Mike <bellyac...@gmail.com> wrote: > > The devices it creates are called /dev/ttyO1, /dev/ttyO2, etc. with > > the letter O. There's not a mention anywhere that it's a letter > > rather than a digit and given the context it's second nature to assume > > it's a zero. Still I did spot that eventually. > > > Yes, the O and not zero threw me for a loop when I was first setting up > serial on the BBB. I have no clue where/why that choice was made. > > I haven't looked into the Adafruit library, my hunch here is that to use > uart5 you will have to disable HDMI as the pins used for that uart are > in the HDMI group. As noted above uart3 is TX only, and again those > pins fall within the HDMI group. > I only need TX for the application I have in mind at the moment so UART3 seemed the obvious choice initially.
> For what it's worth I referenced that info from here. > > https://github.com/derekmolloy/boneDeviceTree/blob/master/docs/BeagleboneBlackP8HeaderTable.pdf > https://github.com/derekmolloy/boneDeviceTree/blob/master/docs/BeagleboneBlackP9HeaderTable.pdf > Yes, I've just got there too! :-) Information about which IO you can use 'out of the box' without problems is thin on the ground IMHO. -- Chris Green ยท -- 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.
