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Commit ec44f901 authored by Oran Garrity's avatar Oran Garrity
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Lab#4_cntupen Complete

parent 66d4ef9f
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src/t_cntupen.vhd
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......@@ -86,26 +86,27 @@ BEGIN -- tbench
ASSERT count_o = X"F" REPORT "Error: Expected count_o = F !" SEVERITY failure;
---------------------------------------------------------------------------
-- wait for a no. of count values
-- then ...
WAIT FOR 5 * period; -- wait for a no. of count values -- then ...
---------------------------------------------------------------------------
---------------------------------------------------------------------------
-- 4. After another five periods: Deactivate Enable
---------------------------------------------------------------------------
-- .... deactivate enable input en_pi
en_pi <= '0'; -- .... deactivate enable input en_pi
---------------------------------------------------------------------------
---------------------------------------------------------------------------
-- 5. After another three periods: Activate Enable
WAIT FOR 3 * period; -- wait for a no. of count values
en_pi <= '1';
-- 6. Simulate another complete counting cycle
---------------------------------------------------------------------------
-- activate enable input en_pi
WAIT FOR 15 * period; -- activate enable input en_pi
-- wait for at least one count cycle
-- ASSERT count_o = ??? REPORT "Error: Expected count_o = ??? !" SEVERITY failure;
ASSERT count_o = X"4" REPORT "Error: Expected count_o = 4 !" SEVERITY failure;
---------------------------------------------------------------------------
......
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