Added support for AmbiLED-HD device (http://www.ambiledhd.com)

Former-commit-id: 60ec75898a04b5ca993242d0aef6edc01997fe82

libsrc/leddevice/LedDeviceAmbiLed.cpp

@@ -0,0 +1,52 @@
+// STL includes
+#include <cstring>
+#include <cstdio>
+#include <iostream>
+
+// hyperion local includes
+#include "LedDeviceAmbiLed.h"
+
+LedDeviceAmbiLed::LedDeviceAmbiLed(const std::string& outputDevice, const unsigned baudrate, int delayAfterConnect_ms) :
+	LedRs232Device(outputDevice, baudrate, delayAfterConnect_ms),
+	_ledBuffer(0),
+	_timer()
+{
+	// setup the timer
+	_timer.setSingleShot(false);
+	_timer.setInterval(5000);
+	connect(&_timer, SIGNAL(timeout()), this, SLOT(rewriteLeds()));
+
+	// start the timer
+	_timer.start();
+}
+
+int LedDeviceAmbiLed::write(const std::vector<ColorRgb> & ledValues)
+{
+	if (_ledBuffer.size() == 0)
+	{
+		_ledBuffer.resize(1 + 3*ledValues.size());
+		_ledBuffer[3*ledValues.size()] = 255;
+	}
+
+	// restart the timer
+	_timer.start();
+
+	// write data
+	memcpy( _ledBuffer.data(), ledValues.data(), ledValues.size() * 3);
+	return writeBytes(_ledBuffer.size(), _ledBuffer.data());
+}
+
+int LedDeviceAmbiLed::switchOff()
+{
+	// restart the timer
+	_timer.start();
+
+	// write data
+	memset(_ledBuffer.data(), 0, _ledBuffer.size()-6);
+	return writeBytes(_ledBuffer.size(), _ledBuffer.data());
+}
+
+void LedDeviceAmbiLed::rewriteLeds()
+{
+	writeBytes(_ledBuffer.size(), _ledBuffer.data());
+}

libsrc/leddevice/LedDeviceAmbiLed.h

@@ -0,0 +1,51 @@
+#pragma once
+
+// STL includes
+#include <string>
+
+// Qt includes
+#include <QTimer>
+
+// hyperion incluse
+#include "LedRs232Device.h"
+
+///
+/// Implementation of the LedDevice interface for writing to an Adalight led device.
+///
+class LedDeviceAmbiLed : public LedRs232Device
+{
+	Q_OBJECT
+
+public:
+	///
+	/// Constructs the LedDevice for attached Adalight device
+	///
+	/// @param outputDevice The name of the output device (eg '/dev/ttyS0')
+	/// @param baudrate The used baudrate for writing to the output device
+	///
+	LedDeviceAmbiLed(const std::string& outputDevice, const unsigned baudrate, int delayAfterConnect_ms);
+
+	///
+	/// 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 slots:
+	/// Write the last data to the leds again
+	void rewriteLeds();
+
+private:
+	/// The buffer containing the packed RGB values
+	std::vector<uint8_t> _ledBuffer;
+
+	/// Timer object which makes sure that led data is written at a minimum rate
+	/// The Adalight device will switch off when it does not receive data at least
+	/// every 15 seconds
+	QTimer _timer;
+};

libsrc/leddevice/LedDeviceFactory.cpp

@@ -22,6 +22,7 @@
 #endif
 
 #include "LedDeviceAdalight.h"
+#include "LedDeviceAmbiLed.h"
 #include "LedDeviceLightpack.h"
 #include "LedDeviceMultiLightpack.h"
 #include "LedDevicePaintpack.h"
@@ -56,6 +57,17 @@ LedDevice * LedDeviceFactory::construct(const Json::Value & deviceConfig)
 
 		device = deviceAdalight;
 	}
+	else if (type == "ambiled")
+	{
+		const std::string output = deviceConfig["output"].asString();
+		const unsigned rate      = deviceConfig["rate"].asInt();
+		const int delay_ms       = deviceConfig["delayAfterConnect"].asInt();
+
+		LedDeviceAmbiLed* deviceAmbiLed = new LedDeviceAmbiLed(output, rate, delay_ms);
+		deviceAmbiLed->open();
+
+		device = deviceAmbiLed;
+	}
 #ifdef ENABLE_SPIDEV
 	else if (type == "lpd6803" || type == "ldp6803")
 	{