diff options
Diffstat (limited to 'platforms/atomic_util.h')
| -rw-r--r-- | platforms/atomic_util.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/platforms/atomic_util.h b/platforms/atomic_util.h new file mode 100644 index 0000000000..2c95302a13 --- /dev/null +++ b/platforms/atomic_util.h @@ -0,0 +1,32 @@ +/* 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 |