// --------------------------------------------------------------------------------------------------------------------
/// \file  bme280.h
/// \brief File description
// --------------------------------------------------------------------------------------------------------------------
//
// vbchaos software design
// 
// --------------------------------------------------------------------------------------------------------------------
/// $Revision: $
/// $Author: $
/// $Date: $
//  (c) 2023 vbchaos
// --------------------------------------------------------------------------------------------------------------------


#ifndef MAIN_INC_BMP280_H_
#define MAIN_INC_BMP280_H_

/**
 * bme280 implementation
 * \defgroup bme280
 * \brief {group_description}
 * \addtogroup {Layer}
 *
 * Detailed description
 * @{
 */



// --------------------------------------------------------------------------------------------------------------------
// Include files 
// --------------------------------------------------------------------------------------------------------------------

// CompilerIncludes
//  All include files that are provided by the compiler directly



// ProjectIncludes
// All include files that are provided by the project
#include "i2c.h"

// --------------------------------------------------------------------------------------------------------------------
// Constant and macro definitions 
// --------------------------------------------------------------------------------------------------------------------

#define BMP280_DEVICE_ID                        ((uint8_t)0x58)
#define BMP280_RESET_VALUE                      ((uint8_t)0xB6)

// --------------------------------------------------------------------------------------------------------------------
// Type definitions. 
// --------------------------------------------------------------------------------------------------------------------



// --------------------------------------------------------------------------------------------------------------------
// Function declarations 
// --------------------------------------------------------------------------------------------------------------------

class BMP280
{
   public:
      BMP280(I2C* bus, uint8_t slaveAddress);

      typedef enum
      {
         STANDBY = 0,
         FORCED = 1,
         NORMAL = 3
      } BMP280_Mode_t;
      typedef enum
      {
         SKIPPED = 0,
         X1 = 1,
         X2 = 2,
         X4 = 3,
         X8 = 4,
         X16 = 5
      } BMP280_Oversampling_t;

      void resetSensor(void);
      bool initialize(void);
      bool setSensorMode(BMP280_Mode_t mode);
      bool setSensorTemperatureOversampling(BMP280_Oversampling_t oversampling);

      int getTemperature(void);

   private:

      struct CompensationParameters
      {
         // Temperature compensation parameters
         uint16_t dig_T1;
         int16_t dig_T2;
         int16_t dig_T3;
         // Pressure compensation parameters
         uint16_t dig_P1;
         int16_t dig_P2;
         int16_t dig_P3;
         int16_t dig_P4;
         int16_t dig_P5;
         int16_t dig_P6;
         int16_t dig_P7;
         int16_t dig_P8;
         int16_t dig_P9;
      } compensationParameters;

      struct memorymap
      {
         struct
         {
            uint8_t msb;
            uint8_t lsb;
            uint8_t xlsb;
         } temperature_raw;
         struct
         {
            uint8_t msb;
            uint8_t lsb;
            uint8_t xlsb;
         } pressure_raw;
         struct
         {
            uint8_t mode : 2;
            uint8_t oversampling_pressure : 3;
            uint8_t oversampling_temp : 3;
         } config;
         uint8_t ctrl_meas;
         uint8_t status;
         uint8_t reset;
         uint8_t id;
      } memorymap;

      int t_fine;
      int temperature;

      I2C* bus;
      uint8_t slaveAddress;
      BMP280_Mode_t mode;

      void resetDriver(void);

      // Communication with Device
      void resetDevice(void);
      void getDeviceID(void);
      void setSensorConfiguration(void);

      void getCompensationValues(void);

      void compensateTemperature(void);

      void getPreasureValues(void);
      void getTemperatureValues(void);

};


/** @} */

#endif /* MAIN_INC_BMP280_H_ */