Ok Thanks guys, Identified and fixed the effected pin and now getting consistent boots.
Cheers, On Monday, May 2, 2016 at 2:33:54 PM UTC-7, CEinTX wrote: > > I have seen this too. > It is as Gerald says. Your cape is loading one or more of the boot pins. > I did a cape - even though all the connections were high impedance inputs, > it was still enough to twitch the boot pins. Anyway, I ended up adjusting > a couple > of the pullup resistors to adjust for it on the pins I was using - > changed from 100k to > 33k. Only had to do this for the pullups - so apparently stealing even a > little from the > 33uA max source was enough to impact the boot read of the pins. > Hope that helps. > > GL > Matt > > On Monday, May 2, 2016 at 3:43:34 PM UTC-5, Matt99eo wrote: >> >> Working with a BBB that has a custom hardware cape on it. >> >> Sometimes I get an unsuccessful boot out of it where when connected to >> the serial debug part I see the letter C printed indefinitely. >> >> I'd say 90% of the boot attempts work (serial debug looks normal) and 10% >> I get the infinite C printout and no successful boot. >> >> >> Any ideas? >> > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/a5c4e0bb-cda3-42cb-9ef7-37944b8a330a%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
