247 lines
6.1 KiB
C
247 lines
6.1 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file stm32l4xx_it.c
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* @brief Interrupt Service Routines.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2022 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "stm32l4xx_it.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN TD */
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/* USER CODE END TD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN PD */
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/* USER CODE END PD */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN PM */
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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/* USER CODE BEGIN PV */
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extern uint8_t rx;
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extern uint8_t rx_buf[128];
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extern uint8_t head;
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extern uint8_t tail;
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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/* USER CODE BEGIN PFP */
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/* USER CODE END PFP */
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/* Private user code ---------------------------------------------------------*/
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/* External variables --------------------------------------------------------*/
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extern UART_HandleTypeDef huart2;
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/* USER CODE BEGIN EV */
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/* USER CODE END EV */
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/******************************************************************************/
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/* Cortex-M4 Processor Interruption and Exception Handlers */
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/******************************************************************************/
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/**
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* @brief This function handles Non maskable interrupt.
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*/
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void NMI_Handler(void)
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{
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/* USER CODE BEGIN NonMaskableInt_IRQn 0 */
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/* USER CODE END NonMaskableInt_IRQn 0 */
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/* USER CODE BEGIN NonMaskableInt_IRQn 1 */
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while (1)
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{
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}
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/* USER CODE END NonMaskableInt_IRQn 1 */
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}
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/**
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* @brief This function handles Hard fault interrupt.
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*/
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void HardFault_Handler(void)
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{
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/* USER CODE BEGIN HardFault_IRQn 0 */
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/* USER CODE END HardFault_IRQn 0 */
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while (1)
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{
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/* USER CODE BEGIN W1_HardFault_IRQn 0 */
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/* USER CODE END W1_HardFault_IRQn 0 */
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}
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}
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/**
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* @brief This function handles Memory management fault.
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*/
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void MemManage_Handler(void)
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{
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/* USER CODE BEGIN MemoryManagement_IRQn 0 */
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/* USER CODE END MemoryManagement_IRQn 0 */
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while (1)
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{
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/* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
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/* USER CODE END W1_MemoryManagement_IRQn 0 */
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}
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}
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/**
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* @brief This function handles Prefetch fault, memory access fault.
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*/
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void BusFault_Handler(void)
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{
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/* USER CODE BEGIN BusFault_IRQn 0 */
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/* USER CODE END BusFault_IRQn 0 */
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while (1)
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{
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/* USER CODE BEGIN W1_BusFault_IRQn 0 */
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/* USER CODE END W1_BusFault_IRQn 0 */
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}
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}
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/**
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* @brief This function handles Undefined instruction or illegal state.
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*/
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void UsageFault_Handler(void)
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{
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/* USER CODE BEGIN UsageFault_IRQn 0 */
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/* USER CODE END UsageFault_IRQn 0 */
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while (1)
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{
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/* USER CODE BEGIN W1_UsageFault_IRQn 0 */
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/* USER CODE END W1_UsageFault_IRQn 0 */
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}
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}
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/**
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* @brief This function handles System service call via SWI instruction.
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*/
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void SVC_Handler(void)
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{
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/* USER CODE BEGIN SVCall_IRQn 0 */
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/* USER CODE END SVCall_IRQn 0 */
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/* USER CODE BEGIN SVCall_IRQn 1 */
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/* USER CODE END SVCall_IRQn 1 */
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}
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/**
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* @brief This function handles Debug monitor.
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*/
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void DebugMon_Handler(void)
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{
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/* USER CODE BEGIN DebugMonitor_IRQn 0 */
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/* USER CODE END DebugMonitor_IRQn 0 */
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/* USER CODE BEGIN DebugMonitor_IRQn 1 */
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/* USER CODE END DebugMonitor_IRQn 1 */
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}
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/**
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* @brief This function handles Pendable request for system service.
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*/
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void PendSV_Handler(void)
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{
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/* USER CODE BEGIN PendSV_IRQn 0 */
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/* USER CODE END PendSV_IRQn 0 */
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/* USER CODE BEGIN PendSV_IRQn 1 */
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/* USER CODE END PendSV_IRQn 1 */
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}
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/**
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* @brief This function handles System tick timer.
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*/
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void SysTick_Handler(void)
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{
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/* USER CODE BEGIN SysTick_IRQn 0 */
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/* USER CODE END SysTick_IRQn 0 */
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HAL_IncTick();
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/* USER CODE BEGIN SysTick_IRQn 1 */
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/* USER CODE END SysTick_IRQn 1 */
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}
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/******************************************************************************/
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/* STM32L4xx Peripheral Interrupt Handlers */
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/* Add here the Interrupt Handlers for the used peripherals. */
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/* For the available peripheral interrupt handler names, */
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/* please refer to the startup file (startup_stm32l4xx.s). */
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/******************************************************************************/
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/**
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* @brief This function handles EXTI line[9:5] interrupts.
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*/
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void EXTI9_5_IRQHandler(void)
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{
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/* USER CODE BEGIN EXTI9_5_IRQn 0 */
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/* USER CODE END EXTI9_5_IRQn 0 */
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HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_7);
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HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_8);
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HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_9);
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/* USER CODE BEGIN EXTI9_5_IRQn 1 */
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/* USER CODE END EXTI9_5_IRQn 1 */
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}
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/**
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* @brief This function handles USART2 global interrupt.
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*/
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void USART2_IRQHandler(void)
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{
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/* USER CODE BEGIN USART2_IRQn 0 */
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/* USER CODE END USART2_IRQn 0 */
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HAL_UART_IRQHandler(&huart2);
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/* USER CODE BEGIN USART2_IRQn 1 */
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if ((head+1)%128 != tail){
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rx_buf[head] = rx;
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head = (head+1)%128;
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}
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HAL_UART_Receive_IT(&huart2, &rx, 1);
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/* USER CODE END USART2_IRQn 1 */
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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