[Ilugc] Access barcode scanner data using ttyUSB0
- From: girishvenkatachalam@xxxxxxxxx (Girish Venkatachalam)
- Date: Mon Sep 28 18:26:21 2009
On Mon, Sep 28, 2009 at 5:43 PM, - <vkslist@xxxxxxxxx> wrote:
Hello,
I'm trying to access barcodes scanned and saved in a scanner's flash
memory. The scanner, Opticon's OPN 2001, connects via a USB cable
(which rather niftily also charges its battery), but the interface is
actually serial rather than "native" USB. Opticon scanners seem to be
supported as of Linux kernel 2.6.29
(http://kernelnewbies.org/Linux_2_6_29) , as in the usbserial module
is loaded and prints:
I have never done what you are trying to do but I have heard numerous
times that barcode readers simply emulate a keyboard and spit out
keyboard sequences very much like a serial device on USB...
[? 196.495094] USB Serial support registered for opticon
[? 196.495135] opticon 4-1:1.0: opticon converter detected
[? 196.495529] usb 4-1: opticon converter now attached to ttyUSB0
[? 196.495557] usbcore: registered new interface driver opticon
If you have got so far then wouldn't it work?
Did you see the sources of the opticon driver?
lsusb gives:
Bus 004 Device 002: ID 065a:0009 Optoelectronics Co., Ltd
Grep for this device ID and vendor ID combo in your linux kernel tree.
How do I access the scanned data? Presumably, an application has to
use /dev/ttyUSB0 to do so. Are there generic Linux apps. which will do
so?
The driver is attached, so you would have to test using /dev/event*
interface or some such for testing.
A generic serial communication program like minicom or cu should be
able to communicate with your barcode reader.
Just point the serial port device to /dev/ttyUSB0. I am applying
logic here. Never been there, never done that...
Googling has not yielded results beyond the kernel version. As I have
only used the serial port for modems, I'm unsure how to proceed.
It is the same thing I suppose.
I have done my best. Let better hackers help you.
Best of luck.
-Girish
Sameer
This name should have been in your e-mail ID but well.
--
Gayatri Hitech
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