The BAQ/Data Acquisition/DAQ System/Data Format

もどる

データフォーマットは理研フォーマット(rdf)です。 1block = 16KBytes constantです。

Block Header
0001 0000 0000 0000 Header Block
0000 0000 0000 0000 Data Block

#### Header Block  16KBytes ####
0001 0000 0000 0000 0000 0000 0000 0000 --> Constant
0000 0000 ....

Word
0      : 0001 - Flag of Header
1-9    : 0000
10-13  : Run Number (ASCII   8Char.) "RUN-1066"
14     : Space * 2  (ASCII   2Char.) "  "
15-23  : Start Time (ASCII  18Char.) "START => 12:58:56 "
24-32  : Stop Time  (ASCII  18Char.) " STOP => 13:53:36 "
33     : Space * 2  (ASCII   2Char.) "  "
34-42  : Print Time (ASCII  18Char.) "Print -> 13:57:07 "
43-47  : Print Date (ASCII  10Char.) " 22-SEP-98"
48-49  : 0000
50-89  : Header     (ASCII 80char.)
90-129 : Space      (ASCII 80Char.)
130-   : 0000

---- Example ----
\0  \0  \0  \0   R   U   N   -   1   0   6   6           S   T
 A   R   T       =   >       1   2   :   5   8   :   5   6    
     S   T   O   P       =   >       1   3   :   5   3   :   3
 6               P   r   i   n   t       =   >       1   3   :
 5   7   :   0   7           2   2   -   S   E   P   -   9   8
\0  \0  \0  \0   R   u   n   1   0   6   6       s   a   m   e
     a   s       b   e   f   o   r   e                        
-----------------

#### Ender Block 16KBytes ####
ffff 0000 0000 0000 0000 0000 0000 0000 -- > Constant
0000 0000 ....

Word
0      : ffff - Flag of Ender
1-9    : 0000
10-13  : Run Number (ASCII 10Char.) "RUN-1066"
14     : Space * 2  (ASCII  2Char.) "  "
15-23  : Start Time (ASCII 18Char.) "START => 12:58:56 "
24-32  : Stop Time  (ASCII 18Char.) " STOP => 13:53:36 "
33     : Space * 2  (ASCII  2Char.) "  "
34-42  : Print Time (ASCII 18Char.) "Print -> 13:57:07 "
43-47  : Print Date (ASCII 10Char.) " 22-SEP-98"
48-49  : 0000
50-89  : Header     (ASCII 80char.)
90-129 : Ender      (ASCII 80Char.)
130-   : 0000

#### Event Block 16KBytes ####
0000 0000 0000 0000 .... .... .... ....

Word
0-3    : 0000 - Flag of Data
4      : Event size (Words - Include this)
5      : FID = 1 -> Constant
6      : Event ID
7      : Segment size (Words - Include this)
8      : Segment ID
9-     : Data

$ Event size $
Ex.) 0x8046 --> 1000|0000|0100|0110
                ^    ^^^^^^^^^^^^^^
          Always '1'   Event size

$ Fixed data (Non FERA) $
0      : Segment size (Words - Include this)
1      : Segment ID
3-     : Data

$ Variable data (FERA) $
0      : Segment size (Words - Include this)
1      : Segment ID
3      : FERA Data size (Words - Except this)
4      : FERA Header
Ex.) 0x800e --> 1000|1000|0000|1110
                ^   
          Always '1'

 16           11
 --------------------------------------
| 1|WC=0to15  |       |                |
 --------------------------------------

Last Update: 2005/4/6
Hidetada Baba
baba ＠ rarfaxp.riken.jp