/******************************************************************************
   Nome do Arquivo 	: main.c

   Descrição       	: Arquivo principal aula 5, exemplo 1

   Ambiente			    : WOKWI e RP2040 C/C++ SDK

   Responsável		  : Weslley M. Torres

   Versão/Data		  : 1.0.0 - 25/03/2024 - Initial version

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

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

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

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

#define OUT_H 1
#define OUT_L 0

#define GPIO_LED_VERM 7
#define GPIO_LED_VERD 8
#define GPIO_CHAVE    15

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


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

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

void system_init(void);

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

/******************************************************************************
   Funcao:		int main(void)
   Entrada:		Nenhuma (void)
   Saída:		Nenhuma (void)
   Descrição:	Função principal
 *****************************************************************************/
int main()
{
  uint8_t button_last_sts = 0;
  uint8_t texto_linha_um[17] = "FATEC S.A. 2024";
  uint8_t texto_linha_dois[17] = " Teste Display ";

  stdio_init_all();

  printf("Microcontroladores - Aula 09\n");
  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);

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

  LIMPA_DISPLAY();
  DesligaCursor();


  sleep_ms(500);

  while (true)
  {
    button_last_sts = gpio_get(GPIO_CHAVE);
    if (button_last_sts == 0)
    {
      gpio_put(GPIO_LED_VERD, OUT_H);
      gpio_put(GPIO_LED_VERM, OUT_L);
      LIMPA_DISPLAY();
      posicao_cursor_lcd(1,1);
      escreve_caractere_lcd(0);

    }
    else
    {
      gpio_put(GPIO_LED_VERD, OUT_L);
      gpio_put(GPIO_LED_VERM, OUT_H);
      posicao_cursor_lcd(1,1);
      LIMPA_DISPLAY();
      posicao_cursor_lcd(1,1);
      escreve_caractere_lcd(1);

    }
  }
}

/******************************************************************************
   Funcao:		void system_init(void)
   Entrada:		Nenhuma (void)
   Saída:		Nenhuma (void)
   Descrição:	Inicializa sistema (microcontrolador e periféricos)
 *****************************************************************************/
void system_init(void)
{
  //stdio_init_all();
  printf("Init Hardware ....\n");
  sleep_ms(10);

  gpio_init(GPIO_LED_VERM);
  gpio_set_dir(GPIO_LED_VERM, GPIO_OUT);

  gpio_init(GPIO_LED_VERD);
  gpio_set_dir(GPIO_LED_VERD, GPIO_OUT);

  gpio_init(GPIO_CHAVE);
  gpio_set_dir(GPIO_CHAVE, GPIO_IN);
  gpio_pull_up(GPIO_CHAVE);

  init_lcd();
}