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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. #include "libMisc/fixI2C.h"
  27. /* USER CODE END Includes */
  28.  
  29. /* Private typedef -----------------------------------------------------------*/
  30. /* USER CODE BEGIN PTD */
  31.  
  32. /* USER CODE END PTD */
  33.  
  34. /* Private define ------------------------------------------------------------*/
  35. /* USER CODE BEGIN PD */
  36. /* USER CODE END PD */
  37.  
  38. /* Private macro -------------------------------------------------------------*/
  39. /* USER CODE BEGIN PM */
  40.  
  41. /* USER CODE END PM */
  42.  
  43. /* Private variables ---------------------------------------------------------*/
  44.  I2C_HandleTypeDef hi2c1;
  45.  
  46. SPI_HandleTypeDef hspi1;
  47.  
  48. /* USER CODE BEGIN PV */
  49.  
  50. /* USER CODE END PV */
  51.  
  52. /* Private function prototypes -----------------------------------------------*/
  53. void SystemClock_Config(void);
  54. static void MX_GPIO_Init(void);
  55. static void MX_SPI1_Init(void);
  56. static void MX_I2C1_Init(void);
  57. /* USER CODE BEGIN PFP */
  58.  
  59. /* USER CODE END PFP */
  60.  
  61. /* Private user code ---------------------------------------------------------*/
  62. /* USER CODE BEGIN 0 */
  63.  
  64. /* USER CODE END 0 */
  65.  
  66. /**
  67.   * @brief  The application entry point.
  68.   * @retval int
  69.   */
  70. int main(void)
  71. {
  72.   /* USER CODE BEGIN 1 */
  73.  
  74.   /* USER CODE END 1 */
  75.  
  76.   /* MCU Configuration--------------------------------------------------------*/
  77.  
  78.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  79.   HAL_Init();
  80.  
  81.   /* USER CODE BEGIN Init */
  82.  
  83.   /* USER CODE END Init */
  84.  
  85.   /* Configure the system clock */
  86.   SystemClock_Config();
  87.  
  88.   /* USER CODE BEGIN SysInit */
  89.   /* Peripheral clock enable */
  90.  
  91.   /* USER CODE END SysInit */
  92.  
  93.   /* Initialize all configured peripherals */
  94.   MX_GPIO_Init();
  95.   MX_SPI1_Init();
  96.   MX_I2C1_Init();
  97.   /* USER CODE BEGIN 2 */
  98.   cc_init();
  99.  
  100.   HAL_I2C_ClearBusyFlagErrata_2_14_7(&hi2c1);
  101.   MX_I2C1_Init();
  102.   init_bmp(&hi2c1);
  103.   uint32_t lastTick = HAL_GetTick();
  104.   /* USER CODE END 2 */
  105.  
  106.   /* Infinite loop */
  107.   /* USER CODE BEGIN WHILE */
  108.   while (1)
  109.   {
  110.     cc_display(0);
  111.  
  112.     cc_feed_pushbutton(HAL_GPIO_ReadPin(PUSHBUTTON_GPIO_Port, PUSHBUTTON_Pin )==GPIO_PIN_SET);
  113.  
  114.  
  115.     if (HAL_GetTick() - lastTick > 200)
  116.     {
  117.       lastTick = HAL_GetTick();
  118.       /* Reading the raw data from sensor */
  119.       struct bmp280_uncomp_data ucomp_data;
  120.       uint8_t rslt = bmp280_get_uncomp_data(&ucomp_data, &bmp);
  121.  
  122.       uint32_t comp_pres = 0;
  123.       int32_t comp_temp = -10000;
  124.       if (rslt == 0)
  125.       {
  126.         uint8_t rslt2 = bmp280_get_comp_pres_32bit(&comp_pres, ucomp_data.uncomp_press, &bmp);
  127.  
  128.         uint8_t rslt3 = bmp280_get_comp_temp_32bit(&comp_temp, ucomp_data.uncomp_temp, &bmp);
  129.  
  130.         cc_feed(comp_pres, comp_temp);
  131.       }
  132.     }
  133.     /* USER CODE END WHILE */
  134.  
  135.     /* USER CODE BEGIN 3 */
  136.   }
  137.   /* USER CODE END 3 */
  138. }
  139.  
  140. /**
  141.   * @brief System Clock Configuration
  142.   * @retval None
  143.   */
  144. void SystemClock_Config(void)
  145. {
  146.   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  147.   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  148.  
  149.   /** Initializes the RCC Oscillators according to the specified parameters
  150.   * in the RCC_OscInitTypeDef structure.
  151.   */
  152.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  153.   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  154.   RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  155.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  156.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  157.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  158.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL4;
  159.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  160.   {
  161.     Error_Handler();
  162.   }
  163.  
  164.   /** Initializes the CPU, AHB and APB buses clocks
  165.   */
  166.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  167.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  168.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  169.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  170.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  171.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  172.  
  173.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
  174.   {
  175.     Error_Handler();
  176.   }
  177. }
  178.  
  179. /**
  180.   * @brief I2C1 Initialization Function
  181.   * @param None
  182.   * @retval None
  183.   */
  184. static void MX_I2C1_Init(void)
  185. {
  186.  
  187.   /* USER CODE BEGIN I2C1_Init 0 */
  188.  
  189.   /* USER CODE END I2C1_Init 0 */
  190.  
  191.   /* USER CODE BEGIN I2C1_Init 1 */
  192.  
  193.   /* USER CODE END I2C1_Init 1 */
  194.   hi2c1.Instance = I2C1;
  195.   hi2c1.Init.ClockSpeed = 100000;
  196.   hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
  197.   hi2c1.Init.OwnAddress1 = 0;
  198.   hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
  199.   hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
  200.   hi2c1.Init.OwnAddress2 = 0;
  201.   hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
  202.   hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
  203.   if (HAL_I2C_Init(&hi2c1) != HAL_OK)
  204.   {
  205.     Error_Handler();
  206.   }
  207.   /* USER CODE BEGIN I2C1_Init 2 */
  208.  
  209.   /* USER CODE END I2C1_Init 2 */
  210.  
  211. }
  212.  
  213. /**
  214.   * @brief SPI1 Initialization Function
  215.   * @param None
  216.   * @retval None
  217.   */
  218. static void MX_SPI1_Init(void)
  219. {
  220.  
  221.   /* USER CODE BEGIN SPI1_Init 0 */
  222.  
  223.   /* USER CODE END SPI1_Init 0 */
  224.  
  225.   /* USER CODE BEGIN SPI1_Init 1 */
  226.  
  227.   /* USER CODE END SPI1_Init 1 */
  228.   /* SPI1 parameter configuration*/
  229.   hspi1.Instance = SPI1;
  230.   hspi1.Init.Mode = SPI_MODE_MASTER;
  231.   hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  232.   hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  233.   hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  234.   hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  235.   hspi1.Init.NSS = SPI_NSS_SOFT;
  236.   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
  237.   hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  238.   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  239.   hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  240.   hspi1.Init.CRCPolynomial = 10;
  241.   if (HAL_SPI_Init(&hspi1) != HAL_OK)
  242.   {
  243.     Error_Handler();
  244.   }
  245.   /* USER CODE BEGIN SPI1_Init 2 */
  246.  
  247.   /* USER CODE END SPI1_Init 2 */
  248.  
  249. }
  250.  
  251. /**
  252.   * @brief GPIO Initialization Function
  253.   * @param None
  254.   * @retval None
  255.   */
  256. static void MX_GPIO_Init(void)
  257. {
  258.   GPIO_InitTypeDef GPIO_InitStruct = {0};
  259.  
  260.   /* GPIO Ports Clock Enable */
  261.   __HAL_RCC_GPIOD_CLK_ENABLE();
  262.   __HAL_RCC_GPIOA_CLK_ENABLE();
  263.   __HAL_RCC_GPIOB_CLK_ENABLE();
  264.  
  265.   /*Configure GPIO pin Output Level */
  266.   HAL_GPIO_WritePin(GPIOA, SPI_NSS1_Pin|SPI_RESET_Pin, GPIO_PIN_RESET);
  267.  
  268.   /*Configure GPIO pin Output Level */
  269.   HAL_GPIO_WritePin(SPI_CD_GPIO_Port, SPI_CD_Pin, GPIO_PIN_RESET);
  270.  
  271.   /*Configure GPIO pins : SPI_NSS1_Pin SPI_RESET_Pin */
  272.   GPIO_InitStruct.Pin = SPI_NSS1_Pin|SPI_RESET_Pin;
  273.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  274.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  275.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  276.   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  277.  
  278.   /*Configure GPIO pin : SPI_CD_Pin */
  279.   GPIO_InitStruct.Pin = SPI_CD_Pin;
  280.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  281.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  282.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  283.   HAL_GPIO_Init(SPI_CD_GPIO_Port, &GPIO_InitStruct);
  284.  
  285.   /*Configure GPIO pin : PUSHBUTTON_Pin */
  286.   GPIO_InitStruct.Pin = PUSHBUTTON_Pin;
  287.   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  288.   GPIO_InitStruct.Pull = GPIO_PULLUP;
  289.   HAL_GPIO_Init(PUSHBUTTON_GPIO_Port, &GPIO_InitStruct);
  290.  
  291. }
  292.  
  293. /* USER CODE BEGIN 4 */
  294.  
  295. /* USER CODE END 4 */
  296.  
  297. /**
  298.   * @brief  This function is executed in case of error occurrence.
  299.   * @retval None
  300.   */
  301. void Error_Handler(void)
  302. {
  303.   /* USER CODE BEGIN Error_Handler_Debug */
  304.   /* User can add his own implementation to report the HAL error return state */
  305.   __disable_irq();
  306.   while (1)
  307.   {
  308.   }
  309.   /* USER CODE END Error_Handler_Debug */
  310. }
  311.  
  312. #ifdef  USE_FULL_ASSERT
  313. /**
  314.   * @brief  Reports the name of the source file and the source line number
  315.   *         where the assert_param error has occurred.
  316.   * @param  file: pointer to the source file name
  317.   * @param  line: assert_param error line source number
  318.   * @retval None
  319.   */
  320. void assert_failed(uint8_t *file, uint32_t line)
  321. {
  322.   /* USER CODE BEGIN 6 */
  323.   /* User can add his own implementation to report the file name and line number,
  324.      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  325.   /* USER CODE END 6 */
  326. }
  327. #endif /* USE_FULL_ASSERT */
  328.