RPG.h

00001 /**
00002  * =============================================================================
00003  * Rotary Pulse Generator class (Version 0.0.1)
00004  * =============================================================================
00005  * Copyright (c) 2012 Christopher Anderson
00006  *
00007  * Permission is hereby granted, free of charge, to any person obtaining a copy
00008  * of this software and associated documentation files (the "Software"), to deal
00009  * in the Software without restriction, including without limitation the rights
00010  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00011  * copies of the Software, and to permit persons to whom the Software is
00012  * furnished to do so, subject to the following conditions:
00013  *
00014  * The above copyright notice and this permission notice shall be included in
00015  * all copies or substantial portions of the Software.
00016  *
00017  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00018  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00019  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00020  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00021  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00022  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00023  * THE SOFTWARE.
00024  * =============================================================================
00025  */
00026  
00027 #ifndef MBED_RPG_H
00028 #define MBED_RPG_H
00029 
00030 #include "mbed.h"
00031 
00032 /**
00033  * Constructor(Channel A input pin, Channel B input pin, Pushbutton input pin)
00034  */
00035 class RPG{
00036 public:
00037     RPG(PinName pA, PinName pB, PinName pPB);
00038     
00039     //Destructor
00040     ~RPG();
00041     
00042     //Get Direction 
00043     int dir();
00044     //Check Push Button
00045     bool pb();
00046 
00047     
00048 private:
00049     BusInOut chRPG;
00050     DigitalIn PB;
00051     int RPGO;
00052     int RPGN;
00053 };
00054 #endif