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_hid/LedDeviceLightpack.h

@@ -0,0 +1,131 @@
+#pragma once
+
+// stl includes
+#include <cstdint>
+
+// libusb include
+#include <libusb.h>
+
+// Hyperion includes
+#include <leddevice/LedDevice.h>
+
+///
+/// LedDevice implementation for a lightpack device (http://code.google.com/p/light-pack/)
+///
+class LedDeviceLightpack : public LedDevice
+{
+public:
+	///
+	/// Constructs the LedDeviceLightpack
+	///
+	/// @param serialNumber serial output device
+	///
+	LedDeviceLightpack(const QString & serialNumber = "");
+	///
+	/// Constructs specific LedDevice
+	///
+	/// @param deviceConfig json device config
+	///
+	LedDeviceLightpack(const QJsonObject &deviceConfig);
+
+	///
+	/// Sets configuration
+	///
+	/// @param deviceConfig the json device config
+	/// @return true if success
+	bool init(const QJsonObject &deviceConfig);
+
+	/// constructs leddevice
+	static LedDevice* construct(const QJsonObject &deviceConfig);
+
+	///
+	/// Destructor of the LedDevice; closes the output device if it is open
+	///
+	virtual ~LedDeviceLightpack();
+
+	///
+	/// Opens and configures the output device
+	///
+	/// @return Zero on succes else negative
+	///
+	int open();
+
+	///
+	/// Writes the RGB-Color values to the leds.
+	///
+	/// @param[in] ledValues  Array of RGB values
+	/// @param[in] size       The number of RGB values
+	///
+	/// @return Zero on success else negative
+	///
+	int write(const ColorRgb * ledValues, int size);
+
+	///
+	/// Switch the leds off
+	///
+	/// @return Zero on success else negative
+	///
+	virtual int switchOff();
+
+	/// Get the serial of the Lightpack
+	const QString & getSerialNumber() const;
+
+	/// Get the number of leds
+	int getLedCount() const;
+
+private:
+	///
+	/// 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);
+
+	///
+	/// Test if the device is a (or the) lightpack we are looking for
+	///
+	/// @return Zero on succes else negative
+	///
+	int testAndOpen(libusb_device * device, const QString & requestedSerialNumber);
+
+	/// write bytes to the device
+	int writeBytes(uint8_t *data, int size);
+
+	/// Disable the internal smoothing on the Lightpack device
+	int disableSmoothing();
+
+	struct Version
+	{
+		int majorVersion;
+		int minorVersion;
+	};
+
+	static libusb_device_handle * openDevice(libusb_device * device);
+	static QString getString(libusb_device * device, int stringDescriptorIndex);
+
+	/// libusb context
+	libusb_context * _libusbContext;
+
+	/// libusb device handle
+	libusb_device_handle * _deviceHandle;
+
+	/// harware bus number
+	int _busNumber;
+
+	/// hardware address number
+	int  _addressNumber;
+
+	/// device serial number
+	QString _serialNumber;
+
+	/// firmware version of the device
+	Version _firmwareVersion;
+
+	/// the number of bits per channel
+	int _bitsPerChannel;
+	
+	/// count of real hardware leds
+	int _hwLedCount;
+};