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Arduino Uno Mouse
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| /* | |
| Exploring Arduino - Code Listing 6-7: Processing Code to Read Data and Change Color on the Screen | |
| http://www.exploringarduino.com/content/ch6 | |
| Copyright 2013 Jeremy Blum ( http://www.jeremyblum.com ) | |
| This program is free software: you can redistribute it and/or modify | |
| it under the terms of the GNU General Public License v3 as published by | |
| the Free Software Foundation. | |
| */ | |
| //Processing Sketch to Read Value and Change Color on the Screen | |
| //Import and initialize serial port library | |
| import processing.serial.*; | |
| import java.lang.Math; | |
| import java.awt.Robot; | |
| Serial port; | |
| String data = " "; | |
| String[] values; | |
| float brightness = 0; //For holding value from pot | |
| float red = 0; | |
| float green = 0; | |
| float blue = 0; | |
| void setup() | |
| { | |
| size(500,500); //Window size | |
| port = new Serial(this, "COM4", 9600); //Set up serial | |
| port.bufferUntil('\n'); //Set up port to read until newline | |
| } | |
| void draw() | |
| { | |
| if(data != null && data.length() > 0) | |
| { | |
| values = data.split(","); | |
| } | |
| background(Float.parseFloat(values[0])*Float.parseFloat(values[3]),Float.parseFloat(values[1])*Float.parseFloat(values[3]),Float.parseFloat(values[2])*Float.parseFloat(values[3])); | |
| } | |
| void serialEvent (Serial port) | |
| { | |
| try{ | |
| data = port.readStringUntil('\n'); //Gets val | |
| }catch(RuntimeException e) { | |
| } | |
| } |
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| const int LEFT_BUTTON =2; //Input pin for the left button | |
| const int MIDDLE_BUTTON =3; //Input pin for the middle button | |
| const int RIGHT_BUTTON =4; //Input pin for the right button | |
| const int X_AXIS =0; //Joystick x-axis analog pin | |
| const int Y_AXIS =1; //Joystick y-axis analog pin | |
| int val; //For holding mapped pot value | |
| int readJoystick(int axis) | |
| { | |
| int val = analogRead(axis); //Read analog value | |
| //val = map(val, 0, 1023, -10, 10); //Map the reading | |
| if (val <= 2 && val >= -2) //Create dead zone to stop mouse drift | |
| return 0; | |
| else //Return scaled value | |
| return val; | |
| } | |
| void setup() | |
| { | |
| pinMode(LEFT_BUTTON, INPUT); | |
| pinMode(MIDDLE_BUTTON, INPUT); | |
| pinMode(RIGHT_BUTTON, INPUT); | |
| Serial.begin(9600); //Start Serial | |
| } | |
| void loop() | |
| { | |
| int xVal = analogRead(X_AXIS); | |
| int yVal = analogRead(Y_AXIS); | |
| Serial.print(xVal); | |
| Serial.print(","); | |
| Serial.print(yVal); | |
| Serial.print(","); | |
| Serial.print((boolean)digitalRead(LEFT_BUTTON));//Send value | |
| Serial.print(","); | |
| Serial.print((boolean)digitalRead(MIDDLE_BUTTON)); | |
| Serial.print(","); | |
| Serial.println((boolean)digitalRead(RIGHT_BUTTON)); | |
| delay(50); //Delay so we don't flood the computer | |
| } | |
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