Trackball.h

00001 #ifndef MBED_TRACKBALL_H
00002 #define MBED_TRACKBALL_H
00003 
00004 
00005 #include "mbed.h"
00006 
00007 #define dir_UP 1
00008 #define dir_DOWN 2
00009 #define dir_LEFT 3
00010 #define dir_RIGHT 4
00011 #define dir_BUTTON 5
00012 #define color_WHITE 1
00013 #define color_RED 2
00014 #define color_GREEN 3
00015 #define color_BLUE 4
00016 
00017 //Setup a new class for a Trackball Module
00018 class Trackball
00019 {
00020 public:
00021     Trackball(PinName pin_btn, PinName pin_lft, PinName pin_rht, PinName pin_up, PinName pin_dwn, PinName pin_wht, PinName pin_grn, PinName pin_red, PinName pin_blu);
00022     unsigned int read(int dir);
00023     void write(unsigned int val, int color);
00024 private:
00025 //class sets up the pins
00026     DigitalIn _pin_btn;
00027     DigitalIn _pin_lft;
00028     DigitalIn _pin_rht;
00029     DigitalIn _pin_up;
00030     DigitalIn _pin_dwn;
00031     DigitalOut _pin_wht;
00032     DigitalOut _pin_grn;
00033     DigitalOut _pin_red;
00034     DigitalOut _pin_blu;
00035 };
00036 
00037 #endif