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/*
* Copyright (C) 2023 Arseniy Movshev <dodoradio@outlook.com>
* This file is part of sensorlogd, a sensor logger for the AsteroidOS smartwatch OS.
*
* sensorlogd is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
* sensorlogd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <QDateTime>
#include <QTimer>
#include <QtSensors/QHrmSensor>
#include <QDebug>
#include <QString>
#include "../logger.h"
#include "heartrateSensor.h"
HeartrateSensorPlugin::HeartrateSensorPlugin(QObject *parent, int initInterval) :
QObject(parent){
interval = initInterval;
hrmSensor = new QHrmSensor(this);
connect(hrmSensor,SIGNAL(readingChanged()),this,SLOT(finishRecording()));
qDebug() << "heartrate sensor is enabled. interval is (ms) " << interval;
recordIntervalTimer = new QTimer(this);
connect(recordIntervalTimer,SIGNAL(timeout()),this,SLOT(triggerRecording()));
recordIntervalTimer->setSingleShot(true);
recordIntervalTimer->start(interval);
lastRecordTime = QDateTime::currentDateTime();
}
void HeartrateSensorPlugin::timeUpdate() {
uint elapsed = QDateTime::currentMSecsSinceEpoch() - lastRecordTime.toMSecsSinceEpoch();
qDebug() << "time until next steps recording" << recordIntervalTimer->remainingTime() << " elapsed = " << elapsed << " lastRecordTime " << lastRecordTime.toMSecsSinceEpoch();
if (elapsed > interval) { //if too much time has passed, reset the timer and record
triggerRecording();
lastRecordTime = QDateTime::currentDateTime();
} else { //otherwise, restart the timer and compensate for time spent in suspend
recordIntervalTimer->start(interval - elapsed);
}
}
void HeartrateSensorPlugin::triggerRecording() {
qDebug() << "heartrate interval recording";
recordIntervalTimer->start(interval);
hrmSensor->start();
}
void HeartrateSensorPlugin::finishRecording() {
qDebug() << "bpm update received";
int bpm = hrmSensor->reading()->bpm();
qDebug() << QDateTime::currentDateTime().toString("hh:mm:ss") << " : " << bpm << hrmSensor->status() << hrmSensor->isActive();
if ((bpm == 0) || (hrmSensor->status() < 3)) {
qDebug() << "hrm sensor accuracy insufficient. waiting.";
return;
}
fileAddRecord(sensorPathPrefix,QString::number(bpm));
hrmSensor->stop();
}
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