hyperion.ng/libsrc/leddevice/LedDevice.cpp

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#include <leddevice/LedDevice.h>
#include <sstream>
//QT include
#include <QResource>
#include <QStringList>
#include <QDir>
#include <QJsonObject>
#include <QJsonDocument>
LedDeviceRegistry LedDevice::_ledDeviceMap = LedDeviceRegistry();
std::string LedDevice::_activeDevice = "";
int LedDevice::_ledCount = 0;
int LedDevice::_ledRGBCount = 0;
int LedDevice::_ledRGBWCount= 0;
LedDevice::LedDevice()
: QObject()
, _log(Logger::getInstance("LedDevice"))
, _ledBuffer(0)
, _deviceReady(true)
{
LedDevice::getLedDeviceSchemas();
}
// dummy implemention
int LedDevice::open()
{
return 0;
}
int LedDevice::addToDeviceMap(std::string name, LedDeviceCreateFuncType funcPtr)
{
_ledDeviceMap.emplace(name,funcPtr);
return 0;
}
const LedDeviceRegistry& LedDevice::getDeviceMap()
{
return _ledDeviceMap;
}
void LedDevice::setActiveDevice(std::string dev)
{
_activeDevice = dev;
}
QJsonObject LedDevice::getLedDeviceSchemas()
{
// make sure the resources are loaded (they may be left out after static linking)
Q_INIT_RESOURCE(LedDeviceSchemas);
QJsonParseError error;
// read the json schema from the resource
QDir d(":/leddevices/");
QStringList l = d.entryList();
QJsonObject result, schemaJson;
for(QString &item : l)
{
QFile schemaData(QString(":/leddevices/")+item);
QString devName = item.remove("schema-");
if (!schemaData.open(QIODevice::ReadOnly))
{
Error(Logger::getInstance("LedDevice"), "Schema not found: %s", item.toUtf8().constData());
throw std::runtime_error("ERROR: Schema not found: " + item.toStdString());
}
QByteArray schema = schemaData.readAll();
QJsonDocument doc = QJsonDocument::fromJson(schema, &error);
schemaData.close();
if (error.error != QJsonParseError::NoError)
{
// report to the user the failure and their locations in the document.
int errorLine(0), errorColumn(0);
for( int i=0, count=qMin( error.offset,schema.size()); i<count; ++i )
{
++errorColumn;
if(schema.at(i) == '\n' )
{
errorColumn = 0;
++errorLine;
}
}
std::stringstream sstream;
sstream << error.errorString().toStdString() << " at Line: " << errorLine << ", Column: " << errorColumn;
Error(Logger::getInstance("LedDevice"), "LedDevice JSON schema error in %s (%s)", item.toUtf8().constData(), sstream.str().c_str());
throw std::runtime_error("ERROR: Json schema wrong: " + sstream.str());
}
schemaJson = doc.object();
schemaJson["title"] = QString("LED Device Specific");
result[devName] = schemaJson;
}
return result;
}
int LedDevice::setLedValues(const std::vector<ColorRgb>& ledValues)
{
return _deviceReady ? write(ledValues) : -1;
}
int LedDevice::switchOff()
{
return _deviceReady ? write(std::vector<ColorRgb>(_ledCount, ColorRgb::BLACK )) : -1;
}
void LedDevice::setLedCount(int ledCount)
{
_ledCount = ledCount;
_ledRGBCount = _ledCount * sizeof(ColorRgb);
_ledRGBWCount = _ledCount * sizeof(ColorRgbw);
}