/*
  Single_Temp.pde - Example using the MAX6675 Library.
  Created by Ryan McLaughlin <ryanjmclaughlin@gmail.com>

  This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
  http://creativecommons.org/licenses/by-sa/3.0/
*/
#include <tinySPI.h>
#include <LiquidCrystal.h>
#include <MAX6675_Thermocouple.h>

            // Status LED Pin
//int CS = 10;   9          // CS pin on MAX6675
//int SO = 12;      8        // SO pin of MAX6675
//int SCK = 13; 7             // SCK pin of MAX6675
int units = 2;            // Units to readout temp (0 = raw, 1 = ˚C, 2 = ˚F)
double temperature = 0;  // Temperature output variable

const int rs = 10, en = 8, d4 = 3, d5 = 2, d6 = 1, d7 = 0;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
// Initialize the MAX6675 Library for our chip
MAX6675_Thermocouple thermocouple(4,5,6);


// Setup Serial output and LED Pin  
// MAX6675 Library already sets pin modes for MAX6675 chip!
void setup() {
  //Serial.begin(9600);
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print("room temp :");
}

void loop() {
	// Read the temp from the MAX6675
	temperature = thermocouple.readCelsius();

	if(temperature < 0) {                   
		// If there is an error with the TC, temperature will be < 0
		//Serial.print("Thermocouple Error on CS");
		//Serial.println( temperature ); 
	} else {
		//Serial.print("Current Temperature: ");
		//Serial.println( temperature ); 
	}
 lcd.setCursor(0, 1); 
 lcd.print(temperature);
	// Wait one second before reading again
	delay(1000);	
}