RIDF

General Rule of Headers

Class ID

ID	Class
0	Event Fragment
1	Event Assembly
2	Event Assembly Fragment
3	Event
4	Segment
5	Comment
6	Event with Time Stamp
7
8	Block Number
9	End of Block
10
11	Non Clear Scaler 24bit
12	Clear Scaler 24bit
13	Non clear Scaler 32bit
14
15
16	Time Stamp Data
17
18
19
20
21	Status Data

Elements

Block Header

• Layer = 0
• Class ID
  • 0 : Event Fragment
  • 1 : Event Assembly
  • 2 : Event Assembly Fragment

Block Ender

• Layer = 0 or 1
• Class ID = 9

Block Number

• Layer = 1
• Class ID = 8

Event Header

• Layer = 1
• Class ID = 3

Event Header with Timestamp

• Layer = 1
• Class ID = 6

Segment

• Layer = 2
• Class ID = 4

Segment ID

• Revision : 0 = Version 1
• Device : Experimental devices such as BigRIPS, ZDS, SHARAQ ...
• Focal Plane : F1=1, F2=2, F3=3 ...
• Detector : ID of detector such as PPACQ, PPACT, PlasticQ ...
• Module : Unique number of ADC module

See https://ribf.riken.jp/RIBFDAQ/index.php?DAQ%2FManual%2FDataformat

Scaler

• Layer = 1 or 2
• Class ID :
  • 11 = no clear (24bit)
  • 12 = clear every buffer
  • 13 = no clear (32bit)

Status

• Layer = 1 or 2
• Class ID = 21

Status ID

• 0 : Reserved
• 11 : Run start status by XML
• 12 : Run end status by XML

Comment

• Layer = 1 or 2
• Class ID = 5

Comment ID

• 0 : Header
• 1 : Ender
• 2 : Warning

Timestamp

• Layer = 2
• Class ID = 16

References

• https://ribf.riken.jp/RIBFDAQ/index.php?plugin=attach&refer=DAQ%2FManual%2FDataformat&openfile=dataformat_101112e.pdf