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stm32wlxx_hal_msp.c 4.1 KB

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  1. /* USER CODE BEGIN Header */
  2. /**
  3. ******************************************************************************
  4. * @file stm32wlxx_hal_msp.c
  5. * @brief This file provides code for the MSP Initialization
  6. * and de-Initialization codes.
  7. ******************************************************************************
  8. * @attention
  9. *
  10. * <h2><center>&copy; Copyright (c) 2021 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. #include "drv_common.h"
  25. /* USER CODE END Includes */
  26. /* Private typedef -----------------------------------------------------------*/
  27. /* USER CODE BEGIN TD */
  28. /* USER CODE END TD */
  29. /* Private define ------------------------------------------------------------*/
  30. /* USER CODE BEGIN Define */
  31. /* USER CODE END Define */
  32. /* Private macro -------------------------------------------------------------*/
  33. /* USER CODE BEGIN Macro */
  34. /* USER CODE END Macro */
  35. /* Private variables ---------------------------------------------------------*/
  36. /* USER CODE BEGIN PV */
  37. /* USER CODE END PV */
  38. /* Private function prototypes -----------------------------------------------*/
  39. /* USER CODE BEGIN PFP */
  40. /* USER CODE END PFP */
  41. /* External functions --------------------------------------------------------*/
  42. /* USER CODE BEGIN ExternalFunctions */
  43. /* USER CODE END ExternalFunctions */
  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. /* 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==LPUART1)
  67. {
  68. /* USER CODE BEGIN LPUART1_MspInit 0 */
  69. /* USER CODE END LPUART1_MspInit 0 */
  70. /** Initializes the peripherals clocks
  71. */
  72. PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LPUART1;
  73. PeriphClkInitStruct.Lpuart1ClockSelection = RCC_LPUART1CLKSOURCE_PCLK1;
  74. if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
  75. {
  76. Error_Handler();
  77. }
  78. /* Peripheral clock enable */
  79. __HAL_RCC_LPUART1_CLK_ENABLE();
  80. __HAL_RCC_GPIOA_CLK_ENABLE();
  81. /**LPUART1 GPIO Configuration
  82. PA3 ------> LPUART1_RX
  83. PA2 ------> LPUART1_TX
  84. */
  85. GPIO_InitStruct.Pin = GPIO_PIN_3|GPIO_PIN_2;
  86. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  87. GPIO_InitStruct.Pull = GPIO_PULLUP;
  88. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  89. GPIO_InitStruct.Alternate = GPIO_AF8_LPUART1;
  90. HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  91. /* USER CODE BEGIN LPUART1_MspInit 1 */
  92. /* USER CODE END LPUART1_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==LPUART1)
  104. {
  105. /* USER CODE BEGIN LPUART1_MspDeInit 0 */
  106. /* USER CODE END LPUART1_MspDeInit 0 */
  107. /* Peripheral clock disable */
  108. __HAL_RCC_LPUART1_CLK_DISABLE();
  109. /**LPUART1 GPIO Configuration
  110. PA3 ------> LPUART1_RX
  111. PA2 ------> LPUART1_TX
  112. */
  113. HAL_GPIO_DeInit(GPIOA, GPIO_PIN_3|GPIO_PIN_2);
  114. /* USER CODE BEGIN LPUART1_MspDeInit 1 */
  115. /* USER CODE END LPUART1_MspDeInit 1 */
  116. }
  117. }
  118. /* USER CODE BEGIN 1 */
  119. /* USER CODE END 1 */
  120. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/