Simple USB raw data drivers or APIs

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Hello all,

I am working with a custom MPC8313 based board running
linux and want to have USB communication between my board
and a host machine.  I would like to make a few
statements and find out if my assumptions are correct.

1.  I need to write a gadget driver for my board.
2.  I need to write a device driver for my host
machine.
3.  I need to write application programs that open
each (respective) driver in order to define the
communication between each device.

Basically, what I want to be able to do is access data from
my board and send it back to my host machine via USB, in a
similar fashion as send() recv() in socket
programming.  Does there already exist any drivers that
implement a generic raw data transfer capability that can be
interfaced in this manner?

I do already know about the ethernet over usb drivers and
have tried them in the past.  I want something more
direct and with less overhead.

Thanks for any advice and help in this matter.

Ron Madrid
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