hyperion.ng/libsrc/leddevice/dev_other/LedDeviceFile.cpp
2021-05-16 18:33:24 +02:00

124 lines
2.3 KiB
C++

#include "LedDeviceFile.h"
// Qt includes
#include <Qt>
#include <QTextStream>
LedDeviceFile::LedDeviceFile(const QJsonObject &deviceConfig)
: LedDevice(deviceConfig)
, _file (nullptr)
{
_printTimeStamp = false;
}
LedDeviceFile::~LedDeviceFile()
{
delete _file;
}
LedDevice* LedDeviceFile::construct(const QJsonObject &deviceConfig)
{
return new LedDeviceFile(deviceConfig);
}
bool LedDeviceFile::init(const QJsonObject &deviceConfig)
{
bool initOK = LedDevice::init(deviceConfig);
_fileName = deviceConfig["output"].toString("/dev/null");
#if _WIN32
if (_fileName == "/dev/null" )
{
_fileName = "NULL";
}
#endif
_printTimeStamp = deviceConfig["printTimeStamp"].toBool(false);
initFile(_fileName);
return initOK;
}
void LedDeviceFile::initFile(const QString &fileName)
{
if ( _file == nullptr )
{
_file = new QFile(fileName, this);
}
}
int LedDeviceFile::open()
{
int retval = -1;
_isDeviceReady = false;
if ( ! _file->isOpen() )
{
Debug(_log, "QIODevice::WriteOnly, %s", QSTRING_CSTR(_fileName));
if ( !_file->open(QIODevice::WriteOnly | QIODevice::Text) )
{
QString errortext = QString ("(%1) %2, file: (%3)").arg(_file->error()).arg(_file->errorString(),_fileName);
this->setInError( errortext );
}
else
{
_isDeviceReady = true;
retval = 0;
}
}
return retval;
}
int LedDeviceFile::close()
{
int retval = 0;
_isDeviceReady = false;
if ( _file != nullptr)
{
// Test, if device requires closing
if ( _file->isOpen() )
{
// close device physically
Debug(_log,"File: %s", QSTRING_CSTR(_fileName) );
_file->close();
}
}
return retval;
}
int LedDeviceFile::write(const std::vector<ColorRgb> & ledValues)
{
QTextStream out(_file);
//printLedValues (ledValues);
if ( _printTimeStamp )
{
QDateTime now = QDateTime::currentDateTime();
qint64 elapsedTimeMs = _lastWriteTime.msecsTo(now);
#if (QT_VERSION >= QT_VERSION_CHECK(5, 8, 0))
out << now.toString(Qt::ISODateWithMs) << " | +" << QString("%1").arg( elapsedTimeMs,4);
#else
out << now.toString(Qt::ISODate) << now.toString(".zzz") << " | +" << QString("%1").arg( elapsedTimeMs,4);
#endif
}
out << " [";
for (const ColorRgb& color : ledValues)
{
out << color;
}
#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
out << QString("]") << Qt::endl;
#else
out << "]" << endl;
#endif
return 0;
}