1 /* This function wraps around the fixed 8-bit decoder, performing the 2 * basis transformations necessary to meet the CCSDS standard 3 * 4 * Copyright 2002, Phil Karn, KA9Q 5 * May be used under the terms of the GNU Lesser General Public License (LGPL) 6 */ 7 #include "ccsds.h" 8 #include "fec.h" 9 10 int decode_rs_ccsds(data_t *data,int *eras_pos,int no_eras,int pad){ 11 int i,r; 12 data_t cdata[NN]; 13 14 /* Convert data from dual basis to conventional */ 15 for(i=0;i<NN-pad;i++) 16 cdata[i] = Tal1tab[data[i]]; 17 18 r = decode_rs_8(cdata,eras_pos,no_eras,pad); 19 20 if(r > 0){ 21 /* Convert from conventional to dual basis */ 22 for(i=0;i<NN-pad;i++) 23 data[i] = Taltab[cdata[i]]; 24 } 25 return r; 26 } 27
