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xpad - Linux USB driver for X-Box gamepads
This is the very first release of a driver for X-Box gamepads.
Basically, this was hacked away in just a few hours, so don't expect
In particular, there is currently NO support for the rumble pack.
You won't find many ff-aware linux applications anyway.
0. Status
For now, this driver has only been tested on just one Linux-Box.
This one is running a 2.4.18 kernel with usb-uhci on an amd athlon 600.
The jstest-program from joystick-1.2.15 (jstest-version 2.1.0) reports
8 axes and 10 buttons.
Alls 8 axes work, though they all have the same range (-32768..32767)
and the zero-setting is not correct for the triggers (I don't know if that
is some limitation of jstest, since the input device setup should be fine. I
didn't have a look at jstest itself yet).
All of the 10 buttons work (in digital mode). The six buttons on the
right side (A, B, X, Y, black, white) are said to be "analog" and
report their values as 8 bit unsigned, not sure what this is good for.
I tested the controller with quake3, and configuration and
in game functionality were OK. However, I find it rather difficult to
play first person shooters with a pad. Your mileage may vary.
1. USB adapter
Before you can actually use the driver, you need to get yourself an
adapter cable to connect the X-Box controller to your Linux-Box.
Such a cable is pretty easy to build. The Controller itself is a USB compound
device (a hub with three ports for two expansion slots and the controller
device) with the only difference in a nonstandard connector (5 pins vs. 4 on
standard USB connector).
You just need to solder a USB connector onto the cable and keep the
yellow wire unconnected. The other pins have the same order on both
connectors so there is no magic to it. Detailed info on these matters
can be found on the net ([1], [2], [3]).
Thanks to the trip splitter found on the cable you don't even need to cut the
original one. You can buy an extension cable and cut that instead. That way,
you can still use the controller with your X-Box, if you have one ;)
2. driver installation
Once you have the adapter cable and the controller is connected, you need
to load your USB subsystem and should cat /proc/bus/usb/devices.
There should be an entry like the one at the end [4].
Currently (as of version 0.0.4), the following three devices are included:
original Microsoft XBOX controller (US), vendor=0x045e, product=0x0202
original Microsoft XBOX controller (Japan), vendor=0x045e, product=0x0285
InterAct PowerPad Pro (Germany), vendor=0x05fd, product=0x107a
If you have another controller that is not listed above and is not recognized
by the driver, please drop me a line with the appropriate info (that is, include
the name, vendor and product ID, as well as the country where you bought it;
sending the whole dump out of /proc/bus/usb/devices along would be even better).
In theory, the driver should work with other controllers than mine
(InterAct PowerPad pro, bought in Germany) just fine, but I cannot test this
for I only have this one controller.
If you compiled and installed the driver, test the functionality:
> modprobe xpad
> modprobe joydev
> jstest /dev/js0
There should be a single line showing 18 inputs (8 axes, 10 buttons), and
it's values should change if you move the sticks and push the buttons.
It works? Voila, your done ;)
3. Thanks
I have to thank ITO Takayuki for the detailed info on his site
His useful info and both the usb-skeleton as well as the iforce input driver
(Greg Kroah-Hartmann; Vojtech Pavlik) helped a lot in rapid prototyping
the basic functionality.
4. References
1. (ITO Takayuki)
4. /proc/bus/usb/devices - dump from InterAct PowerPad Pro (Germany):
T: Bus=01 Lev=03 Prnt=04 Port=00 Cnt=01 Dev#= 5 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=32 #Cfgs= 1
P: Vendor=05fd ProdID=107a Rev= 1.00
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=58(unk. ) Sub=42 Prot=00 Driver=(none)
E: Ad=81(I) Atr=03(Int.) MxPS= 32 Ivl= 10ms
E: Ad=02(O) Atr=03(Int.) MxPS= 32 Ivl= 10ms
Marko Friedemann <>