/******************************************************************************
 * 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"

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

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

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

#define OUT_H 1
#define OUT_L 0

#define LED_VM 0
#define LED_VD 1
#define OUT 1
#define IN 0


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

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

void system_init(void);

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

/******************************************************************************
 * Funcao:		int main(void)
 * Entrada:		Nenhuma (void)
 * Saída:		Nenhuma (void)
 * Descrição:	Função principal
 *****************************************************************************/
int main() 
{
  system_init();
 while (1) 
  {
      gpio_put(LED_VM,OUT_H);
      gpio_put(LED_VD,OUT_L);
      sleep_ms(500);

      gpio_put(LED_VM,OUT_L);
      gpio_put(LED_VD,OUT_H);
      sleep_ms(500);
  }      
}

/******************************************************************************
 * Funcao:		void system_init(void)
 * Entrada:		Nenhuma (void)
 * Saída:		Nenhuma (void)
 * Descrição:	Inicializa sistema (microcontrolador e periféricos)
 *****************************************************************************/
void system_init(void)
{
  gpio_init(0);
  gpio_set_dir(LED_VM, OUT); //GPIO 0 = OUT
  gpio_put(LED_VM,IN); //valor inicial do pino

  gpio_init(1);
  gpio_set_dir(LED_VD, OUT); //GPIO 1 = OUT
  gpio_put(LED_VD, IN); // valor inicial do pino
}