Diff of /trunk/src/gps.h

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revision 232 by harbaum, Thu Oct 29 13:59:16 2009 UTC revision 233 by harbaum, Wed Dec 9 19:45:36 2009 UTC
# Line 39  struct gps_fix_t { Line 39  struct gps_fix_t {
39  #define MODE_NO_FIX     1       /* none */  #define MODE_NO_FIX     1       /* none */
40  #define MODE_2D         2       /* good for latitude/longitude */  #define MODE_2D         2       /* good for latitude/longitude */
41  #define MODE_3D         3       /* good for altitude/climb too */  #define MODE_3D         3       /* good for altitude/climb too */
42      double ept;         /* Expected time uncertainty */      pos_t pos;      /* Latitude/Longitude in degrees (valid if mode >= 2) */
43    //    double latitude;        /* Latitude in degrees (valid if mode >= 2) */      float eph;      /* Horizontal position uncertainty, meters */
44    //    double longitude;       /* Longitude in degrees (valid if mode >= 2) */      float track;    /* Course made good (relative to true north) */
   pos_t pos;            /* Latitude/Longitude in degrees (valid if mode >= 2) */  
     double eph;         /* Horizontal position uncertainty, meters */  
     double altitude;    /* Altitude in meters (valid if mode == 3) */  
     double track;       /* Course made good (relative to true north) */  
     double epd;         /* Track uncertainty, degrees */  
     double speed;       /* Speed over ground, meters/sec */  
     double eps;         /* Speed uncertainty, meters/sec */  
     double climb;       /* Vertical speed, meters/sec */  
     double epc;         /* Vertical speed uncertainty */  
45  };  };
46    
47  typedef unsigned int gps_mask_t;  typedef unsigned int gps_mask_t;
48    
49  struct gps_data_t {  struct gps_data_t {
50      gps_mask_t set;     /* has field been set since this was last cleared? */      gps_mask_t set;     /* has field been set since this was last cleared? */
 #define ONLINE_SET      0x00000001u  
 #define TIME_SET        0x00000002u  
 #define TIMERR_SET      0x00000004u  
51  #define LATLON_SET      0x00000008u  #define LATLON_SET      0x00000008u
 #define ALTITUDE_SET    0x00000010u  
52  #define SPEED_SET       0x00000020u  #define SPEED_SET       0x00000020u
53  #define TRACK_SET       0x00000040u  #define TRACK_SET       0x00000040u
 #define CLIMB_SET       0x00000080u  
54  #define STATUS_SET      0x00000100u  #define STATUS_SET      0x00000100u
55  #define MODE_SET        0x00000200u  #define MODE_SET        0x00000200u
 #define HDOP_SET        0x00000400u  
 #define VDOP_SET        0x00000800u  
 #define PDOP_SET        0x00001000u  
 #define TDOP_SET        0x00002000u  
 #define GDOP_SET        0x00004000u  
 #define DOP_SET         (HDOP_SET|VDOP_SET|PDOP_SET|TDOP_SET|GDOP_SET)  
56  #define HERR_SET        0x00008000u  #define HERR_SET        0x00008000u
 #define VERR_SET        0x00010000u  
 #define PERR_SET        0x00020000u  
 #define ERR_SET         (HERR_SET | VERR_SET | PERR_SET)  
57  #define SATELLITE_SET   0x00040000u  #define SATELLITE_SET   0x00040000u
 #define PSEUDORANGE_SET 0x00080000u  
 #define USED_SET        0x00100000u  
 #define SPEEDERR_SET    0x00200000u  
 #define TRACKERR_SET    0x00400000u  
 #define CLIMBERR_SET    0x00800000u  
 #define DEVICE_SET      0x01000000u  
 #define DEVICELIST_SET  0x02000000u  
 #define DEVICEID_SET    0x04000000u  
 #define ERROR_SET       0x08000000u  
 #define CYCLE_START_SET 0x10000000u  
 #define RTCM_SET        0x20000000u  
 #define FIX_SET         (TIME_SET|MODE_SET|TIMERR_SET|LATLON_SET|HERR_SET|ALTITUDE_SET|VERR_SET|TRACK_SET|TRACKERR_SET|SPEED_SET|SPEEDERR_SET|CLIMB_SET|CLIMBERR_SET)  
     double online;              /* NZ if GPS is on line, 0 if not.  
                                  *  
                                  * Note: gpsd clears this flag when sentences  
                                  * fail to show up within the GPS's normal  
                                  * send cycle time. If the host-to-GPS  
                                  * link is lossy enough to drop entire  
                                  * sentences, this flag will be  
                                  * prone to false negatives.  
                                  */  
   
58      struct gps_fix_t    fix;            /* accumulated PVT data */      struct gps_fix_t    fix;            /* accumulated PVT data */
59    
     double separation;          /* Geoidal separation, MSL - WGS84 (Meters) */  
   
60      /* GPS status -- always valid */      /* GPS status -- always valid */
61      int    status;              /* Do we have a fix? */      int    status;              /* Do we have a fix? */
62  #define STATUS_NO_FIX   0       /* no */  #define STATUS_NO_FIX   0       /* no */
# Line 113  struct gps_data_t { Line 66  struct gps_data_t {
66      /* precision of fix -- valid if satellites_used > 0 */      /* precision of fix -- valid if satellites_used > 0 */
67      int satellites_used;        /* Number of satellites used in solution */      int satellites_used;        /* Number of satellites used in solution */
68      int used[MAXCHANNELS];      /* PRNs of satellites used in solution */      int used[MAXCHANNELS];      /* PRNs of satellites used in solution */
     double pdop, hdop, vdop, tdop, gdop;        /* Dilution of precision */  
69    
70      /* satellite status -- valid when satellites > 0 */      /* satellite status -- valid when satellites > 0 */
71      int satellites;             /* # of satellites in view */      int satellites;             /* # of satellites in view */
# Line 121  struct gps_data_t { Line 73  struct gps_data_t {
73      int elevation[MAXCHANNELS]; /* elevation of satellite */      int elevation[MAXCHANNELS]; /* elevation of satellite */
74      int azimuth[MAXCHANNELS];   /* azimuth */      int azimuth[MAXCHANNELS];   /* azimuth */
75      int ss[MAXCHANNELS];        /* signal-to-noise ratio (dB) */      int ss[MAXCHANNELS];        /* signal-to-noise ratio (dB) */
   
     /* compass status -- TrueNorth (and any similar) devices only */  
     char headingStatus;  
     char pitchStatus;  
     char rollStatus;  
     double horzField;   /* Magnitude of horizontal magnetic field */  
76  };  };
77    
78  #ifdef USE_MAEMO  #ifdef USE_MAEMO
# Line 174  typedef struct gps_state { Line 120  typedef struct gps_state {
120    LocationGPSDControl *control;    LocationGPSDControl *control;
121    guint idd_changed;    guint idd_changed;
122    int fields;    int fields;
123    double latitude, longitude;  
124    double heading, eph;    struct gps_fix_t fix;
125    gps_sat_t sats;    gps_sat_t sats;
126  #endif  #endif
127    
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