/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file usart.c * @brief This file provides code for the configuration * of the USART instances. ****************************************************************************** * @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 "usart.h" /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ UART_HandleTypeDef huart4; UART_HandleTypeDef huart2; UART_HandleTypeDef huart3; /* 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 = 115200; huart4.Init.WordLength = UART_WORDLENGTH_8B; huart4.Init.StopBits = UART_STOPBITS_1; huart4.Init.Parity = UART_PARITY_NONE; huart4.Init.Mode = UART_MODE_TX_RX; huart4.Init.HwFlowCtl = UART_HWCONTROL_NONE; huart4.Init.OverSampling = UART_OVERSAMPLING_16; huart4.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; huart4.Init.ClockPrescaler = UART_PRESCALER_DIV1; huart4.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT; if (HAL_UART_Init(&huart4) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_SetTxFifoThreshold(&huart4, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_SetRxFifoThreshold(&huart4, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_DisableFifoMode(&huart4) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN UART4_Init 2 */ /* USER CODE END UART4_Init 2 */ } /* USART2 init function */ void MX_USART2_UART_Init(void) { /* USER CODE BEGIN USART2_Init 0 */ /* USER CODE END USART2_Init 0 */ /* USER CODE BEGIN USART2_Init 1 */ /* USER CODE END USART2_Init 1 */ huart2.Instance = USART2; huart2.Init.BaudRate = 115200; huart2.Init.WordLength = UART_WORDLENGTH_8B; huart2.Init.StopBits = UART_STOPBITS_1; huart2.Init.Parity = UART_PARITY_NONE; huart2.Init.Mode = UART_MODE_TX_RX; huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE; huart2.Init.OverSampling = UART_OVERSAMPLING_16; huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; huart2.Init.ClockPrescaler = UART_PRESCALER_DIV1; huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT; if (HAL_RS485Ex_Init(&huart2, UART_DE_POLARITY_HIGH, 0, 0) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_SetTxFifoThreshold(&huart2, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_SetRxFifoThreshold(&huart2, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_DisableFifoMode(&huart2) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN USART2_Init 2 */ /* USER CODE END USART2_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 = 115200; huart3.Init.WordLength = UART_WORDLENGTH_8B; huart3.Init.StopBits = UART_STOPBITS_1; huart3.Init.Parity = UART_PARITY_NONE; huart3.Init.Mode = UART_MODE_TX_RX; huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE; huart3.Init.OverSampling = UART_OVERSAMPLING_16; huart3.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; huart3.Init.ClockPrescaler = UART_PRESCALER_DIV1; huart3.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT; if (HAL_RS485Ex_Init(&huart3, UART_DE_POLARITY_HIGH, 0, 0) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_SetTxFifoThreshold(&huart3, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_SetRxFifoThreshold(&huart3, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_DisableFifoMode(&huart3) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN USART3_Init 2 */ /* USER CODE END USART3_Init 2 */ } void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle) { GPIO_InitTypeDef GPIO_InitStruct = {0}; RCC_PeriphCLKInitTypeDef PeriphClkInit = {0}; if(uartHandle->Instance==UART4) { /* USER CODE BEGIN UART4_MspInit 0 */ /* USER CODE END UART4_MspInit 0 */ /** Initializes the peripherals clocks */ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_UART4; PeriphClkInit.Uart4ClockSelection = RCC_UART4CLKSOURCE_PCLK1; if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) { Error_Handler(); } /* 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 = DEBUG_TX_Pin|DEBUG_RX_Pin; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF5_UART4; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); /* USER CODE BEGIN UART4_MspInit 1 */ /* USER CODE END UART4_MspInit 1 */ } else if(uartHandle->Instance==USART2) { /* USER CODE BEGIN USART2_MspInit 0 */ /* USER CODE END USART2_MspInit 0 */ /** Initializes the peripherals clocks */ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2; PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1; if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) { Error_Handler(); } /* USART2 clock enable */ __HAL_RCC_USART2_CLK_ENABLE(); __HAL_RCC_GPIOA_CLK_ENABLE(); /**USART2 GPIO Configuration PA1 ------> USART2_DE PA2 ------> USART2_TX PA3 ------> USART2_RX */ GPIO_InitStruct.Pin = GW485_RDE_Pin; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM; GPIO_InitStruct.Alternate = GPIO_AF7_USART2; HAL_GPIO_Init(GW485_RDE_GPIO_Port, &GPIO_InitStruct); GPIO_InitStruct.Pin = GW485_TX_Pin|GW485_RX_Pin; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_PULLUP; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM; GPIO_InitStruct.Alternate = GPIO_AF7_USART2; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* USART2 interrupt Init */ HAL_NVIC_SetPriority(USART2_IRQn, 2, 0); HAL_NVIC_EnableIRQ(USART2_IRQn); /* USER CODE BEGIN USART2_MspInit 1 */ /* USER CODE END USART2_MspInit 1 */ } else if(uartHandle->Instance==USART3) { /* USER CODE BEGIN USART3_MspInit 0 */ /* USER CODE END USART3_MspInit 0 */ /** Initializes the peripherals clocks */ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART3; PeriphClkInit.Usart3ClockSelection = RCC_USART3CLKSOURCE_PCLK1; if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) { Error_Handler(); } /* USART3 clock enable */ __HAL_RCC_USART3_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); /**USART3 GPIO Configuration PB10 ------> USART3_TX PB11 ------> USART3_RX PB14 ------> USART3_DE */ GPIO_InitStruct.Pin = BAT485_TX_Pin|BAT485_RX_Pin; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_PULLUP; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM; GPIO_InitStruct.Alternate = GPIO_AF7_USART3; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); GPIO_InitStruct.Pin = BAT_485_RDE_Pin; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF7_USART3; HAL_GPIO_Init(BAT_485_RDE_GPIO_Port, &GPIO_InitStruct); /* USART3 interrupt Init */ HAL_NVIC_SetPriority(USART3_IRQn, 2, 0); HAL_NVIC_EnableIRQ(USART3_IRQn); /* USER CODE BEGIN USART3_MspInit 1 */ /* USER CODE END USART3_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, DEBUG_TX_Pin|DEBUG_RX_Pin); /* USER CODE BEGIN UART4_MspDeInit 1 */ /* USER CODE END UART4_MspDeInit 1 */ } else if(uartHandle->Instance==USART2) { /* USER CODE BEGIN USART2_MspDeInit 0 */ /* USER CODE END USART2_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_USART2_CLK_DISABLE(); /**USART2 GPIO Configuration PA1 ------> USART2_DE PA2 ------> USART2_TX PA3 ------> USART2_RX */ HAL_GPIO_DeInit(GPIOA, GW485_RDE_Pin|GW485_TX_Pin|GW485_RX_Pin); /* USART2 interrupt Deinit */ HAL_NVIC_DisableIRQ(USART2_IRQn); /* USER CODE BEGIN USART2_MspDeInit 1 */ /* USER CODE END USART2_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 PB10 ------> USART3_TX PB11 ------> USART3_RX PB14 ------> USART3_DE */ HAL_GPIO_DeInit(GPIOB, BAT485_TX_Pin|BAT485_RX_Pin|BAT_485_RDE_Pin); /* USART3 interrupt Deinit */ HAL_NVIC_DisableIRQ(USART3_IRQn); /* USER CODE BEGIN USART3_MspDeInit 1 */ /* USER CODE END USART3_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */