Store 64 visibility packets in DB output to fit all channels for one beamlet...

Store 64 visibility packets in DB output to fit all channels for one beamlet (as supported in r 18616 apertif_unb1_correlator_full).

applications/apertif/designs/apertif_unb1_correlator/src/vhdl/node_apertif_unb1_correlator_output.vhd

@@ -91,12 +91,21 @@ ARCHITECTURE str OF node_apertif_unb1_correlator_output IS
   -- Output DB
   CONSTANT c_vis_header_size                         : NATURAL := 21;  -- (pad(2) + eth(14) + ip(20) + udp(8) + app_id(16) + app_flags(24)) / 4 = 84 bytes / 4 = 21 words
   CONSTANT c_vis_payload_size                        : NATURAL := c_nof_complex*g_nof_visibilities;
-  CONSTANT c_vis_packet_size                         : NATURAL := c_vis_header_size + c_vis_payload_size;
+  CONSTANT c_vis_packet_size                         : NATURAL := c_vis_header_size + c_vis_payload_size;  -- = 21 + 600 = 621
   CONSTANT c_vis_nof_packets_per_sync                : NATURAL := g_nof_beamlets * g_nof_channels;
   CONSTANT c_vis_nof_data_per_sync                   : NATURAL := c_vis_nof_packets_per_sync * c_vis_packet_size;
-  CONSTANT c_db_nof_data_hw                          : NATURAL := 1024;    -- on HW at least 1 packet (21 header + 600 payload words)
+  CONSTANT c_vis_nof_data_per_beamlet                : NATURAL := g_nof_channels * c_vis_packet_size;  -- = 64 * 621 = 39744
+  CONSTANT c_db_nof_data_hw                          : NATURAL := ceil_value(c_vis_nof_data_per_beamlet, 1024);  -- = 39 * 1024 = 39936, on HW at least 64 packets to fit all channels for one beamlet
+  --CONSTANT c_db_nof_data_hw                          : NATURAL := ceil_value(c_vis_packet_size, 1024);    -- = 1024, on HW at least 1 packet (21 header + 600 payload words)
   CONSTANT c_db_nof_data_sim                         : NATURAL := c_vis_nof_data_per_sync;  -- in sim at least one sync interval
   CONSTANT c_db_nof_data                             : NATURAL := sel_a_b(g_sim, c_db_nof_data_sim, c_db_nof_data_hw);
+
+  -- load tb_apertif_unb1_correlator_full, as 8, to see value of dbg_c_db_nof_data_hw on hardware
+  SIGNAL dbg_c_vis_packet_size                       : NATURAL := c_vis_packet_size;
+  SIGNAL dbg_c_vis_nof_data_per_beamlet              : NATURAL := c_vis_nof_data_per_beamlet;
+  SIGNAL dbg_c_db_nof_data_hw                        : NATURAL := c_db_nof_data_hw;
+  SIGNAL dbg_c_db_nof_data_sim                       : NATURAL := c_db_nof_data_sim;
+  SIGNAL dbg_c_db_nof_data                           : NATURAL := c_db_nof_data;
   
   SIGNAL db_sosi_arr                                 : t_dp_sosi_arr(0 DOWNTO 0);
   SIGNAL db_data                                     : STD_LOGIC_VECTOR(c_32-1 DOWNTO 0);