recuperator fan control with esp32
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esp-recuperator/components/esp32-owb/include/owb_gpio.h

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/*
* MIT License
*
* Copyright (c) 2017 David Antliff
* Copyright (c) 2017 Chris Morgan <chmorgan@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/**
* @file
* @brief Interface definitions for the ESP32 GPIO driver used to communicate with devices
* on the One Wire Bus.
*
* @deprecated
* This driver is deprecated and may be removed at some stage. It is not recommended for use
* due to issues with imprecise timing.
*/
#pragma once
#ifndef OWB_GPIO_H
#define OWB_GPIO_H
#include "owb.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief GPIO driver information
*/
typedef struct
{
int gpio; ///< Value of the GPIO connected to the 1-Wire bus
OneWireBus bus; ///< OneWireBus instance
} owb_gpio_driver_info;
/**
* @brief Initialise the GPIO driver.
* @return OneWireBus*, pass this into the other OneWireBus public API functions
*/
OneWireBus * owb_gpio_initialize(owb_gpio_driver_info *driver_info, int gpio);
/**
* @brief Clean up after a call to owb_gpio_initialize()
*/
void owb_gpio_uninitialize(owb_gpio_driver_info *driver_info);
#ifdef __cplusplus
}
#endif
#endif // OWB_GPIO_H