hyperion.ng/include/leddevice/LedDevice.h

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#pragma once
// STL incldues
#include <vector>
#include <QObject>
#include <map>
// Utility includes
#include <utils/ColorRgb.h>
#include <utils/ColorRgbw.h>
#include <utils/RgbToRgbw.h>
#include <utils/Logger.h>
#include <functional>
#include <json/json.h>
class LedDevice;
typedef LedDevice* ( *LedDeviceCreateFuncType ) ( const Json::Value& );
typedef std::map<std::string,LedDeviceCreateFuncType> LedDeviceRegistry;
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///
/// Interface (pure virtual base class) for LedDevices.
///
class LedDevice : public QObject
{
Q_OBJECT
public:
LedDevice();
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///
/// Empty virtual destructor for pure virtual base class
///
virtual ~LedDevice() {}
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///
/// Writes the RGB-Color values to the leds.
///
/// @param[in] ledValues The RGB-color per led
///
/// @return Zero on success else negative
///
virtual int write(const std::vector<ColorRgb>& ledValues) = 0;
/// Switch the leds off
virtual int switchOff() = 0;
///
/// Opens and configures the output device
///
/// @return Zero on succes else negative
///
virtual int open();
static int addToDeviceMap(std::string name, LedDeviceCreateFuncType funcPtr);
static const LedDeviceRegistry& getDeviceMap();
static void setActiveDevice(std::string dev);
static std::string activeDevice() { return _activeDevice; };
protected:
/// The common Logger instance for all LedDevices
Logger * _log;
int _ledCount;
/// The buffer containing the packed RGB values
std::vector<uint8_t> _ledBuffer;
static std::string _activeDevice;
static LedDeviceRegistry _ledDeviceMap;
};