#include <stdio.h>
#include "pico/stdlib.h"
#include "display_lcd.h"

char smile[8] = {
                  0b00000000,
                  0b00001010,
                  0b00001010,
                  0b00001010,
                  0b00000000,
                  0b00010001,
                  0b00001110,
                  0b00000000,
};

char bad[8] = {
                  0b00000000,
                  0b00001010,
                  0b00001010,
                  0b00001010,
                  0b00000000,
                  0b00001110,
                  0b00010001,
                  0b00000000,
};

#define OUT 1
#define IN 0

#define OUT_H 1
#define OUT_L 0

#define KEY 15

void system_init(void);


int main() 
{
  int key_sts = 0;

  stdio_init_all();
  system_init();
  DesligaCursor();
  
  while (true) 
  {

    key_sts = gpio_get(KEY);
    cria_caractere_lcd(0,smile);
    cria_caractere_lcd(1,bad);

    if (key_sts == 0)
    {

      posicao_cursor_lcd(1,0);
      escreve_caractere_lcd(0);
      sleep_ms(2500);
      LIMPA_DISPLAY();
      
    }
    else
    {  
      
      posicao_cursor_lcd(2,0);
      escreve_caractere_lcd(1);
      sleep_ms(2500);
      LIMPA_DISPLAY();
      
    }
  }
}

void system_init(void)
{
  init_lcd();

  gpio_init(KEY);
  gpio_set_dir(KEY, IN);
  gpio_pull_up(KEY);
  
}