/*<><><><><><><><>MOUSE SHIELD<><><><><><><><>

 *             Wolfgang Spahn  7-2009

 *<><><><><><><><><><><><><><><><><><><><><><>

 *

 * A basic mouse shield example. Reads 2 analog 

 * inputs and 2 digital inputs. Sends data to 

 * the mouse shield.

 *

 * 

 *           www.wolfgang-spahn.de

*/





//Send a single impluse to the MouseWarrior

//if the inputvalue is +1 move the Mouse to the right,

//if the inputvalue is negative move the Mouse to the left



//variables

int gLEDPin = 13;                // pinnumber for the controll LED



int gButtonHL = 7;               // pinnumber for the inputbutton horizontal left

int gButtonHR = 8;               // pinnumber for the inputbutton horizontal right

int gButtonVL = 9;               // pinnumber for the inputbutton vertical left

int gButtonVR = 10;              // pinnumber for the inputbutton vertical right



int gHorizontal1 = 2;           // 1 pinnumber for horizontal movement

int gHorizontal2 = 3;           // 2 ...

int gVertical1 = 4;             // 1 pinnumber for vertikal movement

int gVertical2 = 5;             // 2 ...



int gStatusHL = LOW;             // status of the input horizontal 1

int gStatusHR = LOW;             // status of the input horizontal 2

int gStatusVL = LOW;             // status of the input vertical 1

int gStatusVR = LOW;             // status of the input vertical 2





//setup

void setup() {

  pinMode(gLEDPin,OUTPUT);       // set led pin as output

  digitalWrite(gLEDPin,HIGH);    // turn on the controll LED

  

  pinMode(gButtonHL,INPUT);      // set pin for horizontal button HL as input

  pinMode(gButtonHR,INPUT);      // set pin for horizontal button HR as input

  pinMode(gButtonVL,INPUT);      // set pin for vertical button VL as input

  pinMode(gButtonVR,INPUT);      // set pin for vertical button VR as input

  

  pinMode(gHorizontal1,OUTPUT); // set pin for horizontal movement 1 as output

  pinMode(gHorizontal2,OUTPUT); // set pin for horizontal movement 2 as output

  pinMode(gVertical1,OUTPUT);   // set pin for vertical movement 1 as output

  pinMode(gVertical2,OUTPUT);   // set pin for vertical movement 2 as output

  

  digitalWrite(gHorizontal1,HIGH);

  digitalWrite(gHorizontal1,HIGH);

  digitalWrite(gVertical1,HIGH);

  digitalWrite(gVertical2,HIGH);

}



// mainloop 

void loop() {

  readoutH();

  mousemoveH();

  readoutV();

  mousemoveV();

}  



void readoutH() {

  gStatusHL = digitalRead(gButtonHL);  // readout button for horizontal 1 input

  gStatusHR = digitalRead(gButtonHR);  // readout button for horizontal 2 input

}

  

void mousemoveH() {

  if (gStatusHL == LOW) {              // horizontal move left

    digitalWrite(gHorizontal1,LOW);  // set pin 1 for horizontal move low

    delay(1);                        // delay

    digitalWrite (gHorizontal2,LOW); // set pin 2 for horizontal move low

    delay (1);

    digitalWrite(gHorizontal1,HIGH); // set them high again

    digitalWrite(gHorizontal2,HIGH);

    }

  if (gStatusHR == LOW) {              // horizontal move left

    digitalWrite(gHorizontal2,LOW);  // set pin 2 for horizontal move low

    delay(1);                        // delay

    digitalWrite (gHorizontal1,LOW); // set pin 1 for horizontal move low

    delay (1);

    digitalWrite(gHorizontal2,HIGH); // set them high again

    digitalWrite(gHorizontal1,HIGH);

    }    

}  

 

  

void readoutV(){  

  gStatusVL = digitalRead(gButtonVL);  // readout button for vertical 1 input

  gStatusVR = digitalRead(gButtonVR);  // readout button for vertical 2 input

}



void mousemoveV() {

  if (gStatusVL == LOW) {              // vertical move left

    digitalWrite(gVertical1,LOW);    // set pin 1 for vertical move low

    delay(1);                        // delay

    digitalWrite (gVertical2,LOW);   // set pin 2 for vertical move low

    delay (1);

    digitalWrite(gVertical1,HIGH);   // set them high again

    digitalWrite(gVertical2,HIGH);

    }

  if (gStatusVR == LOW) {              // vertical move left

    digitalWrite(gVertical2,LOW);    // set pin 2 for vertical move low

    delay(1);                        // delay

    digitalWrite (gVertical1,LOW);   // set pin 1 for vertical move low

    delay (1);

    digitalWrite(gVertical2,HIGH);   // set them high again

    digitalWrite(gVertical1,HIGH);

    }    

}