You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
27 lines
691 B
27 lines
691 B
/* This function wraps around the fixed 8-bit decoder, 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"
|
|
|
|
int decode_rs_ccsds(data_t *data,int *eras_pos,int no_eras,int pad){
|
|
int i,r;
|
|
data_t cdata[NN];
|
|
|
|
/* Convert data from dual basis to conventional */
|
|
for(i=0;i<NN-pad;i++)
|
|
cdata[i] = Tal1tab[data[i]];
|
|
|
|
r = decode_rs_8(cdata,eras_pos,no_eras,pad);
|
|
|
|
if(r > 0){
|
|
/* Convert from conventional to dual basis */
|
|
for(i=0;i<NN-pad;i++)
|
|
data[i] = Taltab[cdata[i]];
|
|
}
|
|
return r;
|
|
}
|