Problem solved, thanks to the help of Ralf in that thread<https://groups.google.com/forum/embed/?place=forum/beagleboard&showsearch=true&showpopout=true&showtabs=true&hideforumtitle=true&parenturl=http%3A%2F%2Fbeagleboard.org%2FCommunity%2FForums#!category-topic/beagleboard/beaglebone-black/LyVMQk4EyvE>
Thank you again Guy. On Saturday, February 15, 2014 2:34:01 PM UTC+2, matt wrote: > > Hi Guy, > Thanks a lot again! :) > > It's great information! > > I wrote to you in another > thread<https://groups.google.com/forum/embed/?place=forum/beagleboard&showsearch=true&showpopout=true&showtabs=true&hideforumtitle=true&parenturl=http%3A%2F%2Fbeagleboard.org%2FCommunity%2FForums#!category-topic/beagleboard/beaglebone-black/LyVMQk4EyvE> > that > even without compiling the DT Overlay file that should have set the P9.15 > to mode 7, I managed to turn on/off and output of P9.15 as if it was GPIO. > > On Saturday, February 15, 2014 12:36:30 AM UTC+2, Guy Grotke wrote: >> >> Derek Molloy has published two very nice tables on github, with >> everything you need. Just do a web search for BeagleboneBlackP9HeaderTable >> or ...P8... and you will find them. >> >> From that table, P9.17 = PIN # 87, addr = 0x44E1095C, offset = 0x15C, in >> mode7 = gpio[5] >> >> cat /sys/kernel/debug/pinctrl/44e10800.pinmux/pins to see all your >> current settings >> >> Don’t forget the 4 ma current limit for GPIOs! Too low for even an LED. >> >> *From:* matt >> *Sent:* Friday, February 14, 2014 10:40 AM >> *To:* [email protected] >> *Subject:* [beagleboard] How do you tell the Offset addresses of all the >> I/O pins? >> >> Hi, >> >> I got a BBB. >> >> I'm building a DTO (device tree overlay) in order to set GPIO9_16 (P9-15) >> to Mode7 (GPIO Mode). >> >> Where can I find the offset address of all the I/O pins? (in P8 and P9 >> expansion headers) >> >> Is it stored on the BBB itself at some file? >> >> Thank you. >> -- >> 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/groups/opt_out. >> > -- 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/groups/opt_out.
