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event_filter [2018/02/01 13:46] pereira [Hodoscope packet] |
event_filter [2019/05/24 13:58] (current) pereira [OBJECT PIN packet] |
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====== S800 data format from Event Filter (S800 Filter) ====== | ====== S800 data format from Event Filter (S800 Filter) ====== | ||
- | This page describes the data format assembled | + | The purpose of the S800 filter is to parse data from the S800 Event Builder, and reformat them in separated data packets, with an [[#General packet structure|specific structure]]. |
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+ | Data from the S800 filter are encapsulated as Ring Items (RI) and, as such, will include a [[http:// | ||
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+ | |||
+ | This page describes the data format assembled | ||
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+ | |||
+ | |||
+ | ^ Body Length 1 ^ Body Length 2 ^ S800 Data Tag ^ S800 Data Version ^ Data Packet 1 ^ Data Packet 2 ^ ... | | ||
+ | |||
+ | * **Body Length 1**: Number of words in body (self inclusive) | ||
+ | * **Body Length 2**: Number of words in body - 1 (self-inclusive) | ||
+ | * **S800 Data Tag**: 0x5800 | ||
+ | * **S800 Data Version**: 0x0005 | ||
+ | |||
===== General packet structure ===== | ===== General packet structure ===== | ||
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^ A number from 2 to 10 ^^^^^^^^^^^^^^^| | ^ A number 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 | 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 | | ||
Line 467: | Line 483: | ||
* **Packet Length** (self-inclusive) | * **Packet Length** (self-inclusive) | ||
- | ^ | + | ^ |
- | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | | + | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 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 | | ||
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+ | ===== OBJECT PIN packet ===== | ||
+ | The OBJECT PIN packet includes the energy (encoded in the [[S800 USB DAQ data format#Tag 0x7167: Phillips 7164 ADC module for CRDC anodes (energies and TAC)|S800 Phillips 7164H ADC]] measured in the S800 OBJ PIN detector. Note that for most of the experiments, | ||
+ | |||
+ | |||
+ | |||
+ | * **Packet Length** (self-inclusive) | ||
+ | |||
+ | ^ Either 2 or 3 ^^^^^^^^^^^^^^^| | ||
+ | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | X | X | | ||
+ | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | |||
+ | |||
+ | * **Packet Tag** | ||
+ | |||
+ | ^ 0x58A0 | ||
+ | | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | | ||
+ | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | |||
+ | |||
+ | * **Energy** | ||
+ | The energy from the Phillips ADC is given by one word: | ||
+ | |||
+ | ^ ^^^ Ch ^ | ||
+ | | 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 Phillips ADC channel reserved for the PIN detector (0). The energy words is sent by the Filter as long as **energy** is greater than 0. | ||
+ | |||
+ | |||
+ | |||
+ | |||
+ | |||
+ | |||
+ | |||
+ | ===== Focal Plane PIN-stack packet ===== | ||
+ | In some experiments, | ||
+ | |||
+ | |||
+ | |||
+ | * **Packet Length** (self-inclusive) | ||
+ | |||
+ | ^ | ||
+ | | 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 | | ||
+ | |||
+ | |||
+ | * **Packet Tag** | ||
+ | |||
+ | ^ 0x5805 | ||
+ | | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | | ||
+ | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | |||
+ | |||
+ | * **Energies PINs** | ||
+ | The energy from each PIN detector encoded in the Phillips ADC is given by FIVE consecutive words with the following format: | ||
+ | |||
+ | ^ ^^^ Ch ^ | ||
+ | | 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 | | ||
+ | |||
+ | |||
+ | here **Ch** is the Phillips ADC channel reserved for each of the PIN detector (from 10 to 14). The energy words is sent by the Filter as long as **energy** is greater than 0. | ||
+ | |||
+ | |||
+ | |||
+ | |||
+ | |||
+ | |||
+ | |||
+ | ===== Galotte packet ===== | ||
+ | The Galotte packet includes up to five time signals from the Galotte detector. These times are encoded in the [[S800 USB DAQ data format#Tag 0x7186: Phillips 7186 TDC module for time-of-flights|Phillips TDC]]. Note that for most of the experiments, | ||
+ | |||
+ | |||
+ | |||
+ | * **Packet Length** (self-inclusive) | ||
+ | |||
+ | ^ A number from 2 to 7 ^^^^^^^^^^^^^^^| | ||
+ | | 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 | | ||
+ | |||
+ | |||
+ | * **Packet Tag** | ||
+ | |||
+ | ^ 0x58D0 | ||
+ | | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | | ||
+ | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | |||
+ | |||
+ | * **Time values** | ||
+ | The time information for each of the five detector channel is coded in words that look like: | ||
+ | |||
+ | ^ ^^^ Ch ^ time ^^^^^^^^^^^| | ||
+ | | 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** runs from 0 to 3. These words are sent by the Filter as long as **time** is greater than 0. | ||
+ | |||
+ | |||
+ | |||
+ | |||
+ | ===== LaBr packet ===== | ||
+ | The LaBr packet includes the energy (encoded in the [[S800 USB DAQ data format#Tag 0x4300: FERA module for plastic scintillator energies|FERA LeCroy module]]) and times (encoded in a Phillips TDC) from up to four LaBr detectors. | ||
+ | Note that although there is a specific EVB tag for that Phillips TDC (0x7187), this module is currently not included in the S800 electronics. As a result, the data packet is empty (i.e. it only includes the packet-length and packet tag). | ||
+ | |||
+ | |||
+ | |||
+ | * **Packet Length** (self-inclusive) | ||
+ | |||
+ | ^ A number from 2 to 10 ^^^^^^^^^^^^^^^| | ||
+ | | 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 | | ||
+ | |||
+ | |||
+ | * **Packet Tag** | ||
+ | |||
+ | ^ 0x58E0 | ||
+ | | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | | ||
+ | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | |||
+ | |||
+ | |||
+ | * **Energy and time values** | ||
+ | The energy (from the FERA module) and time (from the Phillips TDC) are given by two consecutive words for each LaBr: | ||
+ | |||
+ | ^ ^^^ Ch ^ ^ energy | ||
+ | | 0 | 0 | 0 | X | 0 | 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 | | ||
+ | |||
+ | |||
+ | ^ ^^^ Ch ^ time ^^^^^^^^^^^| | ||
+ | | 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** runs from 0 to 3. These words are sent by the Filter as long as **time** is greater than 0. | ||
===== Mesytec TDC (MTDC) packet ===== | ===== Mesytec TDC (MTDC) packet ===== | ||
The MTDC packet includes the multiple timing values [[S800 USB DAQ data format#Tag 0x0DDC: Mesytec MTDC-32 module |encoded in the Mesytec MTDC]]. The packet looks like: | The MTDC packet includes the multiple timing values [[S800 USB DAQ data format#Tag 0x0DDC: Mesytec MTDC-32 module |encoded in the Mesytec MTDC]]. The packet looks like: |