/* NTC temperature mesurment 13-08-2017
 *
 *  Using Nokia LCD 5110
 */

#include "LCD5110_Graph.h"
LCD5110 myGLCD(8, 9, 10, 12, 11);  // Setup Nokia 5110 Screen SCLK/CLK=5, DIN/MOSI/DATA=6, DC/CS=7, RST=8 Chip Select/CE/SCE=9,
extern uint8_t SmallFont[];
extern uint8_t MediumNumbers[];

int tempPin = 0;   // A0 analog input
int Vout, charTc ;
float R1 = 10000; //otpornost na sobnoj temperaturi 10K ili 10000 oma
float R2, Tk, Tc;
float Ac = 1.009249522e-03, Bc = 2.378405444e-04, Cc = 2.019202697e-07;
char charBuffer[10];


void setup(){
myGLCD.InitLCD(); //initialize LCD with default contrast of 70
myGLCD.setContrast(68);
myGLCD.setFont(SmallFont); // Set default font size. tinyFont 4x6, smallFont 6x8, mediumNumber 12x16, bigNumbers 14x24
myGLCD.clrScr();

myGLCD.print("Temp test",CENTER,0);
myGLCD.print("Check",CENTER,12);
myGLCD.print("Please Wait",CENTER,24);

myGLCD.update();
delay(5000);
myGLCD.clrScr();
}

void loop() {
  Vout = analogRead(tempPin);
  R2 = R1 * (1023.0 / (float)Vout - 1.0); // konvertovanje iz analogne u digitalnu
  Tk = (1.0 / (Ac + Bc*log(R2) + Cc*log(R2)*log(R2)*log(R2))); // Temperature in Klven
  Tc = Tk - 273.15; //temperature converted to celcious

charTc=dtostrf(Tc, 3, 2, charBuffer);



  myGLCD.clrScr();
  //myGLCD.print("Discharging",CENTER,0);
  //myGLCD.print("Temperature:",CENTER,0);
  myGLCD.print("Temp1:",0,0);
  //myGLCD.print( charTc,CENTER,20 );
  myGLCD.print( charTc,36,0 );
  myGLCD.print("Temp2:",0,10);
  myGLCD.print("Temp3:",0,20);
  myGLCD.print("Temp4:",0,30);
  myGLCD.update();
  delay(2000);
  myGLCD.clrScr();
}