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UPD(4) FreeBSD Kernel Interfaces Manual UPD(4) NAME upd -- USB Power Devices sensor SYNOPSIS upd* at uhidev? DESCRIPTION The upd driver provides support for monitoring various sensors provided by USB Power Devices (such as a UPS). Supported sensor values are made available via the sysctl(8) interface. The following sensors are supported by the driver: BatteryPresent ShutdownImminent ACPresent Overload RelativeStateOfCharge AbsoluteStateOfCharge RemainingCapacity FullChargeCapacity Charging Discharging AtRateTimeToFull AtRateTimeToEmpty RunTimeToEmpty NeedReplacement SEE ALSO intro(4), uhidev(4), sensorsd.conf(5), sensorsd(8), sysctl(8) The USB Power Devices specification can be found at: https://www.usb.org/hid HISTORY The upd driver first appeared in OpenBSD 5.6. AUTHORS The upd driver was written by Andre de Oliveira. BUGS The upd driver does not indicate device health via aggregate or individ- ual sensor status. Users who wish to monitor upd status using sensorsd(8) must manually establish "high" and "low" limits for sensor values of interest via sensorsd.conf(5). FreeBSD 13.0 May 12, 2020 FreeBSD 13.0
NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | HISTORY | AUTHORS | BUGS
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