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event_filter [2015/10/30 16:46] pereira [Trigger packet] |
event_filter [2015/10/30 17:02] pereira [CRDC packets] |
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* **Packet Length** (self-inclusive) | * **Packet Length** (self-inclusive) | ||
- | ^ from 2 to 10 ^^^^^^^^^^^^^^^| | + | ^ |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | X | X | X | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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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* **Packet Length** (self-inclusive) | * **Packet Length** (self-inclusive) | ||
- | ^ from 4 to 8 ^^^^^^^^^^^^^^^| | + | ^ |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | X | X | X | X | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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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* **Packet Length** (self-inclusive) | * **Packet Length** (self-inclusive) | ||
- | ^ 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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+ | |||
+ | |||
+ | * **Energy values** | ||
+ | The energy (from the Phillips 7164H ADC module) is given by a series of words that look like: | ||
+ | |||
+ | ^ ^^^ Ch ^ energy | ||
+ | | 0 | 0 | 0 | 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 | | ||
+ | |||
+ | |||
+ | Where Ch is the segment number (from 0 to 15, being segment 0 the most upstream). The Filter gives an energy word for each segment as long as **energy** is greater than 0. | ||
+ | |||
+ | |||
+ | |||
+ | |||
+ | ==== CRDC packets ==== | ||
+ | The Filter provides two CRDC packets: one for [[Detectors|Cathode Readout Drift Chambers (CRDC)|CRDC1]] and one for [[Detectors|Cathode Readout Drift Chambers (CRDC)|CRDC2]]. Each CRDC packet is divided in two sub-packets: | ||
+ | |||
+ | * **Packet Length** (self-inclusive) | ||
+ | |||
+ | ^ A number from 4 to 18 ^^^^^^^^^^^^^^^| | ||
+ | | 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 | | ||
+ | |||
+ | |||
+ | * **Packet Tag** | ||
+ | |||
+ | ^ 0x5840 | ||
+ | | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | | ||
+ | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | |||
+ | |||
+ | |||
+ | * **CRDC label** | ||
+ | |||
+ | ^ 0 (CRDC1) or 1 (CRDC2) ^^^^^^^^^^^^^^^| | ||
+ | | 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 | | ||
+ | |||
+ | |||
+ | |||
+ | * **CRDC Sub-packet " | ||
+ | |||
+ | ^ from 2 to 16 ^^^^^^^^^^^^^^^| | ||
+ | | 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 | | ||
+ | |||
+ | |||
+ | |||
+ | * **CRDC Sub-packet " | ||
+ | |||
+ | ^ 0x5841 | ||
+ | | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | | ||
+ | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | |||
+ | |||
+ | |||
+ | |||
+ | |||
+ | |||
+ | CRDC Sub-packet " | ||
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| 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 | | ||
| 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 | | ||
+ | |||