Leddevices source tree refactoring (#461)

* rework structure of leddevice source tree * fix data type vor v4l sig detection value in webui * automate leddevicefactory.cpp
2025-03-01 10:33:28 +00:00 · 2017-08-07 10:05:46 +02:00
parent f3bbe158bf
commit 317a903b14
76 changed files with 98 additions and 222 deletions
--- a/libsrc/leddevice/dev_net/LedDeviceFadeCandy.cpp
+++ b/libsrc/leddevice/dev_net/LedDeviceFadeCandy.cpp
@@ -0,0 +1,147 @@
+#include "LedDeviceFadeCandy.h"
+
+static const signed   MAX_NUM_LEDS    = 10000; // OPC can handle 21845 leds - in theory, fadecandy device should handle 10000 leds
+static const unsigned OPC_SET_PIXELS  = 0;     // OPC command codes
+static const unsigned OPC_SYS_EX      = 255;     // OPC command codes
+static const unsigned OPC_HEADER_SIZE = 4;     // OPC header size
+
+
+LedDeviceFadeCandy::LedDeviceFadeCandy(const QJsonObject &deviceConfig)
+: LedDevice()
+{
+	_deviceReady = init(deviceConfig);
+}
+
+
+LedDeviceFadeCandy::~LedDeviceFadeCandy()
+{
+	_client.close();
+}
+
+LedDevice* LedDeviceFadeCandy::construct(const QJsonObject &deviceConfig)
+{
+	return new LedDeviceFadeCandy(deviceConfig);
+}
+
+
+bool LedDeviceFadeCandy::init(const QJsonObject &deviceConfig)
+{
+	_client.close();
+
+	if (_ledCount > MAX_NUM_LEDS)
+	{
+		Error(_log, "fadecandy/opc: Invalid attempt to write led values. Not more than %d leds are allowed.", MAX_NUM_LEDS);
+		return false;
+	}
+
+	_host        = deviceConfig["output"].toString("127.0.0.1");
+	_port        = deviceConfig["port"].toInt(7890);
+	_channel     = deviceConfig["channel"].toInt(0);
+	_gamma       = deviceConfig["gamma"].toDouble(1.0);
+	_noDither    = ! deviceConfig["dither"].toBool(false);
+	_noInterp    = ! deviceConfig["interpolation"].toBool(false);
+	_manualLED   = deviceConfig["manualLed"].toBool(false);
+	_ledOnOff    = deviceConfig["ledOn"].toBool(false);
+	_setFcConfig = deviceConfig["setFcConfig"].toBool(false);
+
+	_whitePoint_r = 1.0;
+	_whitePoint_g = 1.0;
+	_whitePoint_b = 1.0;
+
+	const QJsonArray whitePointConfig = deviceConfig["whitePoint"].toArray();
+	if ( !whitePointConfig.isEmpty() && whitePointConfig.size() == 3 )
+	{
+		_whitePoint_r = whitePointConfig[0].toDouble() / 255.0;
+		_whitePoint_g = whitePointConfig[1].toDouble() / 255.0;
+		_whitePoint_b = whitePointConfig[2].toDouble() / 255.0;
+	}
+
+	_opc_data.resize( _ledRGBCount + OPC_HEADER_SIZE );
+	_opc_data[0] = _channel;
+	_opc_data[1] = OPC_SET_PIXELS;
+	_opc_data[2] = _ledRGBCount >> 8;
+	_opc_data[3] = _ledRGBCount & 0xff;
+
+	return true;
+}
+
+bool LedDeviceFadeCandy::isConnected()
+{
+	return _client.state() == QAbstractSocket::ConnectedState;
+}
+
+
+bool LedDeviceFadeCandy::tryConnect()
+{
+	if (  _client.state() == QAbstractSocket::UnconnectedState ) {
+		_client.connectToHost( _host, _port);
+		if ( _client.waitForConnected(1000) )
+		{
+			Info(_log,"fadecandy/opc: connected to %s:%i on channel %i", QSTRING_CSTR(_host), _port, _channel);
+			if (_setFcConfig)
+			{
+				sendFadeCandyConfiguration();
+			}
+		}
+	}
+
+	return isConnected();
+}
+
+
+int LedDeviceFadeCandy::write( const std::vector<ColorRgb> & ledValues )
+{
+	uint idx = OPC_HEADER_SIZE;
+	for (const ColorRgb& color : ledValues)
+	{
+		_opc_data[idx  ] = unsigned( color.red   );
+		_opc_data[idx+1] = unsigned( color.green );
+		_opc_data[idx+2] = unsigned( color.blue  );
+		idx += 3;
+	}
+
+	return ( transferData()<0 ? -1 : 0 );
+}
+
+
+int LedDeviceFadeCandy::transferData()
+{
+	if ( isConnected() || tryConnect() )
+		return _client.write( _opc_data, _opc_data.size() );
+
+	return -2;
+}
+
+int LedDeviceFadeCandy::sendSysEx(uint8_t systemId, uint8_t commandId, QByteArray msg)
+{
+	if ( isConnected() )
+	{
+		QByteArray sysExData;
+		ssize_t data_size = msg.size() + 4;
+		sysExData.resize( 4 + OPC_HEADER_SIZE );
+
+		sysExData[0] = 0;
+		sysExData[1] = OPC_SYS_EX;
+		sysExData[2] = data_size >>8;
+		sysExData[3] = data_size &0xff;
+		sysExData[4] = systemId >>8;
+		sysExData[5] = systemId &0xff;
+		sysExData[6] = commandId >>8;
+		sysExData[7] = commandId &0xff;
+
+		sysExData += msg;
+
+		return _client.write( sysExData, sysExData.size() );
+	}
+	return -1;
+}
+
+void LedDeviceFadeCandy::sendFadeCandyConfiguration()
+{
+	Debug(_log, "send configuration to fadecandy");
+	QString data = "{\"gamma\": "+QString::number(_gamma,'g',4)+", \"whitepoint\": ["+QString::number(_whitePoint_r,'g',4)+", "+QString::number(_whitePoint_g,'g',4)+", "+QString::number(_whitePoint_b,'g',4)+"]}";
+	sendSysEx(1, 1, data.toLocal8Bit() );
+
+	char firmware_data = ((uint8_t)_noDither | ((uint8_t)_noInterp << 1) | ((uint8_t)_manualLED << 2) | ((uint8_t)_ledOnOff << 3) );
+	sendSysEx(1, 2, QByteArray(1,firmware_data) );
+}