board.c 3.9 KB

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  1. /*
  2. * Copyright (c) 2006-2020, RT-Thread Development Team
  3. *
  4. * SPDX-License-Identifier: Apache-2.0
  5. *
  6. * Change Logs:
  7. * Date Author Notes
  8. * 2020-08-08 RealThread first version
  9. */
  10. #include <rtthread.h>
  11. #include <board.h>
  12. #include <drv_common.h>
  13. #define DBG_TAG "board"
  14. #define DBG_LVL DBG_INFO
  15. #include <rtdbg.h>
  16. SPI_HandleTypeDef hspi1;
  17. RT_WEAK void rt_hw_board_init()
  18. {
  19. extern void hw_board_init(char *clock_src, int32_t clock_src_freq, int32_t clock_target_freq);
  20. /* Heap initialization */
  21. #if defined(RT_USING_HEAP)
  22. rt_system_heap_init((void *) HEAP_BEGIN, (void *) HEAP_END);
  23. #endif
  24. hw_board_init(BSP_CLOCK_SOURCE, BSP_CLOCK_SOURCE_FREQ_MHZ, BSP_CLOCK_SYSTEM_FREQ_MHZ);
  25. /* Set the shell console output device */
  26. #if defined(RT_USING_DEVICE) && defined(RT_USING_CONSOLE)
  27. rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
  28. #endif
  29. /* Board underlying hardware initialization */
  30. #ifdef RT_USING_COMPONENTS_INIT
  31. rt_components_board_init();
  32. #endif
  33. }
  34. void SystemClock_Config(void)
  35. {
  36. RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  37. RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  38. /**Initializes the CPU, AHB and APB busses clocks
  39. */
  40. RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  41. RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  42. RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  43. RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  44. RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  45. RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  46. RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  47. if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  48. {
  49. Error_Handler();
  50. }
  51. /**Initializes the CPU, AHB and APB busses clocks
  52. */
  53. RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  54. |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  55. RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  56. RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  57. RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  58. RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  59. if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  60. {
  61. Error_Handler();
  62. }
  63. /**Enables the Clock Security System
  64. */
  65. HAL_RCC_EnableCSS();
  66. }
  67. /**
  68. * @brief SPI MSP Initialization
  69. * This function configures the hardware resources used in this example
  70. * @param hspi: SPI handle pointer
  71. * @retval None
  72. */
  73. void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
  74. {
  75. GPIO_InitTypeDef GPIO_InitStruct = {0};
  76. if(hspi->Instance==SPI1)
  77. {
  78. /* USER CODE BEGIN SPI1_MspInit 0 */
  79. /* USER CODE END SPI1_MspInit 0 */
  80. /* Peripheral clock enable */
  81. __HAL_RCC_SPI1_CLK_ENABLE();
  82. __HAL_RCC_GPIOA_CLK_ENABLE();
  83. /**SPI1 GPIO Configuration
  84. PA5 ------> SPI1_SCK
  85. PA6 ------> SPI1_MISO
  86. PA7 ------> SPI1_MOSI
  87. */
  88. GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_7;
  89. GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  90. GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
  91. HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  92. GPIO_InitStruct.Pin = GPIO_PIN_6;
  93. GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  94. GPIO_InitStruct.Pull = GPIO_NOPULL;
  95. HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  96. /* USER CODE BEGIN SPI1_MspInit 1 */
  97. /* USER CODE END SPI1_MspInit 1 */
  98. }
  99. }
  100. /*禁用JTAG*/
  101. static int REMAP_SWJ_NOJTAG(void)
  102. {
  103. __HAL_RCC_AFIO_CLK_ENABLE();
  104. /**NOJTAG: JTAG-DP Disabled and SW-DP Enabled
  105. */
  106. __HAL_AFIO_REMAP_SWJ_NOJTAG();
  107. return RT_EOK;
  108. }
  109. int clock_information(void)
  110. {
  111. LOG_D("System Clock information");
  112. LOG_D("SYSCLK_Frequency = %d", HAL_RCC_GetSysClockFreq());
  113. LOG_D("HCLK_Frequency = %d", HAL_RCC_GetHCLKFreq());
  114. LOG_D("PCLK1_Frequency = %d", HAL_RCC_GetPCLK1Freq());
  115. LOG_D("PCLK2_Frequency = %d", HAL_RCC_GetPCLK2Freq());
  116. return RT_EOK;
  117. }
  118. static int SPI1_INIT(void)
  119. {
  120. HAL_SPI_MspInit(&hspi1);
  121. return RT_EOK;
  122. }
  123. INIT_BOARD_EXPORT(clock_information);
  124. INIT_BOARD_EXPORT(REMAP_SWJ_NOJTAG);
  125. INIT_BOARD_EXPORT(SPI1_INIT);