From eabcface011478b24192736fa8e2ea7b0861c5db Mon Sep 17 00:00:00 2001
From: Arseniy-Movshev <dodoradio@outlook.com>
Date: Wed, 12 Jul 2023 16:52:40 +0100
Subject: Add a new logger for barometer This just logs the raw sensor values,
 and doesn't do any compensation. The same model as the heartrate sensor,
 where it's started and then we wait for a reasonable reading to come in.

---
 daemon/sensorPlugins/barometerSensor.cpp | 67 ++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 daemon/sensorPlugins/barometerSensor.cpp

(limited to 'daemon/sensorPlugins/barometerSensor.cpp')

diff --git a/daemon/sensorPlugins/barometerSensor.cpp b/daemon/sensorPlugins/barometerSensor.cpp
new file mode 100644
index 0000000..137ccd3
--- /dev/null
+++ b/daemon/sensorPlugins/barometerSensor.cpp
@@ -0,0 +1,67 @@
+/*
+ * 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/QPressureSensor>
+#include <QDebug>
+#include <QString>
+
+#include "../logger.h"
+#include "../../common.h"
+
+#include "barometerSensor.h"
+
+BarometerSensorPlugin::BarometerSensorPlugin(QObject *parent, int initInterval)  :
+    QObject(parent){
+    interval = initInterval;
+
+    barometerSensor = new QPressureSensor(this);
+    connect(barometerSensor,SIGNAL(readingChanged()),this,SLOT(finishRecording()));
+
+    setupFilePath(sensorPathPrefix);
+
+    qDebug() << "barometer 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 BarometerSensorPlugin::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 BarometerSensorPlugin::triggerRecording() {
+    qDebug() << "barometer interval recording";
+    recordIntervalTimer->start(interval);
+    barometerSensor->start();
+}
+
+void BarometerSensorPlugin::finishRecording() {
+    qDebug() << "barometer pressure update received";
+    int pressure = barometerSensor->reading()->pressure();
+    qDebug() << QDateTime::currentDateTime().toString("hh:mm:ss") << " : " << pressure << barometerSensor->isActive();
+    if (pressure == 0) {
+        qDebug() << "barometer sensor accuracy insufficient. waiting.";
+        return;
+    }
+    fileAddRecord(sensorPathPrefix,QString::number(pressure));
+    barometerSensor->stop();
+}
-- 
cgit v1.2.3-54-g00ecf