Iņaki wrote:
I need start to process images (despite images are fields) each 20 us. I want interruptions are each 20 us.
OK.
But normal Linux kernel can has problem with providing so much accuracy in the interrupt latency. Good article
about this you can find follow by URL http://www.linuxdevices.com/articles/AT6416763926.html
And, see -
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The average time between frames is 40 us and i need reduce it to 20 us
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Are you _really_ sure, that the time between frames is 40 _ us _? 1/25 (fps) = 40 _ mS _ . E.q. in 1000 times greater. Even between fields we will have 20 mS - that's normal value.
Regards, Yurij
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