Added c_frame_usr_len

applications/apertif/designs/apertif_unb1_correlator/src/vhdl/apertif_unb1_correlator_nodes.vhd

@@ -163,6 +163,8 @@ ARCHITECTURE str OF apertif_unb1_correlator_nodes IS
   -- Normally we have 8 nodes * 3 10GbE inputs = 24 inputs = 300 visibilities. In 1x10GbE mode, we have 8 inputs = 36 visibilities.
   CONSTANT c_nof_visibilities       : NATURAL := sel_a_b(c_nof_10GbE_streams=1, 36, 300);
   
+  CONSTANT c_usr_frame_len          : NATURAL := 176; -- 8-bit mode: 176 6-bit mode: 240 
+
   -- Enable block generators
   CONSTANT c_use_phy                : t_c_unb1_board_use_phy  := (1, sel_a_b(c_use_bg_input, 0, 1), 0, 0, 0, 0, 0, 1);
 
@@ -380,7 +382,7 @@ BEGIN
       g_use_repack         => c_use_repack,     
       g_usr_use_complex    => c_use_complex,    
       g_usr_data_w         => c_mesh_data_w,              
-      g_usr_frame_len      => 176,               
+      g_usr_frame_len      => c_usr_frame_len,               
       g_aux                => c_unb1_board_aux  
     )
     PORT MAP(