Hi, See the GET_DATA_RATES CCID specific request in the spec. [1].
*5.3.3 GET_DATA_RATES* > This requests the CCID to report a list of selectable data rates which the > CCID is capable of supporting. The response is an array of double-words. The > data rates are reported in bps encoded in an integer value. > A CCID with bNumDataRatesSupported equal to 00h does not have to support > this request. > > wLength = bNumDataRatesSupported * sizeof(double word). > > > +--------------------------------------------------------------------------------------------- > |bmRequestType | bRequest | wValue | wIndex | wLength | > Data | > > +--------------+----------------+--------+-----------+----------------+----------------------+ > |10100001B | GET_DATA_RATES | 0000h | Interface | length of data | > array of double words| > > +--------------+----------------+--------+-----------+----------------+----------------------+ > Is this what you are looking for? Kindest regards, Jonas [1]: http://www.usb.org/developers/devclass_docs/DWG_Smart-Card_CCID_Rev110.pdf On Mon, Sep 27, 2010 at 9:55 AM, jian jiao <[email protected]> wrote: > Dear all, > I want to know the usb ccid's "Data Transfer Rate"? Where could I get > it? > Best Wishes! > Jianjiao > > _______________________________________________ > Muscle mailing list > [email protected] > http://lists.drizzle.com/mailman/listinfo/muscle > >
_______________________________________________ Muscle mailing list [email protected] http://lists.drizzle.com/mailman/listinfo/muscle
