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circuits_gpio

2.0.0-pre.2
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Use GPIOs in Elixir

Retired package: Release invalid - Use v2.0.0 or later
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circuits_gpio c_src hal_cdev_gpio.h
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c_src/hal_cdev_gpio.h 

// SPDX-FileCopyrightText: 2018 Frank Hunleth, Mark Sebald, Matt Ludwigs, Connor Rigby

//

// SPDX-License-Identifier: Apache-2.0



#ifndef HAL_CDEV_GPIO_H

#define HAL_CDEV_GPIO_H



#include <stdint.h>

#include "erl_nif.h"



struct hal_cdev_gpio_priv {

    ErlNifTid poller_tid;

    int pipe_fds[2];

};



struct gpio_pin;



void *gpio_poller_thread(void *arg);

int update_polling_thread(struct gpio_pin *pin);

int get_value_v2(int fd);



#endif // HAL_CDEV_GPIO_H