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/* USER CODE BEGIN Header */

/**

 ******************************************************************************

 * @file           : main.c

 * @brief          : Main program body

 ******************************************************************************

 * @attention

 *

 * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.

 * All rights reserved.</center></h2>

 *

 * This software component is licensed by ST under BSD 3-Clause license,

 * the "License"; You may not use this file except in compliance with the

 * License. You may obtain a copy of the License at:

 *                        opensource.org/licenses/BSD-3-Clause

 *

 ******************************************************************************

 */

/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/

#include "main.h"

#include "usb_device.h"

/* Private includes ----------------------------------------------------------*/

/* USER CODE BEGIN Includes */

#include "libSerial/serial.h"

#include "libBMP280/bmp280.h"

#include "display.h"

/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/

/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/

/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/

/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

I2C_HandleTypeDef hi2c2;

IWDG_HandleTypeDef hiwdg;

RTC_HandleTypeDef hrtc;

SPI_HandleTypeDef hspi1;

TIM_HandleTypeDef htim3;

TIM_HandleTypeDef htim4;

UART_HandleTypeDef huart1;

/* USER CODE BEGIN PV */

typedef struct

{

  uint8_t dev_addr;

} interface_t;

static int8_t

user_i2c_write (uint8_t i2c_addr, uint8_t reg_addr, uint8_t *reg_data,

                uint32_t len)

{

  HAL_StatusTypeDef st = HAL_I2C_Mem_Write (&hi2c2, i2c_addr << 1, reg_addr, 1,

                                            reg_data, len, 10000);

  return st != HAL_OK ? BMP280_E_COMM_FAIL : BMP280_OK;

}

static int8_t

user_i2c_read (uint8_t i2c_addr, uint8_t reg_addr, uint8_t *reg_data,

               uint32_t len)

{

  HAL_StatusTypeDef st = HAL_I2C_Mem_Read (&hi2c2, i2c_addr << 1, reg_addr, 1,

                                           reg_data, len, 10000);

  return st != HAL_OK ? BMP280_E_COMM_FAIL : BMP280_OK;

}

static void

user_delay_ms (uint32_t ms, void *handle)

{

  HAL_Delay (ms);

}

struct bmp280_dev bmp =

  {

  .intf = BMP280_I2C_INTF,

  .read = user_i2c_read,

  .write = user_i2c_write,

  .delay_ms = user_delay_ms,

   /* Update interface pointer with the structure that contains both device address and file descriptor */

  .dev_id = BMP280_I2C_ADDR_PRIM

  };

struct bmp280_dev bmp2 =

  {

  .intf = BMP280_I2C_INTF,

  .read = user_i2c_read,

  .write = user_i2c_write,

  .delay_ms = user_delay_ms,

  /* Update interface pointer with the structure that contains both device address and file descriptor */

  .dev_id = BMP280_I2C_ADDR_SEC

  };

int8_t rslt;

struct bmp280_config conf;

struct bmp280_config conf2;

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/

void SystemClock_Config(void);

static void MX_GPIO_Init(void);

static void MX_SPI1_Init(void);

static void MX_TIM4_Init(void);

static void MX_USART1_UART_Init(void);

static void MX_TIM3_Init(void);

static void MX_I2C2_Init(void);

static void MX_RTC_Init(void);

static void MX_IWDG_Init(void);

/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/

/* USER CODE BEGIN 0 */

uint32_t const TICKS_LOOP = 50; // 50mS per loop.

// initialise the BMP

uint8_t init_bmp(struct bmp280_config * conf, struct bmp280_dev * bmp )

{

  rslt = bmp280_init(bmp);

  if (rslt != BMP280_OK)

    return rslt;

  rslt = bmp280_get_config (conf, bmp);

  if (rslt != BMP280_OK)

    return rslt;

  /* configuring the temperature oversampling, filter coefficient and output data rate */

  /* Overwrite the desired settings */

  conf->filter = BMP280_FILTER_COEFF_2;

  /* Temperature oversampling set at 4x */

  conf->os_temp = BMP280_OS_4X;

  /* Pressure over sampling none (disabling pressure measurement) */

  conf->os_pres = BMP280_OS_4X;

  /* Setting the output data rate as 2HZ(500ms) */

  conf->odr = BMP280_ODR_500_MS;

  rslt = bmp280_set_config (conf, bmp);

  if (rslt != BMP280_OK)

    return rslt;

  /* Always set the power mode after setting the configuration */

  rslt = bmp280_set_power_mode (BMP280_NORMAL_MODE, bmp);

  if (rslt != BMP280_OK)

    return rslt;

}

/* USER CODE END 0 */

/**

  * @brief  The application entry point.

  * @retval int

  */

int main(void)

{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */

  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */

  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */

  MX_GPIO_Init();

  MX_SPI1_Init();

  MX_TIM4_Init();

  MX_USART1_UART_Init();

  MX_TIM3_Init();

  MX_I2C2_Init();

  MX_RTC_Init();

  MX_USB_DEVICE_Init();

  MX_IWDG_Init();

  /* USER CODE BEGIN 2 */

  HAL_GPIO_WritePin ( USB_PULLUP_GPIO_Port, USB_PULLUP_Pin, GPIO_PIN_RESET);

  HAL_Delay (1000);

  HAL_GPIO_WritePin ( USB_PULLUP_GPIO_Port, USB_PULLUP_Pin, GPIO_PIN_SET);

  /* setup the USART control blocks */

#if defined SERIAL_UART1

  init_usart_ctl (&uc1, &huart1);

  EnableSerialRxInterrupt (&uc1);

#endif

  init_bmp(&conf,&bmp);

  init_bmp(&conf2,&bmp2);

   cc_init ();

  uint32_t timeNext = HAL_GetTick () + TICKS_LOOP;

  /* USER CODE END 2 */

  /* Infinite loop */

  /* USER CODE BEGIN WHILE */

  while (1)

    {

      uint32_t timeNow = HAL_GetTick ();

      if (timeNow < timeNext)

        HAL_Delay (timeNext - timeNow);

      timeNext += TICKS_LOOP;

      cc_run (&bmp, &bmp2);

      // refresh watchdog timer

      HAL_IWDG_Refresh(&hiwdg);

    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */

    }

  /* USER CODE END 3 */

}

/**

  * @brief System Clock Configuration

  * @retval None

  */

void SystemClock_Config(void)

{

  RCC_OscInitTypeDef RCC_OscInitStruct = {0};

  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the RCC Oscillators according to the specified parameters

  * in the RCC_OscInitTypeDef structure.

  */

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_HSE

                              |RCC_OSCILLATORTYPE_LSE;

  RCC_OscInitStruct.HSEState = RCC_HSE_ON;

  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;

  RCC_OscInitStruct.LSEState = RCC_LSE_ON;

  RCC_OscInitStruct.HSIState = RCC_HSI_ON;

  RCC_OscInitStruct.LSIState = RCC_LSI_ON;

  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;

  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;

  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;

  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)

  {

    Error_Handler();

  }

  /** Initializes the CPU, AHB and APB buses clocks

  */

  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK

                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;

  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;

  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;

  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;

  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)

  {

    Error_Handler();

  }

  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC|RCC_PERIPHCLK_USB;

  PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;

  PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;

  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)

  {

    Error_Handler();

  }

}

/**

  * @brief I2C2 Initialization Function

  * @param None

  * @retval None

  */

static void MX_I2C2_Init(void)

{

  /* USER CODE BEGIN I2C2_Init 0 */

  /* USER CODE END I2C2_Init 0 */

  /* USER CODE BEGIN I2C2_Init 1 */

  /* USER CODE END I2C2_Init 1 */

  hi2c2.Instance = I2C2;

  hi2c2.Init.ClockSpeed = 100000;

  hi2c2.Init.DutyCycle = I2C_DUTYCYCLE_2;

  hi2c2.Init.OwnAddress1 = 0;

  hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;

  hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;

  hi2c2.Init.OwnAddress2 = 0;

  hi2c2.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;

  hi2c2.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;

  if (HAL_I2C_Init(&hi2c2) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN I2C2_Init 2 */

  /* USER CODE END I2C2_Init 2 */

}

/**

  * @brief IWDG Initialization Function

  * @param None

  * @retval None

  */

static void MX_IWDG_Init(void)

{

  /* USER CODE BEGIN IWDG_Init 0 */

  /* USER CODE END IWDG_Init 0 */

  /* USER CODE BEGIN IWDG_Init 1 */

  /* USER CODE END IWDG_Init 1 */

  hiwdg.Instance = IWDG;

  hiwdg.Init.Prescaler = IWDG_PRESCALER_16;

  hiwdg.Init.Reload = 4095;

  if (HAL_IWDG_Init(&hiwdg) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN IWDG_Init 2 */

  /* USER CODE END IWDG_Init 2 */

}

/**

  * @brief RTC Initialization Function

  * @param None

  * @retval None

  */

static void MX_RTC_Init(void)

{

  /* USER CODE BEGIN RTC_Init 0 */

  /* USER CODE END RTC_Init 0 */

  RTC_TimeTypeDef sTime = {0};

  RTC_DateTypeDef DateToUpdate = {0};

  /* USER CODE BEGIN RTC_Init 1 */

  /* USER CODE END RTC_Init 1 */

  /** Initialize RTC Only

  */

  hrtc.Instance = RTC;

  hrtc.Init.AsynchPrediv = RTC_AUTO_1_SECOND;

  hrtc.Init.OutPut = RTC_OUTPUTSOURCE_ALARM;

  if (HAL_RTC_Init(&hrtc) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN Check_RTC_BKUP */

  /* USER CODE END Check_RTC_BKUP */

  /** Initialize RTC and set the Time and Date

  */

  sTime.Hours = 0x0;

  sTime.Minutes = 0x0;

  sTime.Seconds = 0x0;

  if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BCD) != HAL_OK)

  {

    Error_Handler();

  }

  DateToUpdate.WeekDay = RTC_WEEKDAY_MONDAY;

  DateToUpdate.Month = RTC_MONTH_JANUARY;

  DateToUpdate.Date = 0x1;

  DateToUpdate.Year = 0x0;

  if (HAL_RTC_SetDate(&hrtc, &DateToUpdate, RTC_FORMAT_BCD) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN RTC_Init 2 */

  /* USER CODE END RTC_Init 2 */

}

/**

  * @brief SPI1 Initialization Function

  * @param None

  * @retval None

  */

static void MX_SPI1_Init(void)

{

  /* USER CODE BEGIN SPI1_Init 0 */

  /* USER CODE END SPI1_Init 0 */

  /* USER CODE BEGIN SPI1_Init 1 */

  /* USER CODE END SPI1_Init 1 */

  /* SPI1 parameter configuration*/

  hspi1.Instance = SPI1;

  hspi1.Init.Mode = SPI_MODE_MASTER;

  hspi1.Init.Direction = SPI_DIRECTION_1LINE;

  hspi1.Init.DataSize = SPI_DATASIZE_8BIT;

  hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH;

  hspi1.Init.CLKPhase = SPI_PHASE_2EDGE;

  hspi1.Init.NSS = SPI_NSS_SOFT;

  hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;

  hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;

  hspi1.Init.TIMode = SPI_TIMODE_DISABLE;

  hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;

  hspi1.Init.CRCPolynomial = 10;

  if (HAL_SPI_Init(&hspi1) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN SPI1_Init 2 */

  /* USER CODE END SPI1_Init 2 */

}

/**

  * @brief TIM3 Initialization Function

  * @param None

  * @retval None

  */

static void MX_TIM3_Init(void)

{

  /* USER CODE BEGIN TIM3_Init 0 */

  /* USER CODE END TIM3_Init 0 */

  TIM_MasterConfigTypeDef sMasterConfig = {0};

  TIM_OC_InitTypeDef sConfigOC = {0};

  /* USER CODE BEGIN TIM3_Init 1 */

  /* USER CODE END TIM3_Init 1 */

  htim3.Instance = TIM3;

  htim3.Init.Prescaler = 719;

  htim3.Init.CounterMode = TIM_COUNTERMODE_UP;

  htim3.Init.Period = 10000;

  htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;

  htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;

  if (HAL_TIM_OC_Init(&htim3) != HAL_OK)

  {

    Error_Handler();

  }

  if (HAL_TIM_OnePulse_Init(&htim3, TIM_OPMODE_SINGLE) != HAL_OK)

  {

    Error_Handler();

  }

  sMasterConfig.MasterOutputTrigger = TIM_TRGO_ENABLE;

  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;

  if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK)

  {

    Error_Handler();

  }

  sConfigOC.OCMode = TIM_OCMODE_TIMING;

  sConfigOC.Pulse = 9999;

  sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;

  sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;

  if (HAL_TIM_OC_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN TIM3_Init 2 */

  /* USER CODE END TIM3_Init 2 */

}

/**

  * @brief TIM4 Initialization Function

  * @param None

  * @retval None

  */

static void MX_TIM4_Init(void)

{

  /* USER CODE BEGIN TIM4_Init 0 */

  /* USER CODE END TIM4_Init 0 */

  TIM_Encoder_InitTypeDef sConfig = {0};

  TIM_MasterConfigTypeDef sMasterConfig = {0};

  /* USER CODE BEGIN TIM4_Init 1 */

  /* USER CODE END TIM4_Init 1 */

  htim4.Instance = TIM4;

  htim4.Init.Prescaler = 0;

  htim4.Init.CounterMode = TIM_COUNTERMODE_UP;

  htim4.Init.Period = 65535;

  htim4.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;

  htim4.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;

  sConfig.EncoderMode = TIM_ENCODERMODE_TI12;

  sConfig.IC1Polarity = TIM_ICPOLARITY_RISING;

  sConfig.IC1Selection = TIM_ICSELECTION_DIRECTTI;

  sConfig.IC1Prescaler = TIM_ICPSC_DIV1;

  sConfig.IC1Filter = 15;

  sConfig.IC2Polarity = TIM_ICPOLARITY_RISING;

  sConfig.IC2Selection = TIM_ICSELECTION_DIRECTTI;

  sConfig.IC2Prescaler = TIM_ICPSC_DIV1;

  sConfig.IC2Filter = 15;

  if (HAL_TIM_Encoder_Init(&htim4, &sConfig) != HAL_OK)

  {

    Error_Handler();

  }

  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;

  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;

  if (HAL_TIMEx_MasterConfigSynchronization(&htim4, &sMasterConfig) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN TIM4_Init 2 */

  /* USER CODE END TIM4_Init 2 */

}

/**

  * @brief USART1 Initialization Function

  * @param None

  * @retval None

  */

static void MX_USART1_UART_Init(void)

{

  /* USER CODE BEGIN USART1_Init 0 */

  /* USER CODE END USART1_Init 0 */

  /* USER CODE BEGIN USART1_Init 1 */

  /* USER CODE END USART1_Init 1 */

  huart1.Instance = USART1;

  huart1.Init.BaudRate = 9600;

  huart1.Init.WordLength = UART_WORDLENGTH_8B;

  huart1.Init.StopBits = UART_STOPBITS_1;

  huart1.Init.Parity = UART_PARITY_NONE;

  huart1.Init.Mode = UART_MODE_TX_RX;

  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;

  huart1.Init.OverSampling = UART_OVERSAMPLING_16;

  if (HAL_UART_Init(&huart1) != HAL_OK)

  {

    Error_Handler();

  }

  /* USER CODE BEGIN USART1_Init 2 */

  /* USER CODE END USART1_Init 2 */

}

/**

  * @brief GPIO Initialization Function

  * @param None

  * @retval None

  */

static void MX_GPIO_Init(void)

{

  GPIO_InitTypeDef GPIO_InitStruct = {0};

  /* GPIO Ports Clock Enable */

  __HAL_RCC_GPIOC_CLK_ENABLE();

  __HAL_RCC_GPIOD_CLK_ENABLE();

  __HAL_RCC_GPIOA_CLK_ENABLE();

  __HAL_RCC_GPIOB_CLK_ENABLE();

  /*Configure GPIO pin Output Level */

  HAL_GPIO_WritePin(Green_LED_GPIO_Port, Green_LED_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin Output Level */

  HAL_GPIO_WritePin(GPIOA, SPI_CD_Pin|SPI_RESET_Pin|SPI_NSS1_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin Output Level */

  HAL_GPIO_WritePin(USB_PULLUP_GPIO_Port, USB_PULLUP_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin : Green_LED_Pin */

  GPIO_InitStruct.Pin = Green_LED_Pin;

  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

  GPIO_InitStruct.Pull = GPIO_NOPULL;

  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

  HAL_GPIO_Init(Green_LED_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pins : SPI_CD_Pin SPI_RESET_Pin SPI_NSS1_Pin */

  GPIO_InitStruct.Pin = SPI_CD_Pin|SPI_RESET_Pin|SPI_NSS1_Pin;

  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

  GPIO_InitStruct.Pull = GPIO_NOPULL;

  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  /*Configure GPIO pin : USB_PULLUP_Pin */

  GPIO_InitStruct.Pin = USB_PULLUP_Pin;

  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

  GPIO_InitStruct.Pull = GPIO_NOPULL;

  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

  HAL_GPIO_Init(USB_PULLUP_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pin : encoder_push_Pin */

  GPIO_InitStruct.Pin = encoder_push_Pin;

  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;

  GPIO_InitStruct.Pull = GPIO_PULLUP;

  HAL_GPIO_Init(encoder_push_GPIO_Port, &GPIO_InitStruct);

}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**

  * @brief  This function is executed in case of error occurrence.

  * @retval None

  */

void Error_Handler(void)

{

  /* USER CODE BEGIN Error_Handler_Debug */

  /* User can add his own implementation to report the HAL error return state */

  /* USER CODE END Error_Handler_Debug */

}

#ifdef  USE_FULL_ASSERT

/**

  * @brief  Reports the name of the source file and the source line number

  *         where the assert_param error has occurred.

  * @param  file: pointer to the source file name

  * @param  line: assert_param error line source number

  * @retval None

  */

void assert_failed(uint8_t *file, uint32_t line)

{

  /* USER CODE BEGIN 6 */

  /* User can add his own implementation to report the file name and line number,

     tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

  /* USER CODE END 6 */

}

#endif /* USE_FULL_ASSERT */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/