From 203c9707194f167a70cb27ea47dbb6d7bb3e7d09 Mon Sep 17 00:00:00 2001
From: Lorn Potter <lorn.potter@gmail.com>
Date: Mon, 31 Jul 2017 17:04:49 +1000
Subject: add sensor plugin for TI sensortag

[ChangeLog][QSensorBackend] Support for TI Sensortag sensor board.

Introduce env var QT_SENSORTAG_ID for specifying a specific
sensor tag. On mac, this is the sensortag uuid, on linux
it is the sensor tag's bluetooth address.

Change-Id: I7c5db8dac15ddbfdb0709bd6462759b4a70d32b7
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
---
 .../sensors/sensortag/sensortagmagnetometer.cpp    | 80 ++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 src/plugins/sensors/sensortag/sensortagmagnetometer.cpp

(limited to 'src/plugins/sensors/sensortag/sensortagmagnetometer.cpp')

diff --git a/src/plugins/sensors/sensortag/sensortagmagnetometer.cpp b/src/plugins/sensors/sensortag/sensortagmagnetometer.cpp
new file mode 100644
index 00000000..d5d46221
--- /dev/null
+++ b/src/plugins/sensors/sensortag/sensortagmagnetometer.cpp
@@ -0,0 +1,80 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 Lorn Potter
+** Copyright (C) 2017 The Qt Company Ltd.
+** Copyright (C) 2016 Canonical, Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtSensors module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "sensortagmagnetometer.h"
+
+char const * const SensorTagMagnetometer::id("sensortag.magnetometer");
+const float SensorTagMagnetometer::NANO = 0.000000001;
+
+SensorTagMagnetometer::SensorTagMagnetometer(QSensor *sensor)
+    : SensorTagBase(sensor)
+{
+    init();
+    setDescription(QLatin1String("magnetic flux density in teslas (T)"));
+    setReading<QMagnetometerReading>(&m_reading);
+}
+
+void SensorTagMagnetometer::start()
+{
+    QObject::connect(this, &SensorTagBase::magDataAvailable,
+                     this, &SensorTagMagnetometer::slotDataAvailable);
+    d_ptr->enableService(TI_SENSORTAG_MAGNETOMETER_SERVICE);
+}
+
+void SensorTagMagnetometer::stop()
+{
+    QObject::disconnect(this, &SensorTagBase::magDataAvailable,
+                        this, &SensorTagMagnetometer::slotDataAvailable);
+    d_ptr->disableService(TI_SENSORTAG_MAGNETOMETER_SERVICE);
+}
+
+void SensorTagMagnetometer::slotDataAvailable(const QMagnetometerReading &data)
+{
+    m_reading.setX(data.x());
+    m_reading.setY(data.y());
+    m_reading.setZ(data.z());
+    m_reading.setTimestamp(produceTimestamp());
+    newReadingAvailable();
+}
+
+void SensorTagMagnetometer::init()
+{
+    m_initDone = false;
+}
-- 
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