27 lines
691 B
C
27 lines
691 B
C
/* This function wraps around the fixed 8-bit decoder, performing the
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* basis transformations necessary to meet the CCSDS standard
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*
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* Copyright 2002, Phil Karn, KA9Q
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* May be used under the terms of the GNU Lesser General Public License (LGPL)
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*/
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#include "ccsds.h"
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#include "fec.h"
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int decode_rs_ccsds(data_t *data,int *eras_pos,int no_eras,int pad){
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int i,r;
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data_t cdata[NN];
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/* Convert data from dual basis to conventional */
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for(i=0;i<NN-pad;i++)
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cdata[i] = Tal1tab[data[i]];
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r = decode_rs_8(cdata,eras_pos,no_eras,pad);
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if(r > 0){
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/* Convert from conventional to dual basis */
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for(i=0;i<NN-pad;i++)
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data[i] = Taltab[cdata[i]];
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}
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return r;
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}
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