Great, thanks! Since I'm doing bare-metal programmign without any operating system it is not a big deal to reconfigure the pin MUX and use it as GPIO. LCD is not needed in my case so it is not a problem when this functionality got lost.
On Mon, Dec 9, 2013 at 9:27 PM, Gerald Coley <[email protected]> wrote: > It is GPIO2_8. Not sure how Linux handles this these days, but this would be > the 72nd GPIO pin > > Gerald > > > On Mon, Dec 9, 2013 at 1:16 PM, Satz Klauer <[email protected]> > wrote: >> >> I'm running a bare-metal application and do not use HDMI/LCD pin. >> But...is my interpretation correct that GPIO0[22] is the pin for that >> button? I'm really not sure at the moment... >> >> On Mon, Dec 9, 2013 at 2:49 PM, Gerald Coley <[email protected]> >> wrote: >> > That pin is one of the LCD pins. GPIO pin is not available because the >> > LCD >> > pin is connected to the physical pin instead. You will need to disable >> > HDMi >> > in order to access that pin as a GPIO pin. >> > >> > The schematic is correct. >> > >> > Gerald >> > >> > >> > On Mon, Dec 9, 2013 at 5:45 AM, Satz Klauer <[email protected]> >> > wrote: >> >> >> >> @Gerald: my first assumption that the boot-switch is connected to >> >> GPIO0[22] does not seem to be correct, I can't read this input from my >> >> software. So...is it connected to some other GPIO or do I need to >> >> search for a bug in my software? >> >> >> >> >> >> On Sat, Dec 7, 2013 at 8:48 PM, Gerald Coley <[email protected]> >> >> wrote: >> >> > Power switch is connected to the PMIC. It generates and interrupt to >> >> > the >> >> > processor. So it can be detected by SW. >> >> > >> >> > Gerald >> >> > >> >> > >> >> > On Sat, Dec 7, 2013 at 6:18 AM, Satz Klauer >> >> > <[email protected]> >> >> > wrote: >> >> >> >> >> >> Hi, >> >> >> >> >> >> when I'm not wrong the boot-switch of the BBB is connected to >> >> >> GPIO0[22] >> >> >> so >> >> >> that it could be checked out of software using this input. Reset is >> >> >> connected to the reset line...and the power switch? I could not find >> >> >> it, so >> >> >> my question: can it be checked via software too? >> >> >> >> >> >> Thanks! >> >> >> >> >> >> -- >> >> >> 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 a topic in >> >> > the >> >> > Google Groups "BeagleBoard" group. >> >> > To unsubscribe from this topic, visit >> >> > >> >> > https://groups.google.com/d/topic/beagleboard/SlMJX-plhUY/unsubscribe. >> >> > To unsubscribe from this group and all its topics, 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. >> > >> > >> > -- >> > For more options, visit http://beagleboard.org/discuss >> > --- >> > You received this message because you are subscribed to a topic in the >> > Google Groups "BeagleBoard" group. >> > To unsubscribe from this topic, visit >> > https://groups.google.com/d/topic/beagleboard/SlMJX-plhUY/unsubscribe. >> > To unsubscribe from this group and all its topics, 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. > > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to a topic in the > Google Groups "BeagleBoard" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/beagleboard/SlMJX-plhUY/unsubscribe. > To unsubscribe from this group and all its topics, 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.
