RIOT-OS/RIOT
RIOT-OS/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2024-12-29 04:50:03 +01:00
Code Releases Activity
6b43b3f587
RIOT/cpu/stm32f1/periph/gpio.c

1150 lines
27 KiB
C
Raw Normal View History

cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
/*
* Copyright (C) 2014 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/
/**
* @ingroup cpu_stm32f1
* @{
*
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
* @file gpio.c
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
* @brief Low-level GPIO driver implementation
*
* @author Hauke Petersen <mail@haukepetersen.de>
* @author Thomas Eichinger <thomas.eichinger@fu-berlin.de>
*
* @}
*/
#include "cpu.h"
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
#include "stm32f10x.h"
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
#include "periph/gpio.h"
#include "periph_conf.h"
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
#include "board.h"
#include "thread.h"
#define ENABLE_DEBUG (0)
#include "debug.h"
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
typedef struct {
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
gpio_cb_t cb; /**< callback called from GPIO interrupt */
void *arg; /**< argument passed to the callback */
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
} gpio_state_t;
static gpio_state_t config[GPIO_NUMOF];
int gpio_init_out(gpio_t dev, gpio_pp_t pullup)
{
GPIO_TypeDef *port;
uint32_t pin;
switch (dev) {
#ifdef GPIO_0_EN
case GPIO_0:
GPIO_0_CLKEN();
port = GPIO_0_PORT;
pin = GPIO_0_PIN;
break;
#endif
#ifdef GPIO_1_EN
case GPIO_1:
GPIO_1_CLKEN();
port = GPIO_1_PORT;
pin = GPIO_1_PIN;
break;
#endif
#ifdef GPIO_2_EN
case GPIO_2:
GPIO_2_CLKEN();
port = GPIO_2_PORT;
pin = GPIO_2_PIN;
break;
#endif
#ifdef GPIO_3_EN
case GPIO_3:
GPIO_3_CLKEN();
port = GPIO_3_PORT;
pin = GPIO_3_PIN;
break;
#endif
#ifdef GPIO_4_EN
case GPIO_4:
GPIO_4_CLKEN();
port = GPIO_4_PORT;
pin = GPIO_4_PIN;
break;
#endif
#ifdef GPIO_5_EN
case GPIO_5:
GPIO_5_CLKEN();
port = GPIO_5_PORT;
pin = GPIO_5_PIN;
break;
#endif
#ifdef GPIO_6_EN
case GPIO_6:
GPIO_6_CLKEN();
port = GPIO_6_PORT;
pin = GPIO_6_PIN;
break;
#endif
#ifdef GPIO_7_EN
case GPIO_7:
GPIO_7_CLKEN();
port = GPIO_7_PORT;
pin = GPIO_7_PIN;
break;
#endif
#ifdef GPIO_8_EN
case GPIO_8:
GPIO_8_CLKEN();
port = GPIO_8_PORT;
pin = GPIO_8_PIN;
break;
#endif
#ifdef GPIO_9_EN
case GPIO_9:
GPIO_9_CLKEN();
port = GPIO_9_PORT;
pin = GPIO_9_PIN;
break;
#endif
#ifdef GPIO_10_EN
case GPIO_10:
GPIO_10_CLKEN();
port = GPIO_10_PORT;
pin = GPIO_10_PIN;
break;
#endif
#ifdef GPIO_11_EN
case GPIO_11:
GPIO_11_CLKEN();
port = GPIO_11_PORT;
pin = GPIO_11_PIN;
break;
#endif
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
#ifdef GPIO_12_EN
case GPIO_12:
GPIO_12_CLKEN();
port = GPIO_12_PORT;
pin = GPIO_12_PIN;
break;
#endif
#ifdef GPIO_13_EN
case GPIO_13:
GPIO_13_CLKEN();
port = GPIO_13_PORT;
pin = GPIO_13_PIN;
break;
#endif
#ifdef GPIO_14_EN
case GPIO_14:
GPIO_14_CLKEN();
port = GPIO_14_PORT;
pin = GPIO_14_PIN;
break;
#endif
#ifdef GPIO_15_EN
case GPIO_15:
GPIO_15_CLKEN();
port = GPIO_15_PORT;
pin = GPIO_15_PIN;
break;
#endif
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
default:
return -1;
}
if (pin < 8) {
port->CRL &= ~(0xf << (4 * pin));
port->CRL |= (0x3 << (4* pin)); /* Output mode, 50 MHz */
/* general purpose push-pull set implicitly */
}
else {
port->CRH &= ~(0xf << (4 * (pin-8)));
port->CRH |= (0x3 << (4* (pin-8))); /* Output mode, 50 MHz */
/* general purpose push-pull set implicitly */
}
return 0; /* all OK */
}
int gpio_init_in(gpio_t dev, gpio_pp_t pullup)
{
GPIO_TypeDef *port;
uint32_t pin;
switch (dev) {
#ifdef GPIO_0_EN
case GPIO_0:
GPIO_0_CLKEN();
port = GPIO_0_PORT;
pin = GPIO_0_PIN;
break;
#endif
#ifdef GPIO_1_EN
case GPIO_1:
GPIO_1_CLKEN();
port = GPIO_1_PORT;
pin = GPIO_1_PIN;
break;
#endif
#ifdef GPIO_2_EN
case GPIO_2:
GPIO_2_CLKEN();
port = GPIO_2_PORT;
pin = GPIO_2_PIN;
break;
#endif
#ifdef GPIO_3_EN
case GPIO_3:
GPIO_3_CLKEN();
port = GPIO_3_PORT;
pin = GPIO_3_PIN;
break;
#endif
#ifdef GPIO_4_EN
case GPIO_4:
GPIO_4_CLKEN();
port = GPIO_4_PORT;
pin = GPIO_4_PIN;
break;
#endif
#ifdef GPIO_5_EN
case GPIO_5:
GPIO_5_CLKEN();
port = GPIO_5_PORT;
pin = GPIO_5_PIN;
break;
#endif
#ifdef GPIO_6_EN
case GPIO_6:
GPIO_6_CLKEN();
port = GPIO_6_PORT;
pin = GPIO_6_PIN;
break;
#endif
#ifdef GPIO_7_EN
case GPIO_7:
GPIO_7_CLKEN();
port = GPIO_7_PORT;
pin = GPIO_7_PIN;
break;
#endif
#ifdef GPIO_8_EN
case GPIO_8:
GPIO_8_CLKEN();
port = GPIO_8_PORT;
pin = GPIO_8_PIN;
break;
#endif
#ifdef GPIO_9_EN
case GPIO_9:
GPIO_9_CLKEN();
port = GPIO_9_PORT;
pin = GPIO_9_PIN;
break;
#endif
#ifdef GPIO_10_EN
case GPIO_10:
GPIO_10_CLKEN();
port = GPIO_10_PORT;
pin = GPIO_10_PIN;
break;
#endif
#ifdef GPIO_11_EN
case GPIO_11:
GPIO_11_CLKEN();
port = GPIO_11_PORT;
pin = GPIO_11_PIN;
break;
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
#endif
#ifdef GPIO_12_EN
case GPIO_12:
GPIO_12_CLKEN();
port = GPIO_12_PORT;
pin = GPIO_12_PIN;
break;
#endif
#ifdef GPIO_13_EN
case GPIO_13:
GPIO_13_CLKEN();
port = GPIO_13_PORT;
pin = GPIO_13_PIN;
break;
#endif
#ifdef GPIO_14_EN
case GPIO_14:
GPIO_14_CLKEN();
port = GPIO_14_PORT;
pin = GPIO_14_PIN;
break;
#endif
#ifdef GPIO_15_EN
case GPIO_15:
GPIO_15_CLKEN();
port = GPIO_15_PORT;
pin = GPIO_15_PIN;
break;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
#endif
default:
return -1;
}
if (pin < 8) {
port->CRL &= ~(0xf << (4 * pin));
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
port->CRL |= (0x4 << (4 * pin));
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
else {
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
port->CRL &= ~(0xf << (4 * pin));
port->CRH |= (0x4 << (4 * (pin-8)));
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
return 0; /* everything alright here */
}
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
int gpio_init_int(gpio_t dev, gpio_pp_t pullup, gpio_flank_t flank, gpio_cb_t cb, void *arg)
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
{
int res;
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
uint8_t exti_line;
uint8_t gpio_irq;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
/* configure pin as input */
res = gpio_init_in(dev, pullup);
if (res < 0) {
return res;
}
/* set interrupt priority (its the same for all EXTI interrupts) */
NVIC_SetPriority(EXTI0_IRQn, GPIO_IRQ_PRIO);
NVIC_SetPriority(EXTI1_IRQn, GPIO_IRQ_PRIO);
NVIC_SetPriority(EXTI2_IRQn, GPIO_IRQ_PRIO);
NVIC_SetPriority(EXTI4_IRQn, GPIO_IRQ_PRIO);
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
RCC->APB2ENR |= RCC_APB2ENR_AFIOEN;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
/* read pin number, set EXTI channel and enable global interrupt for EXTI channel */
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
switch (dev) {
#ifdef GPIO_0_EN
case GPIO_0:
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
exti_line = GPIO_0_EXTI_LINE;
gpio_irq = GPIO_IRQ_0;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
GPIO_0_EXTI_CFG();
NVIC_SetPriority(GPIO_0_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_0_IRQ);
break;
#endif
#ifdef GPIO_1_EN
case GPIO_1:
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
exti_line = GPIO_1_EXTI_LINE;
gpio_irq = GPIO_IRQ_1;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
GPIO_1_EXTI_CFG();
NVIC_SetPriority(GPIO_1_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_1_IRQ);
break;
#endif
#ifdef GPIO_2_EN
case GPIO_2:
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
exti_line = GPIO_2_EXTI_LINE;
gpio_irq = GPIO_IRQ_2;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
GPIO_2_EXTI_CFG();
NVIC_SetPriority(GPIO_2_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_2_IRQ);
break;
#endif
#ifdef GPIO_3_EN
case GPIO_3:
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
exti_line = GPIO_3_EXTI_LINE;
gpio_irq = GPIO_IRQ_3;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
GPIO_3_EXTI_CFG();
NVIC_SetPriority(GPIO_3_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_3_IRQ);
break;
#endif
#ifdef GPIO_4_EN
case GPIO_4:
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
exti_line = GPIO_4_EXTI_LINE;
gpio_irq = GPIO_IRQ_4;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
GPIO_4_EXTI_CFG();
NVIC_SetPriority(GPIO_4_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_4_IRQ);
break;
#endif
#ifdef GPIO_5_EN
case GPIO_5:
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
exti_line = GPIO_5_EXTI_LINE;
gpio_irq = GPIO_IRQ_5;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
GPIO_5_EXTI_CFG();
NVIC_SetPriority(GPIO_5_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_5_IRQ);
break;
#endif
#ifdef GPIO_6_EN
case GPIO_6:
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
exti_line = GPIO_6_EXTI_LINE;
gpio_irq = GPIO_IRQ_6;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
GPIO_6_EXTI_CFG();
NVIC_SetPriority(GPIO_6_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_6_IRQ);
break;
#endif
#ifdef GPIO_7_EN
case GPIO_7:
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
exti_line = GPIO_7_EXTI_LINE;
gpio_irq = GPIO_IRQ_7;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
GPIO_7_EXTI_CFG();
NVIC_SetPriority(GPIO_7_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_7_IRQ);
break;
#endif
#ifdef GPIO_8_EN
case GPIO_8:
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
exti_line = GPIO_8_EXTI_LINE;
gpio_irq = GPIO_IRQ_8;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
GPIO_8_EXTI_CFG();
NVIC_SetPriority(GPIO_8_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_8_IRQ);
break;
#endif
#ifdef GPIO_9_EN
case GPIO_9:
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
exti_line = GPIO_9_EXTI_LINE;
gpio_irq = GPIO_IRQ_9;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
GPIO_9_EXTI_CFG();
NVIC_SetPriority(GPIO_9_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_9_IRQ);
break;
#endif
#ifdef GPIO_10_EN
case GPIO_10:
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
exti_line = GPIO_10_EXTI_LINE;
gpio_irq = GPIO_IRQ_10;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
GPIO_10_EXTI_CFG();
NVIC_SetPriority(GPIO_10_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_10_IRQ);
break;
#endif
#ifdef GPIO_11_EN
case GPIO_11:
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
exti_line = GPIO_11_EXTI_LINE;
gpio_irq = GPIO_IRQ_11;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
GPIO_11_EXTI_CFG();
NVIC_SetPriority(GPIO_11_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_11_IRQ);
break;
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
#endif
#ifdef GPIO_12_EN
case GPIO_12:
exti_line = GPIO_12_EXTI_LINE;
gpio_irq = GPIO_IRQ_12;
GPIO_12_EXTI_CFG();
NVIC_SetPriority(GPIO_12_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_12_IRQ);
break;
#endif
#ifdef GPIO_13_EN
case GPIO_13:
exti_line = GPIO_13_EXTI_LINE;
gpio_irq = GPIO_IRQ_13;
GPIO_13_EXTI_CFG();
NVIC_SetPriority(GPIO_13_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_13_IRQ);
break;
#endif
#ifdef GPIO_14_EN
case GPIO_14:
exti_line = GPIO_14_EXTI_LINE;
gpio_irq = GPIO_IRQ_14;
GPIO_14_EXTI_CFG();
NVIC_SetPriority(GPIO_14_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_14_IRQ);
break;
#endif
#ifdef GPIO_15_EN
case GPIO_15:
exti_line = GPIO_15_EXTI_LINE;
gpio_irq = GPIO_IRQ_15;
GPIO_15_EXTI_CFG();
NVIC_SetPriority(GPIO_15_IRQ, GPIO_IRQ_PRIO);
NVIC_EnableIRQ(GPIO_15_IRQ);
break;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
#endif
default:
return -1;
}
/* set callback */
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
config[gpio_irq].cb = cb;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
/* configure the event that triggers an interrupt */
switch (flank) {
case GPIO_RISING:
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
EXTI->RTSR |= (1 << exti_line);
EXTI->FTSR &= ~(1 << exti_line);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
break;
case GPIO_FALLING:
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
EXTI->RTSR &= ~(1 << exti_line);
EXTI->FTSR |= (1 << exti_line);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
break;
case GPIO_BOTH:
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
EXTI->RTSR |= (1 << exti_line);
EXTI->FTSR |= (1 << exti_line);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
break;
}
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
/* clear event mask */
EXTI->EMR &= ~(1 << exti_line);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
/* unmask the pins interrupt channel */
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
EXTI->IMR |= (1 << exti_line);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
return 0;
}
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
void gpio_irq_enable(gpio_t dev)
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
{
uint8_t exti_line;
switch(dev) {
#ifdef GPIO_0_EN
case GPIO_0:
exti_line = GPIO_0_EXTI_LINE;
break;
#endif
#ifdef GPIO_1_EN
case GPIO_1:
exti_line = GPIO_1_EXTI_LINE;
break;
#endif
#ifdef GPIO_2_EN
case GPIO_2:
exti_line = GPIO_2_EXTI_LINE;
break;
#endif
#ifdef GPIO_3_EN
case GPIO_3:
exti_line = GPIO_3_EXTI_LINE;
break;
#endif
#ifdef GPIO_4_EN
case GPIO_4:
exti_line = GPIO_4_EXTI_LINE;
break;
#endif
#ifdef GPIO_5_EN
case GPIO_5:
exti_line = GPIO_5_EXTI_LINE;
break;
#endif
#ifdef GPIO_6_EN
case GPIO_6:
exti_line = GPIO_6_EXTI_LINE;
break;
#endif
#ifdef GPIO_7_EN
case GPIO_7:
exti_line = GPIO_7_EXTI_LINE;
break;
#endif
#ifdef GPIO_8_EN
case GPIO_8:
exti_line = GPIO_8_EXTI_LINE;
break;
#endif
#ifdef GPIO_9_EN
case GPIO_9:
exti_line = GPIO_9_EXTI_LINE;
break;
#endif
#ifdef GPIO_10_EN
case GPIO_10:
exti_line = GPIO_10_EXTI_LINE;
break;
#endif
#ifdef GPIO_11_EN
case GPIO_11:
exti_line = GPIO_11_EXTI_LINE;
break;
#endif
#ifdef GPIO_12_EN
case GPIO_12:
exti_line = GPIO_12_EXTI_LINE;
break;
#endif
#ifdef GPIO_13_EN
case GPIO_13:
exti_line = GPIO_13_EXTI_LINE;
break;
#endif
#ifdef GPIO_14_EN
case GPIO_14:
exti_line = GPIO_14_EXTI_LINE;
break;
#endif
#ifdef GPIO_15_EN
case GPIO_15:
exti_line = GPIO_15_EXTI_LINE;
break;
#endif
}
/* save state */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
// int state = (EXTI->IMR & (1 << exti_line) >> exti_line);
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
/* unmask the pins interrupt channel */
EXTI->IMR |= (1 << exti_line);
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
return;
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
}
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
void gpio_irq_disable(gpio_t dev)
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
{
uint8_t exti_line;
switch(dev) {
#ifdef GPIO_0_EN
case GPIO_0:
exti_line = GPIO_0_EXTI_LINE;
break;
#endif
#ifdef GPIO_1_EN
case GPIO_1:
exti_line = GPIO_1_EXTI_LINE;
break;
#endif
#ifdef GPIO_2_EN
case GPIO_2:
exti_line = GPIO_2_EXTI_LINE;
break;
#endif
#ifdef GPIO_3_EN
case GPIO_3:
exti_line = GPIO_3_EXTI_LINE;
break;
#endif
#ifdef GPIO_4_EN
case GPIO_4:
exti_line = GPIO_4_EXTI_LINE;
break;
#endif
#ifdef GPIO_5_EN
case GPIO_5:
exti_line = GPIO_5_EXTI_LINE;
break;
#endif
#ifdef GPIO_6_EN
case GPIO_6:
exti_line = GPIO_6_EXTI_LINE;
break;
#endif
#ifdef GPIO_7_EN
case GPIO_7:
exti_line = GPIO_7_EXTI_LINE;
break;
#endif
#ifdef GPIO_8_EN
case GPIO_8:
exti_line = GPIO_8_EXTI_LINE;
break;
#endif
#ifdef GPIO_9_EN
case GPIO_9:
exti_line = GPIO_9_EXTI_LINE;
break;
#endif
#ifdef GPIO_10_EN
case GPIO_10:
exti_line = GPIO_10_EXTI_LINE;
break;
#endif
#ifdef GPIO_11_EN
case GPIO_11:
exti_line = GPIO_11_EXTI_LINE;
break;
#endif
#ifdef GPIO_12_EN
case GPIO_12:
exti_line = GPIO_12_EXTI_LINE;
break;
#endif
#ifdef GPIO_13_EN
case GPIO_13:
exti_line = GPIO_13_EXTI_LINE;
break;
#endif
#ifdef GPIO_14_EN
case GPIO_14:
exti_line = GPIO_14_EXTI_LINE;
break;
#endif
#ifdef GPIO_15_EN
case GPIO_15:
exti_line = GPIO_15_EXTI_LINE;
break;
#endif
}
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
// /* save state */
// int state = ((EXTI->IMR & (1 << exti_line)) >> exti_line);
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
/* unmask the pins interrupt channel */
EXTI->IMR &= ~(1 << exti_line);
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
return;
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
}
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
int gpio_read(gpio_t dev)
{
GPIO_TypeDef *port;
uint32_t pin;
switch (dev) {
#ifdef GPIO_0_EN
case GPIO_0:
port = GPIO_0_PORT;
pin = GPIO_0_PIN;
break;
#endif
#ifdef GPIO_1_EN
case GPIO_1:
port = GPIO_1_PORT;
pin = GPIO_1_PIN;
break;
#endif
#ifdef GPIO_2_EN
case GPIO_2:
port = GPIO_2_PORT;
pin = GPIO_2_PIN;
break;
#endif
#ifdef GPIO_3_EN
case GPIO_3:
port = GPIO_3_PORT;
pin = GPIO_3_PIN;
break;
#endif
#ifdef GPIO_4_EN
case GPIO_4:
port = GPIO_4_PORT;
pin = GPIO_4_PIN;
break;
#endif
#ifdef GPIO_5_EN
case GPIO_5:
port = GPIO_5_PORT;
pin = GPIO_5_PIN;
break;
#endif
#ifdef GPIO_6_EN
case GPIO_6:
port = GPIO_6_PORT;
pin = GPIO_6_PIN;
break;
#endif
#ifdef GPIO_7_EN
case GPIO_7:
port = GPIO_7_PORT;
pin = GPIO_7_PIN;
break;
#endif
#ifdef GPIO_8_EN
case GPIO_8:
port = GPIO_8_PORT;
pin = GPIO_8_PIN;
break;
#endif
#ifdef GPIO_9_EN
case GPIO_9:
port = GPIO_9_PORT;
pin = GPIO_9_PIN;
break;
#endif
#ifdef GPIO_10_EN
case GPIO_10:
port = GPIO_10_PORT;
pin = GPIO_10_PIN;
break;
#endif
#ifdef GPIO_11_EN
case GPIO_11:
port = GPIO_11_PORT;
pin = GPIO_11_PIN;
break;
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
#endif
#ifdef GPIO_12_EN
case GPIO_12:
port = GPIO_12_PORT;
pin = GPIO_12_PIN;
break;
#endif
#ifdef GPIO_13_EN
case GPIO_13:
port = GPIO_13_PORT;
pin = GPIO_13_PIN;
break;
#endif
#ifdef GPIO_14_EN
case GPIO_14:
port = GPIO_14_PORT;
pin = GPIO_14_PIN;
break;
#endif
#ifdef GPIO_15_EN
case GPIO_15:
port = GPIO_15_PORT;
pin = GPIO_15_PIN;
break;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
#endif
default:
return -1;
}
if (pin < 8) {
if (port->CRL & (0x3 << (pin * 4))) { /* if configured as output */
return port->ODR & (1 << pin); /* read output data register */
} else {
return port->IDR & (1 << pin); /* else read input data register */
}
}
else {
if (port->CRH & (0x3 << ((pin-8) * 4))) { /* if configured as output */
return port->ODR & (1 << pin); /* read output data register */
} else {
return port->IDR & (1 << pin); /* else read input data register */
}
}
}
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
void gpio_set(gpio_t dev)
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
{
switch (dev) {
#ifdef GPIO_0_EN
case GPIO_0:
GPIO_0_PORT->ODR |= (1 << GPIO_0_PIN);
break;
#endif
#ifdef GPIO_1_EN
case GPIO_1:
GPIO_1_PORT->ODR |= (1 << GPIO_1_PIN);
break;
#endif
#ifdef GPIO_2_EN
case GPIO_2:
GPIO_2_PORT->ODR |= (1 << GPIO_2_PIN);
break;
#endif
#ifdef GPIO_3_EN
case GPIO_3:
GPIO_3_PORT->ODR |= (1 << GPIO_3_PIN);
break;
#endif
#ifdef GPIO_4_EN
case GPIO_4:
GPIO_4_PORT->ODR |= (1 << GPIO_4_PIN);
break;
#endif
#ifdef GPIO_5_EN
case GPIO_5:
GPIO_5_PORT->ODR |= (1 << GPIO_5_PIN);
break;
#endif
#ifdef GPIO_6_EN
case GPIO_6:
GPIO_6_PORT->ODR |= (1 << GPIO_6_PIN);
break;
#endif
#ifdef GPIO_7_EN
case GPIO_7:
GPIO_7_PORT->ODR |= (1 << GPIO_7_PIN);
break;
#endif
#ifdef GPIO_8_EN
case GPIO_8:
GPIO_8_PORT->ODR |= (1 << GPIO_8_PIN);
break;
#endif
#ifdef GPIO_9_EN
case GPIO_9:
GPIO_9_PORT->ODR |= (1 << GPIO_9_PIN);
break;
#endif
#ifdef GPIO_10_EN
case GPIO_10:
GPIO_10_PORT->ODR |= (1 << GPIO_10_PIN);
break;
#endif
#ifdef GPIO_11_EN
case GPIO_11:
GPIO_11_PORT->ODR |= (1 << GPIO_11_PIN);
break;
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
#endif
#ifdef GPIO_12_EN
case GPIO_12:
GPIO_12_PORT->ODR |= (1 << GPIO_12_PIN);
break;
#endif
#ifdef GPIO_13_EN
case GPIO_13:
GPIO_13_PORT->ODR |= (1 << GPIO_13_PIN);
break;
#endif
#ifdef GPIO_14_EN
case GPIO_14:
GPIO_14_PORT->ODR |= (1 << GPIO_14_PIN);
break;
#endif
#ifdef GPIO_15_EN
case GPIO_15:
GPIO_15_PORT->ODR |= (1 << GPIO_15_PIN);
break;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
#endif
}
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
return;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
void gpio_clear(gpio_t dev)
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
{
switch (dev) {
#ifdef GPIO_0_EN
case GPIO_0:
GPIO_0_PORT->ODR &= ~(1 << GPIO_0_PIN);
break;
#endif
#ifdef GPIO_1_EN
case GPIO_1:
GPIO_1_PORT->ODR &= ~(1 << GPIO_1_PIN);
break;
#endif
#ifdef GPIO_2_EN
case GPIO_2:
GPIO_2_PORT->ODR &= ~(1 << GPIO_2_PIN);
break;
#endif
#ifdef GPIO_3_EN
case GPIO_3:
GPIO_3_PORT->ODR &= ~(1 << GPIO_3_PIN);
break;
#endif
#ifdef GPIO_4_EN
case GPIO_4:
GPIO_4_PORT->ODR &= ~(1 << GPIO_4_PIN);
break;
#endif
#ifdef GPIO_5_EN
case GPIO_5:
GPIO_5_PORT->ODR &= ~(1 << GPIO_5_PIN);
break;
#endif
#ifdef GPIO_6_EN
case GPIO_6:
GPIO_6_PORT->ODR &= ~(1 << GPIO_6_PIN);
break;
#endif
#ifdef GPIO_7_EN
case GPIO_7:
GPIO_7_PORT->ODR &= ~(1 << GPIO_7_PIN);
break;
#endif
#ifdef GPIO_8_EN
case GPIO_8:
GPIO_8_PORT->ODR &= ~(1 << GPIO_8_PIN);
break;
#endif
#ifdef GPIO_9_EN
case GPIO_9:
GPIO_9_PORT->ODR &= ~(1 << GPIO_9_PIN);
break;
#endif
#ifdef GPIO_10_EN
case GPIO_10:
GPIO_10_PORT->ODR &= ~(1 << GPIO_10_PIN);
break;
#endif
#ifdef GPIO_11_EN
case GPIO_11:
GPIO_11_PORT->ODR &= ~(1 << GPIO_11_PIN);
break;
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
#endif
#ifdef GPIO_12_EN
case GPIO_12:
GPIO_12_PORT->ODR &= ~(1 << GPIO_12_PIN);
break;
#endif
#ifdef GPIO_13_EN
case GPIO_13:
GPIO_13_PORT->ODR &= ~(1 << GPIO_13_PIN);
break;
#endif
#ifdef GPIO_14_EN
case GPIO_14:
GPIO_14_PORT->ODR &= ~(1 << GPIO_14_PIN);
break;
#endif
#ifdef GPIO_15_EN
case GPIO_15:
GPIO_15_PORT->ODR &= ~(1 << GPIO_15_PIN);
break;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
#endif
}
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
return;
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
void gpio_toggle(gpio_t dev)
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
{
if (gpio_read(dev)) {
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
gpio_clear(dev);
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
}
else {
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
gpio_set(dev);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
}
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
void gpio_write(gpio_t dev, int value)
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
{
if (value) {
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
gpio_set(dev);
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
}
else {
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
gpio_clear(dev);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
}
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
__attribute__((naked)) void isr_exti0(void)
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
{
ISR_ENTER();
if (EXTI->PR & EXTI_PR_PR0) {
EXTI->PR |= EXTI_PR_PR0; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_0].cb(config[GPIO_0].arg);
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
}
if (sched_context_switch_request) {
thread_yield();
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
ISR_EXIT();
}
__attribute__((naked)) void isr_exti1(void)
{
ISR_ENTER();
if (EXTI->PR & EXTI_PR_PR1) {
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
EXTI->PR |= EXTI_PR_PR1; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_1].cb(config[GPIO_1].arg);
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
}
if (sched_context_switch_request) {
thread_yield();
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
ISR_EXIT();
}
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
__attribute__((naked)) void isr_exti2(void)
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
{
ISR_ENTER();
if (EXTI->PR & EXTI_PR_PR2) {
EXTI->PR |= EXTI_PR_PR2; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_2].cb(config[GPIO_2].arg);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
if (sched_context_switch_request) {
thread_yield();
}
ISR_EXIT();
}
__attribute__((naked)) void isr_exti3(void)
{
ISR_ENTER();
if (EXTI->PR & EXTI_PR_PR3) {
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
EXTI->PR |= EXTI_PR_PR3; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_3].cb(config[GPIO_3].arg);
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
}
if (sched_context_switch_request) {
thread_yield();
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
ISR_EXIT();
}
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
__attribute__((naked)) void isr_exti4(void)
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
{
ISR_ENTER();
if (EXTI->PR & EXTI_PR_PR4) {
EXTI->PR |= EXTI_PR_PR4; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_4].cb(config[GPIO_4].arg);
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
}
if (sched_context_switch_request) {
thread_yield();
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
ISR_EXIT();
}
__attribute__((naked)) void isr_exti9_5(void)
{
ISR_ENTER();
if (EXTI->PR & EXTI_PR_PR5) {
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
EXTI->PR |= EXTI_PR_PR5; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_5].cb(config[GPIO_5].arg);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
else if (EXTI->PR & EXTI_PR_PR6) {
EXTI->PR |= EXTI_PR_PR6; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_6].cb(config[GPIO_6].arg);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
else if (EXTI->PR & EXTI_PR_PR7) {
EXTI->PR |= EXTI_PR_PR7; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_7].cb(config[GPIO_7].arg);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
else if (EXTI->PR & EXTI_PR_PR8) {
EXTI->PR |= EXTI_PR_PR8; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_8].cb(config[GPIO_8].arg);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
else if (EXTI->PR & EXTI_PR_PR9) {
EXTI->PR |= EXTI_PR_PR9; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_9].cb(config[GPIO_9].arg);
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
}
if (sched_context_switch_request) {
thread_yield();
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
ISR_EXIT();
}
__attribute__((naked)) void isr_exti15_10(void)
{
ISR_ENTER();
if (EXTI->PR & EXTI_PR_PR10) {
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
EXTI->PR |= EXTI_PR_PR10; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_10].cb(config[GPIO_10].arg);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
else if (EXTI->PR & EXTI_PR_PR11) {
EXTI->PR |= EXTI_PR_PR11; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_11].cb(config[GPIO_11].arg);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
else if (EXTI->PR & EXTI_PR_PR12) {
EXTI->PR |= EXTI_PR_PR12; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_12].cb(config[GPIO_12].arg);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
else if (EXTI->PR & EXTI_PR_PR13) {
EXTI->PR |= EXTI_PR_PR13; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_13].cb(config[GPIO_13].arg);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
else if (EXTI->PR & EXTI_PR_PR14) {
EXTI->PR |= EXTI_PR_PR14; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_14].cb(config[GPIO_14].arg);
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
else if (EXTI->PR & EXTI_PR_PR15) {
EXTI->PR |= EXTI_PR_PR15; /* clear status bit by writing a 1 to it */
iot-lab_M3: refactor at86rf231 driver
2014-07-24 20:08:58 +02:00
config[GPIO_15].cb(config[GPIO_15].arg);
boards: initial import of iot-lab_M3
2014-07-03 10:36:46 +02:00
}
if (sched_context_switch_request) {
thread_yield();
cpu: initial import of stm32f1
2014-06-11 14:59:24 +02:00
}
ISR_EXIT();
}
Copy Permalink