spi.c 5.1 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. * @attention
  8. *
  9. * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
  10. * All rights reserved.</center></h2>
  11. *
  12. * This software component is licensed by ST under Ultimate Liberty license
  13. * SLA0044, the "License"; You may not use this file except in compliance with
  14. * the License. You may obtain a copy of the License at:
  15. * www.st.com/SLA0044
  16. *
  17. ******************************************************************************
  18. */
  19. /* Includes ------------------------------------------------------------------*/
  20. #include "spi.h"
  21. /* USER CODE BEGIN 0 */
  22. /* USER CODE END 0 */
  23. SPI_HandleTypeDef hspi1;
  24. SPI_HandleTypeDef hspi3;
  25. /* SPI1 init function */
  26. void MX_SPI1_Init(void)
  27. {
  28. hspi1.Instance = SPI1;
  29. hspi1.Init.Mode = SPI_MODE_MASTER;
  30. hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  31. hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  32. hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  33. hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  34. hspi1.Init.NSS = SPI_NSS_SOFT;
  35. hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
  36. hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  37. hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  38. hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  39. hspi1.Init.CRCPolynomial = 7;
  40. hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
  41. hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
  42. if (HAL_SPI_Init(&hspi1) != HAL_OK)
  43. {
  44. Error_Handler();
  45. }
  46. }
  47. /* SPI3 init function */
  48. void MX_SPI3_Init(void)
  49. {
  50. hspi3.Instance = SPI3;
  51. hspi3.Init.Mode = SPI_MODE_MASTER;
  52. hspi3.Init.Direction = SPI_DIRECTION_2LINES;
  53. hspi3.Init.DataSize = SPI_DATASIZE_8BIT;
  54. hspi3.Init.CLKPolarity = SPI_POLARITY_LOW;
  55. hspi3.Init.CLKPhase = SPI_PHASE_2EDGE;
  56. hspi3.Init.NSS = SPI_NSS_SOFT;
  57. hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
  58. hspi3.Init.FirstBit = SPI_FIRSTBIT_MSB;
  59. hspi3.Init.TIMode = SPI_TIMODE_DISABLE;
  60. hspi3.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  61. hspi3.Init.CRCPolynomial = 7;
  62. hspi3.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
  63. hspi3.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
  64. if (HAL_SPI_Init(&hspi3) != HAL_OK)
  65. {
  66. Error_Handler();
  67. }
  68. }
  69. void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
  70. {
  71. GPIO_InitTypeDef GPIO_InitStruct = {0};
  72. if(spiHandle->Instance==SPI1)
  73. {
  74. /* USER CODE BEGIN SPI1_MspInit 0 */
  75. /* USER CODE END SPI1_MspInit 0 */
  76. /* SPI1 clock enable */
  77. __HAL_RCC_SPI1_CLK_ENABLE();
  78. __HAL_RCC_GPIOB_CLK_ENABLE();
  79. /**SPI1 GPIO Configuration
  80. PB3 (JTDO-TRACESWO) ------> SPI1_SCK
  81. PB5 ------> SPI1_MOSI
  82. */
  83. GPIO_InitStruct.Pin = GPIO_PIN_3|GPIO_PIN_5;
  84. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  85. GPIO_InitStruct.Pull = GPIO_NOPULL;
  86. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  87. GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
  88. HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  89. /* USER CODE BEGIN SPI1_MspInit 1 */
  90. /* USER CODE END SPI1_MspInit 1 */
  91. }
  92. else if(spiHandle->Instance==SPI3)
  93. {
  94. /* USER CODE BEGIN SPI3_MspInit 0 */
  95. /* USER CODE END SPI3_MspInit 0 */
  96. /* SPI3 clock enable */
  97. __HAL_RCC_SPI3_CLK_ENABLE();
  98. __HAL_RCC_GPIOC_CLK_ENABLE();
  99. /**SPI3 GPIO Configuration
  100. PC10 ------> SPI3_SCK
  101. PC11 ------> SPI3_MISO
  102. PC12 ------> SPI3_MOSI
  103. */
  104. GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12;
  105. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  106. GPIO_InitStruct.Pull = GPIO_PULLDOWN;
  107. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  108. GPIO_InitStruct.Alternate = GPIO_AF6_SPI3;
  109. HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  110. /* USER CODE BEGIN SPI3_MspInit 1 */
  111. /* USER CODE END SPI3_MspInit 1 */
  112. }
  113. }
  114. void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
  115. {
  116. if(spiHandle->Instance==SPI1)
  117. {
  118. /* USER CODE BEGIN SPI1_MspDeInit 0 */
  119. /* USER CODE END SPI1_MspDeInit 0 */
  120. /* Peripheral clock disable */
  121. __HAL_RCC_SPI1_CLK_DISABLE();
  122. /**SPI1 GPIO Configuration
  123. PB3 (JTDO-TRACESWO) ------> SPI1_SCK
  124. PB5 ------> SPI1_MOSI
  125. */
  126. HAL_GPIO_DeInit(GPIOB, GPIO_PIN_3|GPIO_PIN_5);
  127. /* USER CODE BEGIN SPI1_MspDeInit 1 */
  128. /* USER CODE END SPI1_MspDeInit 1 */
  129. }
  130. else if(spiHandle->Instance==SPI3)
  131. {
  132. /* USER CODE BEGIN SPI3_MspDeInit 0 */
  133. /* USER CODE END SPI3_MspDeInit 0 */
  134. /* Peripheral clock disable */
  135. __HAL_RCC_SPI3_CLK_DISABLE();
  136. /**SPI3 GPIO Configuration
  137. PC10 ------> SPI3_SCK
  138. PC11 ------> SPI3_MISO
  139. PC12 ------> SPI3_MOSI
  140. */
  141. HAL_GPIO_DeInit(GPIOC, GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12);
  142. /* USER CODE BEGIN SPI3_MspDeInit 1 */
  143. /* USER CODE END SPI3_MspDeInit 1 */
  144. }
  145. }
  146. /* USER CODE BEGIN 1 */
  147. /* USER CODE END 1 */
  148. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/