event_filter
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event_filter [2015/10/31 13:29] pereira [TPPACs packet] |
event_filter [2015/10/31 17:02] pereira [TPPACs packet] |
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| | 0 | 0 | 0 | 0 | X | X | X | X | X | X | X | X | X | X | X | X | | | 0 | 0 | 0 | 0 | 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 | | ||
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| + | ==== Hodoscope packet ==== | ||
| + | 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]]. | ||
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| + | Each of the two first packets look like: | ||
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| + | * **Packet Length** (self-inclusive) | ||
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| + | ^ A number from 5 to 325 ^^^^^^^^^^^^^^^| | ||
| + | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | | ||
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| + | * **Packet Tag** | ||
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| + | ^ 0x58B0 | ||
| + | | 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 | | ||
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| + | * **Hodoscope Sub-packet " | ||
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| + | ^ 0x0000 or 0x0001 | ||
| + | | 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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| + | where 0x0000 labels the energy sub-packet of the first group of crystals from 1 to 16, and 0x00001 labels the second group of crystals from 17 to 32. | ||
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| The **connector** number is defined between 0 and 3, and it is related to the pad number (**pad**). The value 0 refers to the first 64 pads, and correspond to the strips in the dispersive direction of the first TPPAC. The value 1 is for pads between 63 and 127, and includes the strips in the non-dispersive direction of the first TPPAC. The value 2 corresponds to pads between 128 and 191, which are associated to the strips in the dispersive direction of the second TPPAC. Finally, the value 3 corresponds to pads between 191 to 256, and covers the strips in the non-dispersive direction of the second TPPAC. | The **connector** number is defined between 0 and 3, and it is related to the pad number (**pad**). The value 0 refers to the first 64 pads, and correspond to the strips in the dispersive direction of the first TPPAC. The value 1 is for pads between 63 and 127, and includes the strips in the non-dispersive direction of the first TPPAC. The value 2 corresponds to pads between 128 and 191, which are associated to the strips in the dispersive direction of the second TPPAC. Finally, the value 3 corresponds to pads between 191 to 256, and covers the strips in the non-dispersive direction of the second TPPAC. | ||
| - | The value of *pad* is given by **index** + **connector** x 64, where **index** is depends on the value of **channel** and **connector** according to the table below, where the second column shows the index values for **connector**=0 or 2, and the third column corresponds to the index values for **connector**=1 or 3: | + | The value of **pad** is given by **index** + **connector** x 64, where **index** is depends on the value of **channel** and **connector** according to the table below, where the second column shows the index values for **connector**=0 or 2, and the third column corresponds to the index values for **connector**=1 or 3: |
| - | ^ channel | + | ^channel^index^index| |
| |0|30|0| | |0|30|0| | ||
| |1|31|1| | |1|31|1| | ||
event_filter.txt ยท Last modified: 2019/05/24 13:58 by pereira
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