Merge pull request #14 from UnavailableDev/dev

apu note 2 freq

1 files changed, 40 insertions, 0 deletions

diff --git a/basys3/basys3.srcs/apu_tb_note_to_frequency.vhd b/basys3/basys3.srcs/apu_tb_note_to_frequency.vhd
new file mode 100644
index 0000000..385071e
--- /dev/null
+++ b/basys3/basys3.srcs/apu_tb_note_to_frequency.vhd
@@ -0,0 +1,40 @@
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+library UNISIM;
+use UNISIM.VComponents.all;
+
+entity apu_tb_note_to_frequency is
+end entity;
+
+architecture Behavioral of apu_tb_note_to_frequency is
+
+    component apu_note_to_frequency is
+        port (
+            data : in std_logic_vector(7 downto 0);
+            freq : out std_logic_vector(11 downto 0) --frequency
+        );
+    end component;
+
+    signal data : std_logic_vector(7 downto 0) := (others => '0');
+    signal freq : std_logic_vector(11 downto 0) := (others => '0');
+
+    signal OK : boolean := false;
+
+begin
+    UUT: apu_note_to_frequency
+    port map (
+        data => data,
+        freq => freq
+    );
+    
+    TB: process
+    begin
+        for I in 0 to 255 loop
+            data <= std_logic_vector(to_unsigned(I, 8));
+            wait for 4 ps;
+        end loop;
+    end process;
+
+end architecture;
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