pcsensor 
アマゾンで買えるUSB温度計 here のドライバ pcsensor.cをすこし変更したよ。
Xeon鯖のXCIからアクセスするとETIMEOUTが発生しまくってたので変更。
でもまだタイムアウトするけどね。
ライセンスは、4-clause BSD licenseだと思うよ。 原文は下記山椒。
ORIGIN
Downloaded from here as seen on Google+.
and here.
and here.
LICENSE
From the source:
/*
* pcsensor.c by Philipp Adelt (c) 2012 (info@philipp.adelt.net)
* based on Juan Carlos Perez (c) 2011 (cray@isp-sl.com)
* based on Temper.c by Robert Kavaler (c) 2009 (relavak.com)
* All rights reserved.
*
* Temper driver for linux. This program can be compiled either as a library
* or as a standalone program (-DUNIT_TEST). The driver will work with some
* TEMPer usb devices from RDing (www.PCsensor.com).
*
* This driver works with USB devices presenting ID 0c45:7401.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED BY Philipp Adelt (and other contributors) ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL Philipp Adelt (or other contributors) BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/