repetition.h
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1 /*
2  * Copyright (c) 2007 - 2015 Joseph Gaeddert
3  * Copyright (c) 2018 HAW Hamburg
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a copy
6  * of this software and associated documentation files (the "Software"), to deal
7  * in the Software without restriction, including without limitation the rights
8  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9  * copies of the Software, and to permit persons to whom the Software is
10  * furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21  * THE SOFTWARE.
22  */
23 
24 #pragma once
25 
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40 
42 #ifndef ECC_REPETITION_COUNT
43 #define ECC_REPETITION_COUNT (3)
44 #endif
45 
47 #define DECODER_MAJORITY ((ECC_REPETITION_COUNT - 1) / 2)
48 
56 void repetition_encode(unsigned int _dec_msg_len,
57  unsigned char *_msg_dec,
58  unsigned char *_msg_enc);
59 
67 void repetition_decode(unsigned int _dec_msg_len,
68  unsigned char *_msg_enc,
69  unsigned char *_msg_dec);
70 
71 #ifdef __cplusplus
72 }
73 #endif
74 
void repetition_encode(unsigned int _dec_msg_len, unsigned char *_msg_dec, unsigned char *_msg_enc)
encode block of data with ECC_REPETITION_COUNT number of repetitions
void repetition_decode(unsigned int _dec_msg_len, unsigned char *_msg_enc, unsigned char *_msg_dec)
decode block of data with ECC_REPETITION_COUNT repetitions