From: Jon K. <jo...@65...> - 2006-05-09 06:16:57
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I kept playing around with it today and eventually figured out that coldstarts on the gps can take anywhere from 15-45 minutes to get a fix, but warm starts get a fix almost instantly. I can also reboot or turn the gumstix off for a very short amount of time and then back on, and it will to get a fix almost instantly. I'm assuming this is the battery issue mentioned in earlier threads which is fine. I guess I just wasn't patient enough...so all is working now, thanks for replying Craig. -Jon Craig Hughes wrote: > This seems a little odd: > > May 8 01:56:58 gumstix user.notice gpsd[292]: gpsd: <= GPS: > $GPGSV,4,1,13,21,,,34,26,,,29,03,,,32,07,,,34*77^M > May 8 01:56:58 gumstix user.notice gpsd[292]: gpsd: Partial satellite > data (1 of 4). > May 8 01:56:58 gumstix user.notice gpsd[292]: gpsd: <= GPS: > $GPGSV,4,2,13,08,,,30,10,,,34,30,,,36,01,,,29*7C^M > May 8 01:56:58 gumstix user.notice gpsd[292]: gpsd: Partial satellite > data (2 of 4). > May 8 01:56:58 gumstix user.notice gpsd[292]: gpsd: <= GPS: > $GPGSV,4,3,13,27,,,34,04,,,35,25,,,34,31,,,36*7B^M > May 8 01:56:58 gumstix user.notice gpsd[292]: gpsd: Partial satellite > data (3 of 4). > May 8 01:56:59 gumstix user.notice gpsd[292]: gpsd: <= GPS: > $GPGSV,4,4,13,28,,,31*73^M > May 8 01:56:59 gumstix user.err gpsd[292]: gpsd: internal error - too > many satellites! > May 8 01:56:59 gumstix user.err gpsd[292]: gpsd: GPGSV field 3 value > of 13 != actual count 0 > May 8 01:56:59 gumstix user.notice gpsd[292]: gpsd: Satellite data no > good. > > The ublox is saying "13 satellites in view". It then lists off > id,elev,azimuth,c/no for each one (elev and azimuth are all blank), > and gpsd is apparently only expecting 0 -- is gpsd maxing out at 12 or > something? Earlier in the log, when there were only 11 in view, gpsd > seemed OK with that. > > C > > On May 7, 2006, at 7:10 PM, Jon Keller wrote: > >> I've made these changes to my gpstix as well and I am assuming that >> it has all worked since I now see 3.2ish volts off of the sma >> connector. But I'm still not getting a fix. It seems like its working >> more than it was before since the gps is now seeing satellites, but >> I've left it with a good open view of the sky for more than 30 >> minutes and still no fix, 2 other gps's get a fix in the same area >> just fine. >> >> Debug info can be found at http://defy.net/gpsd.txt >> >> Does anyone have any idea what else might be wrong? Thanks >> >> >> -Jon Keller >> >> >> >> James Coxon wrote: >>> so here is what i did, I cut the trace from 19 to GND rather bluntly >>> but its quite a small space so you need a sharp knife. Then instead >>> of trying to solder a resistor to two adjacent pins i actually >>> soldered it from VCC from NSSP to 19 plug the resistor in and it >>> worked. Once i get gpsd working i'll take some pictures and update >>> my site if you still need guidance. James >>> >>> On May 5 2006, John G. Cole wrote: >>> >>>> James Coxon wrote: >>>> >>>>> Hey all, Thanks for all the help recently - I embarked on enabling >>>>> the active antenna so i disconnected V_ANT from GND and then added >>>>> a voltage with a 10R resistor in the middle. >>>> >>>> James, pardon the dumb question, but I'm more of a software guy. >>>> Are you saying that you cut the trace from Pin 19 to GND, then >>>> soldered a 10R resistor between Pin 18 and Pin 19? >>>> >>>> John >>>> >>>> >>>> >>>> ------------------------------------------------------- Using >>>> Tomcat but need to do more? Need to support web services, security? >>>> Get stuff done quickly with pre-integrated technology to make your >>>> job easier Download IBM WebSphere Application Server v.1.0.1 based >>>> on Apache Geronimo >>>> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 >>>> _______________________________________________ gumstix-users >>>> mailing list gum...@li... >>>> https://lists.sourceforge.net/lists/listinfo/gumstix-users >>> >>> >>> >>> ------------------------------------------------------- >>> Using Tomcat but need to do more? Need to support web services, >>> security? >>> Get stuff done quickly with pre-integrated technology to make your >>> job easier >>> Download IBM WebSphere Application Server v.1.0.1 based on Apache >>> Geronimo >>> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 >>> >>> _______________________________________________ >>> gumstix-users mailing list >>> gum...@li... >>> https://lists.sourceforge.net/lists/listinfo/gumstix-users >> >> >> >> ------------------------------------------------------- >> Using Tomcat but need to do more? Need to support web services, >> security? >> Get stuff done quickly with pre-integrated technology to make your >> job easier >> Download IBM WebSphere Application Server v.1.0.1 based on Apache >> Geronimo >> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 >> _______________________________________________ >> gumstix-users mailing list >> gum...@li... >> https://lists.sourceforge.net/lists/listinfo/gumstix-users > > > > ------------------------------------------------------- > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with pre-integrated technology to make your job > easier > Download IBM WebSphere Application Server v.1.0.1 based on Apache > Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users |