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To: python-list@python.org
From: Dennis Lee Bieber <wlfraed@ix.netcom.com>
Subject: Re: How to set 250000 baud rate in pyserial ?
Date: Thu, 25 Oct 2012 14:11:10 -0400
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On Thu, 25 Oct 2012 04:09:56 -0700 (PDT), kurabas@gmail.com declaimed
the following in gmane.comp.python.general:

> I use Arduino 1280 and Arduino 2560 under Fedora 15. 
> 1280 creates ttyUSB0 port  and can be set at 2500000 successfully.
> 2560 creates ttyACM0 port and can be only set at speeds from list (no 250000) in pyserial. How to set 250000 to ttyACM0 port?? Need I patch kernel or python?

	You don't say what error you are receiving but looking at the source
(serialposix.py) implies that it accepts nearly anything on Linux, and
relies on the OS returning a success/failure if the value is allowed or
not. 

	xxxBSD, SunOS, HPUX, IRIX, and CYGWIN systems don't allow "special"
baudrates at all.

	.NET, JVM, and Windows don't seem to have explicit call outs for bad
rates -- just a generic port configured OK test.
-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
        wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/