Developing Application software for a USB host

Hello all again,
Let me tell you in brief about this.
We are developing a USB device(having AT91SAM7) which has a control and
two Isochronous endpoints(1 for IN & 1 for OUT) and a bulk endpoint. The
device is a custom type device. It sends and receives packets on
Isochronous endpoints once enumerated. Now we are using ATM6124.sys
driver
provided by ATMEL for their Evaluation kit of AT91SAM7 and the Basic USB
6124 application exe provided by ATMEL again. That uses createfile,
writefile & readfile for data transfer.

First i dont know whether we can use that ATM6124 driver for our custom
application or not? Do we need to develop our own device driver?

Secondly i dont know how to access isochronous endpoint and how to do
data
transfer with those? & in which format & protocol data should be sent &
received?

Anybody having experience pls help.


Thanks
Faiyaz
.

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