Logitech G25 support
Windows
The G25 should be fully supported in Windows without any special steps.
Linux
When initially plugged in, the G25 will be in compatibility mode, which restricts the steering range and disables the clutch pedal and some of the gears on the H-shifter. VDrift includes two tools that can be used to change G25 modes. Either tool can be used; use whichever tool works the best for you.
usbtool
The tool can be found in VDrift/tools/usbtool-0.1.tar.gz. The tool requires libusb development headers to be installed (package libusb-dev on ubuntu intrepid, for example) as well as the swig package. Run ./build.sh and then run ./usbtool to see the options available. To set the wheel to native mode and the range to 900 degrees, run:
sudo ./usbtool g25-set-range-wheel-900
and
sudo ./usbtool g25-set-extended-mode
This will likely disconnect the joystick driver. To reconnect it run:
sudo rmmod joydev;sudo rmmod usbhid;sudo modprobe usbhid
G25manage
The tool can be found in VDrift/tools/G25manage. The tool requires libusb development headers to be installed (package libusb-dev on ubuntu intrepid, for example). Run make to compile the tool, then run:
sudo ./G25manage --nativemode
and
sudo ./G25manage --range 900
The wheel should now support the entire turning radius as well as the clutch pedal.