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working version with calibration done
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Diff: IR/PwmIn/PwmIn.cpp
- Revision:
- 11:5ba926692210
- Parent:
- 10:2bd9f4e02b74
diff -r 2bd9f4e02b74 -r 5ba926692210 IR/PwmIn/PwmIn.cpp --- a/IR/PwmIn/PwmIn.cpp Sun Apr 07 16:30:49 2013 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,76 +0,0 @@ -/* mbed PwmIn Library - * Copyright (c) 2008-2010, sford - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "PwmIn.h" -#include "globals.h" - -PwmIn::PwmIn(PinName p) : _p(p) { - #ifdef PWM_INVERT - _p.rise(this, &PwmIn::fall); - _p.fall(this, &PwmIn::rise); - #else - _p.rise(this, &PwmIn::rise); - _p.fall(this, &PwmIn::fall); - #endif - - _period = 0.0; - _pulsewidth = 0.0; - _t.start(); - - //init callabck function - callbackfunc = NULL; - callbackobj = NULL; - mcallbackfunc = NULL; - -} - -float PwmIn::period() { - return _period; -} - -float PwmIn::pulsewidth() { - return _pulsewidth; -} - -float PwmIn::dutycycle() { - return _pulsewidth / _period; -} - -void PwmIn::rise() { - _period = _t.read_us(); - _t.reset(); - - - - -} - -void PwmIn::fall() { - _pulsewidth = _t.read_us(); - - if (callbackfunc) - (*callbackfunc)(_pulsewidth); - - if (callbackobj && mcallbackfunc) - (callbackobj->*mcallbackfunc)(_pulsewidth); - -}