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-rw-r--r--daemon/sensorPlugins/heartrateSensor.cpp64
1 files changed, 64 insertions, 0 deletions
diff --git a/daemon/sensorPlugins/heartrateSensor.cpp b/daemon/sensorPlugins/heartrateSensor.cpp
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+++ b/daemon/sensorPlugins/heartrateSensor.cpp
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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();
+}