From: Greg KH <gregkh@linuxfoundation.org>
To: Charles Harris <charles7@slingshot.co.nz>
Cc: linux-usb@vger.kernel.org
Subject: Re: USB Device ID
Date: Tue, 14 May 2024 07:48:10 +0200 [thread overview]
Message-ID: <2024051428-sweep-lark-3923@gregkh> (raw)
In-Reply-To: <befe7135-16f1-4a3f-8164-b15dd748e397@slingshot.co.nz>
On Tue, May 14, 2024 at 01:10:10PM +1200, Charles Harris wrote:
> Hi Alan and all
> Noticed conversation as below on earlier post.
>
> I would like to know if this code could be used in a similar case.
>
> Linux Mint 21.3 Using LibreCalc
>
> With USB RFID tag readers, (2 or more reader) most enter direct into open focus spreadsheet. However with no device number. Have same pid and vid.
>
> As the read from USB tag goes to the spreadsheet, can the device number eg 004 and the bus number eg 004 be appended to the data read into the spreadsheet. This would enable spreadsheet identify each reader and its location, to manipulate the tag reads by the location etc.
>
> If so, how do I go about setting up?
Not directly from the kernel, no, you need to write a userspace program
to do this somehow, sorry.
good luck!
greg k-h
prev parent reply other threads:[~2024-05-14 5:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-14 1:10 USB Device ID Charles Harris
2024-05-14 5:48 ` Greg KH [this message]
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