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event_filter [2015/10/30 18:45]
pereira [CRDC packets] 		event_filter [2015/10/31 11:34]
pereira [CRDC packets]
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 The trigger bits words indicates which bits were set during the event. The encoding of the bits is the following: The trigger bits words indicates which bits were set during the event. The encoding of the bits is the following:
  
-In this section, the following diagram will be used to describe a 16-bit word sent by the Filter. The first row includes the value, either in decimal or hexadecimal format, or a descriptive note. The second row shows the value in binary ("X"s are used to describe arbitrary values that vary from event to event). The last row shows the bit number. +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 ("X"s are used to describe arbitrary values that vary from event to event). The last row shows the bit number. 
  
  
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   * **Sub-packet "Energy" Length** (self-inclusive)   * **Sub-packet "Energy" Length** (self-inclusive)
  
-^    from 2 to 16    ^^^^^^^^^^^^^^^|+^   A number from 2 to 16    ^^^^^^^^^^^^^^^|
 | 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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 The energy (from the Phillips 7164H ADC module) is given by a series of words that look like:  The energy (from the Phillips 7164H ADC module) is given by a series of words that look like: 
  
-^  ^^^ Ch ^ energy  ^^^^^^^^^^^|+^  ^^^ Ch ^   energy   ^^^^^^^^^^^|
 | 0 | 0 | 0 | X | X | X | X | X | X | X | X | X | X | X | X | X | | 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 | | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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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 318: Line 318:
   * **CRDC Sub-packet "Raw" Length** (self-inclusive)   * **CRDC Sub-packet "Raw" Length** (self-inclusive)
  
-^    from 2 to 16    ^^^^^^^^^^^^^^^|+^   A number from 2 to 16    ^^^^^^^^^^^^^^^|
 | 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 332: Line 332:
  
  
-  * **Dummy word** +  * **Global threshold** 
  
 ^    0x0000    ^^^^^^^^^^^^^^^| ^    0x0000    ^^^^^^^^^^^^^^^|
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 | 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 |
  
-This word is reserved for a global threshold, which is no longer used.+This word is reserved for a global threshold; it is no longer used, so it is set to 0 
  
  
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 | 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 |
  
 +
 +
 +
 +  * **Energy from Anode**
 +The anode 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]]) is given by: 
 +
 +^  empty  ^^^^   energy   ^^^^^^^^^^^|
 +| 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 |
 +
 +
 +
 +  * **Time from Anode**
 +The anode time (from an ORTEC TAC encoded in the [[S800 USB DAQ data format#Tag 0x7167: Phillips 7164 ADC module for CRDC anodes (energies and TAC)|S800 Phillips 7164H ADC]]) is given by: 
 +
 +^  empty ^^^^   energy   ^^^^^^^^^^^|
 +| 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 |
  
  
event_filter.txt ยท Last modified: 2019/05/24 13:58 by pereira

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