hyperion.ng/libsrc/leddevice/dev_serial/LedDeviceAtmo.cpp

// hyperion local includes
#include "LedDeviceAtmo.h"

LedDeviceAtmo::LedDeviceAtmo(const QJsonObject &deviceConfig)
	: ProviderRs232()
{
	_devConfig = deviceConfig;
	_isDeviceReady = false;

	_activeDeviceType = deviceConfig["type"].toString("UNSPECIFIED").toLower();
}


LedDevice* LedDeviceAtmo::construct(const QJsonObject &deviceConfig)
{
	return new LedDeviceAtmo(deviceConfig);
}

bool LedDeviceAtmo::init(const QJsonObject &deviceConfig)
{
	bool isInitOK = false;

	// Initialise sub-class
	if ( ProviderRs232::init(deviceConfig) )
	{
		if (_ledCount != 5)
		{
			QString errortext = QString ("%1 channels configured. This should always be 5!").arg(_ledCount);
			this->setInError(errortext);
			isInitOK = false;
		}
		else
		{
			_ledBuffer.resize(4 + 5*3); // 4-byte header, 5 RGB values
			_ledBuffer[0] = 0xFF;       // Startbyte
			_ledBuffer[1] = 0x00;       // StartChannel(Low)
			_ledBuffer[2] = 0x00;       // StartChannel(High)
			_ledBuffer[3] = 0x0F;       // Number of Databytes send (always! 15)

			isInitOK = true;
		}
	}
	return isInitOK;
}

int LedDeviceAtmo::write(const std::vector<ColorRgb> &ledValues)
{
	memcpy(4 + _ledBuffer.data(), ledValues.data(), _ledCount * sizeof(ColorRgb));
	return writeBytes(_ledBuffer.size(), _ledBuffer.data());
}