UniServ.h

00001 /* UniServ Servo Library
00002  * Copyright (c) 2010 Matt Parsons
00003  *
00004  * Permission is hereby granted, free of charge, to any person obtaining a copy
00005  * of this software and associated documentation files (the "Software"), to deal
00006  * in the Software without restriction, including without limitation the rights
00007  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00008  * copies of the Software, and to permit persons to whom the Software is
00009  * furnished to do so, subject to the following conditions:
00010  *
00011  * The above copyright notice and this permission notice shall be included in
00012  * all copies or substantial portions of the Software.
00013  *
00014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00017  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00018  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00019  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00020  * THE SOFTWARE.
00021  */
00022  
00023  #ifndef MBED_UNISERVE_H
00024  #define MBED_UNISERVE_H
00025  
00026  #include "mbed.h"
00027  
00028  class UniServ{
00029  
00030  public:
00031     UniServ(PinName);
00032     void write_us(int);
00033     int read_us();
00034     
00035  private:
00036     void SigStart();
00037     void SigStop();
00038     DigitalOut ServPin;
00039     int Period;
00040     int Position;
00041     int ServMin;
00042     int ServMax;
00043     Ticker Pulse;
00044     Timeout PulseEnd;
00045  
00046  };
00047     
00048     
00049 #endif
00050