_restore(void)
{
TIMER_CNT(TICKER_TIMER) = ticker_timer_cnt;
TIMER_CH0CV(TICKER_TIMER) = ticker_timer_ch0cv;
TIMER_DMAINTEN(TICKER_TIMER) = ticker_timer_dmainten;
}
/** Deinitialize the us ticker
*
* Powerdown the us ticker in preparation for sleep, powerdown, or reset.
*
* After this function is called, no other ticker functions should be called
* except us_ticker_init(), calling any function other than init is undefined.
*
* @note This function stops the ticker from counting.
*/
void us_ticker_free(void)
{
/* configure TIMER channel enable state */
timer_channel_output_state_config(TICKER_TIMER, TIMER_CH_0, TIMER_CCX_DISABLE);
/* configure TIMER primary output function */
timer_primary_output_config(TICKER_TIMER, DISABLE);
/* disable a TIMER */
timer_disable(TICKER_TIMER);
us_ticker_disable_interrupt();
}
/** get TIMER clock
* @param timer_dev: TIMER device information structrue
the structure is not necessary to be reconfigured after structrue initialization,
the structure parameters altering is automatically configured by core
* @return TIMER clock
*/
static uint32_t timer_get_clock(uint32_t timer_periph)
{
uint32_t timerclk;
if ((TIMER0 == timer_periph) || (TIMER7 == timer_periph) ||
(TIMER8 == timer_periph) || (TIMER9 == timer_periph) || (TIMER10 == timer_periph)) {
/* get the current APB2 TIMER clock source */
if (RCU_APB2_CKAHB_DIV1 == (RCU_CFG0 & RCU_CFG0_APB2PSC)) {
timerclk = rcu_clock_freq_get(CK_APB2);
} else {
timerclk = rcu_clock_freq_get(CK_APB2) * 2;
}
} else {
/* get the current APB1 TIMER clock source */
if (RCU_APB1_CKAHB_DIV1 == (RCU_CFG0 & RCU_CFG0_APB1PSC)) {
timerclk = rcu_clock_freq_get(CK_APB1);
} else {
timerclk = rcu_clock_freq_get(CK_APB1) * 2;
}
}
return timerclk;
}

22
targets/targets.json
View File

@ -8042,5 +8042,27 @@
"overrides": {
"network-default-interface-type": "ETHERNET"
}
},
"GD32_E103VB": {
"inherits": ["GD32_Target"],
"supported_form_factors": ["ARDUINO"],
"core": "Cortex-M4",
"extra_labels_add": ["GD32E10X", "GD32E103VB"],
"device_has_add": [
"RTC",
"I2C",
"CAN",
"I2CSLAVE",
"ANALOGOUT",
"SPI",
"SPISLAVE",
"SERIAL_ASYNCH",
"SERIAL_FC",
"FLASH",
"SLEEP"
],
"detect_code": ["1703"],
"macros_add": ["GD32E10X"],
"release_versions": ["5"]
}
}