paolo della vedova / Mbed 2 deprecated interrupt_test_stm32_nucle

interrupt test EXTI stm32 nucleo

Dependencies:   mbed

main.cpp@2:70bfc841a60f, 2015-10-27 (annotated)

Committer:
c128
Date:
Tue Oct 27 04:47:07 2015 +0000
Revision:
2:70bfc841a60f
Parent:
1:d049e15030ca 
x

Who changed what in which revision?

UserRevisionLine numberNew contents of line
c128 0:c5e2a50f0d5d 1 #include "mbed.h"
c128 2:70bfc841a60f 2 #include "stm32f4xx_hal.h"
c128 0:c5e2a50f0d5d 3 #include "stm32f4xx.h"
c128 2:70bfc841a60f 4 #include "stm32f4xx_hal_gpio.h"
c128 2:70bfc841a60f 5
c128 2:70bfc841a60f 6
c128 2:70bfc841a60f 7 static GPIO_InitTypeDef GPIO_InitStruct;
c128 2:70bfc841a60f 8
c128 2:70bfc841a60f 9 int16_t count1 = 1000;
c128 2:70bfc841a60f 10
c128 0:c5e2a50f0d5d 11 void EXTI0_IRQHandler(void)
c128 0:c5e2a50f0d5d 12 {
c128 2:70bfc841a60f 13 HAL_NVIC_ClearPendingIRQ(EXTI0_IRQn);
c128 2:70bfc841a60f 14 HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_0);
c128 2:70bfc841a60f 15 {
c128 2:70bfc841a60f 16 /* EXTI line interrupt detected */
c128 2:70bfc841a60f 17 if(__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_0) != RESET)
c128 2:70bfc841a60f 18 {
c128 2:70bfc841a60f 19 __HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_0);
c128 2:70bfc841a60f 20 HAL_GPIO_EXTI_Callback(GPIO_PIN_0);
c128 2:70bfc841a60f 21 }
c128 0:c5e2a50f0d5d 22 }
c128 2:70bfc841a60f 23 }
c128 2:70bfc841a60f 24
c128 0:c5e2a50f0d5d 25 void HAL_GPIO_EXTI_Callback (uint16_t GPIO_Pin)
c128 0:c5e2a50f0d5d 26 {
c128 0:c5e2a50f0d5d 27 if (GPIO_Pin == GPIO_PIN_0) {
c128 2:70bfc841a60f 28 count1 = 100;
c128 0:c5e2a50f0d5d 29 }
c128 0:c5e2a50f0d5d 30 }
c128 1:d049e15030ca 31
c128 0:c5e2a50f0d5d 32 int main()
c128 0:c5e2a50f0d5d 33 {
c128 0:c5e2a50f0d5d 34 HAL_Init();
c128 1:d049e15030ca 35
c128 2:70bfc841a60f 36 __HAL_RCC_GPIOA_CLK_ENABLE();
c128 0:c5e2a50f0d5d 37 GPIO_InitStruct.Pin = GPIO_PIN_0; //PA0 as interrupt test
c128 0:c5e2a50f0d5d 38 GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
c128 2:70bfc841a60f 39 GPIO_InitStruct.Pull = GPIO_NOPULL;
c128 0:c5e2a50f0d5d 40 GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
c128 0:c5e2a50f0d5d 41 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
c128 2:70bfc841a60f 42 HAL_NVIC_SetPriority(EXTI0_IRQn, 3, 0);
c128 0:c5e2a50f0d5d 43 HAL_NVIC_EnableIRQ(EXTI0_IRQn);
c128 1:d049e15030ca 44
c128 2:70bfc841a60f 45 /* -2- Configure PA05 IO in output push-pull mode to
c128 2:70bfc841a60f 46 drive external LED */
c128 2:70bfc841a60f 47 GPIO_InitStruct.Pin = GPIO_PIN_5;
c128 2:70bfc841a60f 48 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
c128 2:70bfc841a60f 49 GPIO_InitStruct.Pull = GPIO_PULLUP;
c128 2:70bfc841a60f 50 GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
c128 2:70bfc841a60f 51 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
c128 2:70bfc841a60f 52
c128 0:c5e2a50f0d5d 53 while (1) {
c128 2:70bfc841a60f 54 HAL_NVIC_DisableIRQ(EXTI0_IRQn);
c128 2:70bfc841a60f 55 HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_5);
c128 2:70bfc841a60f 56
c128 2:70bfc841a60f 57 /* Insert delay 100 ms */
c128 2:70bfc841a60f 58 HAL_Delay(count1);
c128 2:70bfc841a60f 59 HAL_NVIC_EnableIRQ(EXTI0_IRQn);
c128 1:d049e15030ca 60
c128 0:c5e2a50f0d5d 61 }
c128 1:d049e15030ca 62
c128 1:d049e15030ca 63 }
c128 2:70bfc841a60f 64
c128 2:70bfc841a60f 65