RE: NRF52840 Timer channels with different periods.

Curiosus — Thu, 01 Sep 2022 20:36:35 GMT

[quote userid="15146" url="~/f/nordic-q-a/91552/nrf52840-timer-channels-with-different-periods/384323"] nrfx_timer_clear()[/quote]

That is it , thanks for the quick response !

RE: NRF52840 Timer channels with different periods.

Sigurd — Thu, 01 Sep 2022 11:54:55 GMT

Hi,

When you get the last interrupt, call nrfx_timer_clear(), the timer will then 'restart' from the begin,

Alternatively, when you set up the last compare interrupt, use the function nrfx_timer_extended_compare() with a 'short mask' between the compare and the clear timer task

nrfx_timer_extended_compare(&timer,
NRF_TIMER_CC_CHANNEL2,
nrfx_timer_ms_to_ticks(&timer, delay_ms),
NRF_TIMER_SHORT_COMPARE2_CLEAR_MASK, //Shortcut for clearing the timer based on compare 2.
true);