Counter Alarm Sample¶
This sample provides an example of alarm application using counter API. It sets an alarm with an initial delay of 2 seconds. At each alarm expiry, a new alarm is configured with a delay multiplied by 2.
This sample requires the support of a timer IP compatible with alarm setting.
Building and Running¶
cd $ZEPHYR_BASE/samples/counter/alarm mkdir build && cd build cmake -GNinja -DBOARD=disco_l475_iot1 .. ninja run
Counter alarm sample Set alarm in 2 sec !!! Alarm !!! Now: 2 Set alarm in 4 sec !!! Alarm !!! Now: 6 Set alarm in 8 sec !!! Alarm !!! Now: 14 Set alarm in 16 sec !!! Alarm !!! Now: 30 <repeats endlessly>