[time-nuts] TruePosition and Arduino Progress

Mark Sims holrum at hotmail.com
Sun May 21 15:09:07 UTC 2017


The 1PPS pulse is very narrow.  You will miss it if it comes in while parsing a time message.  You need to set up an interrupt handler to that triggers on the rising edge of the pulse and sets a flag (which must be declared "volatile").  Check that flag in your loop() instead of waiting for a PPS pulse.  If set, display the time and clear the flag.



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