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Date:      Sun, 1 Oct 2017 12:20:09 +0200
From:      Polytropon <freebsd@edvax.de>
To:        Roland Smith <rsmith@xs4all.nl>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: one character lag with pyboard over usb serial
Message-ID:  <20171001122009.3fbfbf95.freebsd@edvax.de>
In-Reply-To: <20171001093541.GA81952@slackbox.erewhon.home>
References:  <20171001093541.GA81952@slackbox.erewhon.home>

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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...


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



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