Hi all,
I need some clues on the Linux PPS subsystem.
I am trying to take some timestamps of events on a GPIO using an ARM
SBC, and noticed that the kernel linux can be interfaced to a PPS
signal, wanted to sync another GPIO to a GPS receiver for time
reference. I need to know how much precise this system can be. How much
resolution can I obtain with a cheap receiver (maximum quantization
frequency)?
Formulas are well accepted.
Thanks,
Ilia.
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