[Rxtx] Latency Woes

[Curtis Hacker]

So if I could get the baud up
15625, theoretical maximum latency is 1.92ms ? Basically 500 samples/sec ?
125000, theoretical maximum latency is 0.24ms ? Basically 4167 samples/sec ?

Keeping the protocol the same.

On 03/08/11 15:05, jfh at greenhousepc.com wrote:
> Curtis,
>
> It's nowhere near that bad.  I'd measured it once before, and I 
> believe it's sub-millisecond.
> --
> Julie Haugh
> Senior Design Engineer
> greenHouse Computers, LLC // jfh at greenhousepc.com 
> <http://greenhousepc.com> // greenHousePC on Skype
>
>
>     -------- Original Message --------
>     Subject: Re: [Rxtx] Latency Woes
>     From: Curtis Hacker <hakcenter at gmail.com <mailto:hakcenter at gmail.com>>
>     Date: Tue, March 08, 2011 3:27 pm
>     To: rxtx at qbang.org <mailto:rxtx at qbang.org>
>
>     Thank you guys, cause I was really worried there. I guess another win
>     for math today hahaha. So what is the imposed latency that rxtx has ?
>     maybe 5-10ms ?
>
>     On 03/08/11 13:14, Bob Jacobsen wrote:
>     > On Mar 8, 2011, at 12:33 PM, Curtis Hacker wrote:
>     >> Tunerpro log : http://www.ds-map.net/tunerpro_log.csv
>     > It's only reading one sensor per line.
>     >
>     > Note that e.g. Boost PSI changed in lines 6, 30 and 54; every 24
>     lines. IAT changed in lines 16 and 40; every 24 lines but at a
>     different phase. GramsRev in lines 23 and 47; every 24 lines, at
>     yet another phase.
>     >
>     > Looks like (69-1) readings in 1.30 seconds = 19msec per reading.
>     Arithmetic still works!
>     >
>     > Bob
>     > --
>     > Bob Jacobsen, LBNL
>     > Bob_Jacobsen at lbl.gov <mailto:Bob_Jacobsen at lbl.gov>
>     +1-510-486-7355 fax +1-510-643-8497 AIM, Skype JacobsenRG
>     >
>     >
>     >
>     >
>     >
>     > _______________________________________________
>     > Rxtx mailing list
>     > Rxtx at qbang.org <mailto:Rxtx at qbang.org>
>     > http://mailman.qbang.org/mailman/listinfo/rxtx
>     >
>     _______________________________________________
>     Rxtx mailing list
>     Rxtx at qbang.org <mailto:Rxtx at qbang.org>
>     http://mailman.qbang.org/mailman/listinfo/rxtx
>
>
> _______________________________________________
> Rxtx mailing list
> Rxtx at qbang.org
> http://mailman.qbang.org/mailman/listinfo/rxtx
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qbang.org/pipermail/rxtx/attachments/20110308/dc50df92/attachment-0477.htm>