From b403da8f02c1e7e18d82b2376bf3af4cff3be8c0 Mon Sep 17 00:00:00 2001
From: VarshaAnand2402 <35148324+VarshaAnand2402@users.noreply.github.com>
Date: Sat, 25 Jul 2020 20:26:10 +0100
Subject: [PATCH] Update fifo_input_mon.sv

Updated to send transactions to mailbox only when there is a read or a write
---
 SVA_and_coverage/fifo_input_mon.sv | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/SVA_and_coverage/fifo_input_mon.sv b/SVA_and_coverage/fifo_input_mon.sv
index 3ee9d70..c553901 100644
--- a/SVA_and_coverage/fifo_input_mon.sv
+++ b/SVA_and_coverage/fifo_input_mon.sv
@@ -28,12 +28,24 @@ class fifo_input_mon;
 			trans = new();
 
 			@(posedge fifo_vif.clk);
-			trans.wr_en = fifo_vif.wr_en;
-			trans.data_in = fifo_vif.data_in;
-			trans.rd_en = fifo_vif.rd_en;
-			$display("\tINPUT MONITOR::sample() : Transaction info: wr_en = %0d, rd_en = %0d, data_in=%0d\n",trans.wr_en,trans.rd_en,trans.data_in);
-			@(posedge fifo_vif.clk);
-			in_mon2sb.put(trans);
+			if (!fifo_vif.rstN) begin
+				fork
+					begin
+						if (fifo_vif.wr_en == 1)
+							trans.wr_en = fifo_vif.wr_en;
+							trans.data_in = fifo_vif.data_in;
+						$display("\tINPUT MONITOR::sample() : Write detected, updating mailbox to send to scoreboard. Transaction info: wr_en = %0d, rd_en = %0d, data_in=%0d\n",trans.wr_en,trans.rd_en,trans.data_in);
+							in_mon2sb.put(trans);
+					end
+					begin
+						if (fifo_vif.rd_en == 1)
+							trans.rd_en = fifo_vif.rd_en;
+						$display("\tINPUT MONITOR::sample() : Read detected, updating mailbox to send to scoreboard.Transaction info: wr_en = %0d, rd_en = %0d, data_in=%0d\n",trans.wr_en,trans.rd_en,trans.data_in);
+							in_mon2sb.put(trans);
+					end
+				join_none
+			end
+			
 		end
 	endtask
 endclass