[prev in list] [next in list] [prev in thread] [next in thread] 

List:       ms-smartcardddk
Subject:    Re: USB keyboard SCard reader
From:       Dennis Chang <dennis () ALCORMICRO ! COM>
Date:       1998-03-28 0:12:44
[Download RAW message or body]


Klaus,

Interesting to note question raised by Qinghua regarding USB
keyboard/SmartCard integrated device. We do have the same problem as well.
What's more interesting is that WHQL actually defined a step-by-step
qualification procedure for USB SmartCard reader in SmartCard test session,
in that document, USB SmartCard is considered as a HID device in most of the
case. HidView is actually one of the test item. As far as my understanding,
there is neither definition for "SmartCard class" in USB nor "SmartCard
page" in "Hid Class".

Any comment welcome.


=======================================
Dennis Chang
Alcor Micro, Inc.
155A Moffett Park Drive, Suite 240
Sunnyvale, CA 94089, USA
Voice  : (408) 541-9700 ext. 106
Fax      : (408) 541-0378
email : dennis@alcormicro.com
website : www.alcormicro.com
=======================================
-----Original Message-----
From: Qinghua Sun <r4754c@EMAIL.SPS.MOT.COM>
To: SmartCardDDK@DISCUSS.MICROSOFT.COM <SmartCardDDK@DISCUSS.MICROSOFT.COM>
Date: Friday, March 27, 1998 2:05 PM
Subject: Re: USB keyboard SCard reader


>Hello, Klaus
>
>I'm not aware that there is a smart card reader class, did you mean
>vendor-specific class? If the reader is integrated with keyboard, the two
>devices are sharing one USB connection. Should I consider them as two
separate
>USB devices?
>
>I was thinking that a keyboard with a reader is ONE USB device with two
>interfaces. Keyboards belong to HID class and are supported by Windows, the
>reader can appear as a vendor-specific interface, the problem is how can I
make
>the keyboard and the reader work together? Since the Windows driver for
>keyboard is standard and out of my control.
>
>However, by thinking reader as some additional function added to keyboard,
the
>whole device shall have one single interface - HID interface. The reader
driver
>will be an HID minidriver. I'm still in the learning curve, hope you can
>understand my problem this time and give me some direction. Thanks.
>
>--
>Qinghua Sun (Software Engineer)
>
>Motorola Inc.
>6501 West William Cannon Drive
>Location 30, MailStop OE45
>Austin, TX 78735-8598
>
>Tel: (512)895-1636
>Fax: (512)895-7690
>
>
>
>
>
>Klaus Schutz wrote:
>
>> Qinghua,
>>
>> I'm not quite sure why you want the reader make a member of the HID
class?
>> Smart card readers should be members of the smart card reader class.
>> May be you could give me more information so I would understand your
>> 'problem' better.
>>
>> Klaus U. Schutz
>> Software Design Engineer
>> Microsoft Corporation
>>
>>         -----Original Message-----
>>         From:   Qinghua Sun [SMTP:r4754c@EMAIL.SPS.MOT.COM]
>>         Sent:   Friday, March 27, 1998 8:55 AM
>>         To:     SmartCardDDK@DISCUSS.MICROSOFT.COM
>>         Subject:        USB keyboard SCard reader
>>
>>         For SCard readers that are integrated within USB keyboards, is it
>>         appropriate to classify the reader as HID device? If yes, shall
the
>>         driver for the reader be a kernel mode client of the HID class
>> driver?
>>
>>         Best regards,
>>         --
>>         Qinghua Sun (Software Engineer)
>>
>>         Motorola Inc.
>>         6501 West William Cannon Drive
>>         Location 30, MailStop OE45
>>         Austin, TX 78735-8598
>>
>>         Tel: (512)895-1636
>>         Fax: (512)895-7690



[prev in list] [next in list] [prev in thread] [next in thread]