#include <hal/gpio_types.h>
#include <soc/soc.h>
#include <soc/soc_caps.h>
#include <stdint.h>
#include <stdio.h>
#include <unistd.h>
#include "nmranet_config.h"
#include "utils/Singleton.hxx"

Classes
struct	openmrn_arduino::esp32_twai_stats_t
	TWAI Driver statistics. More...

class	openmrn_arduino::Esp32HardwareTwai
	ESP32 Hardware TWAI (CAN) driver interface. More...

Detailed Description

Copyright: Copyright (c) 2021, 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.

TWAI driver implementation for OpenMRN. This leverages the ESP-IDF TWAI HAL API rather than the TWAI driver to allow for a more integrated solution than the TWAI driver which requires polling for RX. This implementation supports both select and the non-blocking ioctl/::fnctl approach.

Author: Mike Dunston

Date: 1 May 2021

Definition in file Esp32HardwareTwai.hxx.

Classes

Detailed Description