stm32h7xx_hal_msp.c 4.0 KB

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  1. /* USER CODE BEGIN Header */
  2. /**
  3. ******************************************************************************
  4. * @file stm32h7xx_hal_msp.c
  5. * @brief This file provides code for the MSP Initialization
  6. * and de-Initialization codes.
  7. ******************************************************************************
  8. * @attention
  9. *
  10. * Copyright (c) 2024 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 "main.h"
  22. /* USER CODE BEGIN Includes */
  23. /* USER CODE END Includes */
  24. /* Private typedef -----------------------------------------------------------*/
  25. /* USER CODE BEGIN TD */
  26. /* USER CODE END TD */
  27. /* Private define ------------------------------------------------------------*/
  28. /* USER CODE BEGIN Define */
  29. /* USER CODE END Define */
  30. /* Private macro -------------------------------------------------------------*/
  31. /* USER CODE BEGIN Macro */
  32. /* USER CODE END Macro */
  33. /* Private variables ---------------------------------------------------------*/
  34. /* USER CODE BEGIN PV */
  35. /* USER CODE END PV */
  36. /* Private function prototypes -----------------------------------------------*/
  37. /* USER CODE BEGIN PFP */
  38. /* USER CODE END PFP */
  39. /* External functions --------------------------------------------------------*/
  40. /* USER CODE BEGIN ExternalFunctions */
  41. /* USER CODE END ExternalFunctions */
  42. /* USER CODE BEGIN 0 */
  43. /* USER CODE END 0 */
  44. /**
  45. * Initializes the Global MSP.
  46. */
  47. void HAL_MspInit(void)
  48. {
  49. /* USER CODE BEGIN MspInit 0 */
  50. /* USER CODE END MspInit 0 */
  51. __HAL_RCC_SYSCFG_CLK_ENABLE();
  52. /* System interrupt init*/
  53. /* USER CODE BEGIN MspInit 1 */
  54. /* USER CODE END MspInit 1 */
  55. }
  56. /**
  57. * @brief UART MSP Initialization
  58. * This function configures the hardware resources used in this example
  59. * @param huart: UART handle pointer
  60. * @retval None
  61. */
  62. void HAL_UART_MspInit(UART_HandleTypeDef* huart)
  63. {
  64. GPIO_InitTypeDef GPIO_InitStruct = {0};
  65. RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
  66. if(huart->Instance==USART3)
  67. {
  68. /* USER CODE BEGIN USART3_MspInit 0 */
  69. /* USER CODE END USART3_MspInit 0 */
  70. /** Initializes the peripherals clock
  71. */
  72. PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART3;
  73. PeriphClkInitStruct.Usart234578ClockSelection = RCC_USART234578CLKSOURCE_D2PCLK1;
  74. if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
  75. {
  76. /*Error_Handler();*/
  77. }
  78. /* Peripheral clock enable */
  79. __HAL_RCC_USART3_CLK_ENABLE();
  80. __HAL_RCC_GPIOD_CLK_ENABLE();
  81. /**USART3 GPIO Configuration
  82. PD8 ------> USART3_TX
  83. PD9 ------> USART3_RX
  84. */
  85. GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
  86. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  87. GPIO_InitStruct.Pull = GPIO_NOPULL;
  88. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  89. GPIO_InitStruct.Alternate = GPIO_AF7_USART3;
  90. HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
  91. /* USER CODE BEGIN USART3_MspInit 1 */
  92. /* USER CODE END USART3_MspInit 1 */
  93. }
  94. }
  95. /**
  96. * @brief UART MSP De-Initialization
  97. * This function freeze the hardware resources used in this example
  98. * @param huart: UART handle pointer
  99. * @retval None
  100. */
  101. void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
  102. {
  103. if(huart->Instance==USART3)
  104. {
  105. /* USER CODE BEGIN USART3_MspDeInit 0 */
  106. /* USER CODE END USART3_MspDeInit 0 */
  107. /* Peripheral clock disable */
  108. __HAL_RCC_USART3_CLK_DISABLE();
  109. /**USART3 GPIO Configuration
  110. PD8 ------> USART3_TX
  111. PD9 ------> USART3_RX
  112. */
  113. HAL_GPIO_DeInit(GPIOD, GPIO_PIN_8|GPIO_PIN_9);
  114. /* USER CODE BEGIN USART3_MspDeInit 1 */
  115. /* USER CODE END USART3_MspDeInit 1 */
  116. }
  117. }
  118. /* USER CODE BEGIN 1 */
  119. /* USER CODE END 1 */