Read BBB-SRM paragraph: 6.7 and 8.3 I drive some pins needed for the boot process
Am Freitag, 12. Juni 2015 03:06:10 UTC+2 schrieb luc.d...@gmail.com: > > hello all, > I design a cape for BBB. > this cape use a lot of of bbb gpio (28 as input - opto isolated, 24 as > output - relay). > I launch some bonescript to work with. > all works when I plug the cape after bbb has started. > but if I plug the cape before the bbb start, it does not boot : only the > power led swith on. other leds keep off. the bbb won't start. > I think it is a problem with the bonescript GPIO device tree not loaded at > boot time. > can someone confirm that ? > do I need an eeprom on my cape to configure device tree on start up ? > or I will have a chance to do that only programmatically ? > thank's > -- 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 beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
