Re: Learning Usb programming in Linux from user space

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On Fri, Nov 19, 2010 at 03:23:16PM +0530, nidhi mittal hada wrote:
Oh.. i understood ...
Thanks ...i am realising my silly question ...

Please CMIIW ...

As For pendrive with a filesystem on it ..and mounted .....its just
like any other path on my system
we can access it and create file read/write in file using normal C
file operations.

Then my doubt is ...where do we need to use libusb ?

Is it when  ..we dont have pendrive but any other device like camera etc ..
where reading from it is not like reading from a file on filesystem
..and we need to interact with linux driver for camera .....?

you will use libusb (generally) when there isn't a driver fo that
device. If there's a driver, there's also some abstraction on top and
you won't talk to the device via USB transfers.

--
balbi
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