mirror of
https://github.com/RobTillaart/Arduino.git
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160 lines
3.4 KiB
C++
160 lines
3.4 KiB
C++
#pragma once
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//
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// FILE: AD568X.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.0
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// DATE: 2023-09-18
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// PURPOSE: Arduino library for AD568X series Digital Analog Convertor.
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#include "Arduino.h"
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#include "SPI.h"
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#define AD568X_LIB_VERSION (F("0.1.0"))
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#define AD568X_PWR_NORMAL 0x00
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#define AD568X_PWR_1K 0x01
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#define AD568X_PWR_100K 0x02
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#define AD568X_PWR_TRI_STATE 0x03
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class AD568X
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{
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public:
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AD568X(uint8_t slaveSelect);
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AD568X(uint8_t spiData, uint8_t spiClock, uint8_t slaveSelect);
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void begin();
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uint8_t getType();
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// optional LDAC interface
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void setLDACPin(uint8_t ldac);
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bool triggerLDAC(); // return false if pin not set.
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// SET DAC
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// sets output immediately = prepare + update.
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bool setValue(uint16_t value);
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uint16_t getValue();
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bool setPercentage(float percentage);
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float getPercentage();
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// prep & update separately
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bool prepareValue(uint16_t value);
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bool updateValue();
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// CONTROL REGISTER (see datasheet)
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// bit meaning
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// 15 reset
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// 14 power down 1
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// 13 power down 0
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// 12 REFerence selection
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// 11 GAIN
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// 10 DCEN, Daisy Chain ENable
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// other 0
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// set register in one call.
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bool setControlRegister(uint16_t value);
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uint16_t getControlRegister();
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bool reset();
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bool setPowerDownMode(uint8_t mode = AD568X_PWR_NORMAL);
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bool disableReference(bool b);
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bool enableGain(bool enable = false);
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bool enableDaisyChain(bool enable = false);
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// SPI
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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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bool usesHWSPI();
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// ESP32 specific
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#if defined(ESP32)
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void selectHSPI();
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void selectVSPI();
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bool usesHSPI();
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bool usesVSPI();
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// to overrule ESP32 default hardware pins
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void setGPIOpins(uint8_t clk, uint8_t miso, uint8_t mosi, uint8_t select);
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#endif
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protected:
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uint8_t _type = 0; // # bits
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uint8_t _dataOut = 255;
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uint8_t _clock = 255;
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uint8_t _select = 255;
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uint8_t _ldac = 255;
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uint16_t _value = 0;
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uint16_t _controlReg = 0;
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bool _hwSPI = false;
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uint32_t _SPIspeed = 16000000;
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void updateDevice(uint8_t cmd, uint16_t value);
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void updateDevice(uint8_t a, uint8_t b, uint8_t c);
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void swSPI_transfer(uint8_t value);
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SPIClass * mySPI;
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SPISettings _spi_settings;
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#if defined(ESP32)
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bool _useHSPI = true;
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#endif
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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 AD5680 : public AD568X need 32 bit value...etc
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// {
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// public:
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// AD5680(uint8_t slaveSelect);
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// AD5680(uint8_t spiData, uint8_t spiClock, uint8_t slaveSelect);
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// };
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class AD5681R : public AD568X
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{
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public:
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AD5681R(uint8_t slaveSelect);
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AD5681R(uint8_t spiData, uint8_t spiClock, uint8_t slaveSelect);
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// SHORT WRITE ?
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};
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class AD5682R : public AD568X
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{
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public:
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AD5682R(uint8_t slaveSelect);
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AD5682R(uint8_t spiData, uint8_t spiClock, uint8_t slaveSelect);
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};
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class AD5683R : public AD568X
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{
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public:
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AD5683R(uint8_t slaveSelect);
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AD5683R(uint8_t spiData, uint8_t spiClock, uint8_t slaveSelect);
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};
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class AD5683 : public AD568X
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{
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public:
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AD5683(uint8_t slaveSelect);
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AD5683(uint8_t spiData, uint8_t spiClock, uint8_t slaveSelect);
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};
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// -- END OF FILE --
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