Increased depth of data_buffer

applications/apertif/designs/apertif_unb1_correlator/src/vhdl/node_apertif_unb1_correlator_processing.vhd

@@ -210,7 +210,7 @@ ARCHITECTURE str OF node_apertif_unb1_correlator_processing IS
   
   -- Databuffer
   CONSTANT c_db_data_w                               : NATURAL := c_nof_complex*c_wpfb_in_dat_w;  -- 16 = 8b real + 8bit imaginary
-  CONSTANT c_db_nof_data                             : NATURAL := 8;
+  CONSTANT c_db_nof_data                             : NATURAL := 128;
  
   -- BSN Monitor
   CONSTANT c_nof_bsn_mon_streams                     : NATURAL := 6;    
@@ -238,7 +238,6 @@ ARCHITECTURE str OF node_apertif_unb1_correlator_processing IS
   SIGNAL wpfb_snk_in_ctrl                            : t_dp_sosi;                    
   SIGNAL wpfb_snk_in_arr                             : t_dp_sosi_arr(c_nof_dsp_streams-1 DOWNTO 0);
   SIGNAL wpfb_src_out_arr                            : t_dp_sosi_arr(c_nof_dsp_streams-1 DOWNTO 0);
-  SIGNAL dp_fifo_info_src_out_arr                    : t_dp_sosi_arr(c_nof_dsp_streams-1 DOWNTO 0);
   SIGNAL requantize_snk_in_arr                       : t_dp_sosi_arr(c_nof_dsp_streams-1 DOWNTO 0);
   SIGNAL node_apertif_unb1_correlator_processing_acc_flush_sync_snk_in_arr : t_dp_sosi_arr(c_nof_dsp_streams-1 DOWNTO 0);
   SIGNAL correlator_snk_in_arr                       : t_dp_sosi_arr(c_nof_dsp_streams-1 DOWNTO 0);
@@ -385,7 +384,6 @@ BEGIN
   -- WPFB
   -----------------------------------------------------------------------------
   -- Add sop, eop for WPFB 
-  gen_dp_block_gen_wpfb : IF g_use_wpfb=TRUE GENERATE
   gen_dp_block_gen : FOR i IN 0 TO c_nof_interleaved_streams-1 GENERATE
     u_dp_sync_insert : ENTITY dp_lib.dp_sync_insert
     GENERIC MAP(
@@ -401,7 +399,7 @@ BEGIN
       src_out    => wpfb_snk_in_arr(i)
     );
   END GENERATE;
-  END GENERATE;
+
 
    -- WPFB snk_in data buffer
   gen_databuffer : IF g_use_db = TRUE GENERATE
@@ -411,7 +409,7 @@ BEGIN
       g_data_type       => e_complex,
       g_data_w          => c_db_data_w,
       g_buf_nof_data    => c_db_nof_data,
-      g_buf_use_sync    => FALSE
+      g_buf_use_sync    => TRUE
     )
     PORT MAP (
       -- System
@@ -425,8 +423,8 @@ BEGIN
       reg_data_buf_mosi => reg_diag_data_buf_mosi,
       reg_data_buf_miso => reg_diag_data_buf_miso,
       -- ST interface
-      in_sync           => wpfb_snk_in_arr(0).sync,
-      in_sosi_arr       => wpfb_snk_in_arr
+      in_sync           => sync_checked_src_out_arr(0).sync,
+      in_sosi_arr       => sync_checked_src_out_arr
     );
   END GENERATE;
 
@@ -456,21 +454,22 @@ BEGIN
       in_sosi_arr        => wpfb_snk_in_arr,     
       out_sosi_arr       => wpfb_src_out_arr
     ); 
-    dp_fifo_info_src_out_arr <= wpfb_src_out_arr;
+--    dp_fifo_info_src_out_arr <= wpfb_src_out_arr;
   END GENERATE;   
 
   -- Bypass wpfb
   gen_no_wpfb : IF g_use_wpfb = FALSE GENERATE
-    wpfb_snk_in_arr <= corr_folder_src_out_arr;
-    dp_fifo_info_src_out_arr <= wpfb_snk_in_arr;
+--    wpfb_snk_in_arr <= corr_folder_src_out_arr;
+    wpfb_src_out_arr <= wpfb_snk_in_arr;
   END GENERATE;               
   
   -----------------------------------------------------------------------------
   -- Requantize output of wpfb for correlator input 
   -----------------------------------------------------------------------------
-  requantize_snk_in_arr <= dp_fifo_info_src_out_arr;
+  requantize_snk_in_arr <= wpfb_src_out_arr;
 
   gen_correlator : IF g_use_cor = TRUE GENERATE
+    gen_requantize_after_wpfb : IF g_use_wpfb = TRUE GENERATE  
       gen_requantizer : FOR I IN 0 TO c_nof_cor_input_streams-1 GENERATE
         u_dp_requantize_out : ENTITY dp_lib.dp_requantize
         GENERIC MAP (
@@ -495,6 +494,13 @@ BEGIN
           out_ovr    => OPEN
         );
       END GENERATE;
+    END GENERATE;                                              
+
+    gen_no_requantize_after_wpfb : IF g_use_wpfb = FALSE GENERATE  
+      gen_no_requantizer : FOR I IN 0 TO c_nof_cor_input_streams-1 GENERATE  
+        node_apertif_unb1_correlator_processing_acc_flush_sync_snk_in_arr(I) <= requantize_snk_in_arr(I);  
+      END GENERATE;
+    END GENERATE;                                              
 
     -----------------------------------------------------------------------------
     -- Convert the incoming sync pulses (tagging start of each beamlet) to sync