Re: Help with HID OminKey 5427 CK USB Card Reader

I assume it causes problems for your system because the system is not
usable after a power cycle. I had similar problems with a stupid
huawei 3g dongle that would not work properly after a soft restart.

There's some file in /sys/<something>/usb/<something> that you can use
with Linux to control USB devices, that worked for me. Maybe it
similar solution is enough for you as well.

I don't have access to that box atm but it was something along the
lines of this:

http://stackoverflow.com/questions/1163824/linux-usb-turning-the-power-on-and-off
--
Martin
+372 515 6495


On Wed, Feb 5, 2014 at 2:09 PM, Jose Alf. <[email protected]> wrote:
> Hello,
> I wonder if somebody out there can help me to find a solution for the
> following problem. I am using of these devices to read HID Prox cards.  The
> reader works fine with pcsc-lite, but it must be unplugged and re-plugged to
> start working (at least in my case). In other words, the device won’t work
> on a freshly booted computer until we disconnect and connect it back to the
> USB port. This is an issue for my application, so I would like to know if
> some of you guys know a cure for this.
>
> I see the same behavior on different distributions of Linux (tested Debian
> and CentOS) and with different kernel versions (I’ve tested the stock redhat
> and debian kernels and custom compiled vanilla 3.4.75 and 3.10.12).  Of
> course I also tested with the latest pcsc-lite y ccid versions. I also
> tested using the ccid generic driver and a proprietary driver available form
> HID with the same results. I also asked for help to HID, but they've been
> unable to help me.
>
> I am attaching log PCSCD files if someone wants to take a look. The logs
> show that the device is recognized, but apparently is not initialized
> properly because when we present a card the LEDs don't show activity. When
> we unplug and replug it, and we present a card it starts showing activity
> that is recorded in the pcscd logs and any application like pcsc_scan start
> showing card events.
>
> Thanks in advance for your advice.
>
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