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Altera_Forum's avatar
Altera_Forum
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15 years ago

trouble making a custom vip usign data_valid signal

Hi all. I am trying to make a custom image processing block, it should be a kind of median filter. The problem is that between the input and the output of my median filter there is a latency of...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Keep the data valid, but instead of using it as a clock enable, just use it as a data valid (maybe used at the other end as a write enable. Then have a "complete" signal when all processing is complete that disables the clock enable.

Or just keep the block processing invalid data untill the next frame arrives.