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  1. /* USER CODE BEGIN Header */
  2. /**
  3.  ******************************************************************************
  4.  * @file           : main.c
  5.  * @brief          : Main program body
  6.  ******************************************************************************
  7.  * @attention
  8.  *
  9.  * Copyright (c) 2022 STMicroelectronics.
  10.  * All rights reserved.
  11.  *
  12.  * This software is licensed under terms that can be found in the LICENSE file
  13.  * in the root directory of this software component.
  14.  * If no LICENSE file comes with this software, it is provided AS-IS.
  15.  *
  16.  ******************************************************************************
  17.  */
  18. /* USER CODE END Header */
  19. /* Includes ------------------------------------------------------------------*/
  20. #include "main.h"
  21.  
  22. /* Private includes ----------------------------------------------------------*/
  23. /* USER CODE BEGIN Includes */
  24. #include "display.h"
  25. #include "bmp280driver.h"
  26. /* USER CODE END Includes */
  27.  
  28. /* Private typedef -----------------------------------------------------------*/
  29. /* USER CODE BEGIN PTD */
  30.  
  31. /* USER CODE END PTD */
  32.  
  33. /* Private define ------------------------------------------------------------*/
  34. /* USER CODE BEGIN PD */
  35. /* USER CODE END PD */
  36.  
  37. /* Private macro -------------------------------------------------------------*/
  38. /* USER CODE BEGIN PM */
  39.  
  40. /* USER CODE END PM */
  41.  
  42. /* Private variables ---------------------------------------------------------*/
  43. I2C_HandleTypeDef hi2c1;
  44.  
  45. SPI_HandleTypeDef hspi1;
  46.  
  47. /* USER CODE BEGIN PV */
  48.  
  49. /* USER CODE END PV */
  50.  
  51. /* Private function prototypes -----------------------------------------------*/
  52. void SystemClock_Config(void);
  53. static void MX_GPIO_Init(void);
  54. static void MX_SPI1_Init(void);
  55. static void MX_I2C1_Init(void);
  56. /* USER CODE BEGIN PFP */
  57.  
  58. /* USER CODE END PFP */
  59.  
  60. /* Private user code ---------------------------------------------------------*/
  61. /* USER CODE BEGIN 0 */
  62.  
  63. /* USER CODE END 0 */
  64.  
  65. /**
  66.  * @brief  The application entry point.
  67.  * @retval int
  68.  */
  69. int main(void)
  70.  {
  71.   /* USER CODE BEGIN 1 */
  72.  
  73.   /* USER CODE END 1 */
  74.  
  75.   /* MCU Configuration--------------------------------------------------------*/
  76.  
  77.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  78.   HAL_Init();
  79.  
  80.   /* USER CODE BEGIN Init */
  81.  
  82.   /* USER CODE END Init */
  83.  
  84.   /* Configure the system clock */
  85.   SystemClock_Config();
  86.  
  87.   /* USER CODE BEGIN SysInit */
  88.  
  89.   /* USER CODE END SysInit */
  90.  
  91.   /* Initialize all configured peripherals */
  92.   MX_GPIO_Init();
  93.   MX_SPI1_Init();
  94.   MX_I2C1_Init();
  95.   /* USER CODE BEGIN 2 */
  96.   cc_init();
  97.  
  98.   init_bmp(&hi2c1);
  99.   uint32_t lastTick = HAL_GetTick();
  100.   /* USER CODE END 2 */
  101.  
  102.   /* Infinite loop */
  103.   /* USER CODE BEGIN WHILE */
  104.   while (1)
  105.   {
  106.     cc_display(0);
  107.  
  108.     if (HAL_GetTick() - lastTick > 200)
  109.     {
  110.       lastTick = HAL_GetTick();
  111.       /* Reading the raw data from sensor */
  112.       struct bmp280_uncomp_data ucomp_data;
  113.       uint8_t rslt = bmp280_get_uncomp_data(&ucomp_data, &bmp);
  114.  
  115.       uint32_t comp_pres = 0;
  116.       int32_t comp_temp = -10000;
  117.       if (rslt == 0)
  118.       {
  119.         uint8_t rslt2 = bmp280_get_comp_pres_32bit(&comp_pres, ucomp_data.uncomp_press, &bmp);
  120.  
  121.         uint8_t rslt3 = bmp280_get_comp_temp_32bit(&comp_temp, ucomp_data.uncomp_temp, &bmp);
  122.       }
  123.     }
  124.     /* USER CODE END WHILE */
  125.  
  126.     /* USER CODE BEGIN 3 */
  127.   }
  128.   /* USER CODE END 3 */
  129. }
  130.  
  131. /**
  132.  * @brief System Clock Configuration
  133.  * @retval None
  134.  */
  135. void SystemClock_Config(void)
  136. {
  137.   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  138.   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  139.  
  140.   /** Initializes the RCC Oscillators according to the specified parameters
  141.    * in the RCC_OscInitTypeDef structure.
  142.    */
  143.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  144.   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  145.   RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  146.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  147.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  148.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  149.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  150.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  151.   {
  152.     Error_Handler();
  153.   }
  154.  
  155.   /** Initializes the CPU, AHB and APB buses clocks
  156.    */
  157.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
  158.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  159.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  160.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  161.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  162.  
  163.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  164.   {
  165.     Error_Handler();
  166.   }
  167. }
  168.  
  169. /**
  170.  * @brief I2C1 Initialization Function
  171.  * @param None
  172.  * @retval None
  173.  */
  174. static void MX_I2C1_Init(void)
  175. {
  176.  
  177.   /* USER CODE BEGIN I2C1_Init 0 */
  178.  
  179.   /* USER CODE END I2C1_Init 0 */
  180.  
  181.   /* USER CODE BEGIN I2C1_Init 1 */
  182.  
  183.   /* USER CODE END I2C1_Init 1 */
  184.   hi2c1.Instance = I2C1;
  185.   hi2c1.Init.ClockSpeed = 100000;
  186.   hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
  187.   hi2c1.Init.OwnAddress1 = 0;
  188.   hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
  189.   hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
  190.   hi2c1.Init.OwnAddress2 = 0;
  191.   hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
  192.   hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
  193.   if (HAL_I2C_Init(&hi2c1) != HAL_OK)
  194.   {
  195.     Error_Handler();
  196.   }
  197.   /* USER CODE BEGIN I2C1_Init 2 */
  198.  
  199.   /* USER CODE END I2C1_Init 2 */
  200. }
  201.  
  202. /**
  203.  * @brief SPI1 Initialization Function
  204.  * @param None
  205.  * @retval None
  206.  */
  207. static void MX_SPI1_Init(void)
  208. {
  209.  
  210.   /* USER CODE BEGIN SPI1_Init 0 */
  211.  
  212.   /* USER CODE END SPI1_Init 0 */
  213.  
  214.   /* USER CODE BEGIN SPI1_Init 1 */
  215.  
  216.   /* USER CODE END SPI1_Init 1 */
  217.   /* SPI1 parameter configuration*/
  218.   hspi1.Instance = SPI1;
  219.   hspi1.Init.Mode = SPI_MODE_MASTER;
  220.   hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  221.   hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  222.   hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  223.   hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  224.   hspi1.Init.NSS = SPI_NSS_SOFT;
  225.   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
  226.   hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  227.   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  228.   hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  229.   hspi1.Init.CRCPolynomial = 10;
  230.   if (HAL_SPI_Init(&hspi1) != HAL_OK)
  231.   {
  232.     Error_Handler();
  233.   }
  234.   /* USER CODE BEGIN SPI1_Init 2 */
  235.  
  236.   /* USER CODE END SPI1_Init 2 */
  237. }
  238.  
  239. /**
  240.  * @brief GPIO Initialization Function
  241.  * @param None
  242.  * @retval None
  243.  */
  244. static void MX_GPIO_Init(void)
  245. {
  246.   GPIO_InitTypeDef GPIO_InitStruct = {0};
  247.  
  248.   /* GPIO Ports Clock Enable */
  249.   __HAL_RCC_GPIOD_CLK_ENABLE();
  250.   __HAL_RCC_GPIOA_CLK_ENABLE();
  251.   __HAL_RCC_GPIOB_CLK_ENABLE();
  252.  
  253.   /*Configure GPIO pin Output Level */
  254.   HAL_GPIO_WritePin(GPIOA, SPI_NSS1_Pin | SPI_RESET_Pin, GPIO_PIN_RESET);
  255.  
  256.   /*Configure GPIO pin Output Level */
  257.   HAL_GPIO_WritePin(SPI_CD_GPIO_Port, SPI_CD_Pin, GPIO_PIN_RESET);
  258.  
  259.   /*Configure GPIO pins : SPI_NSS1_Pin SPI_RESET_Pin */
  260.   GPIO_InitStruct.Pin = SPI_NSS1_Pin | SPI_RESET_Pin;
  261.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  262.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  263.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  264.   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  265.  
  266.   /*Configure GPIO pin : SPI_CD_Pin */
  267.   GPIO_InitStruct.Pin = SPI_CD_Pin;
  268.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  269.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  270.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  271.   HAL_GPIO_Init(SPI_CD_GPIO_Port, &GPIO_InitStruct);
  272. }
  273.  
  274. /* USER CODE BEGIN 4 */
  275.  
  276. /* USER CODE END 4 */
  277.  
  278. /**
  279.  * @brief  This function is executed in case of error occurrence.
  280.  * @retval None
  281.  */
  282. void Error_Handler(void)
  283. {
  284.   /* USER CODE BEGIN Error_Handler_Debug */
  285.   /* User can add his own implementation to report the HAL error return state */
  286.   __disable_irq();
  287.   while (1)
  288.   {
  289.   }
  290.   /* USER CODE END Error_Handler_Debug */
  291. }
  292.  
  293. #ifdef USE_FULL_ASSERT
  294. /**
  295.  * @brief  Reports the name of the source file and the source line number
  296.  *         where the assert_param error has occurred.
  297.  * @param  file: pointer to the source file name
  298.  * @param  line: assert_param error line source number
  299.  * @retval None
  300.  */
  301. void assert_failed(uint8_t *file, uint32_t line)
  302. {
  303.   /* USER CODE BEGIN 6 */
  304.   /* User can add his own implementation to report the file name and line number,
  305.      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  306.   /* USER CODE END 6 */
  307. }
  308. #endif /* USE_FULL_ASSERT */
  309.