GPIOSIM(4) BSD Kernel Interfaces Manual GPIOSIM(4)
NAME
gpiosim -- General Purpose Input/Output Simulator
SYNOPSIS
pseudo-device gpiosim
DESCRIPTION
The gpiosim pseudo-device simulates a 32-bit wide gpio(4) device. The state of the simulated device can be manipulated through the sysctl(8)
interface. For this purpose, access the "hw.gpiosim<N>.value" sysctl(8) variable, where "<N>" denotes the number of the gpiosim instance.
SEE ALSO
gpio(4), sysctl(8)
AUTHORS
The gpiosim driver was written by Marc Balmer <marc@msys.ch>.
BSD
August 1, 2009 BSD
