hyperion.ng/libsrc/leddevice/LedDevicePaintpack.cpp

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// Hyperion includes
#include "LedDevicePaintpack.h"
// Use out report HID device
LedDevicePaintpack::LedDevicePaintpack(const unsigned short VendorId, const unsigned short ProductId, int delayAfterConnect_ms) :
LedHIDDevice(VendorId, ProductId, delayAfterConnect_ms, false),
_ledBuffer(0)
{
// empty
}
int LedDevicePaintpack::write(const std::vector<ColorRgb> & ledValues)
{
if (_ledBuffer.size() < 2 + ledValues.size()*3)
{
_ledBuffer.resize(2 + ledValues.size()*3, uint8_t(0));
_ledBuffer[0] = 3;
_ledBuffer[1] = 0;
}
auto bufIt = _ledBuffer.begin()+2;
for (const ColorRgb & ledValue : ledValues)
{
*bufIt = ledValue.red;
++bufIt;
*bufIt = ledValue.green;
++bufIt;
*bufIt = ledValue.blue;
++bufIt;
}
return writeBytes(_ledBuffer.size(), _ledBuffer.data());
}
int LedDevicePaintpack::switchOff()
{
std::fill(_ledBuffer.begin() + 2, _ledBuffer.end(), uint8_t(0));
return writeBytes(_ledBuffer.size(), _ledBuffer.data());
}