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UPD(4)                   BSD Kernel Interfaces Manual                   UPD(4)

NAME
     upd -- USB Power Devices sensor

SYNOPSIS
     upd* at uhidev?

DESCRIPTION
     The upd driver exposes data from USB Power Devices (such as an UPS), as
     hardware sensors via sysctl(3).

     The following sensors are provided by the upd driver, which can be moni-
     tored using sensorsd(8):

           RelativeStateOfCharge
           AbsoluteStateOfCharge
           RemainingCapacity
           FullChargeCapacity
           Charging
           Discharging
           BatteryPresent
           ShutdownImminent
           ACPresent
           AtRateTimeToFull

SEE ALSO
     intro(4), uhidev(4), sensorsd(8), sysctl(8)

HISTORY
     The upd driver first appeared in OpenBSD 5.6.

AUTHORS
     The upd driver was written by Andre de Oliveira.

BSD                             April 27, 2017                             BSD