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event_filter [2015/10/30 17:02] pereira [CRDC packets] |
event_filter [2015/10/30 17:42] pereira [CRDC packets] |
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* **Packet Length** (self-inclusive) | * **Packet Length** (self-inclusive) | ||
- | ^ A number from 4 to 18 | + | ^ A number from 4 to 18 ^^^^^^^^^^^^^^| |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | X | X | X | X | X | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | | ||
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* **CRDC label** | * **CRDC label** | ||
- | ^ | + | ^ |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | X | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | | ||
+ | |||
+ | where 0x0000 and 0x0001 identify CRDC1 and CRDC2, respectively. | ||
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+ | * **Dummy word** | ||
+ | ^ 0x0000 | ||
+ | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | ||
+ | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | This word is reserved for a global threshold, which is no longer used. | ||
- | CRDC Sub-packet " | ||
- | * **Energy values** | + | * **Samples " |
- | The energy (from the Phillips 7164H ADC module) is given by a series of words that look like: | + | The Filter sends a series of sample " |
- | ^ ^^^ Ch ^ energy | + | ^ |
- | | 0 | 0 | 0 | X | X | X | X | X | X | X | X | X | X | X | X | X | | + | | 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 | | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | |||
+ | and 2) four 16-bit words, each with energy information from a pad. | ||
+ | |||
+ | ^ control bit ^ ^^ connector ^ ^ energy ^^^^^^^^^| | ||
+ | | 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 | | ||
+ | |||
+ | |||