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Maemo 5.0alpha compile fixes
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 | 112 | #ifdef ENABLE_GPSBT |
27 | harbaum | 1 | #include <gpsbt.h> |
28 | #include <gpsmgr.h> | ||
29 | #include <errno.h> | ||
30 | #endif | ||
31 | |||
32 | /* maybe user configurable later on ... */ | ||
33 | #define GPSD_HOST "127.0.0.1" | ||
34 | #define GPSD_PORT 2947 | ||
35 | |||
36 | pos_t *gps_get_pos(appdata_t *appdata) { | ||
37 | static pos_t retval; | ||
38 | |||
39 | retval.lat = NAN; | ||
40 | |||
41 | g_mutex_lock(appdata->gps_state->mutex); | ||
42 | if(appdata->gps_state->gpsdata.set & STATUS_SET) | ||
43 | if(appdata->gps_state->gpsdata.status != STATUS_NO_FIX) | ||
44 | if(appdata->gps_state->gpsdata.set & LATLON_SET) | ||
45 | retval = appdata->gps_state->gpsdata.fix.pos; | ||
46 | |||
47 | g_mutex_unlock(appdata->gps_state->mutex); | ||
48 | |||
49 | if(isnan(retval.lat)) | ||
50 | return NULL; | ||
51 | |||
52 | return &retval; | ||
53 | } | ||
54 | |||
55 | static int gps_connect(gps_state_t *gps_state) { | ||
56 | GnomeVFSResult vfs_result; | ||
57 | harbaum | 112 | #ifdef ENABLE_GPSBT |
58 | harbaum | 1 | char errstr[256] = ""; |
59 | |||
60 | /* We need to start gpsd (via gpsbt) first. */ | ||
61 | memset(&gps_state->context, 0, sizeof(gpsbt_t)); | ||
62 | errno = 0; | ||
63 | |||
64 | if(gpsbt_start(NULL, 0, 0, 0, errstr, sizeof(errstr), | ||
65 | 0, &gps_state->context) < 0) { | ||
66 | printf("Error connecting to GPS receiver: (%d) %s (%s)\n", | ||
67 | errno, strerror(errno), errstr); | ||
68 | } | ||
69 | #endif | ||
70 | |||
71 | /************** from here down pure gnome/gtk/gpsd ********************/ | ||
72 | |||
73 | /* try to connect to gpsd */ | ||
74 | /* Create a socket to interact with GPSD. */ | ||
75 | |||
76 | int retries = 5; | ||
77 | while(retries && | ||
78 | (GNOME_VFS_OK != (vfs_result = gnome_vfs_inet_connection_create( | ||
79 | &gps_state->iconn, GPSD_HOST, GPSD_PORT, NULL)))) { | ||
80 | printf("Error creating connection to GPSD, retrying ...\n"); | ||
81 | |||
82 | retries--; | ||
83 | sleep(1); | ||
84 | } | ||
85 | |||
86 | if(!retries) { | ||
87 | printf("Finally failed ...\n"); | ||
88 | return -1; | ||
89 | } | ||
90 | |||
91 | retries = 5; | ||
92 | while(retries && ((gps_state->socket = | ||
93 | gnome_vfs_inet_connection_to_socket(gps_state->iconn)) == NULL)) { | ||
94 | printf("Error creating connecting GPSD socket, retrying ...\n"); | ||
95 | |||
96 | retries--; | ||
97 | sleep(1); | ||
98 | } | ||
99 | |||
100 | if(!retries) { | ||
101 | printf("Finally failed ...\n"); | ||
102 | gnome_vfs_inet_connection_destroy(gps_state->iconn, NULL); | ||
103 | return -1; | ||
104 | } | ||
105 | |||
106 | GTimeVal timeout = { 10, 0 }; | ||
107 | if(GNOME_VFS_OK != (vfs_result = gnome_vfs_socket_set_timeout( | ||
108 | gps_state->socket, &timeout, NULL))) { | ||
109 | printf("Error setting GPSD timeout\n"); | ||
110 | gnome_vfs_inet_connection_destroy(gps_state->iconn, NULL); | ||
111 | return -1; | ||
112 | } | ||
113 | |||
114 | printf("GPSD connected ...\n"); | ||
115 | |||
116 | return 0; | ||
117 | } | ||
118 | |||
119 | void gps_clear_fix(struct gps_fix_t *fixp) { | ||
120 | fixp->mode = MODE_NOT_SEEN; | ||
121 | fixp->pos.lat = fixp->pos.lon = NAN; | ||
122 | fixp->eph = NAN; | ||
123 | } | ||
124 | |||
125 | /* unpack a daemon response into a status structure */ | ||
126 | static void gps_unpack(char *buf, struct gps_data_t *gpsdata) { | ||
127 | char *ns, *sp, *tp; | ||
128 | |||
129 | for(ns = buf; ns; ns = strstr(ns+1, "GPSD")) { | ||
130 | if(strncmp(ns, "GPSD", 4) == 0) { | ||
131 | /* the following should execute each time we have a good next sp */ | ||
132 | for (sp = ns + 5; *sp != '\0'; sp = tp+1) { | ||
133 | tp = sp + strcspn(sp, ",\r\n"); | ||
134 | if (*tp == '\0') tp--; | ||
135 | else *tp = '\0'; | ||
136 | |||
137 | switch (*sp) { | ||
138 | case 'O': | ||
139 | if (sp[2] == '?') { | ||
140 | gpsdata->set = | ||
141 | (gpsdata->set & SATELLITE_SET) | // fix for below | ||
142 | MODE_SET | STATUS_SET; // this clears sat info?? | ||
143 | gpsdata->status = STATUS_NO_FIX; | ||
144 | gps_clear_fix(&gpsdata->fix); | ||
145 | } else { | ||
146 | struct gps_fix_t nf; | ||
147 | char tag[MAXTAGLEN+1], alt[20], eph[20], lat[20], lon[20], mode[2]; | ||
148 | int st = sscanf(sp+2, | ||
149 | "%8s %*s %*s %19s %19s " | ||
150 | "%19s %19s %*s %*s %*s %*s " | ||
151 | "%*s %*s %*s %1s", | ||
152 | tag, lat, lon, | ||
153 | alt, eph, | ||
154 | mode); | ||
155 | if (st >= 5) { | ||
156 | #define DEFAULT(val) (val[0] == '?') ? NAN : g_ascii_strtod(val, NULL) | ||
157 | nf.pos.lat = DEFAULT(lat); | ||
158 | nf.pos.lon = DEFAULT(lon); | ||
159 | nf.eph = DEFAULT(eph); | ||
160 | #undef DEFAULT | ||
161 | if (st >= 6) | ||
162 | nf.mode = (mode[0] == '?') ? MODE_NOT_SEEN : atoi(mode); | ||
163 | else | ||
164 | nf.mode = (alt[0] == '?') ? MODE_2D : MODE_3D; | ||
165 | gpsdata->fix = nf; | ||
166 | gpsdata->set |= LATLON_SET|MODE_SET; | ||
167 | gpsdata->status = STATUS_FIX; | ||
168 | gpsdata->set |= STATUS_SET; | ||
169 | } | ||
170 | } | ||
171 | break; | ||
172 | } | ||
173 | } | ||
174 | } | ||
175 | } | ||
176 | } | ||
177 | |||
178 | gpointer gps_thread(gpointer data) { | ||
179 | GnomeVFSFileSize bytes_read; | ||
180 | GnomeVFSResult vfs_result; | ||
181 | char str[512]; | ||
182 | appdata_t *appdata = (appdata_t*)data; | ||
183 | |||
184 | const char *msg = "o\r\n"; /* pos request */ | ||
185 | |||
186 | appdata->gps_state->gpsdata.set = 0; | ||
187 | |||
188 | gboolean connected = FALSE; | ||
189 | |||
190 | while(1) { | ||
191 | if(appdata->gps_enabled) { | ||
192 | if(!connected) { | ||
193 | printf("trying to connect\n"); | ||
194 | |||
195 | if(gps_connect(appdata->gps_state) < 0) | ||
196 | sleep(10); | ||
197 | else | ||
198 | connected = TRUE; | ||
199 | } else { | ||
200 | if(GNOME_VFS_OK == | ||
201 | (vfs_result = gnome_vfs_socket_write(appdata->gps_state->socket, | ||
202 | msg, strlen(msg)+1, &bytes_read, NULL))) { | ||
203 | |||
204 | /* update every second, wait here to make sure a complete */ | ||
205 | /* reply is received */ | ||
206 | sleep(1); | ||
207 | |||
208 | if(bytes_read == (strlen(msg)+1)) { | ||
209 | vfs_result = gnome_vfs_socket_read(appdata->gps_state->socket, | ||
210 | str, sizeof(str)-1, &bytes_read, NULL); | ||
211 | if(vfs_result == GNOME_VFS_OK) { | ||
212 | str[bytes_read] = 0; | ||
213 | |||
214 | printf("msg: %s (%d)\n", str, strlen(str)); | ||
215 | |||
216 | g_mutex_lock(appdata->gps_state->mutex); | ||
217 | |||
218 | appdata->gps_state->gpsdata.set &= | ||
219 | ~(LATLON_SET|MODE_SET|STATUS_SET); | ||
220 | |||
221 | gps_unpack(str, &appdata->gps_state->gpsdata); | ||
222 | g_mutex_unlock(appdata->gps_state->mutex); | ||
223 | } | ||
224 | } | ||
225 | } | ||
226 | } | ||
227 | } else { | ||
228 | if(connected) { | ||
229 | printf("stopping GPS connection due to user request\n"); | ||
230 | gnome_vfs_inet_connection_destroy(appdata->gps_state->iconn, NULL); | ||
231 | |||
232 | harbaum | 112 | #ifdef ENABLE_GPSBT |
233 | harbaum | 1 | gpsbt_stop(&appdata->gps_state->context); |
234 | #endif | ||
235 | connected = FALSE; | ||
236 | } else | ||
237 | sleep(1); | ||
238 | } | ||
239 | } | ||
240 | |||
241 | printf("GPS thread ended???\n"); | ||
242 | return NULL; | ||
243 | } | ||
244 | |||
245 | void gps_init(appdata_t *appdata) { | ||
246 | appdata->gps_state = g_new0(gps_state_t, 1); | ||
247 | |||
248 | /* start a new thread to listen to gpsd */ | ||
249 | appdata->gps_state->mutex = g_mutex_new(); | ||
250 | appdata->gps_state->thread_p = | ||
251 | g_thread_create(gps_thread, appdata, FALSE, NULL); | ||
252 | } | ||
253 | |||
254 | void gps_release(appdata_t *appdata) { | ||
255 | harbaum | 112 | #ifdef ENABLE_GPSBT |
256 | harbaum | 1 | gpsbt_stop(&appdata->gps_state->context); |
257 | #endif | ||
258 | g_free(appdata->gps_state); | ||
259 | } |