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[/] [reed_solomon_codec_generator/] [trunk/] [source/] [RsDecodeChien.cpp] - Blame information for rev 2

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//===================================================================
2 
// Module Name : RsDecodeChien
3 
// File Name   : RsDecodeChien.cpp
4 
// Function    : RTL Decoder Chien Module generation
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 
#include<windows.h>
18 
#include<fstream>
19 
#include <string.h>
20 
using namespace std;
21 
 
22 
FILE  *OutFileDecodeChien;
23 
void RsGfMultiplier( int*, int*,int*, int, int);
24 
 
25 
void RsDecodeChien(int DataSize, int TotalSize, int PrimPoly, int bitSymbol, int ErasureOption, int *MrefTab, int *PrefTab, int errorStats, int passFailFlag, int pathFlag, int lengthPath, char *rootFolderPath) {
26 
 
27 
 
28 
   //---------------------------------------------------------------
29 
   // C++ variables
30 
   //---------------------------------------------------------------
31 
   int syndromeLength;
32 
   syndromeLength = TotalSize - DataSize;
33 
 
34 
   int ii,jj,zz,kk;
35 
   int MaxValue;
36 
   int param1;
37 
   int tempix;
38 
   int tempo2;
39 
   int index;
40 
   int initValue;
41 
   int Pidx;
42 
   int init;
43 
   int idx1;
44 
   int idx2;
45 
   int tempNum;
46 
   int mmTabSize = (bitSymbol*2) -1;
47 
   int indexSyndrome;
48 
   int countSize;
49 
   int lambdaPointer;
50 
   int omegaPointer;
51 
   int *coeffTab;
52 
   int *initTab;
53 
   int *x1Tab;
54 
   int *x2Tab;
55 
   int *ppTab;
56 
   int *powerTab;
57 
   int *bbTab;
58 
   int *ttTab;
59 
   int *bidon;
60 
   char *strRsDecodeChien;
61 
 
62 
   MaxValue = 2;
63 
   for(ii=0; ii<(bitSymbol-1); ii++){
64 
      MaxValue = MaxValue*2;
65 
   }
66 
 
67 
   coeffTab = new int[MaxValue];
68 
   initTab  = new int[MaxValue];
69 
   x1Tab    = new int[bitSymbol];
70 
   x2Tab    = new int[bitSymbol];
71 
   ppTab    = new int[bitSymbol];
72 
   powerTab = new int[bitSymbol];
73 
   bbTab    = new int[bitSymbol];
74 
   ttTab    = new int[bitSymbol];
75 
   bidon    = new int[bitSymbol];
76 
 
77 
 
78 
   if (ErasureOption == 0){
79 
      lambdaPointer = (syndromeLength/2)+1;
80 
      omegaPointer  = (syndromeLength/2);
81 
   }else{
82 
      lambdaPointer = syndromeLength;
83 
      omegaPointer  = syndromeLength;
84 
   }
85 
 
86 
 
87 
 
88 
   //---------------------------------------------------------------
89 
   //---------------------------------------------------------------
90 
   countSize = 0;
91 
 
92 
   if (TotalSize > 2047) {
93 
      countSize = 12;
94 
   } else{
95 
      if (TotalSize > 1023) {
96 
         countSize = 11;
97 
      } else{
98 
         if (TotalSize > 511) {
99 
            countSize = 10;
100 
         }else{
101 
            if (TotalSize > 255) {
102 
               countSize = 9;
103 
            }else{
104 
               if (TotalSize > 127) {
105 
                  countSize = 8;
106 
               }else{
107 
                  if (TotalSize > 63) {
108 
                     countSize = 7;
109 
                  }else{
110 
                     if (TotalSize > 31) {
111 
                        countSize = 6;
112 
                     }else{
113 
                        if (TotalSize > 15) {
114 
                           countSize = 5;
115 
                        }else{
116 
                           if (TotalSize > 7) {
117 
                              countSize = 4;
118 
                           }else{
119 
                              if (TotalSize > 3) {
120 
                                 countSize = 3;
121 
                              }else{
122 
                                 countSize = 2;
123 
                              }
124 
                           }
125 
                        }
126 
                     }
127 
                  }
128 
               }
129 
            }
130 
         }
131 
      }
132 
   }
133 
 
134 
 
135 
   //---------------------------------------------------------------
136 
   // calculate indexSyndrome
137 
   //---------------------------------------------------------------
138 
   if (syndromeLength > 2047) {
139 
      indexSyndrome = 11;
140 
   }
141 
   else if (syndromeLength > 1023) {
142 
      indexSyndrome = 10;
143 
   }
144 
   else if (syndromeLength > 511) {
145 
      indexSyndrome = 9;
146 
   }
147 
   else if (syndromeLength > 255) {
148 
      indexSyndrome = 8;
149 
   }
150 
   else if (syndromeLength > 127) {
151 
      indexSyndrome = 7;
152 
   }
153 
   else if  (syndromeLength > 63) {
154 
      indexSyndrome = 6;
155 
   }
156 
   else if  (syndromeLength > 31) {
157 
      indexSyndrome = 5;
158 
   }
159 
   else if  (syndromeLength > 15) {
160 
      indexSyndrome = 4;
161 
   }
162 
   else if  (syndromeLength > 7) {
163 
      indexSyndrome = 3;
164 
   }
165 
   else if  (syndromeLength > 3) {
166 
      indexSyndrome = 2;
167 
   }
168 
   else {
169 
      indexSyndrome = 1;
170 
   }
171 
 
172 
 
173 
   //---------------------------------------------------------------
174 
   // open file
175 
   //---------------------------------------------------------------
176 
   strRsDecodeChien = (char *)calloc(lengthPath + 21,  sizeof(char));
177 
   if (pathFlag == 0) {
178 
        strRsDecodeChien[0] = '.';
179 
   }else{
180 
      for(ii=0; ii<lengthPath; ii++){
181 
         strRsDecodeChien[ii] = rootFolderPath[ii];
182 
      }
183 
   }
184 
   strcat(strRsDecodeChien, "/rtl/RsDecodeChien.v");
185 
 
186 
   OutFileDecodeChien = fopen(strRsDecodeChien,"w");
187 
 
188 
 
189 
   //---------------------------------------------------------------
190 
   // write File Header
191 
   //---------------------------------------------------------------
192 
   fprintf(OutFileDecodeChien, "//===================================================================\n");
193 
   fprintf(OutFileDecodeChien, "// Module Name : RsDecodeChien\n");
194 
   fprintf(OutFileDecodeChien, "// File Name   : RsDecodeChien.v\n");
195 
   fprintf(OutFileDecodeChien, "// Function    : Rs Decoder Chien search algorithm Module\n");
196 
   fprintf(OutFileDecodeChien, "// \n");
197 
   fprintf(OutFileDecodeChien, "// Revision History:\n");
198 
   fprintf(OutFileDecodeChien, "// Date          By           Version    Change Description\n");
199 
   fprintf(OutFileDecodeChien, "//===================================================================\n");
200 
   fprintf(OutFileDecodeChien, "// 2009/02/03  Gael Sapience     1.0       Original\n");
201 
   fprintf(OutFileDecodeChien, "//\n");
202 
   fprintf(OutFileDecodeChien, "//===================================================================\n");
203 
   fprintf(OutFileDecodeChien, "// (C) COPYRIGHT 2009 SYSTEM LSI CO., Ltd.\n");
204 
   fprintf(OutFileDecodeChien, "//\n\n\n");
205 
 
206 
   //---------------------------------------------------------------
207 
   // Ports Declaration
208 
   //---------------------------------------------------------------
209 
   fprintf(OutFileDecodeChien, "module RsDecodeChien(\n");
210 
   fprintf(OutFileDecodeChien, "   CLK,            // system clock\n");
211 
   fprintf(OutFileDecodeChien, "   RESET,          // system reset\n");
212 
   fprintf(OutFileDecodeChien, "   enable,         // enable signal\n");
213 
   fprintf(OutFileDecodeChien, "   sync,           // sync signal\n");
214 
   if (ErasureOption == 1) {
215 
      fprintf(OutFileDecodeChien, "   erasureIn,      // erasure input\n");
216 
   }
217 
 
218 
//   for (ii=0; ii<syndromeLength;ii++){
219 
   for (ii=0; ii<lambdaPointer;ii++){
220 
      if (ii < 10) {
221 
         fprintf(OutFileDecodeChien, "   lambdaIn_%d,     // lambda polynom %d\n", ii, ii);
222 
      }else{
223 
         fprintf(OutFileDecodeChien, "   lambdaIn_%d,    // lambda polynom %d\n", ii, ii);
224 
      }
225 
   }
226 
 
227 
//   for (ii=0 ; ii<syndromeLength;ii++){
228 
   for (ii=0 ; ii<omegaPointer;ii++){
229 
      if (ii < 10) {
230 
         fprintf(OutFileDecodeChien, "   omegaIn_%d,      // omega polynom %d\n", ii, ii);
231 
      }else{
232 
         fprintf(OutFileDecodeChien, "   omegaIn_%d,     // omega polynom %d\n", ii, ii);
233 
      }
234 
   }
235 
 
236 
   if (ErasureOption == 1) {
237 
      for (ii=0; ii<(syndromeLength+1);ii++){
238 
         if (ii < 10) {
239 
            fprintf(OutFileDecodeChien, "   epsilonIn_%d,    // epsilon polynom %d\n", ii, ii);
240 
         }else{
241 
            fprintf(OutFileDecodeChien, "   epsilonIn_%d,   // epsilon polynom %d\n", ii, ii);
242 
         }
243 
      }
244 
   }
245 
 
246 
   fprintf(OutFileDecodeChien, "   errorOut,       // error output\n");
247 
   if ((errorStats!=0) || (passFailFlag!=0)) {
248 
      fprintf(OutFileDecodeChien, "   numError,       // error amount\n");
249 
   }
250 
   fprintf(OutFileDecodeChien, "   done            // done signal\n");
251 
   fprintf(OutFileDecodeChien, ");\n\n\n");
252 
 
253 
 
254 
   //---------------------------------------------------------------
255 
   // I/O instantiation
256 
   //---------------------------------------------------------------
257 
   fprintf(OutFileDecodeChien, "   input          CLK;            // system clock\n");
258 
   fprintf(OutFileDecodeChien, "   input          RESET;          // system reset\n");
259 
   fprintf(OutFileDecodeChien, "   input          enable;         // enable signal\n");
260 
   fprintf(OutFileDecodeChien, "   input          sync;           // sync signal\n");
261 
   if (ErasureOption == 1) {
262 
      fprintf(OutFileDecodeChien, "   input          erasureIn;      // erasure input\n");
263 
   }
264 
 
265 
//   for (ii=0;ii<(syndromeLength);ii++){
266 
   for (ii=0;ii<(lambdaPointer);ii++){
267 
      if (ii < 10){
268 
         fprintf(OutFileDecodeChien, "   input  [%d:0]   lambdaIn_%d;     // lambda polynom %d\n", bitSymbol-1, ii, ii);
269 
      }else{
270 
         fprintf(OutFileDecodeChien, "   input  [%d:0]   lambdaIn_%d;    // lambda polynom %d\n", bitSymbol-1, ii, ii);
271 
      }
272 
   }
273 
 
274 
//   for (ii=0;ii<(syndromeLength);ii++){
275 
   for (ii=0;ii<(omegaPointer);ii++){
276 
      if (ii < 10) {
277 
         fprintf(OutFileDecodeChien, "   input  [%d:0]   omegaIn_%d;      // omega polynom %d\n", bitSymbol-1, ii, ii);
278 
      }else{
279 
         fprintf(OutFileDecodeChien, "   input  [%d:0]   omegaIn_%d;     // omega polynom %d\n", bitSymbol-1, ii, ii);
280 
      }
281 
   }
282 
   fprintf(OutFileDecodeChien, "\n");
283 
 
284 
   if (ErasureOption == 1) {
285 
      for (ii=0; ii<(syndromeLength+1);ii++){
286 
         if (ii < 10) {
287 
            fprintf(OutFileDecodeChien, "   input  [%d:0]   epsilonIn_%d;    // epsilon polynom %d\n", bitSymbol-1, ii, ii);
288 
         }else{
289 
            fprintf(OutFileDecodeChien, "   input  [%d:0]   epsilonIn_%d;   // epsilon polynom %d\n", bitSymbol-1, ii, ii);
290 
         }
291 
      }
292 
   }
293 
   fprintf(OutFileDecodeChien, "   output [%d:0]   errorOut;       // error output\n", bitSymbol-1);
294 
   if ((errorStats!=0) || (passFailFlag!=0)) {
295 
      fprintf(OutFileDecodeChien, "   output [%d:0]   numError;       // error amount\n", indexSyndrome);
296 
   }
297 
   fprintf(OutFileDecodeChien, "   output         done;           // done signal\n");
298 
   fprintf(OutFileDecodeChien, "\n\n\n");
299 
 
300 
 
301 
   //------------------------------------------------------------------------
302 
   //- registers instantiation
303 
   //------------------------------------------------------------------------
304 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
305 
   fprintf(OutFileDecodeChien, "   // + \n");
306 
   fprintf(OutFileDecodeChien, "   //- registers\n");
307 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
308 
 
309 
   if (ErasureOption == 1) {
310 
      fprintf(OutFileDecodeChien, "   reg  [%d:0]   lambdaSum;\n", bitSymbol-1);
311 
      fprintf(OutFileDecodeChien, "   reg  [%d:0]   lambdaSumReg;\n", bitSymbol-1);
312 
   }
313 
   fprintf(OutFileDecodeChien, "   reg  [%d:0]   lambdaEven;\n", bitSymbol-1);
314 
   fprintf(OutFileDecodeChien, "   reg  [%d:0]   lambdaEvenReg;\n", bitSymbol-1);
315 
   fprintf(OutFileDecodeChien, "   reg  [%d:0]   lambdaEvenReg2;\n", bitSymbol-1);
316 
   fprintf(OutFileDecodeChien, "   reg  [%d:0]   lambdaEvenReg3;\n", bitSymbol-1);
317 
   fprintf(OutFileDecodeChien, "   reg  [%d:0]   lambdaOdd;\n", bitSymbol-1);
318 
   fprintf(OutFileDecodeChien, "   reg  [%d:0]   lambdaOddReg;\n", bitSymbol-1);
319 
   fprintf(OutFileDecodeChien, "   reg  [%d:0]   lambdaOddReg2;\n", bitSymbol-1);
320 
   fprintf(OutFileDecodeChien, "   reg  [%d:0]   lambdaOddReg3;\n", bitSymbol-1);
321 
   fprintf(OutFileDecodeChien, "   wire [%d:0]   denomE0;\n", bitSymbol-1);
322 
 
323 
   if (ErasureOption == 1){
324 
      fprintf(OutFileDecodeChien, "   wire [%d:0]   denomE1;\n", bitSymbol-1);
325 
   }
326 
   fprintf(OutFileDecodeChien, "   reg  [%d:0]   denomE0Reg;\n", bitSymbol-1);
327 
   if (ErasureOption == 1){
328 
      fprintf(OutFileDecodeChien, "   reg  [%d:0]   denomE1Reg;\n", bitSymbol-1);
329 
   }
330 
   fprintf(OutFileDecodeChien, "   wire [%d:0]   denomE0Inv;\n", bitSymbol-1);
331 
   if (ErasureOption == 1){
332 
      fprintf(OutFileDecodeChien, "   wire [%d:0]   denomE1Inv;\n", bitSymbol-1);
333 
   }
334 
   fprintf(OutFileDecodeChien, "   reg  [%d:0]   denomE0InvReg;\n", bitSymbol-1);
335 
   if (ErasureOption == 1){
336 
      fprintf(OutFileDecodeChien, "   reg  [%d:0]   denomE1InvReg;\n", bitSymbol-1);
337 
   }
338 
 
339 
   fprintf(OutFileDecodeChien, "   reg  [%d:0]   omegaSum;\n", bitSymbol-1);
340 
   fprintf(OutFileDecodeChien, "   reg  [%d:0]   omegaSumReg;\n", bitSymbol-1);
341 
   fprintf(OutFileDecodeChien, "   reg  [%d:0]   numeReg;\n", bitSymbol-1);
342 
   fprintf(OutFileDecodeChien, "   reg  [%d:0]   numeReg2;\n", bitSymbol-1);
343 
 
344 
   if (ErasureOption == 1){
345 
      fprintf(OutFileDecodeChien, "   reg  [%d:0]   epsilonSum;\n", bitSymbol-1);
346 
      fprintf(OutFileDecodeChien, "   reg  [%d:0]   epsilonSumReg;\n", bitSymbol-1);
347 
      fprintf(OutFileDecodeChien, "   reg  [%d:0]   epsilonOdd;\n", bitSymbol-1);
348 
      fprintf(OutFileDecodeChien, "   reg  [%d:0]   epsilonOddReg;\n", bitSymbol-1);
349 
   }
350 
 
351 
   fprintf(OutFileDecodeChien, "   wire [%d:0]   errorValueE0;\n", bitSymbol-1);
352 
   if (ErasureOption == 1){
353 
      fprintf(OutFileDecodeChien, "   wire [%d:0]   errorValueE1;\n", bitSymbol-1);
354 
   }
355 
 
356 
//   fprintf(OutFileDecodeChien, "   reg  [%d:0]   count;\n", bitSymbol);
357 
   fprintf(OutFileDecodeChien, "   reg  [%d:0]   count;\n", countSize-1);
358 
   fprintf(OutFileDecodeChien, "   reg          doneOrg;\n");
359 
   fprintf(OutFileDecodeChien, "\n\n");
360 
 
361 
 
362 
   //------------------------------------------------------------------------
363 
   //- coeffTab initialize
364 
   //------------------------------------------------------------------------
365 
   coeffTab [0] = 0;
366 
   coeffTab [1] = MaxValue - TotalSize;
367 
   param1 = MaxValue - TotalSize;
368 
 
369 
 
370 
   //------------------------------------------------------------------------
371 
   //- x1Tab initialize
372 
   //------------------------------------------------------------------------
373 
   x1Tab[0] = 1;
374 
   for (ii=1;ii<bitSymbol;ii++){
375 
      x1Tab[ii] = 0;
376 
   }
377 
 
378 
 
379 
   //------------------------------------------------------------------------
380 
   //- x2Tab initialize
381 
   //------------------------------------------------------------------------
382 
   x2Tab[0] = 0;
383 
   x2Tab[1] = 1;
384 
   for (ii=2;ii<bitSymbol;ii++){
385 
      x2Tab[ii] = 0;
386 
   }
387 
 
388 
 
389 
   //------------------------------------------------------------------------
390 
   //- powerTab initialize
391 
   //------------------------------------------------------------------------
392 
   powerTab[0] = 1;
393 
   for (ii=1; ii<bitSymbol;ii++){
394 
      powerTab[ii] = 2*powerTab[ii-1];
395 
   }
396 
 
397 
 
398 
   //------------------------------------------------------------------------
399 
   //- phase 1 : initTab calculation
400 
   //------------------------------------------------------------------------
401 
   for(ii=0;ii<MaxValue;ii++){
402 
 
403 
      //------------------------------------------------------------------------
404 
      //- ppTab = x1Tab * x2Tab
405 
      //------------------------------------------------------------------------
406 
      RsGfMultiplier(ppTab, x1Tab, x2Tab, PrimPoly, bitSymbol);
407 
 
408 
 
409 
      //------------------------------------------------------------------------
410 
      //- reassign x1Tab
411 
      //------------------------------------------------------------------------
412 
      for (zz=0; zz<bitSymbol;zz++){
413 
         x1Tab[zz]      = ppTab[zz];
414 
      }
415 
 
416 
 
417 
      //------------------------------------------------------------------------
418 
      //- Binary To Decimal initValue[dec] = x1Tab[bin]
419 
      //------------------------------------------------------------------------
420 
      initValue = 0;
421 
      for (zz=0; zz<bitSymbol;zz++){
422 
         initValue = initValue + x1Tab[zz] * powerTab[zz];
423 
      }
424 
      initTab[ii] = initValue;
425 
   }
426 
 
427 
 
428 
   //------------------------------------------------------------------------
429 
   //- Decimal To Binary x1Tab[bin] = x2Tab[bin] = tempix[dec]
430 
   //------------------------------------------------------------------------
431 
   tempix = initTab[param1-1];
432 
 
433 
   for (zz =bitSymbol-1; zz>=0;zz--) {
434 
      if (tempix >= powerTab[zz]) {
435 
         tempix = tempix - powerTab[zz];
436 
         x1Tab [zz] = 1;
437 
         x2Tab [zz] = 1;
438 
      }else{
439 
         x1Tab [zz] = 0;
440 
         x2Tab [zz] = 0;
441 
      }
442 
   }
443 
 
444 
 
445 
 
446 
   //------------------------------------------------------------------------
447 
   //- phase 2
448 
   //------------------------------------------------------------------------
449 
   for (ii = 1;ii<(syndromeLength+1); ii++){
450 
 
451 
      //------------------------------------------------------------------------
452 
      //- ppTab = x1Tab * x2Tab
453 
      //------------------------------------------------------------------------
454 
      RsGfMultiplier(ppTab, x1Tab, x2Tab, PrimPoly, bitSymbol);
455 
 
456 
 
457 
      //------------------------------------------------------------------------
458 
      //- reassign x1Tab
459 
      //------------------------------------------------------------------------
460 
      for (zz=0; zz<bitSymbol;zz++){
461 
         x2Tab[zz]      = ppTab[zz];
462 
      }
463 
 
464 
 
465 
      //------------------------------------------------------------------------
466 
      //- Binary To Decimal initValue[dec] = x2Tab[bin]
467 
      //------------------------------------------------------------------------
468 
      initValue = 0;
469 
      for (zz=0; zz<bitSymbol;zz++){
470 
         initValue = initValue + x2Tab[zz] * powerTab[zz];
471 
      }
472 
      tempo2= initValue;
473 
 
474 
 
475 
      //------------------------------------------------------------------------
476 
      //- index search
477 
      //------------------------------------------------------------------------
478 
      index = 0;
479 
      for (jj=0;jj<MaxValue;jj++){
480 
         if (initTab[jj]==tempo2){
481 
            if (jj == (MaxValue-1)){
482 
               index = 0;
483 
            }else{
484 
               index = jj;
485 
            }
486 
         }
487 
      }
488 
      coeffTab[ii+1] = index+1;
489 
   }
490 
 
491 
 
492 
   fprintf(OutFileDecodeChien, "\n\n\n");
493 
 
494 
 
495 
 
496 
   //------------------------------------------------------------------
497 
   // + count
498 
   //------------------------------------------------------------------
499 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------\n");
500 
   fprintf(OutFileDecodeChien, "   // + count\n");
501 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------\n");
502 
   fprintf(OutFileDecodeChien, "   always @(posedge CLK or negedge RESET) begin\n");
503 
   fprintf(OutFileDecodeChien, "      if (~RESET) begin\n");
504 
//   fprintf(OutFileDecodeChien, "         count [%d:0] <= %d'd0;\n", bitSymbol, bitSymbol+1);
505 
   fprintf(OutFileDecodeChien, "         count [%d:0] <= %d'd0;\n", countSize-1, countSize);
506 
   fprintf(OutFileDecodeChien, "      end\n");
507 
   fprintf(OutFileDecodeChien, "      else if (enable == 1'b1) begin\n");
508 
 
509 
   fprintf(OutFileDecodeChien, "         if (sync == 1'b1) begin\n");
510 
//   fprintf(OutFileDecodeChien, "            count[%d:0] <= %d'd1;\n", bitSymbol, bitSymbol+1);
511 
   fprintf(OutFileDecodeChien, "            count[%d:0] <= %d'd1;\n", countSize-1, countSize);
512 
   fprintf(OutFileDecodeChien, "         end\n");
513 
//   fprintf(OutFileDecodeChien, "         else if ((count[%d:0] ==%d'd0) || (count[%d:0] ==%d'd%d)) begin\n", bitSymbol, bitSymbol+1, bitSymbol, bitSymbol+1,TotalSize);
514 
   fprintf(OutFileDecodeChien, "         else if ((count[%d:0] ==%d'd0) || (count[%d:0] ==%d'd%d)) begin\n", countSize-1, countSize, countSize-1, countSize,TotalSize);
515 
//   fprintf(OutFileDecodeChien, "            count[%d:0] <= %d'd0;\n", bitSymbol, bitSymbol+1);
516 
   fprintf(OutFileDecodeChien, "            count[%d:0] <= %d'd0;\n", countSize-1, countSize);
517 
   fprintf(OutFileDecodeChien, "         end\n");
518 
   fprintf(OutFileDecodeChien, "         else begin\n");
519 
//   fprintf(OutFileDecodeChien, "            count[%d:0] <= count[%d:0] + %d'd1;\n", bitSymbol, bitSymbol, bitSymbol+1);
520 
   fprintf(OutFileDecodeChien, "            count[%d:0] <= count[%d:0] + %d'd1;\n", countSize-1, countSize-1, countSize);
521 
   fprintf(OutFileDecodeChien, "         end\n");
522 
   fprintf(OutFileDecodeChien, "      end\n");
523 
   fprintf(OutFileDecodeChien, "   end\n");
524 
   fprintf(OutFileDecodeChien, "\n\n\n");
525 
 
526 
 
527 
   //------------------------------------------------------------------
528 
   // + doneOrg
529 
   //------------------------------------------------------------------
530 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------\n");
531 
   fprintf(OutFileDecodeChien, "   // + doneOrg\n");
532 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------\n");
533 
   fprintf(OutFileDecodeChien, "   always @(count) begin\n");
534 
   fprintf(OutFileDecodeChien, "      if (count[%d:0] == %d'd%d) begin\n", countSize-1, countSize, TotalSize);
535 
   fprintf(OutFileDecodeChien, "         doneOrg   = 1'b1;\n");
536 
   fprintf(OutFileDecodeChien, "      end else begin\n");
537 
   fprintf(OutFileDecodeChien, "         doneOrg   = 1'b0;\n");
538 
   fprintf(OutFileDecodeChien, "      end\n");
539 
   fprintf(OutFileDecodeChien, "   end\n");
540 
   fprintf(OutFileDecodeChien, "\n");
541 
   fprintf(OutFileDecodeChien, "   assign   done   = doneOrg;\n");
542 
   fprintf(OutFileDecodeChien, "\n\n\n");
543 
 
544 
 
545 
   //------------------------------------------------------------------------
546 
   //- LAMBDA_INI = CHIEN_COEFF_LI * LAMBDA_IN
547 
   //------------------------------------------------------------------------
548 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
549 
   fprintf(OutFileDecodeChien, "   //- lambdaIni\n");
550 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
551 
//   for (ii=0;ii<syndromeLength;ii++){
552 
   for (ii=0;ii<lambdaPointer;ii++){
553 
      fprintf(OutFileDecodeChien, "   wire [%d:0]   lambdaIni_%d;\n",bitSymbol-1,ii);
554 
   }
555 
   fprintf(OutFileDecodeChien, "\n\n");
556 
 
557 
 
558 
 
559 
 
560 
//   for (zz=0;zz<syndromeLength;zz++){
561 
   for (zz=0;zz<lambdaPointer;zz++){
562 
      //------------------------------------------------------------------------
563 
      //- mult Coeff Emulator
564 
      //------------------------------------------------------------------------
565 
      if (coeffTab[zz] ==0) {
566 
         for (ii=0;ii<bitSymbol;ii++){
567 
            fprintf(OutFileDecodeChien, "   assign lambdaIni_%d [%d] = lambdaIn_%d[%d];\n", zz, ii, zz, ii);
568 
         }
569 
      }else{
570 
 
571 
         //------------------------------------------------------------------------
572 
         // initialize ttTab
573 
         //------------------------------------------------------------------------
574 
         ttTab[0] = 1;
575 
         for (ii=1;ii<bitSymbol;ii++){
576 
            ttTab[ii] = 0;
577 
         }
578 
 
579 
 
580 
         //------------------------------------------------------------------------
581 
         // initialize bbTab
582 
         //------------------------------------------------------------------------
583 
         bbTab[0] = 0;
584 
         bbTab[1] = 1;
585 
         for (ii=2;ii<bitSymbol;ii++){
586 
            bbTab[ii] = 0;
587 
         }
588 
 
589 
 
590 
         for(ii=1; ii<(coeffTab[zz]+1); ii++){
591 
 
592 
            //------------------------------------------------------------------------
593 
            //- ppTab = ttTab * bbTab
594 
            //------------------------------------------------------------------------
595 
            RsGfMultiplier(ppTab, ttTab, bbTab, PrimPoly, bitSymbol);
596 
 
597 
            //------------------------------------------------------------------------
598 
            //- reassign ttTab
599 
            //------------------------------------------------------------------------
600 
            for (kk=0;kk<bitSymbol;kk++){
601 
               ttTab[kk]        = ppTab[kk];
602 
            }
603 
 
604 
            //------------------------------------------------------------------------
605 
            // write P_OUT[0]
606 
            //------------------------------------------------------------------------
607 
            if (ii==coeffTab[zz]) {
608 
               for (Pidx=0; Pidx<bitSymbol; Pidx++){
609 
                  fprintf(OutFileDecodeChien, "   assign lambdaIni_%d [%d] =", zz,Pidx);
610 
                  init = 0;
611 
 
612 
                  for (idx2=0; idx2<bitSymbol;idx2++){
613 
                     bidon [idx2] = 0;
614 
                  }
615 
                  for (idx1=0; idx1<mmTabSize;idx1++){
616 
                       tempNum = PrefTab [Pidx*mmTabSize+idx1];
617 
                     if (tempNum == 1) {
618 
                        //------------------------------------------------------------------------
619 
                        // search
620 
                        //------------------------------------------------------------------------
621 
                        for (idx2=0; idx2<bitSymbol;idx2++){
622 
                           tempNum = MrefTab[idx1*bitSymbol+idx2];
623 
                           if ((tempNum > 0) && (ttTab[tempNum-1] == 1)) {
624 
                              if  (bidon [idx2] == 0) {
625 
                                 bidon [idx2] = 1;
626 
                              }
627 
                              else {
628 
                                 bidon [idx2] = 0;
629 
                              }
630 
                           }
631 
                        }
632 
                     }
633 
                  }
634 
                  //------------------------------------------------------------------------
635 
                  // printf
636 
                  //------------------------------------------------------------------------
637 
                  for (idx2=0; idx2<bitSymbol; idx2++){
638 
                     if (bidon[idx2] == 1) {
639 
                        if (init == 0) {
640 
                           fprintf(OutFileDecodeChien, " lambdaIn_%d[%d]", zz,idx2);
641 
                           init = 1;
642 
                        }
643 
                        else {
644 
                           fprintf(OutFileDecodeChien, " ^ lambdaIn_%d[%d]", zz,idx2);
645 
                        }
646 
                     }
647 
                  }
648 
                  fprintf(OutFileDecodeChien, ";\n");
649 
               }
650 
            }
651 
         }
652 
      }
653 
   }
654 
   fprintf(OutFileDecodeChien, "\n\n\n");
655 
 
656 
 
657 
   //------------------------------------------------------------------------
658 
   //- LAMBDA_NEW = CHIEN_COEFF_LN * LAMBDA_REG
659 
   //------------------------------------------------------------------------
660 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
661 
   fprintf(OutFileDecodeChien, "   //- lambdaNew\n");
662 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
663 
//   for (ii=0;ii<syndromeLength;ii++){
664 
   for (ii=0;ii<lambdaPointer;ii++){
665 
      fprintf(OutFileDecodeChien, "   reg  [%d:0]   lambdaReg_%d;\n",bitSymbol-1, ii);
666 
   }
667 
 
668 
 
669 
//   for (ii=0;ii<syndromeLength;ii++){
670 
   for (ii=0;ii<lambdaPointer;ii++){
671 
      fprintf(OutFileDecodeChien, "   wire [%d:0]   lambdaUp_%d;\n",bitSymbol-1,ii);
672 
   }
673 
   fprintf(OutFileDecodeChien, "\n\n");
674 
 
675 
 
676 
//   for (zz=0;zz<syndromeLength;zz++){
677 
   for (zz=0;zz<lambdaPointer;zz++){
678 
      if (zz ==0) {
679 
         for (kk=0;kk<bitSymbol;kk++){
680 
            fprintf(OutFileDecodeChien, "   assign lambdaUp_%d [%d] = lambdaReg_%d[%d];\n", zz, kk, zz, kk);
681 
         }
682 
      }else{
683 
         //------------------------------------------------------------------------
684 
         //- ttTab initialize
685 
         //------------------------------------------------------------------------
686 
         ttTab[0] = 1;
687 
         for (kk=1;kk<bitSymbol;kk++){
688 
            ttTab[kk] = 0;
689 
         }
690 
 
691 
 
692 
         //------------------------------------------------------------------------
693 
         //- bbTab initialize
694 
         //------------------------------------------------------------------------
695 
         bbTab[0] = 0;
696 
         bbTab[1] = 1;
697 
         for (kk=2;kk<bitSymbol;kk++){
698 
            bbTab[kk] = 0;
699 
         }
700 
 
701 
 
702 
         for(ii=1; ii<(zz+1); ii++){
703 
            //------------------------------------------------------------------------
704 
            //- ppTab = ttTab * bbTab
705 
            //------------------------------------------------------------------------
706 
            RsGfMultiplier(ppTab, ttTab, bbTab, PrimPoly, bitSymbol);
707 
 
708 
            //------------------------------------------------------------------------
709 
            // reassign ttTab
710 
            //------------------------------------------------------------------------
711 
            for (kk=0;kk<bitSymbol;kk++){
712 
               ttTab[kk]        = ppTab[kk];
713 
            }
714 
 
715 
            //------------------------------------------------------------------------
716 
            // write P_OUT[0]
717 
            //------------------------------------------------------------------------
718 
            if (ii==zz) {
719 
               for (Pidx=0; Pidx<bitSymbol; Pidx++){
720 
                  fprintf(OutFileDecodeChien, "   assign lambdaUp_%d [%d] =", zz,Pidx);
721 
                  init = 0;
722 
 
723 
                  for (idx2=0; idx2<bitSymbol;idx2++){
724 
                     bidon [idx2] = 0;
725 
                  }
726 
                  for (idx1=0; idx1<mmTabSize;idx1++){
727 
                     tempNum = PrefTab [Pidx*mmTabSize+idx1];
728 
                     if (tempNum == 1) {
729 
                        //------------------------------------------------------------------------
730 
                        // search
731 
                        //------------------------------------------------------------------------
732 
                        for (idx2=0; idx2<bitSymbol;idx2++){
733 
                           tempNum = MrefTab[idx1*bitSymbol+idx2];
734 
                           if ((tempNum > 0) && (ttTab[tempNum-1] == 1)) {
735 
                              if  (bidon [idx2] == 0) {
736 
                                 bidon [idx2] = 1;
737 
                              }
738 
                              else {
739 
                                 bidon [idx2] = 0;
740 
                              }
741 
                           }
742 
                        }
743 
                     }
744 
                  }
745 
                  //------------------------------------------------------------------------
746 
                  // printf
747 
                  //------------------------------------------------------------------------
748 
                  for (idx2=0; idx2<bitSymbol; idx2++){
749 
                     if (bidon[idx2] == 1) {
750 
                        if (init == 0) {
751 
                           fprintf(OutFileDecodeChien, " lambdaReg_%d[%d]", zz,idx2);
752 
                           init = 1;
753 
                        }
754 
                        else {
755 
                           fprintf(OutFileDecodeChien, " ^ lambdaReg_%d[%d]", zz,idx2);
756 
                        }
757 
                     }
758 
                  }
759 
                  fprintf(OutFileDecodeChien, ";\n");
760 
               }
761 
            }
762 
         }
763 
      }
764 
   }
765 
   fprintf(OutFileDecodeChien, "\n\n\n");
766 
 
767 
 
768 
   //------------------------------------------------------------------------
769 
   // + lambdaReg_0,...,lambdaReg_
770 
   //- registers
771 
   //------------------------------------------------------------------------
772 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
773 
   fprintf(OutFileDecodeChien, "   // + lambdaReg_0,...,lambdaReg_%d\n", lambdaPointer-1);
774 
   fprintf(OutFileDecodeChien, "   //- registers\n");
775 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
776 
   fprintf(OutFileDecodeChien, "   always @(posedge CLK or negedge RESET) begin\n");
777 
   fprintf(OutFileDecodeChien, "      if (~RESET) begin\n");
778 
 
779 
//   for (ii=0;ii<syndromeLength;ii++){
780 
   for (ii=0;ii<lambdaPointer;ii++){
781 
      if (ii < 10){
782 
         fprintf(OutFileDecodeChien, "         lambdaReg_%d [%d:0]  <= %d'd0;\n",ii, bitSymbol-1,bitSymbol);
783 
      }else{
784 
         fprintf(OutFileDecodeChien, "         lambdaReg_%d [%d:0] <=  %d'd0;\n",ii,bitSymbol-1,bitSymbol);
785 
      }
786 
   }
787 
 
788 
   fprintf(OutFileDecodeChien, "      end\n");
789 
   fprintf(OutFileDecodeChien, "      else if (enable == 1'b1) begin\n");
790 
   fprintf(OutFileDecodeChien, "         if (sync == 1'b1) begin\n");
791 
 
792 
//   for (ii=0;ii<syndromeLength;ii++){
793 
   for (ii=0;ii<lambdaPointer;ii++){
794 
      if (ii < 10){
795 
         fprintf(OutFileDecodeChien, "            lambdaReg_%d [%d:0]  <= lambdaIni_%d [%d:0];\n",ii,bitSymbol-1,ii,bitSymbol-1);
796 
      }else{
797 
         fprintf(OutFileDecodeChien, "            lambdaReg_%d [%d:0] <= lambdaIni_%d [%d:0];\n",ii,bitSymbol-1,ii,bitSymbol-1);
798 
      }
799 
   }
800 
 
801 
   fprintf(OutFileDecodeChien, "        end\n");
802 
   fprintf(OutFileDecodeChien, "        else begin\n");
803 
 
804 
//   for (ii=0;ii<syndromeLength;ii++){
805 
   for (ii=0;ii<lambdaPointer;ii++){
806 
      if (ii < 10){
807 
         fprintf(OutFileDecodeChien, "           lambdaReg_%d [%d:0]  <= lambdaUp_%d [%d:0];\n",ii,bitSymbol-1,ii,bitSymbol-1);
808 
      }else{
809 
         fprintf(OutFileDecodeChien, "           lambdaReg_%d [%d:0] <= lambdaUp_%d [%d:0];\n",ii,bitSymbol-1,ii,bitSymbol-1);
810 
      }
811 
   }
812 
 
813 
   fprintf(OutFileDecodeChien, "         end\n");
814 
   fprintf(OutFileDecodeChien, "      end\n");
815 
   fprintf(OutFileDecodeChien, "   end\n");
816 
   fprintf(OutFileDecodeChien, "\n\n\n");
817 
 
818 
 
819 
 
820 
   //------------------------------------------------------------------------
821 
   //- OMEGA_INI = CHIEN_COEFF_OI * OMEGA_IN
822 
   //------------------------------------------------------------------------
823 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
824 
   fprintf(OutFileDecodeChien, "   //- omegaIni\n");
825 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
826 
 
827 
//   for (ii=0;ii<syndromeLength;ii++){
828 
   for (ii=0;ii<omegaPointer;ii++){
829 
      fprintf(OutFileDecodeChien, "   wire [%d:0]  omegaIni_%d;\n",bitSymbol-1,ii);
830 
   }
831 
   fprintf(OutFileDecodeChien, "\n\n");
832 
 
833 
//   for (zz=0;zz<syndromeLength;zz++){
834 
   for (zz=0;zz<omegaPointer;zz++){
835 
      if (coeffTab[zz] ==0) {
836 
         for (kk=0;kk<bitSymbol;kk++){
837 
            fprintf(OutFileDecodeChien, "   assign omegaIni_%d [%d] = omegaIn_%d[%d];\n", zz, kk,zz, kk);
838 
         }
839 
      }else{
840 
         //------------------------------------------------------------------------
841 
         //- ttTab initialize
842 
         //------------------------------------------------------------------------
843 
         ttTab[0] = 1;
844 
         for (kk=1;kk<bitSymbol;kk++){
845 
            ttTab[kk] = 0;
846 
         }
847 
 
848 
         //------------------------------------------------------------------------
849 
         //- bbTab initialize
850 
         //------------------------------------------------------------------------
851 
         bbTab[0] = 0;
852 
         bbTab[1] = 1;
853 
         for (kk=2;kk<bitSymbol;kk++){
854 
            bbTab[kk] = 0;
855 
         }
856 
 
857 
         //------------------------------------------------------------------------
858 
         //------------------------------------------------------------------------
859 
         for(ii=1; ii<(coeffTab[zz]+1); ii++){
860 
 
861 
            //------------------------------------------------------------------------
862 
            //- ppTab = ttTab * bbTab
863 
            //------------------------------------------------------------------------
864 
            RsGfMultiplier(ppTab, ttTab, bbTab, PrimPoly, bitSymbol);
865 
 
866 
            //------------------------------------------------------------------------
867 
            // reassign ttTab
868 
            //------------------------------------------------------------------------
869 
            for (kk=0;kk<bitSymbol;kk++){
870 
               ttTab[kk]        = ppTab[kk];
871 
            }
872 
 
873 
 
874 
            //------------------------------------------------------------------------
875 
            // write P_OUT[0]
876 
            //------------------------------------------------------------------------
877 
            if (ii==coeffTab[zz]) {
878 
               for (Pidx=0; Pidx<bitSymbol; Pidx++){
879 
                  fprintf(OutFileDecodeChien, "   assign omegaIni_%d [%d] =", zz,Pidx);
880 
                  init = 0;
881 
 
882 
                  for (idx2=0; idx2<bitSymbol;idx2++){
883 
                     bidon [idx2] = 0;
884 
                  }
885 
 
886 
                  for (idx1=0; idx1<mmTabSize;idx1++){
887 
                     tempNum = PrefTab [Pidx*mmTabSize+idx1];
888 
                     if (tempNum == 1) {
889 
                        //------------------------------------------------------------------------
890 
                        // search
891 
                        //------------------------------------------------------------------------
892 
                        for (idx2=0; idx2<bitSymbol;idx2++){
893 
                           tempNum = MrefTab[idx1*bitSymbol+idx2];
894 
                           if ((tempNum > 0) && (ttTab[tempNum-1] == 1)) {
895 
                              if  (bidon [idx2] == 0) {
896 
                                 bidon [idx2] = 1;
897 
                              }
898 
                              else {
899 
                                 bidon [idx2] = 0;
900 
                              }
901 
                           }
902 
                        }
903 
                     }
904 
                  }
905 
                  //------------------------------------------------------------------------
906 
                  // printf
907 
                  //------------------------------------------------------------------------
908 
                  for (idx2=0; idx2<bitSymbol; idx2++){
909 
                     if (bidon[idx2] == 1) {
910 
                        if (init == 0) {
911 
                           fprintf(OutFileDecodeChien, " omegaIn_%d[%d]", zz,idx2);
912 
                           init = 1;
913 
                        }
914 
                        else {
915 
                           fprintf(OutFileDecodeChien, " ^ omegaIn_%d[%d]", zz,idx2);
916 
                        }
917 
                     }
918 
                  }
919 
                  fprintf(OutFileDecodeChien, ";\n");
920 
               }
921 
            }
922 
         }
923 
      }
924 
   }
925 
   fprintf(OutFileDecodeChien, "\n\n\n");
926 
 
927 
 
928 
   //------------------------------------------------------------------------
929 
   //- OMEGA_NEW = CHIEN_COEFF_ON * OMEGA_REG
930 
   //------------------------------------------------------------------------
931 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
932 
   fprintf(OutFileDecodeChien, "   //- omegaNew\n");
933 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
934 
 
935 
//   for (ii=0;ii<syndromeLength;ii++){
936 
   for (ii=0;ii<omegaPointer;ii++){
937 
      fprintf(OutFileDecodeChien, "   reg [%d:0]  omegaReg_%d;\n", bitSymbol -1,ii);
938 
   }
939 
//   for (ii=0;ii<syndromeLength;ii++){
940 
   for (ii=0;ii<omegaPointer;ii++){
941 
      fprintf(OutFileDecodeChien, "   wire [%d:0]  omegaNew_%d;\n", bitSymbol -1,ii);
942 
   }
943 
   fprintf(OutFileDecodeChien, "\n\n");
944 
//   for (zz=0;zz<syndromeLength;zz++){
945 
   for (zz=0;zz<omegaPointer;zz++){
946 
      if (zz ==0) {
947 
         for (kk=0;kk<bitSymbol;kk++){
948 
            fprintf(OutFileDecodeChien, "   assign omegaNew_%d [%d] = omegaReg_%d[%d];\n", zz, kk, zz, kk);
949 
         }
950 
      }else{
951 
         //------------------------------------------------------------------------
952 
         // initialize ttTab
953 
         //------------------------------------------------------------------------
954 
         ttTab[0] = 1;
955 
         for (kk=1;kk<bitSymbol;kk++){
956 
            ttTab[kk] = 0;
957 
         }
958 
 
959 
         //------------------------------------------------------------------------
960 
         // initialize bbTab
961 
         //------------------------------------------------------------------------
962 
         bbTab[0] = 0;
963 
         bbTab[1] = 1;
964 
         for (kk=2;kk<bitSymbol;kk++){
965 
            bbTab[kk] = 0;
966 
         }
967 
 
968 
 
969 
         //------------------------------------------------------------------------
970 
         //------------------------------------------------------------------------
971 
         for(ii=1; ii<(zz+1); ii++){
972 
 
973 
            //------------------------------------------------------------------------
974 
            //- ppTab = ttTab * bbTab
975 
            //------------------------------------------------------------------------
976 
            RsGfMultiplier(ppTab, ttTab, bbTab, PrimPoly, bitSymbol);
977 
 
978 
            //------------------------------------------------------------------------
979 
            //- reassign ttTab
980 
            //------------------------------------------------------------------------
981 
            for (kk=0;kk<bitSymbol;kk++){
982 
               ttTab[kk]        = ppTab[kk];
983 
            }
984 
 
985 
 
986 
            //------------------------------------------------------------------------
987 
            // write P_OUT[0]
988 
            //------------------------------------------------------------------------
989 
            if (ii==zz) {
990 
               for (Pidx=0; Pidx<bitSymbol; Pidx++){
991 
                  fprintf(OutFileDecodeChien, "   assign omegaNew_%d [%d] =", zz,Pidx);
992 
                  init = 0;
993 
 
994 
                  for (idx2=0; idx2<bitSymbol;idx2++){
995 
                     bidon [idx2] = 0;
996 
                  }
997 
                  for (idx1=0; idx1<mmTabSize;idx1++){
998 
                     tempNum = PrefTab [Pidx*mmTabSize+idx1];
999 
                     if (tempNum == 1) {
1000 
                        //------------------------------------------------------------------------
1001 
                        // search
1002 
                        //------------------------------------------------------------------------
1003 
                        for (idx2=0; idx2<bitSymbol;idx2++){
1004 
                           tempNum = MrefTab[idx1*bitSymbol+idx2];
1005 
                           if ((tempNum > 0) && (ttTab[tempNum-1] == 1)) {
1006 
                              if  (bidon [idx2] == 0) {
1007 
                                 bidon [idx2] = 1;
1008 
                              }
1009 
                              else {
1010 
                                 bidon [idx2] = 0;
1011 
                              }
1012 
                           }
1013 
                        }
1014 
                     }
1015 
                  }
1016 
                  //------------------------------------------------------------------------
1017 
                  // printf
1018 
                  //------------------------------------------------------------------------
1019 
                  for (idx2=0; idx2<bitSymbol; idx2++){
1020 
                     if (bidon[idx2] == 1) {
1021 
                        if (init == 0) {
1022 
                           fprintf(OutFileDecodeChien, " omegaReg_%d[%d]", zz,idx2);
1023 
                           init = 1;
1024 
                        }
1025 
                        else {
1026 
                           fprintf(OutFileDecodeChien, " ^ omegaReg_%d[%d]", zz,idx2);
1027 
                        }
1028 
                     }
1029 
                  }
1030 
                  fprintf(OutFileDecodeChien, ";\n");
1031 
               }
1032 
            }
1033 
         }
1034 
      }
1035 
   }
1036 
   fprintf(OutFileDecodeChien, "\n\n\n");
1037 
 
1038 
 
1039 
 
1040 
   //------------------------------------------------------------------
1041 
   // + omegaReg_0,..., omegaReg_19
1042 
   //- registers
1043 
   //------------------------------------------------------------------
1044 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------\n");
1045 
   fprintf(OutFileDecodeChien, "   // + omegaReg_0,..., omegaReg_%d\n", omegaPointer-1);
1046 
   fprintf(OutFileDecodeChien, "   //- registers\n");
1047 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------\n");
1048 
   fprintf(OutFileDecodeChien, "   always @(posedge CLK or negedge RESET) begin\n");
1049 
   fprintf(OutFileDecodeChien, "      if (~RESET) begin\n");
1050 
//   for (ii=0;ii<syndromeLength;ii++){
1051 
   for (ii=0;ii<omegaPointer;ii++){
1052 
      if (ii < 10) {
1053 
         fprintf(OutFileDecodeChien, "         omegaReg_%d [%d:0]  <= %d'd0;\n",ii, bitSymbol-1, bitSymbol);
1054 
      }else{
1055 
         fprintf(OutFileDecodeChien, "         omegaReg_%d [%d:0] <= %d'd0;\n",ii, bitSymbol-1, bitSymbol);
1056 
      }
1057 
   }
1058 
 
1059 
   fprintf(OutFileDecodeChien, "      end\n");
1060 
   fprintf(OutFileDecodeChien, "      else if (enable == 1'b1) begin\n");
1061 
   fprintf(OutFileDecodeChien, "         if (sync == 1'b1) begin\n");
1062 
 
1063 
 
1064 
//   for (ii=0;ii<syndromeLength;ii++){
1065 
   for (ii=0;ii<omegaPointer;ii++){
1066 
      if (ii < 10) {
1067 
         fprintf(OutFileDecodeChien, "            omegaReg_%d [%d:0]  <= omegaIni_%d [%d:0];\n",ii, bitSymbol-1,ii, bitSymbol-1);
1068 
      }else{
1069 
         fprintf(OutFileDecodeChien, "            omegaReg_%d [%d:0] <= omegaIni_%d [%d:0];\n",ii, bitSymbol-1,ii, bitSymbol-1);
1070 
      }
1071 
   }
1072 
 
1073 
   fprintf(OutFileDecodeChien, "         end\n");
1074 
   fprintf(OutFileDecodeChien, "         else begin\n");
1075 
 
1076 
//   for (ii=0;ii<syndromeLength;ii++){
1077 
   for (ii=0;ii<omegaPointer;ii++){
1078 
      if (ii < 10){
1079 
         fprintf(OutFileDecodeChien, "            omegaReg_%d [%d:0]  <= omegaNew_%d [%d:0];\n",ii, bitSymbol-1,ii, bitSymbol-1);
1080 
      }else{
1081 
         fprintf(OutFileDecodeChien, "            omegaReg_%d [%d:0] <= omegaNew_%d [%d:0];\n",ii, bitSymbol-1,ii, bitSymbol-1);
1082 
      }
1083 
   }
1084 
   fprintf(OutFileDecodeChien, "         end\n");
1085 
   fprintf(OutFileDecodeChien, "      end\n");
1086 
   fprintf(OutFileDecodeChien, "   end\n");
1087 
   fprintf(OutFileDecodeChien, "\n\n\n");
1088 
 
1089 
 
1090 
   //------------------------------------------------------------------------
1091 
   //- EPSILON_INI = CHIEN_COEFF_EI * EPSILON_IN
1092 
   //------------------------------------------------------------------------
1093 
   if (ErasureOption == 1) {
1094 
      fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1095 
      fprintf(OutFileDecodeChien, "   //- epsilonIni\n");
1096 
      fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1097 
      for (ii=0;ii<(syndromeLength+1);ii++){
1098 
         fprintf(OutFileDecodeChien, "   wire [%d:0]  epsilonIni_%d;\n", bitSymbol-1,ii);
1099 
      }
1100 
      fprintf(OutFileDecodeChien, "\n\n");
1101 
      for (zz=0;zz<(syndromeLength+1);zz++){
1102 
         if (coeffTab[zz] ==0) {
1103 
            for (kk=0;kk<bitSymbol;kk++){
1104 
               fprintf(OutFileDecodeChien, "   assign epsilonIni_%d [%d] = epsilonIn_%d[%d];\n", zz, kk, zz, kk);
1105 
            }
1106 
         }else{
1107 
            //------------------------------------------------------------------------
1108 
            //- initialize ttTab
1109 
            //------------------------------------------------------------------------
1110 
            ttTab[0] = 1;
1111 
            for (kk=1;kk<bitSymbol;kk++){
1112 
               ttTab[kk] = 0;
1113 
            }
1114 
 
1115 
 
1116 
            //------------------------------------------------------------------------
1117 
            //- initialize bbTab
1118 
            //------------------------------------------------------------------------
1119 
            bbTab[0] = 0;
1120 
            bbTab[1] = 1;
1121 
            for (kk=2;kk<bitSymbol;kk++){
1122 
               bbTab[kk] = 0;
1123 
            }
1124 
 
1125 
 
1126 
            //------------------------------------------------------------------------
1127 
            //------------------------------------------------------------------------
1128 
            for(ii=1; ii<(coeffTab[zz]+1); ii++){
1129 
               //------------------------------------------------------------------------
1130 
               //- ppTab = ttTab * bbTab
1131 
               //------------------------------------------------------------------------
1132 
               RsGfMultiplier(ppTab, ttTab, bbTab, PrimPoly, bitSymbol);
1133 
 
1134 
 
1135 
               //------------------------------------------------------------------------
1136 
               // reassign ttTab = ppTab
1137 
               //------------------------------------------------------------------------
1138 
               for (kk=0;kk<bitSymbol;kk++){
1139 
                  ttTab[kk]     = ppTab[kk];
1140 
               }
1141 
 
1142 
 
1143 
               //------------------------------------------------------------------------
1144 
               // write P_OUT[0]
1145 
               //------------------------------------------------------------------------
1146 
               if (ii==coeffTab[zz]) {
1147 
                  for (Pidx=0; Pidx<bitSymbol; Pidx++){
1148 
                     fprintf(OutFileDecodeChien, "   assign epsilonIni_%d [%d] =", zz,Pidx);
1149 
                     init = 0;
1150 
 
1151 
                     for (idx2=0; idx2<bitSymbol;idx2++){
1152 
                        bidon [idx2] = 0;
1153 
                     }
1154 
                     for (idx1=0; idx1<mmTabSize;idx1++){
1155 
                        tempNum = PrefTab [Pidx*mmTabSize+idx1];
1156 
                        if (tempNum == 1) {
1157 
                           //------------------------------------------------------------------------
1158 
                           // search
1159 
                           //------------------------------------------------------------------------
1160 
                           for (idx2=0; idx2<bitSymbol;idx2++){
1161 
                              tempNum = MrefTab[idx1*bitSymbol+idx2];
1162 
                              if ((tempNum > 0) && (ttTab[tempNum-1] == 1)) {
1163 
                                 if  (bidon [idx2] == 0) {
1164 
                                    bidon [idx2] = 1;
1165 
                                 }else{
1166 
                                    bidon [idx2] = 0;
1167 
                                 }
1168 
                              }
1169 
                           }
1170 
                        }
1171 
                     }
1172 
                     //------------------------------------------------------------------------
1173 
                     // printf
1174 
                     //------------------------------------------------------------------------
1175 
                     for (idx2=0; idx2<bitSymbol; idx2++){
1176 
                        if (bidon[idx2] == 1) {
1177 
                           if (init == 0) {
1178 
                              fprintf(OutFileDecodeChien, " epsilonIn_%d[%d]", zz,idx2);
1179 
                              init = 1;
1180 
                           }else{
1181 
                              fprintf(OutFileDecodeChien, " ^ epsilonIn_%d[%d]", zz,idx2);
1182 
                           }
1183 
                        }
1184 
                     }
1185 
                     fprintf(OutFileDecodeChien, ";\n");
1186 
                  }
1187 
               }
1188 
            }
1189 
         }
1190 
      }
1191 
      fprintf(OutFileDecodeChien, "\n\n\n");
1192 
   }
1193 
 
1194 
 
1195 
   //------------------------------------------------------------------------
1196 
   //- EPSILON_NEW = CHIEN_COEFF_EN * EPSILON_REG
1197 
   //------------------------------------------------------------------------
1198 
   if (ErasureOption == 1) {
1199 
      fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1200 
      fprintf(OutFileDecodeChien, "   //- epsilonNew\n");
1201 
      fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1202 
      for (ii=0; ii<(syndromeLength+1);ii++){
1203 
        fprintf(OutFileDecodeChien, "   reg  [%d:0]  epsilonReg_%d;\n", bitSymbol-1,ii);
1204 
      }
1205 
      for (ii=0;ii<(syndromeLength+1);ii++){
1206 
         fprintf(OutFileDecodeChien, "   wire [%d:0]  epsilonNew_%d;\n", bitSymbol-1, ii);
1207 
      }
1208 
      fprintf(OutFileDecodeChien, "\n\n");
1209 
      for (zz=0;zz<(syndromeLength+1);zz++){
1210 
         if (zz ==0) {
1211 
            for (kk=0;kk<bitSymbol;kk++){
1212 
               fprintf(OutFileDecodeChien, "   assign epsilonNew_%d [%d] = epsilonReg_%d[%d];\n", zz, kk, zz, kk);
1213 
            }
1214 
         }else{
1215 
            //------------------------------------------------------------------------
1216 
            // initialize ttTab
1217 
            //------------------------------------------------------------------------
1218 
            ttTab[0] = 1;
1219 
            for (kk=1;kk<bitSymbol;kk++){
1220 
               ttTab[kk] = 0;
1221 
            }
1222 
 
1223 
            //------------------------------------------------------------------------
1224 
            // initialize bbTab
1225 
            //------------------------------------------------------------------------
1226 
            bbTab[0] = 0;
1227 
            bbTab[1] = 1;
1228 
            for (kk=2;kk<bitSymbol;kk++){
1229 
               bbTab[kk] = 0;
1230 
            }
1231 
 
1232 
            //------------------------------------------------------------------------
1233 
            //------------------------------------------------------------------------
1234 
            for(ii=1; ii<(zz+1); ii++){
1235 
 
1236 
               //------------------------------------------------------------------------
1237 
               //- ppTab = ttTab * bbTab
1238 
               //------------------------------------------------------------------------
1239 
               RsGfMultiplier(ppTab, ttTab, bbTab, PrimPoly, bitSymbol);
1240 
 
1241 
               //------------------------------------------------------------------------
1242 
               // reassign ttTab
1243 
               //------------------------------------------------------------------------
1244 
               for (kk=0;kk<bitSymbol;kk++){
1245 
                  ttTab[kk]     = ppTab[kk];
1246 
               }
1247 
 
1248 
 
1249 
               //------------------------------------------------------------------------
1250 
               // write P_OUT[0]
1251 
               //------------------------------------------------------------------------
1252 
               if (ii==zz) {
1253 
                  for (Pidx=0; Pidx<bitSymbol; Pidx++){
1254 
                     fprintf(OutFileDecodeChien, "   assign epsilonNew_%d [%d] =", zz,Pidx);
1255 
                     init = 0;
1256 
 
1257 
                     for (idx2=0; idx2<bitSymbol;idx2++){
1258 
                        bidon [idx2] = 0;
1259 
                     }
1260 
                     for (idx1=0; idx1<mmTabSize;idx1++){
1261 
                        tempNum = PrefTab [Pidx*mmTabSize+idx1];
1262 
                        if (tempNum == 1) {
1263 
                           //------------------------------------------------------------------------
1264 
                           // search
1265 
                           //------------------------------------------------------------------------
1266 
                           for (idx2=0; idx2<bitSymbol;idx2++){
1267 
                              tempNum = MrefTab[idx1*bitSymbol+idx2];
1268 
                              if ((tempNum > 0) && (ttTab[tempNum-1] == 1)) {
1269 
                                 if  (bidon [idx2] == 0) {
1270 
                                    bidon [idx2] = 1;
1271 
                                 }else{
1272 
                                    bidon [idx2] = 0;
1273 
                                 }
1274 
                              }
1275 
                           }
1276 
                        }
1277 
                     }
1278 
                     //------------------------------------------------------------------------
1279 
                     // printf
1280 
                     //------------------------------------------------------------------------
1281 
                     for (idx2=0; idx2<bitSymbol; idx2++){
1282 
                        if (bidon[idx2] == 1) {
1283 
                           if (init == 0) {
1284 
                              fprintf(OutFileDecodeChien, " epsilonReg_%d[%d]", zz,idx2);
1285 
                              init = 1;
1286 
                           }else{
1287 
                              fprintf(OutFileDecodeChien, " ^ epsilonReg_%d[%d]", zz,idx2);
1288 
                           }
1289 
                        }
1290 
                     }
1291 
                     fprintf(OutFileDecodeChien, ";\n");
1292 
                  }
1293 
               }
1294 
            }
1295 
         }
1296 
      }
1297 
      fprintf(OutFileDecodeChien, "\n\n\n");
1298 
   }
1299 
 
1300 
 
1301 
   //------------------------------------------------------------------
1302 
   // + epsilonReg_0,..., epsilonReg_20
1303 
   //- registers
1304 
   //------------------------------------------------------------------
1305 
   if (ErasureOption == 1) {
1306 
      fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------\n");
1307 
      fprintf(OutFileDecodeChien, "   // + epsilonReg_0,..., epsilonReg_%d\n", syndromeLength);
1308 
      fprintf(OutFileDecodeChien, "   //- registers\n");
1309 
      fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------\n");
1310 
      fprintf(OutFileDecodeChien, "   always @(posedge CLK or negedge RESET) begin\n");
1311 
      fprintf(OutFileDecodeChien, "      if (~RESET) begin\n");
1312 
      for (ii=0;ii<(syndromeLength+1);ii++){
1313 
         if (ii<10){
1314 
            fprintf(OutFileDecodeChien, "         epsilonReg_%d [%d:0]  <= %d'd0;\n",ii, bitSymbol-1,bitSymbol);
1315 
         }else{
1316 
            fprintf(OutFileDecodeChien, "         epsilonReg_%d [%d:0] <= %d'd0;\n",ii, bitSymbol-1,bitSymbol);
1317 
         }
1318 
      }
1319 
 
1320 
      fprintf(OutFileDecodeChien, "      end\n");
1321 
      fprintf(OutFileDecodeChien, "      else if (enable == 1'b1) begin\n");
1322 
      fprintf(OutFileDecodeChien, "         if (sync == 1'b1) begin\n");
1323 
      for (ii=0;ii<(syndromeLength+1);ii++){
1324 
         if (ii<10){
1325 
            fprintf(OutFileDecodeChien, "            epsilonReg_%d [%d:0]  <= epsilonIni_%d [%d:0];\n",ii, bitSymbol-1,ii, bitSymbol-1);
1326 
         }else{
1327 
            fprintf(OutFileDecodeChien, "            epsilonReg_%d [%d:0] <= epsilonIni_%d [%d:0];\n",ii, bitSymbol-1,ii, bitSymbol-1);
1328 
         }
1329 
      }
1330 
 
1331 
      fprintf(OutFileDecodeChien, "         end\n");
1332 
      fprintf(OutFileDecodeChien, "         else begin\n");
1333 
 
1334 
      for (ii=0;ii<(syndromeLength+1);ii++){
1335 
         if (ii<10) {
1336 
            fprintf(OutFileDecodeChien, "            epsilonReg_%d [%d:0]  <= epsilonNew_%d [%d:0];\n",ii, bitSymbol-1,ii, bitSymbol-1);
1337 
         }else{
1338 
            fprintf(OutFileDecodeChien, "            epsilonReg_%d [%d:0] <= epsilonNew_%d [%d:0];\n",ii, bitSymbol-1,ii, bitSymbol-1);
1339 
         }
1340 
      }
1341 
 
1342 
      fprintf(OutFileDecodeChien, "         end\n");
1343 
      fprintf(OutFileDecodeChien, "      end\n");
1344 
      fprintf(OutFileDecodeChien, "   end\n");
1345 
      fprintf(OutFileDecodeChien, "\n\n\n");
1346 
   }
1347 
 
1348 
 
1349 
   //------------------------------------------------------------------------
1350 
   // Generate Error Pattern: Lambda
1351 
   //------------------------------------------------------------------------
1352 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1353 
   fprintf(OutFileDecodeChien, "   // Generate Error Pattern: Lambda\n");
1354 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1355 
 
1356 
   fprintf(OutFileDecodeChien, "   always @( lambdaReg_0");
1357 
 
1358 
//   for (ii=1;ii<syndromeLength;ii++){
1359 
   for (ii=1;ii<lambdaPointer;ii++){
1360 
      fprintf(OutFileDecodeChien, "   or lambdaReg_%d", ii);
1361 
   }
1362 
   fprintf(OutFileDecodeChien, " ) begin\n");
1363 
 
1364 
   if (ErasureOption == 1){
1365 
      fprintf(OutFileDecodeChien, "      lambdaSum [%d:0] = lambdaReg_0[%d:0]", bitSymbol-1, bitSymbol-1);
1366 
      for (ii=1;ii<syndromeLength;ii++){
1367 
         fprintf(OutFileDecodeChien, "   ^ lambdaReg_%d[%d:0]",ii, bitSymbol-1);
1368 
      }
1369 
      fprintf(OutFileDecodeChien, ";\n");
1370 
   }
1371 
 
1372 
 
1373 
   fprintf(OutFileDecodeChien, "      lambdaEven [%d:0] = lambdaReg_0[%d:0]", bitSymbol-1, bitSymbol-1);
1374 
//   for (ii=2;ii<(syndromeLength-1);ii=ii+2){
1375 
 
1376 
   if (ErasureOption == 1){
1377 
      for (ii=2;ii<(syndromeLength-1);ii=ii+2){
1378 
         fprintf(OutFileDecodeChien, "   ^ lambdaReg_%d[%d:0]",ii, bitSymbol-1);
1379 
      }
1380 
   }else{
1381 
      for (ii=2;ii<(lambdaPointer+1);ii=ii+2){
1382 
         if (ii < lambdaPointer) {
1383 
            fprintf(OutFileDecodeChien, "   ^ lambdaReg_%d[%d:0]",ii, bitSymbol-1);
1384 
         }
1385 
      }
1386 
   }
1387 
 
1388 
 
1389 
 
1390 
   fprintf(OutFileDecodeChien, ";\n");
1391 
 
1392 
 
1393 
   fprintf(OutFileDecodeChien, "      lambdaOdd [%d:0] =  lambdaReg_1[%d:0]", bitSymbol-1, bitSymbol-1);
1394 
//   for (ii=3;ii<(syndromeLength);ii=ii+2){
1395 
   for (ii=3;ii<(lambdaPointer);ii=ii+2){
1396 
      fprintf(OutFileDecodeChien, "   ^ lambdaReg_%d[%d:0]",ii, bitSymbol-1);
1397 
   }
1398 
   fprintf(OutFileDecodeChien, ";\n");
1399 
   fprintf(OutFileDecodeChien, "   end\n");
1400 
   fprintf(OutFileDecodeChien, "\n\n\n");
1401 
 
1402 
 
1403 
   //------------------------------------------------------------------------
1404 
   // Generate Error Pattern: Omega
1405 
   //------------------------------------------------------------------------
1406 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1407 
   fprintf(OutFileDecodeChien, "   // Generate Error Pattern: Omega\n");
1408 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1409 
 
1410 
   fprintf(OutFileDecodeChien, "   always @( omegaReg_0");
1411 
//   for (ii=1;ii<syndromeLength;ii++){
1412 
   for (ii=1;ii<omegaPointer;ii++){
1413 
      fprintf(OutFileDecodeChien, "   or omegaReg_%d", ii);
1414 
   }
1415 
 
1416 
   fprintf(OutFileDecodeChien, " ) begin\n");
1417 
   fprintf(OutFileDecodeChien, "      omegaSum [%d:0] = omegaReg_0[%d:0]", bitSymbol-1, bitSymbol-1);
1418 
 
1419 
//   for (ii=1;ii<syndromeLength;ii++){
1420 
   for (ii=1;ii<omegaPointer;ii++){
1421 
      fprintf(OutFileDecodeChien, "   ^ omegaReg_%d[%d:0]", ii, bitSymbol-1);
1422 
   }
1423 
 
1424 
   fprintf(OutFileDecodeChien, ";\n");
1425 
   fprintf(OutFileDecodeChien, "   end\n");
1426 
   fprintf(OutFileDecodeChien, "\n\n\n");
1427 
 
1428 
 
1429 
   //------------------------------------------------------------------------
1430 
   // Generate Error Pattern: Epsilon
1431 
   //------------------------------------------------------------------------
1432 
   if (ErasureOption == 1) {
1433 
      fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1434 
      fprintf(OutFileDecodeChien, "   //- Generate Error Pattern: Epsilon\n");
1435 
      fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1436 
      fprintf(OutFileDecodeChien, "   always @( epsilonReg_0");
1437 
      for (ii=1;ii<(syndromeLength+1);ii++){
1438 
         fprintf(OutFileDecodeChien, "   or epsilonReg_%d", ii);
1439 
      }
1440 
      fprintf(OutFileDecodeChien, " ) begin\n");
1441 
      fprintf(OutFileDecodeChien, "      epsilonSum [%d:0] = epsilonReg_0[%d:0]", bitSymbol-1, bitSymbol-1);
1442 
      for (ii=1;ii<(syndromeLength+1);ii++){
1443 
         fprintf(OutFileDecodeChien, "   ^ epsilonReg_%d[%d:0]", ii, bitSymbol-1);
1444 
      }
1445 
      fprintf(OutFileDecodeChien, ";\n");
1446 
      fprintf(OutFileDecodeChien, "      epsilonOdd [%d:0] =  epsilonReg_1[%d:0]", bitSymbol-1, bitSymbol-1);
1447 
      for (ii=3;ii<syndromeLength;ii=ii+2){
1448 
         fprintf(OutFileDecodeChien, "   ^ epsilonReg_%d[%d:0]",ii, bitSymbol-1);
1449 
      }
1450 
      fprintf(OutFileDecodeChien, ";\n");
1451 
      fprintf(OutFileDecodeChien, "   end\n");
1452 
      fprintf(OutFileDecodeChien, "\n\n\n");
1453 
   }
1454 
 
1455 
 
1456 
   //------------------------------------------------------------------------
1457 
   // RsDecodeMult instantiation
1458 
   //------------------------------------------------------------------------
1459 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1460 
   fprintf(OutFileDecodeChien, "   //- RsDecodeMult instantiation, RsDecodeMult_MuldE0 && RsDecodeMult_MuldE1\n");
1461 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1462 
   if (ErasureOption == 1){
1463 
      fprintf(OutFileDecodeChien, "   RsDecodeMult RsDecodeMult_MuldE0 (.A(lambdaOddReg[%d:0]), .B(epsilonSumReg[%d:0]), .P(denomE0[%d:0]));\n", bitSymbol-1, bitSymbol-1, bitSymbol-1);
1464 
   }else{
1465 
      fprintf(OutFileDecodeChien, "   assign denomE0[%d:0] = lambdaOddReg[%d:0];\n", bitSymbol-1, bitSymbol-1);
1466 
   }
1467 
 
1468 
   if (ErasureOption == 1){
1469 
      fprintf(OutFileDecodeChien, "   RsDecodeMult RsDecodeMult_MuldE1 (.A(lambdaSumReg[%d:0]), .B(epsilonOddReg[%d:0]), .P(denomE1[%d:0]));\n", bitSymbol-1, bitSymbol-1, bitSymbol-1);
1470 
   }
1471 
 
1472 
   fprintf(OutFileDecodeChien, "\n\n");
1473 
 
1474 
 
1475 
   //------------------------------------------------------------------------
1476 
   // RsDecodeInv instantiation
1477 
   //------------------------------------------------------------------------
1478 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1479 
   fprintf(OutFileDecodeChien, "   //- RsDecodeInv instantiation, RsDecodeInv_InvE0 && RsDecodeInv_InvE1\n");
1480 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1481 
   fprintf(OutFileDecodeChien, "   RsDecodeInv RsDecodeInv_InvE0 (.B(denomE0Reg[%d:0]), .R(denomE0Inv[%d:0]));\n", bitSymbol-1, bitSymbol-1);
1482 
   if (ErasureOption == 1){
1483 
      fprintf(OutFileDecodeChien, "   RsDecodeInv RsDecodeInv_InvE1 (.B(denomE1Reg[%d:0]), .R(denomE1Inv[%d:0]));\n", bitSymbol-1, bitSymbol-1);
1484 
   }
1485 
 
1486 
   fprintf(OutFileDecodeChien, "\n\n");
1487 
 
1488 
 
1489 
   //------------------------------------------------------------------------
1490 
   // RsDecodeMult instantiation
1491 
   //------------------------------------------------------------------------
1492 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1493 
   fprintf(OutFileDecodeChien, "   //- RsDecodeMult instantiation, RsDecodeMult_MulE0 && RsDecodeMult_MulE1 \n");
1494 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1495 
   fprintf(OutFileDecodeChien, "   RsDecodeMult RsDecodeMult_MulE0 (.A(numeReg2[%d:0]), .B(denomE0InvReg[%d:0]), .P(errorValueE0[%d:0]));\n", bitSymbol-1, bitSymbol-1, bitSymbol-1);
1496 
   if (ErasureOption == 1){
1497 
      fprintf(OutFileDecodeChien, "   RsDecodeMult RsDecodeMult_MulE1 (.A(numeReg2[%d:0]), .B(denomE1InvReg[%d:0]), .P(errorValueE1[%d:0]));\n", bitSymbol-1, bitSymbol-1, bitSymbol-1);
1498 
   }
1499 
 
1500 
   fprintf(OutFileDecodeChien, "\n\n\n\n");
1501 
 
1502 
 
1503 
   //------------------------------------------------------------------------
1504 
   // registers
1505 
   //------------------------------------------------------------------------
1506 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1507 
   if (ErasureOption == 1){
1508 
      fprintf(OutFileDecodeChien, "   // + lambdaSumReg, denomE1Reg, denomE1InvReg, epsilonSumReg, epsilonOddReg\n");
1509 
   }
1510 
   fprintf(OutFileDecodeChien, "   // + lambdaEvenReg, lambdaEvenReg2, lambdaEvenReg3, lambdaOddReg, lambdaOddReg2, lambdaOddReg3, denomE0Reg, denomE0InvReg\n");
1511 
   fprintf(OutFileDecodeChien, "   // + omegaSumReg, numeReg, numeReg2\n");
1512 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1513 
   fprintf(OutFileDecodeChien, "   always @(posedge CLK or negedge RESET) begin\n");
1514 
   fprintf(OutFileDecodeChien, "      if (~RESET) begin\n");
1515 
   if (ErasureOption == 1){
1516 
      fprintf(OutFileDecodeChien, "         lambdaSumReg   [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1517 
   }
1518 
 
1519 
   fprintf(OutFileDecodeChien, "         lambdaEvenReg  [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1520 
   fprintf(OutFileDecodeChien, "         lambdaEvenReg2 [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1521 
   fprintf(OutFileDecodeChien, "         lambdaEvenReg3 [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1522 
   fprintf(OutFileDecodeChien, "         lambdaOddReg   [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1523 
   fprintf(OutFileDecodeChien, "         lambdaOddReg2  [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1524 
   fprintf(OutFileDecodeChien, "         lambdaOddReg3  [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1525 
   fprintf(OutFileDecodeChien, "         denomE0Reg     [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1526 
 
1527 
   if (ErasureOption == 1){
1528 
      fprintf(OutFileDecodeChien, "         denomE1Reg     [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1529 
   }
1530 
   fprintf(OutFileDecodeChien, "         denomE0InvReg  [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1531 
   if (ErasureOption == 1){
1532 
      fprintf(OutFileDecodeChien, "         denomE1InvReg  [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1533 
   }
1534 
   fprintf(OutFileDecodeChien, "         omegaSumReg    [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1535 
   fprintf(OutFileDecodeChien, "         numeReg        [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1536 
   fprintf(OutFileDecodeChien, "         numeReg2       [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1537 
 
1538 
   if (ErasureOption == 1){
1539 
      fprintf(OutFileDecodeChien, "         epsilonSumReg  [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1540 
      fprintf(OutFileDecodeChien, "         epsilonOddReg  [%d:0] <= %d'd0;\n", bitSymbol-1, bitSymbol);
1541 
   }
1542 
 
1543 
   fprintf(OutFileDecodeChien, "      end\n");
1544 
   fprintf(OutFileDecodeChien, "      else if (enable == 1'b1) begin\n");
1545 
   if (ErasureOption == 1){
1546 
      fprintf(OutFileDecodeChien, "         lambdaSumReg   <= lambdaSum;\n");
1547 
   }
1548 
 
1549 
   fprintf(OutFileDecodeChien, "         lambdaEvenReg3 <= lambdaEvenReg2;\n");
1550 
   fprintf(OutFileDecodeChien, "         lambdaEvenReg2 <= lambdaEvenReg;\n");
1551 
   fprintf(OutFileDecodeChien, "         lambdaEvenReg  <= lambdaEven;\n");
1552 
   fprintf(OutFileDecodeChien, "         lambdaOddReg3  <= lambdaOddReg2;\n");
1553 
   fprintf(OutFileDecodeChien, "         lambdaOddReg2  <= lambdaOddReg;\n");
1554 
   fprintf(OutFileDecodeChien, "         lambdaOddReg   <= lambdaOdd;\n");
1555 
   fprintf(OutFileDecodeChien, "         denomE0Reg     <= denomE0;\n");
1556 
   if (ErasureOption == 1){
1557 
      fprintf(OutFileDecodeChien, "         denomE1Reg     <= denomE1;\n");
1558 
   }
1559 
 
1560 
   fprintf(OutFileDecodeChien, "         denomE0InvReg  <= denomE0Inv;\n");
1561 
   if (ErasureOption == 1){
1562 
      fprintf(OutFileDecodeChien, "         denomE1InvReg  <= denomE1Inv;\n");
1563 
   }
1564 
 
1565 
   fprintf(OutFileDecodeChien, "         numeReg2       <= numeReg;\n");
1566 
   fprintf(OutFileDecodeChien, "         numeReg        <= omegaSumReg;\n");
1567 
   fprintf(OutFileDecodeChien, "         omegaSumReg    <= omegaSum;\n");
1568 
   if (ErasureOption == 1){
1569 
      fprintf(OutFileDecodeChien, "         epsilonSumReg  <= epsilonSum;\n");
1570 
      fprintf(OutFileDecodeChien, "         epsilonOddReg  <= epsilonOdd;\n");
1571 
   }
1572 
   fprintf(OutFileDecodeChien, "      end\n");
1573 
   fprintf(OutFileDecodeChien, "   end\n");
1574 
   fprintf(OutFileDecodeChien, "\n\n\n");
1575 
 
1576 
 
1577 
   //------------------------------------------------------------------
1578 
   // + errorOut
1579 
   //-
1580 
   //------------------------------------------------------------------
1581 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------\n");
1582 
   fprintf(OutFileDecodeChien, "   // + errorOut\n");
1583 
   fprintf(OutFileDecodeChien, "   //- \n");
1584 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------\n");
1585 
   fprintf(OutFileDecodeChien, "   reg   [%d:0]  errorOut;\n", bitSymbol-1);
1586 
 
1587 
   if (ErasureOption == 1){
1588 
      fprintf(OutFileDecodeChien, "   always @(erasureIn or lambdaEvenReg3 or lambdaOddReg3 or errorValueE0 or errorValueE1) begin\n");
1589 
   }else{
1590 
      fprintf(OutFileDecodeChien, "   always @(lambdaEvenReg3 or lambdaOddReg3 or errorValueE0) begin\n");
1591 
   }
1592 
 
1593 
   if (ErasureOption == 1){
1594 
      fprintf(OutFileDecodeChien, "      if (erasureIn == 1'b1) begin\n");
1595 
      fprintf(OutFileDecodeChien, "         errorOut = errorValueE1;\n");
1596 
      fprintf(OutFileDecodeChien, "      end\n");
1597 
      fprintf(OutFileDecodeChien, "      else if (lambdaEvenReg3 == lambdaOddReg3) begin\n");
1598 
      fprintf(OutFileDecodeChien, "         errorOut = errorValueE0;\n");
1599 
      fprintf(OutFileDecodeChien, "      end\n");
1600 
   }else{
1601 
      fprintf(OutFileDecodeChien, "      if (lambdaEvenReg3 == lambdaOddReg3) begin\n");
1602 
      fprintf(OutFileDecodeChien, "         errorOut = errorValueE0;\n");
1603 
      fprintf(OutFileDecodeChien, "      end\n");
1604 
   }
1605 
 
1606 
   fprintf(OutFileDecodeChien, "      else begin\n");
1607 
   fprintf(OutFileDecodeChien, "         errorOut = %d'd0;\n", bitSymbol);
1608 
   fprintf(OutFileDecodeChien, "      end\n");
1609 
   fprintf(OutFileDecodeChien, "   end\n");
1610 
   fprintf(OutFileDecodeChien, "\n\n\n");
1611 
 
1612 
 
1613 
   //------------------------------------------------------------------------
1614 
   // + numErrorReg
1615 
   //- Count Error
1616 
   //------------------------------------------------------------------------
1617 
   if ((errorStats!=0) || (passFailFlag!=0)) {
1618 
      fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1619 
      fprintf(OutFileDecodeChien, "   // + numErrorReg\n");
1620 
      fprintf(OutFileDecodeChien, "   //- Count Error\n");
1621 
      fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1622 
      fprintf(OutFileDecodeChien, "   reg    [%d:0]   numErrorReg;\n", indexSyndrome);
1623 
      fprintf(OutFileDecodeChien, "   always @(posedge CLK or negedge RESET) begin\n");
1624 
      fprintf(OutFileDecodeChien, "      if (~RESET) begin\n");
1625 
      fprintf(OutFileDecodeChien, "         numErrorReg [%d:0]   <= %d'd0;\n", indexSyndrome, indexSyndrome+1);
1626 
      fprintf(OutFileDecodeChien, "      end\n");
1627 
      fprintf(OutFileDecodeChien, "      else if (enable == 1'b1) begin\n");
1628 
      fprintf(OutFileDecodeChien, "         if (sync == 1'b1) begin\n");
1629 
      fprintf(OutFileDecodeChien, "            numErrorReg <= %d'd0;\n", indexSyndrome+1);
1630 
      fprintf(OutFileDecodeChien, "         end\n");
1631 
      fprintf(OutFileDecodeChien, "         else if (lambdaEven == lambdaOdd) begin\n");
1632 
      fprintf(OutFileDecodeChien, "            numErrorReg <= numErrorReg + %d'd1;\n", indexSyndrome+1);
1633 
      fprintf(OutFileDecodeChien, "         end\n");
1634 
      fprintf(OutFileDecodeChien, "      end\n");
1635 
      fprintf(OutFileDecodeChien, "   end\n");
1636 
      fprintf(OutFileDecodeChien, "\n\n\n");
1637 
   }
1638 
 
1639 
   //------------------------------------------------------------------
1640 
   // + numErrorReg2
1641 
   //------------------------------------------------------------------
1642 
   if ((errorStats!=0) || (passFailFlag!=0)) {
1643 
      fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------\n");
1644 
      fprintf(OutFileDecodeChien, "   // + numErrorReg2\n");
1645 
      fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------\n");
1646 
      fprintf(OutFileDecodeChien, "   reg    [%d:0]   numErrorReg2;\n", indexSyndrome);
1647 
      fprintf(OutFileDecodeChien, "   always @(posedge CLK or negedge RESET) begin\n");
1648 
      fprintf(OutFileDecodeChien, "      if (~RESET) begin\n");
1649 
      fprintf(OutFileDecodeChien, "         numErrorReg2 <=  %d'd0;\n", indexSyndrome+1);
1650 
      fprintf(OutFileDecodeChien, "      end\n");
1651 
      fprintf(OutFileDecodeChien, "      else if ((enable == 1'b1) && (doneOrg == 1'b1)) begin\n");
1652 
      fprintf(OutFileDecodeChien, "         if (lambdaEven == lambdaOdd) begin\n");
1653 
      fprintf(OutFileDecodeChien, "            numErrorReg2 <= numErrorReg + %d'd1;\n", indexSyndrome+1);
1654 
      fprintf(OutFileDecodeChien, "         end\n");
1655 
      fprintf(OutFileDecodeChien, "         else begin\n");
1656 
      fprintf(OutFileDecodeChien, "            numErrorReg2 <= numErrorReg;\n");
1657 
      fprintf(OutFileDecodeChien, "         end\n");
1658 
      fprintf(OutFileDecodeChien, "      end\n");
1659 
      fprintf(OutFileDecodeChien, "   end\n");
1660 
   }
1661 
 
1662 
   //------------------------------------------------------------------------
1663 
   //- Output Ports
1664 
   //------------------------------------------------------------------------
1665 
   if ((errorStats!=0) || (passFailFlag!=0)) {
1666 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1667 
   fprintf(OutFileDecodeChien, "   //- Output Ports\n");
1668 
   fprintf(OutFileDecodeChien, "   //------------------------------------------------------------------------\n");
1669 
   fprintf(OutFileDecodeChien, "   assign   numError = numErrorReg2;\n");
1670 
   }
1671 
 
1672 
   fprintf(OutFileDecodeChien, "\n\n");
1673 
   fprintf(OutFileDecodeChien, "endmodule\n");
1674 
 
1675 
 
1676 
   //---------------------------------------------------------------
1677 
   // close file
1678 
   //---------------------------------------------------------------
1679 
   fclose(OutFileDecodeChien);
1680 
 
1681 
 
1682 
  //---------------------------------------------------------------
1683 
  // Free memory
1684 
  //---------------------------------------------------------------
1685 
   delete[] coeffTab;
1686 
   delete[] initTab;
1687 
   delete[] x1Tab;
1688 
   delete[] x2Tab;
1689 
   delete[] ppTab;
1690 
   delete[] powerTab;
1691 
   delete[] bbTab;
1692 
   delete[] ttTab;
1693 
   delete[] bidon;
1694 
 
1695 
 
1696 
   //---------------------------------------------------------------
1697 
   // automatically convert Dos mode To Unix mode
1698 
   //---------------------------------------------------------------
1699 
        char ch;
1700 
        char temp[MAX_PATH]="\0";
1701 
 
1702 
        //Open the file for reading in binarymode.
1703 
        ifstream fp_read(strRsDecodeChien, ios_base::in | ios_base::binary);
1704 
        sprintf(temp, "%s.temp", strRsDecodeChien);
1705 
        //Create a temporary file for writing in the binary mode. This
1706 
        //file will be created in the same directory as the input file.
1707 
        ofstream fp_write(temp, ios_base::out | ios_base::trunc | ios_base::binary);
1708 
 
1709 
        while(fp_read.eof() != true)
1710 
        {
1711 
                fp_read.get(ch);
1712 
                //Check for CR (carriage return)
1713 
                if((int)ch == 0x0D)
1714 
                        continue;
1715 
                if (!fp_read.eof())fp_write.put(ch);
1716 
        }
1717 
 
1718 
        fp_read.close();
1719 
        fp_write.close();
1720 
        //Delete the existing input file.
1721 
        remove(strRsDecodeChien);
1722 
        //Rename the temporary file to the input file.
1723 
        rename(temp, strRsDecodeChien);
1724 
        //Delete the temporary file.
1725 
        remove(temp);
1726 
 
1727 
 
1728 
   //---------------------------------------------------------------
1729 
   // clean string
1730 
   //---------------------------------------------------------------
1731 
   free(strRsDecodeChien);
1732 
 
1733 
 
1734 
}

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