ParticleWeatherShield.ino

ParticleWeatherShield.ino

// This #include statement was automatically added by the Spark IDE.
#include "HTU21D/HTU21D.h"

HTU21D htu = HTU21D();

char Org[] = "ORGANIZATION_NAME"; 
char Disp[] = "DISPLAYNAME"; 
char Locn[] = "LOCATION"; 

void setup()
{
	Serial.begin(9600);

	Serial.println("HTU21D test");

	while(! htu.begin()){
	    Serial.println("HTU21D not found");
	    delay(1000);
	}

	Serial.println("HTU21D OK");
	
	delay(1000);
}

void loop()
{
    delay(5000);

	float c = htu.readTemperature();
	float f = c * (9.0/5.0) + 32;
	
    float h = htu.readHumidity();
   
    char payload[255];
    
    snprintf(payload, sizeof(payload), "{ \"s\":\"wthr\", \"u\":\"F\",\"l\":\"%s\",\"m\":\"Temperature\",\"o\":\"%s\",\"v\": %f,\"d\":\"%s\" }", Locn, Org, f, Disp);
    Spark.publish("ConnectTheDots", payload);
    
    delay(5000);
    
    snprintf(payload, sizeof(payload), "{ \"s\":\"wthr\", \"u\":\"%%\",\"l\":\"%s\",\"m\":\"Humidity\",\"o\":\"%s\",\"v\": %f,\"d\":\"%s\" }", Locn, Org, h, Disp);
    Spark.publish("ConnectTheDots", payload);
    
}