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remove KittCar_v1.1.vhd

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This commit is contained in:
Davide Cavagnola
2025-03-19 17:22:21 +01:00
parent b6b6697561
commit 52af51ac18
2 changed files with 6 additions and 96 deletions
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90
LAB1/lab1_kit_car/lab1_kit_car.srcs/sources_1/new/KittCar_v1.1.vhd
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@@ -1,90 +0,0 @@
-- File: KittCar_v1.vhd
-- Description: Better asyncronous logic handling & unsigned n_period
-- Known problem: Not yet tested
---------- DEFAULT LIBRARY ---------
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.NUMERIC_STD.ALL;
------------------------------------
ENTITY KittCar IS
GENERIC (
CLK_PERIOD_NS : POSITIVE RANGE 1 TO 100 := 10; -- clk period in nanoseconds
MIN_KITT_CAR_STEP_MS : POSITIVE RANGE 1 TO 2000 := 1; -- Minimum step period in milliseconds (i.e., value in milliseconds of Delta_t)
NUM_OF_SWS : INTEGER RANGE 1 TO 16 := 16; -- Number of input switches
NUM_OF_LEDS : INTEGER RANGE 1 TO 16 := 16 -- Number of output LEDs
);
PORT (
------- Reset/Clock --------
reset : IN STD_LOGIC;
clk : IN STD_LOGIC;
----------------------------
-------- LEDs/SWs ----------
sw : IN STD_LOGIC_VECTOR(NUM_OF_SWS - 1 DOWNTO 0); -- Switches avaiable on Basys3
led : OUT STD_LOGIC_VECTOR(NUM_OF_LEDS - 1 DOWNTO 0) -- LEDs avaiable on Basys3
----------------------------
);
END KittCar;
ARCHITECTURE Behavioral OF KittCar IS
CONSTANT MIN_KITT_CAR_STEP_NS : UNSIGNED(46 DOWNTO 0) := to_unsigned(MIN_KITT_CAR_STEP_MS * 1000000, 47);
SIGNAL leds_sr : STD_LOGIC_VECTOR(led'RANGE) := (OTHERS => '0');
SIGNAL n_period : UNSIGNED(sw'RANGE) := to_unsigned(1, sw'LENGTH);
SIGNAL up : STD_LOGIC := '1';
BEGIN
-- Sincronous logic
PROCESS (clk, reset)
VARIABLE counter : UNSIGNED(46 DOWNTO 0) := (OTHERS => '0');
BEGIN
IF reset = '1' THEN
leds_sr <= (OTHERS => '0');
counter := (OTHERS => '0');
ELSIF rising_edge(clk) THEN
-- Kitt logic
IF unsigned(leds_sr) = 0 THEN
leds_sr(0) <= '1';
up <= '1';
ELSIF leds_sr(led'HIGH) = '1' THEN
up <= '0';
ELSIF leds_sr(led'LOW) = '1' THEN
up <= '1';
END IF;
-- Increment the counter
counter := counter + to_unsigned(CLK_PERIOD_NS, counter'LENGTH);
-- Calculate the number of periods
IF counter >= (MIN_KITT_CAR_STEP_NS * n_period) THEN
-- Shift the leds
IF up = '1' THEN
leds_sr <= leds_sr(NUM_OF_LEDS - 2 DOWNTO 0) & '0';
ELSIF up = '0' THEN
leds_sr <= '0' & leds_sr(NUM_OF_LEDS - 1 DOWNTO 1);
END IF;
-- Reset the counter
counter := (OTHERS => '0');
END IF;
END IF;
END PROCESS;
-- Handle the switch
PROCESS (sw)
BEGIN
n_period <= unsigned(sw) + 1;
END PROCESS;
led <= leds_sr;
END Behavioral;

12
LAB1/lab1_kit_car/lab1_kit_car.srcs/sources_1/new/KittCar_v1.vhd
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@@ -1,6 +1,6 @@
-- File: KittCar_v1.vhd -- File: KittCar_v1.vhd
-- Description: Better asyncronous logic handling -- Description: Better asyncronous logic handling & unsigned n_period
-- Known problem: The counter is not working properly -- Known problem: Not yet tested
---------- DEFAULT LIBRARY --------- ---------- DEFAULT LIBRARY ---------
LIBRARY IEEE; LIBRARY IEEE;
@@ -34,16 +34,16 @@ ENTITY KittCar IS
END KittCar; END KittCar;
ARCHITECTURE Behavioral OF KittCar IS ARCHITECTURE Behavioral OF KittCar IS
CONSTANT MIN_KITT_CAR_STEP_NS : UNSIGNED(63 DOWNTO 0) := to_unsigned(MIN_KITT_CAR_STEP_MS * 1000000, 64); CONSTANT MIN_KITT_CAR_STEP_NS : UNSIGNED(46 DOWNTO 0) := to_unsigned(MIN_KITT_CAR_STEP_MS * 1000000, 47);
SIGNAL leds_sr : STD_LOGIC_VECTOR(led'RANGE) := (OTHERS => '0'); SIGNAL leds_sr : STD_LOGIC_VECTOR(led'RANGE) := (OTHERS => '0');
SIGNAL n_period : POSITIVE RANGE 1 TO (2 ** NUM_OF_SWS) := 1; SIGNAL n_period : UNSIGNED(sw'RANGE) := to_unsigned(1, sw'LENGTH);
SIGNAL up : STD_LOGIC := '1'; SIGNAL up : STD_LOGIC := '1';
BEGIN BEGIN
-- Sincronous logic -- Sincronous logic
PROCESS (clk, reset) PROCESS (clk, reset)
VARIABLE counter : UNSIGNED(63 DOWNTO 0) := (OTHERS => '0'); VARIABLE counter : UNSIGNED(46 DOWNTO 0) := (OTHERS => '0');
BEGIN BEGIN
IF reset = '1' THEN IF reset = '1' THEN
leds_sr <= (OTHERS => '0'); leds_sr <= (OTHERS => '0');
@@ -82,7 +82,7 @@ BEGIN
-- Handle the switch -- Handle the switch
PROCESS (sw) PROCESS (sw)
BEGIN BEGIN
n_period <= to_integer(unsigned(sw)) + 1; n_period <= unsigned(sw) + 1;
END PROCESS; END PROCESS;
led <= leds_sr; led <= leds_sr;