move temperature sensor code inside its own class

libraries/Tiny/TemperatureSensor.h

@@ -2,11 +2,11 @@
 
 #include <TinySensor.h>
 
-class TempSensor : public TinySensor {
+class TemperatureSensor : public TinySensor {
 	SensorType sensorType = TEMPERATURE;
 
 public:
-	TempSensor(short id) :
+	TemperatureSensor(short id) :
 		TinySensor(id) {
 	}
 

temp_sensor/include/TempSensor.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <TemperatureSensor.h>
+
+class TempSensor : public TemperatureSensor {
+public:
+    TempSensor(short id) :
+        TemperatureSensor(id) {
+    }
+
+    virtual void setup() = 0;
+    virtual int readTemp() = 0;
+};

temp_sensor/include/Tmp36Sensor.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include "TempSensor.h"
+
+#define TEMP_POSITIVE PIN_B3
+#define TEMP_PIN A2
+
+class Tmp36Sensor : public TempSensor {
+public:
+    Tmp36Sensor(short id) :
+        TempSensor(id) {
+    }
+
+    void setup() override {
+        analogReference(INTERNAL);
+        pinMode(TEMP_POSITIVE, OUTPUT);
+        digitalWrite(TEMP_POSITIVE, LOW);
+    }
+
+    int readTemp() override {
+        digitalWrite(TEMP_POSITIVE, HIGH);
+        delay(10);
+        int reading = analogRead(TEMP_PIN);
+        digitalWrite(TEMP_POSITIVE, LOW);
+
+        float voltage = reading * (1100 / 1024.0);
+        float temperatureC = (voltage - 500) / 10;
+        return roundf(temperatureC * 10);
+    }
+};

temp_sensor/src/temp_sensor.cpp

@@ -1,5 +1,5 @@
 #include <Arduino.h>
-#include <TempSensor.h>
+#include "Tmp36Sensor.h"
 #include <TinyPower.h>
 #include <SoftwareSerial_Tiny.h>
 
@@ -7,21 +7,17 @@
 #define SEND_VCC_INTERVAL (int)(60*60/8)
 
 // Pins
-#define TEMP_POSITIVE PIN_B3
 #define SENDER PIN_B2
-#define TEMP_PIN A2
 
 int readTemp();
 
-TempSensor sensor = TempSensor(TEMP_SENSOR);
+TempSensor &sensor = *(new Tmp36Sensor(TEMP_SENSOR));
 
 volatile int counter = 0;
 
 void setup() {
 
-	analogReference(INTERNAL);
-	pinMode(TEMP_POSITIVE, OUTPUT);
-	digitalWrite(TEMP_POSITIVE, LOW);
+	sensor.setup();
 
 	TinySwitch::setup(SENDER);
 	TinyPower::setup();
@@ -30,25 +26,14 @@ void setup() {
 
 void loop() {
 	if (counter % SEND_VCC_INTERVAL == 0) {
-		sensor.sendTempAndVoltage(readTemp());
+		sensor.sendTempAndVoltage(sensor.readTemp());
 		counter = 0;
 	} else if (counter % SEND_INTERVAL == 0) {
-		sensor.sendTemp(readTemp());
+		sensor.sendTemp(sensor.readTemp());
 	}
 	TinyPower::sleep();
 }
 
-int readTemp() {
-	digitalWrite(TEMP_POSITIVE, HIGH);
-	delay(10);
-	int reading = analogRead(TEMP_PIN);
-	digitalWrite(TEMP_POSITIVE, LOW);
-
-	float voltage = reading * (1100 / 1024.0);
-	float temperatureC = (voltage - 500) / 10;
-	return roundf(temperatureC * 10);
-}
-
 ISR(PCINT0_vect) {
 }