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Altera_Forum's avatar
Altera_Forum
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14 years ago

From Custom Instruction to Custom Peripheral

I'm trying to simulate how a camera works by generating lines of data and then apply some kind of spatial 3x3 convolution filter to the data. I have done one method by using Custom Instruction where ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

The DMA makes sense if you want to be able to start sending the next frame into the custom hardware while it's still working on the current frame. I don't know much about the algorithm you are attempting to implement but if you are going to feed the hardware using a DMA then it probably makes sense to pull the frame out of memory, store it in registers and process the output quickly then move onto the next frame.