2007-01-11 21:25:52 +00:00
|
|
|
/* User include file for the Reed-Solomon codec
|
|
|
|
|
* Copyright 2002, Phil Karn KA9Q
|
|
|
|
|
* May be used under the terms of the GNU General Public License (GPL)
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/* General purpose RS codec, 8-bit symbols */
|
|
|
|
|
void encode_rs_char(void *rs,unsigned char *data,unsigned char *parity);
|
|
|
|
|
int decode_rs_char(void *rs,unsigned char *data,int *eras_pos,
|
|
|
|
|
int no_eras);
|
|
|
|
|
void *init_rs_char(int symsize,int gfpoly,
|
|
|
|
|
int fcr,int prim,int nroots,
|
|
|
|
|
int pad);
|
|
|
|
|
void free_rs_char(void *rs);
|
|
|
|
|
|
|
|
|
|
/* General purpose RS codec, integer symbols */
|
|
|
|
|
void encode_rs_int(void *rs,int *data,int *parity);
|
|
|
|
|
int decode_rs_int(void *rs,int *data,int *eras_pos,int no_eras);
|
|
|
|
|
void *init_rs_int(int symsize,int gfpoly,int fcr,
|
|
|
|
|
int prim,int nroots,int pad);
|
|
|
|
|
void free_rs_int(void *rs);
|
|
|
|
|
|
|
|
|
|
/* CCSDS standard (255,223) RS codec with conventional (*not* dual-basis)
|
|
|
|
|
* symbol representation
|
|
|
|
|
*/
|
|
|
|
|
void encode_rs_8(unsigned char *data,unsigned char *parity,int pad);
|
|
|
|
|
int decode_rs_8(unsigned char *data,int *eras_pos,int no_eras,int pad);
|
|
|
|
|
|
|
|
|
|
/* CCSDS standard (255,223) RS codec with dual-basis symbol representation */
|
|
|
|
|
void encode_rs_ccsds(unsigned char *data,unsigned char *parity,int pad);
|
|
|
|
|
int decode_rs_ccsds(unsigned char *data,int *eras_pos,int no_eras,int pad);
|
|
|
|
|
|
|
|
|
|
/* Tables to map from conventional->dual (Taltab) and
|
|
|
|
|
* dual->conventional (Tal1tab) bases
|
|
|
|
|
*/
|
|
|
|
|
extern unsigned char Taltab[],Tal1tab[];
|
