PwmOutAny.cpp

00001 #include "PwmOutAny.h"
00002 
00003 float _period;
00004 float _PercentHigh;
00005 
00006 PwmOutAny::PwmOutAny(PinName pin1, float Period, float PercentHigh):_PwmOut(pin1) 
00007 {
00008     _period=Period;
00009     _PercentHigh=PercentHigh ;
00010     _PwmTicker.attach(this,&PwmOutAny::TickerFlipper,_period/2);
00011 }
00012 
00013 void PwmOutAny::TickerFlipper()
00014 {
00015     static float CurrentPeriod;
00016     if(!_PwmOut)
00017     {
00018             _PwmTicker.detach();
00019             _PwmTicker.attach(this,&PwmOutAny::TickerFlipper,CurrentPeriod*(_PercentHigh));
00020             _PwmOut = true;
00021     }
00022     else
00023     {
00024            CurrentPeriod = _period;
00025             _PwmTicker.detach();
00026             _PwmTicker.attach(this,&PwmOutAny::TickerFlipper,CurrentPeriod*(1.0-_PercentHigh));
00027             _PwmOut = false;
00028     }
00029 }
00030 
00031 
00032  float PwmOutAny::Get_PulseWidth()
00033 {
00034     return (_PercentHigh);
00035     
00036 }
00037  void  PwmOutAny::Set_PulseWidth(float PW)
00038 {
00039         _PercentHigh = PW;
00040 }
00041  float PwmOutAny::Get_Period()
00042 {
00043     return _period;
00044 }
00045  void  PwmOutAny::Set_Period(float ChangePeriod)
00046 {
00047     _period = ChangePeriod;
00048 }
00049