You could possibly look for the device in
/proc/bus/usb/devices
Babu, Narendra (GE Healthcare) wrote:
> Hi All,
>
>
> I am a application developer on Linux.
> Currently I am working on an USB application where I need to check
> whether the device is connected or not.
>
>
> Description:
>
> Linux kernel version 2.4
> Whenever a USB device is getting connected, hotplug will recognize this
> and mount it on to a mount point "/mnt/usb"
> Application will know only "/mnt/usb" as the device.
> Suddenly if the user unplug the device without unmounting the device ,
> the mount point will still remain in the system.
> Later whenever application access this mount point (through statvfs()
> call) , the operation will be success even though the device is not
> connected.
> Please let me know is there any other way of verifying the USB device
> existence by using the mount point ("/mnt/usb") as my application will
> have only this info.
>
> Thanks In Advance,
> Narendra Babu H.C.
>
>
>
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