#define encoderPinA 6
#define encoderPinB 7
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

int n = LOW;
int encoderPinALast = LOW;
int encoderPos = 0;

byte load0[8] = {
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000
};

byte load1[8] = {
  B10000,
  B10000,
  B10000,
  B10000,
  B10000,
  B10000,
  B10000,
  B10000
};

byte load2[8] = {
  B11000,
  B11000,
  B11000,
  B11000,
  B11000,
  B11000,
  B11000,
  B11000
};

byte load3[8] = {
  B11100,
  B11100,
  B11100,
  B11100,
  B11100,
  B11100,
  B11100,
  B11100
};

byte load4[8] = {
  B11110,
  B11110,
  B11110,
  B11110,
  B11110,
  B11110,
  B11110,
  B11110
};

byte load5[8] = {
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111,
  B11111
};

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  lcd.begin(16, 2);
  lcd.createChar(0, load0);
  lcd.createChar(1, load1);
  lcd.createChar(2, load2);
  lcd.createChar(3, load3);
  lcd.createChar(4, load4);
  lcd.createChar(5, load5);

  pinMode(encoderPinA, INPUT_PULLUP);
  pinMode(encoderPinB, INPUT_PULLUP);
}

void loop() {
  // put your main code here, to run repeatedly:
  encoderStand();
  printPercentage();
  printBlokjes();
  double waardeTachtig = (encoderPos / 100) * 80;
  int volKarakter = waardeTachtig / 16;

  lcd.setCursor(0, 1);

}
void printBlokjes(){
  int temp = encoderPos;
  int groteGetallen = temp/5;
  int kleinegetallen = temp%5;
  for(int i = 0; i < groteGetallen; i++){
    lcd.write(byte(5));
  }
  lcd.write(byte(kleinegetallen));
}
void printPercentage(){
  lcd.setCursor(0, 0);
  if (encoderPos < 10) {
    lcd.print(" ");
  }
  if (encoderPos < 100) {
    lcd.print(" ");
  }

  lcd.print(encoderPos);
  lcd.print("%");
}

void encoderStand() {
  n = digitalRead(encoderPinA);
  if ((encoderPinALast == LOW) && (n == HIGH)) {
    if (digitalRead(encoderPinB) == LOW) {
      if (encoderPos >= 100) {
        encoderPos = 100;
      } else {
        encoderPos ++;
      }

    } else if (!(encoderPos <= 0)) {
      encoderPos --;
    }
  }
  encoderPinALast = n;
}