spi.c 6.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232
  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) 2021 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 hspi2;
  25. /* SPI1 init function */
  26. void MX_SPI1_Init(void)
  27. {
  28. /* USER CODE BEGIN SPI1_Init 0 */
  29. /* USER CODE END SPI1_Init 0 */
  30. /* USER CODE BEGIN SPI1_Init 1 */
  31. /* USER CODE END SPI1_Init 1 */
  32. hspi1.Instance = SPI1;
  33. hspi1.Init.Mode = SPI_MODE_MASTER;
  34. hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  35. hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  36. hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  37. hspi1.Init.CLKPhase = SPI_PHASE_2EDGE;
  38. hspi1.Init.NSS = SPI_NSS_SOFT;
  39. hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
  40. hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  41. hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  42. hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  43. hspi1.Init.CRCPolynomial = 7;
  44. hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
  45. hspi1.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
  46. if (HAL_SPI_Init(&hspi1) != HAL_OK)
  47. {
  48. Error_Handler();
  49. }
  50. /* USER CODE BEGIN SPI1_Init 2 */
  51. /* USER CODE END SPI1_Init 2 */
  52. }
  53. /* SPI2 init function */
  54. void MX_SPI2_Init(void)
  55. {
  56. /* USER CODE BEGIN SPI2_Init 0 */
  57. /* USER CODE END SPI2_Init 0 */
  58. /* USER CODE BEGIN SPI2_Init 1 */
  59. /* USER CODE END SPI2_Init 1 */
  60. hspi2.Instance = SPI2;
  61. hspi2.Init.Mode = SPI_MODE_MASTER;
  62. hspi2.Init.Direction = SPI_DIRECTION_2LINES;
  63. hspi2.Init.DataSize = SPI_DATASIZE_8BIT;
  64. hspi2.Init.CLKPolarity = SPI_POLARITY_LOW;
  65. hspi2.Init.CLKPhase = SPI_PHASE_1EDGE;
  66. hspi2.Init.NSS = SPI_NSS_SOFT;
  67. hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
  68. hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
  69. hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
  70. hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  71. hspi2.Init.CRCPolynomial = 7;
  72. hspi2.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
  73. hspi2.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
  74. if (HAL_SPI_Init(&hspi2) != HAL_OK)
  75. {
  76. Error_Handler();
  77. }
  78. /* USER CODE BEGIN SPI2_Init 2 */
  79. /* USER CODE END SPI2_Init 2 */
  80. }
  81. void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
  82. {
  83. GPIO_InitTypeDef GPIO_InitStruct = {0};
  84. if(spiHandle->Instance==SPI1)
  85. {
  86. /* USER CODE BEGIN SPI1_MspInit 0 */
  87. /* USER CODE END SPI1_MspInit 0 */
  88. /* SPI1 clock enable */
  89. __HAL_RCC_SPI1_CLK_ENABLE();
  90. __HAL_RCC_GPIOA_CLK_ENABLE();
  91. __HAL_RCC_GPIOB_CLK_ENABLE();
  92. /**SPI1 GPIO Configuration
  93. PA5 ------> SPI1_SCK
  94. PB4 ------> SPI1_MISO
  95. PB5 ------> SPI1_MOSI
  96. */
  97. GPIO_InitStruct.Pin = SPI_R_SCK_Pin;
  98. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  99. GPIO_InitStruct.Pull = GPIO_NOPULL;
  100. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  101. GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
  102. HAL_GPIO_Init(SPI_R_SCK_GPIO_Port, &GPIO_InitStruct);
  103. GPIO_InitStruct.Pin = SPI_R_MISO_Pin|SPI_R_MOSI_Pin;
  104. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  105. GPIO_InitStruct.Pull = GPIO_NOPULL;
  106. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  107. GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
  108. HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  109. /* USER CODE BEGIN SPI1_MspInit 1 */
  110. /* USER CODE END SPI1_MspInit 1 */
  111. }
  112. else if(spiHandle->Instance==SPI2)
  113. {
  114. /* USER CODE BEGIN SPI2_MspInit 0 */
  115. /* USER CODE END SPI2_MspInit 0 */
  116. /* SPI2 clock enable */
  117. __HAL_RCC_SPI2_CLK_ENABLE();
  118. __HAL_RCC_GPIOC_CLK_ENABLE();
  119. __HAL_RCC_GPIOB_CLK_ENABLE();
  120. __HAL_RCC_GPIOD_CLK_ENABLE();
  121. /**SPI2 GPIO Configuration
  122. PC2 ------> SPI2_MISO
  123. PB15 ------> SPI2_MOSI
  124. PD1 ------> SPI2_SCK
  125. */
  126. GPIO_InitStruct.Pin = SPI_D_MISO_Pin;
  127. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  128. GPIO_InitStruct.Pull = GPIO_NOPULL;
  129. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  130. GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
  131. HAL_GPIO_Init(SPI_D_MISO_GPIO_Port, &GPIO_InitStruct);
  132. GPIO_InitStruct.Pin = SPI_D_MOSI_Pin;
  133. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  134. GPIO_InitStruct.Pull = GPIO_NOPULL;
  135. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  136. GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
  137. HAL_GPIO_Init(SPI_D_MOSI_GPIO_Port, &GPIO_InitStruct);
  138. GPIO_InitStruct.Pin = SPI_D_SCK_Pin;
  139. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  140. GPIO_InitStruct.Pull = GPIO_NOPULL;
  141. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  142. GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
  143. HAL_GPIO_Init(SPI_D_SCK_GPIO_Port, &GPIO_InitStruct);
  144. /* USER CODE BEGIN SPI2_MspInit 1 */
  145. /* USER CODE END SPI2_MspInit 1 */
  146. }
  147. }
  148. void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
  149. {
  150. if(spiHandle->Instance==SPI1)
  151. {
  152. /* USER CODE BEGIN SPI1_MspDeInit 0 */
  153. /* USER CODE END SPI1_MspDeInit 0 */
  154. /* Peripheral clock disable */
  155. __HAL_RCC_SPI1_CLK_DISABLE();
  156. /**SPI1 GPIO Configuration
  157. PA5 ------> SPI1_SCK
  158. PB4 ------> SPI1_MISO
  159. PB5 ------> SPI1_MOSI
  160. */
  161. HAL_GPIO_DeInit(SPI_R_SCK_GPIO_Port, SPI_R_SCK_Pin);
  162. HAL_GPIO_DeInit(GPIOB, SPI_R_MISO_Pin|SPI_R_MOSI_Pin);
  163. /* USER CODE BEGIN SPI1_MspDeInit 1 */
  164. /* USER CODE END SPI1_MspDeInit 1 */
  165. }
  166. else if(spiHandle->Instance==SPI2)
  167. {
  168. /* USER CODE BEGIN SPI2_MspDeInit 0 */
  169. /* USER CODE END SPI2_MspDeInit 0 */
  170. /* Peripheral clock disable */
  171. __HAL_RCC_SPI2_CLK_DISABLE();
  172. /**SPI2 GPIO Configuration
  173. PC2 ------> SPI2_MISO
  174. PB15 ------> SPI2_MOSI
  175. PD1 ------> SPI2_SCK
  176. */
  177. HAL_GPIO_DeInit(SPI_D_MISO_GPIO_Port, SPI_D_MISO_Pin);
  178. HAL_GPIO_DeInit(SPI_D_MOSI_GPIO_Port, SPI_D_MOSI_Pin);
  179. HAL_GPIO_DeInit(SPI_D_SCK_GPIO_Port, SPI_D_SCK_Pin);
  180. /* USER CODE BEGIN SPI2_MspDeInit 1 */
  181. /* USER CODE END SPI2_MspDeInit 1 */
  182. }
  183. }
  184. /* USER CODE BEGIN 1 */
  185. /* USER CODE END 1 */
  186. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/