#include <Wire.h> 
#include <LiquidCrystal_I2C.h>


LiquidCrystal_I2C lcd(0x27,20,4); 

#define up 3
#define down 11
#define enter 4
#define back 5
#define batt 8
#define AC A3
#define Temp A2
#define load1 6
#define load2 7

byte batteryl1[]={0x0E,0X1F,0X11,0X11,0X11,0X11,0X11,0X1F};
byte batteryl2[]={0x0E,0X1F,0X11,0X11,0X11,0X1F,0X1F,0X1F};
byte batteryM[]={0x0E,0X1F,0X11,0X11,0X1F,0X1F,0X1F,0X1F};
byte batteryF[]={0x0E,0X1F,0X1F,0X1F,0X1F,0X1F,0X1F,0X1F};
byte fan[]={0x00,0X11,0X0A,0X04,0X0A,0X11,0X00,0X00};
byte pointer[]={0x00,0x00,0x04,0x02,0x1D,0X02,0X04,0X00};

int downsel=0;
volatile int count = 0;
int potPin = A0; 
int motorPin = 9; 
int potValue = 0;
float speedRPM = 0;
float speedlist [1]  ;
float w = 0 ;
float j = 0 ;
float s = 0 ; 
float g = 0 ;
float k = 0 ;
int interruptPin = 2;

void encoderPulse()
{
  
  count++;
} 


void setup() {
 lcd.init();  
 lcd.backlight();

 pinMode(up,INPUT_PULLUP);
 pinMode(down,INPUT_PULLUP);
 pinMode(enter,INPUT_PULLUP);
 pinMode(back,INPUT_PULLUP);
 
 pinMode(batt,INPUT);
 pinMode(AC,INPUT);
 pinMode(load1,OUTPUT);
 pinMode(load2,OUTPUT);
 pinMode(Temp,INPUT);
 pinMode(motorPin, OUTPUT);

 
  lcd.setCursor(0,0);
  lcd.print("D KARE ");
  lcd.setCursor(5,1);
  lcd.print("TEST");
   lcd.setCursor(3,2);
  lcd.print("STAND ");
   lcd.setCursor(0,3);
  lcd.print("V1");
  delay(1000);
  lcd.clear();
 
 lcd.createChar(0, batteryl1); 
 lcd.createChar(1, batteryl2); 
 lcd.createChar(2, batteryM); 
 lcd.createChar(3,  batteryF); 
 lcd.createChar(5,  pointer); 
 

}


void loop()  {
UPandDOWN();

  }
  
   void UPandDOWN(){
   lcd.clear(); 
   switch(downsel){
   case 0: lcd.setCursor(0,0); 
   lcd.write(5);
   break;
    case 1: lcd.setCursor(0,1); 
   lcd.write(5);
   break;
    case 2: lcd.setCursor(0,2); 
   lcd.write(5);
   break;
    case 3: lcd.setCursor(0,3); 
   lcd.write(5);
   break;
    }  
   lcd.setCursor(1,0);
   lcd.print(" Motor Hiz "); 
   lcd.setCursor(1,1);
   lcd.print(" Motor Voltaj");  
   lcd.setCursor(1,2);
   lcd.print(" Sayac"); 
   lcd.setCursor(1,3);
   lcd.print(" Ortalama Tur/s");
  if(digitalRead(down) == LOW){ 
    downsel++;
    delay(200);
    }
  if(digitalRead(up)== LOW){
   downsel--;
    delay(100);
    }
  if(digitalRead(enter)== LOW){
    while(1){
     ENTER();
 if(digitalRead(back)== LOW){
    while(1){
    UPandDOWN();
     }
    
    }
    }
    }
  
    delay(100);
 }
 void ENTER(){
  switch(downsel){
 case 0: 
 lcd.clear();
 switch(downsel){
   lcd.clear();
   case 4: lcd.setCursor(0,0); 
   lcd.write(5);
   break;
    case 5: lcd.setCursor(0,1); 
   lcd.write(5);
   break;
 }

 lcd.setCursor(1,0);
   lcd.print(" Motor Hiz "); 
   lcd.setCursor(1,1);
   lcd.print(" Motor Degiskenleri"); 
  if(digitalRead(down) == LOW){ 
    downsel++;
    delay(200);
    }
  if(digitalRead(up)== LOW){
   downsel--;
    delay(100);
    }
  if(digitalRead(enter)== LOW){
    while(1){
     ENTER();
    }
  }
 if(digitalRead(back)== LOW){
    while(1){
    ENTER();
    }
 }
 
  switch(downsel){

  case 4:
lcd.clear();
 lcd.setCursor(0,0);
lcd.print( "MOTOR SPEED");
  count = 0;
  delay(200);
  speedRPM= count * 6.25;
  w = 2 * 3.14 * 128 * speedRPM / 60 ;
  g = 2 * 3.14 * 128 / w ;
lcd.setCursor(0,2);
lcd.print(w);
lcd.println("   hiz  ");
delay(100);
  
  break;
case 5 :

break;
  }
 
break;

  case 1:
lcd.clear();
potValue = analogRead(potPin);j
=map(potValue, 0, 1024, 0, 255);
analogWrite(motorPin, w);
j=map(j, 0, 255, 0, 17);
  
lcd.setCursor(0,0);
lcd.print(" MOTOR VOLTAGE ");

lcd.setCursor(0,1);
lcd.print(j);
lcd.println("  V  ") ;
     delay(150); 
     break;
     
     
   
  
 case 2: 
  lcd.clear();
 count = 0 ;
 s = count ;
 k = millis() / 1000 ;
 lcd.setCursor(0,0);
 lcd.print(s);
 lcd.setCursor(0,1);
 lcd.print(k / 86400);
 lcd.setCursor(0,2);
 lcd.print(k / 3600);
 lcd.setCursor(6,2);
 lcd.print("H");
  lcd.setCursor (8,2); 
 lcd.print(k / 60);
 lcd.setCursor (13,2);
 lcd.print("M");
 lcd.setCursor(15,2);
 lcd.print(k); 
  
    delay(150);
    break;
 case 3: 
   lcd.clear();
 lcd.setCursor(0,0) ;
 lcd.print("tur basina");
  lcd.setCursor(0,1);
 lcd.print("ortalama zaman");
 lcd.setCursor(0,2);
 lcd.print(g);  
    delay(150);
    break;   
    }
 }