hyperion.ng/libsrc/leddevice/LedDevice.cpp
LordGrey bfb50b8d91
refactor: Address (Windows) compile warnings (#840)
* Windows compile errors and (Qt 5.15 deprecation) warnings

* Usability - Enable/Disable Instance button

Co-authored-by: brindosch <edeltraud70@gmx.de>
2020-06-28 23:05:32 +02:00

274 lines
6.6 KiB
C++

#include <leddevice/LedDevice.h>
#include <sstream>
//QT include
#include <QResource>
#include <QStringList>
#include <QDir>
#include <QDateTime>
#include <QEventLoop>
#include <QTimer>
#include <QDateTime>
#include "hyperion/Hyperion.h"
#include <utils/JsonUtils.h>
LedDevice::LedDevice(const QJsonObject& config, QObject* parent)
: QObject(parent)
, _devConfig(config)
, _log(Logger::getInstance("LEDDEVICE"))
, _ledBuffer(0)
, _deviceReady(false)
, _deviceInError(false)
, _refresh_timer(new QTimer(this))
, _refresh_timer_interval(0)
, _lastWriteTime(QDateTime::currentDateTime())
, _latchTime_ms(0)
, _componentRegistered(false)
, _enabled(false)
, _refresh_enabled(false)
{
// setup refreshTimer
_refresh_timer->setTimerType(Qt::PreciseTimer);
_refresh_timer->setInterval( _refresh_timer_interval );
connect(_refresh_timer, SIGNAL(timeout()), this, SLOT(rewriteLeds()));
}
LedDevice::~LedDevice()
{
_refresh_timer->deleteLater();
}
int LedDevice::open()
{
int retval = -1;
QString errortext;
_deviceReady = false;
// General initialisation and configuration of LedDevice
if ( init(_devConfig) )
{
// Everything is OK -> enable device
_deviceReady = true;
setEnable(true);
retval = 0;
}
return retval;
}
void LedDevice::setInError(const QString& errorMsg)
{
_deviceInError = true;
_deviceReady = false;
_enabled = false;
this->stopRefreshTimer();
Error(_log, "Device disabled, device '%s' signals error: '%s'", QSTRING_CSTR(_activeDeviceType), QSTRING_CSTR(errorMsg));
emit enableStateChanged(_enabled);
}
void LedDevice::close()
{
switchOff();
this->stopRefreshTimer();
}
void LedDevice::setEnable(bool enable)
{
if ( !_deviceReady && enable )
{
Debug(_log, "Device '%s' was not ready! Trying to re-open.", QSTRING_CSTR(_activeDeviceType));
if ( open() < 0 )
{
Error(_log, "Device '%s' cannot be enabled, as it is not ready!", QSTRING_CSTR(_activeDeviceType));
return;
}
else
{
// Open worked
_deviceInError = false;
}
}
// emit signal when state changed
if ( _enabled != enable )
{
emit enableStateChanged(enable);
}
// switch off device when disabled, default: set black to leds when they should go off
if ( _enabled && !enable )
{
switchOff();
}
else
{
// switch on device when enabled
if ( !_enabled && enable )
{
switchOn();
}
}
_enabled = enable;
}
void LedDevice::setActiveDeviceType(const QString& deviceType)
{
_activeDeviceType = deviceType;
}
bool LedDevice::init(const QJsonObject &deviceConfig)
{
//Debug(_log, "deviceConfig: [%s]", QString(QJsonDocument(_devConfig).toJson(QJsonDocument::Compact)).toUtf8().constData() );
_colorOrder = deviceConfig["colorOrder"].toString("RGB");
_activeDeviceType = deviceConfig["type"].toString("file").toLower();
setLedCount(static_cast<unsigned int>( deviceConfig["currentLedCount"].toInt(1) )); // property injected to reflect real led count
_latchTime_ms = deviceConfig["latchTime"].toInt( _latchTime_ms );
_refresh_timer_interval = deviceConfig["rewriteTime"].toInt( _refresh_timer_interval);
if ( _refresh_timer_interval > 0 )
{
_refresh_enabled = true;
if ( _refresh_timer_interval <= _latchTime_ms )
{
int new_refresh_timer_interval = _latchTime_ms + 10;
Warning(_log, "latchTime(%d) is bigger/equal rewriteTime(%d), set rewriteTime to %dms", _latchTime_ms, _refresh_timer_interval, new_refresh_timer_interval);
_refresh_timer_interval = new_refresh_timer_interval;
}
//Debug(_log, "Refresh interval = %dms",_refresh_timer_interval );
_refresh_timer->setInterval( _refresh_timer_interval );
_lastWriteTime = QDateTime::currentDateTime();
this->startRefreshTimer();
}
return true;
}
void LedDevice::startRefreshTimer()
{
if ( _deviceReady )
{
_refresh_timer->start();
}
}
void LedDevice::stopRefreshTimer()
{
_refresh_timer->stop();
}
int LedDevice::updateLeds(const std::vector<ColorRgb>& ledValues)
{
int retval = 0;
if ( !_deviceReady || _deviceInError )
{
//std::cout << "LedDevice::updateLeds(), LedDevice NOT ready!" << std::endl;
return -1;
}
else
{
qint64 elapsedTimeMs = _lastWriteTime.msecsTo(QDateTime::currentDateTime());
if (_latchTime_ms == 0 || elapsedTimeMs >= _latchTime_ms)
{
//std::cout << "LedDevice::updateLeds(), Elapsed time since last write (" << elapsedTimeMs << ") ms > _latchTime_ms (" << _latchTime_ms << ") ms" << std::endl;
retval = write(ledValues);
_lastWriteTime = QDateTime::currentDateTime();
// if device requires refreshing, save Led-Values and restart the timer
if ( _refresh_enabled )
{
this->startRefreshTimer();
_last_ledValues = ledValues;
}
}
else
{
//std::cout << "LedDevice::updateLeds(), Skip write. elapsedTime (" << elapsedTimeMs << ") ms < _latchTime_ms (" << _latchTime_ms << ") ms" << std::endl;
if ( _refresh_enabled )
{
//Stop timer to allow for next non-refresh update
this->stopRefreshTimer();
}
}
}
return retval;
}
int LedDevice::writeBlack()
{
return _deviceReady ? updateLeds(std::vector<ColorRgb>(static_cast<unsigned long>(_ledCount), ColorRgb::BLACK )) : -1;
}
int LedDevice::switchOff()
{
// Stop refresh timer to ensure that "write Black" is executed
this->stopRefreshTimer();
if ( _latchTime_ms > 0 )
{
// Wait latchtime before writing black
QEventLoop loop;
QTimer::singleShot( _latchTime_ms, &loop, SLOT( quit() ) );
loop.exec();
}
int rc = writeBlack();
return rc;
}
int LedDevice::switchOn()
{
return 0;
}
void LedDevice::setLedCount(unsigned int ledCount)
{
_ledCount = ledCount;
_ledRGBCount = _ledCount * sizeof(ColorRgb);
_ledRGBWCount = _ledCount * sizeof(ColorRgbw);
}
void LedDevice::setLatchTime( int latchTime_ms )
{
_latchTime_ms = latchTime_ms;
Debug(_log, "LatchTime updated to %dms", this->getLatchTime());
}
int LedDevice::rewriteLeds()
{
int retval = -1;
if ( _deviceReady )
{
// qint64 elapsedTimeMs = _lastWriteTime.msecsTo(QDateTime::currentDateTime());
// std::cout << "LedDevice::rewriteLEDs(): Rewrite LEDs now, elapsedTime [" << elapsedTimeMs << "] ms" << std::endl;
// //:TESTING: Inject "white" output records to differentiate from normal writes
// _last_ledValues.clear();
// _last_ledValues.resize(static_cast<unsigned long>(_ledCount), ColorRgb::WHITE);
// printLedValues(_last_ledValues);
//:TESTING:
retval = write(_last_ledValues);
_lastWriteTime = QDateTime::currentDateTime();
}
else
{
// If Device is not ready stop timer
this->stopRefreshTimer();
}
return retval;
}
void LedDevice::printLedValues(const std::vector<ColorRgb>& ledValues)
{
std::cout << "LedValues [" << ledValues.size() <<"] [";
for (const ColorRgb& color : ledValues)
{
std::cout << color;
}
std::cout << "]" << std::endl;
}