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360-w-raw-gadget

360 controller wireless receiver raw USB gadget. (WIP)

This project aims to allow emulating multiple controllers over USB. This works by using the UDC hardware, usually found on small SOC's like a raspberry pi zero.

Initially tried this using functionfs in both python and Rust, but this only worked on *nix hosts. The reason for this is that functionfs/gadgetfs only allows for well-defined USB classes/well-formed descriptors. After the interface descriptor, e.g. Windows expects a vendor-specific descriptor, which is not supported by functionfs.

Thus, we're using raw-gadget + C here.

(First project using C, so don't judge too hard)

Originally, I made this for 1 controller at first, this would be a bit more close to the hardware. You can find that here.

Small disclaimer: This doesn't actually properly emulate the receiver, it's a bit of a cursed mix of various descriptors of both the receiver + the xbox controller. It's just to trick various drivers to pick up multiple input xbox controllers.

Functionality

For now only the input endpoints are implemented, which allows for controller input to be sent to the host.

Rumble/led feedback is on the todo list, but will be left out for now.

Building for Specific Hardware

This project supports a range of hardware configurations, as listed below. You can build the project for your specific device using the appropriate make target.

Hardware Build Target Driver Device
Raspberry Pi Zero (default target) make 20980000.usb 20980000.usb (dwc2)
Raspberry Pi Zero 2 make rpi0_2 3f980000.usb 3f980000.usb (dwc2)
Raspberry Pi 4 make rpi4 fe980000.usb fe980000.usb (dwc2)
Raspberry Pi 5 make rpi5 1000480000.usb 1000480000.usb (dwc2)
USB Armory Mk II make usb-armory-mk2 2184000.usb ci_hdrc.0
Orange Pi PC make orange-pi-pc musb-hdrc musb-hdrc.4.auto
Khadas VIM1 make khadas-vim1 c9100000.usb c9100000.usb
ThinkPad X1 Carbon Gen 6 make thinkpad-x1 dwc3-gadget dwc3.1.auto
NXP i.MX8MP make nxp-imx8mp dwc3-gadget 38100000.usb
BeagleBone Black make beaglebone-black musb-hdrc musb-hdrc.0
BeagleBone AI make beaglebone-ai dwc3-gadget 48380000.usb
EC3380-AB make ec3380-ab net2280 0000:04:00.0
Odroid C2 make odroid-c2 dwc_otg_pcd dwc2_a
Generic hardware make generic dummy_udc dummy_udc.0

(Table is taken from the raw-gadget repository)

To build for your device, use the corresponding target, for example:

make rpi4

For the Raspberry Pi Zero / Zero 2, you can use the default target:

make

Running

To run the gadget, you need to load the kernel module for raw-gadget and then run the gadget binary.

For the raw-gadget module, you can follow the instructions in the raw-gadget repo, e.g. for raspberry pi's: setup_raspberry-pi.md

After loading the module, you can run the gadget example binary:

sudo ./example

This will run the example function, which activates the A button every second for 4 controllers at the same time.

For more input control, take a look at the partsnotincluded link in the sources section.

Static lib

If you want to use this in other projects, you can edit the makefile CFLAGS. More info the makefile. Afterwards you can link the functions found in 360-w-gadget.h via the lib360wgadget.a static lib.

Issues;

  • Multiple controllers don't seem to work out of the box on MacOS. One could attempt installing proper drivers; https://github.com/360Controller/360Controller
  • If input endpoints, for whatever reason aren't recognized properly (like in MacOs) they will hang.
  • No rumble/led feedback yet.

TODO:

  • Implement output endpoints for rumble
  • Audio endpoints support?

Sources

useful links/sources:

More sources (old):

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Xbox 360 wireless receiver emu with raw-gadget

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