#include <LiquidCrystal.h>
#include <LiquidCrystal_I2C.h>
#include <Stepper.h>

LiquidCrystal My_LCD(13, 12, 14, 27, 26, 25);
Stepper myStepper(200, 19, 21, 22, 23);
int button_state;

int variavel = 3;

uint8_t setaLado[8] = {
  0b00000,
  0b00100,
  0b00110,
  0b11111,
  0b11111,
  0b00110,
  0b00100,
  0b00000,
};

uint8_t setaBaixo[8] = {
  0b00000,
  0b00000,
  0b00100,
  0b00100,
  0b00100,
  0b11111,
  0b01110,
  0b00100,
};

uint8_t setaCima[8] = {
  0b00100,
  0b01110,
  0b11111,
  0b00100,
  0b00100,
  0b00100,
  0b00000,
  0b00000,
};

uint8_t CPE1[8] = {
  0b01100,
  0b10000,
  0b01100,
  0b10000,
  0b10100,
  0b10000,
  0b11100,
  0b10000,
};

uint8_t CPE2[8] = {
  0b01110,
  0b10001,
  0b10001,
  0b10001,
  0b01010,
  0b01110,
  0b01110,
  0b00000,
};

void ajuste_manual(int direcao) {
  if(button_state == 0){
    myStepper.step(direcao*1);
    delay(100);
  }
}

void configuracoes() {
  My_LCD.setCursor(0,0);
  My_LCD.print("Motor 1: Ajuste");
  My_LCD.setCursor(0,1);
  My_LCD.print("\x01Subir");
  My_LCD.setCursor(0,2);
  My_LCD.print(" Descer");
  My_LCD.setCursor(0,3);
  My_LCD.print(" Pronto");
}

void setup() {
  My_LCD.createChar(1, setaLado);
  My_LCD.createChar(2, setaBaixo);
  My_LCD.createChar(3, setaCima);
  My_LCD.createChar(4, CPE2);
  My_LCD.begin(20, 4);
  pinMode(2 , INPUT_PULLUP);
  My_LCD.clear();
}

void loop() { 
//Música 1
  button_state = digitalRead(2);
  ajuste_manual(1);
  configuracoes();
}