ok, thats fine. Thank you for your answer. The main point of a school
project is communication with real system, which is plugged to pc via USB
cable. And the client can this system regulate. So there will be enough to
send and give this kind of commands.
2010/10/10 Xiaofan Chen <xiaof...@gmail.com>
> On Sat, Oct 9, 2010 at 10:23 PM, Ladislav Szolik
> <szolik.ladis...@gmail.com> wrote:
> > Hy all, firstly sorry for my english.
> > I have a school project which deal with the communication via USB. My
> first
> > issue is realize a file transfer to usb storage with python. For USB
> > communication I choosed PyUSB, I work on Ubunty 10.04. I studied this
> > tutorial : http://pyusb.sourceforge.net/docs/1.0/tutorial.html and
> > spec. http://www.beyondlogic.org/usbnutshell/usb6.shtml. But the whole
> thing
> > with the communication is not clear for me.
> > I made a program, which recognize my usb mass storage. So I get IdVendor
> and
> > ProductId.
> > Question: how can I write a file to storage instead of string?
>
> Answer: forget about this. This is better not to do with libusb/pyusb but
> rather the file system APIs. The file system is rather complicated
> and the OS has already done the abstraction for you. libusb/pyusb
> are low level libraries. So you have to re-implement the complex
> OS file system related things on top of pyusb/libusb. I doubt this
> can be done in a reasonable time frame of a student project.
>
>
> --
> Xiaofan
>
>
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