38 lines
1.5 KiB
C
38 lines
1.5 KiB
C
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016, 2017 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef _BITMAP_FLAGS_H_
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#define _BITMAP_FLAGS_H_
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#include "macros.h"
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/**
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* These support functions allow the use of large bit arrays of flags that take very
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* little RAM. Currently they are limited to being 16x16 in size. Changing the declaration
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* to unsigned long will allow us to go to 32x32 if higher resolution meshes are needed
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* in the future.
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*/
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FORCE_INLINE void bitmap_clear(uint16_t bits[16], const uint8_t x, const uint8_t y) { CBI(bits[y], x); }
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FORCE_INLINE void bitmap_set(uint16_t bits[16], const uint8_t x, const uint8_t y) { SBI(bits[y], x); }
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FORCE_INLINE bool is_bitmap_set(uint16_t bits[16], const uint8_t x, const uint8_t y) { return TEST(bits[y], x); }
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#endif // _BITMAP_FLAGS_H_
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