[Elphel-support] Elphel NC353L-369 Master -> Slave external triggering

Oleg support-list at support.elphel.com
Mon Apr 20 12:39:16 PDT 2015


Hi Jan,


> In the second case TRIG is still 0, because as soon as I set that it stops
> responding.
>
That's what happens when you set up external triggering but the signals are
not received for some reason.

Another way to test your cable would be trying the following settings:
Master Camera:

> TRIG_PERIOD=38400000
> TRIG_OUT=0x800000 (send trigger signals to J15)
> TRIG_CONDITION=0x200000 (trigger source - J15)
> TRIG=0x4


1. The order of applying TRIG and TRIG_CONDITION doesn't matter. If trigger
signal is not generated then the camera will stop responding after applying
the last parameter of these two.

2. If the Master camera doesn't stop responding then the cable and the port
are ok.

3. The Slave camera can have exactly the same settings - so, you can test
it in the Master mode as well - which only depends on the end of the sync
cable plugged in.

What results are you getting?

Best regards,
Oleg Dzhimiev
Electronics Engineer
phone: +1 801 783 5555 x124
Elphel, Inc.
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