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// GPS |
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// |
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// Douglas Thrift |
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// |
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// $Id$ |
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|
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#ifndef _GPS_hpp_ |
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#define _GPS_hpp_ |
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|
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#include <cmath> |
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#include <string> |
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|
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#include <truck.hpp> |
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|
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#include <gps.h> |
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|
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namespace GPS |
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{ |
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|
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class Error : public std::exception |
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{ |
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std::string message; |
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public: |
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Error(); |
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virtual ~Error() throw() {} |
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virtual const char *what() const throw() { return message.c_str(); } |
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}; |
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|
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class GPS |
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{ |
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gps_data_t *gps; |
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public: |
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GPS(const std::string &host = _B("localhost"), const std::string &port = _B(DEFAULT_GPSD_PORT)); |
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~GPS() { ::gps_close(gps); } |
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void Poll(); |
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void Query(const std::string &query); |
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double GetLatitude() { return gps->fix.latitude; } |
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double GetLongitude() { return gps->fix.longitude; } |
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double GetAltitude() { return gps->fix.altitude; } |
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double GetAltitudeFeet() { return GetAltitude() * METERS_TO_FEET; } |
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double GetTrack() { return gps->fix.track; } |
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double GetSpeed() { return gps->fix.speed; } |
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double GetSpeedMPH() { return GetSpeed() * MPS_TO_MPH; } |
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double GetSpeedKMH() { return GetSpeed() * MPS_TO_KPH; } |
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double GetSpeedKnots() { return GetSpeed() * MPS_TO_KNOTS; } |
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double GetClimb() { return gps->fix.climb; } |
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}; |
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|
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} |
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|
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#endif//_GPS_hpp_ |
