blob: 69c2f078856a3780c68132fcd285f4be1d6b62cc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
|
#ifndef ARDOP_CRC_H
#define ARDOP_CRC_H
#include <stddef.h>
/** ARDOP host/TNC CRC-16 (poly 0x8810, init 0xFFFF) per ARDOPC reference. */
unsigned int ardop_crc16(const unsigned char *data, unsigned short length);
/** Non-zero when @p length includes trailing 2-byte CRC that validates. */
int ardop_crc16_valid(const unsigned char *data, unsigned short length);
/** Append CRC16 (MSB, LSB) after @p length bytes; returns new length. */
size_t ardop_crc16_append(unsigned char *data, size_t length, size_t cap);
#endif /* ARDOP_CRC_H */
|
