83 lines
4.0 KiB
C
83 lines
4.0 KiB
C
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//******************************************************************************************
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// File: PS_SoundPressureLevel.h
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// Authors: Dan G Ogorchock & Daniel J Ogorchock (Father and Son)
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//
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// Summary: PS_SoundPressureLevel is a class which implements the "Sound Pressure Level" device capability.
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// It inherits from the st::PollingSensor class. The current version uses an analog input to measure the
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// voltage on an anlog input pin and then scale it to engineering units.
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//
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// The last four arguments of the constructor are used as arguments to an Arduino map() function which
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// is used to scale the analog input readings (e.g. 0 to 1024) to Engineering Units before sending to SmartThings.
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//
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// Create an instance of this class in your sketch's global variable section
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// For Example: static st::PS_SoundPressureLevel sensor1(F("soundPressureLevel1"), 60, 0, PIN_SPL, 0, 1024, 0.0, 165.0, 50);
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//
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// st::PS_SoundPressureLevel() 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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// - byte pin - REQUIRED - the Arduino Pin to be used as an analog input
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// - double s_l - OPTIONAL - first argument of Arduino map(s_l,s_h,m_l,m_h) function to scale the output - minimum raw AI value
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// - double s_h - OPTIONAL - second argument of Arduino map(s_l,s_h,m_l,m_h) function to scale the output - maximum raw AI value
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// - double m_l - OPTIONAL - third argument of Arduino map(s_l,s_h,m_l,m_h) function to scale the output - Engineering Unit Min (or Max if inverting)
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// - double m_h - OPTIONAL - fourth argument of Arduino map(s_l,s_h,m_l,m_h) function to scale the output - Engineering Unit Max (or Min if inverting)
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// - long m_nHighSpeedPollingInterval - OPTIONAL - number of milliseconds between high speed analog reads - defaults to 50ms
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//
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// This class supports receiving configuration data from the SmartThings cloud via the ST App. A user preference
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// can be configured in your phone's ST App, and then the "Configure" tile will send the data for all sensors to
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// the ST Shield. For PollingSensors, this data is handled in the beSMart() function.
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//
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// TODO: Determine a method to persist the ST Cloud's Polling Interval data
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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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// 2019-07-08 Dan Ogorchock Original Creation
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//
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//
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//******************************************************************************************
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#ifndef ST_PS_SOUNDPRESSURELEVEL_H
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#define ST_PS_SOUNDPRESSURELEVEL_H
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#include "PollingSensor.h"
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namespace st
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{
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class PS_SoundPressureLevel: public PollingSensor
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{
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private:
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byte m_nAnalogInputPin;
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float m_fSensorValue;
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double SENSOR_LOW, SENSOR_HIGH, MAPPED_LOW, MAPPED_HIGH;
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long m_nPrevMillis;
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long m_nHighSpeedPollingInterval;
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float map_double(double x, double in_min, double in_max, double out_min, double out_max);
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public:
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//constructor - called in your sketch's global variable declaration section
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PS_SoundPressureLevel(const __FlashStringHelper *name, unsigned int interval, int offset, byte analogInputPin, double s_l=0, double s_h=1024, double m_l=0.0, double m_h=165.0, long HighSpeedPollingInterval = 50);
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//destructor
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virtual ~PS_SoundPressureLevel();
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//SmartThings Shield data handler (receives configuration data from ST - polling interval, and adjusts on the fly)
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virtual void beSmart(const String &str);
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//update function
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virtual void update();
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//function to get data from sensor and queue results for transfer to ST Cloud
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virtual void getData();
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//gets
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inline byte getPin() const {return m_nAnalogInputPin;}
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inline float getSensorValue() const {return m_fSensorValue;}
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//sets
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void setPin(byte pin);
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};
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}
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#endif
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