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https://github.com/RobTillaart/Arduino.git
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77 lines
1.4 KiB
C++
77 lines
1.4 KiB
C++
#pragma once
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//
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// FILE: AD5248.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.1
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// PURPOSE: Library for I2C digital potentiometer AD5243 + rheostat AD5248
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// DATE: 2023-12-12
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// URL: https://github.com/RobTillaart/AD5248
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#include "Arduino.h"
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#include "Wire.h"
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#define AD5248_LIB_VERSION (F("0.1.1"))
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#define AD5248_OK 0
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#define AD5248_ERROR 100
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#define AD5248_MIDPOINT 127
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class AD5248
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{
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public:
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AD5248(uint8_t address, TwoWire * wire = &Wire);
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bool begin();
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bool isConnected();
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uint8_t getAddress();
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// RESET
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uint8_t reset(); // reset both channels to AD524X_MIDPOINT
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uint8_t zeroAll(); // set both channels to 0
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// READ WRITE
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uint8_t read(const uint8_t channel);
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uint8_t write(const uint8_t channel, const uint8_t value);
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uint8_t midScaleReset(const uint8_t channel);
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uint8_t pmCount();
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// DEBUGGING
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uint8_t readBackRegister(); // returns the last value written in register.
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// experimental - to be tested - use at own risk
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uint8_t shutDown(); // datasheet P15
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protected:
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uint8_t _pmCount = 2;
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uint8_t send(const uint8_t cmd, const uint8_t value);
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uint8_t _lastValue[2];
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uint8_t _address;
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TwoWire * _wire;
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};
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//////////////////////////////////////////////////////////////
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//
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// DERIVED CLASS AD5243 potentiometer
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//
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class AD5243 : public AD5248
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{
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public:
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AD5243(TwoWire *wire = &Wire);
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};
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// -- END OF FILE --
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