pyinst: example.py annotate

annotate example.py @ 9:a6b746654ae2

Fix comment mangle.

author	Daniel O'Connor <darius@dons.net.au>
date	Sat, 16 May 2009 23:32:51 +0930
parents	813e183cfd49
children

rev	line source
3 62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1 #!/usr/bin/env python
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	2
7 813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	3 # Copyright (c) 2009
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	4 # Daniel O'Connor <darius@dons.net.au>. All rights reserved.
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	5 #
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	6 # Redistribution and use in source and binary forms, with or without
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	7 # modification, are permitted provided that the following conditions
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	8 # are met:
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	9 # 1. Redistributions of source code must retain the above copyright
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	10 # notice, this list of conditions and the following disclaimer.
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	11 # 2. Redistributions in binary form must reproduce the above copyright
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	12 # notice, this list of conditions and the following disclaimer in the
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	13 # documentation and/or other materials provided with the distribution.
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	14 #
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	15 # THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	18 # ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	25 # SUCH DAMAGE.
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	26 #
813e183cfd49 Add 2 clause BSDL. Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	27
3 62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	28 import usb488
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	29 import matplotlib.pylab as pylab
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	30 import numpy
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	31 import time
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	32
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	33 def main():
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	34 u = usb488.USB488Device()
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	35 print "Found device"
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	36
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	37 u.write("*IDN?")
5 51d1fc44a753 Add variable timeout for reads. Daniel O'Connor <darius@dons.net.au> parents: 3 diff changeset	38 print "IDN reports " + u.read()
3 62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	39
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	40 u.write("DATA:ENC RIB") # Big endian signed
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	41 u.write("DATA:WIDTH 2") # 2 bytes wide
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	42 u.write("SELECT:CH1 ON") # Turn channel 1 on
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	43 u.write("DATA:SOURCE CH1") # Set the curve source to channel 1
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	44 u.write("CURVE?") # Ask for the curve data
5 51d1fc44a753 Add variable timeout for reads. Daniel O'Connor <darius@dons.net.au> parents: 3 diff changeset	45 then = time.time()
51d1fc44a753 Add variable timeout for reads. Daniel O'Connor <darius@dons.net.au> parents: 3 diff changeset	46 result = u.read(1.0) # Takes the CRO a while for this
51d1fc44a753 Add variable timeout for reads. Daniel O'Connor <darius@dons.net.au> parents: 3 diff changeset	47 now = time.time()
51d1fc44a753 Add variable timeout for reads. Daniel O'Connor <darius@dons.net.au> parents: 3 diff changeset	48 print "CURVE read took %f milliseconds" % ((now - then) * 1000.0)
3 62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	49 data = result[13:] # Chop off the header
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	50 dattype = numpy.dtype('>h') # Big endian 16 bit quantity
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	51 ary = numpy.fromstring(data, dtype = dattype)
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	52 pylab.plot(ary)
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	53 pylab.show()
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	54
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	55 if __name__ == "__main__":
62ffab79227e Add example.py with pylab plotting example. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	56 main()

Mercurial > ~darius > hgwebdir.cgi > pyinst

annotate example.py @ 9:a6b746654ae2