Andrew's git - arduino-weather.git/blob - libraries/Mitov/Mitov

   1////////////////////////////////////////////////////////////////////////////////
   2//                                                                            //
   3//     This software is supplied under the terms of a license agreement or    //
   4//     nondisclosure agreement with Mitov Software and may not be copied      //
   5//     or disclosed except in accordance with the terms of that agreement.    //
   6//         Copyright(c) 2002-2016 Mitov Software. All Rights Reserved.        //
   7//                                                                            //
   8////////////////////////////////////////////////////////////////////////////////
   9
  10#ifndef _MITOV_INFRARED_AVOIDANCE_SENSOR_h
  11#define _MITOV_INFRARED_AVOIDANCE_SENSOR_h
  12
  13#include <Mitov.h>
  14
  15namespace Mitov
  16{
  17        class InfraredAvoidanceSensor : public Mitov::CommonEnableFilter
  18        {
  19                typedef Mitov::CommonEnableFilter inherited;
  20
  21        public:
  22                OpenWire::SinkPin       EnableInputPin;
  23                OpenWire::SourcePin     EnableOutputPin;
  24
  25        public:
  26                unsigned long   EnableDelay = 500;
  27
  28        protected:
  29                unsigned long   FStartTime = 0;
  30                bool            FDisabled = false;
  31                bool            FCurrentValue = false;
  32
  33        protected:
  34                virtual void DoReceive( void *_Data )
  35                {
  36                        FCurrentValue = *(bool *)_Data;
  37                        if( ! FDisabled )
  38                                OutputPin.Notify( &FCurrentValue );
  39                }
  40
  41                void DoEnableReceive( void *_Data )
  42                {
  43                        bool AValue = *(bool *)_Data;
  44                        if( AValue == Enabled )
  45                                return;
  46
  47                        Enabled = AValue;
  48                        TryStartTimer();
  49                }
  50
  51
  52                void TryStartTimer()
  53                {
  54                        if( Enabled )
  55                        {
  56                                FDisabled = true;
  57                                FStartTime = millis();
  58                        }
  59
  60                        EnableOutputPin.Notify( &Enabled );
  61                }
  62
  63        protected:
  64                virtual void SystemInit()
  65                {
  66                        inherited::SystemInit();
  67                        TryStartTimer();
  68                }
  69
  70                virtual void SystemLoopBegin( unsigned long currentMicros )
  71                {
  72                        if( FDisabled )
  73                        {
  74                                unsigned long   currentMilis = millis();
  75                                if( currentMilis - FStartTime >= EnableDelay )
  76                                {
  77                                        FDisabled = false;
  78                                        OutputPin.Notify( &FCurrentValue );
  79                                }
  80                        }
  81
  82                        inherited::SystemLoopBegin( currentMicros );
  83                }
  84
  85        public:
  86                InfraredAvoidanceSensor()
  87                {
  88                        EnableInputPin.SetCallback( this, (OpenWire::TOnPinReceive)&InfraredAvoidanceSensor::DoEnableReceive );
  89                }
  90
  91        };
  92}
  93
  94#endif