PC to Xbox bytestreamer thingy.

Using Arduino Project Guidance
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Ultimately, I'm trying to build my own Steel Battalion controller (look it up!) but baby steps. Baby steps.

Right now, I've run into a snag. My first goal is to write a program that emulates the Steel Battalion controller (I have the info I need for this!), and send the bytestream via usb to the Xbox controller port. Doesn't work, obviously, because you can't use a usb host as a device. So I thought that my next step should be to set up some circuitry to serve as the interim. The way it would work (I hope) would be that when I plugged a usb cable into it from my PC, the PC could see it and I could then stream data to it. The circuitry should also act as a device for the Xbox, and stream the data it gets from the PC straight to it's controller port.

Is this feasible? If it is...what am I going to need, and can someone push me in the right direction? Thanks!

P.S: This is for the original Xbox. The one with the stupid "proprietary but really not" USB ports.

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sounds like Vusb would lead you in the right direction. http://www.obdev.at/products/vusb/index.html. using their code with the right hardware, or switching to a teensyduino might get you something working. i havent played with it too much but it seems there is alot of documentation for making custom usb device identifiers

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Magnificent. I'll check back with you guys in about a month or so and let you know how things went!

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Sorry for the double post, but the guys over at the vusb forums aren't too speedy in their responses. I've been waiting all day!

I know exactly what data I want to send. I want to send 25 bytes of data (I'll have a program that changes these bytes around, just like the controller itself would). Does this help in figuring out where to go from here? Which microcontroller to use, etc etc?