LedDeviceLightpack.h

#pragma once

// stl includes
#include <cstdint>

// libusb include
#include <libusb.h>

// Hyperion includes
#include <leddevice/LedDevice.h>

class LedDeviceLightpack : public LedDevice
{
public:
    LedDeviceLightpack(const QString & serialNumber = "");
    LedDeviceLightpack(const QJsonObject &deviceConfig);

    bool init(const QJsonObject &deviceConfig);

    static LedDevice* construct(const QJsonObject &deviceConfig);

    virtual ~LedDeviceLightpack();

    int open();

    int write(const ColorRgb * ledValues, int size);

    virtual int switchOff();

    const QString & getSerialNumber() const;

    int getLedCount() const;

private:
    virtual int write(const std::vector<ColorRgb>& ledValues);

    int testAndOpen(libusb_device * device, const QString & requestedSerialNumber);

    int writeBytes(uint8_t *data, int size);

    int disableSmoothing();

    struct Version
    {
        int majorVersion;
        int minorVersion;
    };

    static libusb_device_handle * openDevice(libusb_device * device);
    static QString getString(libusb_device * device, int stringDescriptorIndex);

    libusb_context * _libusbContext;

    libusb_device_handle * _deviceHandle;

    int _busNumber;

    int  _addressNumber;

    QString _serialNumber;

    Version _firmwareVersion;

    int _bitsPerChannel;
    
    int _hwLedCount;
};