int LedDeviceTinkerforge::write(const std::vector<ColorRgb> &ledValues)
{
unsigned nrLedValues = ledValues.size();
if (nrLedValues > MAX_NUM_LEDS)
{
std::cerr << "Invalid attempt to write led values. Not more than " << MAX_NUM_LEDS << " leds are allowed." << std::endl;
return -1;
}
if (_colorChannelSize < nrLedValues)
{
_redChannel.resize(nrLedValues, uint8_t(0));
_greenChannel.resize(nrLedValues, uint8_t(0));
_blueChannel.resize(nrLedValues, uint8_t(0));
}
_colorChannelSize = nrLedValues;
auto redIt = _redChannel.begin();
auto greenIt = _greenChannel.begin();
auto blueIt = _blueChannel.begin();
for (const ColorRgb &ledValue : ledValues)
{
*redIt = ledValue.red;
++redIt;
*greenIt = ledValue.green;
++greenIt;
*blueIt = ledValue.blue;
++blueIt;
}
return transferLedData(_ledStrip, 0, _colorChannelSize, _redChannel.data(), _greenChannel.data(), _blueChannel.data());
}
int LedDeviceTinkerforge::switchOff()
{
std::fill(_redChannel.begin(), _redChannel.end(), 0);
std::fill(_greenChannel.begin(), _greenChannel.end(), 0);
std::fill(_blueChannel.begin(), _blueChannel.end(), 0);
return transferLedData(_ledStrip, 0, _colorChannelSize, _redChannel.data(), _greenChannel.data(), _blueChannel.data());
}
int LedDeviceTinkerforge::write(const std::vector<ColorRgb> &ledValues)
{
auto redIt = _redChannel.begin();
auto greenIt = _greenChannel.begin();
auto blueIt = _blueChannel.begin();
for (const ColorRgb &ledValue : ledValues)
{
*redIt = ledValue.red;
++redIt;
*greenIt = ledValue.green;
++greenIt;
*blueIt = ledValue.blue;
++blueIt;
}
return transferLedData(_ledStrip, 0, _colorChannelSize, _redChannel.data(), _greenChannel.data(), _blueChannel.data());
}
