spi.c 2.5 KB

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  1. /**
  2. ******************************************************************************
  3. * File Name : SPI.c
  4. * Description : This file provides code for the configuration
  5. * of the SPI instances.
  6. ******************************************************************************
  7. ******************************************************************************
  8. */
  9. /* Includes ------------------------------------------------------------------*/
  10. #include "spi.h"
  11. #include "gpio.h"
  12. /* USER CODE BEGIN 0 */
  13. /* USER CODE END 0 */
  14. SPI_HandleTypeDef hspi1;
  15. /* SPI1 init function */
  16. void MX_SPI1_Init(void)
  17. {
  18. hspi1.Instance = SPI1;
  19. hspi1.Init.Mode = SPI_MODE_MASTER;
  20. hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  21. hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  22. hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  23. hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  24. hspi1.Init.NSS = SPI_NSS_SOFT;
  25. hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
  26. hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  27. hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  28. hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  29. hspi1.Init.CRCPolynomial = 10;
  30. if (HAL_SPI_Init(&hspi1) != HAL_OK)
  31. {
  32. _Error_Handler(__FILE__, __LINE__);
  33. }
  34. }
  35. void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
  36. {
  37. GPIO_InitTypeDef GPIO_InitStruct;
  38. if(spiHandle->Instance==SPI1)
  39. {
  40. /* USER CODE BEGIN SPI1_MspInit 0 */
  41. /* USER CODE END SPI1_MspInit 0 */
  42. /* SPI1 clock enable */
  43. __HAL_RCC_SPI1_CLK_ENABLE();
  44. /**SPI1 GPIO Configuration
  45. PA5 ------> SPI1_SCK
  46. PA7 ------> SPI1_MOSI
  47. */
  48. GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_7;
  49. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  50. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
  51. HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  52. /* USER CODE BEGIN SPI1_MspInit 1 */
  53. /* USER CODE END SPI1_MspInit 1 */
  54. }
  55. }
  56. void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
  57. {
  58. if(spiHandle->Instance==SPI1)
  59. {
  60. /* USER CODE BEGIN SPI1_MspDeInit 0 */
  61. /* USER CODE END SPI1_MspDeInit 0 */
  62. /* Peripheral clock disable */
  63. __HAL_RCC_SPI1_CLK_DISABLE();
  64. /**SPI1 GPIO Configuration
  65. PA5 ------> SPI1_SCK
  66. PA7 ------> SPI1_MOSI
  67. */
  68. HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_7);
  69. /* USER CODE BEGIN SPI1_MspDeInit 1 */
  70. /* USER CODE END SPI1_MspDeInit 1 */
  71. }
  72. }
  73. /* USER CODE BEGIN 1 */
  74. /* USER CODE END 1 */
  75. /**
  76. * @}
  77. */
  78. /**
  79. * @}
  80. */
  81. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/