48 lines
2.2 KiB
C
48 lines
2.2 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2016-2022 Bouffalolab.
|
||
|
|
*
|
||
|
|
* This file is part of
|
||
|
|
* *** Bouffalolab Software Dev Kit ***
|
||
|
|
* (see www.bouffalolab.com).
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
||
|
|
* are permitted provided that the following conditions are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
||
|
|
* this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||
|
|
* this list of conditions and the following disclaimer in the documentation
|
||
|
|
* and/or other materials provided with the distribution.
|
||
|
|
* 3. Neither the name of Bouffalo Lab nor the names of its contributors
|
||
|
|
* may be used to endorse or promote products derived from this software
|
||
|
|
* without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
#ifndef __UTILS_CRC_H__
|
||
|
|
#define __UTILS_CRC_H__
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
uint16_t utils_crc16(void *dataIn, uint32_t len);
|
||
|
|
uint32_t utils_crc32(void *dataIn, uint32_t len);
|
||
|
|
uint16_t utils_crc16_ccitt(void *dataIn, uint32_t len);
|
||
|
|
|
||
|
|
struct crc32_stream_ctx {
|
||
|
|
uint32_t crc;
|
||
|
|
};
|
||
|
|
|
||
|
|
void utils_crc32_stream_init(struct crc32_stream_ctx *ctx);
|
||
|
|
void utils_crc32_stream_feed(struct crc32_stream_ctx *ctx, uint8_t data);
|
||
|
|
void utils_crc32_stream_feed_block(struct crc32_stream_ctx *ctx, uint8_t *data, uint32_t len);
|
||
|
|
uint32_t utils_crc32_stream_results(struct crc32_stream_ctx *ctx);
|
||
|
|
|
||
|
|
#endif
|