/** ****************************************************************************** * File Name : USART.c * Description : This file provides code for the configuration * of the USART instances. ****************************************************************************** * @attention * *

© Copyright (c) 2020 STMicroelectronics. * All rights reserved.

* * This software component is licensed by ST under BSD 3-Clause license, * the "License"; You may not use this file except in compliance with the * License. You may obtain a copy of the License at: * opensource.org/licenses/BSD-3-Clause * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "usart.h" /* USER CODE BEGIN 0 */ uint8_t data; uint8_t ch20_msg; /* USER CODE END 0 */ UART_HandleTypeDef huart1; UART_HandleTypeDef huart2; UART_HandleTypeDef huart3; UART_HandleTypeDef huart4; /* USART1 init function */ void MX_USART1_UART_Init(void) { huart1.Instance = USART1; huart1.Init.BaudRate = 115200; 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; huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; huart1.Init.ClockPrescaler = UART_PRESCALER_DIV1; huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT; if (HAL_UART_Init(&huart1) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_SetTxFifoThreshold(&huart1, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_SetRxFifoThreshold(&huart1, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK) { Error_Handler(); } if (HAL_UARTEx_DisableFifoMode(&huart1) != HAL_OK) { Error_Handler(); } } /* USART2 init function */ void MX_USART2_UART_Init(void) { 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_UART_Init(&huart2) != 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(); } HAL_UART_Receive_IT(&huart2, &data, 1); } /* USART3 init function */ void MX_USART3_UART_Init(void) { huart3.Instance = USART3; huart3.Init.BaudRate = 9600; 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_UART_Init(&huart3) != HAL_OK) { Error_Handler(); } HAL_UART_Receive_IT(&huart3, &ch20_msg, 1); } /* USART4 init function */ void MX_USART4_UART_Init(void) { huart4.Instance = USART4; 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(); } } void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle) { GPIO_InitTypeDef GPIO_InitStruct = {0}; 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_GPIOC_CLK_ENABLE(); /**USART1 GPIO Configuration PC4 ------> USART1_TX PC5 ------> USART1_RX */ GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF1_USART1; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); /* 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==USART2) { /* USER CODE BEGIN USART2_MspInit 0 */ /* USER CODE END USART2_MspInit 0 */ /* USART2 clock enable */ __HAL_RCC_USART2_CLK_ENABLE(); __HAL_RCC_GPIOA_CLK_ENABLE(); /**USART2 GPIO Configuration PA2 ------> USART2_TX PA3 ------> USART2_RX */ GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF1_USART2; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* USART2 interrupt Init */ HAL_NVIC_SetPriority(USART2_IRQn, 0, 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 */ /* USART3 clock enable */ __HAL_RCC_USART3_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); /**USART3 GPIO Configuration PB8 ------> USART3_TX PB9 ------> 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_LOW; GPIO_InitStruct.Alternate = GPIO_AF4_USART3; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); /* USART3 interrupt Init */ HAL_NVIC_SetPriority(USART3_4_IRQn, 0, 0); HAL_NVIC_EnableIRQ(USART3_4_IRQn); /* USER CODE BEGIN USART3_MspInit 1 */ /* USER CODE END USART3_MspInit 1 */ } else if(uartHandle->Instance==USART4) { /* USER CODE BEGIN USART4_MspInit 0 */ /* USER CODE END USART4_MspInit 0 */ /* USART4 clock enable */ __HAL_RCC_USART4_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); /**USART4 GPIO Configuration PC11 ------> USART4_RX PC10 ------> USART4_TX */ GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_10; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF1_USART4; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); /* USART4 interrupt Init */ HAL_NVIC_SetPriority(USART3_4_IRQn, 0, 0); HAL_NVIC_EnableIRQ(USART3_4_IRQn); /* USER CODE BEGIN USART4_MspInit 1 */ /* USER CODE END USART4_MspInit 1 */ } } void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle) { 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 PC4 ------> USART1_TX PC5 ------> USART1_RX */ HAL_GPIO_DeInit(GPIOC, GPIO_PIN_4|GPIO_PIN_5); /* USART1 interrupt Deinit */ HAL_NVIC_DisableIRQ(USART1_IRQn); /* USER CODE BEGIN USART1_MspDeInit 1 */ /* USER CODE END USART1_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 PA2 ------> USART2_TX PA3 ------> USART2_RX */ HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3); /* 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 PB8 ------> USART3_TX PB9 ------> USART3_RX */ HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8|GPIO_PIN_9); /* USART3 interrupt Deinit */ /* USER CODE BEGIN USART3:USART3_4_IRQn disable */ /** * Uncomment the line below to disable the "USART3_4_IRQn" interrupt * Be aware, disabling shared interrupt may affect other IPs */ /* HAL_NVIC_DisableIRQ(USART3_4_IRQn); */ /* USER CODE END USART3:USART3_4_IRQn disable */ /* USER CODE BEGIN USART3_MspDeInit 1 */ /* USER CODE END USART3_MspDeInit 1 */ } else if(uartHandle->Instance==USART4) { /* USER CODE BEGIN USART4_MspDeInit 0 */ /* USER CODE END USART4_MspDeInit 0 */ /* Peripheral clock disable */ __HAL_RCC_USART4_CLK_DISABLE(); /**USART4 GPIO Configuration PC11 ------> USART4_RX PC10 ------> USART4_TX */ HAL_GPIO_DeInit(GPIOC, GPIO_PIN_11|GPIO_PIN_10); /* USART4 interrupt Deinit */ /* USER CODE BEGIN USART4:USART3_4_IRQn disable */ /** * Uncomment the line below to disable the "USART3_4_IRQn" interrupt * Be aware, disabling shared interrupt may affect other IPs */ /* HAL_NVIC_DisableIRQ(USART3_4_IRQn); */ /* USER CODE END USART4:USART3_4_IRQn disable */ /* USER CODE BEGIN USART4_MspDeInit 1 */ /* USER CODE END USART4_MspDeInit 1 */ } } /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/