added timer to LedDeviceAdalight to send color data at least every 5 seconds

Former-commit-id: 6b77588d3ce83ab32ab3c62e7345c7aa11f9c344

deploy/hyperiond.REMOVED.git-id

@@ -1 +1 @@
-391a5783725844074e6c221406f39e24d66f0bf3
+19c49770372d19eddcd87f647455964ca57d4f57

libsrc/hyperion/CMakeLists.txt

@@ -10,6 +10,7 @@ SET(Hyperion_QT_HEADERS
 		${CURRENT_HEADER_DIR}/Hyperion.h
 
 		${CURRENT_SOURCE_DIR}/LinearColorSmoothing.h
+		${CURRENT_SOURCE_DIR}/device/LedDeviceAdalight.h
 )
 
 SET(Hyperion_HEADERS
@@ -30,7 +31,6 @@ SET(Hyperion_HEADERS
 		${CURRENT_SOURCE_DIR}/device/LedDeviceWs2801.h
 		${CURRENT_SOURCE_DIR}/device/LedDeviceLpd6803.h
 		${CURRENT_SOURCE_DIR}/device/LedDeviceLpd8806.h
-		${CURRENT_SOURCE_DIR}/device/LedDeviceAdalight.h
 		${CURRENT_SOURCE_DIR}/device/LedDeviceLightpack.h
 )
 

libsrc/hyperion/device/LedDeviceAdalight.cpp

@@ -13,9 +13,16 @@
 
 LedDeviceAdalight::LedDeviceAdalight(const std::string& outputDevice, const unsigned baudrate) :
 	LedRs232Device(outputDevice, baudrate),
-	_ledBuffer(0)
+	_ledBuffer(0),
+	_timer()
 {
-	// empty
+	// setup the timer
+	_timer.setSingleShot(false);
+	_timer.setInterval(5000);
+	connect(&_timer, SIGNAL(timeout()), this, SLOT(rewriteLeds()));
+
+	// start the timer
+	_timer.start();
 }
 
 int LedDeviceAdalight::write(const std::vector<ColorRgb> & ledValues)
@@ -31,12 +38,25 @@ int LedDeviceAdalight::write(const std::vector<ColorRgb> & ledValues)
 		_ledBuffer[5] = _ledBuffer[3] ^ _ledBuffer[4] ^ 0x55; // Checksum
 	}
 
+	// restart the timer
+	_timer.start();
+
+	// write data
 	memcpy(6 + _ledBuffer.data(), ledValues.data(), ledValues.size() * 3);
 	return writeBytes(_ledBuffer.size(), _ledBuffer.data());
 }
 
 int LedDeviceAdalight::switchOff()
 {
+	// restart the timer
+	_timer.start();
+
+	// write data
 	memset(6 + _ledBuffer.data(), 0, _ledBuffer.size()-6);
 	return writeBytes(_ledBuffer.size(), _ledBuffer.data());
 }
+
+void LedDeviceAdalight::rewriteLeds()
+{
+	writeBytes(_ledBuffer.size(), _ledBuffer.data());
+}

libsrc/hyperion/device/LedDeviceAdalight.h

@@ -3,14 +3,19 @@
 // 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 LedDeviceAdalight : public LedRs232Device
+class LedDeviceAdalight : public QObject, public LedRs232Device
 {
+	Q_OBJECT
+
 public:
 	///
 	/// Constructs the LedDevice for attached Adalight device
@@ -31,7 +36,16 @@ public:
 	/// 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;
 };