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41 lines
1.5 KiB
C
Executable File
41 lines
1.5 KiB
C
Executable File
/*
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Copyright (C) 2020-2021 Vincent Buso <vincent.buso@funkey-project.com>
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Copyright (C) 2021 Michel Stempin <michel.stempin@funkey-project.com>
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This file is part of the FunKey S GPIO keyboard daemon.
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This is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The software is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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*/
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/**
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* @file gpio_utils.h
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* This file contains the GPIO utility functions
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*/
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#ifndef _GPIO_UTILS_H_
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#define _GPIO_UTILS_H_
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int gpio_export(unsigned int gpio);
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int gpio_unexport(unsigned int gpio);
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int gpio_set_dir(unsigned int gpio, const char *dir);
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int gpio_set_value(unsigned int gpio, unsigned int value);
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int gpio_get_value(unsigned int gpio, unsigned int *value);
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int gpio_set_edge(unsigned int gpio, const char *edge);
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int gpio_fd_open(unsigned int gpio, unsigned int dir);
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int gpio_fd_close(int fd);
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#endif // _GPIO_UTILS_H_
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