spi.c 6.2 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212
  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. 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_2EDGE;
  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_DISABLE;
  42. if (HAL_SPI_Init(&hspi1) != HAL_OK)
  43. {
  44. Error_Handler();
  45. }
  46. }
  47. /* SPI2 init function */
  48. void MX_SPI2_Init(void)
  49. {
  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_SOFT;
  57. hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
  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 = 7;
  62. hspi2.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
  63. hspi2.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
  64. if (HAL_SPI_Init(&hspi2) != 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_GPIOA_CLK_ENABLE();
  79. __HAL_RCC_GPIOB_CLK_ENABLE();
  80. /**SPI1 GPIO Configuration
  81. PA5 ------> SPI1_SCK
  82. PB4 ------> SPI1_MISO
  83. PB5 ------> SPI1_MOSI
  84. */
  85. GPIO_InitStruct.Pin = SPI_R_SCK_Pin;
  86. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  87. GPIO_InitStruct.Pull = GPIO_NOPULL;
  88. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  89. GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
  90. HAL_GPIO_Init(SPI_R_SCK_GPIO_Port, &GPIO_InitStruct);
  91. GPIO_InitStruct.Pin = SPI_R_MISO_Pin|SPI_R_MOSI_Pin;
  92. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  93. GPIO_InitStruct.Pull = GPIO_NOPULL;
  94. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  95. GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
  96. HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  97. /* USER CODE BEGIN SPI1_MspInit 1 */
  98. /* USER CODE END SPI1_MspInit 1 */
  99. }
  100. else if(spiHandle->Instance==SPI2)
  101. {
  102. /* USER CODE BEGIN SPI2_MspInit 0 */
  103. /* USER CODE END SPI2_MspInit 0 */
  104. /* SPI2 clock enable */
  105. __HAL_RCC_SPI2_CLK_ENABLE();
  106. __HAL_RCC_GPIOC_CLK_ENABLE();
  107. __HAL_RCC_GPIOB_CLK_ENABLE();
  108. __HAL_RCC_GPIOD_CLK_ENABLE();
  109. /**SPI2 GPIO Configuration
  110. PC2 ------> SPI2_MISO
  111. PB15 ------> SPI2_MOSI
  112. PD1 ------> SPI2_SCK
  113. */
  114. GPIO_InitStruct.Pin = SPI_D_MISO_Pin;
  115. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  116. GPIO_InitStruct.Pull = GPIO_NOPULL;
  117. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  118. GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
  119. HAL_GPIO_Init(SPI_D_MISO_GPIO_Port, &GPIO_InitStruct);
  120. GPIO_InitStruct.Pin = SPI_D_MOSI_Pin;
  121. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  122. GPIO_InitStruct.Pull = GPIO_NOPULL;
  123. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  124. GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
  125. HAL_GPIO_Init(SPI_D_MOSI_GPIO_Port, &GPIO_InitStruct);
  126. GPIO_InitStruct.Pin = SPI_D_SCK_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_SCK_GPIO_Port, &GPIO_InitStruct);
  132. /* USER CODE BEGIN SPI2_MspInit 1 */
  133. /* USER CODE END SPI2_MspInit 1 */
  134. }
  135. }
  136. void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
  137. {
  138. if(spiHandle->Instance==SPI1)
  139. {
  140. /* USER CODE BEGIN SPI1_MspDeInit 0 */
  141. /* USER CODE END SPI1_MspDeInit 0 */
  142. /* Peripheral clock disable */
  143. __HAL_RCC_SPI1_CLK_DISABLE();
  144. /**SPI1 GPIO Configuration
  145. PA5 ------> SPI1_SCK
  146. PB4 ------> SPI1_MISO
  147. PB5 ------> SPI1_MOSI
  148. */
  149. HAL_GPIO_DeInit(SPI_R_SCK_GPIO_Port, SPI_R_SCK_Pin);
  150. HAL_GPIO_DeInit(GPIOB, SPI_R_MISO_Pin|SPI_R_MOSI_Pin);
  151. /* USER CODE BEGIN SPI1_MspDeInit 1 */
  152. /* USER CODE END SPI1_MspDeInit 1 */
  153. }
  154. else if(spiHandle->Instance==SPI2)
  155. {
  156. /* USER CODE BEGIN SPI2_MspDeInit 0 */
  157. /* USER CODE END SPI2_MspDeInit 0 */
  158. /* Peripheral clock disable */
  159. __HAL_RCC_SPI2_CLK_DISABLE();
  160. /**SPI2 GPIO Configuration
  161. PC2 ------> SPI2_MISO
  162. PB15 ------> SPI2_MOSI
  163. PD1 ------> SPI2_SCK
  164. */
  165. HAL_GPIO_DeInit(SPI_D_MISO_GPIO_Port, SPI_D_MISO_Pin);
  166. HAL_GPIO_DeInit(SPI_D_MOSI_GPIO_Port, SPI_D_MOSI_Pin);
  167. HAL_GPIO_DeInit(SPI_D_SCK_GPIO_Port, SPI_D_SCK_Pin);
  168. /* USER CODE BEGIN SPI2_MspDeInit 1 */
  169. /* USER CODE END SPI2_MspDeInit 1 */
  170. }
  171. }
  172. /* USER CODE BEGIN 1 */
  173. /* USER CODE END 1 */
  174. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/