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//Program to 

// This #include statement was automatically added by the Particle IDE.

#include 



// DHT parameters

#define DHTPIN A0

#define DHTTYPE DHT11


// Variables

int temperature;

int humidity;

int light;

int motion;

int ultraviolet;

int light_sensor_pin = A1;

int uv = A3;

int pos = 0;

// Pins

int Device0 = D0;

int Device1 = D1;

int Device2 = D2;

int Device3 = D3;

// DHT sensor

DHT dht(DHTPIN, DHTTYPE);


// publishjson.ino -- Spark Publishing Example 

unsigned long lastTime = 0UL;

char publishString[64];


void setup() {

    Serial1.begin(9600);

    pinMode(Device0,OUTPUT);

    pinMode(Device1,OUTPUT);

    pinMode(Device2,OUTPUT);

    pinMode(Device3,OUTPUT);

    digitalWrite(Device0,LOW);

    digitalWrite(Device1,LOW);

    digitalWrite(Device2,LOW);

    digitalWrite(Device3,LOW);

    dht.begin();

    Particle.function("setpos", setPosition);

    Particle.variable("getpos", &pos, INT);

}


void loop() {

  

   // Temperature measurement

    temperature = dht.getTempCelcius();

    

    // Humidity measurement

    humidity = dht.getHumidity();

    

    // Light level measurement

    float light_measurement = analogRead(light_sensor_pin);

    light = (int)(light_measurement/4096*100);

    

    int uvValue=analogRead(uv);

    ultraviolet = (uvValue*100)/4023;

    unsigned long now = millis();

    Particle.function("led",ledControl);

    //Every 5 seconds publish uptime

    if (now-lastTime>5000UL) {

        lastTime = now;

    sprintf(publishString,"{"Temperature": %u, "Humidity": %u, "Light": %u}",temperature,humidity,light);

    Particle.publish("Uptime",publishString);

    

    }

    

}

int setPosition(String posValue) {

    pos = posValue.toInt();

    Serial1.printf("%u", pos);

    return 0;

}

int ledControl(String command) {

    int state =0;

    int pinNumber = (command.charAt(1)-'0') - 1;

    if(pinNumber < 0 || pinNumber > 7) return -1;

    if(command.substring(3,7) == "HIGH") state = 1;

    else if(command.substring(3,6) == "LOW") state = 0;

    else return -2;

    

    digitalWrite(pinNumber,state);

    return 1;

}
 
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