/*
 * velleman vma339 
 * pin 7 - pin8 - pin9 
*/
#include 
/*
 * velleman arduino 
 * pin 2 - pin10 - spi 
*/
#include 
#include 
int tempsensor1=A0;
int lcSize = 4;
float temp1TMP36 = 0;
/***********************************************************
 * MAX7219 and 4x7 Segment LED Display
 * DataIn pin 4  -  CLK pin 5   -   pin 6
 **********************************************************/
int segdisplay[4];
LedControl lc=LedControl(4,5,6,1);
/**/
int CS = 9;             // CS pin on MAX6675
int SO = 7;              // SO pin of MAX6675
int SCKK = 8;             // SCK pin of MAX6675
int units = 1;            // Units to readout temp (0 = raw, 1 = ˚C, 2 = ˚F)
float temperature = 0.0;  // Temperature output variable
MAX6675 temp(CS,SO,SCKK,units);// Initialize the MAX6675
/*out*/
const int output = 3;
void setup() {
   Serial.begin(9600);
   pinMode(output, OUTPUT);
   pinMode(tempsensor1, INPUT);
   /*
   The MAX7219 is in power-saving mode on startup,
   we have to do a wakeup call
   */
  lc.shutdown(0,false);
  lc.setIntensity(0,8);/*ardes,brightness*/
  /* and clear the display */
  lc.clearDisplay(0);
}

void loop() {
  temp1TMP36 = analogRead(tempsensor1);
  delay(100);
  displayrun(getTempTMP36(temp1TMP36));
  temperature = temp.read_temp();
  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 ); 
  }
  delay(100);
}
void displayrun(float temp){
  if(sizeof(temp)>4){ 
return;
  }
  int i;
  int t = temp*100;
  boolean dp = false;
  int pos = lcSize+1;
  Serial.print("temp :");
  Serial.println(temp);
  lc.clearDisplay(0);
  for(i = 0;i < lcSize;i++){
      segdisplay[i] = t%10;
      t = t/10;
      dp = i==2;
      lc.setDigit(0,i,segdisplay[i],dp);
  }
}
float getTempTMP36(float sensorVal){
   float voltage=(sensorVal/1024.0)*5.0;
   return (voltage-.5)*100;
}