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ASMS(4) Device Drivers Manual (macppc) ASMS(4)

Apple sudden motion sensor

asms* at iic?

The asms driver provides support for the Apple sudden motion sensor found in some laptops.
The sensors currently exposed via the sysctl(8) interface are:
Sensor Units Typical Use
Unknown X Acceleration
Unknown Y Acceleration
Unknown Z Acceleration

Machines supported by the asms driver include:

iic(4), intro(4), sensorsd(8), sysctl(8)

The asms driver first appeared in OpenBSD 3.9.

The asms driver was written by Xavier Santolaria <xsa@openbsd.org>.
July 17, 2013 OpenBSD-current