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event_filter [2015/10/30 17:31] pereira [CRDC packets] |
event_filter [2015/10/30 17:55] pereira [CRDC packets] |
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- | * **Samples | + | * **Samples |
- | The Filter sends a series of samples "packets". Each "packet" | + | The Filter sends a series of sample sub-packets. Each sub-packet consists of two parts: 1) one 16-bit word with information about the sample number |
+ | ^ control bit ^ | ||
+ | | 1 | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | | ||
+ | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
- | ^ Control | + | and 2) four 16-bit words, each with energy information a pad: |
- | | 0 | 0 | 0 | X | X | X | X | X | X | X | X | X | X | X | X | X | | + | |
+ | ^ | ||
+ | | 0 | 0 | 0 | 0 | 0 | 0 | X | X | X | X | X | X | X | X | X | X | | ||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | |||
+ | |||
+ | ^ control bit ^ empty ^^^ connector 1 ^^ energy | ||
+ | | 0 | 0 | 0 | 0 | 0 | 1 | X | X | X | X | X | X | X | X | X | X | | ||
+ | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | |||
+ | |||
+ | ^ control bit ^ empty ^^^ connector 2 ^^ energy | ||
+ | | 0 | 0 | 0 | 0 | 1 | 0 | X | X | X | X | X | X | X | X | X | X | | ||
+ | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | |||
+ | |||
+ | ^ control bit ^ empty ^^^ connector 3 ^^ energy | ||
+ | | 0 | 0 | 0 | 0 | 1 | 1 | X | X | X | X | X | X | X | X | X | X | | ||
+ | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | |||
+ | |||
+ | The connector number (**connector**) is related to pad number (**pad**) according to: **pad** = **channel** + **connector** x 64 (where **channel** is given by the first word of the sample sub-packet). | ||
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