usart.c 3.0 KB

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  1. /**
  2. ******************************************************************************
  3. * File Name : USART.c
  4. * Description : This file provides code for the configuration
  5. * of the USART instances.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
  10. * All rights reserved.</center></h2>
  11. *
  12. * This software component is licensed by ST under Ultimate Liberty license
  13. * SLA0044, the "License"; You may not use this file except in compliance with
  14. * the License. You may obtain a copy of the License at:
  15. * www.st.com/SLA0044
  16. *
  17. ******************************************************************************
  18. */
  19. /* Includes ------------------------------------------------------------------*/
  20. #include "usart.h"
  21. /* USER CODE BEGIN 0 */
  22. /* USER CODE END 0 */
  23. UART_HandleTypeDef huart1;
  24. /* USART1 init function */
  25. void MX_USART1_UART_Init(void)
  26. {
  27. huart1.Instance = USART1;
  28. huart1.Init.BaudRate = 115200;
  29. huart1.Init.WordLength = UART_WORDLENGTH_8B;
  30. huart1.Init.StopBits = UART_STOPBITS_1;
  31. huart1.Init.Parity = UART_PARITY_NONE;
  32. huart1.Init.Mode = UART_MODE_TX_RX;
  33. huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  34. huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  35. huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  36. huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  37. if (HAL_UART_Init(&huart1) != HAL_OK)
  38. {
  39. Error_Handler();
  40. }
  41. }
  42. void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
  43. {
  44. GPIO_InitTypeDef GPIO_InitStruct = {0};
  45. if(uartHandle->Instance==USART1)
  46. {
  47. /* USER CODE BEGIN USART1_MspInit 0 */
  48. /* USER CODE END USART1_MspInit 0 */
  49. /* USART1 clock enable */
  50. __HAL_RCC_USART1_CLK_ENABLE();
  51. __HAL_RCC_GPIOA_CLK_ENABLE();
  52. /**USART1 GPIO Configuration
  53. PA9 ------> USART1_TX
  54. PA10 ------> USART1_RX
  55. */
  56. GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10;
  57. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  58. GPIO_InitStruct.Pull = GPIO_NOPULL;
  59. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  60. GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
  61. HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  62. /* USER CODE BEGIN USART1_MspInit 1 */
  63. /* USER CODE END USART1_MspInit 1 */
  64. }
  65. }
  66. void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
  67. {
  68. if(uartHandle->Instance==USART1)
  69. {
  70. /* USER CODE BEGIN USART1_MspDeInit 0 */
  71. /* USER CODE END USART1_MspDeInit 0 */
  72. /* Peripheral clock disable */
  73. __HAL_RCC_USART1_CLK_DISABLE();
  74. /**USART1 GPIO Configuration
  75. PA9 ------> USART1_TX
  76. PA10 ------> USART1_RX
  77. */
  78. HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);
  79. /* USER CODE BEGIN USART1_MspDeInit 1 */
  80. /* USER CODE END USART1_MspDeInit 1 */
  81. }
  82. }
  83. /* USER CODE BEGIN 1 */
  84. /* USER CODE END 1 */
  85. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/