ffcfstress man page

ffcfstress — constant force stress test for force-feedback devices


ffcfstress [-d <device>] [-u <update rate>] [-f <frequency>] [-a <amplitude>] [-s <strength>] [-x <axis>] [-A] [-o]


ffcfstress stress tests constant non-enveloped forces on a force feedback device. It simulates a moving spring force by applying a frequently updated constant force effect.

Beware, the stress test may damage your device!


At least one option is required.

-d <device>

The device to test (by default /dev/input/event0).

-u <update rate>

The update rate in Hz (25 by default).

-f <frequency>

The spring center motion frequency in Hz (0.1 by default).

-a <amplitude>

The spring center motion amplitude, between 0.0 and 1.0 (1.0 by default).

-s <strength>

The spring strength factor (1.0 by default).

-x <axis>

absolute axis to test (default: 0)
[0 = X, 1 = Y, 2 = Z, 3 = RX, 4 = RY, 5 = RZ, 6 = WHEEL]


switch off auto-centering


Dummy option, useful when all defaults should be used.

See Also

ffmvforce(1), fftest(1), jstest(1).


ffcfstress was written by Oliver Hamann.

This manual page was written by Stephen Kitt <steve@sk2.org>, for the Debian GNU/Linux system (but may be used by others). It was last modified for ffcfstress dated February 15, 2002.

Referenced By

ffmvforce(1), ffset(1), fftest(1).

March 8, 2009 ffcfstress