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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
  158.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  159.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  160.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  161.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  162.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  163.  
  164.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  165.   {
  166.     Error_Handler();
  167.   }
  168. }
  169.  
  170. /**
  171.   * @brief I2C1 Initialization Function
  172.   * @param None
  173.   * @retval None
  174.   */
  175. static void MX_I2C1_Init(void)
  176. {
  177.  
  178.   /* USER CODE BEGIN I2C1_Init 0 */
  179.  
  180.   /* USER CODE END I2C1_Init 0 */
  181.  
  182.   /* USER CODE BEGIN I2C1_Init 1 */
  183.  
  184.   /* USER CODE END I2C1_Init 1 */
  185.   hi2c1.Instance = I2C1;
  186.   hi2c1.Init.ClockSpeed = 100000;
  187.   hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
  188.   hi2c1.Init.OwnAddress1 = 0;
  189.   hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
  190.   hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
  191.   hi2c1.Init.OwnAddress2 = 0;
  192.   hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
  193.   hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
  194.   if (HAL_I2C_Init(&hi2c1) != HAL_OK)
  195.   {
  196.     Error_Handler();
  197.   }
  198.   /* USER CODE BEGIN I2C1_Init 2 */
  199.  
  200.   /* USER CODE END I2C1_Init 2 */
  201.  
  202. }
  203.  
  204. /**
  205.   * @brief SPI1 Initialization Function
  206.   * @param None
  207.   * @retval None
  208.   */
  209. static void MX_SPI1_Init(void)
  210. {
  211.  
  212.   /* USER CODE BEGIN SPI1_Init 0 */
  213.  
  214.   /* USER CODE END SPI1_Init 0 */
  215.  
  216.   /* USER CODE BEGIN SPI1_Init 1 */
  217.  
  218.   /* USER CODE END SPI1_Init 1 */
  219.   /* SPI1 parameter configuration*/
  220.   hspi1.Instance = SPI1;
  221.   hspi1.Init.Mode = SPI_MODE_MASTER;
  222.   hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  223.   hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  224.   hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  225.   hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  226.   hspi1.Init.NSS = SPI_NSS_SOFT;
  227.   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
  228.   hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  229.   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  230.   hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  231.   hspi1.Init.CRCPolynomial = 10;
  232.   if (HAL_SPI_Init(&hspi1) != HAL_OK)
  233.   {
  234.     Error_Handler();
  235.   }
  236.   /* USER CODE BEGIN SPI1_Init 2 */
  237.  
  238.   /* USER CODE END SPI1_Init 2 */
  239.  
  240. }
  241.  
  242. /**
  243.   * @brief GPIO Initialization Function
  244.   * @param None
  245.   * @retval None
  246.   */
  247. static void MX_GPIO_Init(void)
  248. {
  249.   GPIO_InitTypeDef GPIO_InitStruct = {0};
  250.  
  251.   /* GPIO Ports Clock Enable */
  252.   __HAL_RCC_GPIOD_CLK_ENABLE();
  253.   __HAL_RCC_GPIOA_CLK_ENABLE();
  254.   __HAL_RCC_GPIOB_CLK_ENABLE();
  255.  
  256.   /*Configure GPIO pin Output Level */
  257.   HAL_GPIO_WritePin(GPIOA, SPI_NSS1_Pin|SPI_RESET_Pin, GPIO_PIN_RESET);
  258.  
  259.   /*Configure GPIO pin Output Level */
  260.   HAL_GPIO_WritePin(SPI_CD_GPIO_Port, SPI_CD_Pin, GPIO_PIN_RESET);
  261.  
  262.   /*Configure GPIO pins : SPI_NSS1_Pin SPI_RESET_Pin */
  263.   GPIO_InitStruct.Pin = SPI_NSS1_Pin|SPI_RESET_Pin;
  264.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  265.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  266.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  267.   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  268.  
  269.   /*Configure GPIO pin : SPI_CD_Pin */
  270.   GPIO_InitStruct.Pin = SPI_CD_Pin;
  271.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  272.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  273.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  274.   HAL_GPIO_Init(SPI_CD_GPIO_Port, &GPIO_InitStruct);
  275.  
  276. }
  277.  
  278. /* USER CODE BEGIN 4 */
  279.  
  280. /* USER CODE END 4 */
  281.  
  282. /**
  283.   * @brief  This function is executed in case of error occurrence.
  284.   * @retval None
  285.   */
  286. void Error_Handler(void)
  287. {
  288.   /* USER CODE BEGIN Error_Handler_Debug */
  289.   /* User can add his own implementation to report the HAL error return state */
  290.   __disable_irq();
  291.   while (1)
  292.   {
  293.   }
  294.   /* USER CODE END Error_Handler_Debug */
  295. }
  296.  
  297. #ifdef  USE_FULL_ASSERT
  298. /**
  299.   * @brief  Reports the name of the source file and the source line number
  300.   *         where the assert_param error has occurred.
  301.   * @param  file: pointer to the source file name
  302.   * @param  line: assert_param error line source number
  303.   * @retval None
  304.   */
  305. void assert_failed(uint8_t *file, uint32_t line)
  306. {
  307.   /* USER CODE BEGIN 6 */
  308.   /* User can add his own implementation to report the file name and line number,
  309.      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  310.   /* USER CODE END 6 */
  311. }
  312. #endif /* USE_FULL_ASSERT */
  313.