113 lines
2.5 KiB
C++
113 lines
2.5 KiB
C++
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//******************************************************************************************
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// File: PollingSensor.cpp
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// Authors: Dan G Ogorchock & Daniel J Ogorchock (Father and Son)
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//
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// Summary: st::PollingSensor is a generic class which inherits from st::Sensor. This is the
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// parent class for the st::PS_Illuminace, st::PS_Water, and PS_TemperatureHumidity classes.
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//
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// In general, this file should not need to be modified.
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//
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// st::PollingSensor() constructor requires the following arguments
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// - String &name - REQUIRED - the name of the object - must match the Groovy ST_Anything DeviceType tile name
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// - long interval - REQUIRED - the polling interval in seconds
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// - long offset - REQUIRED - the polling interval offset in seconds - used to prevent all polling sensors from executing at the same time
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//
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// Change History:
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//
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// Date Who What
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// ---- --- ----
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// 2015-01-03 Dan & Daniel Original Creation
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//
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//
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//******************************************************************************************
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#include "PollingSensor.h"
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#include "Constants.h"
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#include "Everything.h"
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namespace st
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{
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//private
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bool PollingSensor::checkInterval()
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{
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//check for time overflow
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if(millis()<m_nPreviousTime)
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{
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if (debug)
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{
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Serial.println(F("PollingSensor: millis() Overflow handled"));
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}
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m_nPreviousTime = 0;
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}
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if(m_nPreviousTime==0) //eliminates problem of there being a delay before first update() call
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{
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m_nPreviousTime=millis();
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}
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//calculate new delta time
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m_nDeltaTime+=(millis()-m_nPreviousTime)-m_nOffset;
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m_nOffset=0;
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m_nPreviousTime=millis();
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//determine interval has passed
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if(m_nDeltaTime>=m_nInterval)
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{
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m_nDeltaTime=0;
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return true;
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}
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else
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{
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return false;
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}
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}
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//public
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//constructor
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PollingSensor::PollingSensor(const __FlashStringHelper *name, long interval, long offset):
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Sensor(name),
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m_nPreviousTime(0),
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m_nDeltaTime(0),
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m_nInterval(interval*1000),
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m_nOffset(offset*1000)
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{
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}
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//destructor
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PollingSensor::~PollingSensor()
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{
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}
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void PollingSensor::init()
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{
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getData();
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}
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void PollingSensor::refresh()
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{
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getData();
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}
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void PollingSensor::update()
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{
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if(checkInterval())
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{
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getData();
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}
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}
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void PollingSensor::getData()
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{
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if(debug)
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{
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Everything::sendSmartString(getName() + F(" triggered"));
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}
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}
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//debug flag to determine if debug print statements are executed (set value in your sketch)
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bool PollingSensor::debug=false;
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}
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