Added 'rainbow' boot sequence

Moved color transform to utils lib

libsrc/bootsequence/CMakeLists.txt

@@ -0,0 +1,29 @@
+
+# Define the current source locations
+SET(CURRENT_HEADER_DIR ${CMAKE_SOURCE_DIR}/include/bootsequence)
+SET(CURRENT_SOURCE_DIR ${CMAKE_SOURCE_DIR}/libsrc/bootsequence)
+
+# Group the headers that go through the MOC compiler
+SET(BootsequenceQT_HEADERS
+		${CURRENT_HEADER_DIR}/RainbowBootSequence.h
+)
+
+SET(BootsequenceHEADERS
+)
+
+SET(BootsequenceSOURCES
+		${CURRENT_SOURCE_DIR}/RainbowBootSequence.cpp
+)
+
+QT4_WRAP_CPP(BootsequenceHEADERS_MOC ${BootsequenceQT_HEADERS})
+
+add_library(bootsequence
+		${BootsequenceHEADERS}
+		${BootsequenceQT_HEADERS}
+		${BootsequenceHEADERS_MOC}
+		${BootsequenceSOURCES}
+)
+
+target_link_libraries(bootsequence
+		hyperion
+		${QT_LIBRARIES})

libsrc/bootsequence/RainbowBootSequence.cpp

@@ -0,0 +1,54 @@
+
+#include <utils/HsvTransform.h>
+
+#include <bootsequence/RainbowBootSequence.h>
+
+RainbowBootSequence::RainbowBootSequence(Hyperion * hyperion) :
+	_timer(),
+	_hyperion(hyperion),
+	_priority(0),
+	_ledColors(hyperion->getLedCount()),
+	_iterationCounter(hyperion->getLedCount())
+{
+	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);
+	}
+
+	unsigned sequenceLength_ms = 3000;
+
+	_timer.setInterval(sequenceLength_ms/_hyperion->getLedCount());
+	_timer.setSingleShot(false);
+	QObject::connect(&_timer, SIGNAL(timeout()), this, SLOT(update()));
+}
+
+void RainbowBootSequence::start()
+{
+	_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)
+		{
+			_ledColors[i-1] = _ledColors[i];
+		}
+		_ledColors.back() = headColor;
+
+		// Write the colors to hyperion
+		_hyperion->setColors(_priority, _ledColors, -1);
+
+		// Decrease the loop count
+		--_iterationCounter;
+	}
+}