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This commit is contained in:
Philippe Teuwen 2019-04-06 01:00:54 +02:00
commit 26eb54b965
19 changed files with 160 additions and 160 deletions
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26
common/crc.h
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@ -30,25 +30,25 @@ typedef struct crc {
* refin is the setting for reversing (bitwise) the bytes during crc
* refot is the setting for reversing (bitwise) the crc byte before returning it.
*/
extern void crc_init_ref(crc_t *crc, int order, uint32_t polynom, uint32_t initial_value, uint32_t final_xor, bool refin, bool refout);
void crc_init_ref(crc_t *crc, int order, uint32_t polynom, uint32_t initial_value, uint32_t final_xor, bool refin, bool refout);
/* Initialize a crc structure. order is the order of the polynom, e.g. 32 for a CRC-32
* polynom is the CRC polynom. initial_value is the initial value of a clean state.
* final_xor is XORed onto the state before returning it from crc_result(). */
extern void crc_init(crc_t *crc, int order, uint32_t polynom, uint32_t initial_value, uint32_t final_xor);
void crc_init(crc_t *crc, int order, uint32_t polynom, uint32_t initial_value, uint32_t final_xor);
/* Update the crc state. data is the data of length data_width bits (only the
* data_width lower-most bits are used).
*/
extern void crc_update(crc_t *crc, uint32_t data, int data_width);
extern void crc_update2(crc_t *crc, uint32_t data, int data_width);
void crc_update(crc_t *crc, uint32_t data, int data_width);
void crc_update2(crc_t *crc, uint32_t data, int data_width);
/* Clean the crc state, e.g. reset it to initial_value */
extern void crc_clear(crc_t *crc);
void crc_clear(crc_t *crc);
/* Get the result of the crc calculation */
extern uint32_t crc_finish(crc_t *crc);
uint32_t crc_finish(crc_t *crc);
// Calculate CRC-8/Maxim checksum
uint32_t CRC8Maxim(uint8_t *buff, size_t size);
@ -65,13 +65,13 @@ uint32_t CRC8Legic(uint8_t *buff, size_t size);
/* Static initialization of a crc structure */
#define CRC_INITIALIZER(_order, _polynom, _initial_value, _final_xor) { \
.state = ((_initial_value) & ((1L<<(_order))-1)), \
.order = (_order), \
.polynom = (_polynom), \
.initial_value = (_initial_value), \
.final_xor = (_final_xor), \
.mask = ((1L<<(_order))-1) \
.refin = false, \
.refout = false \
.order = (_order), \
.polynom = (_polynom), \
.initial_value = (_initial_value), \
.final_xor = (_final_xor), \
.mask = ((1L<<(_order))-1) \
.refin = false, \
.refout = false \
}
#endif /* __CRC_H */