/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file usart.c * @brief This file provides code for the configuration * of the USART instances. ****************************************************************************** * @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 "usart.h" /* USER CODE BEGIN 0 */ #include "modbus.h" /* USER CODE END 0 */ UART_HandleTypeDef huart4; UART_HandleTypeDef huart5; UART_HandleTypeDef huart1; UART_HandleTypeDef huart3; UART_HandleTypeDef huart6; DMA_HandleTypeDef hdma_uart4_tx; DMA_HandleTypeDef hdma_uart4_rx; DMA_HandleTypeDef hdma_uart5_tx; DMA_HandleTypeDef hdma_uart5_rx; DMA_HandleTypeDef hdma_usart1_tx; DMA_HandleTypeDef hdma_usart3_tx; DMA_HandleTypeDef hdma_usart3_rx; DMA_HandleTypeDef hdma_usart6_tx; DMA_HandleTypeDef hdma_usart6_rx; /* UART4 init function */ void MX_UART4_Init(void) { /* USER CODE BEGIN UART4_Init 0 */ /* USER CODE END UART4_Init 0 */ /* USER CODE BEGIN UART4_Init 1 */ /* USER CODE END UART4_Init 1 */ huart4.Instance = UART4; huart4.Init.BaudRate = 1200; huart4.Init.WordLength = UART_WORDLENGTH_9B; huart4.Init.StopBits = UART_STOPBITS_1; huart4.Init.Parity = UART_PARITY_ODD; huart4.Init.Mode = UART_MODE_TX_RX; huart4.Init.HwFlowCtl = UART_HWCONTROL_NONE; huart4.Init.OverSampling = UART_OVERSAMPLING_16; if (HAL_UART_Init(&huart4) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN UART4_Init 2 */ /* USER CODE END UART4_Init 2 */ } /* UART5 init function */ void MX_UART5_Init(void) { /* USER CODE BEGIN UART5_Init 0 */ /* USER CODE END UART5_Init 0 */ /* USER CODE BEGIN UART5_Init 1 */ /* USER CODE END UART5_Init 1 */ huart5.Instance = UART5; huart5.Init.BaudRate = 1200; huart5.Init.WordLength = UART_WORDLENGTH_9B; huart5.Init.StopBits = UART_STOPBITS_1; huart5.Init.Parity = UART_PARITY_ODD; huart5.Init.Mode = UART_MODE_TX_RX; huart5.Init.HwFlowCtl = UART_HWCONTROL_NONE; huart5.Init.OverSampling = UART_OVERSAMPLING_16; if (HAL_UART_Init(&huart5) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN UART5_Init 2 */ /* USER CODE END UART5_Init 2 */ } /* USART1 init function */ void MX_USART1_UART_Init(void) { /* USER CODE BEGIN USART1_Init 0 */ /* USER CODE END USART1_Init 0 */ /* USER CODE BEGIN USART1_Init 1 */ /* USER CODE END USART1_Init 1 */ huart1.Instance = USART1; huart1.Init.BaudRate = 512000; huart1.Init.WordLength = UART_WORDLENGTH_8B; huart1.Init.StopBits = UART_STOPBITS_1; huart1.Init.Parity = UART_PARITY_NONE; huart1.Init.Mode = UART_MODE_TX_RX; huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE; huart1.Init.OverSampling = UART_OVERSAMPLING_16; if (HAL_UART_Init(&huart1) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN USART1_Init 2 */ /* USER CODE END USART1_Init 2 */ } /* USART3 init function */ void MX_USART3_UART_Init(void) { /* USER CODE BEGIN USART3_Init 0 */ /* USER CODE END USART3_Init 0 */ /* USER CODE BEGIN USART3_Init 1 */ /* USER CODE END USART3_Init 1 */ huart3.Instance = USART3; huart3.Init.BaudRate = 1200; huart3.Init.WordLength = UART_WORDLENGTH_9B; huart3.Init.StopBits = UART_STOPBITS_1; huart3.Init.Parity = UART_PARITY_ODD; huart3.Init.Mode = UART_MODE_TX_RX; huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE; huart3.Init.OverSampling = UART_OVERSAMPLING_16; if (HAL_UART_Init(&huart3) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN USART3_Init 2 */ /* USER CODE END USART3_Init 2 */ } /* USART6 init function */ void MX_USART6_UART_Init(void) { /* USER CODE BEGIN USART6_Init 0 */ /* USER CODE END USART6_Init 0 */ /* USER CODE BEGIN USART6_Init 1 */ /* USER CODE END USART6_Init 1 */ huart6.Instance = USART6; huart6.Init.BaudRate = 1200; huart6.Init.WordLength = UART_WORDLENGTH_9B; huart6.Init.StopBits = UART_STOPBITS_1; huart6.Init.Parity = UART_PARITY_ODD; huart6.Init.Mode = UART_MODE_TX_RX; huart6.Init.HwFlowCtl = UART_HWCONTROL_NONE; huart6.Init.OverSampling = UART_OVERSAMPLING_16; if (HAL_UART_Init(&huart6) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN USART6_Init 2 */ /* USER CODE END USART6_Init 2 */ } void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle) { GPIO_InitTypeDef GPIO_InitStruct = {0}; if(uartHandle->Instance==UART4) { /* USER CODE BEGIN UART4_MspInit 0 */ /* USER CODE END UART4_MspInit 0 */ /* UART4 clock enable */ __HAL_RCC_UART4_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); /**UART4 GPIO Configuration PC10 ------> UART4_TX PC11 ------> UART4_RX */ GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF8_UART4; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); /* UART4 DMA Init */ /* UART4_TX Init */ hdma_uart4_tx.Instance = DMA1_Stream4; hdma_uart4_tx.Init.Channel = DMA_CHANNEL_4; hdma_uart4_tx.Init.Direction = DMA_MEMORY_TO_PERIPH; hdma_uart4_tx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_uart4_tx.Init.MemInc = DMA_MINC_ENABLE; hdma_uart4_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_uart4_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_uart4_tx.Init.Mode = DMA_NORMAL; hdma_uart4_tx.Init.Priority = DMA_PRIORITY_LOW; hdma_uart4_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; if (HAL_DMA_Init(&hdma_uart4_tx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(uartHandle,hdmatx,hdma_uart4_tx); /* UART4_RX Init */ hdma_uart4_rx.Instance = DMA1_Stream2; hdma_uart4_rx.Init.Channel = DMA_CHANNEL_4; hdma_uart4_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; hdma_uart4_rx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_uart4_rx.Init.MemInc = DMA_MINC_ENABLE; hdma_uart4_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_uart4_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_uart4_rx.Init.Mode = DMA_NORMAL; hdma_uart4_rx.Init.Priority = DMA_PRIORITY_LOW; hdma_uart4_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; if (HAL_DMA_Init(&hdma_uart4_rx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(uartHandle,hdmarx,hdma_uart4_rx); /* UART4 interrupt Init */ HAL_NVIC_SetPriority(UART4_IRQn, 0, 0); HAL_NVIC_EnableIRQ(UART4_IRQn); /* USER CODE BEGIN UART4_MspInit 1 */ /* USER CODE END UART4_MspInit 1 */ } else if(uartHandle->Instance==UART5) { /* USER CODE BEGIN UART5_MspInit 0 */ /* USER CODE END UART5_MspInit 0 */ /* UART5 clock enable */ __HAL_RCC_UART5_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); /**UART5 GPIO Configuration PC12 ------> UART5_TX PD2 ------> UART5_RX */ GPIO_InitStruct.Pin = GPIO_PIN_12; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF8_UART5; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_2; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF8_UART5; HAL_GPIO_Init(GPIOD, &GPIO_InitStruct); /* UART5 DMA Init */ /* UART5_TX Init */ hdma_uart5_tx.Instance = DMA1_Stream7; hdma_uart5_tx.Init.Channel = DMA_CHANNEL_4; hdma_uart5_tx.Init.Direction = DMA_MEMORY_TO_PERIPH; hdma_uart5_tx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_uart5_tx.Init.MemInc = DMA_MINC_ENABLE; hdma_uart5_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_uart5_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_uart5_tx.Init.Mode = DMA_NORMAL; hdma_uart5_tx.Init.Priority = DMA_PRIORITY_LOW; hdma_uart5_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; if (HAL_DMA_Init(&hdma_uart5_tx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(uartHandle,hdmatx,hdma_uart5_tx); /* UART5_RX Init */ hdma_uart5_rx.Instance = DMA1_Stream0; hdma_uart5_rx.Init.Channel = DMA_CHANNEL_4; hdma_uart5_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; hdma_uart5_rx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_uart5_rx.Init.MemInc = DMA_MINC_ENABLE; hdma_uart5_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_uart5_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_uart5_rx.Init.Mode = DMA_NORMAL; hdma_uart5_rx.Init.Priority = DMA_PRIORITY_LOW; hdma_uart5_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; if (HAL_DMA_Init(&hdma_uart5_rx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(uartHandle,hdmarx,hdma_uart5_rx); /* UART5 interrupt Init */ HAL_NVIC_SetPriority(UART5_IRQn, 0, 0); HAL_NVIC_EnableIRQ(UART5_IRQn); /* USER CODE BEGIN UART5_MspInit 1 */ /* USER CODE END UART5_MspInit 1 */ } else if(uartHandle->Instance==USART1) { /* USER CODE BEGIN USART1_MspInit 0 */ /* USER CODE END USART1_MspInit 0 */ /* USART1 clock enable */ __HAL_RCC_USART1_CLK_ENABLE(); __HAL_RCC_GPIOA_CLK_ENABLE(); /**USART1 GPIO Configuration PA9 ------> USART1_TX PA10 ------> USART1_RX */ GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF7_USART1; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* USART1 DMA Init */ /* USART1_TX Init */ hdma_usart1_tx.Instance = DMA2_Stream7; hdma_usart1_tx.Init.Channel = DMA_CHANNEL_4; hdma_usart1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH; hdma_usart1_tx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_usart1_tx.Init.MemInc = DMA_MINC_ENABLE; hdma_usart1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_usart1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_usart1_tx.Init.Mode = DMA_NORMAL; hdma_usart1_tx.Init.Priority = DMA_PRIORITY_LOW; hdma_usart1_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; if (HAL_DMA_Init(&hdma_usart1_tx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart1_tx); /* USART1 interrupt Init */ HAL_NVIC_SetPriority(USART1_IRQn, 0, 0); HAL_NVIC_EnableIRQ(USART1_IRQn); /* USER CODE BEGIN USART1_MspInit 1 */ /* USER CODE END USART1_MspInit 1 */ } else if(uartHandle->Instance==USART3) { /* USER CODE BEGIN USART3_MspInit 0 */ /* USER CODE END USART3_MspInit 0 */ /* USART3 clock enable */ __HAL_RCC_USART3_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); /**USART3 GPIO Configuration PD8 ------> USART3_TX PD9 ------> USART3_RX */ GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF7_USART3; HAL_GPIO_Init(GPIOD, &GPIO_InitStruct); /* USART3 DMA Init */ /* USART3_TX Init */ hdma_usart3_tx.Instance = DMA1_Stream3; hdma_usart3_tx.Init.Channel = DMA_CHANNEL_4; hdma_usart3_tx.Init.Direction = DMA_MEMORY_TO_PERIPH; hdma_usart3_tx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_usart3_tx.Init.MemInc = DMA_MINC_ENABLE; hdma_usart3_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_usart3_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_usart3_tx.Init.Mode = DMA_NORMAL; hdma_usart3_tx.Init.Priority = DMA_PRIORITY_LOW; hdma_usart3_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; if (HAL_DMA_Init(&hdma_usart3_tx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart3_tx); /* USART3_RX Init */ hdma_usart3_rx.Instance = DMA1_Stream1; hdma_usart3_rx.Init.Channel = DMA_CHANNEL_4; hdma_usart3_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; hdma_usart3_rx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_usart3_rx.Init.MemInc = DMA_MINC_ENABLE; hdma_usart3_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_usart3_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_usart3_rx.Init.Mode = DMA_NORMAL; hdma_usart3_rx.Init.Priority = DMA_PRIORITY_LOW; hdma_usart3_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; if (HAL_DMA_Init(&hdma_usart3_rx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(uartHandle,hdmarx,hdma_usart3_rx); /* USART3 interrupt Init */ HAL_NVIC_SetPriority(USART3_IRQn, 0, 0); HAL_NVIC_EnableIRQ(USART3_IRQn); /* USER CODE BEGIN USART3_MspInit 1 */ /* USER CODE END USART3_MspInit 1 */ } else if(uartHandle->Instance==USART6) { /* USER CODE BEGIN USART6_MspInit 0 */ /* USER CODE END USART6_MspInit 0 */ /* USART6 clock enable */ __HAL_RCC_USART6_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); /**USART6 GPIO Configuration PC6 ------> USART6_TX PC7 ------> USART6_RX */ GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF8_USART6; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); /* USART6 DMA Init */ /* USART6_TX Init */ hdma_usart6_tx.Instance = DMA2_Stream6; hdma_usart6_tx.Init.Channel = DMA_CHANNEL_5; hdma_usart6_tx.Init.Direction = DMA_MEMORY_TO_PERIPH; hdma_usart6_tx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_usart6_tx.Init.MemInc = DMA_MINC_ENABLE; hdma_usart6_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_usart6_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_usart6_tx.Init.Mode = DMA_NORMAL; hdma_usart6_tx.Init.Priority = DMA_PRIORITY_LOW; hdma_usart6_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; if (HAL_DMA_Init(&hdma_usart6_tx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart6_tx); /* USART6_RX Init */ hdma_usart6_rx.Instance = DMA2_Stream1; hdma_usart6_rx.Init.Channel = DMA_CHANNEL_5; hdma_usart6_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; hdma_usart6_rx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_usart6_rx.Init.MemInc = DMA_MINC_ENABLE; hdma_usart6_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_usart6_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_usart6_rx.Init.Mode = DMA_NORMAL; hdma_usart6_rx.Init.Priority = DMA_PRIORITY_LOW; hdma_usart6_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; if (HAL_DMA_Init(&hdma_usart6_rx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(uartHandle,hdmarx,hdma_usart6_rx); /* USART6 interrupt Init */ HAL_NVIC_SetPriority(USART6_IRQn, 0, 0); HAL_NVIC_EnableIRQ(USART6_IRQn); /* USER CODE BEGIN USART6_MspInit 1 */ /* USER CODE END USART6_MspInit 1 */ } } void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle) { if(uartHandle->Instance==UART4) { /* USER CODE BEGIN UART4_MspDeInit 0 */ /* USER CODE END UART4_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_UART4_CLK_DISABLE(); /**UART4 GPIO Configuration PC10 ------> UART4_TX PC11 ------> UART4_RX */ HAL_GPIO_DeInit(GPIOC, GPIO_PIN_10|GPIO_PIN_11); /* UART4 DMA DeInit */ HAL_DMA_DeInit(uartHandle->hdmatx); HAL_DMA_DeInit(uartHandle->hdmarx); /* UART4 interrupt Deinit */ HAL_NVIC_DisableIRQ(UART4_IRQn); /* USER CODE BEGIN UART4_MspDeInit 1 */ /* USER CODE END UART4_MspDeInit 1 */ } else if(uartHandle->Instance==UART5) { /* USER CODE BEGIN UART5_MspDeInit 0 */ /* USER CODE END UART5_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_UART5_CLK_DISABLE(); /**UART5 GPIO Configuration PC12 ------> UART5_TX PD2 ------> UART5_RX */ HAL_GPIO_DeInit(GPIOC, GPIO_PIN_12); HAL_GPIO_DeInit(GPIOD, GPIO_PIN_2); /* UART5 DMA DeInit */ HAL_DMA_DeInit(uartHandle->hdmatx); HAL_DMA_DeInit(uartHandle->hdmarx); /* UART5 interrupt Deinit */ HAL_NVIC_DisableIRQ(UART5_IRQn); /* USER CODE BEGIN UART5_MspDeInit 1 */ /* USER CODE END UART5_MspDeInit 1 */ } else if(uartHandle->Instance==USART1) { /* USER CODE BEGIN USART1_MspDeInit 0 */ /* USER CODE END USART1_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_USART1_CLK_DISABLE(); /**USART1 GPIO Configuration PA9 ------> USART1_TX PA10 ------> USART1_RX */ HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10); /* USART1 DMA DeInit */ HAL_DMA_DeInit(uartHandle->hdmatx); /* USART1 interrupt Deinit */ HAL_NVIC_DisableIRQ(USART1_IRQn); /* USER CODE BEGIN USART1_MspDeInit 1 */ /* USER CODE END USART1_MspDeInit 1 */ } else if(uartHandle->Instance==USART3) { /* USER CODE BEGIN USART3_MspDeInit 0 */ /* USER CODE END USART3_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_USART3_CLK_DISABLE(); /**USART3 GPIO Configuration PD8 ------> USART3_TX PD9 ------> USART3_RX */ HAL_GPIO_DeInit(GPIOD, GPIO_PIN_8|GPIO_PIN_9); /* USART3 DMA DeInit */ HAL_DMA_DeInit(uartHandle->hdmatx); HAL_DMA_DeInit(uartHandle->hdmarx); /* USART3 interrupt Deinit */ HAL_NVIC_DisableIRQ(USART3_IRQn); /* USER CODE BEGIN USART3_MspDeInit 1 */ /* USER CODE END USART3_MspDeInit 1 */ } else if(uartHandle->Instance==USART6) { /* USER CODE BEGIN USART6_MspDeInit 0 */ /* USER CODE END USART6_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_USART6_CLK_DISABLE(); /**USART6 GPIO Configuration PC6 ------> USART6_TX PC7 ------> USART6_RX */ HAL_GPIO_DeInit(GPIOC, GPIO_PIN_6|GPIO_PIN_7); /* USART6 DMA DeInit */ HAL_DMA_DeInit(uartHandle->hdmatx); HAL_DMA_DeInit(uartHandle->hdmarx); /* USART6 interrupt Deinit */ HAL_NVIC_DisableIRQ(USART6_IRQn); /* USER CODE BEGIN USART6_MspDeInit 1 */ /* USER CODE END USART6_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ UART_BUF uart1; //串口结构体实体 uint8_t RxBuffer; //接收数据中间变量 uint8_t u3_cnt = 0,u4_cnt = 0,u5_cnt = 0,u6_cnt = 0; uint8_t u3_rxbuf[HART_MAX_SIZE],u4_rxbuf[HART_MAX_SIZE],u5_rxbuf[HART_MAX_SIZE],u6_rxbuf[HART_MAX_SIZE]; int set_addr_flag = 0; uint8_t addr_array[7] = {0xee,0x01,0x00,0x00,0x00,0x00,0x00}; int hart_flag = 0; #pragma import(__use_no_semihosting_swi) #pragma import(__use_no_semihosting) void _sys_exit(int x) { x = x; } struct __FILE { int handle; /* Whatever you require here. If the only file you are using is */ /* standard output using printf() for debugging, no file handling */ /* is required. */ }; /* FILE is typedef’ d in stdio.h. */ FILE __stdout; int fputc(int ch, FILE *f) { HAL_UART_Transmit(&huart1, (uint8_t *)&ch, 1, 0xffff); return ch; } void hart_init(void) { HAL_GPIO_WritePin(HART_RST_GPIO_Port,HART_RST_Pin,GPIO_PIN_RESET); HAL_Delay(100); HAL_GPIO_WritePin(HART_RST_GPIO_Port,HART_RST_Pin,GPIO_PIN_SET); HAL_UARTEx_ReceiveToIdle_DMA(&huart3,u3_rxbuf,HART_MAX_SIZE); //开启串口空闲中断和DMA接收 HAL_UARTEx_ReceiveToIdle_DMA(&huart4,u4_rxbuf,HART_MAX_SIZE); //开启串口空闲中断和DMA接收 HAL_UARTEx_ReceiveToIdle_DMA(&huart5,u5_rxbuf,HART_MAX_SIZE); //开启串口空闲中断和DMA接收 HAL_UARTEx_ReceiveToIdle_DMA(&huart6,u6_rxbuf,HART_MAX_SIZE); //开启串口空闲中断和DMA接收 } void uart_send(UART_HandleTypeDef *huart,uint8_t *Tx_Buf,uint16_t Size) { HAL_UART_Transmit_DMA(huart,Tx_Buf,Size); } void set_addr_cb(void) { if(set_addr_flag) { HAL_GPIO_WritePin(NEXTADDR_GPIO_Port,NEXTADDR_Pin,GPIO_PIN_RESET); } else { if(uart1.rx_buf[0] == 0xee) { if(uart1.rx_buf[1] == 0x00) { set_addr_flag = 1; LOCAL_ADDRESS = uart1.rx_buf[5] * 5 + 4; addr_array[5] = uart1.rx_buf[5] + 1; addr_array[2] = uart1.rx_buf[2]; addr_array[3] = uart1.rx_buf[3]; addr_array[4] = uart1.rx_buf[4]; addr_array[6] = uart1.rx_buf[6]; uart_send(&huart1,addr_array,7); } } } } void hart_cb(void) { if(uart1.rx_buf[0] == 0xAA) { if(uart1.rx_buf[1] == 0x55) { hart_flag = 1; if(uart1.rx_buf[2] - ((LOCAL_ADDRESS / 5) * 4) == 1) { HAL_GPIO_WritePin(HART1_RTS_GPIO_Port,HART1_RTS_Pin,GPIO_PIN_RESET); uart_send(&huart3,uart1.rx_buf + 3,uart1.rx_size - 3); } if(uart1.rx_buf[2] - ((LOCAL_ADDRESS / 5) * 4) == 2) { HAL_GPIO_WritePin(HART2_RTS_GPIO_Port,HART2_RTS_Pin,GPIO_PIN_RESET); uart_send(&huart4,uart1.rx_buf + 3,uart1.rx_size - 3); } if(uart1.rx_buf[2] - ((LOCAL_ADDRESS / 5) * 4) == 3) { HAL_GPIO_WritePin(HART3_RTS_GPIO_Port,HART3_RTS_Pin,GPIO_PIN_RESET); uart_send(&huart5,uart1.rx_buf + 3,uart1.rx_size - 3); } if(uart1.rx_buf[2] - ((LOCAL_ADDRESS / 5) * 4) == 4) { HAL_GPIO_WritePin(HART4_RTS_GPIO_Port,HART4_RTS_Pin,GPIO_PIN_RESET); uart_send(&huart6,uart1.rx_buf + 3,uart1.rx_size - 3); } } } } void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { if(huart->Instance == USART1) { modbus_rx_cb(); } } void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size) { if (huart->Instance == USART3) { u3_cnt = HART_MAX_SIZE - __HAL_DMA_GET_COUNTER(&hdma_usart3_rx); if(hart_flag) { uart_send(&huart1,u3_rxbuf,u3_cnt); hart_flag = 0; } //memset(u3_rxbuf, 0, u3_cnt); } if (huart->Instance == UART4) { u4_cnt = HART_MAX_SIZE - __HAL_DMA_GET_COUNTER(&hdma_uart4_rx); if(hart_flag) { uart_send(&huart1,u4_rxbuf,u4_cnt); hart_flag = 0; } //memset(u4_rxbuf, 0, u4_cnt); } if (huart->Instance == UART5) { u5_cnt = HART_MAX_SIZE - __HAL_DMA_GET_COUNTER(&hdma_uart5_rx); if(hart_flag) { uart_send(&huart1,u5_rxbuf,u5_cnt); hart_flag = 0; } //memset(u5_rxbuf, 0, u5_cnt); } if (huart->Instance == USART6) { u6_cnt = HART_MAX_SIZE - __HAL_DMA_GET_COUNTER(&hdma_usart6_rx); if(hart_flag) { uart_send(&huart1,u6_rxbuf,u6_cnt); hart_flag = 0; } //memset(u6_rxbuf, 0, u6_cnt); } } /* USER CODE END 1 */