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49 lines
1.0 KiB
C++
49 lines
1.0 KiB
C++
#pragma once
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//
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// FILE: MAX471.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.1
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// DATE: 2024-01-30
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// PURPOSE: Arduino library for MAX471 current sensor.
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// URL: https://github.com/RobTillaart/MAX471_RT
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#include "Arduino.h"
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#define MAX471_LIB_VERSION (F("0.1.1"))
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class MAX471
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{
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public:
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// red board
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MAX471(uint8_t currentPin, uint8_t voltagePin);
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// purple board
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MAX471(uint8_t currentPin, uint8_t voltagePin, uint8_t signPin);
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// ADC parameters, defaults 10 bit 5V (UNO)
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// assumes both ADC are equal.
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void begin(float maxVoltage = 5, uint16_t maxSteps = 1023);
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float readCurrent(uint8_t times = 1);
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float readCurrentMilliAmpere(uint8_t times = 1);
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float readVoltage(uint8_t times = 1);
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float readVoltageMilliVolts(uint8_t times = 1);
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float calcPower();
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float calcPowerMilliWatt();
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protected:
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uint8_t _currentPin;
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uint8_t _voltagePin;
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uint8_t _signPin;
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float _current;
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float _voltage;
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float _units;
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};
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// -- END OF FILE --
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