Changeset 4754

Timestamp:

08/20/07 14:10:32 (6 years ago)

Author:

jgaeddert

Message:

adding test scripts to DigitalModem for modulating 16-QAM and 4-PAM

Files:

• experimental/components/DigitalModem/trunk/DigitalModem/atsrc/DigitalModulator_testsuite.h (modified) (1 diff)

experimental/components/DigitalModem/trunk/DigitalModem/atsrc/DigitalModulator_testsuite.h

@@ -167 +167 @@
 
     void test_Modulate16QAM() {
+        char b[64] = {BIT0, BIT0, BIT0, BIT0,
+                      BIT0, BIT0, BIT0, BIT1,
+                      BIT0, BIT0, BIT1, BIT0,
+                      BIT0, BIT0, BIT1, BIT1,
+                      BIT0, BIT1, BIT0, BIT0,
+                      BIT0, BIT1, BIT0, BIT1,
+                      BIT0, BIT1, BIT1, BIT0,
+                      BIT0, BIT1, BIT1, BIT1,
+                      BIT1, BIT0, BIT0, BIT0,
+                      BIT1, BIT0, BIT0, BIT1,
+                      BIT1, BIT0, BIT1, BIT0,
+                      BIT1, BIT0, BIT1, BIT1,
+                      BIT1, BIT1, BIT0, BIT0,
+                      BIT1, BIT1, BIT0, BIT1,
+                      BIT1, BIT1, BIT1, BIT0,
+                      BIT1, BIT1, BIT1, BIT1};
+        
+        short * I_out = new short[16];
+        short * Q_out = new short[16];
+
+        SetModulationScheme( SigProc::QAM16 );
+        ModulateSequence(b, 64, I_out, Q_out);
+
+        TS_ASSERT_EQUALS( I_out[0], -QAM16_LEVEL_2 );
+        TS_ASSERT_EQUALS( Q_out[0],  QAM16_LEVEL_2 );
+        
+        TS_ASSERT_EQUALS( I_out[1], -QAM16_LEVEL_2 );
+        TS_ASSERT_EQUALS( Q_out[1],  QAM16_LEVEL_1 );
+        
+        TS_ASSERT_EQUALS( I_out[2], -QAM16_LEVEL_2 );
+        TS_ASSERT_EQUALS( Q_out[2], -QAM16_LEVEL_2 );
+        
+        TS_ASSERT_EQUALS( I_out[3], -QAM16_LEVEL_2 );
+        TS_ASSERT_EQUALS( Q_out[3], -QAM16_LEVEL_1 );
+        
+        TS_ASSERT_EQUALS( I_out[4], -QAM16_LEVEL_1 );
+        TS_ASSERT_EQUALS( Q_out[4],  QAM16_LEVEL_2 );
+        
+        TS_ASSERT_EQUALS( I_out[5], -QAM16_LEVEL_1 );
+        TS_ASSERT_EQUALS( Q_out[5],  QAM16_LEVEL_1 );
+        
+        TS_ASSERT_EQUALS( I_out[6], -QAM16_LEVEL_1 );
+        TS_ASSERT_EQUALS( Q_out[6], -QAM16_LEVEL_2 );
+        
+        TS_ASSERT_EQUALS( I_out[7], -QAM16_LEVEL_1 );
+        TS_ASSERT_EQUALS( Q_out[7], -QAM16_LEVEL_1 );
+        
+        TS_ASSERT_EQUALS( I_out[8],  QAM16_LEVEL_2 );
+        TS_ASSERT_EQUALS( Q_out[8],  QAM16_LEVEL_2 );
+        
+        TS_ASSERT_EQUALS( I_out[9],  QAM16_LEVEL_2 );
+        TS_ASSERT_EQUALS( Q_out[9],  QAM16_LEVEL_1 );
+        
+        TS_ASSERT_EQUALS( I_out[10],  QAM16_LEVEL_2 );
+        TS_ASSERT_EQUALS( Q_out[10], -QAM16_LEVEL_2 );
+        
+        TS_ASSERT_EQUALS( I_out[11],  QAM16_LEVEL_2 );
+        TS_ASSERT_EQUALS( Q_out[11], -QAM16_LEVEL_1 );
+        
+        TS_ASSERT_EQUALS( I_out[12],  QAM16_LEVEL_1 );
+        TS_ASSERT_EQUALS( Q_out[12],  QAM16_LEVEL_2 );
+        
+        TS_ASSERT_EQUALS( I_out[13],  QAM16_LEVEL_1 );
+        TS_ASSERT_EQUALS( Q_out[13],  QAM16_LEVEL_1 );
+        
+        TS_ASSERT_EQUALS( I_out[14],  QAM16_LEVEL_1 );
+        TS_ASSERT_EQUALS( Q_out[14], -QAM16_LEVEL_2 );
+        
+        TS_ASSERT_EQUALS( I_out[15],  QAM16_LEVEL_1 );
+        TS_ASSERT_EQUALS( Q_out[15], -QAM16_LEVEL_1 );
+        
+        delete [] I_out;
+        delete [] Q_out;
     }
 
     void test_Modulate4PAM() {
+        char b[8] = {BIT0, BIT0,
+                     BIT0, BIT1,
+                     BIT1, BIT0,
+                     BIT1, BIT1};
+                     
+        short * I_out = new short[4];
+        short * Q_out = new short[4];
+
+        SetModulationScheme( SigProc::PAM4 );
+        ModulateSequence( b, 8, I_out, Q_out );
+        
+        TS_ASSERT_EQUALS( I_out[0],  PAM4_LEVEL_2 );
+        TS_ASSERT_EQUALS( Q_out[0],  0            );
+        
+        TS_ASSERT_EQUALS( I_out[1],  PAM4_LEVEL_1 );
+        TS_ASSERT_EQUALS( Q_out[1],  0            );
+        
+        TS_ASSERT_EQUALS( I_out[2], -PAM4_LEVEL_2 );
+        TS_ASSERT_EQUALS( Q_out[2],  0            );
+        
+        TS_ASSERT_EQUALS( I_out[3], -PAM4_LEVEL_1 );
+        TS_ASSERT_EQUALS( Q_out[3],  0            );
+        
+        delete [] I_out;
+        delete [] Q_out;
     }