Hi. On Thu, May 31, 2018 at 09:21:27AM -0500, Richard Owlett wrote: > I have two computers with USB ports. > I wish them to communicate as simply as mid-20th-century computers did. > Then we used RS232-C with a null modem &/or appropriate software software > at both ends. > > The underlying problem is that both ends egotistically expect to be > *MASTER*.
I did the thing in the not-so-distant past. It took two USB-RS232 converters (FDTI chipsets should work out of the box), and a conventional RS232 null modem cable. Communication was limited to 112500 bps, but I needed it for the serial console anyway. As for the software part, agetty and minicom were all that was needed. Reco
