No Ports reduced to 1

Licensing headers replaced with mbed Apache.
SPI/SPIS pin configuration is done via PIN_CNF
pull/159/head
tkuyucu 2014-02-07 10:28:34 +01:00
parent 5038233192
commit 9b701f6a49
10 changed files with 210 additions and 184 deletions

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@ -1,15 +1,14 @@
; Copyright (c) 2009 Nordic Semiconductor. All Rights Reserved.
;
; The information contained herein is property of Nordic Semiconductor ASA.
; Terms and conditions of usage are described in detail in NORDIC
; SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
;
; Licensees are granted free, non-transferable use of the information. NO
; WARRANTY of ANY KIND is provided. This heading must NOT be removed from
; the file.
; NOTE: Template files (including this one) are application specific and therefore
; expected to be copied into the application project folder prior to its use!
; mbed Microcontroller Library
; Copyright (c) 2006-2013 ARM Limited
;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.
; Description message

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@ -1,28 +1,19 @@
/* mbed Microcontroller Library
/****************************************************************************************************//**
* @file nRF51.h
* Copyright (c) 2006-2013 ARM Limited
*
* @brief CMSIS Cortex-M0 Peripheral Access Layer Header File for
* nRF51 from Nordic Semiconductor.
* 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
*
* @version V2.4C
* @date 31. October 2013
* http://www.apache.org/licenses/LICENSE-2.0
*
* @note Generated with SVDConv V2.77p
* from CMSIS SVD File 'nRF51.xml' Version 2.4C,
*
* @par Copyright (c) 2009 Nordic Semiconductor. All Rights Reserved.
*
* The information contained herein is property of Nordic Semiconductor ASA.
* Terms and conditions of usage are described in detail in NORDIC
* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
*
* Licensees are granted free, non-transferable use of the information. NO
* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
* the file.
*
*
*******************************************************************************************************/
* 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.
*/

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@ -1,13 +1,18 @@
/* Copyright (c) 2009 Nordic Semiconductor. All Rights Reserved.
/* mbed Microcontroller Library
* Copyright (c) 2006-2013 ARM Limited
*
* The information contained herein is property of Nordic Semiconductor ASA.
* Terms and conditions of usage are described in detail in NORDIC
* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
* 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
*
* Licensees are granted free, non-transferable use of the information. NO
* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
* the file.
* 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.
*/

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@ -1,13 +1,18 @@
/* Copyright (c) 2009 Nordic Semiconductor. All Rights Reserved.
/* mbed Microcontroller Library
* Copyright (c) 2006-2013 ARM Limited
*
* The information contained herein is property of Nordic Semiconductor ASA.
* Terms and conditions of usage are described in detail in NORDIC
* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
* 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
*
* Licensees are granted free, non-transferable use of the information. NO
* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
* the file.
* 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.
*/
@ -88,8 +93,7 @@ void SystemInit(void)
NRF_CLOCK->TASKS_HFCLKSTART = 1;
// Wait for the external oscillator to start up.
while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0)
{
while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0) {
// Do nothing.
}
}

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@ -1,13 +1,18 @@
/* Copyright (c) 2009 Nordic Semiconductor. All Rights Reserved.
/* mbed Microcontroller Library
* Copyright (c) 2006-2013 ARM Limited
*
* The information contained herein is property of Nordic Semiconductor ASA.
* Terms and conditions of usage are described in detail in NORDIC
* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
* 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
*
* Licensees are granted free, non-transferable use of the information. NO
* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
* the file.
* 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.
*/
@ -34,16 +39,6 @@ extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
*/
extern void SystemInit (void);
/**
* Enable Soft Device
*
* @param none
* @return none
*
* @brief Initializes softdevice with NRF_CLOCK_LFCLKSRC_XTAL_20_PPM
*/
extern void EnableSoftDevice (void);
/**
* Update SystemCoreClock variable

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@ -30,92 +30,88 @@ typedef enum {
#define PORT_SHIFT 3
typedef enum {
p0=0,
p1=1,
p2=2,
p3=3,
p4=4,
p5=5,
p6=6,
p7=7,
p8=8,
p9=9,
p10=10,
p11=11,
p12=12,
p13=13,
p14=14,
p15=15,
p16=16,
p17=17,
p18=18,
p19=19,
p20=20,
p21=21,
p22=22,
p23=23,
p24=24,
p25=25,
p26=26,
p27=27,
p28=28,
p29=29,
p30=30,
p0 = 0,
p1 = 1,
p2 = 2,
p3 = 3,
p4 = 4,
p5 = 5,
p6 = 6,
p7 = 7,
p8 = 8,
p9 = 9,
p10 = 10,
p11 = 11,
p12 = 12,
p13 = 13,
p14 = 14,
p15 = 15,
p16 = 16,
p17 = 17,
p18 = 18,
p19 = 19,
p20 = 20,
p21 = 21,
p22 = 22,
p23 = 23,
p24 = 24,
p25 = 25,
p26 = 26,
p27 = 27,
p28 = 28,
p29 = 29,
p30 = 30,
// p31=31,
P0_0 = p0,
P0_1 = p1,
P0_2 = p2,
P0_3 = p3,
P0_4 = p4,
P0_5 = p5,
P0_6 = p6,
P0_7 = p7,
P0_0 = p0,
P0_1 = p1,
P0_2 = p2,
P0_3 = p3,
P0_4 = p4,
P0_5 = p5,
P0_6 = p6,
P0_7 = p7,
P1_0 = p8,
P1_1 = p9,
P1_2 = p10,
P1_3 = p11,
P1_4 = p12,
P1_5 = p13,
P1_6 = p14,
P1_7 = p15,
P0_8 = p8,
P0_9 = p9,
P0_10 = p10,
P0_11 = p11,
P0_12 = p12,
P0_13 = p13,
P0_14 = p14,
P0_15 = p15,
P2_0 = p16,
P2_1 = p17,
P2_2 = p18,
P2_3 = p19,
P2_4 = p20,
P2_5 = p21,
P2_6 = p22,
P2_7 = p23,
P0_16 = p16,
P0_17 = p17,
P0_18 = p18,
P0_19 = p19,
P0_20 = p20,
P0_21 = p21,
P0_22 = p22,
P0_23 = p23,
P3_0 = p24,
P3_1 = p25,
P3_2 = p26,
P3_3 = p27,
P3_4 = p28,
P3_5 = p29,
P3_6 = p30,
//P3_7 = p31,
P0_24 = p24,
P0_25 = p25,
P0_26 = p26,
P0_27 = p27,
P0_28 = p28,
P0_29 = p29,
P0_30 = p30,
LED_START = p18,
LED_STOP = p19,
LED1 = LED_START,
LED2 = LED_STOP,
LED3 = LED_START,
LED4 = LED_STOP,
LED1 = p18,
LED2 = p19,
LED3 = p18,
LED4 = p19,
BUTTON_START = p16,
BUTTON_STOP = p17,
BUTTON0 = BUTTON_START,
BUTTON1 = BUTTON_STOP,
// USB Pins
BUTTON0 = p16,
BUTTON1 = p17,
RX_PIN_NUMBER = p11,
TX_PIN_NUMBER = p9,
CTS_PIN_NUMBER = p10,
RTS_PIN_NUMBER = p8,
// mBed interface Pins
USBTX = TX_PIN_NUMBER,
USBRX = RX_PIN_NUMBER,
@ -133,7 +129,12 @@ typedef enum {
SPIS_PSELMISO = p13,
SPIS_PSELSS = p14,
SPIS_PSELSCK = p15,
I2C_SDA0 = p22,
I2C_SCL0 = p20,
I2C_SDA1 = p13,
I2C_SCL1 = p15,
// Not connected
NC = (int)0xFFFFFFFF
} PinName;
@ -141,7 +142,7 @@ typedef enum {
typedef enum {
PullNone = 0,
PullDown = 1,
PullUp = 3,
PullUp = 3
} PinMode;
#ifdef __cplusplus

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@ -21,10 +21,7 @@ extern "C" {
#endif
typedef enum {
Port0 = 0, //GPIO pins 0-7
Port1 = 1, //GPIO pins 8-15
Port2 = 2, //GPIO pins 16-22
Port3 = 3, //GPIO pins 24-31
Port0 = 0 //GPIO pins 0-31
} PortName;
#ifdef __cplusplus

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@ -20,7 +20,7 @@ void gpio_init(gpio_t *obj, PinName pin, PinDirection direction) {
if(pin == NC) return;
obj->pin = pin;
obj->mask = (1<<pin);
obj->mask = (1ul<<pin);
obj->reg_set = &NRF_GPIO->OUTSET;
obj->reg_clr = &NRF_GPIO->OUTCLR;

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@ -18,7 +18,7 @@
#include "gpio_api.h"
PinName port_pin(PortName port, int pin_n) {
return (PinName)( (port << PORT_SHIFT) | pin_n);
return (PinName)(pin_n);
}
void port_init(port_t *obj, PortName port, int mask, PinDirection dir) {
@ -35,7 +35,7 @@ void port_init(port_t *obj, PortName port, int mask, PinDirection dir) {
void port_mode(port_t *obj, PinMode mode) {
uint32_t i;
// The mode is set per pin: reuse pinmap logic
for (i=0; i<8; i++) {
for (i=0; i<31; i++) {
if (obj->mask & (1<<i)) {
pin_mode(port_pin(obj->port, i), mode);
}
@ -46,23 +46,23 @@ void port_dir(port_t *obj, PinDirection dir) {
int i;
switch (dir) {
case PIN_INPUT :
for (i=0; i<8; i++) {
for (i=0; i<31; i++) {
if (obj->mask & (1<<i)) {
obj->reg_cnf[port_pin(obj->port, i)] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
| (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
| (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
| (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
obj->reg_cnf[i] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
| (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
| (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
| (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
}
}
break;
case PIN_OUTPUT:
for (i=0; i<8; i++) {
for (i=0; i<31; i++) {
if (obj->mask & (1<<i)) {
obj->reg_cnf[port_pin(obj->port, i)] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
| (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
| (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
| (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
| (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
obj->reg_cnf[i] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
| (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
| (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
| (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
| (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
}
}
break;
@ -70,9 +70,9 @@ void port_dir(port_t *obj, PinDirection dir) {
}
void port_write(port_t *obj, int value) {
*((volatile uint8_t*)(obj->reg_out)+(uint8_t)obj->port) = value;
*obj->reg_out = value;
}
int port_read(port_t *obj) {
return (*((const volatile uint8_t*)(obj->reg_in) + obj->port));
return (*obj->reg_in);
}

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@ -74,12 +74,30 @@ void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel
}
// pin out the spi pins
if (ssel != NC) {//slave
obj->spis->POWER=0;
obj->spis->POWER=1;
NRF_GPIO->DIR &= ~(1<<mosi);
NRF_GPIO->DIR &= ~(1<<miso);
NRF_GPIO->DIR &= ~(1<<sclk);
NRF_GPIO->DIR &= ~(1<<ssel);
NRF_GPIO->PIN_CNF[mosi] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
| (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
| (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
| (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
| (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
NRF_GPIO->PIN_CNF[miso] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
| (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
| (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
| (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
| (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
NRF_GPIO->PIN_CNF[sclk] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
| (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
| (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
| (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
| (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
NRF_GPIO->PIN_CNF[ssel] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
| (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
| (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
| (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
| (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
obj->spis->PSELMOSI = mosi;
obj->spis->PSELMISO = miso;
obj->spis->PSELSCK = sclk;
@ -92,27 +110,43 @@ void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel
obj->spis->TXDPTR = (uint32_t)&m_tx_buf[0];
obj->spis->RXDPTR = (uint32_t)&m_rx_buf[0];
obj->spis->SHORTS = (SPIS_SHORTS_END_ACQUIRE_Enabled<<SPIS_SHORTS_END_ACQUIRE_Pos);
spi_format(obj, 8, 0, 1); // 8 bits, mode 0, slave
}
else{//master
obj->spi->POWER=0;
obj->spi->POWER=1;
NRF_GPIO->DIR |= (1<<mosi);
obj->spi->PSELMOSI = mosi;
NRF_GPIO->DIR |= (1<<sclk);
obj->spi->PSELSCK = sclk;
NRF_GPIO->DIR &= ~(1<<miso);
obj->spi->PSELMISO = miso;
obj->spi->EVENTS_READY = 0U;
}
// set default format and frequency
if (ssel == NC) {
spi_format(obj, 8, 0, 0); // 8 bits, mode 0, master
spi_frequency(obj, 1000000);
} else {
spi_format(obj, 8, 0, 1); // 8 bits, mode 0, slave
}
//NRF_GPIO->DIR |= (1<<mosi);
NRF_GPIO->PIN_CNF[mosi] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
| (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
| (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
| (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
| (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
obj->spi->PSELMOSI = mosi;
NRF_GPIO->PIN_CNF[sclk] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
| (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
| (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
| (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
| (GPIO_PIN_CNF_DIR_Output << GPIO_PIN_CNF_DIR_Pos);
obj->spi->PSELSCK = sclk;
//NRF_GPIO->DIR &= ~(1<<miso);
NRF_GPIO->PIN_CNF[miso] = (GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos)
| (GPIO_PIN_CNF_DRIVE_S0S1 << GPIO_PIN_CNF_DRIVE_Pos)
| (GPIO_PIN_CNF_PULL_Disabled << GPIO_PIN_CNF_PULL_Pos)
| (GPIO_PIN_CNF_INPUT_Connect << GPIO_PIN_CNF_INPUT_Pos)
| (GPIO_PIN_CNF_DIR_Input << GPIO_PIN_CNF_DIR_Pos);
obj->spi->PSELMISO = miso;
obj->spi->EVENTS_READY = 0U;
spi_format(obj, 8, 0, 0); // 8 bits, mode 0, master
spi_frequency(obj, 1000000);
}
}
void spi_free(spi_t *obj) {}