190 lines
5.3 KiB
C
190 lines
5.3 KiB
C
/**
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******************************************************************************
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* File Name : USART.c
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* Description : 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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* <h2><center>© Copyright (c) 2019 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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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 ch;
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/* USER CODE END 0 */
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UART_HandleTypeDef huart1;
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UART_HandleTypeDef huart2;
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/* USART1 init function */
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void MX_USART1_UART_Init(void)
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{
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huart1.Instance = USART1;
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huart1.Init.BaudRate = 9600;
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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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HAL_UART_Receive_IT(&huart1, &ch, 1);
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}
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/* USART2 init function */
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void MX_USART2_UART_Init(void)
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{
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huart2.Instance = USART2;
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huart2.Init.BaudRate = 115200;
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huart2.Init.WordLength = UART_WORDLENGTH_8B;
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huart2.Init.StopBits = UART_STOPBITS_1;
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huart2.Init.Parity = UART_PARITY_NONE;
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huart2.Init.Mode = UART_MODE_TX_RX;
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huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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huart2.Init.OverSampling = UART_OVERSAMPLING_16;
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huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
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huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
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if (HAL_UART_Init(&huart2) != HAL_OK)
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{
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Error_Handler();
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}
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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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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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/* 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_AF4_USART1;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* USART1 interrupt Init */
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HAL_NVIC_SetPriority(USART1_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(USART1_IRQn);
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/* USER CODE BEGIN USART1_MspInit 1 */
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/* USER CODE END USART1_MspInit 1 */
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}
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else if(uartHandle->Instance==USART2)
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{
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/* USER CODE BEGIN USART2_MspInit 0 */
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/* USER CODE END USART2_MspInit 0 */
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/* USART2 clock enable */
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__HAL_RCC_USART2_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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/**USART2 GPIO Configuration
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PA2 ------> USART2_TX
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PA3 ------> USART2_RX
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*/
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GPIO_InitStruct.Pin = USART_TX_Pin|USART_RX_Pin;
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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_AF4_USART2;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* USART2 interrupt Init */
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HAL_NVIC_SetPriority(USART2_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(USART2_IRQn);
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/* USER CODE BEGIN USART2_MspInit 1 */
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/* USER CODE END USART2_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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/* USART1 interrupt Deinit */
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HAL_NVIC_DisableIRQ(USART1_IRQn);
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/* USER CODE BEGIN USART1_MspDeInit 1 */
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/* USER CODE END USART1_MspDeInit 1 */
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}
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else if(uartHandle->Instance==USART2)
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{
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/* USER CODE BEGIN USART2_MspDeInit 0 */
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/* USER CODE END USART2_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_USART2_CLK_DISABLE();
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/**USART2 GPIO Configuration
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PA2 ------> USART2_TX
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PA3 ------> USART2_RX
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*/
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HAL_GPIO_DeInit(GPIOA, USART_TX_Pin|USART_RX_Pin);
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/* USART2 interrupt Deinit */
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HAL_NVIC_DisableIRQ(USART2_IRQn);
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/* USER CODE BEGIN USART2_MspDeInit 1 */
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/* USER CODE END USART2_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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//extern void g_ring_buf(uint8_t in_data);
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void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
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{
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if (huart== &huart1) {
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HAL_UART_Receive_IT(&huart1, &ch, 1);
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//g_ring_buf(ch);
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}
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}
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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