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