spark core ds18b20 lcd

#include "spark-dallas-temperature/spark-dallas-temperature.h"

#include "OneWire/OneWire.h"

#include "LiquidCrystal/LiquidCrystal.h"

#include "application.h"

#define ONE_WIRE_BUS D2
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensor(&oneWire);

float temperature = 1.0;
char myStr[10];

LiquidCrystal lcd(D0, D1, A5, D3, D4, D5);

void setup() {
   //OneWire setup
   //Spark.variable("read", &myStr, STRING);
   sensor.begin();
   sensor.setResolution(12);     

   lcd.begin(20,4);
   lcd.setCursor(0,0);
   lcd.print("Hello, Sparky!");
}

void loop() {
    //Read and print temperature:
    sensor.requestTemperatures();
    temperature = sensor.getTempCByIndex(0);
    sprintf(myStr,"%.1f",temperature);
    //sprintf(myStr,"%.3f",temperature);
    lcd.setCursor(0,2);
    String temp = String("Temp is: ");
    temp = temp + myStr;
    lcd.print(temp);
}