infinite loop, externer Interrupt, STM32F746, HAL-Library

#include "stm32f7xx.h"

#include "stm32f7xx_hal_def.h"

#include "../Utilities/STM32746G-Discovery/stm32746g_discovery.h"

static void SystemClock_Config(void);

static void MX_GPIO_Init(void);

void Error_Handler(void);

int main(void)

{

    HAL_Init();

    //NVIC_SetPriority(SysTick_IRQn, -1);

    /* Configure the system clock to 216 MHz */

    SystemClock_Config();

    MX_GPIO_Init();

    while (1)

    {

  HAL_Delay(5);

        HAL_Delay(500);

        //HAL_GPIO_TogglePin( GPIOI , GPIO_PIN_8);

        HAL_GPIO_TogglePin( GPIOA , GPIO_PIN_7);

    }

}

static void SystemClock_Config(void)

{

    RCC_ClkInitTypeDef RCC_ClkInitStruct;

    RCC_OscInitTypeDef RCC_OscInitStruct;

    /* Enable Power Control clock */

    __HAL_RCC_PWR_CLK_ENABLE();

    /* The voltage scaling allows optimizing the power consumption when the device is

     clocked below the maximum system frequency, to update the voltage scaling value

     regarding system frequency refer to product datasheet.  */

    __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

    /*##-1- System Clock Configuration #########################################*/

    /* Enable HSE Oscillator and activate PLL with HSE as source */

    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;

    RCC_OscInitStruct.HSEState = RCC_HSE_ON;

    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;

    RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;

    RCC_OscInitStruct.PLL.PLLM = 25;

    RCC_OscInitStruct.PLL.PLLN = 400;

    RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;

    RCC_OscInitStruct.PLL.PLLQ = 8;

    HAL_RCC_OscConfig(&RCC_OscInitStruct);

    /* Activate the Over-Drive mode */

    HAL_PWREx_EnableOverDrive();

    /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2

     clocks dividers */

    RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);

    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;

    RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;

    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;

    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;

    HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_6);

}

static void MX_GPIO_Init(void)

{

  GPIO_InitTypeDef GPIO_InitStruct = {0};

  /* GPIO Ports Clock Enable */

  //__HAL_RCC_GPIOB_CLK_ENABLE();

  __HAL_RCC_GPIOI_CLK_ENABLE();

  __HAL_RCC_GPIOA_CLK_ENABLE();

  /*Configure GPIO pin : PI13 */

  GPIO_InitStruct.Pin = GPIO_PIN_13;

  GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;

  GPIO_InitStruct.Pull = GPIO_NOPULL;

  HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);

  GPIO_InitStruct.Pin = GPIO_PIN_7;

  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

  GPIO_InitStruct.Pull = GPIO_NOPULL;

  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  GPIO_InitStruct.Pin = GPIO_PIN_8;

  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

  GPIO_InitStruct.Pull = GPIO_NOPULL;

  HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);

  /* EXTI interrupt init*/

  HAL_NVIC_SetPriority(EXTI15_10_IRQn, 5, 0);

  HAL_NVIC_EnableIRQ(EXTI15_10_IRQn);

  //NVIC_SetPriority(SysTick_IRQn, -1);

}

/* USER CODE BEGIN 4 */

void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)

{

  //HAL_GPIO_TogglePin( GPIOI , GPIO_PIN_8);

  //HAL_GPIO_TogglePin( GPIOA , GPIO_PIN_7);

  /*

  if(GPIO_Pin == GPIO_PIN_13)

  {

  }

  */

  //__NOP();

}

/* USER CODE END 4 */

void Error_Handler(void)

{

  /* USER CODE BEGIN Error_Handler_Debug */

  /* User can add his own implementation to report the HAL error return state */

  /* USER CODE END Error_Handler_Debug */

}