3.1-rc4: LinkUSBi - digitemp/sensors not working : Error 10: ReadCOM Failed

From: Justin Piszcz
Date: Sun Sep 18 2011 - 13:34:58 EST


Hi,

I have two LinkUSBi wireless temperature sensors (masters) and both work
fine in Windows 7, I got them both to work in Linux once but I did not
record how I did it-- does anyone know why the following happens?

You are only supposed to use digitemp_ds9097u but including all just
incase someone mentions trying the other two :)

--

Others:
http://tech.akom.net/archives/60-Fixing-digitemp-with-LinkUSB-on-kernels-after-2.6.32-24.html

(Also tried his patch)

# ./digitemp_DS9097U -s /dev/ttyUSB0 -w
DigiTemp v3.5.0 Copyright 1996-2007 by Brian C. Lane
GNU Public License v2.0 - http://www.digitemp.com
Error 5: DS2480B Adapter Not Detected
Error 10: Read COM Failed
Error 10: Read COM Failed
Error 10: Read COM Failed
Error 10: Read COM Failed
Error 10: Read COM Failed
Error 10: Read COM Failed
Error 10: Read COM Failed
Error 10: Read COM Failed
Error 10: Read COM Failed

More reports:
https://groups.google.com/forum/#!msg/digitemp/L3weoRnJqvA/IhadSexe0pkJ

--

./digitemp_DS2490 -a -w/dev/ttyUSB1
DigiTemp v3.5.0 Copyright 1996-2007 by Brian C. Lane
GNU Public License v2.0 - http://www.digitemp.com
USB ERROR: owAcquire called with invalid port string

./digitemp_DS9097 -a -w/dev/ttyUSB1
DigiTemp v3.5.0 Copyright 1996-2007 by Brian C. Lane
GNU Public License v2.0 - http://www.digitemp.com
./digitemp_DS9097U -a -w/dev/ttyUSB1
DigiTemp v3.5.0 Copyright 1996-2007 by Brian C. Lane
GNU Public License v2.0 - http://www.digitemp.com
Error 5: DS2480B Adapter Not Detected
Error 10: Read COM Failed
Error 10: Read COM Failed
Error 10: Read COM Failed
Error 10: Read COM Failed
Error 10: Read COM Failed
Error 10: Read COM Failed
Error 10: Read COM Failed
Error 10: Read COM Failed
Error 10: Read COM Failed

--

./digitemp_DS2490 -a -w -sUSB
DigiTemp v3.5.0 Copyright 1996-2007 by Brian C. Lane
GNU Public License v2.0 - http://www.digitemp.com
USB ERROR: Attempted to select invalid port number

./digitemp_DS9097 -a -w -sUSB
DigiTemp v3.5.0 Copyright 1996-2007 by Brian C. Lane
GNU Public License v2.0 - http://www.digitemp.com
Error, serial port 'USB' does not exists!
./digitemp_DS9097U -a -w -sUSB
DigiTemp v3.5.0 Copyright 1996-2007 by Brian C. Lane
GNU Public License v2.0 - http://www.digitemp.com
Error, serial port 'USB' does not exists!

--

# digitemp_DS2490 -s /dev/ttyUSB0 -i
DigiTemp v3.5.0 Copyright 1996-2007 by Brian C. Lane
GNU Public License v2.0 - http://www.digitemp.com
USB ERROR: owAcquire called with invalid port string

--

Any variation/etc fails.

--


Justin.


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