78 lines
2.8 KiB
C
78 lines
2.8 KiB
C
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/*
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ChibiOS/HAL - Copyright (C) 2015 Uladzimir Pylinsky aka barthess
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/**
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* @file bitmap.h
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* @brief Bit map structures and macros.
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*
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* @addtogroup bitmap
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* @{
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*/
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#ifndef BITMAP_H_
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#define BITMAP_H_
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/*===========================================================================*/
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/* Module constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module pre-compile time settings. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module data structures and types. */
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/*===========================================================================*/
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typedef unsigned int bitmap_word_t;
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/**
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* @brief Type of a event timer structure.
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*/
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typedef struct {
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bitmap_word_t *array;
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size_t len; /* Array length in _words_ NOT bytes */
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} bitmap_t;
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/*===========================================================================*/
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/* Module macros. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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void bitmapObjectInit(bitmap_t *map, bitmap_word_t val);
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void bitmapSet(bitmap_t *map, size_t bit);
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void bitmapClear(bitmap_t *map, size_t bit);
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void bitmapInvert(bitmap_t *map, size_t bit);
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bitmap_word_t bitmapGet(const bitmap_t *map, size_t bit);
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size_t bitmapGetBitsCount(const bitmap_t *map);
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#ifdef __cplusplus
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}
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#endif
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#endif /* BITMAP_H_ */
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/** @} */
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