stm32f4xx_hal_msp.c 3.9 KB

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  1. /* USER CODE BEGIN Header */
  2. /**
  3. ******************************************************************************
  4. * File Name : stm32f4xx_hal_msp.c
  5. * Description : This file provides code for the MSP Initialization
  6. * and de-Initialization codes.
  7. ******************************************************************************
  8. * @attention
  9. *
  10. * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
  11. * All rights reserved.</center></h2>
  12. *
  13. * This software component is licensed by ST under BSD 3-Clause license,
  14. * the "License"; You may not use this file except in compliance with the
  15. * License. You may obtain a copy of the License at:
  16. * opensource.org/licenses/BSD-3-Clause
  17. *
  18. ******************************************************************************
  19. */
  20. /* USER CODE END Header */
  21. /* Includes ------------------------------------------------------------------*/
  22. #include "main.h"
  23. /* USER CODE BEGIN Includes */
  24. /* USER CODE END Includes */
  25. /* Private typedef -----------------------------------------------------------*/
  26. /* USER CODE BEGIN TD */
  27. /* USER CODE END TD */
  28. /* Private define ------------------------------------------------------------*/
  29. /* USER CODE BEGIN Define */
  30. /* USER CODE END Define */
  31. /* Private macro -------------------------------------------------------------*/
  32. /* USER CODE BEGIN Macro */
  33. /* USER CODE END Macro */
  34. /* Private variables ---------------------------------------------------------*/
  35. /* USER CODE BEGIN PV */
  36. /* USER CODE END PV */
  37. /* Private function prototypes -----------------------------------------------*/
  38. /* USER CODE BEGIN PFP */
  39. /* USER CODE END PFP */
  40. /* External functions --------------------------------------------------------*/
  41. /* USER CODE BEGIN ExternalFunctions */
  42. /* USER CODE END ExternalFunctions */
  43. /* USER CODE BEGIN 0 */
  44. /* USER CODE END 0 */
  45. /**
  46. * Initializes the Global MSP.
  47. */
  48. void HAL_MspInit(void)
  49. {
  50. /* USER CODE BEGIN MspInit 0 */
  51. /* USER CODE END MspInit 0 */
  52. __HAL_RCC_SYSCFG_CLK_ENABLE();
  53. __HAL_RCC_PWR_CLK_ENABLE();
  54. HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_0);
  55. /* System interrupt init*/
  56. /* USER CODE BEGIN MspInit 1 */
  57. /* USER CODE END MspInit 1 */
  58. }
  59. /**
  60. * @brief UART MSP Initialization
  61. * This function configures the hardware resources used in this example
  62. * @param huart: UART handle pointer
  63. * @retval None
  64. */
  65. void HAL_UART_MspInit(UART_HandleTypeDef* huart)
  66. {
  67. GPIO_InitTypeDef GPIO_InitStruct = {0};
  68. if(huart->Instance==USART2)
  69. {
  70. /* USER CODE BEGIN USART2_MspInit 0 */
  71. /* USER CODE END USART2_MspInit 0 */
  72. /* Peripheral clock enable */
  73. __HAL_RCC_USART2_CLK_ENABLE();
  74. __HAL_RCC_GPIOA_CLK_ENABLE();
  75. /**USART2 GPIO Configuration
  76. PA2 ------> USART2_TX
  77. PA3 ------> USART2_RX
  78. */
  79. GPIO_InitStruct.Pin = USART_TX_Pin|USART_RX_Pin;
  80. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  81. GPIO_InitStruct.Pull = GPIO_PULLUP;
  82. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  83. GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
  84. HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  85. /* USER CODE BEGIN USART2_MspInit 1 */
  86. /* USER CODE END USART2_MspInit 1 */
  87. }
  88. }
  89. /**
  90. * @brief UART MSP De-Initialization
  91. * This function freeze the hardware resources used in this example
  92. * @param huart: UART handle pointer
  93. * @retval None
  94. */
  95. void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
  96. {
  97. if(huart->Instance==USART2)
  98. {
  99. /* USER CODE BEGIN USART2_MspDeInit 0 */
  100. /* USER CODE END USART2_MspDeInit 0 */
  101. /* Peripheral clock disable */
  102. __HAL_RCC_USART2_CLK_DISABLE();
  103. /**USART2 GPIO Configuration
  104. PA2 ------> USART2_TX
  105. PA3 ------> USART2_RX
  106. */
  107. HAL_GPIO_DeInit(GPIOA, USART_TX_Pin|USART_RX_Pin);
  108. /* USER CODE BEGIN USART2_MspDeInit 1 */
  109. /* USER CODE END USART2_MspDeInit 1 */
  110. }
  111. }
  112. /* USER CODE BEGIN 1 */
  113. /* USER CODE END 1 */
  114. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/