mirror of https://github.com/ARMmbed/mbed-os.git
170 lines
6.2 KiB
C
170 lines
6.2 KiB
C
/* mbed Microcontroller Library
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*******************************************************************************
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* Copyright (c) 2016, STMicroelectronics
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*******************************************************************************
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*/
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#ifndef MBED_PIN_DEVICE_H
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#define MBED_PIN_DEVICE_H
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#include "cmsis.h"
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#include "stm32f1xx_ll_gpio.h"
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#include "PeripheralPins.h"
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extern const uint32_t ll_pin_defines[16];
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static inline void stm_pin_DisconnectDebug(PinName pin)
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{
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// Enable AFIO clock
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__HAL_RCC_AFIO_CLK_ENABLE();
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// Disconnect JTAG-DP + SW-DP signals.
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// Warning: Need to reconnect under reset
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if ((pin == PA_13) || (pin == PA_14)) {
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__HAL_AFIO_REMAP_SWJ_DISABLE(); // JTAG-DP Disabled and SW-DP Disabled
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}
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if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) {
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__HAL_AFIO_REMAP_SWJ_NOJTAG(); // JTAG-DP Disabled and SW-DP enabled
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}
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}
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/* The AF selection of F1 family is specific compared to others */
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static inline void stm_pin_SetAFPin(GPIO_TypeDef *gpio, PinName pin, uint32_t afnum)
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{
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// Enable AFIO clock
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__HAL_RCC_AFIO_CLK_ENABLE();
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if (afnum > 0) {
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switch (afnum) {
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case AFIO_REMAP_SPI1_ENABLE:
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__HAL_AFIO_REMAP_SPI1_ENABLE();
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break;
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case AFIO_REMAP_I2C1_ENABLE:
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__HAL_AFIO_REMAP_I2C1_ENABLE();
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break;
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case AFIO_REMAP_USART1_ENABLE:
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__HAL_AFIO_REMAP_USART1_ENABLE();
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break;
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case AFIO_REMAP_USART2_ENABLE:
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__HAL_AFIO_REMAP_USART2_ENABLE();
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break;
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case AFIO_REMAP_USART3_PARTIAL:
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__HAL_AFIO_REMAP_USART3_PARTIAL();
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break;
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case AFIO_REMAP_TIM1_PARTIAL:
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__HAL_AFIO_REMAP_TIM1_PARTIAL();
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break;
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case AFIO_REMAP_TIM3_PARTIAL:
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__HAL_AFIO_REMAP_TIM3_PARTIAL();
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break;
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case AFIO_REMAP_TIM2_ENABLE:
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__HAL_AFIO_REMAP_TIM2_ENABLE();
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break;
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case AFIO_REMAP_TIM3_ENABLE:
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__HAL_AFIO_REMAP_TIM3_ENABLE();
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break;
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#if defined(AFIO_MAPR_CAN_REMAP_REMAP1)
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case AFIO_REMAP_CAN1_2:
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__HAL_AFIO_REMAP_CAN1_2();
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break;
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#endif
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case AFIO_REMAP_TIM1_ENABLE:
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__HAL_AFIO_REMAP_TIM1_ENABLE();
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break;
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case AFIO_REMAP_USART3_ENABLE:
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__HAL_AFIO_REMAP_USART3_ENABLE();
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break;
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case AFIO_REMAP_CAN1_3:
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__HAL_AFIO_REMAP_CAN1_3();
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break;
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case AFIO_REMAP_TIM2_PARTIAL_1:
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__HAL_AFIO_REMAP_TIM2_PARTIAL_1();
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break;
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case AFIO_REMAP_TIM2_PARTIAL_2:
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__HAL_AFIO_REMAP_TIM2_PARTIAL_2();
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break;
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case AFIO_REMAP_TIM4_ENABLE:
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__HAL_AFIO_REMAP_TIM4_ENABLE();
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break;
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#if defined(AFIO_MAPR2_TIM9_REMAP)
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case AFIO_REMAP_TIM9_ENABLE:
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__HAL_AFIO_REMAP_TIM9_ENABLE();
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break;
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#endif
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#if defined(AFIO_MAPR2_TIM10_REMAP)
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case AFIO_REMAP_TIM10_ENABLE:
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__HAL_AFIO_REMAP_TIM10_ENABLE();
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break;
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#endif
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#if defined(AFIO_MAPR2_TIM11_REMAP)
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case AFIO_REMAP_TIM11_ENABLE:
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__HAL_AFIO_REMAP_TIM11_ENABLE();
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break;
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#endif
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#if defined(AFIO_MAPR2_TIM13_REMAP)
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case AFIO_REMAP_TIM13_ENABLE:
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__HAL_AFIO_REMAP_TIM13_ENABLE();
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break;
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#endif
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#if defined(AFIO_MAPR2_TIM14_REMAP)
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case AFIO_REMAP_TIM14_ENABLE:
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__HAL_AFIO_REMAP_TIM14_ENABLE();
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break;
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#endif
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default:
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break;
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}
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}
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}
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static inline void stm_pin_PullConfig(GPIO_TypeDef *gpio, uint32_t ll_pin, uint32_t pull_config)
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{
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uint32_t function = LL_GPIO_GetPinMode(gpio, ll_pin);
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switch (pull_config) {
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case GPIO_PULLUP:
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if (function == LL_GPIO_MODE_FLOATING) {
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LL_GPIO_SetPinMode(gpio, ll_pin, LL_GPIO_MODE_INPUT);
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}
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LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_UP);
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break;
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case GPIO_PULLDOWN:
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if (function == LL_GPIO_MODE_FLOATING) {
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LL_GPIO_SetPinMode(gpio, ll_pin, LL_GPIO_MODE_INPUT);
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}
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LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_DOWN);
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break;
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default:
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/* Input+NoPull = Floating for F1 family */
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if (function == LL_GPIO_MODE_INPUT) {
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LL_GPIO_SetPinMode(gpio, ll_pin, LL_GPIO_MODE_FLOATING);
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}
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break;
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}
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}
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#endif
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