106 lines
3.0 KiB
C
106 lines
3.0 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) 2024 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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/* USER CODE END 0 */
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UART_HandleTypeDef huart1;
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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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/* 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 = MODBUS_SPEED;
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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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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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/* USER CODE END USART1_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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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_GPIOB_CLK_ENABLE();
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__HAL_RCC_USART1_CLK_ENABLE();
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/* GPIO initialization
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PB04:TX,
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PB05:RX
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*/
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/* Íàñòðîéêà ïèíà GPIO_PIN_4 */
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GPIOB->MODER &= ~(GPIO_MODER_MODE4);
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GPIOB->MODER |= (GPIO_MODE_AF_PP << GPIO_MODER_MODE4_Pos);
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GPIOB->PUPDR &= ~(GPIO_PUPDR_PUPD4);
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GPIOB->PUPDR |= (GPIO_PULLUP << GPIO_PUPDR_PUPD4_Pos);
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GPIOB->OSPEEDR |= (GPIO_SPEED_FREQ_HIGH << GPIO_OSPEEDR_OSPEED4_Pos);
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GPIOB->AFR[0] &= ~(0xF << GPIO_AFRL_AFSEL4_Pos);
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GPIOB->AFR[0] |= (GPIO_AF1_USART1 << GPIO_AFRL_AFSEL4_Pos);
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/* Íàñòðîéêà ïèíà GPIO_PIN_5 */
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GPIOB->MODER &= ~(GPIO_MODER_MODE5);
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GPIOB->MODER |= (GPIO_MODE_AF_PP << GPIO_MODER_MODE5_Pos);
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GPIOB->PUPDR &= ~(GPIO_PUPDR_PUPD5);
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GPIOB->PUPDR |= (GPIO_PULLUP << GPIO_PUPDR_PUPD5_Pos);
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GPIOB->OSPEEDR |= (GPIO_SPEED_FREQ_HIGH << GPIO_OSPEEDR_OSPEED5_Pos);
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GPIOB->AFR[0] &= ~(0xF << GPIO_AFRL_AFSEL5_Pos);
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GPIOB->AFR[0] |= (GPIO_AF1_USART1 << GPIO_AFRL_AFSEL5_Pos);
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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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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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