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Eurobot 2013 IR testbench
Diff: PwmIn/PwmIn.cpp
- Revision:
- 1:818904abef3d
- Parent:
- 0:5ebe36076172
--- a/PwmIn/PwmIn.cpp Wed Nov 14 16:53:28 2012 +0000 +++ b/PwmIn/PwmIn.cpp Wed Nov 14 18:44:03 2012 +0000 @@ -1,52 +1,76 @@ -/* 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" - -PwmIn::PwmIn(PinName p) : _p(p) { - _p.rise(this, &PwmIn::rise); - _p.fall(this, &PwmIn::fall); - _period = 0.0; - _pulsewidth = 0.0; - _t.start(); -} - -float PwmIn::period() { - return _period; -} - -float PwmIn::pulsewidth() { - return _pulsewidth; -} - -float PwmIn::dutycycle() { - return _pulsewidth / _period; -} - -void PwmIn::rise() { - _period = _t.read(); - _t.reset(); -} - -void PwmIn::fall() { - _pulsewidth = _t.read(); -} +/* 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(); + _t.reset(); + + + + +} + +void PwmIn::fall() { + _pulsewidth = _t.read(); + + if (callbackfunc) + (*callbackfunc)(_pulsewidth / _period); + + if (callbackobj && mcallbackfunc) + (callbackobj->*mcallbackfunc)(_pulsewidth / _period); + +}