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working version with calibration done
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Diff: IR_Turret/PwmIn/PwmIn.cpp
- Revision:
- 11:5ba926692210
- Parent:
- 10:2bd9f4e02b74
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/IR_Turret/PwmIn/PwmIn.cpp Tue Apr 09 15:32:47 2013 +0000 @@ -0,0 +1,78 @@ +/* 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 "IR_Turret.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); + +}