Pin.h

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#pragma once

#include "Treehopper.h"
#include <stdint.h>
#include <functional>
#include "DigitalIn.h"
#include "DigitalOut.h"
#include "Event.h"
#include "SpiChipSelectPin.h"
#include "AdcPin.h"

using namespace std;

namespace Treehopper {
    class TreehopperUsb;

    enum class AdcReferenceLevel {
        VREF_3V3,
        VREF_1V65,
        VREF_1V8,
        VREF_2V4,
        VREF_3V3_DERIVED,
        VREF_3V6
    };

    enum class PinMode {
        Reserved,
        DigitalInput,
        PushPullOutput,
        OpenDrainOutput,
        AnalogInput,
        Unassigned
    };

    class TREEHOPPER_API Pin : public DigitalIn, public AdcPin, public SpiChipSelectPin {
        friend class TreehopperUsb;

    public:
        Pin(TreehopperUsb *board, uint8_t pinNumber);

        void mode(PinMode value);

        PinMode mode();

        void makePushPullOutput() override;

        void makeDigitalInput() override;

        void makeAnalogInput();

        void digitalValue(bool val) override;

        bool digitalValue() override;

        void toggleOutput();

        void referenceLevel(AdcReferenceLevel value);

        AdcReferenceLevel referenceLevel();

        double analogValue();

        double analogVoltage();

        int adcValue();

        Event<Pin, AnalogValueChangedEventArgs> analogValueChanged;

        Event<Pin, AnalogVoltageChangedEventArgs> analogVoltageChanged;

        Event<Pin, AdcValueChangedEventArgs> adcValueChanged;

    protected:
        void SendCommand(uint8_t *data, size_t length);

        TreehopperUsb *board;

        int _adcValue;
        double _analogValue;
        double _analogVoltage;

        virtual void updateValue(uint8_t high, uint8_t low);

        virtual void writeOutputValue() override;

        PinMode _mode;
        AdcReferenceLevel _referenceLevel;
    };
}