Making water flow meter to use detector interface, it looks like suit…

…s well to this purpose since it produces pulses

dev/iface.go

@@ -164,7 +164,3 @@ type Wireless interface {
 	Wakeup()
 	Close() error
 }
-
-type FlowSensor interface {
-	Flowing() bool
-}

dev/water_flow_meter.go

@@ -2,20 +2,20 @@ package dev
 
 import "github.com/stianeikeland/go-rpio/v4"
 
-// WaterFlowSensor implements FlowSensor interface
-type WaterFlowSensor struct {
+// WaterFlowMeter implements Detector interface
+type WaterFlowMeter struct {
 	pin rpio.Pin
 }
 
 // NewWaterFlowMeter ...
-func NewWaterFlowSensor(pin uint8) *WaterFlowSensor {
-	w := &WaterFlowSensor{
+func NewWaterFlowMeter(pin uint8) *WaterFlowMeter {
+	w := &WaterFlowMeter{
 		pin: rpio.Pin(pin),
 	}
 	w.pin.Input()
 	return w
 }
 
-func (w *WaterFlowSensor) Flowing() bool {
+func (w *WaterFlowMeter) Detected() bool {
 	return w.pin.Read() == rpio.High
 }

example/water_flow_sensor/main.go

@@ -10,11 +10,11 @@ import (
 const pulsesPerLiter float32 = 450
 
 func main() {
-	w := dev.NewWaterFlowSensor(17)
+	w := dev.NewWaterFlowMeter(17)
 	var numberOfPulsesCounted int = 0
 
 	for {
-		if w.Flowing() {
+		if w.Detected() {
 			numberOfPulsesCounted++
 			fmt.Printf("MiliLiters Flowed: %f", (float32(1000*numberOfPulsesCounted) / pulsesPerLiter))
 			continue