Arduino - MouseController

Examples > USBHost Library

Mouse Controller

The Arduino Due has the ability to act as a USB host for peripherals such as mice connected to the SerialUSB port. This example demonstrates the use of the MouseController library.

Hardware Required

  • Arduino Due Board

  • USB mouse

Code

/*

 Mouse Controller Example

 Shows the output of a USB Mouse connected to 

 the Native USB port on an Arduino Due Board.

 created 8 Oct 2012

 by Cristian Maglie

 http://arduino.cc/en/Tutorial/MouseController

 This samlple code is part of the public domain.

 */

// Require mouse control library
#include <MouseController.h>

// Initialize USB Controller

USBHost usb;

// Attach mouse controller to USB

MouseController mouse(usb);

// variables for mouse button states
boolean leftButton = false;
boolean middleButton = false;
boolean rightButton = false;

// This function intercepts mouse movements
void mouseMoved() {

  Serial.print("Move: ");

  Serial.print(mouse.getXChange());

  Serial.print(", ");

  Serial.println(mouse.getYChange());
}

// This function intercepts mouse movements while a button is pressed
void mouseDragged() {

  Serial.print("DRAG: ");

  Serial.print(mouse.getXChange());

  Serial.print(", ");

  Serial.println(mouse.getYChange());
}

// This function intercepts mouse button press
void mousePressed() {

  Serial.print("Pressed: ");

  if (mouse.getButton(LEFT_BUTTON)){

    Serial.print("L");

    leftButton = true;

  }

  if (mouse.getButton(MIDDLE_BUTTON)){

    Serial.print("M");

    middleButton = true;

  }

  if (mouse.getButton(RIGHT_BUTTON)){

    Serial.print("R");

    Serial.println();

    rightButton = true;

  }
}

// This function intercepts mouse button release
void mouseReleased() {

  Serial.print("Released: ");

  if (!mouse.getButton(LEFT_BUTTON) && left==true) {

    Serial.print("L");

    leftButton = false;

  }

  if (!mouse.getButton(MIDDLE_BUTTON) && middle==true) {

    Serial.print("M");

    middleButton = false;

  }

  if (!mouse.getButton(RIGHT_BUTTON) && right==true) {

    Serial.print("R");

    rightButton = false;

  }

  Serial.println();
}

void setup()
{

  Serial.begin(9600);

  Serial.println("Program started");

  delay(200);
}

void loop()
{

  // Process USB tasks

  usb.Task();
}

 

See also