Ardutouch – Touchpad Synaptics T1004

#include <ps2.h>

PS2 mouse(6, 5); //Pin 5 is the mouse data & pin 6 is the clock.

void mouse_init()
{
  mouse.write(0xff);  // reset
  mouse.read();  // ack byte
  mouse.read();  // blank */
  mouse.read();  // blank */
  mouse.write(0xf0);  // remote mode
  mouse.read();  // ack
  delayMicroseconds(100);
}

int brightness = 0;

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

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

  /* get a reading from the mouse */
  mouse.write(0xeb);  // give me data!
  mouse.read();      // ignore ack
  mstat = mouse.read();
  mx = mouse.read();
  my = mouse.read();

  /* send the data back up */
  Serial.print(mstat, BIN);
  Serial.print("\tX=");
  Serial.print(mx, DEC);
  Serial.print("\tY=");
  Serial.print(my, DEC);
  Serial.println();

// Control del LED
analogWrite(9, brightness);
brightness = brightness + my + mx;
if (brightness < 0) {brightness = 0 ;}
if (brightness > 255) { brightness = 255 ;}
}