/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file stm32f1xx_it.c * @brief Interrupt Service Routines. ****************************************************************************** * @attention * * Copyright (c) 2024 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ /* USER CODE END Header */ /* Includes ------------------------------------------------------------------*/ #include "main.h" #include "stm32f1xx_it.h" /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ /* USER CODE END Includes */ /* Private typedef -----------------------------------------------------------*/ /* USER CODE BEGIN TD */ /* USER CODE END TD */ /* Private define ------------------------------------------------------------*/ /* USER CODE BEGIN PD */ /* USER CODE END PD */ /* Private macro -------------------------------------------------------------*/ /* USER CODE BEGIN PM */ /* USER CODE END PM */ /* Private variables ---------------------------------------------------------*/ /* USER CODE BEGIN PV */ /* USER CODE END PV */ /* Private function prototypes -----------------------------------------------*/ /* USER CODE BEGIN PFP */ /* USER CODE END PFP */ /* Private user code ---------------------------------------------------------*/ /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ /* External variables --------------------------------------------------------*/ extern TIM_HandleTypeDef htim2; extern TIM_HandleTypeDef htim4; extern DMA_HandleTypeDef hdma_uart4_rx; extern DMA_HandleTypeDef hdma_usart3_rx; extern UART_HandleTypeDef huart4; extern UART_HandleTypeDef huart1; extern UART_HandleTypeDef huart3; extern TIM_HandleTypeDef htim1; /* USER CODE BEGIN EV */ /* USER CODE END EV */ /******************************************************************************/ /* Cortex-M3 Processor Interruption and Exception Handlers */ /******************************************************************************/ /** * @brief This function handles Non maskable interrupt. */ void NMI_Handler(void) { /* USER CODE BEGIN NonMaskableInt_IRQn 0 */ /* USER CODE END NonMaskableInt_IRQn 0 */ /* USER CODE BEGIN NonMaskableInt_IRQn 1 */ while (1) { } /* USER CODE END NonMaskableInt_IRQn 1 */ } /** * @brief This function handles Hard fault interrupt. */ void HardFault_Handler(void) { /* USER CODE BEGIN HardFault_IRQn 0 */ /* USER CODE END HardFault_IRQn 0 */ while (1) { /* USER CODE BEGIN W1_HardFault_IRQn 0 */ /* USER CODE END W1_HardFault_IRQn 0 */ } } /** * @brief This function handles Memory management fault. */ void MemManage_Handler(void) { /* USER CODE BEGIN MemoryManagement_IRQn 0 */ /* USER CODE END MemoryManagement_IRQn 0 */ while (1) { /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */ /* USER CODE END W1_MemoryManagement_IRQn 0 */ } } /** * @brief This function handles Prefetch fault, memory access fault. */ void BusFault_Handler(void) { /* USER CODE BEGIN BusFault_IRQn 0 */ /* USER CODE END BusFault_IRQn 0 */ while (1) { /* USER CODE BEGIN W1_BusFault_IRQn 0 */ /* USER CODE END W1_BusFault_IRQn 0 */ } } /** * @brief This function handles Undefined instruction or illegal state. */ void UsageFault_Handler(void) { /* USER CODE BEGIN UsageFault_IRQn 0 */ /* USER CODE END UsageFault_IRQn 0 */ while (1) { /* USER CODE BEGIN W1_UsageFault_IRQn 0 */ /* USER CODE END W1_UsageFault_IRQn 0 */ } } /** * @brief This function handles Debug monitor. */ void DebugMon_Handler(void) { /* USER CODE BEGIN DebugMonitor_IRQn 0 */ /* USER CODE END DebugMonitor_IRQn 0 */ /* USER CODE BEGIN DebugMonitor_IRQn 1 */ /* USER CODE END DebugMonitor_IRQn 1 */ } /******************************************************************************/ /* STM32F1xx Peripheral Interrupt Handlers */ /* Add here the Interrupt Handlers for the used peripherals. */ /* For the available peripheral interrupt handler names, */ /* please refer to the startup file (startup_stm32f1xx.s). */ /******************************************************************************/ /** * @brief This function handles DMA1 channel3 global interrupt. */ void DMA1_Channel3_IRQHandler(void) { /* USER CODE BEGIN DMA1_Channel3_IRQn 0 */ /* USER CODE END DMA1_Channel3_IRQn 0 */ HAL_DMA_IRQHandler(&hdma_usart3_rx); /* USER CODE BEGIN DMA1_Channel3_IRQn 1 */ /* USER CODE END DMA1_Channel3_IRQn 1 */ } /** * @brief This function handles TIM1 update interrupt. */ void TIM1_UP_IRQHandler(void) { /* USER CODE BEGIN TIM1_UP_IRQn 0 */ /* USER CODE END TIM1_UP_IRQn 0 */ HAL_TIM_IRQHandler(&htim1); /* USER CODE BEGIN TIM1_UP_IRQn 1 */ /* USER CODE END TIM1_UP_IRQn 1 */ } /** * @brief This function handles TIM2 global interrupt. */ void TIM2_IRQHandler(void) { /* USER CODE BEGIN TIM2_IRQn 0 */ /* USER CODE END TIM2_IRQn 0 */ HAL_TIM_IRQHandler(&htim2); /* USER CODE BEGIN TIM2_IRQn 1 */ /* USER CODE END TIM2_IRQn 1 */ } /** * @brief This function handles TIM4 global interrupt. */ void TIM4_IRQHandler(void) { /* USER CODE BEGIN TIM4_IRQn 0 */ /* USER CODE END TIM4_IRQn 0 */ HAL_TIM_IRQHandler(&htim4); /* USER CODE BEGIN TIM4_IRQn 1 */ /* USER CODE END TIM4_IRQn 1 */ } /** * @brief This function handles USART1 global interrupt. */ void USART1_IRQHandler(void) { /* USER CODE BEGIN USART1_IRQn 0 */ /* USER CODE END USART1_IRQn 0 */ HAL_UART_IRQHandler(&huart1); /* USER CODE BEGIN USART1_IRQn 1 */ /* USER CODE END USART1_IRQn 1 */ } /** * @brief This function handles USART3 global interrupt. */ void USART3_IRQHandler(void) { /* USER CODE BEGIN USART3_IRQn 0 */ // uint8_t temp = 0; /* USER CODE END USART3_IRQn 0 */ HAL_UART_IRQHandler(&huart3); /* USER CODE BEGIN USART3_IRQn 1 */ if(__HAL_UART_GET_FLAG(&huart3, UART_FLAG_IDLE) != RESET){ g_usart3_rx_sta++; s_global_par.timeoutCnt_485 = 0; // 清除超时计数值 // 清除空闲中断标志(否则,中断将不断重新触发) __HAL_UART_CLEAR_IDLEFLAG(&huart3); // 停止DMA接收(这将更新DMA传输计数器) HAL_UART_DMAStop(&huart3); // 计算实际接收到的数据长度 uint16_t dataSize = USART3_REC_LEN - __HAL_DMA_GET_COUNTER(huart3.hdmarx); // 处理接收到的数据... parseModbusResponse((uint8_t *)g_usart3_rx_buf , dataSize); // 清除 状态 g_usart3_rx_sta = 0; // 如果需要继续接收,可以再次启动DMA接收 HAL_UART_Receive_DMA(&huart3, (uint8_t*)g_usart3_rx_buf, USART3_REC_LEN); } /* USER CODE END USART3_IRQn 1 */ } /** * @brief This function handles UART4 global interrupt. */ void UART4_IRQHandler(void) { /* USER CODE BEGIN UART4_IRQn 0 */ /* USER CODE END UART4_IRQn 0 */ HAL_UART_IRQHandler(&huart4); /* USER CODE BEGIN UART4_IRQn 1 */ if(__HAL_UART_GET_FLAG(&huart4, UART_FLAG_IDLE) != RESET){ g_usart4_rx_sta++; // 清除空闲中断标志(否则,中断将不断重新触发) __HAL_UART_CLEAR_IDLEFLAG(&huart4); // 停止DMA接收(这将更新DMA传输计数器) // HAL_UART_DMAStop(&huart4); // 计算实际接收到的数据长度 // uint16_t dataSize = USART4_REC_LEN - __HAL_DMA_GET_COUNTER(huart4.hdmarx); // // 处理接收到的数据... // 如果需要继续接收,可以再次启动DMA接收 HAL_UART_Receive_DMA(&huart4, (uint8_t*)g_usart4_rx_buf, USART4_REC_LEN); } /* USER CODE END UART4_IRQn 1 */ } /** * @brief This function handles DMA2 channel3 global interrupt. */ void DMA2_Channel3_IRQHandler(void) { /* USER CODE BEGIN DMA2_Channel3_IRQn 0 */ /* USER CODE END DMA2_Channel3_IRQn 0 */ HAL_DMA_IRQHandler(&hdma_uart4_rx); /* USER CODE BEGIN DMA2_Channel3_IRQn 1 */ /* USER CODE END DMA2_Channel3_IRQn 1 */ } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */