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encode_rs_ccsds.c

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+/* This function wraps around the fixed 8-bit encoder, performing the
+ * basis transformations necessary to meet the CCSDS standard
+ *
+ * Copyright 2002, Phil Karn, KA9Q
+ * May be used under the terms of the GNU Lesser General Public License (LGPL)
+ */
+#include "ccsds.h"
+#include "fec.h"
+
+void encode_rs_ccsds(data_t *data,data_t *parity,int pad){
+  int i;
+  data_t cdata[NN-NROOTS];
+
+  /* Convert data from dual basis to conventional */
+  for(i=0;i<NN-NROOTS-pad;i++)
+    cdata[i] = Tal1tab[data[i]];
+
+  encode_rs_8(cdata,parity,pad);
+
+  /* Convert parity from conventional to dual basis */
+  for(i=0;i<NN-NROOTS-pad;i++)
+    parity[i] = Taltab[parity[i]];
+}