mirror of
https://github.com/RobTillaart/Arduino.git
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140 lines
3.4 KiB
C++
140 lines
3.4 KiB
C++
#pragma once
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//
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// FILE: AD520X.h
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// AUTHOR: Rob Tillaart
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// DATE: 2020-07-24
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// VERSION: 0.4.0
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// PURPOSE: Arduino library for AD5204 and AD5206 digital potentiometers
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// (+ AD8400, AD8402, AD8403)
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// URL: https://github.com/RobTillaart/AD520X
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#include "Arduino.h"
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#include "SPI.h"
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#define AD520X_LIB_VERSION (F("0.4.0"))
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#ifndef AD520X_MIDDLE_VALUE
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#define AD520X_MIDDLE_VALUE 128
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#endif
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#if defined(ARDUINO_ARCH_RP2040)
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#define __SPI_CLASS__ SPIClassRP2040
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#else
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#define __SPI_CLASS__ SPIClass
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#endif
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class AD520X
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{
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public:
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// HARDWARE SPI
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AD520X(uint8_t select, uint8_t reset, uint8_t shutdown, __SPI_CLASS__ * mySPI = &SPI);
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// SOFTWARE SPI
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AD520X(uint8_t select, uint8_t reset, uint8_t shutdown, uint8_t dataOut, uint8_t clock);
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void begin(uint8_t value = AD520X_MIDDLE_VALUE);
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void reset(uint8_t value = AD520X_MIDDLE_VALUE);
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// MONO / SINGLE
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bool setValue(uint8_t pm = 0, uint8_t value = AD520X_MIDDLE_VALUE);
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uint8_t getValue(uint8_t pm = 0);
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// STEREO / DOUBLE
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bool setValue(uint8_t pmA, uint8_t pmB, uint8_t value);
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// GROUP
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void setAll(uint8_t value = AD520X_MIDDLE_VALUE);
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void setGroupValue(uint8_t mask, uint8_t value = AD520X_MIDDLE_VALUE);
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// MONO / SINGLE
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bool setPercentage(uint8_t pm = 0, float percentage = 50);
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float getPercentage(uint8_t pm = 0);
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// STEREO / DOUBLE
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bool setPercentage(uint8_t pmA, uint8_t pmB, float percentage);
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// GROUP
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void setGroupPercentage(uint8_t mask, float percentage);
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// speed in Hz
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void setSPIspeed(uint32_t speed);
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uint32_t getSPIspeed();
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// MISC
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uint8_t pmCount();
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void powerOn();
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void powerOff();;
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bool isPowerOn();
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// Debugging
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bool usesHWSPI();
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protected:
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uint8_t _dataOut;
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uint8_t _clock;
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uint8_t _select;
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uint8_t _reset;
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uint8_t _shutdown;
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bool _hwSPI;
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uint32_t _SPIspeed = 16000000;
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uint8_t _value[6];
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uint8_t _pmCount = 6;
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void updateDevice(uint8_t pm, uint8_t value);
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void swSPI_transfer(uint8_t value);
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__SPI_CLASS__ * _mySPI;
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SPISettings _spi_settings;
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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 AD5206 : public AD520X
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{
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public:
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AD5206(uint8_t select, uint8_t reset, uint8_t shutdown, __SPI_CLASS__ * mySPI = &SPI);
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AD5206(uint8_t select, uint8_t reset, uint8_t shutdown, uint8_t dataOut, uint8_t clock);
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};
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class AD5204 : public AD520X
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{
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public:
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AD5204(uint8_t select, uint8_t reset, uint8_t shutdown, __SPI_CLASS__ * mySPI = &SPI);
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AD5204(uint8_t select, uint8_t reset, uint8_t shutdown, uint8_t dataOut, uint8_t clock);
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};
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class AD8400 : public AD520X
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{
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public:
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AD8400(uint8_t select, uint8_t reset, uint8_t shutdown, __SPI_CLASS__ * mySPI = &SPI);
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AD8400(uint8_t select, uint8_t reset, uint8_t shutdown, uint8_t dataOut, uint8_t clock);
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};
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class AD8402 : public AD520X
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{
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public:
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AD8402(uint8_t select, uint8_t reset, uint8_t shutdown, __SPI_CLASS__ * mySPI = &SPI);
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AD8402(uint8_t select, uint8_t reset, uint8_t shutdown, uint8_t dataOut, uint8_t clock);
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};
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class AD8403 : public AD520X
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{
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public:
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AD8403(uint8_t select, uint8_t reset, uint8_t shutdown, __SPI_CLASS__ * mySPI = &SPI);
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AD8403(uint8_t select, uint8_t reset, uint8_t shutdown, uint8_t dataOut, uint8_t clock);
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};
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// -- END OF FILE --
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