diff --git a/applications/lofar2/designs/lofar2_unb2b_sdp_station/revisions/lofar2_unb2b_sdp_station_xsub_one/tb_lofar2_unb2b_sdp_station_xsub_one_xst_offload.vhd b/applications/lofar2/designs/lofar2_unb2b_sdp_station/revisions/lofar2_unb2b_sdp_station_xsub_one/tb_lofar2_unb2b_sdp_station_xsub_one_xst_offload.vhd
index fc24b687fddfaee847726ec8b8e5690f254aa374..3ea6397634aea1802adacf6985b0f7f951f34c18 100644
--- a/applications/lofar2/designs/lofar2_unb2b_sdp_station/revisions/lofar2_unb2b_sdp_station_xsub_one/tb_lofar2_unb2b_sdp_station_xsub_one_xst_offload.vhd
+++ b/applications/lofar2/designs/lofar2_unb2b_sdp_station/revisions/lofar2_unb2b_sdp_station_xsub_one/tb_lofar2_unb2b_sdp_station_xsub_one_xst_offload.vhd
@@ -220,7 +220,7 @@ BEGIN
-- Enable xsub
----------------------------------------------------------------------------
mmf_mm_bus_wr(c_mm_file_reg_bsn_sync_scheduler_xsub, 1, c_ctrl_interval_size, tb_clk); -- Interval size
- mmf_mm_bus_wr(c_mm_file_reg_bsn_sync_scheduler_xsub, 2, 1, tb_clk); -- first write low then high part
+ mmf_mm_bus_wr(c_mm_file_reg_bsn_sync_scheduler_xsub, 2, c_nof_block_per_sync, tb_clk); -- first write low then high part
mmf_mm_bus_wr(c_mm_file_reg_bsn_sync_scheduler_xsub, 3, 0, tb_clk); -- assume v_bsn < 2**31-1
mmf_mm_bus_wr(c_mm_file_reg_bsn_sync_scheduler_xsub, 0, 1, tb_clk); -- enable
----------------------------------------------------------------------------
diff --git a/applications/lofar2/libraries/sdp/src/vhdl/node_sdp_correlator.vhd b/applications/lofar2/libraries/sdp/src/vhdl/node_sdp_correlator.vhd
index 365c07803a5df9b5a92ab26327a41612bd613976..530ce569f6a5528af4e6b18a1cbc189deac959c5 100644
--- a/applications/lofar2/libraries/sdp/src/vhdl/node_sdp_correlator.vhd
+++ b/applications/lofar2/libraries/sdp/src/vhdl/node_sdp_correlator.vhd
@@ -243,7 +243,7 @@ BEGIN
---------------------------------------------------------------
-- REG_NOF_CROSSLETS
---------------------------------------------------------------
- u_crosslets_info : ENTITY common_lib.mms_common_reg
+ u_nof_crosslets : ENTITY common_lib.mms_common_reg
GENERIC MAP(
g_mm_reg => c_sdp_mm_reg_nof_crosslets
)
@@ -261,8 +261,10 @@ BEGIN
in_reg => nof_crosslets,
out_reg => nof_crosslets_reg
);
- -- Force nof crosslets to max nof crosslets if a higher value is written via MM.
- nof_crosslets <= nof_crosslets_reg WHEN TO_UINT(nof_crosslets_reg) <= c_sdp_N_crosslets_max ELSE TO_UVEC(c_sdp_N_crosslets_max, c_sdp_nof_crosslets_reg_w);
+ -- Force nof crosslets to max nof crosslets if a higher value is written or to 1 if a lower value is written via MM.
+ nof_crosslets <= TO_UVEC(1, c_sdp_nof_crosslets_reg_w) WHEN TO_UINT(nof_crosslets_reg) < 1 ELSE
+ nof_crosslets_reg WHEN TO_UINT(nof_crosslets_reg) <= c_sdp_N_crosslets_max ELSE
+ TO_UVEC(c_sdp_N_crosslets_max, c_sdp_nof_crosslets_reg_w);
---------------------------------------------------------------
-- XST UDP offload
diff --git a/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd b/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
index a3300309701ba5fae13e00f2966376d56677d608..cafa91bba0f77eb072ad29b1026fbfb47ee789ac 100644
--- a/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
+++ b/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
@@ -332,7 +332,7 @@ PACKAGE sdp_pkg is
adr_w => 1,
dat_w => ceil_log2(c_sdp_N_crosslets_max+1),
nof_dat => 1,
- init_sl => '1'); -- Default = 1
+ init_sl => '0'); -- Default = 1
CONSTANT c_sdp_nof_crosslets_reg_w : NATURAL := c_sdp_mm_reg_nof_crosslets.nof_dat*c_sdp_mm_reg_nof_crosslets.dat_w;
CONSTANT c_sdp_xst_nof_clk_per_sync_min : NATURAL := (c_sdp_f_adc_MHz *10**6) / 10; -- 0.1 second
diff --git a/applications/lofar2/libraries/sdp/src/vhdl/sdp_statistics_offload.vhd b/applications/lofar2/libraries/sdp/src/vhdl/sdp_statistics_offload.vhd
index 974a74304118ebb2c067209ed61e0d5a870270b9..fe11feeeb7a37c7fecd7761e744e89e0556dc073 100644
--- a/applications/lofar2/libraries/sdp/src/vhdl/sdp_statistics_offload.vhd
+++ b/applications/lofar2/libraries/sdp/src/vhdl/sdp_statistics_offload.vhd
@@ -244,12 +244,11 @@ BEGIN
v.start_pulse := '1';
v.start_address := 0;
v.block_count := 0;
+ IF g_statistics_type = "XST" AND TO_UINT(nof_crosslets) = 1 THEN
+ v.block_count := c_sdp_N_crosslets_max; -- Instead of setting v.block_count to 0 we need to set it to N_crosslets_max = 7 to prevent another block to stream out.
+ END IF;
v.crosslet_count := 0;
v.nof_crosslets := TO_UINT(nof_crosslets); -- register nof_crosslets to make sure it does not change during packet output.
- -- Disable output by setting block_count to c_nof_packets-1 when the nof_crosslets is set to 0.
- IF g_statistics_type = "XST" AND TO_UINT(nof_crosslets) = 0 THEN
- v.block_count := c_nof_packets-1;
- END IF;
ELSIF done = '1' THEN
-- Use done to start next packets
IF r.block_count < c_nof_packets-1 THEN
@@ -260,27 +259,26 @@ BEGIN
END IF;
v.start_pulse := '1';
v.block_count := r.block_count + 1;
+
+ IF g_statistics_type = "XST" THEN
+ IF r.crosslet_count < r.nof_crosslets-1 THEN
+ v.crosslet_count := r.crosslet_count + 1;
+ ELSE
+ v.crosslet_count := 0;
+ v.block_count := r.block_count + 1 + c_sdp_N_crosslets_max - r.nof_crosslets; -- skip block indices for unused XST blocks.
+ END IF;
+ END IF;
+
ELSE
-- Prepare for next trigger interval.
v.start_address := 0;
v.block_count := 0;
+ v.crosslet_count := 0;
END IF;
-
- IF g_statistics_type = "XST" THEN
- IF r.crosslet_count < r.nof_crosslets-1 THEN
- v.crosslet_count := r.crosslet_count + 1;
- ELSE
- v.crosslet_count := 0;
- IF r.block_count < c_nof_packets-1 THEN -- skip block indices for unused XST blocks
- v.block_count := r.block_count + 1 + c_sdp_N_crosslets_max - r.nof_crosslets;
- END IF;
- END IF;
- END IF;
-
END IF;
- -- Release header info per packet offload
IF trigger = '1' OR done = '1' THEN
+ -- Release header info per packet offload
v.dp_header_info := dp_header_info;
END IF;
nxt_r <= v;