gpiosim(4) - NetBSD Manual Pages

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GPIOSIM(4)              NetBSD Kernel Interfaces Manual             GPIOSIM(4)


NAME

     gpiosim -- General Purpose Input/Output Simulator


SYNOPSIS

     pseudo-device gpiosim


DESCRIPTION

     The gpiosim pseudo-device simulates a 64-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>.

NetBSD 7.0                       May 20, 2013                       NetBSD 7.0