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event_filter [2015/10/30 15:32] pereira [Time-of-flight packet] |
event_filter [2015/10/30 16:46] pereira [Scintillator packet] |
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==== Time-stamp packet ==== | ==== Time-stamp packet ==== | ||
- | The timestamp is coded by the XLMV72 module for each event as a 64-bit word. The Event Builder and Event Filter | + | The timestamp is encoded in the [[S800 USB DAQ data format#Tag 0x5803: XLM72 time stamp module|XLMV72 |
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==== Trigger packet ==== | ==== Trigger packet ==== | ||
- | The trigger packet includes a bit-pattern word (from the ULM trigger module), with information about what sources triggered the event, and their corresponding time from the Phillips TDC. | + | The trigger packet includes a bit-pattern word (encoded |
* **Packet Length** (self-inclusive) | * **Packet Length** (self-inclusive) | ||
- | ^ from 2 to 7 ^^^^^^^^^^^^^^^| | + | ^ |
| 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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==== Time-of-flight packet ==== | ==== Time-of-flight packet ==== | ||
- | The time-of-flight packet includes all the timing values | + | The time-of-flight packet includes all the timing values |
* **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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==== Scintillator packet ==== | ==== Scintillator packet ==== | ||
- | The scintillator packet includes the energy (from the FERA LeCroy module) and time (from the Phillips TDC) of the S800 FP scintillator signals. In the original configuration, | + | The scintillator packet includes the energy (encoded in the [[S800 USB DAQ data format#Tag 0x4300: FERA module for plastic scintillator energies|FERA LeCroy module]]) and time (encoded in the [[S800 USB DAQ data format#Tag 0x7186: |
* **Packet Length** (self-inclusive) | * **Packet Length** (self-inclusive) | ||
- | ^ | + | ^ |
- | | 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 | 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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+ | |||
+ | |||
+ | |||
+ | |||
+ | |||
+ | |||
+ | ==== Ion-Chamber packet ==== | ||
+ | The Ion-chamber packet includes the energies of the [[Detectors# | ||
+ | |||
+ | |||
+ | * **Packet Length** (self-inclusive) | ||
+ | |||
+ | ^ 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** | ||
+ | |||
+ | ^ 0x5820 | ||
+ | | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | | ||
+ | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | |||
+ | |||
+ | |||
+ | * **Sub-packet " | ||
+ | |||
+ | ^ 0x5821 | ||
+ | | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | | ||
+ | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | |||
+ | |||
+ | |||
+ | * **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 | | ||
+ | |||
+ | |||
+ | |||
+ | |||
+ | * **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. | ||