Library for functionality of Blackberry Trackerball Breakout
Dependents: BlackberryTrackerballBreakout_HelloWorld
Trackball.cpp
- Committer:
- jkerickson
- Date:
- 2015-10-21
- Revision:
- 0:9d5ffffa45a1
File content as of revision 0:9d5ffffa45a1:
#include "mbed.h" #include "Trackball.h" Trackball::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) : _pin_btn(pin_btn), _pin_lft(pin_lft), _pin_rht(pin_rht), _pin_up(pin_up), _pin_dwn(pin_dwn), _pin_wht(pin_wht), _pin_grn(pin_grn), _pin_red(pin_red), _pin_blu(pin_blu) { //initialize all LED pins to off. _pin_wht = 0; _pin_grn = 0; _pin_red = 0; _pin_blu = 0; } void Trackball::write(unsigned int val, int color) { if (color == color_WHITE){_pin_wht = val;} else if(color == color_BLUE){_pin_blu = val;} else if(color == color_GREEN){_pin_grn = val;} else if(color == color_RED){_pin_red = val;} else {printf("Invalid LED Color");} } unsigned int Trackball::read(int dir) { unsigned int val; if(dir == dir_UP){val = _pin_up;} else if(dir == dir_DOWN){val = _pin_dwn;} else if(dir == dir_RIGHT){val = _pin_rht;} else if(dir == dir_LEFT){val = _pin_lft;} else if(dir == dir_BUTTON){val = _pin_btn;} return val; }