Uts_gpio.h

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#ifndef UTS_GPIO_H
#define UTS_GPIO_H
 
#include <Arduino.h>
 
#include <Uts_togglable.h>
 
class Uts_tic;

class Uts_gpio : public Uts_togglable {
    private:
        const uint8_t port;

        const uint32_t trig_pin;

        const uint32_t echo_pin;

        Uts_tic *uts_tic_ptr;

        bool scan_for_uts_tic ();

        inline bool send_trig () { return send_trig(true); }

        void update ();

        static volatile unsigned long prev_echo_micros;

        static const uint32_t MIN_UTS_QUERY_SEPARATION_MICROS;
 
    protected:
        bool send_trig (bool wait_min_separation);

        inline uint8_t get_port () { return port; }

        inline uint32_t get_trig_pin () { return trig_pin; }

        inline uint32_t get_echo_pin () { return echo_pin; }

        bool actual_begin ();

        void actual_end ();
 
    public:
        Uts_gpio (const uint8_t init_port);

        virtual bool begin ();
        
        virtual void end ();
        
        virtual uint16_t read_dist_mm ();
};
 
#include <Uts_tic.h>
 
#endif // #ifndef UTS_GPIO_H