[Halld-cal] Draft f250 data words for comments

Beni Zihlmann zihlmann at jlab.org
Wed Jul 22 09:00:55 EDT 2015


unless the pedestal sum contains the same number of samples as the integral
it would be necessary to also store the sample numbers in the pedestal sum
and/or integral.

cheers,
Beni


> Dear colleagues,
>
> We have been discussing various considerations for the next f250 
> firmware upgrade. Based on the size of the spring data with mode 7, we 
> see that the data volume is dominated by header words and not the 
> "content" per se. Therefore, it appears that we should be able to 
> handle the GlueX rate with 3 words for the calorimeter "content". 
> However, it would be desirable to separate the pedestal into one word, 
> which could be dropped if size becomes an issue. Attached is a draft 
> scheme for discussion that achieves these goals.
>
> Feedback is welcome.
>
> Cheers, Elton.
>
>
>
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