mirror of
https://github.com/betaflight/betaflight.git
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48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/*
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* This file is part of Cleanflight and Betaflight.
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*
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* Cleanflight and Betaflight are free software: you can redistribute
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* this software and/or modify this software under the terms of the
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* GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option)
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* any later version.
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*
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* Cleanflight and Betaflight are distributed in the hope that they
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the 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 software.
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*
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <stdbool.h>
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#include <string.h>
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#include "bitarray.h"
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#define BITARRAY_BIT_OP(array, bit, op) ((array)[(bit) / (sizeof((array)[0]) * 8)] op (1 << ((bit) % (sizeof((array)[0]) * 8))))
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bool bitArrayGet(const void *array, unsigned bit)
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{
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return BITARRAY_BIT_OP((uint32_t*)array, bit, &);
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}
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void bitArraySet(void *array, unsigned bit)
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{
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BITARRAY_BIT_OP((uint32_t*)array, bit, |=);
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}
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void bitArrayClr(void *array, unsigned bit)
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{
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BITARRAY_BIT_OP((uint32_t*)array, bit, &=~);
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}
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void bitArrayXor(void *dest, size_t size, void *op1, void *op2)
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{
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for (size_t i = 0; i < size; i++) {
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((uint8_t*)dest)[i] = ((uint8_t*)op1)[i] ^ ((uint8_t*)op2)[i];
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}
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}
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