spi.c 6.8 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) 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. /* 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_2EDGE;
  37. hspi1.Init.NSS = SPI_NSS_SOFT;
  38. hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
  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 = 7;
  43. hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
  44. hspi1.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
  45. if(HAL_SPI_Init(&hspi1) != HAL_OK) {
  46. Error_Handler();
  47. }
  48. /* USER CODE BEGIN SPI1_Init 2 */
  49. /* USER CODE END SPI1_Init 2 */
  50. }
  51. /* SPI2 init function */
  52. void MX_SPI2_Init(void) {
  53. /* USER CODE BEGIN SPI2_Init 0 */
  54. /* USER CODE END SPI2_Init 0 */
  55. /* USER CODE BEGIN SPI2_Init 1 */
  56. /* USER CODE END SPI2_Init 1 */
  57. hspi2.Instance = SPI2;
  58. hspi2.Init.Mode = SPI_MODE_MASTER;
  59. hspi2.Init.Direction = SPI_DIRECTION_2LINES;
  60. hspi2.Init.DataSize = SPI_DATASIZE_8BIT;
  61. hspi2.Init.CLKPolarity = SPI_POLARITY_LOW;
  62. hspi2.Init.CLKPhase = SPI_PHASE_1EDGE;
  63. hspi2.Init.NSS = SPI_NSS_SOFT;
  64. hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
  65. hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
  66. hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
  67. hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  68. hspi2.Init.CRCPolynomial = 7;
  69. hspi2.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
  70. hspi2.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
  71. if(HAL_SPI_Init(&hspi2) != HAL_OK) {
  72. Error_Handler();
  73. }
  74. /* USER CODE BEGIN SPI2_Init 2 */
  75. /* USER CODE END SPI2_Init 2 */
  76. }
  77. void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle) {
  78. GPIO_InitTypeDef GPIO_InitStruct = {0};
  79. if(spiHandle->Instance == SPI1) {
  80. /* USER CODE BEGIN SPI1_MspInit 0 */
  81. /* USER CODE END SPI1_MspInit 0 */
  82. /* SPI1 clock enable */
  83. __HAL_RCC_SPI1_CLK_ENABLE();
  84. __HAL_RCC_GPIOA_CLK_ENABLE();
  85. __HAL_RCC_GPIOB_CLK_ENABLE();
  86. /**SPI1 GPIO Configuration
  87. PA5 ------> SPI1_SCK
  88. PB4 ------> SPI1_MISO
  89. PB5 ------> SPI1_MOSI
  90. */
  91. GPIO_InitStruct.Pin = SPI_R_SCK_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(SPI_R_SCK_GPIO_Port, &GPIO_InitStruct);
  97. GPIO_InitStruct.Pin = SPI_R_MISO_Pin | SPI_R_MOSI_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(GPIOB, &GPIO_InitStruct);
  103. /* USER CODE BEGIN SPI1_MspInit 1 */
  104. /* USER CODE END SPI1_MspInit 1 */
  105. } else if(spiHandle->Instance == SPI2) {
  106. /* USER CODE BEGIN SPI2_MspInit 0 */
  107. /* USER CODE END SPI2_MspInit 0 */
  108. /* SPI2 clock enable */
  109. __HAL_RCC_SPI2_CLK_ENABLE();
  110. __HAL_RCC_GPIOC_CLK_ENABLE();
  111. __HAL_RCC_GPIOB_CLK_ENABLE();
  112. __HAL_RCC_GPIOD_CLK_ENABLE();
  113. /**SPI2 GPIO Configuration
  114. PC2 ------> SPI2_MISO
  115. PB15 ------> SPI2_MOSI
  116. PD1 ------> SPI2_SCK
  117. */
  118. GPIO_InitStruct.Pin = SPI_D_MISO_Pin;
  119. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  120. GPIO_InitStruct.Pull = GPIO_NOPULL;
  121. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  122. GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
  123. HAL_GPIO_Init(SPI_D_MISO_GPIO_Port, &GPIO_InitStruct);
  124. GPIO_InitStruct.Pin = SPI_D_MOSI_Pin;
  125. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  126. GPIO_InitStruct.Pull = GPIO_NOPULL;
  127. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  128. GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
  129. HAL_GPIO_Init(SPI_D_MOSI_GPIO_Port, &GPIO_InitStruct);
  130. GPIO_InitStruct.Pin = SPI_D_SCK_Pin;
  131. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  132. GPIO_InitStruct.Pull = GPIO_NOPULL;
  133. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  134. GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
  135. HAL_GPIO_Init(SPI_D_SCK_GPIO_Port, &GPIO_InitStruct);
  136. /* USER CODE BEGIN SPI2_MspInit 1 */
  137. /* USER CODE END SPI2_MspInit 1 */
  138. }
  139. }
  140. void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle) {
  141. if(spiHandle->Instance == SPI1) {
  142. /* USER CODE BEGIN SPI1_MspDeInit 0 */
  143. /* USER CODE END SPI1_MspDeInit 0 */
  144. /* Peripheral clock disable */
  145. __HAL_RCC_SPI1_CLK_DISABLE();
  146. /**SPI1 GPIO Configuration
  147. PA5 ------> SPI1_SCK
  148. PB4 ------> SPI1_MISO
  149. PB5 ------> SPI1_MOSI
  150. */
  151. HAL_GPIO_DeInit(SPI_R_SCK_GPIO_Port, SPI_R_SCK_Pin);
  152. HAL_GPIO_DeInit(GPIOB, SPI_R_MISO_Pin | SPI_R_MOSI_Pin);
  153. /* USER CODE BEGIN SPI1_MspDeInit 1 */
  154. /* USER CODE END SPI1_MspDeInit 1 */
  155. } else if(spiHandle->Instance == SPI2) {
  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****/