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/ProviderRs232.h

@@ -0,0 +1,98 @@
+#pragma once
+
+#include <QObject>
+#include <QSerialPort>
+#include <QTimer>
+#include <QString>
+
+// Leddevice includes
+#include <leddevice/LedDevice.h>
+
+///
+/// The ProviderRs232 implements an abstract base-class for LedDevices using a RS232-device.
+///
+class ProviderRs232 : public LedDevice
+{
+	Q_OBJECT
+
+public:
+	///
+	/// Constructs specific LedDevice
+	///
+	ProviderRs232();
+
+	///
+	/// Sets configuration
+	///
+	/// @param deviceConfig the json device config
+	/// @return true if success
+	virtual bool init(const QJsonObject &deviceConfig);
+
+	///
+	/// Destructor of the LedDevice; closes the output device if it is open
+	///
+	virtual ~ProviderRs232();
+
+	///
+	/// Opens and configures the output device
+	///
+	/// @return Zero on succes else negative
+	///
+	int open();
+
+private slots:
+	/// Write the last data to the leds again
+	int rewriteLeds();
+
+	/// Unblock the device after a connection delay
+	void unblockAfterDelay();
+	void error(QSerialPort::SerialPortError error);
+	void bytesWritten(qint64 bytes);
+	void readyRead();
+
+signals:
+	void receivedData(QByteArray data);
+
+protected:
+	/**
+	 * Writes the given bytes to the RS232-device and
+	 *
+	 * @param[in[ size The length of the data
+	 * @param[in] data The data
+	 *
+	 * @return Zero on success else negative
+	 */
+	int writeBytes(const qint64 size, const uint8_t *data);
+
+	void closeDevice();
+
+	QString findSerialDevice();
+
+	// tries to open device if not opened
+	bool tryOpen(const int delayAfterConnect_ms);
+
+
+	/// The name of the output device
+	QString _deviceName;
+
+	/// The used baudrate of the output device
+	qint32 _baudRate_Hz;
+
+	/// Sleep after the connect before continuing
+	int _delayAfterConnect_ms;
+
+	/// The RS232 serial-device
+	QSerialPort _rs232Port;
+
+	bool _blockedForDelay;
+	
+	bool _stateChanged;
+
+	qint64 _bytesToWrite;
+	qint64 _bytesWritten;
+	qint64 _frameDropCounter;
+	QSerialPort::SerialPortError _lastError;
+	qint64                       _preOpenDelayTimeOut;
+	int                          _preOpenDelay;
+	bool                         _enableAutoDeviceName;
+};