Changeset 4347

Timestamp:

07/12/07 16:19:39 (6 years ago)

Author:

hvolos

Message:

Started writing tests for the conv fec

Files:

• SigProc/trunk/SigProc/autotest_sources/Fec_conv_testsuite.h (modified) (1 diff)

SigProc/trunk/SigProc/autotest_sources/Fec_conv_testsuite.h

@@ -60 +60 @@
     };
 
+    void testEncoder(){
+        unsigned int inputVector[20]={1,0,0,0,1,0,0,1,1,1,0,1,1,0,1,0,1,1,1,0};
+        unsigned int outputVector[35];
+        unsigend int outputVectorTest[35];
+    unsigned short int data2Enc[20],encData[20],noOfSymbols=0;
+    signed short int tmp;
+    unsigned short int numberOfBits=0, numberOfOutBits=0;
+        unsigned int genPoly[5];
+        genPoly[0]=159;
+        genPoly[1]=188;
+        genPoly[2]=110;
+        genPoly[3]=173;
+        genPoly[4]=223;
+        SigProc::trellisTable *theTrellisTable;
+        theTrellisTable=new SigProc::trellisTable(genPoly,
+                (short unsigned int)4,
+                (short unsigned int)5,
+                (short unsigned int)2);
+        SigProc::fec_conv_encoder  * encoder;
+        encoder->SetTrellisTable(theTrellisTable);
+ 
+        
+        numberOfBits=20
+        noOfSymbols=numberOfBits/theTrellisTable->k;
+        unsigned short int mode =1;
+
+            ///Adjust the output lengh according to the encoding mode
+            switch (mode){
+                case 0:
+                    ///The encoder starts from zero state
+                    numberOfOutBits=noOfSymbols*theTrellisTable->n;
+                    break;
+                case 1:
+                    ///The encoder starts and ends at the zero state        
+                    numberOfOutBits=(noOfSymbols+theTrellisTable->K)*theTrellisTable->n;
+                    break;
+                default:
+            };
+            
+            encoder->ResetState();
+            
+            for (unsigned int i=0;i<noOfSymbols;i++){
+                 for (unsigned int j=0;j<theTrellisTable->k;j++){
+                    data2Enc[j]=inputVector[i*theTrellisTable->k+j];
+                 }
+            
+               
+            
+                encoder->Encode(data2Enc,encData);
+        
+                for (int j=0;j<theTrellisTable->n;j++){
+                     tmp=(short int )encData[j];
+                   outputVector[i*theTrellisTable->n+j]=tmp;
+                 }
+            }
+
+            ///If mode=1 add additional symbols to make the last state of the encoder zero
+            if (mode==1){
+                    
+                 for (unsigned int j=0;j<theTrellisTable->k;j++){
+                    data2Enc[j]=0;
+                 }
+
+                  for (unsigned int i=noOfSymbols;i<noOfSymbols+theTrellisTable->K;i++){
+                            
+                         encoder->Encode(data2Enc,encData);
+        
+                        for (int j=0;j<theTrellisTable->n;j++){
+                         tmp=(short int )encData[j];
+                         outputVector[i*theTrellisTable->n+j]=tmp;
+                        }
+                       
+                }
+
+            };            
+
+        }//else
+    }
 };