Differences

This shows you the differences between two versions of the page.

--- event_filter [2015/10/30 17:20]
pereira [CRDC packets]
+++ event_filter [2015/10/30 17:43]
pereira [CRDC packets]
@@ Line 293: / Line 293: @@
   * **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 |
 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
@@ Line 342: / Line 342: @@
-  * **Energy values**
+  * **Samples "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 "packets". Each "packet" consists of 1) one 16-bit word with information about the sample number:
-^  ^^^ Ch ^ energy  ^^^^^^^^^^^|
+^  control bit  ^   sample number   ^^^^^^^^   channel number  ^^^^^^|
-| 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 |
+and 2) four 16-bit words, each with energy information from a pad.
+^  control bit  ^    ^^^ connector ^^ 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 |

S800 Documentation