hyperion.ng/libsrc/leddevice/LedDeviceFadeCandy.h

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#pragma once
// STL/Qt includes
#include <fstream>
#include <QObject>
#include <QTcpSocket>
// Leddevice includes
#include <leddevice/LedDevice.h>
#include <json/json.h>
///
/// Implementation of the LedDevice interface for sending to
/// fadecandy/opc-server via network by using the 'open pixel control' protocol.
///
class LedDeviceFadeCandy : public LedDevice
{
Q_OBJECT
public:
///
/// Constructs the LedDevice for fadecandy/opc server
///
/// following code shows all config options
/// @code
/// "device" :
/// {
/// "name" : "MyPi",
/// "type" : "fadecandy",
/// "output" : "localhost",
/// "colorOrder" : "rgb",
/// "setFcConfig" : false,
/// "gamma" : 1.0,
/// "whitepoint" : [1.0, 1.0, 1.0],
/// "dither" : false,
/// "interpolation" : false,
/// "manualLed" : false,
/// "ledOn" : false
/// },
///@endcode
///
/// @param deviceConfig json config for fadecandy
///
LedDeviceFadeCandy(const Json::Value &deviceConfig);
///
/// Destructor of the LedDevice; closes the tcp client
///
virtual ~LedDeviceFadeCandy();
///
/// Sets configuration
///
/// @param deviceConfig the json device config
/// @return true if success
bool setConfig(const Json::Value &deviceConfig);
///
/// 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:
QTcpSocket _client;
std::string _host;
uint16_t _port;
unsigned _channel;
QByteArray _opc_data;
// fadecandy sysEx
bool _setFcConfig;
double _gamma;
double _whitePoint_r;
double _whitePoint_g;
double _whitePoint_b;
bool _noDither;
bool _noInterp;
bool _manualLED;
bool _ledOnOff;
/// try to establish connection to opc server, if not connected yet
///
/// @return true if connection is established
///
bool tryConnect();
/// return the conenction state
///
/// @return True if connection established
///
bool isConnected();
/// transfer current opc_data buffer to opc server
///
/// @return amount of transfered bytes. -1 error while transfering, -2 error while connecting
///
int transferData();
/// send system exclusive commands
///
/// @param systemId fadecandy device identifier (for standard fadecandy always: 1)
/// @param commandId id of command
/// @param msg the sysEx message
/// @return amount bytes written, -1 if fail
int sendSysEx(uint8_t systemId, uint8_t commandId, QByteArray msg);
/// sends the configuration to fcserver
void sendFadeCandyConfiguration();
};