Serial & reset of the device

Tim Roberts timr at probo.com
Fri Jul 8 09:45:22 CEST 2011


yorick <yorick.brunet at gmail.com> wrote:
>
>I'm trying to access a hardware board of my company through a serial
>connection using a Python script and the pyserial module.
>
>I use Python 2.7.1 with Ubuntu 11.04 (pyserial is the package python-
>serial with version 2.5.2, http://pyserial.sourceforge.net/pyserial_api.html).
>
>The board to which I'm trying to connect works correctly with serial
>as some other guys did some TCL scripts to manage it.
>My problem is that every time I open a new connection, the device is
>reset. I'd like to not have the device reset.

I'm not sure what that means.  The RS-232 standard does not have the
concept of "reset".  What is it that triggers a device reset?
-- 
Tim Roberts, timr at probo.com
Providenza & Boekelheide, Inc.



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