dev_spi_sdcard.c 2.9 KB

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  1. /* USER CODE BEGIN Header */
  2. /**
  3. ******************************************************************************
  4. * @file : main.c
  5. * @brief : Main program body
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * <h2><center>&copy; Copyright (c) 2019 STMicroelectronics.
  10. * All rights reserved.</center></h2>
  11. *
  12. * This software component is licensed by ST under BSD 3-Clause license,
  13. * the "License"; You may not use this file except in compliance with the
  14. * License. You may obtain a copy of the License at:
  15. * opensource.org/licenses/BSD-3-Clause
  16. *
  17. ******************************************************************************
  18. */
  19. /* USER CODE END Header */
  20. /* Includes ------------------------------------------------------------------*/
  21. #include "main.h"
  22. #include "dev_spi_sdcard.h"
  23. /* Private includes ----------------------------------------------------------*/
  24. /* USER CODE BEGIN Includes */
  25. /* USER CODE END Includes */
  26. /* Private typedef -----------------------------------------------------------*/
  27. /* USER CODE BEGIN PTD */
  28. /* USER CODE END PTD */
  29. /* Private define ------------------------------------------------------------*/
  30. /* USER CODE BEGIN PD */
  31. /* USER CODE END PD */
  32. /* Private macro -------------------------------------------------------------*/
  33. /* USER CODE BEGIN PM */
  34. /* USER CODE END PM */
  35. /* Private variables ---------------------------------------------------------*/
  36. SPI_HandleTypeDef hspi2;
  37. /* USER CODE BEGIN PV */
  38. /* USER CODE END PV */
  39. /* Private function prototypes -----------------------------------------------*/
  40. /* Private user code ---------------------------------------------------------*/
  41. /* USER CODE BEGIN 0 */
  42. /* USER CODE END 0 */
  43. void SDCARD_SPI_Init(void)
  44. {
  45. /* USER CODE BEGIN SPI1_Init 0 */
  46. /* USER CODE END SPI1_Init 0 */
  47. /* USER CODE BEGIN SPI1_Init 1 */
  48. /* USER CODE END SPI1_Init 1 */
  49. /* SPI1 parameter configuration*/
  50. hspi2.Instance = SPI2;
  51. hspi2.Init.Mode = SPI_MODE_MASTER;
  52. hspi2.Init.Direction = SPI_DIRECTION_2LINES;
  53. hspi2.Init.DataSize = SPI_DATASIZE_8BIT;
  54. hspi2.Init.CLKPolarity = SPI_POLARITY_LOW;
  55. hspi2.Init.CLKPhase = SPI_PHASE_1EDGE;
  56. hspi2.Init.NSS = SPI_NSS_HARD_OUTPUT;
  57. hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4;
  58. hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
  59. hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
  60. hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  61. hspi2.Init.CRCPolynomial = 10;
  62. if (HAL_SPI_Init(&hspi2) != HAL_OK)
  63. {
  64. Error_Handler();
  65. }
  66. /* USER CODE BEGIN SPI1_Init 2 */
  67. /* USER CODE END SPI1_Init 2 */
  68. }
  69. /**
  70. * @brief GPIO Initialization Function
  71. * @param None
  72. * @retval None
  73. */
  74. void SDCARD_GPIO_Init(void)
  75. {
  76. /* GPIO Ports Clock Enable */
  77. __HAL_RCC_GPIOD_CLK_ENABLE();
  78. __HAL_RCC_GPIOB_CLK_ENABLE();
  79. }
  80. /* USER CODE BEGIN 4 */
  81. /* USER CODE END 4 */
  82. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/