On Wed, Aug 30, 2023 at 09:34:31PM -0600, Brook Milligan wrote: > I am trying to communicate with uart4 on a Beaglebone Black, but cannot open > /dev/tty01; open(2) just hangs. I would greatly appreciate tips on how to > track down the issue. >
Perhaps it is hardware handshaking that is missing? Is DTR asserted? If you cannot do the hardware signalling you may need to set the line discipline on the tty to disable hardware controls. -- Brett Lymn -- Sent from my NetBSD device. "We are were wolves", "You mean werewolves?", "No we were wolves, now we are something else entirely", "Oh"
