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  1. /* USER CODE BEGIN Header */
  2. /**
  3. ******************************************************************************
  4. * @file usart.c
  5. * @brief This file provides code for the configuration
  6. * of the USART instances.
  7. ******************************************************************************
  8. * @attention
  9. *
  10. * Copyright (c) 2023 STMicroelectronics.
  11. * All rights reserved.
  12. *
  13. * This software is licensed under terms that can be found in the LICENSE file
  14. * in the root directory of this software component.
  15. * If no LICENSE file comes with this software, it is provided AS-IS.
  16. *
  17. ******************************************************************************
  18. */
  19. /* USER CODE END Header */
  20. /* Includes ------------------------------------------------------------------*/
  21. #include "usart.h"
  22. /* USER CODE BEGIN 0 */
  23. /* USER CODE END 0 */
  24. UART_HandleTypeDef huart1;
  25. /* USART1 init function */
  26. void MX_USART1_UART_Init(void)
  27. {
  28. /* USER CODE BEGIN USART1_Init 0 */
  29. /* USER CODE END USART1_Init 0 */
  30. /* USER CODE BEGIN USART1_Init 1 */
  31. /* USER CODE END USART1_Init 1 */
  32. huart1.Instance = USART1;
  33. huart1.Init.BaudRate = 115200;
  34. huart1.Init.WordLength = UART_WORDLENGTH_8B;
  35. huart1.Init.StopBits = UART_STOPBITS_1;
  36. huart1.Init.Parity = UART_PARITY_NONE;
  37. huart1.Init.Mode = UART_MODE_TX_RX;
  38. huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  39. huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  40. if (HAL_UART_Init(&huart1) != HAL_OK)
  41. {
  42. Error_Handler();
  43. }
  44. /* USER CODE BEGIN USART1_Init 2 */
  45. /* USER CODE END USART1_Init 2 */
  46. }
  47. void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
  48. {
  49. GPIO_InitTypeDef GPIO_InitStruct = {0};
  50. if(uartHandle->Instance==USART1)
  51. {
  52. /* USER CODE BEGIN USART1_MspInit 0 */
  53. /* USER CODE END USART1_MspInit 0 */
  54. /* USART1 clock enable */
  55. __HAL_RCC_USART1_CLK_ENABLE();
  56. __HAL_RCC_GPIOA_CLK_ENABLE();
  57. /**USART1 GPIO Configuration
  58. PA9 ------> USART1_TX
  59. PA10 ------> USART1_RX
  60. */
  61. GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10;
  62. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  63. GPIO_InitStruct.Pull = GPIO_NOPULL;
  64. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  65. GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
  66. HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  67. /* USART1 interrupt Init */
  68. HAL_NVIC_SetPriority(USART1_IRQn, 5, 0);
  69. HAL_NVIC_EnableIRQ(USART1_IRQn);
  70. /* USER CODE BEGIN USART1_MspInit 1 */
  71. /* USER CODE END USART1_MspInit 1 */
  72. }
  73. }
  74. void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
  75. {
  76. if(uartHandle->Instance==USART1)
  77. {
  78. /* USER CODE BEGIN USART1_MspDeInit 0 */
  79. /* USER CODE END USART1_MspDeInit 0 */
  80. /* Peripheral clock disable */
  81. __HAL_RCC_USART1_CLK_DISABLE();
  82. /**USART1 GPIO Configuration
  83. PA9 ------> USART1_TX
  84. PA10 ------> USART1_RX
  85. */
  86. HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);
  87. /* USART1 interrupt Deinit */
  88. HAL_NVIC_DisableIRQ(USART1_IRQn);
  89. /* USER CODE BEGIN USART1_MspDeInit 1 */
  90. /* USER CODE END USART1_MspDeInit 1 */
  91. }
  92. }
  93. /* USER CODE BEGIN 1 */
  94. /* USER CODE END 1 */