GPIOSIM(4) BSD Kernel Interfaces Manual GPIOSIM(4)NAMEgpiosim — General Purpose Input/Output Simulator
SYNOPSIS
pseudo-device gpiosimDESCRIPTION
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 ALSOgpio(4), sysctl(8)AUTHORS
The gpiosim driver was written by Marc Balmer ⟨marc@msys.ch⟩.
BSD August 1, 2009 BSD