/usr/include/libindi/indigps.h is in libindi-dev 1.2.0-3.
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Copyright(c) 2015 Jasem Mutlaq. All rights reserved.
INDI GPS Device Class
This program 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 2 of the License, or (at your option)
any later version.
This program 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 Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
The full GNU General Public License is included in this distribution in the
file called LICENSE.
*******************************************************************************/
#ifndef INDIGPS_H
#define INDIGPS_H
#include <defaultdevice.h>
/**
* \class INDI::GPS
\brief Class to provide general functionality of a GPS device.
The INDI::GPS provides a simple interface for GPS devices. It reports time in INDI standard property TIME_UTC. Location is reported in INDI standard property GEOGRAPHIC_COORD
Only one function is called by the INDI framework to update GPS data (updateGPS()). If the data is valid, it is sent to the client. If GPS data is not ready yet, updateGPS will
be called every second until the data becomes available and then INDI sends the data to the client.
updateGPS() is called upon successful connection and whenever the client requests a data refresh.
\example GPS Simulator is available under Auxiliary drivers as a sample implementation of INDI::GPS
\e IMPORTANT: GEOGRAPHIC_COORD stores latitude and longitude in INDI specific format, refer to <a href="http://indilib.org/develop/developer-manual/101-standard-properties.html">INDI Standard Properties</a> for details.
\author Jasem Mutlaq
*/
class INDI::GPS : public INDI::DefaultDevice
{
public:
enum GPSLocation { LOCATION_LATITUDE, LOCATION_LONGITUDE, LOCATION_ELEVATION };
GPS();
virtual ~GPS();
virtual bool initProperties();
virtual bool updateProperties();
virtual bool ISNewSwitch (const char *dev, const char *name, ISState *states, char *names[], int n);
protected:
/**
* @brief updateGPS Retrieve Location & Time from GPS. Update LocationNP & TimeTP properties (value and state) without sending them to the client (i.e. IDSetXXX).
* @return Return overall state. The state should be IPS_OK if data is valid. IPS_BUSY if GPS fix is in progress. IPS_ALERT is there is an error. The clients will only accept values with IPS_OK state.
*/
virtual IPState updateGPS();
/**
* @brief TimerHit Keep calling updateGPS() until it is successfull, if it fails upon first connection.
*/
virtual void TimerHit();
// A number vector that stores lattitude and longitude
INumberVectorProperty LocationNP;
INumber LocationN[3];
// UTC and UTC Offset
IText TimeT[2];
ITextVectorProperty TimeTP;
// Refresh data
ISwitch RefreshS[1];
ISwitchVectorProperty RefreshSP;
};
#endif // INDIGPS_H
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