Restructure to split to daemon and qml accessor

- add separate subdirs for daemon and qml
- add some generic qml boilerplate
- add a really lazy 'last value' loader implementation
- license the project as gplv3 (add copyright notices and license text)

4 files changed, 223 insertions, 0 deletions

diff --git a/daemon/sensorPlugins/heartrateSensor.cpp b/daemon/sensorPlugins/heartrateSensor.cpp
new file mode 100644
index 0000000..cf3bfb4
--- /dev/null
+++ b/daemon/sensorPlugins/heartrateSensor.cpp
@@ -0,0 +1,64 @@
+/*
+ * 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();
+}
diff --git a/daemon/sensorPlugins/heartrateSensor.h b/daemon/sensorPlugins/heartrateSensor.h
new file mode 100644
index 0000000..7788d7e
--- /dev/null
+++ b/daemon/sensorPlugins/heartrateSensor.h
@@ -0,0 +1,45 @@
+/*
+ * 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/>.
+ */
+
+#ifndef HEARTRATESENSOR_H
+#define HEARTRATESENSOR_H
+
+#include <QObject>
+#include <QDateTime>
+#include <QDBusInterface>
+#include <QTimer>
+
+#include <QtSensors/QHrmSensor>
+
+class HeartrateSensorPlugin : public QObject
+{
+    Q_OBJECT
+public:
+    explicit HeartrateSensorPlugin(QObject *parent = 0, int initInterval = 600000);
+    virtual ~HeartrateSensorPlugin() {};
+
+    void timeUpdate();
+
+public slots:
+    void triggerRecording();
+
+private slots:
+    void finishRecording();
+
+private:
+    QDateTime lastRecordTime;
+    int interval;
+    QTimer *recordIntervalTimer;
+    QHrmSensor *hrmSensor;
+
+    const QString sensorPathPrefix = "heartrateMonitor";
+};
+
+#endif // HEARTRATESENSOR_H
diff --git a/daemon/sensorPlugins/stepCounter.cpp b/daemon/sensorPlugins/stepCounter.cpp
new file mode 100644
index 0000000..8bfed03
--- /dev/null
+++ b/daemon/sensorPlugins/stepCounter.cpp
@@ -0,0 +1,71 @@
+/*
+ * 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/QStepCounterSensor>
+#include <QDebug>
+#include <QString>
+
+#include "../logger.h"
+
+#include "stepCounter.h"
+
+StepCounterPlugin::StepCounterPlugin(QObject *parent, int initInterval)  :
+    QObject(parent){
+    interval = initInterval;
+
+    stepcounterSensor = new QStepCounterSensor(this);
+    stepcounterSensor->start();
+
+    qDebug() << "step counter sensor is enabled. interval is (ms) " << interval;
+    recordIntervalTimer = new QTimer(this);
+    connect(recordIntervalTimer,SIGNAL(timeout()),this,SLOT(triggerRecording()));
+    recordIntervalTimer->setSingleShot(true);
+    recordIntervalTimer->start(interval);
+
+    QDateTime currDateTime = QDateTime::currentDateTime();
+
+    if (dayFileExists(sensorPathPrefix)) {
+        QStringList lastLineData = fileGetPrevRecord(sensorPathPrefix);
+        lastRecordTime = QDateTime::fromSecsSinceEpoch(lastLineData[0].toInt());
+        if (stepcounterSensor->reading()->steps() == 0) {
+            stepsOffset = -(lastLineData[1].toInt());
+        } else {
+
+        }
+    } else {
+        //if it's a new day, we 'reset' the counter. this is crude - we should really check for a boot here, since certain machines have capability of counting steps when powered down.
+        stepsOffset = stepcounterSensor->reading()->steps();
+    }
+}
+
+void StepCounterPlugin::timeUpdate() {
+    QDateTime currDateTime = QDateTime::currentDateTime();
+    if (lastRecordTime.date() < currDateTime.date()) {
+        stepsOffset = stepcounterSensor->reading()->steps(); //this 'resets' the reading whenever the screen is first turned on after midnight. this means that, in the morning, the step count will always be zero, but steps taken just before midnight are still counted and not discarded.
+    }
+    uint elapsed = currDateTime.toMSecsSinceEpoch() - 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 StepCounterPlugin::triggerRecording() {
+    qDebug() << "stepcounter interval recording";
+    int steps = stepcounterSensor->reading()->steps();
+    qDebug() << QDateTime::currentDateTime().toString("hh:mm:ss") << " : " << steps << stepcounterSensor->isActive();
+    //we probably ought to do some error checking here
+    fileAddRecord(sensorPathPrefix,QString::number(steps - stepsOffset));
+}
diff --git a/daemon/sensorPlugins/stepCounter.h b/daemon/sensorPlugins/stepCounter.h
new file mode 100644
index 0000000..a221561
--- /dev/null
+++ b/daemon/sensorPlugins/stepCounter.h
@@ -0,0 +1,43 @@
+/*
+ * 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/>.
+ */
+
+#ifndef STEPCOUNTER_H
+#define STEPCOUNTER_H
+
+#include <QObject>
+#include <QDateTime>
+#include <QDBusInterface>
+#include <QTimer>
+
+#include <QtSensors/QStepCounterSensor>
+
+class StepCounterPlugin : public QObject
+{
+    Q_OBJECT
+public:
+    explicit StepCounterPlugin(QObject *parent = 0, int initInterval = 600000);
+    virtual ~StepCounterPlugin() {};
+
+    void timeUpdate();
+
+public slots:
+    void triggerRecording();
+
+private:
+    QDateTime lastRecordTime;
+    int interval;
+    QTimer *recordIntervalTimer;
+    QStepCounterSensor *stepcounterSensor;
+    int stepsOffset; //this is subtracted from the raw sensor value to compensate for daily step resets and boot offsets.
+
+    const QString sensorPathPrefix = "stepCounter";
+};
+
+#endif // STEPCOUNTER_H