From f6288dc0a3718a7804901fe246b36304b21cd629 Mon Sep 17 00:00:00 2001
From: Adrian Costina <adrian.costina@analog.com>
Date: Wed, 30 Aug 2017 18:02:09 +0300
Subject: [PATCH] util_extract: Compensate 4 word latency

---
 library/util_extract/util_extract.v | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/library/util_extract/util_extract.v b/library/util_extract/util_extract.v
index d68362f78..48542a652 100644
--- a/library/util_extract/util_extract.v
+++ b/library/util_extract/util_extract.v
@@ -47,7 +47,8 @@ module util_extract #(
   input                         data_valid,
 
   output      [DATA_WIDTH-1:0]  data_out,
-  output  reg                   trigger_out
+  output reg                    valid_out,
+  output reg                    trigger_out
 );
 
   // loop variables
@@ -55,6 +56,9 @@ module util_extract #(
   genvar  n;
 
   reg trigger_d1;
+  reg trigger_d2;
+  reg trigger_d3;
+  reg trigger_d4;
 
   wire [15:0] trigger; // 16 maximum channels
 
@@ -70,9 +74,12 @@ module util_extract #(
 
   // compensate delay in the FIFO
   always @(posedge clk) begin
+    valid_out  <= data_valid;
     if (data_valid == 1'b1) begin
       trigger_d1  <= |trigger;
-      trigger_out <= trigger_d1;
+      trigger_d2  <= trigger_d1;
+      trigger_d3  <= trigger_d2;
+      trigger_out <= trigger_d3;
     end
   end