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