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I just updated the 'tprtrig' application in the lcls2 repo.
You can get it to trigger the EVR on a DAQ partition like so:
$ tprtrig -t a -c 0 -o 1 -d 2 -w 10 -p 4
programs EVR /dev/tpra (-t a) to generate a TTL trigger using logic channel 0 (-c 0) on output 0 (-o 1 [bit mask]) with delay of 2 119MHz clocks (-d 2) and width 10 119 MHz clocks (-w 10) for every L1Accept on partition 4 (-p 4). |
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Generate 1Hz triggers on output 0 with a width of 54 nanoseconds.
$ lcls2-git/psdaq/build/psdaq/app/tprtrig -t a -c 0 -o 1 -d 1 -w 10 -r 6 |
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