#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# test_keithley2000.py - PyVISA test code for Keithley 2000 multimeter
#
# Copyright 2005, 2006, 2007, 2008
# Torsten Bronger <bronger@physik.rwth-aachen.de>,
# Gregor Thalhammer <gth@users.sourceforge.net>.
#
# This file is part of PyVISA.
#
# PyVISA is free software; you can redistribute it and/or modify it under
# the terms of the MIT licence:
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
#
from visa import *
print "Test start"
keithley = GpibInstrument(12)
milliseconds = 500
number_of_values = 10
keithley.write("F0B2M2G0T2Q%dI%dX" % (milliseconds, number_of_values))
keithley.trigger()
keithley.wait_for_srq()
voltages = keithley.read_floats()
print "Average: ", sum(voltages) / len(voltages)
print "Test end"
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