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stm32l1xx_hal_msp.c 5.5KB

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  1. /* USER CODE BEGIN Header */
  2. /**
  3. ******************************************************************************
  4. * File Name : stm32l1xx_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_COMP_CLK_ENABLE();
  53. __HAL_RCC_SYSCFG_CLK_ENABLE();
  54. __HAL_RCC_PWR_CLK_ENABLE();
  55. HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_0);
  56. /* System interrupt init*/
  57. /* USER CODE BEGIN MspInit 1 */
  58. /* USER CODE END MspInit 1 */
  59. }
  60. /**
  61. * @brief SPI MSP Initialization
  62. * This function configures the hardware resources used in this example
  63. * @param hspi: SPI handle pointer
  64. * @retval None
  65. */
  66. void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
  67. {
  68. GPIO_InitTypeDef GPIO_InitStruct = {0};
  69. if(hspi->Instance==SPI1)
  70. {
  71. /* USER CODE BEGIN SPI1_MspInit 0 */
  72. /* USER CODE END SPI1_MspInit 0 */
  73. /* Peripheral clock enable */
  74. __HAL_RCC_SPI1_CLK_ENABLE();
  75. __HAL_RCC_GPIOA_CLK_ENABLE();
  76. /**SPI1 GPIO Configuration
  77. PA5 ------> SPI1_SCK
  78. PA6 ------> SPI1_MISO
  79. PA7 ------> SPI1_MOSI
  80. */
  81. GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
  82. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  83. GPIO_InitStruct.Pull = GPIO_NOPULL;
  84. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  85. GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
  86. HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  87. /* USER CODE BEGIN SPI1_MspInit 1 */
  88. /* USER CODE END SPI1_MspInit 1 */
  89. }
  90. }
  91. /**
  92. * @brief SPI MSP De-Initialization
  93. * This function freeze the hardware resources used in this example
  94. * @param hspi: SPI handle pointer
  95. * @retval None
  96. */
  97. void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
  98. {
  99. if(hspi->Instance==SPI1)
  100. {
  101. /* USER CODE BEGIN SPI1_MspDeInit 0 */
  102. /* USER CODE END SPI1_MspDeInit 0 */
  103. /* Peripheral clock disable */
  104. __HAL_RCC_SPI1_CLK_DISABLE();
  105. /**SPI1 GPIO Configuration
  106. PA5 ------> SPI1_SCK
  107. PA6 ------> SPI1_MISO
  108. PA7 ------> SPI1_MOSI
  109. */
  110. HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7);
  111. /* USER CODE BEGIN SPI1_MspDeInit 1 */
  112. /* USER CODE END SPI1_MspDeInit 1 */
  113. }
  114. }
  115. /**
  116. * @brief UART MSP Initialization
  117. * This function configures the hardware resources used in this example
  118. * @param huart: UART handle pointer
  119. * @retval None
  120. */
  121. void HAL_UART_MspInit(UART_HandleTypeDef* huart)
  122. {
  123. GPIO_InitTypeDef GPIO_InitStruct = {0};
  124. if(huart->Instance==USART2)
  125. {
  126. /* USER CODE BEGIN USART2_MspInit 0 */
  127. /* USER CODE END USART2_MspInit 0 */
  128. /* Peripheral clock enable */
  129. __HAL_RCC_USART2_CLK_ENABLE();
  130. __HAL_RCC_GPIOA_CLK_ENABLE();
  131. /**USART2 GPIO Configuration
  132. PA2 ------> USART2_TX
  133. PA3 ------> USART2_RX
  134. */
  135. GPIO_InitStruct.Pin = USART_TX_Pin|USART_RX_Pin;
  136. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  137. GPIO_InitStruct.Pull = GPIO_NOPULL;
  138. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  139. GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
  140. HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  141. /* USER CODE BEGIN USART2_MspInit 1 */
  142. /* USER CODE END USART2_MspInit 1 */
  143. }
  144. }
  145. /**
  146. * @brief UART MSP De-Initialization
  147. * This function freeze the hardware resources used in this example
  148. * @param huart: UART handle pointer
  149. * @retval None
  150. */
  151. void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
  152. {
  153. if(huart->Instance==USART2)
  154. {
  155. /* USER CODE BEGIN USART2_MspDeInit 0 */
  156. /* USER CODE END USART2_MspDeInit 0 */
  157. /* Peripheral clock disable */
  158. __HAL_RCC_USART2_CLK_DISABLE();
  159. /**USART2 GPIO Configuration
  160. PA2 ------> USART2_TX
  161. PA3 ------> USART2_RX
  162. */
  163. HAL_GPIO_DeInit(GPIOA, USART_TX_Pin|USART_RX_Pin);
  164. /* USER CODE BEGIN USART2_MspDeInit 1 */
  165. /* USER CODE END USART2_MspDeInit 1 */
  166. }
  167. }
  168. /* USER CODE BEGIN 1 */
  169. /* USER CODE END 1 */
  170. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/