| 1 | /**
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| 2 | ******************************************************************************
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| 3 | * @file usart.c
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| 4 | * @brief This file provides code for the configuration
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| 5 | * of the USART instances.
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| 6 | ******************************************************************************
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| 7 | * @attention
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| 8 | *
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| 9 | * <h2><center>© Copyright (c) 2021 STMicroelectronics.
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| 10 | * All rights reserved.</center></h2>
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| 11 | *
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| 12 | * This software component is licensed by ST under Ultimate Liberty license
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| 13 | * SLA0044, the "License"; You may not use this file except in compliance with
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| 14 | * the License. You may obtain a copy of the License at:
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| 15 | * www.st.com/SLA0044
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| 16 | *
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| 17 | ******************************************************************************
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| 18 | */
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| 19 |
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| 20 | /* Includes ------------------------------------------------------------------*/
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| 21 | #include "usart.h"
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| 22 |
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| 23 | /* USER CODE BEGIN 0 */
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| 24 |
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| 25 | /* USER CODE END 0 */
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| 26 |
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| 27 | UART_HandleTypeDef huart2;
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| 28 |
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| 29 | /* USART2 init function */
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| 30 |
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| 31 | void MX_USART2_UART_Init(void)
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| 32 | {
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| 33 |
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| 34 | /* USER CODE BEGIN USART2_Init 0 */
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| 35 |
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| 36 | /* USER CODE END USART2_Init 0 */
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| 37 |
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| 38 | /* USER CODE BEGIN USART2_Init 1 */
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| 39 |
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| 40 | /* USER CODE END USART2_Init 1 */
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| 41 | huart2.Instance = USART2;
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| 42 | huart2.Init.BaudRate = 115200;
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| 43 | huart2.Init.WordLength = UART_WORDLENGTH_8B;
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| 44 | huart2.Init.StopBits = UART_STOPBITS_1;
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| 45 | huart2.Init.Parity = UART_PARITY_NONE;
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| 46 | huart2.Init.Mode = UART_MODE_TX_RX;
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| 47 | huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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| 48 | huart2.Init.OverSampling = UART_OVERSAMPLING_16;
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| 49 | if (HAL_UART_Init(&huart2) != HAL_OK)
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| 50 | {
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| 51 | Error_Handler();
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| 52 | }
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| 53 | /* USER CODE BEGIN USART2_Init 2 */
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| 54 |
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| 55 | /* USER CODE END USART2_Init 2 */
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| 56 |
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| 57 | }
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| 58 |
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| 59 | void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
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| 60 | {
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| 61 |
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| 62 | GPIO_InitTypeDef GPIO_InitStruct = {0};
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| 63 | if(uartHandle->Instance==USART2)
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| 64 | {
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| 65 | /* USER CODE BEGIN USART2_MspInit 0 */
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| 66 |
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| 67 | /* USER CODE END USART2_MspInit 0 */
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| 68 | /* USART2 clock enable */
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| 69 | __HAL_RCC_USART2_CLK_ENABLE();
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| 70 |
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| 71 | __HAL_RCC_GPIOD_CLK_ENABLE();
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| 72 | /**USART2 GPIO Configuration
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| 73 | PD5 ------> USART2_TX
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| 74 | PD6 ------> USART2_RX
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| 75 | */
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| 76 | GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6;
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| 77 | GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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| 78 | GPIO_InitStruct.Pull = GPIO_NOPULL;
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| 79 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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| 80 | GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
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| 81 | HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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| 82 |
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| 83 | /* USER CODE BEGIN USART2_MspInit 1 */
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| 84 | huart2.Instance->CR1 |= USART_CR1_RXNEIE; // RXNEIE
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| 85 | NVIC_EnableIRQ(USART2_IRQn);
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| 86 | NVIC_SetPriority(USART2_IRQn, 5);
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| 87 | /* USER CODE END USART2_MspInit 1 */
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| 88 | }
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| 89 | }
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| 90 |
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| 91 | void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
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| 92 | {
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| 93 |
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| 94 | if(uartHandle->Instance==USART2)
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| 95 | {
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| 96 | /* USER CODE BEGIN USART2_MspDeInit 0 */
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| 97 |
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| 98 | /* USER CODE END USART2_MspDeInit 0 */
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| 99 | /* Peripheral clock disable */
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| 100 | __HAL_RCC_USART2_CLK_DISABLE();
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| 101 |
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| 102 | /**USART2 GPIO Configuration
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| 103 | PD5 ------> USART2_TX
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| 104 | PD6 ------> USART2_RX
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| 105 | */
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| 106 | HAL_GPIO_DeInit(GPIOD, GPIO_PIN_5|GPIO_PIN_6);
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| 107 |
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| 108 | /* USER CODE BEGIN USART2_MspDeInit 1 */
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| 109 | huart2.Instance->CR1 &= USART_CR1_RXNEIE; // RXNEIE
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| 110 | NVIC_DisableIRQ(USART2_IRQn);
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| 111 | /* USER CODE END USART2_MspDeInit 1 */
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| 112 | }
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| 113 | }
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| 114 |
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| 115 | /* USER CODE BEGIN 1 */
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| 116 |
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| 117 | /* USER CODE END 1 */
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| 118 |
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| 119 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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