read temp - first draft

.gitignore

@@ -4,3 +4,4 @@
 .cproject
 .ino*
 Release/
+Prototype/

libraries/Tiny/ContactSensor.h

@@ -1,21 +1,13 @@
 #pragma once
 
+#include <TinySensor.h>
 #include <RCSwitch.h>
 
-class ContactSensor {
-	short id;
-	short senderPin;
-	RCSwitch mySwitch = RCSwitch();
+class ContactSensor: public TinySensor {
 
 public:
-	ContactSensor(short id, short senderPin) {
-		this->id = id;
-		this->senderPin = senderPin;
-	}
-
-	void setup() {
-		mySwitch.enableTransmit(senderPin);
-		mySwitch.setProtocol(2);
+	ContactSensor(short id, short senderPin) :
+			TinySensor(id, senderPin) {
 	}
 
 	void sendStateAndVoltage(bool state) {
@@ -23,33 +15,6 @@ public:
 		value |= readVcc() << 6;
 		value |= !state << 5;
 		value |= id;
-		mySwitch.send(value, 32);
-	}
-
-	long readVcc() {
-		// Read 1.1V reference against AVcc
-		// set the reference to Vcc and the measurement to the internal 1.1V reference
-#if defined(__AVR_ATmega32U4__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
-		ADMUX = _BV(REFS0) | _BV(MUX4) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
-#elif defined (__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__)
-		ADMUX = _BV(MUX5) | _BV(MUX0);
-#elif defined (__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
-		ADMUX = _BV(MUX3) | _BV(MUX2);
-#else
-		ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
-#endif
-
-		delay(2); // Wait for Vref to settle
-		ADCSRA |= _BV(ADSC); // Start conversion
-		while (bit_is_set(ADCSRA, ADSC))
-			; // measuring
-
-		uint8_t low = ADCL; // must read ADCL first - it then locks ADCH
-		uint8_t high = ADCH; // unlocks both
-
-		long result = (high << 8) | low;
-
-		result = 1125300L / result; // Calculate Vcc (in mV); 1125300 = 1.1*1023*1000
-		return result; // Vcc in millivolts
+		sendInfo(value);
 	}
 };

libraries/Tiny/TempSensor.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include <TinySensor.h>
+#include <RCSwitch.h>
+
+class TempSensor: public TinySensor {
+
+public:
+	TempSensor(short id, short senderPin) :
+			TinySensor(id, senderPin) {
+	}
+
+	unsigned long sendTempAndVoltage(int temp) {
+		unsigned long value = ID(id) | VCC(readVcc()) | TEMP(temp) | TYPE(6);
+		sendInfo(value);
+		return value;
+	}
+};

libraries/Tiny/Tiny.h

@@ -1,4 +1,4 @@
 #pragma once
 
 #include <ContactSensor.h>
-
+#include <TempSensor.h>

libraries/Tiny/TinySensor.h

@@ -0,0 +1,64 @@
+#pragma once
+
+#include <RCSwitch.h>
+
+#define ID(value) (value & 0x1F)
+#define STATE(value) ((value & 0x1) << 5)
+#define VCC(value) ((value & 0x1FFF) << 6)
+#define TEMP(value) (((unsigned long)value & 0x1FF) << 19)
+#define TYPE(value) (((unsigned long)value & 0xF) << 28)
+//#define ID(value, id) ((value & 0xFFFFFFE0) | id)
+//#define STATE(value, state) ((value & 0xFFFFFFDF) | state)
+//#define VCC(value, vcc) ((value & 0xFFF0003F) | vcc)
+//#define TEMP(value, temp) ((value & 0xF00FFFFF) | temp)
+//#define TYPE(value, type) ((value & 0x0FFFFFFF) | type)
+
+
+class TinySensor {
+protected:
+	short id;
+	short senderPin;
+	RCSwitch mySwitch = RCSwitch();
+
+	long readVcc() {
+		// Read 1.1V reference against AVcc
+		// set the reference to Vcc and the measurement to the internal 1.1V reference
+#if defined(__AVR_ATmega32U4__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+		ADMUX = _BV(REFS0) | _BV(MUX4) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
+#elif defined (__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__)
+		ADMUX = _BV(MUX5) | _BV(MUX0);
+#elif defined (__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__)
+		ADMUX = _BV(MUX3) | _BV(MUX2);
+#else
+		ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);
+#endif
+
+		delay(2); // Wait for Vref to settle
+		ADCSRA |= _BV(ADSC); // Start conversion
+		while (bit_is_set(ADCSRA, ADSC))
+			; // measuring
+
+		uint8_t low = ADCL; // must read ADCL first - it then locks ADCH
+		uint8_t high = ADCH; // unlocks both
+
+		long result = (high << 8) | low;
+
+		result = 1125300L / result; // Calculate Vcc (in mV); 1125300 = 1.1*1023*1000
+		return result; // Vcc in millivolts
+	}
+
+	void sendInfo(unsigned long value) {
+		mySwitch.send(value, 32);
+	}
+
+public:
+	TinySensor(short id, short senderPin) {
+		this->id = id;
+		this->senderPin = senderPin;
+	}
+
+	void setup() {
+		mySwitch.enableTransmit(senderPin);
+		mySwitch.setProtocol(2);
+	}
+};

temp_sensor/temp_sensor.ino

@@ -0,0 +1,62 @@
+#include "Arduino.h"
+#include <Tiny.h>
+
+// Pins
+#define SENDER 2
+#define TEMP_PIN 3
+
+#define SENSOR_ID 4
+
+TempSensor sensor = TempSensor(SENSOR_ID, SENDER);
+
+int counter = 0;
+
+void setup() {
+
+	Serial.begin(9600);
+
+	sensor.setup();
+
+//  TinyPower::setup();
+//  TinyPower::enableWdt(WDTO_8S);
+}
+
+void loop() {
+//  TinyPower::sleep();
+	unsigned long value = sensor.sendTempAndVoltage(readTemp());
+	Serial.println(value);
+	delay(5000);
+}
+
+int readTemp() {
+	int reading = analogRead(TEMP_PIN);
+
+	// converting that reading to voltage, for 3.3v arduino use 3.3
+	float voltage = reading * 5.0;
+	voltage /= 1024.0;
+
+	// print out the voltage
+	Serial.print(voltage);
+	Serial.println(" volts");
+
+	// now print out the temperature
+	float temperatureC = (voltage - 0.5) * 100; //converting from 10 mv per degree wit 500 mV offset
+												//to degrees ((voltage - 500mV) times 100)
+	Serial.print(temperatureC);
+	Serial.println(" degrees C");
+	return roundf(temperatureC*10);
+}
+
+ISR(PCINT0_vect) {
+	sensor.sendTempAndVoltage(readTemp());
+	delay(5000);
+	sensor.sendTempAndVoltage(readTemp());
+}
+
+ISR(WDT_vect) {
+	counter++;
+	if (counter % 220 == 0) {
+		counter = 0;
+		sensor.sendTempAndVoltage(readTemp());
+	}
+}