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MarlinFirmware/Marlin/bitmap_flags.h

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/**
* Marlin 3D Printer Firmware
* Copyright (C) 2016, 2017 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
*
* 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/>.
*
*/
#ifndef _BITMAP_FLAGS_H_
#define _BITMAP_FLAGS_H_
#include "macros.h"
/**
* These support functions allow the use of large bit arrays of flags that take very
* little RAM. Currently they are limited to being 16x16 in size. Changing the declaration
* to unsigned long will allow us to go to 32x32 if higher resolution meshes are needed
* in the future.
*/
FORCE_INLINE void bitmap_clear(uint16_t bits[16], const uint8_t x, const uint8_t y) { CBI(bits[y], x); }
FORCE_INLINE void bitmap_set(uint16_t bits[16], const uint8_t x, const uint8_t y) { SBI(bits[y], x); }
FORCE_INLINE bool is_bitmap_set(uint16_t bits[16], const uint8_t x, const uint8_t y) { return TEST(bits[y], x); }
#endif // _BITMAP_FLAGS_H_