hyperion.ng/libsrc/leddevice/LedDeviceRawHID.h

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#pragma once
// STL includes
#include <string>
// Qt includes
#include <QTimer>
// hyperion include
#include "LedHIDDevice.h"
///
/// Implementation of the LedDevice interface for writing to an RawHID led device.
///
class LedDeviceRawHID : public LedHIDDevice
{
Q_OBJECT
public:
///
/// Constructs the LedDevice for attached RawHID device
///
LedDeviceRawHID(const unsigned short VendorId, const unsigned short ProductId, int delayAfterConnect_ms);
///
/// Writes the led color values to the led-device
///
/// @param ledValues The color-value per led
/// @return Zero on succes else negative
///
virtual int write(const std::vector<ColorRgb> & ledValues);
/// Switch the leds off
virtual int switchOff();
private slots:
/// Write the last data to the leds again
void rewriteLeds();
private:
/// The buffer containing the packed RGB values
std::vector<uint8_t> _ledBuffer;
/// Timer object which makes sure that led data is written at a minimum rate
/// The RawHID device will switch off when it does not receive data at least
/// every 15 seconds
QTimer _timer;
};