Re: PCI-DAS6034

On 02/06/05 15:34, Eric Hudson wrote:
> I am about to purchase the Measurement Computing PCI-DAS6034 and I would 
> like to use it in Linux to generate a real-time graph of the data I am 
> acquiring. I’ve noticed in the driver.txt for comedi-0.7.67 that it 
> works in linux but not “streaming analog output” will I need this 
> feature to create a real-time graph?

It looks like streaming analog output is implemented in the CVS version, 
but you don't need it.  You need "streaming analog input", which is 
supported in your comedi-0.7.67.

> What is the best way to have a “real time” graph of the ADC data ? I’m 
> looking for a nice flowing chart.

Comedi isn't really concerned with displaying the data, just in 
acquiring it.

Some graphical toolkits have graphing widgets, but the only one I can 
think of is Kylix (unless you want to splash out on LabView).  You could 
always implement your own by plotting a few lines on a canvas.

Have a look at <http://xoscope.sourceforge.net/>.  It's an open source 
(GPL) digital oscilloscope implementation for Linux that supports Comedi.

-- 
-=( Ian Abbott _at_ MEV Ltd.    E-mail: <abbotti_at_mev.co.uk>        )=-
-=( Tel: +44 (0)161 477 1898   FAX: +44 (0)161 718 3587         )=-

Received on 2005-02-07Z16:04:42