ps2mouse.ino

#include <ps2.h>

PS2 mouse(6, 5);

bool left, right;

void mouse_init()
{
  mouse.write(0xff);
  mouse.read();
  mouse.read();
  mouse.read();
  mouse.write(0xf0);
  mouse.read();
  delayMicroseconds(100);
}

void setup()
{
  Serial.begin(9600);
  mouse_init();
  Mouse.begin();
}

void loop()
{
  char mstat;
  char mx;
  char my;

  mouse.write(0xeb);
  mouse.read();
  mstat = mouse.read();
  mx = mouse.read();
  my = mouse.read();

  bool l = mstat & 1, r = mstat & 2;
  if (l != left){
    left = l;
    if (l) Mouse.press();
    else Mouse.release();
  }
  if (r != right){
    right = r;
    if (r) Mouse.press(MOUSE_RIGHT);
    else Mouse.release(MOUSE_RIGHT); 
  }
  if (mx || my) Mouse.move(mx, -my, 0);
  delay(20);
}