sketch_dec16a.ino

#include <Keyboard.h>
#include <SoftwareSerial.h>
// give it a name: Game control
// Pin names
int pin_1 = 2; //space
int pin_2 = 6; //up
int pin_3 = 12; //down 
int pin_4 = 13; //left
int pin_5 = 8; //right

//Estas variaveis servirao para verificar o estado das portas
int estado_pin_1, estado_pin_2, estado_pin_3, estado_pin_4, estado_pin_5;

//The setup routine runs once when you press reset:
void setup() {
  //All the digital doors where the buttons are connected, have to be configured as INPUT  
  pinMode(pin_1, INPUT); //Sets up digital door 8 as INPUT
  digitalWrite(pin_1, 0); //Places value 1 in the digital door 8
  
  pinMode(pin_2, INPUT); //Sets up digital door 13 as INPUT
  digitalWrite(pin_2, 0); //Places value 1 in the digital door 13
  
  pinMode(pin_3, INPUT); //Sets up digital door 12 as INPUT
  digitalWrite(pin_3, 0); //Places value 1 in the digital door 12
  
  pinMode(pin_4, INPUT); //Sets up digital door 6 as INPUT
  digitalWrite(pin_4, 0); //Places value 1 in the digital door 6
  
  pinMode(pin_5, INPUT); //Sets up digital door 2 as INPUT
  digitalWrite(pin_5, 0); //Places value 1 in the digital door 2
  
  //Every digital door used, have to be conected to the internal resistor
  //It's a lifting resistor
  
  //Setting buttons 
  #define space 2 //Botao space na porta 2 vermelho
  #define Up 6 //Botao up na porta 6 laranja
  #define Down 12 //Botao down na porta 12 verde
  #define Left 13 //Botao left na porta 13 azul
  #define Right 8 //Botao right na porta 8 amarelo
  char strings[6][10]={"Up","Down","Left","Right","space","\0"};
  //strings[0] = "Up"; 
  //strings[1] = "Down";
  //strings[2] = "Left";
  //strings[3] = "Right";
  //strings[4] = "space";
  //strings[5] = "\0";
  
  //Starting serial comunication
  //Serial.begin(9600); //9600 is the serial comunication speed
  //Serial.println("Starting serial comunication...");
  //Keyboard.begin(); //Starts a keyboard emulation

  //Todos os botoes comecam desligados  
  digitalWrite(2, LOW); //Porta 2 space
  digitalWrite(6, LOW); //Porta 6 up
  digitalWrite(12, LOW); //Porta 12 down
  digitalWrite(13, LOW); //Porta 13 left
  digitalWrite(8, LOW); //Porta 8 right
}
//the loop routine runs over and over again forever:
void loop(){
  //Inside this function, we must check if there is a button pressed or not.
  //int space = digitalRead(2); //Check door 2
  //int up = digitalRead(6);    //Check door 6
  //int down = digitalRead(12); //Check door 12
  //int left = digitalRead(13); //Check door 13
  //int right = digitalRead(8); //Check door 8

  //Reading doors  
  estado_pin_1 = digitalRead(2);  //space
  estado_pin_2 = digitalRead(6);  //up
  estado_pin_3 = digitalRead(12); //down
  estado_pin_4 = digitalRead(13); //left
  estado_pin_5 = digitalRead(8);  //right
  
  if(estado_pin_1 == HIGH){
    Keyboard.begin();
    while(estado_pin_1 == HIGH){
      //Space is pressed
      //Serial.println("space");
      Keyboard.println("space");
      estado_pin_1 = digitalRead(2);
    }
    if(estado_pin_1 == LOW){
      //A porta 2 recebe a informacao de que ela esta desligada
      digitalWrite(2, LOW);
      Keyboard.end();
    }  
  }
      
  if(estado_pin_2 == HIGH){
    Keyboard.begin();  
    while(estado_pin_2 == HIGH){
      //Up is pressed
      //Serial.println("Up");
      Keyboard.println("Up"); //
      estado_pin_2 = digitalRead(6); 
    }
    if(estado_pin_2 == LOW){
      //A porta 6 recebe a informacao de que ela esta desligada
      digitalWrite(6, LOW);
      Keyboard.end();
    }  
  }
          
  if(estado_pin_3 == HIGH){
    Keyboard.begin();  
    while(estado_pin_3 == HIGH){
      //Down is pressed
      //Serial.println("Down");
      Keyboard.println("Down"); //Envia uma string ao pc
      estado_pin_3 = digitalRead(12);
    }
    if(estado_pin_3 == LOW){
      //A porta 12 recebe a informacao de que ela esta desligada
      digitalWrite(12, LOW);
      Keyboard.end();
    }  
  }
      
  if(estado_pin_4 == HIGH){
    Keyboard.begin();  
    while(estado_pin_4 == HIGH){
      //Left is pressed
      //Serial.println("Left");
      Keyboard.println("Left"); //Envia uma string ao pc
      estado_pin_4 = digitalRead(13);
    }
    if(estado_pin_4 == LOW){
      //A porta 13 recebe a informacao de que ela esta desligada
      digitalWrite(13, LOW);
      Keyboard.end();
    }  
  }
      
  if(estado_pin_5 == HIGH){
    Keyboard.begin();  
    while(estado_pin_5 == HIGH){
      //Right is pressed
      //Serial.println("Right");
      Keyboard.println("Right");
      estado_pin_5 = digitalRead(8);
    }
    if(estado_pin_5 == LOW){
      //A porta 8 recebe a informacao de que ela esta desligada
      digitalWrite(8, LOW);
      Keyboard.end();
    }  
  }
  printf("\n");
  delay("50000000");        
}