spi.c 3.0 KB

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  1. /**
  2. ******************************************************************************
  3. * @file spi.c
  4. * @brief This file provides code for the configuration
  5. * of the SPI instances.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * <h2><center>&copy; Copyright (c) 2023 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. /* Includes ------------------------------------------------------------------*/
  20. #include "spi.h"
  21. /* USER CODE BEGIN 0 */
  22. /* USER CODE END 0 */
  23. SPI_HandleTypeDef hspi1;
  24. /* SPI1 init function */
  25. void MX_SPI1_Init(void)
  26. {
  27. /* USER CODE BEGIN SPI1_Init 0 */
  28. /* USER CODE END SPI1_Init 0 */
  29. /* USER CODE BEGIN SPI1_Init 1 */
  30. /* USER CODE END SPI1_Init 1 */
  31. hspi1.Instance = SPI1;
  32. hspi1.Init.Mode = SPI_MODE_MASTER;
  33. hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  34. hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  35. hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  36. hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  37. hspi1.Init.NSS = SPI_NSS_SOFT;
  38. hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
  39. hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  40. hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  41. hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  42. hspi1.Init.CRCPolynomial = 10;
  43. if (HAL_SPI_Init(&hspi1) != HAL_OK)
  44. {
  45. Error_Handler();
  46. }
  47. /* USER CODE BEGIN SPI1_Init 2 */
  48. /* USER CODE END SPI1_Init 2 */
  49. }
  50. void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
  51. {
  52. GPIO_InitTypeDef GPIO_InitStruct = {0};
  53. if(spiHandle->Instance==SPI1)
  54. {
  55. /* USER CODE BEGIN SPI1_MspInit 0 */
  56. /* USER CODE END SPI1_MspInit 0 */
  57. /* SPI1 clock enable */
  58. __HAL_RCC_SPI1_CLK_ENABLE();
  59. __HAL_RCC_GPIOA_CLK_ENABLE();
  60. /**SPI1 GPIO Configuration
  61. PA5 ------> SPI1_SCK
  62. PA7 ------> SPI1_MOSI
  63. */
  64. GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_7;
  65. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  66. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
  67. HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  68. /* USER CODE BEGIN SPI1_MspInit 1 */
  69. /* USER CODE END SPI1_MspInit 1 */
  70. }
  71. }
  72. void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
  73. {
  74. if(spiHandle->Instance==SPI1)
  75. {
  76. /* USER CODE BEGIN SPI1_MspDeInit 0 */
  77. /* USER CODE END SPI1_MspDeInit 0 */
  78. /* Peripheral clock disable */
  79. __HAL_RCC_SPI1_CLK_DISABLE();
  80. /**SPI1 GPIO Configuration
  81. PA5 ------> SPI1_SCK
  82. PA7 ------> SPI1_MOSI
  83. */
  84. HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_7);
  85. /* USER CODE BEGIN SPI1_MspDeInit 1 */
  86. /* USER CODE END SPI1_MspDeInit 1 */
  87. }
  88. }
  89. /* USER CODE BEGIN 1 */
  90. /* USER CODE END 1 */
  91. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/