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Altera_Forum
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11 years ago

Problem in getting 1 usec Interval Timer to work using NiosII and QSYS

Hello everyone, Kindly guide me in resolving the following problem. I am unable to get the Interval timer to work for 1usec. It is working for 1msec. Case: I have a DE2115 kit. Using QSYS I h...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

If you want to delay for a few usec then loop reading a free running hardware counter until the value exceeds a calulated value (remember to use unsigned comparisons).

I don't remember seeing an Altera supplied Avalon slave that is just a 32bit counter with a pre-divider, but they aren't that difficult to write.