//na lcd naj se izpiše vrednost potenciometra
//vsakič ko pritisnemo na tipko se poveča vrednost spremenjivke za 1
//na lcd izpiši vrednost spremenljivke

#include <LiquidCrystal.h>
LiquidCrystal lcd(12,11,10,9,8,7);
int value;
int gumb1=4;
int gumb2=3;
int gumbn3=2;
int gumb4=1;
int m =0;
byte hertz[8]={
  0b00000,
  0b01010,
  0b11111,
  0b11111,
  0b11111,
  0b01110,
  0b00100,
  0b00000
};

void setup() {
  lcd.begin(16,2);    //16 stolpcev in 2 vrstici
  pinMode(4, INPUT_PULLUP);
  pinMode(3, INPUT_PULLUP);
  pinMode(2, INPUT_PULLUP);
  pinMode(1, INPUT_PULLUP);
  pinMode(0, INPUT_PULLUP);
  randomSeed(analogRead(A0));
  lcd.createChar(1,hertz);
}

void loop() {
  static int counter= 0;
  int value = analogRead(A0);
  
  if(digitalRead(4) == LOW){ counter++;
  lcd.setCursor(0,1);
  lcd.print(counter);}

  if(digitalRead(3) == LOW){ counter--;
  lcd.setCursor(0,1);
  lcd.print(counter);}

  if(digitalRead(2) == LOW){
   counter = 0;
  lcd.setCursor(0,1);
  lcd.print(counter);}

  if(digitalRead(0) == LOW) {counter = 0;
  lcd.setCursor(0,1);
  lcd.write(1);}

  int a = 0;

  if(digitalRead(1) == LOW){
    a = random(0,10);
    lcd.setCursor(0,0);
    lcd.print(a);
  }
  delay(50);
  lcd.clear();
}


/*
void loop(){
  static int counter= 0;
if (digitalRead(2) == LOW)m=4;
switch (m){
  case 1:{ m=0;
          counter++;
          break;}
  case 2:{ m=0;
          counter--;
          break;}
  case 3:{m=0;
          counter = 0;
          break;}
  case 4:{m=0;
          counter = random(1,10);
          break;}
  default:{m=0;
          break;}
}
  lcd.clear();
}
*/