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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
Icon for Honored Contributor rankHonored Contributor
12 years ago

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Make sure the avalon slave is a 32bit one - otherwise you get a bus width adapter that will slow the transfer down a lot - especially if there is also a clock crossing bridge.

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A bit late to reply now, but this is what fixed my problem. Thanks very much dsl for your help.

Bert