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81 lines
2.0 KiB
C
81 lines
2.0 KiB
C
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#pragma once
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//
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// FILE: ADG729.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.0
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// DATE: 2024-07-03
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// PURPOSE: Arduino Library for I2C ADG729 matrix switch. 2x4 Multiplexer.
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// URL: https://github.com/RobTillaart/ADG729
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// https://www.adafruit.com/product/5932
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#include "Arduino.h"
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#include "Wire.h"
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#define ADG729_LIB_VERSION (F("0.1.0"))
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// ERROR CODES (to be elaborated)
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#define ADG729_OK 0
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#define ADG729_ERROR_I2C -10 // not used yet
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#define ADG729_ERROR_CHANNEL -20 // not used yet
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class ADG729
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{
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public:
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// deviceAddress = 0x4C .. 0x4F
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ADG729(uint8_t deviceAddress, TwoWire *wire = &Wire);
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bool begin(uint8_t mask = 0x00); // default no channels enabled
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bool isConnected(); // find address on I2C bus
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// channel = 0..7
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uint8_t channelCount();
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bool enableChannel(uint8_t channel); // enable channel NON exclusive
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bool disableChannel(uint8_t channel);
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bool selectChannel(uint8_t channel); // enable channel exclusive
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bool isEnabled(uint8_t channel);
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bool disableAllChannels();
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// channel = 0..3
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// sets both A and B with the same value.
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bool enableAB(uint8_t channel);
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bool disableAB(uint8_t channel);
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bool selectAB(uint8_t channel);
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bool isEnabledAB(uint8_t channel);
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// A, B = 0..3
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// sets A and B separately and uniquely.
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bool select(uint8_t A, uint8_t B);
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// mask = 0x00 .. 0xFF - every bit is a channel.
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// although not for derived types.
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// note 1: these are set simultaneously.
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// note 2: these may include interrupt bits (in derived classes)
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bool setChannelMask(uint8_t mask);
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uint8_t getChannelMask();
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// set forced IO (default false)
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void setForced(bool forced = false);
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bool getForced();
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int getError();
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protected:
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uint8_t _address;
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TwoWire* _wire;
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uint8_t _mask; // caching mask = status of channels
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bool _forced;
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int _error;
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uint8_t _channels;
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};
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// -- END OF FILE --
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