XPoint/WireI2C_8h_source.html

// SPDX-License-Identifier: AGPL-3.0-only

// Copyright (c) 2026 Douglas Quigg (dstroy0) <dquigg123@gmail.com>

// https://github.com/dstroy0/XPoint


#ifndef WIRE_I2C_H

#define WIRE_I2C_H


#include "I2CInterface.h"


#if defined(ARDUINO)

#include <Wire.h>

#endif


class WireI2C : public I2CInterface

{

  public:


    WireI2C()

    {

    }


    void begin() override;


    void writeRegister(uint8_t addr, uint8_t reg, uint8_t val) override;


    void writeByte(uint8_t addr, uint8_t data) override;

};


#endif // WIRE_I2C_H

I2CInterface.h
Minimal abstract I2C interface consumed by MCP23017Driver.

I2CInterface
Abstract I2C bus interface.
Definition I2CInterface.h:28

WireI2C
I2CInterface implementation that delegates to the Arduino Wire library.
Definition WireI2C.h:37

WireI2C::writeByte
void writeByte(uint8_t addr, uint8_t data) override
Write a single data byte to a device (no register address byte).
Definition WireI2C.cpp:22

WireI2C::writeRegister
void writeRegister(uint8_t addr, uint8_t reg, uint8_t val) override
Write val to register reg on device at 7-bit address addr.
Definition WireI2C.cpp:14

WireI2C::WireI2C
WireI2C()
Definition WireI2C.h:39

WireI2C::begin
void begin() override
Initialize the I2C bus by calling Wire.begin().
Definition WireI2C.cpp:9