File content as of revision 1:ac09ff440ce1:

#include "mbed.h"
#include "TextLCD.h"
#include "USBSerial.h"
#include "max31855.h"


TextLCD lcd(PTA13, PTD5, PTA4, PTA5, PTC8, PTC9); // rs, e, d4-d7
DigitalOut myled(LED1);

 
//----------------------------------------------------------
//SPI Interfaces
SPI testSPI(PTD2,PTD3,PTD1);
//----------------------------------------------------------
// USBSerial serial;

//----------------------------------------------------------
//Thermocouples
max31855 max1(testSPI, PTB18);
//----------------------------------------------------------


int main() {
    //Initialise chip (starts internal timer)
    max1.initialise();
    
    //Float value to hold temperature returned
    float fvalue = 0;
 //----------------------------------------------------------- 
    lcd.cls();
          lcd.printf("Welcome\n");
          myled = 0;
          wait(2);
         
     
        lcd.cls();
       lcd.locate(0,0);
     lcd.printf("Set temperaure\n");
    // lcd.locate(0,0);
    // lcd.printf("Current temp");
       myled =!myled;
        wait(2);
       
//---------------------------------------------------------------
    while(1) 
    {
            //Check if the chip is ready for a reading to be taken
            if (max1.ready()==1)
            {
                    //Get the reading
                    fvalue = max1.read_temp();
                    
                    if (fvalue > 2000){
                                        if(fvalue==2001){
                                                        //printf("No TC");
                                                          lcd.cls();
                                                        lcd.locate(0,0);

                                                        lcd.printf("NO tc");
                                                        }
                                        else if(fvalue==2002){
                                                               // printf("Short to GND");
                                                                 lcd.cls();
                                                               lcd.locate(0,0);

                                                               lcd.printf("short to GND"); 
                                                             }
                                             else if(fvalue==2004){
                                                                       // printf("Short to VCC");
                                                                          lcd.cls();
                                                                        lcd.locate(0,0);

                                                                       lcd.printf("short to VCC"); 
                                                                  }
                                      }
                    else{
                        // printf("Temperature is: %f\n\r", fvalue);
                         //lcd.locate(6,0);
                      //   lcd.printf((char*)fvalue);
                                lcd.cls();
                                 lcd.locate(0,0);
                               lcd.printf("Current temp");
                                lcd.locate(0,1);

                         lcd.printf("T=%2.1fC",fvalue);
                              
                        // lcd.printf("T=%f\n\r",fvalue);


                        }
            }
            
            //Heartbeat signal (not necessary)
            myled = !myled;
            
            //Delay is not required, here simply for test program
            wait(0.25);
    }

}