/* 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[];