one character lag with pyboard over usb serial

Polytropon freebsd at
Sun Oct 1 10:20:20 UTC 2017

On Sun, 1 Oct 2017 11:35:41 +0200, Roland Smith wrote:
> I've asked around on the pyboard forum, but nobody there (using Linux or OSX)
> has seen this problem. It has been suggested that this is a FreeBSD driver
> problem.

Try to verify with the "cu" program provided natively by the OS.
In worst case, monitor the /dev/cuaU0 device file directly to
check what is really being sent in either direction. If the
lag also appears there, it really looks like a driver issue...

Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...

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