movement: allow watch faces to request zero ticks

2021-12-03 11:30:36 -05:00
parent b8c824419f
commit 8e2bf8591a
3 changed files with 4 additions and 3 deletions
--- a/movement/movement.c
+++ b/movement/movement.c
@@ -104,7 +104,7 @@ void movement_request_tick_frequency(uint8_t freq) {
    RTC->MODE2.INTENCLR.reg = 0xFE; // disable all callbacks except the 128 Hz one
    movement_state.subsecond = 0;
    movement_state.tick_frequency = freq;
-    watch_rtc_register_periodic_callback(cb_tick, freq);
+    if (freq) watch_rtc_register_periodic_callback(cb_tick, freq);
 }

 void movement_illuminate_led() {