bme280.h

#include <mraa/i2c.hpp>
#include "upm/iPressureSensor.h"
#include "upm/iTemperatureSensor.h"
#include "upm/iHumiditySensor.h"
#ifndef __BME280_H__
#define __BME280_H__


//#define BME280_MDELAY_DATA_TYPE uint32_t

/****************************************************/
/***************************************************/
#define BME280_I2C_ADDRESS1                  (0x76)
#define BME280_I2C_ADDRESS2                  (0x77)
#define BME280_ONE_U8X   (1)

namespace upm {



class BME280 : public ITemperatureSensor, public IHumiditySensor, public IPressureSensor {
    public:



        BME280 (int bus, int devAddr = BME280_I2C_ADDRESS1);

        ~BME280 ();

        uint16_t getTemperatureRaw ();

        int getTemperatureCelcius ();

        uint16_t getHumidityRaw ();

        int getHumidityRelative ();

        const char* getModuleName() { return "BME280"; }

        uint32_t getPressureRaw();

        int getPressurePa();


        int32_t getTemperatureInternal(void);

        int32_t getPressureInternal(void);

        int32_t getHumidityInternal(void);

        int32_t getTemperatureRawInternal(void);

        int32_t getPressureRawInternal(void);

        int32_t getHumidityRawInternal(void);

        bool isAvailable();


    private:
        /**************************************************************/
        /**************************************************************/
        static mraa::I2c* m_i2c;
        static int m_bus;

        static int32_t i2c_write_string(uint8_t dev_addr,uint8_t*  ptr, uint8_t cnt);
        static int32_t i2c_write_read_string(uint8_t dev_addr,uint8_t reg_addr , uint8_t * ptr, uint8_t cnt);
        static int8_t I2C_routine();
    static int8_t BME280_I2C_bus_write(uint8_t dev_addr, uint8_t reg_addr, uint8_t *reg_data, uint8_t cnt);
    static void BME280_delay_msek(uint16_t msek);
    static int8_t BME280_I2C_bus_read(uint8_t dev_addr, uint8_t reg_addr, uint8_t *reg_data, uint8_t cnt);

};







}

#endif