Uts_i2c.h

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#ifndef UTS_I2C_H
#define UTS_I2C_H
 
#include <Arduino.h>
#include <Wire.h>
 
#include <Uts_togglable.h>

class Uts_i2c : public Uts_togglable {
    private:
        uint8_t i2c_address;

        static const uint8_t DEFAULT_I2C_ADDRESS;

        static const uint32_t I2C_FREQ;

        const uint8_t port;

        volatile unsigned long prev_trig_micros;
 
        // // the previous time an echo is received (unit is microseconds)
        // volatile unsigned long prev_echo_micros;
        
        friend void JM9_uts_i2c_callback ();

        bool send_trig ();

        bool available ();

        bool update ();
 
    public:
        Uts_i2c (const uint8_t init_port);

        bool begin ();

        bool begin (const uint8_t init_i2c_address);
        
        void end ();
};
 
#endif // #ifndef UTS_I2C_H