URL https://opencores.org/ocsvn/reed_solomon_codec_generator/reed_solomon_codec_generator/trunk

Subversion Repositories reed_solomon_codec_generator

[/] [reed_solomon_codec_generator/] [trunk/] [source/] [RsDecodeEmulator.cpp] - Blame information for rev 3

Go to most recent revision | Details | Compare with Previous | View Log


//===================================================================
// Module Name : RsDecodeEmulator
// File Name   : RsDecodeEmulator.cpp
// Function    : RS Decoder Top emulator
// 
// Revision History:
// Date          By           Version    Change Description
//===================================================================
// 2009/02/03  Gael Sapience     1.0       Original
//
//===================================================================
// (C) COPYRIGHT 2009 SYSTEM LSI CO., Ltd.
//
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
 
//FILE  *OutFileEmulator;
 
 
void RsDecodeSyndromeEmulator(int*, int, int, int, int, int*, int*, int*);
void RsDecodeErasureEmulator(int, int, int*, int, int, int, int, int*, int*, int*);
void RsDecodePolymulEmulator(int*, int, int, int, int, int*, int*);
void RsDecodeEuclideEmulator(int*, int*,int*,int, int, int, int, int, int*);
void RsDecodeShiftOmegaEmulator(int* , int* , int*, int , int , int);
void RsDecodeDegreeEmulator(int*, int*, int, int, int);
void RsDecodeChienEmulator(int*, int*, int, int, int, int, int* , int*, int*, int*, int*, int* );
 
 
void RsDecodeEmulator(int *ErrorNum, int *ErasureNum, int *RTLfailFlag, int *RTLDataOut, int DataSize, int TotalSize, int PrimPoly, int bitSymbol, int *MrefTab, int *PrefTab, int *coeffTab, int *DataInTab, int *ErasureInTab) {
 
//   OutFileEmulator = fopen("RsEmulatorTAMPON.v","w");
//   OutFileEmulator = fopen("RsEmulatorTAMPON.txt","at+");
 
   //---------------------------------------------------------------
   // syndrome Length calculation
   //---------------------------------------------------------------
   int syndromeLength;
 
   syndromeLength = TotalSize - DataSize;
 
//   fprintf(OutFileEmulator, "POINt 1\n");
 
   //---------------------------------------------------------------
   // C++ variables
   //---------------------------------------------------------------
   int ii,jj,kk, aa,zz;
   int tempNum;
   int tempix;
   int tempix1;
   int tempix2;
   int failErasure;
   int numErasure;
   int failFlag;
   int numErasureWidth;
   int numErasureAdjusted;
 
   int *powerTab;
   int *OmegaRegTab;
   int *LambdaRegTab;
   int *numShiftedReg;
   int *OmegaShiftedTab;
   int *DegreeLambda;
   int *DegreeOmega;
   int *numError;
   int *errorOutTab;
   int *DataInBin;
   int *errorOutBin;
   int *dataOutBin;
   int *DataOutTab;
   int *regSyndrome;
   int *epsilonRegTab;
   int *sumRegTab;
   int *numErasureBinary;
 
   DataOutTab      = new int[TotalSize];
   dataOutBin      = new int[bitSymbol];
   errorOutBin     = new int[bitSymbol];
   DataInBin       = new int[bitSymbol];
   powerTab        = new int[bitSymbol];
   regSyndrome     = new int[syndromeLength*bitSymbol];
   epsilonRegTab   = new int[(syndromeLength+1)*bitSymbol];
   sumRegTab       = new int[syndromeLength*bitSymbol];
   OmegaRegTab     = new int[syndromeLength*bitSymbol];
   LambdaRegTab    = new int[syndromeLength*bitSymbol];
   numShiftedReg   = new int[bitSymbol];
   DegreeLambda    = new int[bitSymbol];
   DegreeOmega     = new int[bitSymbol];
   OmegaShiftedTab = new int[syndromeLength*bitSymbol];
   numError        = new int[bitSymbol];
   errorOutTab     = new int[TotalSize];
   numErasureBinary= new int[bitSymbol];
 
//   fprintf(OutFileEmulator, "POINt 2\n");
 
   //---------------------------------------------------------------
   //+ initialize powerTab
   //---------------------------------------------------------------
   powerTab[0] = 1;
   for (ii=1; ii<bitSymbol;ii++){
      powerTab[ii] = 2*powerTab[ii-1];
   }
 
 
 
  //---------------------------------------------------------------
  // RS decode syndrome calculator emulator
  //---------------------------------------------------------------
   RsDecodeSyndromeEmulator(regSyndrome, DataSize, TotalSize, PrimPoly, bitSymbol, MrefTab, PrefTab, DataInTab);
 
   for (aa=0; aa < syndromeLength; aa++) {
      tempNum = 0;
      for (zz=0; zz < bitSymbol; zz++) {
         tempNum = tempNum + regSyndrome[aa*bitSymbol+zz] * powerTab[zz];
      }
//      fprintf(OutFileEmulator, "regSyndrome [%d] = %d \n", aa, tempNum);
 
   }
 
//   fprintf(OutFileEmulator, "POINt 3\n");
 
  //---------------------------------------------------------------
  // RS decode erasure calculator emulator
  //---------------------------------------------------------------
  numErasure  = 0;
  failErasure = 0;
  RsDecodeErasureEmulator(failErasure, numErasure, epsilonRegTab, DataSize, TotalSize, PrimPoly, bitSymbol, MrefTab, PrefTab, ErasureInTab);
 
   for (aa=0; aa < (syndromeLength+1); aa++) {
      tempNum = 0;
      for (zz=0; zz < bitSymbol; zz++) {
         tempNum = tempNum + epsilonRegTab[aa*bitSymbol+zz] * powerTab[zz];
      }
//      fprintf(OutFileEmulator, "epsilonRegTab [%d] = %d \n", aa, tempNum);
   }
//   fprintf(OutFileEmulator, "POINt 4\n");
 
   //---------------------------------------------------------------
   //---------------------------------------------------------------
   //---------------------------------------------------------------
   //---------------------------------------------------------------
   //---------------------------------------------------------------
   //---------------------------------------------------------------
   //---------------------------------------------------------------
   //---------------------------------------------------------------
 
   //---------------------------------------------------------------
   // calculate numErasure
   //---------------------------------------------------------------
   numErasure = 0;
 
   for (aa=0; aa<TotalSize; aa++){
      if (ErasureInTab [aa] == 1) {
         numErasure = numErasure + 1;
      }
   }
 
 
   //---------------------------------------------------------------
   // convert numErasure (Decimal to binary)
   //---------------------------------------------------------------
   tempix = numErasure;
   for (zz =bitSymbol-1; zz>=0;zz--) {
      if (tempix >= powerTab[zz]) {
         tempix = tempix - powerTab[zz];
         numErasureBinary [zz] = 1;
      }else{
         numErasureBinary [zz] = 0;
      }
   }
 
 
   //---------------------------------------------------------------
   // numErasureWidth: allowed size for numErasure register
   //---------------------------------------------------------------
   if (syndromeLength > 2047) {
      numErasureWidth = 12;
   }else{
      if (syndromeLength > 1023) {
         numErasureWidth = 11;
      }else{
         if (syndromeLength > 511) {
            numErasureWidth = 10;
         }else{
            if (syndromeLength > 255) {
               numErasureWidth = 9;
            }else{
               if (syndromeLength > 127) {
                  numErasureWidth = 8;
               }else{
                  if (syndromeLength > 63) {
                     numErasureWidth = 7;
                  }else{
                     if (syndromeLength > 31){
                        numErasureWidth = 6;
                     }else{
                        if (syndromeLength > 15){
                           numErasureWidth = 5;
                        }else{
                           if (syndromeLength > 7){
                              numErasureWidth = 4;
                           }else{
                              if (syndromeLength > 3){
                                 numErasureWidth = 3;
                              }else{
                                 numErasureWidth = 2;
                              }
                           }
                        }
                     }
                  }
               }
            }
         }
      }
   }
 
 
   //---------------------------------------------------------------
   // adjust numErasure to numErasureWidth size
   //---------------------------------------------------------------
   numErasureAdjusted = 0;
 
   for (zz = 0; zz <numErasureWidth; zz++){
      numErasureAdjusted = numErasureAdjusted + numErasureBinary[zz] * powerTab[zz];
   }
 
 
   //---------------------------------------------------------------
   //---------------------------------------------------------------
   //---------------------------------------------------------------
   //---------------------------------------------------------------
   //---------------------------------------------------------------
   //---------------------------------------------------------------
   //---------------------------------------------------------------
   //---------------------------------------------------------------
   //---------------------------------------------------------------
 
 
   //---------------------------------------------------------------
   // calculate numErasure
   //---------------------------------------------------------------
   failErasure = 0;
 
   if (numErasure > syndromeLength) {
   failErasure = 1;
   }
 
//   fprintf(OutFileEmulator, "POINt 5\n");
 
  //---------------------------------------------------------------
  // RS decode polymul calculator emulator
  //---------------------------------------------------------------
  RsDecodePolymulEmulator(sumRegTab, DataSize, TotalSize, PrimPoly, bitSymbol, regSyndrome, epsilonRegTab);
 
   for (aa=0; aa < (syndromeLength); aa++) {
      tempNum = 0;
      for (zz=0; zz < bitSymbol; zz++) {
         tempNum = tempNum + sumRegTab[aa*bitSymbol+zz] * powerTab[zz];
      }
//      fprintf(OutFileEmulator, "sumRegTab [%d] = %d \n", aa, tempNum);
   }
 
//   fprintf(OutFileEmulator, "POINt 6\n");
 
 
  //---------------------------------------------------------------
  // RS decode euclide emulator
  //---------------------------------------------------------------
//  RsDecodeEuclideEmulator(numShiftedReg, OmegaRegTab, LambdaRegTab, numErasure, DataSize, TotalSize, PrimPoly, bitSymbol, sumRegTab);
  RsDecodeEuclideEmulator(numShiftedReg, OmegaRegTab, LambdaRegTab, numErasureAdjusted, DataSize, TotalSize, PrimPoly, bitSymbol, sumRegTab);
 
   for(jj=0; jj < syndromeLength; jj++){
      tempNum = 0;
      for(kk=0; kk< bitSymbol; kk++){
         tempNum = tempNum + OmegaRegTab[jj*bitSymbol+kk] * powerTab[kk];
      }
   }
   for(jj=0; jj < syndromeLength; jj++){
      tempNum = 0;
      for(kk=0; kk< bitSymbol; kk++){
         tempNum = tempNum + LambdaRegTab[jj*bitSymbol+kk] * powerTab[kk];
      }
//      fprintf(OutFileEmulator, "LambdaRegTab [%d] = %d \n", aa, tempNum);
   }
 
//   fprintf(OutFileEmulator, "POINt 7\n");
 
  //---------------------------------------------------------------
  // RS decode shift omega emulator
  //---------------------------------------------------------------
  RsDecodeShiftOmegaEmulator(OmegaShiftedTab, OmegaRegTab, numShiftedReg, TotalSize, DataSize, bitSymbol);
 
 
   for(jj=0; jj < syndromeLength; jj++){
      tempNum = 0;
      for(kk=0; kk< bitSymbol; kk++){
         tempNum = tempNum + OmegaShiftedTab[jj*bitSymbol+kk] * powerTab[kk];
      }
//      fprintf(OutFileEmulator, "OmegaShiftedTab [%d] = %d \n", aa, tempNum);
   }
 
//   fprintf(OutFileEmulator, "POINt 8\n");
 
  //---------------------------------------------------------------
  // RS decode lambda degree emulator
  //---------------------------------------------------------------
  RsDecodeDegreeEmulator(DegreeLambda, LambdaRegTab, TotalSize, DataSize, bitSymbol);
 
//   fprintf(OutFileEmulator, "POINt 9\n");
 
 
 
  //---------------------------------------------------------------
  // RS decode omega degree emulator
  //---------------------------------------------------------------
  RsDecodeDegreeEmulator(DegreeOmega, OmegaShiftedTab, TotalSize, DataSize, bitSymbol);
 
//   fprintf(OutFileEmulator, "POINt 10\n");
 
 
 
  //---------------------------------------------------------------
  // RS decode chien emulator
  //---------------------------------------------------------------
  RsDecodeChienEmulator(numError, errorOutTab, DataSize, TotalSize, PrimPoly, bitSymbol, MrefTab, PrefTab, LambdaRegTab, OmegaShiftedTab, epsilonRegTab, ErasureInTab);
 
//   fprintf(OutFileEmulator, "POINt 11\n");
 
  //---------------------------------------------------------------
  // RS decode output generation
  //---------------------------------------------------------------
   for(jj=0; jj < TotalSize; jj++){
      tempix1 = DataInTab[jj];
      tempix2 = errorOutTab[jj];
 
      for (zz =bitSymbol-1; zz>=0;zz=zz-1) {
         if (tempix1 >= powerTab[zz]) {
            tempix1 = tempix1 - powerTab[zz];
            DataInBin [zz] = 1;
         }else{
            DataInBin [zz] = 0;
         }
      }
 
      for (zz =bitSymbol-1; zz>=0;zz=zz-1) {
         if (tempix2 >= powerTab[zz]) {
            tempix2 = tempix2 - powerTab[zz];
            errorOutBin [zz] = 1;
         }else{
            errorOutBin [zz] = 0;
         }
      }
 
      for(zz=0; zz < bitSymbol; zz++){
         dataOutBin[zz] = DataInBin[zz] ^ errorOutBin[zz];
      }
 
 
      //---------------------------------------------------------------
      // bin to dec
      //---------------------------------------------------------------
      tempNum = 0;
      for(kk=0; kk< bitSymbol; kk++){
         tempNum = tempNum + dataOutBin[kk] * powerTab[kk];
      }
      DataOutTab[jj] = tempNum;
 
   }
 
//   fprintf(OutFileEmulator, "POINt 12\n");
 
   //---------------------------------------------------------------
   // fail flag value calculation
   //---------------------------------------------------------------
   failFlag = 0;
 
   if (failErasure == 1){
      failFlag = 1;
   }
 
//   if (DegreeOmega [0] >= DegreeLambda[0] + numErasure){
   if (DegreeOmega [0] > DegreeLambda[0] + numErasure){
      failFlag = 1;
   }
 
 
   if ( DegreeLambda[0] != numError[0]){
      failFlag = 1;
   }
 
 
/*   fprintf(OutFileEmulator, "failErasure = %d \n\n", failErasure);
   fprintf(OutFileEmulator, "DegreeOmega = %d \n", DegreeOmega [0] );
   fprintf(OutFileEmulator, "DegreeLambda = %d \n", DegreeLambda[0] );
   fprintf(OutFileEmulator, "numErasure = %d \n\n", numErasure );
   fprintf(OutFileEmulator, "numError = %d \n", numError[0] );
*/
 
//   fprintf(OutFileEmulator, "POINt 13\n");
 
   //---------------------------------------------------------------
   // assign outputs
   //---------------------------------------------------------------
   for(kk=0; kk< bitSymbol; kk++){
      ErrorNum    [kk] = 0;
      ErasureNum  [kk] = 0;
      RTLfailFlag [kk] = 0;
   }
 
 
   ErrorNum    [0] = numError[0];
//   ErasureNum  [0] = numErasure;
   ErasureNum  [0] = numErasureAdjusted;
   RTLfailFlag [0] = failFlag;
 
 
 
   for(jj=0; jj < TotalSize; jj++){
      RTLDataOut[jj] = DataOutTab[jj];
   }
//   fprintf(OutFileEmulator, "POINt 14\n");
 
//   fclose(OutFileEmulator);
  //---------------------------------------------------------------
  // Free memory
  //---------------------------------------------------------------
   delete[] powerTab;
   delete[] OmegaRegTab;
   delete[] LambdaRegTab;
   delete[] numShiftedReg;
   delete[] OmegaShiftedTab;
   delete[] DegreeLambda;
   delete[] DegreeOmega;
   delete[] numError;
   delete[] errorOutTab;
   delete[] DataInBin;
   delete[] errorOutBin;
   delete[] dataOutBin;
   delete[] DataOutTab;
   delete[] regSyndrome;
   delete[] epsilonRegTab;
   delete[] sumRegTab;
   delete[] numErasureBinary;
 
}

Browse

Tools

Subversion Repositories reed_solomon_codec_generator

[/] [reed_solomon_codec_generator/] [trunk/] [source/] [RsDecodeEmulator.cpp] - Blame information for rev 3

Line No.	Rev	Author	Line
1	2	issei	`//===================================================================`
2			`// Module Name : RsDecodeEmulator`
3			`// File Name : RsDecodeEmulator.cpp`
4			`// Function : RS Decoder Top emulator`
5			`//`
6			`// Revision History:`
7			`// Date By Version Change Description`
8			`//===================================================================`
9			`// 2009/02/03 Gael Sapience 1.0 Original`
10			`//`
11			`//===================================================================`
12			`// (C) COPYRIGHT 2009 SYSTEM LSI CO., Ltd.`
13			`//`
14			`#include <stdio.h>`
15			`#include <stdlib.h>`
16			`#include <iostream>`
17
18			`//FILE *OutFileEmulator;`
19
20
21			`void RsDecodeSyndromeEmulator(int, int, int, int, int, int, int, int);`
22			`void RsDecodeErasureEmulator(int, int, int, int, int, int, int, int, int, int);`
23			`void RsDecodePolymulEmulator(int, int, int, int, int, int, int*);`
24			`void RsDecodeEuclideEmulator(int, int,int,int, int, int, int, int, int);`
25			`void RsDecodeShiftOmegaEmulator(int* , int* , int*, int , int , int);`
26			`void RsDecodeDegreeEmulator(int, int, int, int, int);`
27			`void RsDecodeChienEmulator(int, int, int, int, int, int, int* , int, int, int, int, int* );`
28
29
30			`void RsDecodeEmulator(int ErrorNum, int ErasureNum, int RTLfailFlag, int RTLDataOut, int DataSize, int TotalSize, int PrimPoly, int bitSymbol, int MrefTab, int PrefTab, int coeffTab, int DataInTab, int *ErasureInTab) {`
31
32			`// OutFileEmulator = fopen("RsEmulatorTAMPON.v","w");`
33			`// OutFileEmulator = fopen("RsEmulatorTAMPON.txt","at+");`
34
35			`//---------------------------------------------------------------`
36			`// syndrome Length calculation`
37			`//---------------------------------------------------------------`
38			`int syndromeLength;`
39
40			`syndromeLength = TotalSize - DataSize;`
41
42			`// fprintf(OutFileEmulator, "POINt 1\n");`
43
44			`//---------------------------------------------------------------`
45			`// C++ variables`
46			`//---------------------------------------------------------------`
47			`int ii,jj,kk, aa,zz;`
48			`int tempNum;`
49			`int tempix;`
50			`int tempix1;`
51			`int tempix2;`
52			`int failErasure;`
53			`int numErasure;`
54			`int failFlag;`
55			`int numErasureWidth;`
56			`int numErasureAdjusted;`
57
58			`int *powerTab;`
59			`int *OmegaRegTab;`
60			`int *LambdaRegTab;`
61			`int *numShiftedReg;`
62			`int *OmegaShiftedTab;`
63			`int *DegreeLambda;`
64			`int *DegreeOmega;`
65			`int *numError;`
66			`int *errorOutTab;`
67			`int *DataInBin;`
68			`int *errorOutBin;`
69			`int *dataOutBin;`
70			`int *DataOutTab;`
71			`int *regSyndrome;`
72			`int *epsilonRegTab;`
73			`int *sumRegTab;`
74			`int *numErasureBinary;`
75
76			`DataOutTab = new int[TotalSize];`
77			`dataOutBin = new int[bitSymbol];`
78			`errorOutBin = new int[bitSymbol];`
79			`DataInBin = new int[bitSymbol];`
80			`powerTab = new int[bitSymbol];`
81			`regSyndrome = new int[syndromeLength*bitSymbol];`
82			`epsilonRegTab = new int[(syndromeLength+1)*bitSymbol];`
83			`sumRegTab = new int[syndromeLength*bitSymbol];`
84			`OmegaRegTab = new int[syndromeLength*bitSymbol];`
85			`LambdaRegTab = new int[syndromeLength*bitSymbol];`
86			`numShiftedReg = new int[bitSymbol];`
87			`DegreeLambda = new int[bitSymbol];`
88			`DegreeOmega = new int[bitSymbol];`
89			`OmegaShiftedTab = new int[syndromeLength*bitSymbol];`
90			`numError = new int[bitSymbol];`
91			`errorOutTab = new int[TotalSize];`
92			`numErasureBinary= new int[bitSymbol];`
93
94			`// fprintf(OutFileEmulator, "POINt 2\n");`
95
96			`//---------------------------------------------------------------`
97			`//+ initialize powerTab`
98			`//---------------------------------------------------------------`
99			`powerTab[0] = 1;`
100			`for (ii=1; ii<bitSymbol;ii++){`
101			`powerTab[ii] = 2*powerTab[ii-1];`
102			`}`
103
104
105
106			`//---------------------------------------------------------------`
107			`// RS decode syndrome calculator emulator`
108			`//---------------------------------------------------------------`
109			`RsDecodeSyndromeEmulator(regSyndrome, DataSize, TotalSize, PrimPoly, bitSymbol, MrefTab, PrefTab, DataInTab);`
110
111			`for (aa=0; aa < syndromeLength; aa++) {`
112			`tempNum = 0;`
113			`for (zz=0; zz < bitSymbol; zz++) {`
114			`tempNum = tempNum + regSyndrome[aabitSymbol+zz] powerTab[zz];`
115			`}`
116			`// fprintf(OutFileEmulator, "regSyndrome [%d] = %d \n", aa, tempNum);`
117
118			`}`
119
120			`// fprintf(OutFileEmulator, "POINt 3\n");`
121
122			`//---------------------------------------------------------------`
123			`// RS decode erasure calculator emulator`
124			`//---------------------------------------------------------------`
125			`numErasure = 0;`
126			`failErasure = 0;`
127			`RsDecodeErasureEmulator(failErasure, numErasure, epsilonRegTab, DataSize, TotalSize, PrimPoly, bitSymbol, MrefTab, PrefTab, ErasureInTab);`
128
129			`for (aa=0; aa < (syndromeLength+1); aa++) {`
130			`tempNum = 0;`
131			`for (zz=0; zz < bitSymbol; zz++) {`
132			`tempNum = tempNum + epsilonRegTab[aabitSymbol+zz] powerTab[zz];`
133			`}`
134			`// fprintf(OutFileEmulator, "epsilonRegTab [%d] = %d \n", aa, tempNum);`
135			`}`
136			`// fprintf(OutFileEmulator, "POINt 4\n");`
137
138			`//---------------------------------------------------------------`
139			`//---------------------------------------------------------------`
140			`//---------------------------------------------------------------`
141			`//---------------------------------------------------------------`
142			`//---------------------------------------------------------------`
143			`//---------------------------------------------------------------`
144			`//---------------------------------------------------------------`
145			`//---------------------------------------------------------------`
146
147			`//---------------------------------------------------------------`
148			`// calculate numErasure`
149			`//---------------------------------------------------------------`
150			`numErasure = 0;`
151
152			`for (aa=0; aa<TotalSize; aa++){`
153			`if (ErasureInTab [aa] == 1) {`
154			`numErasure = numErasure + 1;`
155			`}`
156			`}`
157
158
159			`//---------------------------------------------------------------`
160			`// convert numErasure (Decimal to binary)`
161			`//---------------------------------------------------------------`
162			`tempix = numErasure;`
163			`for (zz =bitSymbol-1; zz>=0;zz--) {`
164			`if (tempix >= powerTab[zz]) {`
165			`tempix = tempix - powerTab[zz];`
166			`numErasureBinary [zz] = 1;`
167			`}else{`
168			`numErasureBinary [zz] = 0;`
169			`}`
170			`}`
171
172
173			`//---------------------------------------------------------------`
174			`// numErasureWidth: allowed size for numErasure register`
175			`//---------------------------------------------------------------`
176			`if (syndromeLength > 2047) {`
177			`numErasureWidth = 12;`
178			`}else{`
179			`if (syndromeLength > 1023) {`
180			`numErasureWidth = 11;`
181			`}else{`
182			`if (syndromeLength > 511) {`
183			`numErasureWidth = 10;`
184			`}else{`
185			`if (syndromeLength > 255) {`
186			`numErasureWidth = 9;`
187			`}else{`
188			`if (syndromeLength > 127) {`
189			`numErasureWidth = 8;`
190			`}else{`
191			`if (syndromeLength > 63) {`
192			`numErasureWidth = 7;`
193			`}else{`
194			`if (syndromeLength > 31){`
195			`numErasureWidth = 6;`
196			`}else{`
197			`if (syndromeLength > 15){`
198			`numErasureWidth = 5;`
199			`}else{`
200			`if (syndromeLength > 7){`
201			`numErasureWidth = 4;`
202			`}else{`
203			`if (syndromeLength > 3){`
204			`numErasureWidth = 3;`
205			`}else{`
206			`numErasureWidth = 2;`
207			`}`
208			`}`
209			`}`
210			`}`
211			`}`
212			`}`
213			`}`
214			`}`
215			`}`
216			`}`
217
218
219			`//---------------------------------------------------------------`
220			`// adjust numErasure to numErasureWidth size`
221			`//---------------------------------------------------------------`
222			`numErasureAdjusted = 0;`
223
224			`for (zz = 0; zz <numErasureWidth; zz++){`
225			`numErasureAdjusted = numErasureAdjusted + numErasureBinary[zz] * powerTab[zz];`
226			`}`
227
228
229			`//---------------------------------------------------------------`
230			`//---------------------------------------------------------------`
231			`//---------------------------------------------------------------`
232			`//---------------------------------------------------------------`
233			`//---------------------------------------------------------------`
234			`//---------------------------------------------------------------`
235			`//---------------------------------------------------------------`
236			`//---------------------------------------------------------------`
237			`//---------------------------------------------------------------`
238
239
240			`//---------------------------------------------------------------`
241			`// calculate numErasure`
242			`//---------------------------------------------------------------`
243			`failErasure = 0;`
244
245			`if (numErasure > syndromeLength) {`
246			`failErasure = 1;`
247			`}`
248
249			`// fprintf(OutFileEmulator, "POINt 5\n");`
250
251			`//---------------------------------------------------------------`
252			`// RS decode polymul calculator emulator`
253			`//---------------------------------------------------------------`
254			`RsDecodePolymulEmulator(sumRegTab, DataSize, TotalSize, PrimPoly, bitSymbol, regSyndrome, epsilonRegTab);`
255
256			`for (aa=0; aa < (syndromeLength); aa++) {`
257			`tempNum = 0;`
258			`for (zz=0; zz < bitSymbol; zz++) {`
259			`tempNum = tempNum + sumRegTab[aabitSymbol+zz] powerTab[zz];`
260			`}`
261			`// fprintf(OutFileEmulator, "sumRegTab [%d] = %d \n", aa, tempNum);`
262			`}`
263
264			`// fprintf(OutFileEmulator, "POINt 6\n");`
265
266
267			`//---------------------------------------------------------------`
268			`// RS decode euclide emulator`
269			`//---------------------------------------------------------------`
270			`// RsDecodeEuclideEmulator(numShiftedReg, OmegaRegTab, LambdaRegTab, numErasure, DataSize, TotalSize, PrimPoly, bitSymbol, sumRegTab);`
271			`RsDecodeEuclideEmulator(numShiftedReg, OmegaRegTab, LambdaRegTab, numErasureAdjusted, DataSize, TotalSize, PrimPoly, bitSymbol, sumRegTab);`
272
273			`for(jj=0; jj < syndromeLength; jj++){`
274			`tempNum = 0;`
275			`for(kk=0; kk< bitSymbol; kk++){`
276			`tempNum = tempNum + OmegaRegTab[jjbitSymbol+kk] powerTab[kk];`
277			`}`
278			`}`
279			`for(jj=0; jj < syndromeLength; jj++){`
280			`tempNum = 0;`
281			`for(kk=0; kk< bitSymbol; kk++){`
282			`tempNum = tempNum + LambdaRegTab[jjbitSymbol+kk] powerTab[kk];`
283			`}`
284			`// fprintf(OutFileEmulator, "LambdaRegTab [%d] = %d \n", aa, tempNum);`
285			`}`
286
287			`// fprintf(OutFileEmulator, "POINt 7\n");`
288
289			`//---------------------------------------------------------------`
290			`// RS decode shift omega emulator`
291			`//---------------------------------------------------------------`
292			`RsDecodeShiftOmegaEmulator(OmegaShiftedTab, OmegaRegTab, numShiftedReg, TotalSize, DataSize, bitSymbol);`
293
294
295			`for(jj=0; jj < syndromeLength; jj++){`
296			`tempNum = 0;`
297			`for(kk=0; kk< bitSymbol; kk++){`
298			`tempNum = tempNum + OmegaShiftedTab[jjbitSymbol+kk] powerTab[kk];`
299			`}`
300			`// fprintf(OutFileEmulator, "OmegaShiftedTab [%d] = %d \n", aa, tempNum);`
301			`}`
302
303			`// fprintf(OutFileEmulator, "POINt 8\n");`
304
305			`//---------------------------------------------------------------`
306			`// RS decode lambda degree emulator`
307			`//---------------------------------------------------------------`
308			`RsDecodeDegreeEmulator(DegreeLambda, LambdaRegTab, TotalSize, DataSize, bitSymbol);`
309
310			`// fprintf(OutFileEmulator, "POINt 9\n");`
311
312
313
314			`//---------------------------------------------------------------`
315			`// RS decode omega degree emulator`
316			`//---------------------------------------------------------------`
317			`RsDecodeDegreeEmulator(DegreeOmega, OmegaShiftedTab, TotalSize, DataSize, bitSymbol);`
318
319			`// fprintf(OutFileEmulator, "POINt 10\n");`
320
321
322
323			`//---------------------------------------------------------------`
324			`// RS decode chien emulator`
325			`//---------------------------------------------------------------`
326			`RsDecodeChienEmulator(numError, errorOutTab, DataSize, TotalSize, PrimPoly, bitSymbol, MrefTab, PrefTab, LambdaRegTab, OmegaShiftedTab, epsilonRegTab, ErasureInTab);`
327
328			`// fprintf(OutFileEmulator, "POINt 11\n");`
329
330			`//---------------------------------------------------------------`
331			`// RS decode output generation`
332			`//---------------------------------------------------------------`
333			`for(jj=0; jj < TotalSize; jj++){`
334			`tempix1 = DataInTab[jj];`
335			`tempix2 = errorOutTab[jj];`
336
337			`for (zz =bitSymbol-1; zz>=0;zz=zz-1) {`
338			`if (tempix1 >= powerTab[zz]) {`
339			`tempix1 = tempix1 - powerTab[zz];`
340			`DataInBin [zz] = 1;`
341			`}else{`
342			`DataInBin [zz] = 0;`
343			`}`
344			`}`
345
346			`for (zz =bitSymbol-1; zz>=0;zz=zz-1) {`
347			`if (tempix2 >= powerTab[zz]) {`
348			`tempix2 = tempix2 - powerTab[zz];`
349			`errorOutBin [zz] = 1;`
350			`}else{`
351			`errorOutBin [zz] = 0;`
352			`}`
353			`}`
354
355			`for(zz=0; zz < bitSymbol; zz++){`
356			`dataOutBin[zz] = DataInBin[zz] ^ errorOutBin[zz];`
357			`}`
358
359
360			`//---------------------------------------------------------------`
361			`// bin to dec`
362			`//---------------------------------------------------------------`
363			`tempNum = 0;`
364			`for(kk=0; kk< bitSymbol; kk++){`
365			`tempNum = tempNum + dataOutBin[kk] * powerTab[kk];`
366			`}`
367			`DataOutTab[jj] = tempNum;`
368
369			`}`
370
371			`// fprintf(OutFileEmulator, "POINt 12\n");`
372
373			`//---------------------------------------------------------------`
374			`// fail flag value calculation`
375			`//---------------------------------------------------------------`
376			`failFlag = 0;`
377
378			`if (failErasure == 1){`
379			`failFlag = 1;`
380			`}`
381
382			`// if (DegreeOmega [0] >= DegreeLambda[0] + numErasure){`
383			`if (DegreeOmega [0] > DegreeLambda[0] + numErasure){`
384			`failFlag = 1;`
385			`}`
386
387
388			`if ( DegreeLambda[0] != numError[0]){`
389			`failFlag = 1;`
390			`}`
391
392
393			`/* fprintf(OutFileEmulator, "failErasure = %d \n\n", failErasure);`
394			`fprintf(OutFileEmulator, "DegreeOmega = %d \n", DegreeOmega [0] );`
395			`fprintf(OutFileEmulator, "DegreeLambda = %d \n", DegreeLambda[0] );`
396			`fprintf(OutFileEmulator, "numErasure = %d \n\n", numErasure );`
397			`fprintf(OutFileEmulator, "numError = %d \n", numError[0] );`
398			`*/`
399
400			`// fprintf(OutFileEmulator, "POINt 13\n");`
401
402			`//---------------------------------------------------------------`
403			`// assign outputs`
404			`//---------------------------------------------------------------`
405			`for(kk=0; kk< bitSymbol; kk++){`
406			`ErrorNum [kk] = 0;`
407			`ErasureNum [kk] = 0;`
408			`RTLfailFlag [kk] = 0;`
409			`}`
410
411
412			`ErrorNum [0] = numError[0];`
413			`// ErasureNum [0] = numErasure;`
414			`ErasureNum [0] = numErasureAdjusted;`
415			`RTLfailFlag [0] = failFlag;`
416
417
418
419			`for(jj=0; jj < TotalSize; jj++){`
420			`RTLDataOut[jj] = DataOutTab[jj];`
421			`}`
422			`// fprintf(OutFileEmulator, "POINt 14\n");`
423
424			`// fclose(OutFileEmulator);`
425			`//---------------------------------------------------------------`
426			`// Free memory`
427			`//---------------------------------------------------------------`
428			`delete[] powerTab;`
429			`delete[] OmegaRegTab;`
430			`delete[] LambdaRegTab;`
431			`delete[] numShiftedReg;`
432			`delete[] OmegaShiftedTab;`
433			`delete[] DegreeLambda;`
434			`delete[] DegreeOmega;`
435			`delete[] numError;`
436			`delete[] errorOutTab;`
437			`delete[] DataInBin;`
438			`delete[] errorOutBin;`
439			`delete[] dataOutBin;`
440			`delete[] DataOutTab;`
441			`delete[] regSyndrome;`
442			`delete[] epsilonRegTab;`
443			`delete[] sumRegTab;`
444			`delete[] numErasureBinary;`
445
446			`}`