E1.20 RDM (Remote Device Management) Protocol Forums

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-   -   Interpretation of ACK_TIMER (http://www.rdmprotocol.org/forums/showthread.php?t=1106)

eldoMS August 19th, 2011 04:50 AM

Interpretation of ACK_TIMER

Is it correct that a 0x0000 as an ACK_TIMER response indicates a "come back immediately for the requested and queued data"?



ericthegeek August 19th, 2011 11:12 AM

Yes, that is correct.

sblair August 19th, 2011 12:31 PM

I have to ask though, if you are ready immediately then why ACK_TIMER?

ericthegeek August 19th, 2011 01:08 PM

If you need a bit more time than 176us, but don't need the 100ms minimum value allowed in ACK_TIMER. The shortest possible RDM packet is around 1.3ms, so by the time the responder can send you the GET QUEUED_MESSAGE you'll have the data it requested.

eldoMS August 21st, 2011 03:39 AM

Hi Eric/Scott,

Yes, indeed this can serve quick turn-arounds, even a little bit more than 1.3 ms, depending on the application the ACK_TIMER reply itself (also 1.3 ms) as well as the max delay to response (2 ms) could be added together, of course depending very much on application.



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