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Re: Has anyone had lack of processing power?
We had some issues keeping track of an encoder we used to close the loop around our steering control. It got to be very resource-intensive to count every edge transition, so we modified the code to only count every fourth encoder transition, which worked fine.
The problem, as Mark noted, is that the program hasn't returned from the interrupt service routine by the time that another interrupt comes along. This causes the processor to miss a count, which over time will lead to a large position error.
This will be the main type of problem that you'll see, especially if you try to close any high speed loops.
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...Only a few people are awake and they live in a state of constant total amazement. -JP Shanley, Joe vs. the Volcano
Last edited by Kris Verdeyen : 26-10-2004 at 11:10.
Reason: credit where it's due...
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The GDC needs to write the rules once and let the game be what the game is going to be. There's little that's fun about being told exactly how to play with your toys. - Madison [more] 
26-10-2004, 11:09
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