atomic_util.h (1702B)
1 /* Copyright 2021 QMK 2 * 3 * This program is free software: you can redistribute it and/or modify 4 * it under the terms of the GNU General Public License as published by 5 * the Free Software Foundation, either version 3 of the License, or 6 * (at your option) any later version. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16 #pragma once 17 18 #include "compiler_support.h" 19 20 // Macro to help make GPIO and other controls atomic. 21 22 #ifndef IGNORE_ATOMIC_BLOCK 23 # if __has_include_next("atomic_util.h") 24 # include_next "atomic_util.h" /* Include the platforms atomic.h */ 25 # else 26 # define ATOMIC_BLOCK STATIC_ASSERT(0, "ATOMIC_BLOCK not implemented") 27 # define ATOMIC_BLOCK_RESTORESTATE STATIC_ASSERT(0, "ATOMIC_BLOCK_RESTORESTATE not implemented") 28 # define ATOMIC_BLOCK_FORCEON STATIC_ASSERT(0, "ATOMIC_BLOCK_FORCEON not implemented") 29 # define ATOMIC_FORCEON STATIC_ASSERT(0, "ATOMIC_FORCEON not implemented") 30 # define ATOMIC_RESTORESTATE STATIC_ASSERT(0, "ATOMIC_RESTORESTATE not implemented") 31 # endif 32 #else /* do nothing atomic macro */ 33 # define ATOMIC_BLOCK(t) for (uint8_t __ToDo = 1; __ToDo; __ToDo = 0) 34 # define ATOMIC_FORCEON 35 # define ATOMIC_RESTORESTATE 36 # define ATOMIC_BLOCK_RESTORESTATE ATOMIC_BLOCK(ATOMIC_RESTORESTATE) 37 # define ATOMIC_BLOCK_FORCEON ATOMIC_BLOCK(ATOMIC_FORCEON) 38 #endif