hyperion.ng/libsrc/leddevice/LedDeviceAmbiLed.cpp

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// 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());
}