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102 lines
2.5 KiB
C++
102 lines
2.5 KiB
C++
#pragma once
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//
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// FILE: HeartBeat.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.3.0
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// PURPOSE: Arduino library for HeartBeat with frequency and dutyCycle
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// DATE: 2019-06-12
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// URL: https://github.com/RobTillaart/HeartBeat
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#include "Arduino.h"
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#define HEARTBEAT_LIB_VERSION (F("0.3.0"))
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class HeartBeat
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{
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public:
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HeartBeat();
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void begin(const uint8_t pin, float frequency = 1.0);
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void setFrequency(float frequency = 1.0);
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void setDutyCycle(float dutyCycle = 50);
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float getFrequency() { return _frequency; };
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float getDutyCycle() { return _dutyCycle; };
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inline void enable() { _running = true; };
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inline void disable() { _running = false; };
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void beat();
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uint8_t getState() { return _state; };
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protected:
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void _setFreqDuty();
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float _frequency = 1.0;
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float _dutyCycle = 50;
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uint32_t _lastHeartBeat = 0;
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uint32_t _dutyCycleHigh = 500;
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uint32_t _dutyCycleLow = 500;
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bool _running = false;
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uint8_t _pin = 255;
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uint8_t _state = LOW;
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};
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/////////////////////////////////////////////////////////////////////////////
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//
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// HEARTBEATDIAG
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//
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class HeartBeatDiag : public HeartBeat
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{
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public:
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HeartBeatDiag();
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void beat();
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// pattern = up to 9 digits, indicating the relative length of the pulses
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// of the error or diagnostic code
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bool code(uint32_t pattern); // executes ONE time
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void codeOff() { _codeMask = 0; }; // explicit stop.
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protected:
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uint32_t _code = 0; // up to 9 digits
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uint32_t _codeMask = 0; // to extract the bit value from code
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uint8_t _codeStart = 0; // force starting with LOW
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uint8_t _pulseLength = 0; // to track length of current pulse
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};
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/////////////////////////////////////////////////////////////////////////////
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//
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// HEARTBEATSL (simpler, has a smaller footprint as HeartBeatDiag
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//
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class HeartBeatSL : public HeartBeat
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{
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public:
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HeartBeatSL();
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void beat();
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// str = string of L (long) and S or non-L (short) characters.
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// L is a pulse of 3 units, S is a pulse of 1 unit.
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bool code(const char * str); // executes ONE time
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void codeOff() { _codeMask = 0; }; // explicit stop.
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protected:
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uint8_t _code = 0; // up to 7 bits
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uint8_t _codeMask = 0; // to extract the bit value from code
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uint8_t _codeStart = 0; // force starting with LOW
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uint8_t _pulseLength = 0; // to track length of current pulse
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};
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// -- END OF FILE --
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