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event_filter [2016/03/16 15:31] pereira |
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) ====== | ||
+ | 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]]. | ||
+ | |||
+ | |||
+ | Data from the S800 filter are encapsulated as Ring Items (RI) and, as such, will include a [[http:// | ||
+ | |||
+ | |||
+ | This page describes the data format assembled in the __Body__ of the S800 Filter RI. The data is written in a series of 16-bit unsigned integers, subsequently referred to as '' | ||
+ | |||
+ | |||
+ | |||
+ | ^ 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 ===== | ||
+ | All data is written using the concept of " | ||
+ | |||
+ | ^ Length ^ Packet Tag ^ Packet Data | | ||
+ | |||
+ | Length: a count of the number of words in the packet, inclusive of the length word itself | ||
+ | |||
+ | Packet Tag: a predefined integer indicating the type of data found in the Packet Data | ||
+ | |||
+ | Packet Data: the data themselves. These can be data read from the modules or a sub packet. Sub packets have identical structure to main packets. Using this format all data can be placed in nested packets, and coding decisions on how to unpack the Packet Data can be made by examination of the preceding Packet Tag. Packets (including sub packets) can also be skipped by jumping ahead Length words in the buffer. | ||
+ | |||
- | The trigger bits words indicates which bits were set during the event. The encoding of the bits is the following: | ||
In this section, each 16-bit word sent by the Filter is described by a 16x3-table diagram. The first row includes the value, either in decimal or hexadecimal format, or a descriptive note. The second row shows the value in binary (" | In this section, each 16-bit word sent by the Filter is described by a 16x3-table diagram. The first row includes the value, either in decimal or hexadecimal format, or a descriptive note. The second row shows the value in binary (" | ||
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- | ==== Time-stamp packet ==== | + | |
+ | ===== Time-stamp packet | ||
The timestamp is encoded in the [[S800 USB DAQ data format#Tag 0x5803: XLM72 time stamp module|XLMV72 time-stamp module]] for each event as a 64-bit word. The Event Filter parses it as a set of four consecutive 16-bit words. | The timestamp is encoded in the [[S800 USB DAQ data format#Tag 0x5803: XLM72 time stamp module|XLMV72 time-stamp module]] for each event as a 64-bit word. The Event Filter parses it as a set of four consecutive 16-bit words. | ||
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* **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 | 0 | 1 | | ||
| 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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- | ==== Event-number packet ==== | + | ===== Event-number packet |
The event-number is given by the VMUSB scaler channels as a 48-bit word coded in two 32-bit words. The Event Filter parses it and re-formats it as a three 16-bit words. | The event-number is given by the VMUSB scaler channels as a 48-bit word coded in two 32-bit words. The Event Filter parses it and re-formats it as a three 16-bit words. | ||
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* **Packet Length** (self-inclusive) | * **Packet Length** (self-inclusive) | ||
- | ^ | + | ^ |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 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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- | ==== Trigger packet ==== | + | ===== Trigger packet |
The trigger packet includes a bit-pattern word (encoded | The trigger packet includes a bit-pattern word (encoded | ||
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- | ==== Time-of-flight packet ==== | + | ===== Time-of-flight packet |
The time-of-flight packet includes all the timing values encoded in the [[S800 USB DAQ data format#Tag 0x7186: Phillips 7186 TDC module for time-of-flights|Phillips TDC]] and the XFP-FP and OBJ-FP ToF from the ORTEC TACs encoded in the [[S800 USB DAQ data format#Tag 0x7167: Phillips 7164 ADC module for CRDC anodes (energies and TAC)|S800 Phillips 7164H ADC]]. | The time-of-flight packet includes all the timing values encoded in the [[S800 USB DAQ data format#Tag 0x7186: Phillips 7186 TDC module for time-of-flights|Phillips TDC]] and the XFP-FP and OBJ-FP ToF from the ORTEC TACs encoded in the [[S800 USB DAQ data format#Tag 0x7167: Phillips 7164 ADC module for CRDC anodes (energies and TAC)|S800 Phillips 7164H ADC]]. | ||
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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 | | ||
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- | ==== Scintillator packet ==== | + | ===== Scintillator packet |
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: Phillips 7186 TDC module for time-of-flights|Phillips TDC]]) of the [[Detectors# | 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: Phillips 7186 TDC module for time-of-flights|Phillips TDC]]) of the [[Detectors# | ||
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- | ==== Ion-Chamber packet ==== | + | ===== Ion-Chamber packet |
The Ion-chamber packet includes the energies of the [[Detectors# | The Ion-chamber packet includes the energies of the [[Detectors# | ||
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* **Packet Length** (self-inclusive) | * **Packet Length** (self-inclusive) | ||
- | ^ A number from 4 to 18 | + | ^ A number from 4 to 20 |
| 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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- | * **Sub-packet " | + | * **Sub-packet " |
- | ^ | + | ^ A number from 2 to 18 |
- | | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | | + | | 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 | | ||
- | * **Sub-packet " | + | * **Sub-packet " |
- | ^ A number from 2 to 16 | + | ^ |
- | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | X | X | X | X | X | | + | | 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 | | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
+ | |||
+ | |||
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- | ==== CRDC packets ==== | + | ===== 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: | 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: | ||
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- | ==== Hodoscope packet ==== | + | ===== Hodoscope packet |
The Filter parses the [[Detectors# | The Filter parses the [[Detectors# | ||
[[S800 USB DAQ data format#Tag 0x7165: Phillips 7164 ADC module for hodoscope energies 0 through 15|Phillips 7164 ADCs]] and re-formats the data in three packets, two with the energies of the two groups crystals (from 1 to 16 and from 17 to 32), and the third one with the hit pattern recorded in the [[S800 USB DAQ data format#Tag 0x4448: LeCroy4448 coincidence register module for hodoscope hit pattern|LeCroy 4448 coincidence-register module]]. | [[S800 USB DAQ data format#Tag 0x7165: Phillips 7164 ADC module for hodoscope energies 0 through 15|Phillips 7164 ADCs]] and re-formats the data in three packets, two with the energies of the two groups crystals (from 1 to 16 and from 17 to 32), and the third one with the hit pattern recorded in the [[S800 USB DAQ data format#Tag 0x4448: LeCroy4448 coincidence register module for hodoscope hit pattern|LeCroy 4448 coincidence-register module]]. | ||
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* **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 | | ||
Line 462: | Line 493: | ||
| 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | | | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 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 | | ||
+ | |||
+ | |||
+ | |||
+ | * **Hodoscope Sub-packet " | ||
+ | |||
+ | |||
+ | ^ 0x0002 | ||
+ | | 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 | | ||
+ | |||
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- | ==== TPPACs packet ==== | + | ===== TPPACs packet |
The Filter parses and re-formats information from the [[Detectors# | The Filter parses and re-formats information from the [[Detectors# | ||
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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, | ||
+ | |||
- | ==== Mesytec TDC (MTDC) packet ==== | + | * **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 | ||
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: | ||
Line 633: | Line 808: | ||
* **Packet Tag** | * **Packet Tag** | ||
- | ^ | + | ^ |
| 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | | | 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 | | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
Line 651: | Line 826: | ||
| X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | X | | | X | 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 | | ||
+ | |||
+ | |||
+ | |||
+ | |||
+ | |||
+ | |||
+ | |||
+ | |||
+ | |||