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Altera_Forum
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12 years ago

IORD_ALTERA_AVALON_PIO_DATA execution speed

Is there a faster way to read a pin than using the IORD_ALTERA_AVALON_PIO_DATA macro? I'm finding the code below is running quite slow, but by removing the second condition (i.e. reducing the n...
Altera_Forum's avatar
Altera_Forum
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12 years ago

Actually for something like this I would rather use a DMA to periodically read the AD data from the converter and write it directly to memory. You could then raise an interrupt once a buffer is full and let the CPU handle the Ethernet encapsulation.