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https://github.com/RobTillaart/Arduino.git
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68 lines
1.2 KiB
C++
68 lines
1.2 KiB
C++
#pragma once
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//
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// FILE: MAX520.h
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// AUTHOR: Rob Tillaart
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// DATE: 2024-03-06
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// VERSION: 0.1.1
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// PURPOSE: Arduino library for MAX520 and MAX521 4/8 channel 8 bit DAC.
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// URL: https://github.com/RobTillaart/MAX520
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#include "Arduino.h"
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#include "Wire.h"
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#define MAX520_LIB_VERSION (F("0.1.1"))
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#define MAX520_OK 0x00
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#define MAX520_CHANNEL_ERROR 0x81
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#define MAX520_I2C_ERROR 0x82
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class MAX520
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{
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public:
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explicit MAX520(uint8_t deviceAddress = 0x20, TwoWire *wire = &Wire);
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bool begin();
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bool isConnected();
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// note: setting the address corrupt internal buffer values
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// a read8() / write8() call updates them.
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bool setAddress(uint8_t deviceAddress);
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uint8_t getAddress();
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uint8_t getChannels();
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int write(uint8_t channel, uint8_t value);
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int write(uint8_t * values); // write 4/8 values at once.
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int read(uint8_t channel);
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int reset();
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int powerDown();
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int wakeUp();
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int lastError();
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protected:
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uint8_t _address;
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uint8_t _channels;
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uint8_t _values[8];
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int _error;
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TwoWire* _wire;
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};
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class MAX521 : public MAX520
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{
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public:
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MAX521(uint8_t deviceAddress = 0x20, TwoWire *wire = &Wire);
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};
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// -- END OF FILE --
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