[SciPy-user] LabVIEW and LabPython

Andrew Straw strawman@astraw....
Mon Jun 9 23:01:33 CDT 2008


Gary Pajer wrote:
> On Mon, Jun 9, 2008 at 6:51 AM, Stef Mientki <s.mientki@ru.nl
> <mailto:s.mientki@ru.nl>> wrote:
>
>
>
>     Gary Pajer wrote:
>     > I was unaware of LabPython until this post.  But I can report that
>     > I've been using National Instruments' DAQmx library through ctypes,
>     > and it seems to work perfectly.  I don't know how far along you
>     are in
>     > development,  but there's an option for you.
>     >
>     > I've married DAQmx to scipy/numpy to Traits UI (
>     > http://code.enthought.com/projects/traits ) and I have a
>     beautiful GUI
>     > based data acquisition/display/analysis system.  I'll admit that
>     I've
>     > been too scared to even try to implement callbacks (used by a small
>     > number of DAQmx C functions) but I've achieved the same
>     functionality
>     > using python threads.  Aside from that caveat, all features have
>     > worked as they should.
>     hi Gary,
>     This sounds very very interesting.
>     As I'm writing an opensource replacement for LabView / MatLab in
>     Python
>     (called PyLab_Works),
>     and DAQmx is one of the major AD-systems in this package,
>     I'm anxious to get DAQmx libraries (as till now I have some
>     clumsy-windows-only DLL).
>     Any change I could use your code ?
>
>
> I'd be happy to share what I've done, but let me make clear that I am
> using NI's DAQmx Windows dll.    I'm just calling the functions in
> there using ctypes.   I have a feeling that you are after something
> different. 
>
> I'm not sure what you have and what you want, but if I read between
> your lines, I think you might be looking for Linux libraries.  NI does
> have Linux version with reduced functionality available for download. 
> License may be an issue.  Would Comedi help?
>
> If we get any deeper, we might want to take the discussion off-line.
Please don't, I (for one!) think this is a very interesting discussion.


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