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201 lines
6.1 KiB
201 lines
6.1 KiB
7 years ago
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/**
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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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** This notice applies to any and all portions of this file
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* that are not between comment pairs USER CODE BEGIN and
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* USER CODE END. Other portions of this file, whether
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* inserted by the user or by software development tools
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* are owned by their respective copyright owners.
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*
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* COPYRIGHT(c) 2017 STMicroelectronics
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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#include "gpio.h"
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/* USER CODE BEGIN 0 */
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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 = 115200;
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huart1.Init.WordLength = UART_WORDLENGTH_7B;
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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(__FILE__, __LINE__);
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}
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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_7B;
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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(__FILE__, __LINE__);
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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;
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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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/**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_PULLUP;
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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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/* 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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/**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_PULLUP;
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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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/* 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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/* 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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/* 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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/* USER CODE END 1 */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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