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.\"	$OpenBSD: uoakv.4,v 1.6 2024/01/03 09:19:22 kevlo Exp $
.\"
.\" Copyright (c) 2012 Yojiro UO <yuo@nui.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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.Dd $Mdocdate: January 3 2024 $
.Dt UOAKV 4
.Os
.Sh NAME
.Nm uoakv
.Nd Toradex OAK USB +/-10V 8channel ADC interface
.Sh SYNOPSIS
.Cd "uoakv* at uhidev?"
.Sh DESCRIPTION
The
.Nm
driver provides support for the Toradex OAK 10V device.
The sensor possesses a collection of sensor values which are
made available through the
.Xr sysctl 8
interface.
.Pp
The ADC date unit is "VDC"(DC voltage) and the value is signed.
Because the Analog-Digital conversion cycle of the device is faster
than the sensor framework update cycle,
the driver keeps maximum/minimum/average values of each cycle as
independent sensors.
.Pp
The device has a unique serial number,
indicated in the description part of the sensor value.
.Sh SEE ALSO
.Xr intro 4 ,
.Xr uhidev 4 ,
.Xr sensorsd 8 ,
.Xr sysctl 8
.Rs
.%T Toradex Web Page
.%U http://developer.toradex.com/hardware-resources/usb-sensors-and-peripherals
.Re
.Sh HISTORY
The
.Nm
device driver first appeared in
.Ox 5.3 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Yojiro UO Aq Mt yuo@nui.org .