On Tue, Oct 29, 2024 at 04:28:14PM +0100, tomas@tuxteam.de wrote: > On Tue, Oct 29, 2024 at 11:13:28AM -0400, Stefan Monnier wrote: [...] > > The CH340 is a real USB<->serial converter, so somewhere inside the > > device is a real serial connection which speaks at a specific speed and > > the CH340 probably has to match that speed if we want to get valuable > > output, I suspect. IOW, I think it's not "just an abstraction layer". > > Hmmm. An interesting point. Yet another rabbit hole =:-o Yep, after thinking a bit and poking the interwebs for good measure, I'm convinced now that you are right. The stty sets the UART "at the other end" of the USB. So it better be right. Of course one might hope it starts up with a sensible value, but hey. Cheers -- t
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