217 lines
6.0 KiB
C
217 lines
6.0 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file usart.c
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* @brief This file provides code for the configuration
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* of the USART instances.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2023 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "usart.h"
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/* USER CODE BEGIN 0 */
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uint8_t rx_uart1_buf[1] = {0x00};
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uint8_t rx_uart3_buf[1] = {0x00};
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/* USER CODE END 0 */
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UART_HandleTypeDef huart1;
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UART_HandleTypeDef huart3;
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/* USART1 init function */
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void MX_USART1_UART_Init(int baud)
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{
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/* USER CODE BEGIN USART1_Init 0 */
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/* USER CODE END USART1_Init 0 */
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/* USER CODE BEGIN USART1_Init 1 */
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/* USER CODE END USART1_Init 1 */
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huart1.Instance = USART1;
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huart1.Init.BaudRate = baud;
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huart1.Init.WordLength = UART_WORDLENGTH_8B;
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huart1.Init.StopBits = UART_STOPBITS_1;
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huart1.Init.Parity = UART_PARITY_NONE;
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huart1.Init.Mode = UART_MODE_TX_RX;
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huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart1.Init.OverSampling = UART_OVERSAMPLING_16;
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huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
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huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
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if (HAL_UART_Init(&huart1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN USART1_Init 2 */
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HAL_UART_Receive_IT(&huart1, rx_uart1_buf, 1);
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/* USER CODE END USART1_Init 2 */
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}
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/* USART3 init function */
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void MX_USART3_UART_Init(int baud)
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{
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/* USER CODE BEGIN USART3_Init 0 */
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/* USER CODE END USART3_Init 0 */
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/* USER CODE BEGIN USART3_Init 1 */
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/* USER CODE END USART3_Init 1 */
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huart3.Instance = USART3;
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huart3.Init.BaudRate = baud;
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huart3.Init.WordLength = UART_WORDLENGTH_8B;
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huart3.Init.StopBits = UART_STOPBITS_1;
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huart3.Init.Parity = UART_PARITY_NONE;
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huart3.Init.Mode = UART_MODE_TX_RX;
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huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart3.Init.OverSampling = UART_OVERSAMPLING_16;
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huart3.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
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huart3.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
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if (HAL_UART_Init(&huart3) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN USART3_Init 2 */
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HAL_UART_Receive_IT(&huart3, rx_uart3_buf, 1);
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/* USER CODE END USART3_Init 2 */
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}
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void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
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if(uartHandle->Instance==USART1)
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{
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/* USER CODE BEGIN USART1_MspInit 0 */
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/* USER CODE END USART1_MspInit 0 */
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/** Initializes the peripherals clock
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*/
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
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PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_SYSCLK;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
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{
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Error_Handler();
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}
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/* USART1 clock enable */
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__HAL_RCC_USART1_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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/**USART1 GPIO Configuration
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PA9 ------> USART1_TX
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PA10 ------> USART1_RX
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* USER CODE BEGIN USART1_MspInit 1 */
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HAL_NVIC_SetPriority(USART1_IRQn, 0, 0); //<2F><>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD>0
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HAL_NVIC_EnableIRQ(USART1_IRQn); //ʹ<><CAB9><EFBFBD>ж<EFBFBD>ͨ<EFBFBD><CDA8>
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/* USER CODE END USART1_MspInit 1 */
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}
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else if(uartHandle->Instance==USART3)
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{
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/* USER CODE BEGIN USART3_MspInit 0 */
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/* USER CODE END USART3_MspInit 0 */
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/** Initializes the peripherals clock
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*/
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PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART3;
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PeriphClkInit.Usart3ClockSelection = RCC_USART3CLKSOURCE_SYSCLK;
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if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
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{
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Error_Handler();
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}
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/* USART3 clock enable */
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__HAL_RCC_USART3_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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/**USART3 GPIO Configuration
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PC10 ------> USART3_TX
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PC11 ------> USART3_RX
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF7_USART3;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/* USER CODE BEGIN USART3_MspInit 1 */
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HAL_NVIC_SetPriority(USART3_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(USART3_IRQn);
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/* USER CODE END USART3_MspInit 1 */
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}
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}
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void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
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{
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if(uartHandle->Instance==USART1)
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{
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/* USER CODE BEGIN USART1_MspDeInit 0 */
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/* USER CODE END USART1_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_USART1_CLK_DISABLE();
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/**USART1 GPIO Configuration
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PA9 ------> USART1_TX
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PA10 ------> USART1_RX
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*/
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HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);
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/* USER CODE BEGIN USART1_MspDeInit 1 */
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HAL_NVIC_DisableIRQ(USART1_IRQn);
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/* USER CODE END USART1_MspDeInit 1 */
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}
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else if(uartHandle->Instance==USART3)
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{
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/* USER CODE BEGIN USART3_MspDeInit 0 */
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/* USER CODE END USART3_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_USART3_CLK_DISABLE();
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/**USART3 GPIO Configuration
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PC10 ------> USART3_TX
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PC11 ------> USART3_RX
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*/
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HAL_GPIO_DeInit(GPIOC, GPIO_PIN_10|GPIO_PIN_11);
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/* USER CODE BEGIN USART3_MspDeInit 1 */
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HAL_NVIC_DisableIRQ(USART3_IRQn);
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/* USER CODE END USART3_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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