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Altera_Forum
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10 years ago

Comparison between old value and new value

Hi All, Its a very simple question but I am unable to do that. Below is my code. I want to store signal data_o_new to signal data_o_old and then compare these signals with each other and do inc...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

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I dont want abrupt change of new value. that's why I store the new value to a signal then do increment or decrement to that signal while my signal is going to output having a smooth transition.

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A more practical approach is running average filter, it does not need any mults, you just add say 8 samples together then discard 3 Lsb off result.

If you are aiming at incrementing/decrementing by 1 you may either not have enough time to catch up or you have more gaps