rt-thread-official/bsp/rx/RPDL/r_pdl_crc.h

58 lines
1.2 KiB
C

/*""FILE COMMENT""*******************************************************
* System Name : CRC calculator API for RX62Nxx
* File Name : r_pdl_crc.h
* Version : 1.02
* Contents : CRC function prototypes
* Customer :
* Model :
* Order :
* CPU : RX
* Compiler : RXC
* OS :
* Programmer :
* Note :
************************************************************************
* Copyright, 2011. Renesas Electronics Corporation
* and Renesas Solutions Corporation
************************************************************************
* History : 2011.04.08
* : Ver 1.02
* : CS-5 release.
*""FILE COMMENT END""**************************************************/
#ifndef R_PDL_CRC_H
#define R_PDL_CRC_H
#include "r_pdl_common_defs_RX62Nxx.h"
/* Function prototypes */
bool R_CRC_Create(
uint8_t
);
bool R_CRC_Destroy(
void
);
bool R_CRC_Write(
uint8_t
);
bool R_CRC_Read(
uint8_t,
uint16_t *
);
/* Polynomial selection */
#define PDL_CRC_POLY_CRC_8 0x01u
#define PDL_CRC_POLY_CRC_16 0x02u
#define PDL_CRC_POLY_CRC_CCITT 0x04u
/* Bit order */
#define PDL_CRC_LSB_FIRST 0x08u
#define PDL_CRC_MSB_FIRST 0x10u
/* Result register clearing */
#define PDL_CRC_CLEAR_RESULT 0x01u
#define PDL_CRC_RETAIN_RESULT 0x02u
#endif
/* End of file */