Kees Bakker d9e0c6c859 sys/arduino: use 64bit usec to compute millis()
This is quick solution to avoid wrapping around after 4294967 milliseconds.
It uses xtimer_now_usec64 instead of xtimer_now_usec.

Notice that this is more expansive than the previous solution, especially
on AVR systems.
2019-09-19 19:52:43 +02:00
..