#include "i2c.h"
#include "i2c-dev.h"
#include <unistd.h>
#include <driver/i2c.h>
#include <hal/gpio_types.h>
#include <utils/Atomic.hxx>
#include <vector>

Classes
class	openmrn_arduino::Esp32HardwareI2C
	The ESP32 has one or two built-in I2C controller interfaces, this code provides a VFS interface that can be used by various I2C drivers to access the underlying I2C bus. More...

struct	openmrn_arduino::Esp32HardwareI2C::i2c_device_t
	Tracking structure used to map file handles to an I2C controller and address. More...

Detailed Description

Copyright: Copyright (c) 2023, Mike Dunston All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

I2C driver implementation for OpenMRN. This leverages the ESP-IDF I2C driver implementation and provides a VFS interface.

Author: Mike Dunston

Date: 8 Feb 2023

Definition in file Esp32HardwareI2C.hxx.

Classes

Detailed Description