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Altera_Forum
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14 years ago

Trying to test Filter using NCO Megafunction and Signal Tap Analyzer?

I've built a low-pass filter using Fdatool in matlab and used HDL coder in matlab to get a vhdl to simulate on hardware. i'm trying to use the NCO megafunction to generate a signal to be filtered in ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

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I thought if i had all the triggers set to don't care, it wouldn't matter what change occurred at that particular node and the signal tap would activate.

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But you don't have them set to don't care, you have the first set to all zeros.

As FvM points out though, you can just start the capture, and then stop it manually, and you would see if data was changing.

Cheers,

Dave