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-rw-r--r--src/tb/tb_sha256_core.v15
1 files changed, 7 insertions, 8 deletions
diff --git a/src/tb/tb_sha256_core.v b/src/tb/tb_sha256_core.v
index 2f2a288..df0cafc 100644
--- a/src/tb/tb_sha256_core.v
+++ b/src/tb/tb_sha256_core.v
@@ -6,7 +6,8 @@
//
//
// Author: Joachim Strombergson
-// Copyright (c) 2014 SUNET
+// Copyright (c) 2014, SUNET
+// All rights reserved.
//
// Redistribution and use in source and binary forms, with or
// without modification, are permitted provided that the following
@@ -52,6 +53,7 @@ module tb_sha256_core();
parameter DEBUG = 0;
parameter CLK_HALF_PERIOD = 2;
+ parameter CLK_PERIOD = 2 * CLK_HALF_PERIOD;
//----------------------------------------------------------------
@@ -243,7 +245,7 @@ module tb_sha256_core();
begin
while (!tb_ready)
begin
- #(2 * CLK_HALF_PERIOD);
+ #(CLK_PERIOD);
end
end
endtask // wait_ready
@@ -263,8 +265,7 @@ module tb_sha256_core();
tb_block = block;
tb_init = 1;
- #(2 * CLK_HALF_PERIOD);
- tb_init = 0;
+ #(CLK_PERIOD);
wait_ready();
@@ -308,8 +309,7 @@ module tb_sha256_core();
$display("*** TC %0d first block started.", tc_number);
tb_block = block1;
tb_init = 1;
- #(2 * CLK_HALF_PERIOD);
- tb_init = 0;
+ #(CLK_PERIOD);
wait_ready();
db_digest1 = tb_digest;
$display("*** TC %0d first block done.", tc_number);
@@ -317,8 +317,7 @@ module tb_sha256_core();
$display("*** TC %0d second block started.", tc_number);
tb_block = block2;
tb_next = 1;
- #(2 * CLK_HALF_PERIOD);
- tb_next = 0;
+ #(CLK_PERIOD);
wait_ready();
$display("*** TC %0d second block done.", tc_number);