Added abstract boot sequence to handle events and iteration count.

Implemented KnightRider bootsequence (KittBootSequence).

libsrc/bootsequence/AbstractBootSequence.cpp

@@ -0,0 +1,35 @@
+#include "AbstractBootSequence.h"
+
+AbstractBootSequence::AbstractBootSequence(Hyperion * hyperion, const int64_t interval, const unsigned iterationCnt) :
+	_timer(),
+	_hyperion(hyperion),
+	_priority(0),
+	_iterationCounter(iterationCnt)
+{
+	_timer.setInterval(interval);
+	_timer.setSingleShot(false);
+	QObject::connect(&_timer, SIGNAL(timeout()), this, SLOT(update()));
+}
+
+void AbstractBootSequence::start()
+{
+	_timer.start();
+}
+
+void AbstractBootSequence::update()
+{
+	if (_iterationCounter == 0)
+	{
+		_timer.stop();
+		_hyperion->clear(_priority);
+		return;
+	}
+
+	// Obtain the next led-colors from the child-class
+	const std::vector<RgbColor>& colors = nextColors();
+	// Write the colors to hyperion
+	_hyperion->setColors(_priority, colors, -1);
+
+	// Decrease the loop count
+	--_iterationCounter;
+}

libsrc/bootsequence/AbstractBootSequence.h

@@ -0,0 +1,40 @@
+#pragma once
+
+// QT includes
+#include <QTimer>
+
+// Bootsequence includes
+#include <bootsequence/BootSequence.h>
+
+// Hyperion includes
+#include <hyperion/Hyperion.h>
+
+class AbstractBootSequence : public QObject, public BootSequence
+{
+Q_OBJECT
+
+public:
+	AbstractBootSequence(Hyperion * hyperion, const int64_t interval, const unsigned iterationCnt);
+
+	virtual void start();
+
+protected slots:
+	void update();
+
+
+protected:
+	virtual const std::vector<RgbColor>& nextColors() = 0;
+
+private:
+	/// The timer used to generate an 'update' signal every interval
+	QTimer _timer;
+
+	/// The Hyperion instance
+	Hyperion * _hyperion;
+	/// The priority of the boot sequence
+	int _priority;
+
+	/// The counter of the number of iterations left
+	int _iterationCounter;
+};
+

libsrc/bootsequence/CMakeLists.txt

@@ -5,17 +5,21 @@ SET(CURRENT_SOURCE_DIR ${CMAKE_SOURCE_DIR}/libsrc/bootsequence)
 
 # Group the headers that go through the MOC compiler
 SET(BootsequenceQT_HEADERS
-		${CURRENT_SOURCE_DIR}/RainbowBootSequence.h
+		${CURRENT_SOURCE_DIR}/AbstractBootSequence.h
 )
 
 SET(BootsequenceHEADERS
 		${CURRENT_HEADER_DIR}/BootSequence.h
 		${CURRENT_HEADER_DIR}/BootSequenceFactory.h
+		${CURRENT_SOURCE_DIR}/RainbowBootSequence.h
+		${CURRENT_SOURCE_DIR}/KittBootSequence.h
 )
 
 SET(BootsequenceSOURCES
+		${CURRENT_SOURCE_DIR}/AbstractBootSequence.cpp
 		${CURRENT_SOURCE_DIR}/BootSequenceFactory.cpp
 		${CURRENT_SOURCE_DIR}/RainbowBootSequence.cpp
+		${CURRENT_SOURCE_DIR}/KittBootSequence.cpp
 )
 
 QT4_WRAP_CPP(BootsequenceHEADERS_MOC ${BootsequenceQT_HEADERS})

libsrc/bootsequence/KittBootSequence.cpp

@@ -0,0 +1,67 @@
+
+// Hyperion includes
+#include <hyperion/ImageProcessorFactory.h>
+
+// Local-Bootsequence includes
+#include "KittBootSequence.h"
+
+KittBootSequence::KittBootSequence(Hyperion * hyperion, const unsigned duration_ms) :
+	AbstractBootSequence(hyperion, 100, duration_ms/100),
+	_processor(ImageProcessorFactory::getInstance().newImageProcessor()),
+	_image(9, 1),
+	_ledColors(hyperion->getLedCount(), RgbColor::BLACK),
+	_forwardMove(false),
+	_currentLight(0)
+{
+	// empty
+}
+
+KittBootSequence::~KittBootSequence()
+{
+	delete _processor;
+}
+
+const std::vector<RgbColor>& KittBootSequence::nextColors()
+{
+
+	// Switch the previous light 'off'
+	_image(_currentLight, 0) = RgbColor::BLACK;
+
+	// Move the current to the next light
+	moveNextLight();
+
+	// Switch the current light 'on'
+	_image(_currentLight, 0) = RgbColor::RED;
+
+
+	// Translate the 'image' to led colors
+	_processor->process(_image, _ledColors);
+
+	// Return the colors
+	return _ledColors;
+}
+
+void KittBootSequence::moveNextLight()
+{
+	// Increase/Decrease the current light
+	if (_forwardMove)
+	{
+		++_currentLight;
+		if (_currentLight == _image.width())
+		{
+			_forwardMove = false;
+			--_currentLight;
+		}
+	}
+	else
+	{
+		if (_currentLight == 0)
+		{
+			_forwardMove = true;
+		}
+		else
+		{
+			--_currentLight;
+		}
+	}
+}

libsrc/bootsequence/KittBootSequence.h

@@ -0,0 +1,36 @@
+
+#pragma once
+
+// Bootsequence includes
+#include "AbstractBootSequence.h"
+
+// Hyperion includes
+#include <hyperion/Hyperion.h>
+#include <hyperion/ImageProcessor.h>
+
+
+class KittBootSequence : public AbstractBootSequence
+{
+public:
+	KittBootSequence(Hyperion * hyperion, const unsigned duration_ms);
+
+	virtual ~KittBootSequence();
+
+	virtual const std::vector<RgbColor>& nextColors();
+
+private:
+	/// Image processor to compute led-colors from the image
+	ImageProcessor * _processor;
+
+	/// 1D-Image of the KITT-grill contains a single red pixel and the rest black
+	RgbImage _image;
+
+	/// The vector with led-colors
+	std::vector<RgbColor> _ledColors;
+
+	bool _forwardMove = true;
+	unsigned _currentLight = 0;
+
+	void moveNextLight();
+};
+

libsrc/bootsequence/RainbowBootSequence.cpp

@@ -6,37 +6,18 @@
 #include "RainbowBootSequence.h"
 
 RainbowBootSequence::RainbowBootSequence(Hyperion * hyperion, const unsigned duration_ms) :
-	_timer(),
-	_hyperion(hyperion),
-	_priority(0),
-	_ledColors(hyperion->getLedCount()),
-	_iterationCounter(hyperion->getLedCount())
+	AbstractBootSequence(hyperion, duration_ms/hyperion->getLedCount(), hyperion->getLedCount()),
+	_ledColors(hyperion->getLedCount())
 {
-	for (unsigned iLed=0; iLed<_hyperion->getLedCount(); ++iLed)
+	for (unsigned iLed=0; iLed<hyperion->getLedCount(); ++iLed)
 	{
 		RgbColor& color = _ledColors[iLed];
-		HsvTransform::hsv2rgb(iLed*360/_hyperion->getLedCount(), 255, 255, color.red, color.green, color.blue);
+		HsvTransform::hsv2rgb(iLed*360/hyperion->getLedCount(), 255, 255, color.red, color.green, color.blue);
 	}
-
-	_timer.setInterval(duration_ms/_hyperion->getLedCount());
-	_timer.setSingleShot(false);
-	QObject::connect(&_timer, SIGNAL(timeout()), this, SLOT(update()));
 }
 
-void RainbowBootSequence::start()
+const std::vector<RgbColor>& RainbowBootSequence::nextColors()
 {
-	_timer.start();
-}
-
-void RainbowBootSequence::update()
-{
-	if (_iterationCounter == 0)
-	{
-		_timer.stop();
-		_hyperion->clear(_priority);
-	}
-	else
-	{
 	// Rotate the colors left
 	const RgbColor headColor = _ledColors.front();
 	for (unsigned i=1; i<_ledColors.size(); ++i)
@@ -45,10 +26,5 @@ void RainbowBootSequence::update()
 	}
 	_ledColors.back() = headColor;
 
-		// Write the colors to hyperion
-		_hyperion->setColors(_priority, _ledColors, -1);
-
-		// Decrease the loop count
-		--_iterationCounter;
-	}
+	return _ledColors;
 }

libsrc/bootsequence/RainbowBootSequence.h

@@ -5,19 +5,14 @@
 #include <QTimer>
 
 // Bootsequence include
-#include <bootsequence/BootSequence.h>
-
-// Hyperion includes
-#include <hyperion/Hyperion.h>
+#include "AbstractBootSequence.h"
 
 ///
 /// The RainborBootSequence shows a 'rainbow' (all lights have a different color). The rainbow is
 /// rotated over each led during the length of the sequence.
 ///
-class RainbowBootSequence : public QObject, public BootSequence
+class RainbowBootSequence : public AbstractBootSequence
 {
-Q_OBJECT
-
 public:
 	///
 	/// Constructs the rainbow boot-sequence. Hyperion is used for writing the led colors. The given
@@ -28,27 +23,13 @@ public:
 	///
 	RainbowBootSequence(Hyperion * hyperion, const unsigned duration_ms);
 
-	///
-	/// Starts the boot-sequence
-	///
-	virtual void start();
-
-private slots:
+protected:
 	///
 	/// Moves the rainbow one led further
 	///
-	void update();
+	const std::vector<RgbColor>& nextColors();
 
 private:
-	/// The timer used to generate an 'update' signal every interval
-	QTimer _timer;
-
-	/// The Hyperion instance
-	Hyperion * _hyperion;
-
-	/// The priority of the boot sequence
-	int _priority;
-
 	/// The current color of the boot sequence (the rainbow)
 	std::vector<RgbColor> _ledColors;
 	/// The counter of the number of iterations left