Read data from Serial Command

Grant Edwards grante at visi.com
Fri Oct 10 23:17:35 CEST 2008


On 2008-10-10, brianrpsgt1 <brianlong at cox.net> wrote:
> I am new to scripting.  I am trying to read the settings from a serial
> device using Python.  I have been able to successfully connect to the
> device and change baud rate settings, ect... with PySerial.  I am
> trying to send a command to the serial device and capture the returned
> info, however, it is not working.

It works fine for me.

I'm afraid you're going to have to be a bit more detailed than
"it is not working".  Are we supposed to guess what it's doing
and how that differs from what you want it to do?

Do you have the serial cable plugged in?

Is the device to which you're talking powered on?

> Code is below:
>
> import serial
> import time
>
> s = serial.Serial(port=1, timeout=None, baudrate=9600)
> print s
> time.sleep(5)
> print "Enter CFG"
> s.write('CFG')
> print "Change baud"
> s.baudrate=115200
> print s
> time.sleep(5)
> print "New line"
> s.write('\n')
>
>
> time.sleep(2)
> print "Show Encryption Setting"
> nw = s.write('sh nw enc')
>
> time.sleep(1)
>
> print nw
> s.close()

-- 
Grant Edwards                   grante             Yow! Well, I'm INVISIBLE
                                  at               AGAIN ... I might as well
                               visi.com            pay a visit to the LADIES
                                                   ROOM ...



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