README change

1 files changed, 31 insertions, 0 deletions

diff --git a/gnuradio-core/src/lib/reed-solomon/rs.h b/gnuradio-core/src/lib/reed-solomon/rs.h
new file mode 100644
index 000000000..97e78769e
--- /dev/null
+++ b/gnuradio-core/src/lib/reed-solomon/rs.h
@@ -0,0 +1,31 @@
+#include <gr_core_api.h>
+/* 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 */
+GR_CORE_API void encode_rs_char(void *rs,unsigned char *data,unsigned char *parity);
+GR_CORE_API int decode_rs_char(void *rs,unsigned char *data,int *eras_pos,
+		   int no_eras);
+GR_CORE_API void *init_rs_char(unsigned int symsize,unsigned int gfpoly,
+		   unsigned int fcr,unsigned int prim,unsigned int nroots);
+GR_CORE_API void free_rs_char(void *rs);
+
+/* General purpose RS codec, integer symbols */
+GR_CORE_API void encode_rs_int(void *rs,int *data,int *parity);
+GR_CORE_API int decode_rs_int(void *rs,int *data,int *eras_pos,int no_eras);
+GR_CORE_API void *init_rs_int(unsigned int symsize,unsigned int gfpoly,unsigned int fcr,
+		  unsigned int prim,unsigned int nroots);
+GR_CORE_API void free_rs_int(void *rs);
+
+/* CCSDS standard (255,223) RS codec with conventional (*not* dual-basis)
+ * symbol representation
+ */
+GR_CORE_API void encode_rs_8(unsigned char *data,unsigned char *parity);
+GR_CORE_API int decode_rs_8(unsigned char *data,int *eras_pos,int no_eras);
+
+/* Tables to map from conventional->dual (Taltab) and
+ * dual->conventional (Tal1tab) bases
+ */
+extern unsigned char Taltab[],Tal1tab[];