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Altera_Forum's avatar
Altera_Forum
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12 years ago

Two Avalon ST Interfaces comparison

Hello all, First, I'm sorry if this is not the right forum to post such question ! Second, I desperately need your help ! I'm trying to compare two avalon streaming interfaces (one outp...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

I don't know about the VIP components so I can't answer your PS question, but more generally if you want to compare two streams, you can use the ready signals on both your sinks to control the data traffic. If one of the streams is sending data before the other one, set its ready signal to 0 to block the stream, until you get the data from the other one.

Please note that when doing something like that it is a good idea to have a buffer like a Avalon Stream FIFO if the source doesn't support back-pressure.