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prevent colorsmoothing from flooding led device with data when no new input data is available (#654)

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resolve compiler warnings

Former-commit-id: c7fbdce5dc7fde8b8e188320408dc547b9ad5e51
This commit is contained in:
redPanther
2016-05-26 07:01:10 +02:00
committed by brindosch
parent 84d9f4ef80
commit a41051cc84
4 changed files with 15 additions and 8 deletions
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11
libsrc/hyperion/LinearColorSmoothing.cpp
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@@ -14,7 +14,8 @@ LinearColorSmoothing::LinearColorSmoothing(
_updateInterval(1000 / ledUpdateFrequency_hz),
_settlingTime(settlingTime_ms),
_timer(),
_outputDelay(updateDelay)
_outputDelay(updateDelay),
_writeToLedsEnable(true)
{
_timer.setSingleShot(false);
_timer.setInterval(_updateInterval);
@@ -82,9 +83,11 @@ void LinearColorSmoothing::updateLeds()
_previousTime = now;
queueColors(_previousValues);
_writeToLedsEnable = false;
}
else
{
_writeToLedsEnable = true;
float k = 1.0f - 1.0f * deltaTime / (_targetTime - _previousTime);
for (size_t i = 0; i < _previousValues.size(); ++i)
@@ -107,7 +110,8 @@ void LinearColorSmoothing::queueColors(const std::vector<ColorRgb> & ledColors)
if (_outputDelay == 0)
{
// No output delay => immediate write
_ledDevice->write(ledColors);
if ( _writeToLedsEnable )
_ledDevice->write(ledColors);
}
else
{
@@ -116,7 +120,8 @@ void LinearColorSmoothing::queueColors(const std::vector<ColorRgb> & ledColors)
// If the delay-buffer is filled pop the front and write to device
if (_outputQueue.size() > _outputDelay)
{
_ledDevice->write(_outputQueue.front());
if ( _writeToLedsEnable )
_ledDevice->write(_outputQueue.front());
_outputQueue.pop_front();
}
}