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working version with calibration done
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Diff: IR/PwmIn/PwmIn.h
- Revision:
- 11:5ba926692210
- Parent:
- 10:2bd9f4e02b74
--- a/IR/PwmIn/PwmIn.h Sun Apr 07 16:30:49 2013 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,78 +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. - */ - -#ifndef MBED_PWMIN_H -#define MBED_PWMIN_H - -#include "mbed.h" - -/** PwmIn class to read PWM inputs - * - * Uses InterruptIn to measure the changes on the input - * and record the time they occur - * - * @note uses InterruptIn, so not available on p19/p20 - */ -class DummyCT; - -class PwmIn { -public: - /** Create a PwmIn - * - * @param p The pwm input pin (must support InterruptIn) - */ - PwmIn(PinName p); - - /** Read the current period - * - * @returns the period in micro seconds - */ - float period(); - - /** Read the current pulsewidth - * - * @returns the pulsewidth in micro seconds - */ - float pulsewidth(); - - /** Read the current dutycycle - * - * @returns the dutycycle as a percentage, represented between 0.0-1.0 - */ - float dutycycle(); - - /** A assigns a callback function when a new reading is available **/ - void (*callbackfunc)(float pulsewidth); - DummyCT* callbackobj; - void (DummyCT::*mcallbackfunc)(float pulsewidth); - - -protected: - void rise(); - void fall(); - - InterruptIn _p; - Timer _t; - float _pulsewidth, _period; -}; - -#endif