/** ****************************************************************************** * @file usart.c * @brief This file provides code for the configuration * of the USART instances. ****************************************************************************** * @attention * *

© Copyright (c) 2021 STMicroelectronics. * All rights reserved.

* * This software component is licensed by ST under Ultimate Liberty license * SLA0044, the "License"; You may not use this file except in compliance with * the License. You may obtain a copy of the License at: * www.st.com/SLA0044 * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "usart.h" /* USER CODE BEGIN 0 */ /* USER CODE END 0 */ UART_HandleTypeDef huart4; UART_HandleTypeDef huart1; DMA_HandleTypeDef hdma_uart4_rx; DMA_HandleTypeDef hdma_uart4_tx; DMA_HandleTypeDef hdma_usart1_tx; DMA_HandleTypeDef hdma_usart1_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 = 56000; 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; if (HAL_UART_Init(&huart4) != HAL_OK) { Error_Handler(); } /* USER CODE BEGIN UART4_Init 2 */ /* USER CODE END UART4_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 = 56000; 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 */ } 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_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_11; GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); /* UART4 DMA Init */ /* UART4_RX Init */ hdma_uart4_rx.Instance = DMA2_Channel3; 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; if (HAL_DMA_Init(&hdma_uart4_rx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(uartHandle,hdmarx,hdma_uart4_rx); /* UART4_TX Init */ hdma_uart4_tx.Instance = DMA2_Channel5; 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; if (HAL_DMA_Init(&hdma_uart4_tx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(uartHandle,hdmatx,hdma_uart4_tx); /* USER CODE BEGIN UART4_MspInit 1 */ /* USER CODE END UART4_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_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); GPIO_InitStruct.Pin = GPIO_PIN_10; GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* USART1 DMA Init */ /* USART1_TX Init */ hdma_usart1_tx.Instance = DMA1_Channel4; 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; if (HAL_DMA_Init(&hdma_usart1_tx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(uartHandle,hdmatx,hdma_usart1_tx); /* USART1_RX Init */ hdma_usart1_rx.Instance = DMA1_Channel5; hdma_usart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; hdma_usart1_rx.Init.PeriphInc = DMA_PINC_DISABLE; hdma_usart1_rx.Init.MemInc = DMA_MINC_ENABLE; hdma_usart1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; hdma_usart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; hdma_usart1_rx.Init.Mode = DMA_NORMAL; hdma_usart1_rx.Init.Priority = DMA_PRIORITY_LOW; if (HAL_DMA_Init(&hdma_usart1_rx) != HAL_OK) { Error_Handler(); } __HAL_LINKDMA(uartHandle,hdmarx,hdma_usart1_rx); /* USER CODE BEGIN USART1_MspInit 1 */ /* USER CODE END USART1_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->hdmarx); HAL_DMA_DeInit(uartHandle->hdmatx); /* UART4 interrupt Deinit */ HAL_NVIC_DisableIRQ(UART4_IRQn); /* USER CODE BEGIN UART4_MspDeInit 1 */ /* USER CODE END UART4_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); HAL_DMA_DeInit(uartHandle->hdmarx); /* USART1 interrupt Deinit */ HAL_NVIC_DisableIRQ(USART1_IRQn); /* USER CODE BEGIN USART1_MspDeInit 1 */ /* USER CODE END USART1_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ //printf redirect #ifdef __GNUC__ //#define PUTCHAR_PROTOTYPE int __io_putchar(int ch) #define PUTCHAR_PROTOTYPE int putchar(int ch) #else #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f) #endif PUTCHAR_PROTOTYPE { HAL_UART_Transmit(&huart1,(uint8_t *)&ch,1,10); return ch; } /* USER CODE END 1 */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/