Hi all i am learning how to communicate to usb interface in linux from user sspace in C I have read usb in nutshell and greg K H article in linux journal . I am working on simple data acquisitioon system .. which has to read/store data on usb ... I read from Greg's article that i need to use libusb for this purpose . Now i am stuck at usb_control_msg() and parameters to be passed in it . as i am not able to understand how to decide what should be value of parameters for normal pendrive with me .... Please guide .. any good link document or example will be really helpful. thanks -- Thanks & Regards Nidhi Mittal Hada Scientific officer D Computer Division Bhabha Atomic Research Center Mumbai http://nidhi-searchingmyself.blogspot.com/ -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html