chore: reduce logging

core/loadpoint.go

@@ -1792,9 +1792,11 @@ func (lp *Loadpoint) startWakeUpTimer() {
 
 // stopWakeUpTimer stops wakeUpTimer
 func (lp *Loadpoint) stopWakeUpTimer() {
+	if lp.wakeUpTimer.Running() {
 		lp.log.DEBUG.Printf("wake-up timer: stop")
 		lp.wakeUpTimer.Stop()
 	}
+}
 
 func (lp *Loadpoint) shouldBeConsistent() bool {
 	return lp.chargerUpdateCompleted() && lp.phaseSwitchCompleted()

core/timer.go

@@ -57,6 +57,13 @@ func (m *Timer) Stop() {
 	m.started = time.Time{}
 }
 
+func (m *Timer) Running() bool {
+	m.Lock()
+	defer m.Unlock()
+
+	return !m.started.IsZero()
+}
+
 // Elapsed checks if the timer has elapsed and if resets its status
 func (m *Timer) Elapsed() WakeUpEvent {
 	m.Lock()