Leddevices source tree refactoring (#461)

* rework structure of leddevice source tree

* fix data type vor v4l sig detection value in webui

* automate leddevicefactory.cpp

libsrc/leddevice/dev_serial/LedDeviceSedu.cpp

@@ -0,0 +1,52 @@
+#include "LedDeviceSedu.h"
+
+struct FrameSpec
+{
+	uint8_t id;
+	size_t size;
+};
+
+LedDeviceSedu::LedDeviceSedu(const QJsonObject &deviceConfig)
+	: ProviderRs232()
+{
+	_deviceReady = init(deviceConfig);
+}
+
+LedDevice* LedDeviceSedu::construct(const QJsonObject &deviceConfig)
+{
+	return new LedDeviceSedu(deviceConfig);
+}
+
+bool LedDeviceSedu::init(const QJsonObject &deviceConfig)
+{
+	ProviderRs232::init(deviceConfig);
+
+	std::vector<FrameSpec> frameSpecs{{0xA1, 256}, {0xA2, 512}, {0xB0, 768}, {0xB1, 1536}, {0xB2, 3072} };
+
+	for (const FrameSpec& frameSpec : frameSpecs)
+	{
+		if ((unsigned)_ledRGBCount <= frameSpec.size)
+		{
+			_ledBuffer.clear();
+			_ledBuffer.resize(frameSpec.size + 3, 0);
+			_ledBuffer[0] = 0x5A;
+			_ledBuffer[1] = frameSpec.id;
+			_ledBuffer.back() = 0xA5;
+			break;
+		}
+	}
+
+	if (_ledBuffer.size() == 0)
+	{
+		Warning(_log, "More rgb-channels required then available");
+		return false;
+	}
+
+	return true;
+}
+
+int LedDeviceSedu::write(const std::vector<ColorRgb> &ledValues)
+{
+	memcpy(_ledBuffer.data()+2, ledValues.data(), ledValues.size() * sizeof(ColorRgb));
+	return writeBytes(_ledBuffer.size(), _ledBuffer.data());
+}