mirror of
https://github.com/RobTillaart/Arduino.git
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97 lines
1.9 KiB
C++
97 lines
1.9 KiB
C++
#pragma once
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//
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// FILE: AD524X.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.4.0
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// PURPOSE: I2C digital PotentioMeter AD5241 AD5242
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// DATE: 2013-10-12
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// URL: https://github.com/RobTillaart/AD524X
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#include "Arduino.h"
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#include "Wire.h"
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#define AD524X_LIB_VERSION (F("0.4.0"))
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#define AD524X_OK 0
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#define AD524X_ERROR 100
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#define AD524X_MIDPOINT 127
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class AD524X
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{
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public:
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explicit AD524X(const uint8_t address, TwoWire *wire = &Wire);
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#if defined (ESP8266) || defined(ESP32)
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bool begin(uint8_t sda, uint8_t scl);
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#endif
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bool begin();
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bool isConnected();
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// RESET
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uint8_t reset(); // reset both channels to AD524X_MIDPOINT and O1/O2 to LOW
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uint8_t zeroAll(); // set both channels to 0 and O1/O2 to LOW
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// READ WRITE
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uint8_t read(const uint8_t rdac);
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uint8_t write(const uint8_t rdac, const uint8_t value);
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uint8_t write(const uint8_t rdac, const uint8_t value, const uint8_t O1, const uint8_t O2);
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// IO LINES
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uint8_t setO1(const uint8_t value = HIGH); // HIGH (default) / LOW
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uint8_t setO2(const uint8_t value = HIGH); // HIGH (default) / LOW
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uint8_t getO1();
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uint8_t getO2();
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uint8_t midScaleReset(const uint8_t rdac);
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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 = 0;
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uint8_t send(const uint8_t cmd, const uint8_t value);
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uint8_t _address;
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uint8_t _lastValue[2];
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uint8_t _O1;
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uint8_t _O2;
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TwoWire* _wire;
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};
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//////////////////////////////////////////////////////////////
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//
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// DERIVED CLASSES
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//
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class AD5241 : public AD524X
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{
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public:
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AD5241(const uint8_t address, TwoWire *wire = &Wire);
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};
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class AD5242 : public AD524X
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{
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public:
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AD5242(const uint8_t address, TwoWire *wire = &Wire);
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};
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// -- END OF FILE --
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