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SPORT rx buffers prefetch

Question asked by PGaganoff on Oct 19, 2010
Latest reply on Oct 28, 2010 by PGaganoff

Hello!

 

SPORT generates callback, where it points to buffer it is going to transmit.

SPORT is synchronous interface, so obviously it will not wait me to fill buffer for too long.

How much time I have between SPORT request to fill buffer and actually this buffer will be transmitted by hardware?

PS Im using circular chain buffer, so it runs forever.

This problem will arise, for example, when using Deferred Callback Manager for SPORT callback. SPORT requests buffer, but DCM can delay this request depending on current tasks.

 

Thanks.

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