current revision

sensors/StepSensor.h

@@ -13,15 +13,18 @@ struct StepData {
 /**
  * step-sensor detects steps from the accelerometer
  */
-class StepSensor : public SensorListener<AccelerometerData>, public Sensor<StepData> {
+class StepSensor :
+		public SensorListener<AccelerometerData>,		// << takes
+		public Sensor<StepData> {						// << provides
 
 private:
 
+	AccelerometerSensor& acc;
 	StepDetection sd;
 
 public:
 
-	StepSensor(AccelerometerSensor& acc) {
+	StepSensor(AccelerometerSensor& acc) : acc(acc) {
 		acc.addListener(this);
 	}
 
@@ -33,6 +36,10 @@ public:
 		//
 	}
 
+	bool isRunning() const override {
+		return acc.isRunning();
+	}
+
 	virtual void onSensorData(Sensor<AccelerometerData>* sensor, const Timestamp ts, const AccelerometerData& data) override {
 		(void) sensor;
 		const bool step = sd.add(ts, data);