Read back only 1 sample from databuffer

applications/apertif/designs/apertif_unb1_cor_mesh_ref/tb/python/tc_apertif_unb1_cor_mesh_ref.py

@@ -75,7 +75,7 @@ c_mem_low_addr            = 0
 c_mem_high_addr           = c_samples_per_packet-1
 c_bsn_init                = 42
 c_in_dat_w                = 8
-c_nof_read_back_samples   = c_db_ram_size
+c_nof_read_back_samples   = 1
 
 c_write_bg_data            = False 
 c_write_bg_data_to_file    = False  
@@ -160,13 +160,13 @@ if __name__ == "__main__":
     
     bg.write_enable_pps()
     
-    bsn.read_bsn_monitor(0)
-    bsn.read_bsn_monitor(1)
+#    bsn.read_bsn_monitor(0)
+#    bsn.read_bsn_monitor(1)
    
     do_until_ge(db_re.read_nof_words, ms_retry=3000, val=c_db_ram_size, s_timeout=3600)
     
-    bsn.read_bsn_monitor(0)
-    bsn.read_bsn_monitor(1)
+#    bsn.read_bsn_monitor(0)
+#    bsn.read_bsn_monitor(1)
     
     ###############################################################################
     #