Path: csiph.com!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder1.enfer-du-nord.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed5.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.012 X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'python.': 0.02; 'sufficient': 0.05; 'subject:module': 0.09; 'cc:addr:python-list': 0.10; 'programmable': 0.16; 'received:mac.com': 0.16; 'rs232': 0.16; 'supported...': 0.16; 'wrote:': 0.17; 'received:10.0.1': 0.17; 'subject:problem': 0.22; 'work.': 0.23; "i've": 0.23; 'seems': 0.23; 'cc:2**1': 0.24; 'linux': 0.24; 'least': 0.25; 'cc:addr:python.org': 0.25; 'wonder': 0.27; "doesn't": 0.28; 'jean': 0.29; 'url:mailman': 0.29; 'install': 0.29; 'error': 0.30; 'url:python': 0.32; 'file': 0.32; 'url:listinfo': 0.32; 'controlling': 0.33; 'doubt': 0.33; 'received:10.0': 0.33; 'another': 0.33; 'nov': 0.35; 'received:17': 0.35; 'pm,': 0.35; 'there': 0.35; 'but': 0.36; 'url:org': 0.36; 'subject:with': 0.36; 'charset:us-ascii': 0.36; 'communicate': 0.37; 'quite': 0.37; 'subject:: ': 0.38; 'copying': 0.38; 'received:10': 0.38; 'system.': 0.39; 'url:mail': 0.40; 'from:no real name:2**0': 0.60; 'skip:u 10': 0.60; 'national': 0.61; 'serial': 0.66; 'obvious': 0.71; 'power': 0.74 MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; CHARSET=US-ASCII X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.9.8185,1.0.431,0.0.0000 definitions=2012-11-09_03:2012-11-09, 2012-11-09, 1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 ipscore=0 suspectscore=0 phishscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=6.0.2-1203120001 definitions=main-1211090215 Subject: Re: problem with module PyVisa From: wrw@mac.com In-reply-to: <2325633a-640c-42f6-b8e7-930e475b7217@c20g2000vbz.googlegroups.com> Date: Fri, 09 Nov 2012 16:14:16 -0500 References: <2f065a8d-5cf6-455f-b559-d1b78d225fca@10g2000vbu.googlegroups.com> <2325633a-640c-42f6-b8e7-930e475b7217@c20g2000vbz.googlegroups.com> To: Jean Dubois X-Mailer: Apple Mail (2.1499) Cc: "python-list@python.org" , "William R. Wing" X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 26 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1352499267 news.xs4all.nl 6959 [2001:888:2000:d::a6]:55189 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:33060 On Nov 9, 2012, at 3:43 PM, Jean Dubois wrote: > > The error may be obvious but finding this file and how to install it > is not unfortunately. > It seems I have to install it from the National Instruments site but > Debian Linux doesn't seem to be supported... > and I doubt whether just copying this file will be sufficient to make > PyVisa work. > I wonder whether there might be another way to communicate via USB > with a Keithley programmable power supply using Python. > > best regards, > Jean > > > > -- > http://mail.python.org/mailman/listinfo/python-list I've been using pyserial quite successfully to control a USB-to-serial converter. That is, controlling a couple of RS232 serial devices via the USB port through a KeySpan USB-to-Serial converter. Pyserial seems to make communication through the USB port quite transparent, at least on my OS-X system. -Bill