First working switches testbench

This commit is contained in:
2022-11-05 21:09:55 +01:00
parent 233cd9014b
commit 7ba04fe6c2
3 changed files with 92 additions and 5 deletions

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-- See the file "LICENSE" for the full license governing this code. --
LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
USE ieee.numeric_std.ALL;
LIBRARY work;
USE work.lt16soc_peripherals.ALL;
USE work.wishbone.ALL;
USE work.wb_tp.ALL;
USE work.config.ALL;
ENTITY switches_tb IS
END ENTITY;
ARCHITECTURE sim OF switches_tb IS
constant CLK_PERIOD : time := 10 ns;
signal clk : std_logic := '0';
signal rst : std_logic;
signal data : std_logic_vector(WB_PORT_SIZE-1 downto 0);
signal buttons: std_logic_vector(4 downto 0);
signal switches : std_logic_vector(15 downto 0);
signal slvi : wb_slv_in_type;
signal slvo : wb_slv_out_type;
BEGIN
SIM_SLV: wb_switches
generic map(
memaddr => CFG_BADR_LED,
addrmask => CFG_MADR_LED
)
port map(
clk => clk,
rst => rst,
buttons => buttons,
switches => switches,
wslvi => slvi,
wslvo => slvo
);
clk_gen: process
begin
clk <= not clk;
wait for CLK_PERIOD/2;
end process clk_gen;
stimuli: process
begin
rst <= '1';
wait for CLK_PERIOD;
rst <= '0';
buttons <= "00110";
switches <= "1001000101010111";
wait for CLK_PERIOD;
data <= (others => '0');
generate_sync_wb_single_read(slvi,slvo,clk,data);
wait for 2 ns;
data <= (others => '0');
generate_sync_wb_single_read(slvi,slvo,clk,data);
wait;
end process stimuli;
END ARCHITECTURE;