52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
#include <QFileSystemWatcher>
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#include <QFile>
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#include <QDebug>
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#include "CCWakelineAbstraction.h"
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#include "plugin.h"
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/**
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* this is based on a solution from:
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* https://embeddeduse.com/2018/09/18/monitoring-sys-files-qfilesystemwatcher/
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*
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*/
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CCWakelineAbstraction::CCWakelineAbstraction(hwinf *dc, QObject *parent)
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: QObject(parent)
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, dc(dc)
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{
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auto ccWakeMonitor = new QFileSystemWatcher(this);
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ccWakeMonitor->addPath("/sys/class/leds/wakeupctrl_cc/brightness");
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connect(ccWakeMonitor, &QFileSystemWatcher::fileChanged,
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this, &CCWakelineAbstraction::ccWakeChanged);
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qCritical() << "... init CCWakelineAbstraction";
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}
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void CCWakelineAbstraction::ccWakeChanged(const QString &path)
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{
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QFile ccWakeFile(path);
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if (!ccWakeFile.open(QIODevice::ReadOnly)) {
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qWarning() << "ERROR: Could not open ccWakeFile file.";
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return;
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}
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auto ccWake = ccWakeFile.readAll();
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if (!ccWake.isEmpty()) {
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int state = ccWake.at(0);
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//qCritical() << "INFO: ccWake = " << state;
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switch (state) {
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case 0x30: // '1'
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qCritical() << "INFO: ccWake -> sleep";
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this->dc->credit_switchWake(true); // switch 'sleep'
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break;
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case 0x31: // '0'
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qCritical() << "INFO: ccWake -> wake";
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this->dc->credit_switchWake(false); // switch 'wake'
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break;
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}
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}
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}
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