>Unless I missed something, the RTC raises the IRQ when the fraction of a >second is 0.5 NOT when it is 0. > >Or is something perhaps delaying the IRQ by 500 ms every time? > >In other words, when I receive the IRQ, and the RTC tells me the date, >it is, in fact, 500 ms later than this date?
It sounds like you are interrupting on the wrong edge of the signal. Can you easily change the interrupt setup code to try the other edge? -- These are my opinions, not necessarily my employer's. I hate spam. _______________________________________________ questions mailing list [email protected] https://lists.ntp.org/mailman/listinfo/questions
