#include <Arduino.h>
#include <TinyPower.h>
#include "ContactSensor.h"

#define MINUTES(value)		(uint16_t)(value*60/8)	// minutes*60(seconds)/8s(WDT)
#define HOURS(value)		(uint16_t)(MINUTES(value)*60)

#define SEND_INTERVAL		MINUTES(2)
#define SEND_VCC_INTERVAL	HOURS(6)

// Pins
#define SENDER_PIN PIN_B2

volatile uint16_t counter = 0;
ContactSensor sensor(PRESENCE_SENSOR);

void setup() {

	TinySwitch::setup(SENDER_PIN);
	TinyPower::setup();
	TinyPower::enableWdt(WDTO_8S);
}

void loop() {
	if (counter == 0) {
		sensor.sendStateAndVoltage(false);
	} else if (counter % SEND_INTERVAL == 0) {
		sensor.sendState(false);
	}
	TinyPower::sleep();
}

ISR(WDT_vect) {
	if (++counter % SEND_VCC_INTERVAL == 0) {
		counter = 0;
	}
}