On Mar 18, 1:20 pm, "[email protected]" <[email protected]> wrote: > Hi, > > I am working on porting gps and use NXP gps module for gps position. > It works fine, but i faced a problem that i can not report a correct > gps status data to GpsLocationProvider.java via gps_sv_status_callback > funtion. because in structure GpsSvStatus{ > /** number of SVs currently visible */ > int num_svs; > > /** Array of space vehicle info */ > GpsSvInfo sv_list[GPS_MAX_SVS]; > > /** bit mask indicating which SVs have ephemeris data */ > uint32_t ephemeris_mask; > > /** bit mask indicating which SVs have almanac data */ > uint32_t almanac_mask; > > /** > * bit mask indicating which SVs were used for > * computing the most recent position fix > */ > uint32_t used_in_fix_mask;}, i do not know what a value i should > give to > > ephemeris_mask,almanac_mask,used_in_fix_mask. > > I can get the gps data from the gps module, and bellow is my debug > info: > sending fix lat=22.5423 lon=113.946 altitude=-138.569 time=Wed Mar 18 > 07:32:17 2009 > D/GpsLocationProvider( 700): reportLocation lat: 22.54233323461825 > long: 113.94645713861372 timestamp: 1237361537 > D/GpsLocationProvider( 700): > android_location_GpsLocationProvider_wait_for_event > Satellites in view count: 14, for used: 9 > Satellites in view 0: prn: 9 , snr: 20.000000, ele:75.000000, azi: > 97.000000 , for fix: 1 > Satellites in view 1: prn: 21 , snr: 28.000000, ele:68.000000, azi: > 275.000000 , for fix: 1 > Satellites in view 2: prn: 24 , snr: 22.000000, ele:52.000000, azi: > 168.000000 , for fix: 1 > Satellites in view 3: prn: 18 , snr: 23.000000, ele:40.000000, azi: > 331.000000 , for fix: 1 > Satellites in view 4: prn: 15 , snr: 18.000000, ele:28.000000, azi: > 39.000000 , for fix: 1 > Satellites in view 5: prn: 26 , snr: 24.000000, ele:19.000000, azi: > 42.000000 , for fix: 0 > Satellites in view 6: prn: 27 , snr: 22.000000, ele:16.000000, azi: > 39.000000 , for fix: 1 > Satellites in view 7: prn: 5 , snr: 0.000000, ele:15.000000, azi: > 159.000000 , for fix: 0 > Satellites in view 8: prn: 22 , snr: 42.000000, ele:15.000000, azi: > 311.000000 , for fix: 1 > Satellites in view 9: prn: 12 , snr: 0.000000, ele:13.000000, azi: > 148.000000 , for fix: 0 > Satellites in view 10: prn: 14 , snr: 43.000000, ele:13.000000, azi: > 256.000000 , for fix: 1 > Satellites in view 11: prn: 10 , snr: 0.000000, ele:11.000000, azi: > 104.000000 , for fix: 0 > Satellites in view 12: prn: 29 , snr: 39.000000, ele:11.000000, azi: > 203.000000 , for fix: 1 > Satellites in view 13: prn: 30 , snr: 0.000000, ele:4.000000, azi: > 180.000000 , for fix: 0 > D/GpsLocationProvider( 700): > android_location_GpsLocationProvider_wait_for_event > > Can anyone tell me how to give a correct value to > ephemeris_mask,almanac_mask and used_in_fix_mask that base on the > above debug info .
Check the code for Openmoko here http://git.koolu.org/?p=freerunner/platform/hardware/gps.git;a=summary --~--~---------~--~----~------------~-------~--~----~ unsubscribe: [email protected] website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
