/******************************************************************************
 * Nome do Arquivo 	: main.c
 *
 * Descrição       	: Arquivo principal aula 4, exemplo 3
 *
 * Ambiente			    : WOKWI e RP2040 C/C++ SDK
 *
 * Responsável		  : Weslley M. Torres
 *
 * Versão/Data		  : 1.0.0 - 10/03/2024 - Initial version 
 *
 *****************************************************************************/

/******************************************************************************
* HEADER-FILES (Somente os arquivos necessários nesse arquivo)
******************************************************************************/
#include <stdio.h>
#include "pico/stdlib.h"
#include "display_lcd.h"
#include "matematica.h"
/*****************************************************************************/

/******************************************************************************
* Variaveis Globais
******************************************************************************/

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

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


#define OUT_H 1
#define OUT_L 0

#define LED 28
#define LED_2 27
#define OUT 1
#define IN 0

#define BOTAO  15

/*****************************************************************************/

/******************************************************************************
* Prototipos das funções
******************************************************************************/

void system_init(void);

/*****************************************************************************/

/******************************************************************************
 * Funcao:		int main(void)
 * Entrada:		Nenhuma (void)
 * Saída:		Nenhuma (void)
 * Descrição:	Função principal
 *****************************************************************************/
int main() 
{
  unsigned int estado_botao = 0;  
  unsigned char texto_linha_um[17] = "FATEC S.A. 2024";
  unsigned char texto_linha_dois[17] = " Teste Display ";
  unsigned char msg_botao[17] = "Botao 1 Press   ";
  unsigned char msg_botao_n_press[17] = "Bt 1 Nao Press  ";
  stdio_init_all();
  sleep_ms(250);
  system_init();

  posicao_cursor_lcd(1,1);
  escreve_frase_ram_lcd(texto_linha_um);
  posicao_cursor_lcd(2,1);
  escreve_frase_ram_lcd(texto_linha_dois);

  sleep_ms(500);

  cria_caractere_lcd(0,smile);
  cria_caractere_lcd(1,sad);

  LIMPA_DISPLAY();
  DesligaCursor();


  while(true)
  {
    estado_botao = gpio_get(BOTAO);
    if(estado_botao == 0)
    {
      posicao_cursor_lcd(1,1);
      escreve_frase_ram_lcd(msg_botao);
      posicao_cursor_lcd(2,0);
      escreve_caractere_lcd(0);
    }
    else
    {
      posicao_cursor_lcd(1,1);
      escreve_frase_ram_lcd(msg_botao_n_press);      
      posicao_cursor_lcd(2,0);
      escreve_caractere_lcd(1);
    }
    sleep_ms(10);
  }
}

/******************************************************************************
 * Funcao:		void system_init(void)
 * Entrada:		Nenhuma (void)
 * Saída:		Nenhuma (void)
 * Descrição:	Inicializa sistema (microcontrolador e periféricos)
 *****************************************************************************/
void system_init(void)
{
  gpio_init(LED);
  gpio_set_dir(LED, OUT);

  gpio_init(LED_2);
  gpio_set_dir(LED_2, OUT);

  gpio_init(BOTAO);
  gpio_set_dir(BOTAO, IN);
  gpio_pull_up(BOTAO);

  sleep_ms(250);

  init_lcd();
}