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Wizard tests
1 | harbaum | 1 | /* |
2 | * Copyright (C) 2008 Till Harbaum <till@harbaum.org>. | ||
3 | * | ||
4 | * This file is part of OSM2Go. | ||
5 | * | ||
6 | * OSM2Go is free software: you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation, either version 3 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * OSM2Go is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with OSM2Go. If not, see <http://www.gnu.org/licenses/>. | ||
18 | */ | ||
19 | |||
20 | #include <stdio.h> | ||
21 | #include <string.h> | ||
22 | #include <math.h> | ||
23 | |||
24 | #include "appdata.h" | ||
25 | |||
26 | harbaum | 118 | #ifdef ENABLE_LIBLOCATION |
27 | |||
28 | #include <location/location-gps-device.h> | ||
29 | |||
30 | harbaum | 156 | gboolean gps_get_pos(appdata_t *appdata, pos_t *pos, float *alt) { |
31 | harbaum | 144 | if(!appdata->gps_enabled) |
32 | harbaum | 156 | return FALSE; |
33 | harbaum | 144 | |
34 | harbaum | 118 | gps_state_t *gps_state = appdata->gps_state; |
35 | |||
36 | if(!gps_state->fix) | ||
37 | harbaum | 156 | return FALSE; |
38 | harbaum | 118 | |
39 | harbaum | 156 | if(pos) { |
40 | pos->lat = gps_state->latitude; | ||
41 | pos->lon = gps_state->longitude; | ||
42 | } | ||
43 | harbaum | 118 | |
44 | harbaum | 156 | if(alt) |
45 | *alt = gps_state->altitude; | ||
46 | |||
47 | return TRUE; | ||
48 | harbaum | 118 | } |
49 | |||
50 | static void | ||
51 | location_changed(LocationGPSDevice *device, gps_state_t *gps_state) { | ||
52 | |||
53 | gps_state->fix = | ||
54 | (device->fix->fields & LOCATION_GPS_DEVICE_LATLONG_SET); | ||
55 | |||
56 | if(gps_state->fix) { | ||
57 | gps_state->latitude = device->fix->latitude; | ||
58 | gps_state->longitude = device->fix->longitude; | ||
59 | } | ||
60 | harbaum | 156 | |
61 | if(device->fix->fields & LOCATION_GPS_DEVICE_ALTITUDE_SET) | ||
62 | gps_state->altitude = device->fix->altitude; | ||
63 | else | ||
64 | gps_state->altitude = NAN; | ||
65 | harbaum | 118 | } |
66 | |||
67 | void gps_init(appdata_t *appdata) { | ||
68 | gps_state_t *gps_state = appdata->gps_state = g_new0(gps_state_t, 1); | ||
69 | |||
70 | printf("GPS init: Using liblocation\n"); | ||
71 | |||
72 | gps_state->device = g_object_new(LOCATION_TYPE_GPS_DEVICE, NULL); | ||
73 | if(!gps_state->device) { | ||
74 | printf("Unable to connect to liblocation\n"); | ||
75 | return; | ||
76 | } | ||
77 | |||
78 | gps_state->idd_changed = | ||
79 | g_signal_connect(gps_state->device, "changed", | ||
80 | G_CALLBACK(location_changed), gps_state); | ||
81 | |||
82 | harbaum | 124 | #if MAEMO_VERSION_MAJOR < 5 |
83 | harbaum | 118 | gps_state->control = location_gpsd_control_get_default(); |
84 | harbaum | 144 | |
85 | harbaum | 186 | if(gps_state->control && gps_state->control->can_control) { |
86 | harbaum | 144 | printf("Having control over GPSD and GPS is to be enabled, starting it\n"); |
87 | harbaum | 118 | location_gpsd_control_start(gps_state->control); |
88 | } | ||
89 | harbaum | 124 | #endif |
90 | harbaum | 118 | } |
91 | |||
92 | void gps_release(appdata_t *appdata) { | ||
93 | gps_state_t *gps_state = appdata->gps_state; | ||
94 | |||
95 | if(!gps_state->device) return; | ||
96 | |||
97 | harbaum | 124 | #if MAEMO_VERSION_MAJOR < 5 |
98 | harbaum | 144 | if(gps_state->control && gps_state->control->can_control) { |
99 | harbaum | 118 | printf("Having control over GPSD, stopping it\n"); |
100 | location_gpsd_control_stop(gps_state->control); | ||
101 | } | ||
102 | harbaum | 124 | #endif |
103 | harbaum | 118 | |
104 | harbaum | 144 | /* Disconnect signal */ |
105 | harbaum | 118 | g_signal_handler_disconnect(gps_state->device, gps_state->idd_changed); |
106 | |||
107 | g_free(appdata->gps_state); | ||
108 | appdata->gps_state = NULL; | ||
109 | } | ||
110 | |||
111 | harbaum | 144 | void gps_enable(appdata_t *appdata, gboolean enable) { |
112 | appdata->gps_enabled = enable; | ||
113 | } | ||
114 | |||
115 | harbaum | 118 | #else // ENABLE_LIBLOCATION |
116 | |||
117 | harbaum | 112 | #ifdef ENABLE_GPSBT |
118 | harbaum | 1 | #include <gpsbt.h> |
119 | #include <gpsmgr.h> | ||
120 | #include <errno.h> | ||
121 | #endif | ||
122 | |||
123 | /* maybe user configurable later on ... */ | ||
124 | #define GPSD_HOST "127.0.0.1" | ||
125 | #define GPSD_PORT 2947 | ||
126 | |||
127 | harbaum | 156 | gboolean gps_get_pos(appdata_t *appdata, pos_t *pos, float *alt) { |
128 | if(pos) pos->lat = NAN; | ||
129 | harbaum | 1 | |
130 | g_mutex_lock(appdata->gps_state->mutex); | ||
131 | harbaum | 156 | if(appdata->gps_state->gpsdata.set & STATUS_SET) { |
132 | if(appdata->gps_state->gpsdata.status != STATUS_NO_FIX) { | ||
133 | harbaum | 1 | if(appdata->gps_state->gpsdata.set & LATLON_SET) |
134 | harbaum | 156 | *pos = appdata->gps_state->gpsdata.fix.pos; |
135 | if(appdata->gps_state->gpsdata.set & ALTITUDE_SET) | ||
136 | *alt = appdata->gps_state->gpsdata.fix.alt; | ||
137 | } | ||
138 | } | ||
139 | |||
140 | harbaum | 1 | g_mutex_unlock(appdata->gps_state->mutex); |
141 | harbaum | 156 | |
142 | return(!isnan(pos->lat)); | ||
143 | harbaum | 1 | } |
144 | |||
145 | static int gps_connect(gps_state_t *gps_state) { | ||
146 | GnomeVFSResult vfs_result; | ||
147 | harbaum | 112 | #ifdef ENABLE_GPSBT |
148 | harbaum | 1 | char errstr[256] = ""; |
149 | |||
150 | /* We need to start gpsd (via gpsbt) first. */ | ||
151 | memset(&gps_state->context, 0, sizeof(gpsbt_t)); | ||
152 | errno = 0; | ||
153 | |||
154 | if(gpsbt_start(NULL, 0, 0, 0, errstr, sizeof(errstr), | ||
155 | 0, &gps_state->context) < 0) { | ||
156 | printf("Error connecting to GPS receiver: (%d) %s (%s)\n", | ||
157 | errno, strerror(errno), errstr); | ||
158 | } | ||
159 | #endif | ||
160 | |||
161 | /************** from here down pure gnome/gtk/gpsd ********************/ | ||
162 | |||
163 | /* try to connect to gpsd */ | ||
164 | /* Create a socket to interact with GPSD. */ | ||
165 | |||
166 | harbaum | 156 | printf("GPSD: trying to connect to %s %d\n", GPSD_HOST, GPSD_PORT); |
167 | |||
168 | harbaum | 1 | int retries = 5; |
169 | while(retries && | ||
170 | (GNOME_VFS_OK != (vfs_result = gnome_vfs_inet_connection_create( | ||
171 | &gps_state->iconn, GPSD_HOST, GPSD_PORT, NULL)))) { | ||
172 | printf("Error creating connection to GPSD, retrying ...\n"); | ||
173 | |||
174 | retries--; | ||
175 | sleep(1); | ||
176 | } | ||
177 | |||
178 | if(!retries) { | ||
179 | printf("Finally failed ...\n"); | ||
180 | return -1; | ||
181 | } | ||
182 | |||
183 | retries = 5; | ||
184 | while(retries && ((gps_state->socket = | ||
185 | gnome_vfs_inet_connection_to_socket(gps_state->iconn)) == NULL)) { | ||
186 | printf("Error creating connecting GPSD socket, retrying ...\n"); | ||
187 | |||
188 | retries--; | ||
189 | sleep(1); | ||
190 | } | ||
191 | |||
192 | if(!retries) { | ||
193 | printf("Finally failed ...\n"); | ||
194 | gnome_vfs_inet_connection_destroy(gps_state->iconn, NULL); | ||
195 | return -1; | ||
196 | } | ||
197 | |||
198 | GTimeVal timeout = { 10, 0 }; | ||
199 | if(GNOME_VFS_OK != (vfs_result = gnome_vfs_socket_set_timeout( | ||
200 | gps_state->socket, &timeout, NULL))) { | ||
201 | printf("Error setting GPSD timeout\n"); | ||
202 | gnome_vfs_inet_connection_destroy(gps_state->iconn, NULL); | ||
203 | return -1; | ||
204 | } | ||
205 | |||
206 | printf("GPSD connected ...\n"); | ||
207 | |||
208 | return 0; | ||
209 | } | ||
210 | |||
211 | void gps_clear_fix(struct gps_fix_t *fixp) { | ||
212 | fixp->mode = MODE_NOT_SEEN; | ||
213 | fixp->pos.lat = fixp->pos.lon = NAN; | ||
214 | harbaum | 156 | fixp->alt = NAN; |
215 | harbaum | 1 | fixp->eph = NAN; |
216 | } | ||
217 | |||
218 | /* unpack a daemon response into a status structure */ | ||
219 | static void gps_unpack(char *buf, struct gps_data_t *gpsdata) { | ||
220 | char *ns, *sp, *tp; | ||
221 | |||
222 | for(ns = buf; ns; ns = strstr(ns+1, "GPSD")) { | ||
223 | if(strncmp(ns, "GPSD", 4) == 0) { | ||
224 | /* the following should execute each time we have a good next sp */ | ||
225 | for (sp = ns + 5; *sp != '\0'; sp = tp+1) { | ||
226 | tp = sp + strcspn(sp, ",\r\n"); | ||
227 | if (*tp == '\0') tp--; | ||
228 | else *tp = '\0'; | ||
229 | |||
230 | switch (*sp) { | ||
231 | case 'O': | ||
232 | if (sp[2] == '?') { | ||
233 | gpsdata->set = | ||
234 | (gpsdata->set & SATELLITE_SET) | // fix for below | ||
235 | MODE_SET | STATUS_SET; // this clears sat info?? | ||
236 | gpsdata->status = STATUS_NO_FIX; | ||
237 | gps_clear_fix(&gpsdata->fix); | ||
238 | } else { | ||
239 | struct gps_fix_t nf; | ||
240 | char tag[MAXTAGLEN+1], alt[20], eph[20], lat[20], lon[20], mode[2]; | ||
241 | int st = sscanf(sp+2, | ||
242 | "%8s %*s %*s %19s %19s " | ||
243 | "%19s %19s %*s %*s %*s %*s " | ||
244 | "%*s %*s %*s %1s", | ||
245 | tag, lat, lon, | ||
246 | alt, eph, | ||
247 | mode); | ||
248 | if (st >= 5) { | ||
249 | #define DEFAULT(val) (val[0] == '?') ? NAN : g_ascii_strtod(val, NULL) | ||
250 | nf.pos.lat = DEFAULT(lat); | ||
251 | nf.pos.lon = DEFAULT(lon); | ||
252 | nf.eph = DEFAULT(eph); | ||
253 | harbaum | 156 | nf.alt = DEFAULT(alt); |
254 | harbaum | 1 | #undef DEFAULT |
255 | if (st >= 6) | ||
256 | nf.mode = (mode[0] == '?') ? MODE_NOT_SEEN : atoi(mode); | ||
257 | else | ||
258 | nf.mode = (alt[0] == '?') ? MODE_2D : MODE_3D; | ||
259 | gpsdata->fix = nf; | ||
260 | gpsdata->set |= LATLON_SET|MODE_SET; | ||
261 | gpsdata->status = STATUS_FIX; | ||
262 | gpsdata->set |= STATUS_SET; | ||
263 | harbaum | 156 | |
264 | if(alt[0] != '?') | ||
265 | gpsdata->set |= ALTITUDE_SET; | ||
266 | harbaum | 1 | } |
267 | } | ||
268 | break; | ||
269 | } | ||
270 | } | ||
271 | } | ||
272 | } | ||
273 | } | ||
274 | |||
275 | harbaum | 144 | void gps_enable(appdata_t *appdata, gboolean enable) { |
276 | appdata->gps_enabled = enable; | ||
277 | } | ||
278 | |||
279 | harbaum | 1 | gpointer gps_thread(gpointer data) { |
280 | GnomeVFSFileSize bytes_read; | ||
281 | GnomeVFSResult vfs_result; | ||
282 | char str[512]; | ||
283 | appdata_t *appdata = (appdata_t*)data; | ||
284 | |||
285 | const char *msg = "o\r\n"; /* pos request */ | ||
286 | |||
287 | appdata->gps_state->gpsdata.set = 0; | ||
288 | |||
289 | gboolean connected = FALSE; | ||
290 | |||
291 | while(1) { | ||
292 | if(appdata->gps_enabled) { | ||
293 | if(!connected) { | ||
294 | printf("trying to connect\n"); | ||
295 | |||
296 | if(gps_connect(appdata->gps_state) < 0) | ||
297 | sleep(10); | ||
298 | else | ||
299 | connected = TRUE; | ||
300 | } else { | ||
301 | if(GNOME_VFS_OK == | ||
302 | (vfs_result = gnome_vfs_socket_write(appdata->gps_state->socket, | ||
303 | msg, strlen(msg)+1, &bytes_read, NULL))) { | ||
304 | |||
305 | /* update every second, wait here to make sure a complete */ | ||
306 | /* reply is received */ | ||
307 | sleep(1); | ||
308 | |||
309 | if(bytes_read == (strlen(msg)+1)) { | ||
310 | vfs_result = gnome_vfs_socket_read(appdata->gps_state->socket, | ||
311 | str, sizeof(str)-1, &bytes_read, NULL); | ||
312 | if(vfs_result == GNOME_VFS_OK) { | ||
313 | str[bytes_read] = 0; | ||
314 | |||
315 | printf("msg: %s (%d)\n", str, strlen(str)); | ||
316 | |||
317 | g_mutex_lock(appdata->gps_state->mutex); | ||
318 | |||
319 | appdata->gps_state->gpsdata.set &= | ||
320 | ~(LATLON_SET|MODE_SET|STATUS_SET); | ||
321 | |||
322 | gps_unpack(str, &appdata->gps_state->gpsdata); | ||
323 | g_mutex_unlock(appdata->gps_state->mutex); | ||
324 | } | ||
325 | } | ||
326 | } | ||
327 | } | ||
328 | } else { | ||
329 | if(connected) { | ||
330 | printf("stopping GPS connection due to user request\n"); | ||
331 | gnome_vfs_inet_connection_destroy(appdata->gps_state->iconn, NULL); | ||
332 | |||
333 | harbaum | 112 | #ifdef ENABLE_GPSBT |
334 | harbaum | 1 | gpsbt_stop(&appdata->gps_state->context); |
335 | #endif | ||
336 | connected = FALSE; | ||
337 | } else | ||
338 | sleep(1); | ||
339 | } | ||
340 | } | ||
341 | |||
342 | printf("GPS thread ended???\n"); | ||
343 | return NULL; | ||
344 | } | ||
345 | |||
346 | void gps_init(appdata_t *appdata) { | ||
347 | appdata->gps_state = g_new0(gps_state_t, 1); | ||
348 | |||
349 | harbaum | 118 | printf("GPS init: Using gpsd\n"); |
350 | |||
351 | harbaum | 1 | /* start a new thread to listen to gpsd */ |
352 | appdata->gps_state->mutex = g_mutex_new(); | ||
353 | appdata->gps_state->thread_p = | ||
354 | g_thread_create(gps_thread, appdata, FALSE, NULL); | ||
355 | } | ||
356 | |||
357 | void gps_release(appdata_t *appdata) { | ||
358 | harbaum | 112 | #ifdef ENABLE_GPSBT |
359 | harbaum | 1 | gpsbt_stop(&appdata->gps_state->context); |
360 | #endif | ||
361 | g_free(appdata->gps_state); | ||
362 | harbaum | 118 | appdata->gps_state = NULL; |
363 | harbaum | 1 | } |
364 | harbaum | 118 | |
365 | #endif // ENABLE_LIBLOCATION |