[Ovmsdev] sprintf / crashes

Michael Balzer dexter at expeedo.de
Mon Dec 31 05:08:31 HKT 2012


just checked in the sprintf removal work for the last remaining places. 
I had a stack crash from "GPRS?" just after my last mail, so I decided 
to do this now.

Code size went down 3%. Not that much, but nice to have.


Am 30.12.2012 15:42, schrieb Michael Balzer:
> Mark,
> could you please audit & test this?
> https://github.com/markwj/Open-Vehicle-Monitoring-System/commit/ad17c2662942536bc391cee282debbfcdd2ae2f5 
> I've reworked most of the complex sprintf() calls in the net and 
> net_msg modules now. I also added a simple crash debug & checkpoint 
> utility to be able to measure the effect and possibly narrow down 
> remaining occurrences. It seems I've gained a lot of stability, had 
> only two watchdog timeouts during the last week, no stack problems at 
> all.
> I hesitate to merge into the master because I currently have link / 
> connectivity problems, especially during driving. I introduced a GPS 
> logging to optimize my antenna positions and managed to get some 
> really nice tracks three days ago, so I don't think this is related to 
> my changes... but I'm not 100% sure. I tried different antenna 
> positions and another GSM network, but the connection keeps dropping 
> when moving the car, and GPS position updates need minutes. Could be 
> weather conditions ...or some tricky race condition bug?
> Thanks,
> Michael
> _______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.teslaclub.hk
> http://lists.teslaclub.hk/mailman/listinfo/ovmsdev

Michael Balzer * Paradestr. 8 * D-42107 Wuppertal
Fon 0202 / 272 2201 * Handy 0176 / 206 989 26

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