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qmk_firmware/platforms/atomic_util.h
2021-11-19 10:41:02 -08:00

33 lines
1.4 KiB
C

/* Copyright 2021 QMK
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
// Macro to help make GPIO and other controls atomic.
#ifndef IGNORE_ATOMIC_BLOCK
# if __has_include_next("atomic_util.h")
# include_next "atomic_util.h" /* Include the platforms atomic.h */
# else
# define ATOMIC_BLOCK _Static_assert(0, "ATOMIC_BLOCK not implemented")
# define ATOMIC_BLOCK_RESTORESTATE _Static_assert(0, "ATOMIC_BLOCK_RESTORESTATE not implemented")
# define ATOMIC_BLOCK_FORCEON _Static_assert(0, "ATOMIC_BLOCK_FORCEON not implemented")
# endif
#else /* do nothing atomic macro */
# define ATOMIC_BLOCK for (uint8_t __ToDo = 1; __ToDo; __ToDo = 0)
# define ATOMIC_BLOCK_RESTORESTATE ATOMIC_BLOCK
# define ATOMIC_BLOCK_FORCEON ATOMIC_BLOCK
#endif