IHAL.h

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#ifndef IHAL_H
#define IHAL_H
 
#include <stddef.h>
 
using AnalogValue = int;
 
enum DigitalValue {
    DigitalLow = 0,
    DigitalHigh = 1,
};
 
enum PinMode {
    InputMode = 0,
    OutputMode = 1,
};

class IHAL {
public:
    virtual ~IHAL() = default;
 
    // Analog I/O

    virtual AnalogValue analogRead(int pin) = 0;

    virtual void analogWrite(int pin, AnalogValue value) = 0;

    virtual AnalogValue getMaxAnalogReadQuant() const = 0;

    virtual AnalogValue getMaxAnalogWriteQuant() const = 0;
 
    // Digital I/O

    virtual void configurePin(int pin, PinMode mode) = 0;

    virtual DigitalValue digitalRead(int pin) = 0;

    virtual void digitalWrite(int pin, DigitalValue value) = 0;
 
    // Serial

    virtual void beginSerial() = 0;

    virtual size_t print(const char *s) = 0;

    virtual size_t println(const char *s) = 0;
 
    // Timing

    virtual void delayMs(unsigned long durationMs) = 0;

    virtual unsigned long getTimeMs() = 0;
};
 
#endif // IHAL_H