Hi Alberto. I would like to use something like that, but I'm a newbie in Linux and kernel. Could you send me your souces and some directions in order to implement these features in my application? Thanks a lot!
José Henrique Em quarta-feira, 13 de maio de 2015 09:10:17 UTC-3, Alberto Potenza escreveu: > > Update: > when I set the TPS65217 to go in SLEEP mode, by setting bit 7 of reg 0x0A, > after the poweroff command the TPS65217 actually goes in sleep mode and > does not start again. > Summarizing: > a) poweroff command + ethernet cable -> there is a real poweroff and the > system goes off > b) poweroff command but no ethernet cable -> the system switches off and > the switches on again > c) poweroff command, no ethernet cable + TPS65217 set in sleep mode -> the > ARM switches of and the TPS65217 goes in SLEEP mode. > > It looks like, when the TPS65217 goes off (and ethernet is not plugged), > it receives a wake-up signal and starts again but if it goes in SLEEP mode, > it does not receive it. > I am really confused about this behaviour. > > Hoping someone already saw that and there is a solution. > > Cheers. > > Alberto > > Il giorno lunedì 11 maggio 2015 18:50:40 UTC+2, Alberto Potenza ha scritto: >> >> >> Dear all, >> I have a problem quite similar to this one: >> https://groups.google.com/forum/#!topic/beagleboard/qw5zlS4F4p4 >> >> This is my setup: >> a) a bleaglebone black with 5V on pin VDD_5V >> b) a C program doing a shutdown when the power button is pressed. >> I have the C program in my rc.local in such a way to have it running in >> background. >> >> If I have no ethernet cable connected and I try to push the power button, >> the beaglebone black goes down, the power led switches off but after 1 >> second the power led goes blue again and the beaglebone black restarts (1 >> second is often mentioned in the TPS65217 datasheet). >> >> If I have the ethernet cable connected and I try to push the power >> button, the beaglebone black goes down, the power led switches off and it >> does not start again. >> >> If I try to power the bleaglebone black by using the jack (and not using >> the VDD_5V pins), the beaglebone black does not start again (with or >> without ethernet cable). >> >> >> My beaglebone black should be a Rev.B. >> >> Any idea about this strange behaviour? >> >> Cheers. >> >> Alberto >> > -- 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]. For more options, visit https://groups.google.com/d/optout.
