mirror of
https://github.com/RobTillaart/Arduino.git
synced 2024-10-03 18:09:02 -04:00
207 lines
4.7 KiB
C++
207 lines
4.7 KiB
C++
#pragma once
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//
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// FILE: AD5144A.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.3.0
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// PURPOSE: I2C digital PotentioMeter AD5144A
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// DATE: 2021-04-30
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// URL: https://github.com/RobTillaart/AD5144A
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//
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// Datasheet: REV-C 7/2019
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#include "Arduino.h"
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#include "Wire.h"
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#define AD51XXA_VERSION (F("0.3.0"))
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#define AD51XXA_OK 0
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#define AD51XXA_ERROR 100
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#define AD51XXA_INVALID_POT 101
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#define AD51XXA_INVALID_VALUE 102
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class AD51XX
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{
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public:
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explicit AD51XX(const uint8_t address, TwoWire *wire = &Wire);
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bool begin(bool doReset = true);
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bool isConnected();
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uint8_t getAddress();
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uint8_t reset();
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// BASE functions
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// rdac = 0..3 - zero based indexing...
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uint8_t write(const uint8_t rdac, const uint8_t value);
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// fast read from cache
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uint8_t read(const uint8_t rdac);
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// additional write functions
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uint8_t writeAll(const uint8_t value); // set all channels to same value
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uint8_t zeroAll();
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uint8_t midScaleAll(); // _maxValue + 1)/2
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uint8_t maxAll();
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uint8_t zero(const uint8_t rdac);
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uint8_t midScale(const uint8_t rdac); // _maxValue + 1)/2
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uint8_t maxValue(const uint8_t rdac);
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// EEPROM functions
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// defines power up value; copies between RDAC and EEPROM
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uint8_t storeEEPROM(const uint8_t rdac);
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uint8_t storeEEPROM(const uint8_t rdac, const uint8_t value);
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uint8_t recallEEPROM(const uint8_t rdac);
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// page 27
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uint8_t setTopScale(const uint8_t rdac);
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uint8_t clrTopScale(const uint8_t rdac);
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uint8_t setTopScaleAll();
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uint8_t clrTopScaleAll();
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uint8_t setBottomScale(const uint8_t rdac);
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uint8_t clrBottomScale(const uint8_t rdac);
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uint8_t setBottomScaleAll();
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uint8_t clrBottomScaleAll();
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// page 27-28
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uint8_t setLinearMode(const uint8_t rdac);
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uint8_t setPotentiometerMode(const uint8_t rdac);
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// 0 = potentiometer, 1 = linear
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uint8_t getOperationalMode(const uint8_t rdac);
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uint8_t incrementLinear(const uint8_t rdac);
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uint8_t incrementLinearAll();
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uint8_t decrementLineair(const uint8_t rdac);
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uint8_t decrementLineairAll();
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uint8_t increment6dB(const uint8_t rdac);
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uint8_t increment6dBAll();
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uint8_t decrement6dB(const uint8_t rdac);
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uint8_t decrement6dBAll();
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// SYNC functions
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// preload registers to change all channels synchronous
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uint8_t preload(const uint8_t rdac, const uint8_t value);
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uint8_t preloadAll(const uint8_t value);
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// copy the preloads to the channels. The bit mask indicates which channels
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// b00001101 would indicate channel 0, 2 and 3;
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// sync can not have a default mask as one doesn't know which preloads
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// are set and which not.
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uint8_t sync(const uint8_t mask);
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// MISC
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uint8_t pmCount();
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uint8_t maxValue();
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uint8_t shutDown();
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// returns the value from internal registers.
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uint8_t readBackINPUT(const uint8_t rdac);
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uint8_t readBackEEPROM(const uint8_t rdac);
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uint8_t readBackCONTROL(const uint8_t rdac);
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uint8_t readBackRDAC(const uint8_t rdac);
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// USE WITH CARE - READ DATASHEET
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// write to control register
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//
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// value : 0 1
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// bit 0 : FREEZE RDAC's normal operation
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// bit 1 : EEPROM DISABLED normal operation
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// bit 2 : normal operation LINEAR GAIN MODE
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// bit 3 : normal operation BURST MODE
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//
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uint8_t writeControlRegister(uint8_t mask);
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// TODO separate get set functions ?
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// uint8_t writeControlRegisterBit(uint8_t mask);
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protected:
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uint8_t _potCount = 4; // unknown, default max
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uint8_t _maxValue = 255; // unknown, default max
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uint8_t send(const uint8_t cmd, const uint8_t value);
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uint8_t readBack(const uint8_t rdac, const uint8_t mask);
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uint8_t _address;
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uint8_t _lastValue[4];
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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 AD5123 : public AD51XX
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{
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public:
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AD5123(const uint8_t address, TwoWire *wire = &Wire);
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};
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class AD5124 : public AD51XX
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{
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public:
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AD5124(const uint8_t address, TwoWire *wire = &Wire);
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};
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class AD5143 : public AD51XX
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{
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public:
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AD5143(const uint8_t address, TwoWire *wire = &Wire);
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};
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class AD5144 : public AD51XX
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{
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public:
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AD5144(const uint8_t address, TwoWire *wire = &Wire);
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};
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class AD5144A : public AD51XX
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{
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public:
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AD5144A(const uint8_t address, TwoWire *wire = &Wire);
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};
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class AD5122A : public AD51XX
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{
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public:
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AD5122A(const uint8_t address, TwoWire *wire = &Wire);
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};
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class AD5142A : public AD51XX
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{
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public:
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AD5142A(const uint8_t address, TwoWire *wire = &Wire);
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};
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class AD5121 : public AD51XX
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{
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public:
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AD5121(const uint8_t address, TwoWire *wire = &Wire);
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};
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class AD5141 : public AD51XX
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{
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public:
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AD5141(const uint8_t address, TwoWire *wire = &Wire);
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};
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// -- END OF FILE --
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