mirror of
https://github.com/davidgiven/fluxengine.git
synced 2025-10-31 11:17:01 -07:00
Refactor core libraries into their own library.
This commit is contained in:
37
lib/core/crc.h
Normal file
37
lib/core/crc.h
Normal file
@@ -0,0 +1,37 @@
|
||||
#ifndef CRC_H
|
||||
#define CRC_H
|
||||
|
||||
#define CCITT_POLY 0x1021
|
||||
#define MODBUS_POLY 0x8005
|
||||
#define MODBUS_POLY_REF 0xa001
|
||||
#define BROTHER_POLY 0x000201
|
||||
|
||||
struct crcspec
|
||||
{
|
||||
unsigned width;
|
||||
uint64_t poly;
|
||||
uint64_t init;
|
||||
uint64_t xorout;
|
||||
bool refin;
|
||||
bool refout;
|
||||
};
|
||||
|
||||
extern uint64_t generic_crc(const struct crcspec& spec, const Bytes& bytes);
|
||||
|
||||
extern uint16_t sumBytes(const Bytes& bytes);
|
||||
extern uint8_t xorBytes(const Bytes& bytes);
|
||||
extern uint16_t crc16(uint16_t poly, uint16_t init, const Bytes& bytes);
|
||||
extern uint16_t crc16ref(uint16_t poly, uint16_t init, const Bytes& bytes);
|
||||
extern uint32_t crcbrother(const Bytes& bytes);
|
||||
|
||||
static inline uint16_t crc16(uint16_t poly, const Bytes& bytes)
|
||||
{
|
||||
return crc16(poly, 0xffff, bytes);
|
||||
}
|
||||
|
||||
static inline uint16_t crc16ref(uint16_t poly, const Bytes& bytes)
|
||||
{
|
||||
return crc16ref(poly, 0xffff, bytes);
|
||||
}
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user