Difference between revisions of "Busy Box and related"

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[[Media:jalme_phd-thesis.pdf|PhD Thesis, Johan Alme]]
 
[[Media:jalme_phd-thesis.pdf|PhD Thesis, Johan Alme]]
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[[Media:bb_manual.pdf|User Guide BusyBox, Rikard Bølgen]]
  
 
[[Category:Trigger]]
 
[[Category:Trigger]]

Revision as of 20:27, 19 February 2009

Overview

Traditionally the Fee in ALICE sub-detectors indicates when its buffers are full and cannot handle further triggers from the CTP. This is either done directly or through the FANIN module to the LTU with a busy signal.

Due to dense cabling, four of ALICE sub-detectors (TPC, PHOS, FMD and EMCal), utilize a BusyBox to keep track of free buffers in their Fec. The BusyBox asserts the busy signal to the LTU when one of these conditions is true: Buffers in Fec are full, upon receiving a trigger sequence from TTC or when the TTC sends a global reset to the Fee. The BusyBox is located in the DAQ counting rom.

Download Section

RCU Trigger Receiver Module

Master Thesis, Magne Munkejord

PhD Thesis, Johan Alme

User Guide BusyBox, Rikard Bølgen