mirror of
https://github.com/RobTillaart/Arduino.git
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160 lines
3.5 KiB
C++
160 lines
3.5 KiB
C++
#pragma once
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//
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// FILE: AD56X8.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.4
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// DATE: 2022-07-28
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// PURPOSE: Arduino library for AD56X8, SPI 8 channel Digital Analog Convertor.
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#include "Arduino.h"
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#include "SPI.h"
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#define AD56X8_LIB_VERSION (F("0.1.4"))
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#define AD56X8_PWR_NORMAL 0x00
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#define AD56X8_PWR_1K 0x01
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#define AD56X8_PWR_100K 0x02
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#define AD56X8_PWR_TRI_STATE 0x03
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// ZERO, HALF, FULL ?
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#define AD56X8_CC_0000 0x00
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#define AD56X8_CC_8000 0x01
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#define AD56X8_CC_FFFF 0x02
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#define AD56X8_CC_NOP 0x03 // do not use (read datasheet)
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class AD56X8
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{
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public:
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AD56X8(uint8_t slaveSelect);
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AD56X8(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 hardware 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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// returns false if channel out of range
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// sets output immediately = prepare + update.
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bool setValue(uint8_t channel, uint16_t value);
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uint16_t getValue(uint8_t channel);
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bool setPercentage(uint8_t channel, float percentage);
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float getPercentage(uint8_t channel);
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// prep & update separately
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bool prepareChannel(uint8_t channel, uint16_t value);
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bool updateChannel(uint8_t channel);
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void updateAllChannels();
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// LDAC
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void setLDACmask(uint8_t mask = 0x00);
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uint8_t getLDACmask();
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bool inLDACmask(uint8_t channel);
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// POWER
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// mode = 0..3
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// returns false if mode out of range
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bool setPowerMode(uint8_t powerDownMode, uint8_t mask = 0x00);
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// MISC
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// software reset
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void reset();
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// returns false if mode out of range
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// CCmode = 0..2
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bool setClearCode(uint8_t CCmode); // check datasheet.
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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[8];
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uint8_t _ldacMask = 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, uint8_t channel, uint16_t value);
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void updateDevice(uint8_t a, uint8_t b, uint8_t c, uint8_t d);
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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 AD5668_3 : public AD56X8
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{
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public:
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AD5668_3(uint8_t slaveSelect);
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AD5668_3(uint8_t spiData, uint8_t spiClock, uint8_t slaveSelect);
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void reset();
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};
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class AD5668 : public AD56X8
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{
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public:
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AD5668(uint8_t slaveSelect);
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AD5668(uint8_t spiData, uint8_t spiClock, uint8_t slaveSelect);
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};
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class AD5648 : public AD56X8
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{
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public:
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AD5648(uint8_t slaveSelect);
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AD5648(uint8_t spiData, uint8_t spiClock, uint8_t slaveSelect);
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};
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class AD5628 : public AD56X8
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{
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public:
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AD5628(uint8_t slaveSelect);
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AD5628(uint8_t spiData, uint8_t spiClock, uint8_t slaveSelect);
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};
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// -- END OF FILE --
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