Changeset 8875

Timestamp:

03/05/09 14:30:53 (4 years ago)

Author:

hvolos

Message:

reducing overhead

Location:

ossiedev/branches/hvolos/packetwfrm/components

Files:

• FrameAssembler/src/FrameAssembler.cpp (modified) (3 diffs)
• FrameAssembler/src/FrameAssemblerDSP.cpp (modified) (1 diff)
• SymbolSyncPoly/src/FrameSynchronizerDSP.cpp (modified) (2 diffs)
• SymbolSyncPoly/src/FrameSynchronizerDSP.h (modified) (1 diff)

ossiedev/branches/hvolos/packetwfrm/components/FrameAssembler/src/FrameAssembler.cpp

@@ -187 +187 @@
     unsigned int j(0);
     unsigned int blockSize(512);
+    unsigned int ramp_length=128;
 
     // Prepare preamble phasing pattern, ramp up/down
@@ -192 +193 @@
     short * Q_phasing_pattern = new short[512];
     PortTypes::ShortSequence I_out_phasing_pattern, Q_out_phasing_pattern;
-    I_out_phasing_pattern.length(256);
-    Q_out_phasing_pattern.length(256);
+    I_out_phasing_pattern.length(ramp_length);
+    Q_out_phasing_pattern.length(ramp_length);
     PortTypes::ShortSequence I_out_ramp_up, Q_out_ramp_up;
-    I_out_ramp_up.length(256);
-    Q_out_ramp_up.length(256);
+    I_out_ramp_up.length(ramp_length);
+    Q_out_ramp_up.length(ramp_length);
     PortTypes::ShortSequence I_out_ramp_down, Q_out_ramp_down;
-    I_out_ramp_down.length(256);
-    Q_out_ramp_down.length(256);
+    I_out_ramp_down.length(ramp_length);
+    Q_out_ramp_down.length(ramp_length);
 
     AssemblePhasingPattern(I_phasing_pattern, Q_phasing_pattern);
-    for (unsigned int i=0; i<256; i++) {
+    for (unsigned int i=0; i<ramp_length; i++) {
         I_out_phasing_pattern[i] = I_phasing_pattern[i];
         Q_out_phasing_pattern[i] = Q_phasing_pattern[i];
         
-        I_out_ramp_up[i] = (short) (I_phasing_pattern[i] * (0.5 - 0.5*cos( PI*i/256 )));
-        Q_out_ramp_up[i] = (short) (Q_phasing_pattern[i] * (0.5 - 0.5*cos( PI*i/256 )));
+        I_out_ramp_up[i] = (short) (I_phasing_pattern[i] * (0.5 - 0.5*cos( PI*i/ramp_length )));
+        Q_out_ramp_up[i] = (short) (Q_phasing_pattern[i] * (0.5 - 0.5*cos( PI*i/ramp_length )));
         
         I_out_ramp_down[i] = 1 - I_out_ramp_up[i];
@@ -257 +258 @@
                 
 
-                 ConfigureFrameType(FRAME_TYPE_DATA);
+                 //ConfigureFrameType(FRAME_TYPE_DATA);
 
                 ConfigureFrameSize(frame_size_option);

ossiedev/branches/hvolos/packetwfrm/components/FrameAssembler/src/FrameAssemblerDSP.cpp

@@ -192 +192 @@
 
     // Write control blocks
-    for (unsigned int i=0; i<8; i++) {
+    for (unsigned int i=0; i<5; i++) {
         WriteSequence(controlBlock[i], 31, I_out, Q_out);
         I_out += 31;

ossiedev/branches/hvolos/packetwfrm/components/SymbolSyncPoly/src/FrameSynchronizerDSP.cpp

@@ -324 +324 @@
     }
 
+/**
     // specify frame type
     unsigned int ft = DecodeControlSequence(5,6);
@@ -346 +347 @@
         eomSize=0;
     }
-
+**/
 
     std::cout << "FRAME HEADER EXTRACTED (mod: " << ms

ossiedev/branches/hvolos/packetwfrm/components/SymbolSyncPoly/src/FrameSynchronizerDSP.h

@@ -30 +30 @@
 
 #define FRAME_SYNC_BUFFER_SIZE 255  ///< size of frame sync buffer
-#define NUM_CONTROL_CODES 8         ///< number of control codes
+#define NUM_CONTROL_CODES 5         ///< number of control codes
 
 //#define FRAME_SIZE_1 2048           ///< Frame size option 1