void *
display_run(void *v)
{
struct display_run_args *d_args = v;
ending_t ending = d_args->ending;
controller_state_t cs = d_args->cs;
(void)cs;
graphics_init();
while (1) {
if (ending_get(ending)) {
break;
}
SDL_Delay(100);
draw_display();
print_info("display looping");
}
graphics_deinit();
print_info("display exiting");
return NULL;
}
static void refresh_display(void)
{
struct xy pos;
int i;
do_refresh = 0;
draw_clear();
draw_activity(1);
switch (visual) {
case VIEW_SATS:
draw_sats(&gps_state);
break;
case VIEW_MAP:
/* show map scale */
if (show_scale)
draw_scale();
/* show gps coordinates */
if (show_gpscoords)
draw_gpscoords();
vfdlib_setClipArea(0, 0, VFD_WIDTH - VFD_HEIGHT, VFD_HEIGHT);
/* draw tracklog */
if (show_track)
track_draw();
/* draw route we're following */
route_draw(&gps_coord.xy);
/* highlight waypoints */
i = 0;
while (route_getwp(i, &pos, NULL, NULL)) {
draw_point(&pos, VFDSHADE_BRIGHT);
if (i++ != nextwp) continue;
/* add focus to next waypoint */
draw_mark(&pos, -1, VFDSHADE_MEDIUM);
}
/* draw our own location */
draw_mark(&gps_coord.xy, gps_bearing, VFDSHADE_BRIGHT);
vfdlib_setClipArea(0, 0, VFD_WIDTH, VFD_HEIGHT);
draw_info();
break;
case VIEW_ROUTE:
draw_wpstext();
break;
}
if (load_route)
routes_list();
else if (menu)
draw_msg(menu_msg[menu_pos]);
else if (lastmenu) {
char *msg=NULL;
lastmenu--;
switch(menu_pos) {
case 2: switch (show_popups) {
case 0: msg = "No Popups"; break;
case 1: msg = "Popups"; break;
case 2: msg = "Permanent Popups"; break;
}
break;
case 3: msg = (show_metric?"Meters":"Miles"); break;
case 4: msg = (show_gpscoords?"Coordinates":"No Coordinates"); break;
case 5: msg = (show_time?"Time":"Distance"); break;
case 6: msg = (show_track?"Track":"No Track"); break;
case 7: switch (coord_format) {
case 0: msg = "DDD Coords"; break;
case 1: msg = "DMM Coords"; break;
case 2: msg = "DMS Coords"; break;
}
break;
}
if (msg)
draw_msg(msg);
}
draw_display();
#ifndef __arm__
{
extern int stats_toTM;
extern int stats_distance;
extern int stats_bearing;
fprintf(stderr, "conv stats: GPS>TM %d DIST %d HDG %d\n",
stats_toTM, stats_distance, stats_bearing);
stats_toTM = stats_distance = stats_bearing = 0;
}
#endif
}
int main(int argc, char **argv)
{
const char *menu[] = { "GPSapp", NULL };
struct timeval timeout;
int rc = 0;
if (empeg_init() == -1)
exit(0);
/* set a default protocol, now we only complain when the user specifies an
* unknown protocol in config.ini */
serial_protocol("NMEA");
/* For backward compatibility as the user can specify the protocol in
* config.ini */
if (argc > 1)
serial_protocol(argv[1]);
init_gpsapp();
printf("GPS app started\n");
vfdlib_registerFont("empeg/lib/fonts/small.bf", 0);
vfdlib_registerFont("empeg/lib/fonts/large.bf", 1);
h0 = vfdlib_getTextHeight(0);
route_init();
while (rc != -1) {
if (empeg_waitmenu(menu) == -1)
break;
serial_open();
draw_msg("Waiting for data from GPS receiver");
draw_display();
while(1) {
rc = handle_input();
if (rc) break;
if (do_refresh)
refresh_display();
/* pause a bit to avoid burning CPU cycles */
timeout.tv_sec = 0;
timeout.tv_usec = 100000;
select(0, NULL, NULL, NULL, &timeout);
}
#ifndef __arm__
break;
#endif
}
serial_close();
route_init();
draw_msg("GPS app dying...");
draw_display();
sleep(5);
vfdlib_unregisterAllFonts();
empeg_free();
exit(0);
}
