diff options
Diffstat (limited to 'Core/Src/usart.c')
| -rw-r--r-- | Core/Src/usart.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/Core/Src/usart.c b/Core/Src/usart.c new file mode 100644 index 0000000..e6948fb --- /dev/null +++ b/Core/Src/usart.c @@ -0,0 +1,108 @@ +/**
+ ******************************************************************************
+ * @file usart.c
+ * @brief This file provides code for the configuration
+ * of the USART instances.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© Copyright (c) 2021 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usart.h"
+
+/* USER CODE BEGIN 0 */
+
+/* USER CODE END 0 */
+
+UART_HandleTypeDef huart2;
+
+/* USART2 init function */
+
+void MX_USART2_UART_Init(void)
+{
+
+ huart2.Instance = USART2;
+ huart2.Init.BaudRate = 115200;
+ huart2.Init.WordLength = UART_WORDLENGTH_8B;
+ huart2.Init.StopBits = UART_STOPBITS_1;
+ huart2.Init.Parity = UART_PARITY_NONE;
+ huart2.Init.Mode = UART_MODE_TX_RX;
+ huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
+ huart2.Init.OverSampling = UART_OVERSAMPLING_16;
+ huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
+ huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
+ if (HAL_UART_Init(&huart2) != HAL_OK)
+ {
+ Error_Handler();
+ }
+
+}
+
+void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
+{
+
+ GPIO_InitTypeDef GPIO_InitStruct = {0};
+ if(uartHandle->Instance==USART2)
+ {
+ /* USER CODE BEGIN USART2_MspInit 0 */
+
+ /* USER CODE END USART2_MspInit 0 */
+ /* USART2 clock enable */
+ __HAL_RCC_USART2_CLK_ENABLE();
+
+ __HAL_RCC_GPIOA_CLK_ENABLE();
+ /**USART2 GPIO Configuration
+ PA2 ------> USART2_TX
+ PA3 ------> USART2_RX
+ */
+ GPIO_InitStruct.Pin = USART_TX_Pin|USART_RX_Pin;
+ GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+ GPIO_InitStruct.Pull = GPIO_NOPULL;
+ GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+ GPIO_InitStruct.Alternate = GPIO_AF4_USART2;
+ HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+ /* USER CODE BEGIN USART2_MspInit 1 */
+
+ /* USER CODE END USART2_MspInit 1 */
+ }
+}
+
+void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
+{
+
+ if(uartHandle->Instance==USART2)
+ {
+ /* USER CODE BEGIN USART2_MspDeInit 0 */
+
+ /* USER CODE END USART2_MspDeInit 0 */
+ /* Peripheral clock disable */
+ __HAL_RCC_USART2_CLK_DISABLE();
+
+ /**USART2 GPIO Configuration
+ PA2 ------> USART2_TX
+ PA3 ------> USART2_RX
+ */
+ HAL_GPIO_DeInit(GPIOA, USART_TX_Pin|USART_RX_Pin);
+
+ /* USER CODE BEGIN USART2_MspDeInit 1 */
+
+ /* USER CODE END USART2_MspDeInit 1 */
+ }
+}
+
+/* USER CODE BEGIN 1 */
+
+/* USER CODE END 1 */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|