[LinuxPPS] GPIO PPS Generator

Drasko DRASKOVIC drasko.draskovic at gmail.com
Fri May 17 15:20:32 CEST 2013


Hi all,
I'd like to test time synchronization of my two embedded systems
(Pandaboards). I thought connecting two Oscilloscope channels to the
GPIOs and use PPS to pules the GPIO.

I have several questions :

1) Is there a GPIO PPS enerator support in the kernel. I can see only
the one that uses Parallel port

2) Would GPIO interruption introduce too big jitter for
synchronization to be tested this way.

Best regards,
Drasko



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