/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file stm32f1xx_it.c * @brief Interrupt Service Routines. ****************************************************************************** * @attention * * Copyright (c) 2025 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" #include #include "string.h" #include "E104-BT5005A.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 DMA_HandleTypeDef hdma_usart2_rx; extern DMA_HandleTypeDef hdma_usart3_rx; extern UART_HandleTypeDef huart2; extern UART_HandleTypeDef huart3; extern TIM_HandleTypeDef htim3; /* 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 System service call via SWI instruction. */ void SVC_Handler(void) { /* USER CODE BEGIN SVCall_IRQn 0 */ /* USER CODE END SVCall_IRQn 0 */ /* USER CODE BEGIN SVCall_IRQn 1 */ /* USER CODE END SVCall_IRQn 1 */ } /** * @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 */ } /** * @brief This function handles Pendable request for system service. */ void PendSV_Handler(void) { /* USER CODE BEGIN PendSV_IRQn 0 */ /* USER CODE END PendSV_IRQn 0 */ /* USER CODE BEGIN PendSV_IRQn 1 */ /* USER CODE END PendSV_IRQn 1 */ } /** * @brief This function handles System tick timer. */ void SysTick_Handler(void) { /* USER CODE BEGIN SysTick_IRQn 0 */ /* USER CODE END SysTick_IRQn 0 */ /* USER CODE BEGIN SysTick_IRQn 1 */ /* USER CODE END SysTick_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 DMA1 channel6 global interrupt. */ void DMA1_Channel6_IRQHandler(void) { /* USER CODE BEGIN DMA1_Channel6_IRQn 0 */ /* USER CODE END DMA1_Channel6_IRQn 0 */ HAL_DMA_IRQHandler(&hdma_usart2_rx); /* USER CODE BEGIN DMA1_Channel6_IRQn 1 */ /* USER CODE END DMA1_Channel6_IRQn 1 */ } /** * @brief This function handles TIM3 global interrupt. */ void TIM3_IRQHandler(void) { /* USER CODE BEGIN TIM3_IRQn 0 */ /* USER CODE END TIM3_IRQn 0 */ HAL_TIM_IRQHandler(&htim3); /* USER CODE BEGIN TIM3_IRQn 1 */ /* USER CODE END TIM3_IRQn 1 */ } /** * @brief This function handles USART2 global interrupt. */ void USART2_IRQHandler(void) { /* USER CODE BEGIN USART2_IRQn 0 */ /* USER CODE END USART2_IRQn 0 */ HAL_UART_IRQHandler(&huart2); // 检测空闲中断 if (__HAL_UART_GET_FLAG(&huart2, UART_FLAG_IDLE)) { __HAL_UART_CLEAR_IDLEFLAG(&huart2); // 清除空闲标志 HAL_UART_DMAStop(&huart2); // 停止 DMA // 计算接收到的数据长度 uint32_t received_len = sizeof(rx_buf_uart2) - __HAL_DMA_GET_COUNTER(huart2.hdmarx); // 检查是否收到 "SUCCESS" if (received_len >= 7 && strncmp((char *)rx_buf_uart2, "SUCCESS", 7) == 0 && workMode == 1) { // TODO: 收到 SUCCESS 后执行的代码 printf("发生成功:%s\r\n",rx_buf_uart2); loraSendNextDataFlag = 0; }else if (workMode == 1 && rx_buf_uart2[0] != 0xC3) { printf("err:%s",rx_buf_uart2); if (loraSendNextDataFlag > 3) { // loraSendNextDataFlag = 99;//0表示发送成功。99表示发送超时。 >0 <99表示发送失败,重新发送。 printf("发送数据:失败。继续发生下一个数据\r\n"); }else { loraSendNextDataFlag++; } } // 清空缓冲区(可选) memset(rx_buf_uart2, 0, sizeof(rx_buf_uart2)); // 重新开启 DMA 接收 HAL_UART_Receive_DMA(&huart2, rx_buf_uart2, sizeof(rx_buf_uart2)); } /* USER CODE BEGIN USART2_IRQn 1 */ /* USER CODE END USART2_IRQn 1 */ } /** * @brief This function handles USART3 global interrupt. */ void USART3_IRQHandler(void) { /* USER CODE BEGIN USART3_IRQn 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)) { __HAL_UART_CLEAR_IDLEFLAG(&huart3); HAL_UART_DMAStop(&huart3); uint32_t received_len = sizeof(rx_buf) - __HAL_DMA_GET_COUNTER(huart3.hdmarx); if (receiveBlDataCount < 10) { memcpy(totalData[receiveBlDataCount], rx_buf, received_len); receiveBlDataCount++; memset(rx_buf, 0, received_len); HAL_UART_Receive_DMA(&huart3, rx_buf, received_len); // 重新启动 } } /* USER CODE END USART3_IRQn 1 */ } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */