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Unread 12-04-2014, 23:46
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Re: On interrupts and analog sampling

Quote:
Originally Posted by adciv View Post
Our poll rates have varied over the years from 100 ms to 20ms. If we could eliminate this in favor of interrupts based on when our sensor inputs change we could reduce our processor utilization.
The amount of CPU it takes to retrieve updated inputs from FPGA every 20ms is miniscule. If you are running out of throughput margin, interrupts will not solve your problem.



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