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Date: Fri, 26 Oct 2012 16:08:05 -0600
From: Michael Torrie <torriem@gmail.com>
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Subject: Re: How to set 250000 baud rate in pyserial ?
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On 10/26/2012 04:01 PM, kurabas@gmail.com wrote:
> Error is like cannot set special baud rate. But as I said pyserial
> set this speed without problem  for ttyUSB0 So it seems pyserial uses
> diefferent code depending of port type. I tried to simlink ln -s
> ttyACM0 ttyUSB0 but it does not work

No the difference in how baud rate is set is most likely in the driver.
 pyserial just uses standard kernel apis and ioctls to control the device.