1 files changed, 86 insertions, 0 deletions
diff --git a/nmeasource.h b/nmeasource.h
new file mode 100644
index 0000000..b874b7b
--- /dev/null
+++ b/nmeasource.h
@@ -0,0 +1,86 @@
+#ifndef NMEASOURCE_H
+#define NMEASOURCE_H
+
+#include <QtCore/QObject>
+#include <QtCore/QString>
+
+#include <QtPositioning/QGeoPositionInfo>
+#include <QtPositioning/QGeoPositionInfoSource>
+#include <QtPositioning/QGeoSatelliteInfoSource>
+
+class NmeaSource : public QObject
+{
+	Q_OBJECT
+public:
+	explicit NmeaSource(QObject *parent = 0);
+	~NmeaSource();
+
+signals:
+	void dataReady(const QString& data);
+
+public slots:
+	void start();
+	void stop();
+
+protected:
+	static const double H_UERE = 15.0;
+	static const double V_UERE = 23.0;
+	static const double P_UERE = 19.0;
+
+	enum PositionAccuracyDirection {
+		Spherical,
+		Horizontal,
+		Vertical
+	};
+
+	static QString formatFixMode(const QGeoCoordinate& coord);
+	static QString formatTimestamp(const QTime& time);
+	static QString formatDatestamp(const QDate& date);
+	static QString formatLatitude(const QGeoCoordinate& coord);
+	static QString formatLatitudeNS(const QGeoCoordinate& coord);
+	static QString formatLongitude(const QGeoCoordinate& coord);
+	static QString formatLongitudeEW(const QGeoCoordinate& coord);
+	static QString formatAltitude(const QGeoCoordinate& coord);
+	static QString formatAltitudeUnits(const QGeoCoordinate& coord);
+	static QString formatSpeedKnots(const QGeoPositionInfo& pos);
+	static QString formatSpeedKmH(const QGeoPositionInfo& pos);
+	static QString formatTrueCourse(const QGeoPositionInfo& pos);
+	static QString formatMagCourse(const QGeoPositionInfo& pos);
+	static QString formatMagVariation(const QGeoPositionInfo& pos);
+	static QString formatMagVariationEW(const QGeoPositionInfo& pos);
+	static QString formatHDOP(const QGeoPositionInfo& pos);
+	static QString formatVDOP(const QGeoPositionInfo& pos);
+	static QString formatPDOP(const QGeoPositionInfo& pos);
+	static QString formatError(const QGeoPositionInfo& pos,
+							   PositionAccuracyDirection which = Spherical);
+	static QString formatErrorUnits(const QGeoPositionInfo& pos,
+									PositionAccuracyDirection which = Spherical);
+	static QString formatSatPrn(const QGeoSatelliteInfo& sat);
+	static QString formatSatElev(const QGeoSatelliteInfo& sat);
+	static QString formatSatAz(const QGeoSatelliteInfo& sat);
+	static QString formatSatSnr(const QGeoSatelliteInfo& sat);
+
+	void emitSentence(const QString& sentence);
+
+	void generateGPRMC(const QGeoPositionInfo& pos);
+	void generateGPGGA(const QGeoPositionInfo& pos);
+	void generateGPGLL(const QGeoPositionInfo& pos);
+	void generateGPVTG(const QGeoPositionInfo& pos);
+	void generatePGRME(const QGeoPositionInfo& pos);
+
+	void generateGPGSA(const QGeoPositionInfo& pos, const QList<QGeoSatelliteInfo>& info);
+	void generateGPGSV(const QGeoPositionInfo& pos, const QList<QGeoSatelliteInfo>& info);
+
+protected slots:
+	void handlePosition(const QGeoPositionInfo& pos);
+	void handleSatsInUse(const QList<QGeoSatelliteInfo>& info);
+	void handleSatsInView(const QList<QGeoSatelliteInfo>& info);
+
+private:
+	QGeoPositionInfoSource *m_possrc;
+	QGeoSatelliteInfoSource *m_satsrc;
+	QGeoPositionInfo m_last_pos;
+	int m_last_satsinview;
+};
+
+#endif // NMEASOURCE_H