#ifndef __AHT2x_H
#define __AHT2x_H
#include <Wire.h>

#define AHT_I2C_ADDR 0x38

class AHT2x {
public:
    AHT2x(TwoWire &i2c);
    bool setup(uint8_t address = AHT_I2C_ADDR, bool crc = false);
    bool scan();
    bool isReady();
    bool isCalibrated();
    void reset();
    bool readSensor(unsigned long tick);
    inline int16_t getHumidity() const { return m_nRH; }
    inline int16_t getTemperature() const { return m_nTemp; }
    inline void setScanFlag(bool bScan) { m_bScan = bScan; }
    inline bool sensor() { return m_bSensor; }

private:
    TwoWire &_i2c;
    uint8_t m_nAddress;
    bool _active_crc;
    uint8_t _buf[7];
    int16_t m_nRH, m_nTemp;
    int16_t humid[4], temp[4];

    uint8_t status();
    void calibrate();
    bool measure();
    uint8_t crc8();
    void requestMeasurement(unsigned long tick);

    bool bRequested;
    bool m_bSensor;
    bool m_bScan;
    unsigned long tickRequested;
    uint8_t m_nErrorCount;
};

extern class AHT2x aht25, aht10_0x39;
#endif