Parent Directory | Revision Log
Stackable window control flow fixes
1 | harbaum | 1 | /* |
2 | * Copyright (C) 2008 Till Harbaum <till@harbaum.org>. | ||
3 | * | ||
4 | * This file is based upon parts of gpsd/libgps | ||
5 | * | ||
6 | * This file is part of GPXView. | ||
7 | * | ||
8 | * GPXView is free software: you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License as published by | ||
10 | * the Free Software Foundation, either version 3 of the License, or | ||
11 | * (at your option) any later version. | ||
12 | * | ||
13 | * GPXView is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | * GNU General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with GPXView. If not, see <http://www.gnu.org/licenses/>. | ||
20 | * | ||
21 | */ | ||
22 | |||
23 | #ifndef GPS_H | ||
24 | #define GPS_H | ||
25 | |||
26 | #include "gpx.h" | ||
27 | |||
28 | #ifndef NAN | ||
29 | #define NAN (0.0/0.0) | ||
30 | #endif /* !NAN */ | ||
31 | |||
32 | #define MAXCHANNELS 20 | ||
33 | #define MAXTAGLEN 8 /* maximum length of sentence tag name */ | ||
34 | #define MPS_TO_KNOTS 1.9438445 /* Meters per second to knots */ | ||
35 | |||
36 | struct gps_fix_t { | ||
37 | int mode; /* Mode of fix */ | ||
38 | #define MODE_NOT_SEEN 0 /* mode update not seen yet */ | ||
39 | #define MODE_NO_FIX 1 /* none */ | ||
40 | #define MODE_2D 2 /* good for latitude/longitude */ | ||
41 | #define MODE_3D 3 /* good for altitude/climb too */ | ||
42 | double ept; /* Expected time uncertainty */ | ||
43 | // double latitude; /* Latitude in degrees (valid if mode >= 2) */ | ||
44 | // double longitude; /* Longitude in degrees (valid if mode >= 2) */ | ||
45 | pos_t pos; /* Latitude/Longitude in degrees (valid if mode >= 2) */ | ||
46 | double eph; /* Horizontal position uncertainty, meters */ | ||
47 | double altitude; /* Altitude in meters (valid if mode == 3) */ | ||
48 | double epv; /* Vertical position uncertainty, meters */ | ||
49 | double track; /* Course made good (relative to true north) */ | ||
50 | double epd; /* Track uncertainty, degrees */ | ||
51 | double speed; /* Speed over ground, meters/sec */ | ||
52 | double eps; /* Speed uncertainty, meters/sec */ | ||
53 | double climb; /* Vertical speed, meters/sec */ | ||
54 | double epc; /* Vertical speed uncertainty */ | ||
55 | }; | ||
56 | |||
57 | typedef unsigned int gps_mask_t; | ||
58 | |||
59 | struct gps_data_t { | ||
60 | gps_mask_t set; /* has field been set since this was last cleared? */ | ||
61 | #define ONLINE_SET 0x00000001u | ||
62 | #define TIME_SET 0x00000002u | ||
63 | #define TIMERR_SET 0x00000004u | ||
64 | #define LATLON_SET 0x00000008u | ||
65 | #define ALTITUDE_SET 0x00000010u | ||
66 | #define SPEED_SET 0x00000020u | ||
67 | #define TRACK_SET 0x00000040u | ||
68 | #define CLIMB_SET 0x00000080u | ||
69 | #define STATUS_SET 0x00000100u | ||
70 | #define MODE_SET 0x00000200u | ||
71 | #define HDOP_SET 0x00000400u | ||
72 | #define VDOP_SET 0x00000800u | ||
73 | #define PDOP_SET 0x00001000u | ||
74 | #define TDOP_SET 0x00002000u | ||
75 | #define GDOP_SET 0x00004000u | ||
76 | #define DOP_SET (HDOP_SET|VDOP_SET|PDOP_SET|TDOP_SET|GDOP_SET) | ||
77 | #define HERR_SET 0x00008000u | ||
78 | #define VERR_SET 0x00010000u | ||
79 | #define PERR_SET 0x00020000u | ||
80 | #define ERR_SET (HERR_SET | VERR_SET | PERR_SET) | ||
81 | #define SATELLITE_SET 0x00040000u | ||
82 | #define PSEUDORANGE_SET 0x00080000u | ||
83 | #define USED_SET 0x00100000u | ||
84 | #define SPEEDERR_SET 0x00200000u | ||
85 | #define TRACKERR_SET 0x00400000u | ||
86 | #define CLIMBERR_SET 0x00800000u | ||
87 | #define DEVICE_SET 0x01000000u | ||
88 | #define DEVICELIST_SET 0x02000000u | ||
89 | #define DEVICEID_SET 0x04000000u | ||
90 | #define ERROR_SET 0x08000000u | ||
91 | #define CYCLE_START_SET 0x10000000u | ||
92 | #define RTCM_SET 0x20000000u | ||
93 | #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) | ||
94 | double online; /* NZ if GPS is on line, 0 if not. | ||
95 | * | ||
96 | * Note: gpsd clears this flag when sentences | ||
97 | * fail to show up within the GPS's normal | ||
98 | * send cycle time. If the host-to-GPS | ||
99 | * link is lossy enough to drop entire | ||
100 | * sentences, this flag will be | ||
101 | * prone to false negatives. | ||
102 | */ | ||
103 | |||
104 | struct gps_fix_t fix; /* accumulated PVT data */ | ||
105 | |||
106 | double separation; /* Geoidal separation, MSL - WGS84 (Meters) */ | ||
107 | |||
108 | /* GPS status -- always valid */ | ||
109 | int status; /* Do we have a fix? */ | ||
110 | #define STATUS_NO_FIX 0 /* no */ | ||
111 | #define STATUS_FIX 1 /* yes, without DGPS */ | ||
112 | #define STATUS_DGPS_FIX 2 /* yes, with DGPS */ | ||
113 | |||
114 | /* precision of fix -- valid if satellites_used > 0 */ | ||
115 | int satellites_used; /* Number of satellites used in solution */ | ||
116 | int used[MAXCHANNELS]; /* PRNs of satellites used in solution */ | ||
117 | double pdop, hdop, vdop, tdop, gdop; /* Dilution of precision */ | ||
118 | |||
119 | /* redundant with the estimate elments in the fix structure */ | ||
120 | double epe; /* spherical position error, 95% confidence (meters) */ | ||
121 | |||
122 | /* satellite status -- valid when satellites > 0 */ | ||
123 | int satellites; /* # of satellites in view */ | ||
124 | int PRN[MAXCHANNELS]; /* PRNs of satellite */ | ||
125 | int elevation[MAXCHANNELS]; /* elevation of satellite */ | ||
126 | int azimuth[MAXCHANNELS]; /* azimuth */ | ||
127 | int ss[MAXCHANNELS]; /* signal-to-noise ratio (dB) */ | ||
128 | |||
129 | /* compass status -- TrueNorth (and any similar) devices only */ | ||
130 | char headingStatus; | ||
131 | char pitchStatus; | ||
132 | char rollStatus; | ||
133 | double horzField; /* Magnitude of horizontal magnetic field */ | ||
134 | }; | ||
135 | |||
136 | #ifdef USE_MAEMO | ||
137 | #ifdef ENABLE_GPSBT | ||
138 | #include <gpsbt.h> | ||
139 | #include <gpsmgr.h> | ||
140 | #endif | ||
141 | #include <errno.h> | ||
142 | #endif | ||
143 | |||
144 | #ifdef ENABLE_LIBLOCATION | ||
145 | #include <location/location-gps-device.h> | ||
146 | #include <location/location-gpsd-control.h> | ||
147 | #endif | ||
148 | |||
149 | harbaum | 8 | typedef struct { |
150 | int num; | ||
151 | int *PRN; | ||
152 | int *ss; | ||
153 | int *used; | ||
154 | } gps_sat_t; | ||
155 | |||
156 | |||
157 | harbaum | 1 | typedef struct gps_state { |
158 | #ifndef ENABLE_LIBLOCATION | ||
159 | #ifdef ENABLE_GPSBT | ||
160 | gpsbt_t context; | ||
161 | #endif | ||
162 | |||
163 | GThread* thread_p; | ||
164 | GMutex *mutex; | ||
165 | GnomeVFSInetConnection *iconn; | ||
166 | GnomeVFSSocket *socket; | ||
167 | |||
168 | struct gps_data_t gpsdata; | ||
169 | #else | ||
170 | LocationGPSDevice *device; | ||
171 | harbaum | 11 | #if MAEMO_VERSION_MAJOR < 5 |
172 | LocationGPSDControl *control; | ||
173 | #endif | ||
174 | guint idd_changed; | ||
175 | harbaum | 8 | int fields; |
176 | harbaum | 1 | double latitude, longitude; |
177 | harbaum | 7 | double heading, epe; |
178 | harbaum | 8 | gps_sat_t sats; |
179 | harbaum | 1 | #endif |
180 | } gps_state_t; | ||
181 | |||
182 | void gps_init(appdata_t *appdata); | ||
183 | void gps_release(appdata_t *appdata); | ||
184 | pos_t *gps_get_pos(appdata_t *appdata); | ||
185 | float gps_get_heading(appdata_t *appdata); | ||
186 | float gps_get_epe(appdata_t *appdata); | ||
187 | gps_sat_t *gps_get_sats(appdata_t *appdata); | ||
188 | |||
189 | |||
190 | #endif // GPS_H |