WSJT-X/libm65/rs.h
Joe Taylor 9e73f87218 Major changes to the MAP65 branch. This branch is now a copy of
MAP65 v2.3.0, r631, as checked out from the SVN repository on
pulsar.princeton.edu.  If all goes well with this commit, subsequent
MAP65 development will use the Berlios repository.


git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@2461 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2012-05-22 14:28:39 +00:00

36 lines
1.4 KiB
C

/* 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[];