timing - fpga

[charlie87]

Hi,

I am working on fpga project based on Delta-Sigma data acquisitsion. Now I am testing it in the hardware. In the acq. loop, there is tic counter which I took from NI samples, When I run it it count bilions of tick and there is not signal from DMA. It does not working and I do not now why.

Does someone has an idea ? Check Main.vi in the project.

I am not sure about IRQ signal and that I answer it correctly but I think the main acq. loop does not run till IRQ is acknowledged so the tic counter would not count anything.

There is file [FPGA]Main.vi which is the main vi of the project.

[Jiembou]

Hellllllo....

could somewone try to help us??

i need also a vi called `Sample Rate to Loop Time.vi`, he has a polimorphycal behaviour .

cold somewone send me this file ??

thx

Jimi 

[nathand]

I don't have any idea what's wrong here, but I would try running it in simulation on your PC and see if you can find the problem using the standard LabVIEW debugging tools.  See "Testing an FPGA VI Called by a Real-Time VI Running in Emulation Mode."