Joystick.cpp

00001 #include "Joystick.h"
00002 
00003 /** Create a Joystick HID for using regular mbed pins
00004  *
00005  * @param up    Joystick Up
00006  * @param down  Joystick Down
00007  * @param left  Joystick Left
00008  * @param right Joystick Right
00009  * @param press Joystick Press
00010  */
00011 Joystick::Joystick(PinName up, PinName down, PinName left, PinName right, PinName press) :
00012         _up(up), _down(down), _left(left), _right(right), _press(press) {
00013     
00014 }
00015 
00016 void Joystick::functions(FunctionPointer *functionNone, FunctionPointer *functionUp, FunctionPointer *functionDown,
00017         FunctionPointer *functionLeft, FunctionPointer *functionRight, FunctionPointer *functionPress) {
00018     _functionNone = functionNone;
00019     _functionUp = functionUp;
00020     _functionDown = functionDown;
00021     _functionLeft = functionLeft;
00022     _functionRight = functionRight;
00023     _functionPress = functionPress;
00024 }
00025 
00026 /** Get status
00027  * Read the joystick status
00028  *
00029  * @returns Status of joystick
00030  */
00031 Joystick::Status Joystick::getStatus() {
00032     if (!_up) {
00033         return up;
00034     }
00035     if (!_down) {
00036         return down;
00037     }
00038     if (!_left) {
00039         return left;
00040     }
00041     if (!_right) {
00042         return right;
00043     }
00044     if (!_press) {
00045         return press;
00046     }
00047     return none;
00048 }
00049 
00050 void Joystick::poll() {
00051     switch (getStatus()) {
00052         case none:
00053             _functionNone->call();
00054             break;
00055         case up:
00056             _functionUp->call();
00057             break;
00058         case down:
00059             _functionDown->call();
00060             break;
00061         case left:
00062             _functionLeft->call();
00063             break;
00064         case right:
00065             _functionRight->call();
00066             break;
00067         case press:
00068             _functionPress->call();
00069             break;
00070         default:
00071             break;
00072     }
00073 }