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  1. /* USER CODE BEGIN Header */
  2. /**
  3.   ******************************************************************************
  4.   * File Name          : stm32f1xx_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) 2019 STMicroelectronics.
  11.   * All rights reserved.</center></h2>
  12.   *
  13.   * This software component is licensed by ST under Ultimate Liberty license
  14.   * SLA0044, the "License"; You may not use this file except in compliance with
  15.   * the License. You may obtain a copy of the License at:
  16.   *                             www.st.com/SLA0044
  17.   *
  18.   ******************************************************************************
  19.   */
  20. /* USER CODE END Header */
  21.  
  22. /* Includes ------------------------------------------------------------------*/
  23. #include "main.h"
  24. /* USER CODE BEGIN Includes */
  25.  
  26. /* USER CODE END Includes */
  27. extern DMA_HandleTypeDef hdma_spi1_tx;
  28.  
  29. /* Private typedef -----------------------------------------------------------*/
  30. /* USER CODE BEGIN TD */
  31.  
  32. /* USER CODE END TD */
  33.  
  34. /* Private define ------------------------------------------------------------*/
  35. /* USER CODE BEGIN Define */
  36.  
  37. /* USER CODE END Define */
  38.  
  39. /* Private macro -------------------------------------------------------------*/
  40. /* USER CODE BEGIN Macro */
  41.  
  42. /* USER CODE END Macro */
  43.  
  44. /* Private variables ---------------------------------------------------------*/
  45. /* USER CODE BEGIN PV */
  46.  
  47. /* USER CODE END PV */
  48.  
  49. /* Private function prototypes -----------------------------------------------*/
  50. /* USER CODE BEGIN PFP */
  51.  
  52. /* USER CODE END PFP */
  53.  
  54. /* External functions --------------------------------------------------------*/
  55. /* USER CODE BEGIN ExternalFunctions */
  56.  
  57. /* USER CODE END ExternalFunctions */
  58.  
  59. /* USER CODE BEGIN 0 */
  60.  
  61. /* USER CODE END 0 */
  62. /**
  63.   * Initializes the Global MSP.
  64.   */
  65. void HAL_MspInit(void)
  66. {
  67.   /* USER CODE BEGIN MspInit 0 */
  68.  
  69.   /* USER CODE END MspInit 0 */
  70.  
  71.   __HAL_RCC_AFIO_CLK_ENABLE();
  72.   __HAL_RCC_PWR_CLK_ENABLE();
  73.  
  74.   /* System interrupt init*/
  75.  
  76.   /** NOJTAG: JTAG-DP Disabled and SW-DP Enabled
  77.   */
  78.   __HAL_AFIO_REMAP_SWJ_NOJTAG();
  79.  
  80.   /* USER CODE BEGIN MspInit 1 */
  81.  
  82.   /* USER CODE END MspInit 1 */
  83. }
  84.  
  85. /**
  86. * @brief SPI MSP Initialization
  87. * This function configures the hardware resources used in this example
  88. * @param hspi: SPI handle pointer
  89. * @retval None
  90. */
  91. void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
  92. {
  93.   GPIO_InitTypeDef GPIO_InitStruct = {0};
  94.   if(hspi->Instance==SPI1)
  95.   {
  96.   /* USER CODE BEGIN SPI1_MspInit 0 */
  97.  
  98.   /* USER CODE END SPI1_MspInit 0 */
  99.     /* Peripheral clock enable */
  100.     __HAL_RCC_SPI1_CLK_ENABLE();
  101.  
  102.     __HAL_RCC_GPIOA_CLK_ENABLE();
  103.     /**SPI1 GPIO Configuration    
  104.     PA5     ------> SPI1_SCK
  105.     PA7     ------> SPI1_MOSI
  106.     */
  107.     GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_7;
  108.     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  109.     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
  110.     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  111.  
  112.     /* SPI1 DMA Init */
  113.     /* SPI1_TX Init */
  114.     hdma_spi1_tx.Instance = DMA1_Channel3;
  115.     hdma_spi1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
  116.     hdma_spi1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
  117.     hdma_spi1_tx.Init.MemInc = DMA_MINC_ENABLE;
  118.     hdma_spi1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
  119.     hdma_spi1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
  120.     hdma_spi1_tx.Init.Mode = DMA_NORMAL;
  121.     hdma_spi1_tx.Init.Priority = DMA_PRIORITY_LOW;
  122.     if (HAL_DMA_Init(&hdma_spi1_tx) != HAL_OK)
  123.     {
  124.       Error_Handler();
  125.     }
  126.  
  127.     __HAL_LINKDMA(hspi,hdmatx,hdma_spi1_tx);
  128.  
  129.   /* USER CODE BEGIN SPI1_MspInit 1 */
  130.  
  131.   /* USER CODE END SPI1_MspInit 1 */
  132.   }
  133.  
  134. }
  135.  
  136. /**
  137. * @brief SPI MSP De-Initialization
  138. * This function freeze the hardware resources used in this example
  139. * @param hspi: SPI handle pointer
  140. * @retval None
  141. */
  142. void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi)
  143. {
  144.   if(hspi->Instance==SPI1)
  145.   {
  146.   /* USER CODE BEGIN SPI1_MspDeInit 0 */
  147.  
  148.   /* USER CODE END SPI1_MspDeInit 0 */
  149.     /* Peripheral clock disable */
  150.     __HAL_RCC_SPI1_CLK_DISABLE();
  151.  
  152.     /**SPI1 GPIO Configuration    
  153.     PA5     ------> SPI1_SCK
  154.     PA7     ------> SPI1_MOSI
  155.     */
  156.     HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_7);
  157.  
  158.     /* SPI1 DMA DeInit */
  159.     HAL_DMA_DeInit(hspi->hdmatx);
  160.   /* USER CODE BEGIN SPI1_MspDeInit 1 */
  161.  
  162.   /* USER CODE END SPI1_MspDeInit 1 */
  163.   }
  164.  
  165. }
  166.  
  167. /**
  168. * @brief UART MSP Initialization
  169. * This function configures the hardware resources used in this example
  170. * @param huart: UART handle pointer
  171. * @retval None
  172. */
  173. void HAL_UART_MspInit(UART_HandleTypeDef* huart)
  174. {
  175.   GPIO_InitTypeDef GPIO_InitStruct = {0};
  176.   if(huart->Instance==USART1)
  177.   {
  178.   /* USER CODE BEGIN USART1_MspInit 0 */
  179.  
  180.   /* USER CODE END USART1_MspInit 0 */
  181.     /* Peripheral clock enable */
  182.     __HAL_RCC_USART1_CLK_ENABLE();
  183.  
  184.     __HAL_RCC_GPIOA_CLK_ENABLE();
  185.     /**USART1 GPIO Configuration    
  186.     PA9     ------> USART1_TX
  187.     PA10     ------> USART1_RX
  188.     */
  189.     GPIO_InitStruct.Pin = GPIO_PIN_9;
  190.     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  191.     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
  192.     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  193.  
  194.     GPIO_InitStruct.Pin = GPIO_PIN_10;
  195.     GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  196.     GPIO_InitStruct.Pull = GPIO_NOPULL;
  197.     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  198.  
  199.   /* USER CODE BEGIN USART1_MspInit 1 */
  200.  
  201.   /* USER CODE END USART1_MspInit 1 */
  202.   }
  203.  
  204. }
  205.  
  206. /**
  207. * @brief UART MSP De-Initialization
  208. * This function freeze the hardware resources used in this example
  209. * @param huart: UART handle pointer
  210. * @retval None
  211. */
  212. void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
  213. {
  214.   if(huart->Instance==USART1)
  215.   {
  216.   /* USER CODE BEGIN USART1_MspDeInit 0 */
  217.  
  218.   /* USER CODE END USART1_MspDeInit 0 */
  219.     /* Peripheral clock disable */
  220.     __HAL_RCC_USART1_CLK_DISABLE();
  221.  
  222.     /**USART1 GPIO Configuration    
  223.     PA9     ------> USART1_TX
  224.     PA10     ------> USART1_RX
  225.     */
  226.     HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);
  227.  
  228.   /* USER CODE BEGIN USART1_MspDeInit 1 */
  229.  
  230.   /* USER CODE END USART1_MspDeInit 1 */
  231.   }
  232.  
  233. }
  234.  
  235. /* USER CODE BEGIN 1 */
  236.  
  237. /* USER CODE END 1 */
  238.  
  239. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  240.