[libhid-discuss] Adesso Bar-code scanner

Ian Thompson ian.thompson at pgs.com
Thu Jan 8 17:31:26 UTC 2009


All

I have just discovered Python-hid and am trying to use it to gather data from an Adesso bar-code reader.
Under Linux the device works when it is the only keyboard input device in the system but not when there is another
keyboard. I'm not running X, so it is not an X setup problem.

The reader has a vendor_id = 0x0000 and a product_id = 0x0001.
When running  "test_libhid.py" I get a number of errors.
It appears that the vendor_id = 0x0000 is used as a MATCH_ANY vendor_id in the library, which is a problem when using
this device. Apparently there are a growing number of devices that have a vendor_id = 0x0000. Should the MATCH_ANY
define be changed to some other value, say 0xFFFF?

regards

Ian Thompson







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