cygwin /dev/ttyS2: Device or resource busy


 
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Old 08-21-2009
cygwin /dev/ttyS2: Device or resource busy

Ciao a tutti!!!
il mio problema questo: sto cercando di inviare dei comandi AT da PC a cellulare utilizzando il bluetooth e cygwin e vorrei visualizzare le risposte nella shell bash. Per farlo apro due terminali utilizzando le seguente istruzioni:

xterm &

Sul primo scrivo

cat /dev/ttyS2

in quanto il dispositivo collegato alla com3 e questo mi dovrebbe permettere di visualizzare a video i dati che entrano nella porta.
Il secondo terminale invece mi consente di inviare le istruzioni con il comandi AT, ad esempio:

echo "AT">/dev/ttyS2


L'errore che mi si presenta a questo punto per il seguente:

/dev/ttyS2: Device or resource busy

Qualcuno sa come potrei risolvere questo problema??AIUTOOOOOO Smilie
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BLUEPROXIMITY(1)														  BLUEPROXIMITY(1)

NAME
blueproximity - locks/unlocks your desktop tracking a bluetooth device SYNOPSIS
blueproximity DESCRIPTION
blueproximity helps you adding a little more security to your desktop. It does so by detecting one of your bluetooth devices, most likely your mobile phone, and keeping track of its distance. If you move furter than a certain distance from your computer for longer than a given time, it automatically locks your desktop (or starts an arbitrary shell command). The "distance" must be specified as a measure of blue- tooth signal strength rather than in meters, but BlueProximity's setup procedure helps with this by showing you an indicator of current signal strength. Once away, if you return nearer than a given level for a set time your computer unlocks magically without any interaction (or starts any other shell command you want). Have a look at the package documentation in your distribution's doc directory, likely /usr/share/doc/blueproximity, to read the complete html manual or visit the website http://blueproximity.sourceforge.net . OPTIONS
blueproximity doesn't support any command-line parameter. FILES
~/.blueproximity/*.conf Config files for each profile. SEE ALSO
gnome-screensaver-command(1). AUTHOR
blueproximity was written by Lars Friedrichs <larsfriedrichs@gmx.de>. This manual page was written by Francesco Namuri <francesco@namuri.it> and Lars Friedrichs for the Debian project and Ubuntu (but may be used by others). Lars Friedrichs February 06, 2008 BLUEPROXIMITY(1)