event_filter
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event_filter [2015/10/30 17:02] pereira [CRDC packets] |
event_filter [2015/10/30 17:55] pereira [CRDC packets] |
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| * **Packet Length** (self-inclusive) | * **Packet Length** (self-inclusive) | ||
| - | ^ A number from 4 to 18 | + | ^ A number 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 | | ||
| Line 308: | Line 308: | ||
| * **CRDC label** | * **CRDC label** | ||
| - | ^ | + | ^ |
| | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | X | | | 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 | | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
| + | |||
| + | where 0x0000 and 0x0001 identify CRDC1 and CRDC2, respectively. | ||
| Line 330: | Line 332: | ||
| + | * **Dummy word** | ||
| + | ^ 0x0000 | ||
| + | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | ||
| + | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | | ||
| + | This word is reserved for a global threshold, which is no longer used. | ||
| - | CRDC Sub-packet " | ||
| - | * **Energy values** | + | * **Samples sub-packets** |
| - | The energy (from the Phillips 7164H ADC module) is given by a series of words that look like: | + | The Filter sends a series of sample sub-packets. Each sub-packet consists of two parts: 1) one 16-bit word with information about the sample number (**sample**): |
| - | ^ ^^^ Ch ^ energy | + | ^ |
| - | | 0 | 0 | 0 | X | X | X | X | X | X | X | X | X | X | X | X | X | | + | | 1 | 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 | | ||
| + | |||
| + | and 2) four 16-bit words, each with energy information a pad: | ||
| + | |||
| + | ^ control bit ^ empty ^^^ connector 0 ^^ energy | ||
| + | | 0 | 0 | 0 | 0 | 0 | 0 | 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 | | ||
| + | |||
| + | |||
| + | ^ control bit ^ empty ^^^ connector 1 ^^ energy | ||
| + | | 0 | 0 | 0 | 0 | 0 | 1 | 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 | | ||
| + | |||
| + | |||
| + | ^ control bit ^ empty ^^^ connector 2 ^^ energy | ||
| + | | 0 | 0 | 0 | 0 | 1 | 0 | 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 | | ||
| + | |||
| + | |||
| + | ^ control bit ^ empty ^^^ connector 3 ^^ energy | ||
| + | | 0 | 0 | 0 | 0 | 1 | 1 | 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 | | ||
| + | |||
| + | |||
| + | The connector number (**connector**) is related to pad number (**pad**) according to: **pad** = **channel** + **connector** x 64 (where **channel** is given by the first word of the sample sub-packet). | ||
| + | |||
| + | |||
| + | |||
event_filter.txt · Last modified: 2019/05/24 13:58 by pereira
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