From 52af51ac18e61aaab7c7b9a218ebd94dab15ed74 Mon Sep 17 00:00:00 2001
From: Davide <davidecavagnola@gmail.com>
Date: Wed, 19 Mar 2025 17:22:21 +0100
Subject: [PATCH] remove KittCar_v1.1.vhd

---
 .../sources_1/new/KittCar_v1.1.vhd            | 90 -------------------
 .../sources_1/new/KittCar_v1.vhd              | 12 +--
 2 files changed, 6 insertions(+), 96 deletions(-)
 delete mode 100644 LAB1/lab1_kit_car/lab1_kit_car.srcs/sources_1/new/KittCar_v1.1.vhd

diff --git a/LAB1/lab1_kit_car/lab1_kit_car.srcs/sources_1/new/KittCar_v1.1.vhd b/LAB1/lab1_kit_car/lab1_kit_car.srcs/sources_1/new/KittCar_v1.1.vhd
deleted file mode 100644
index 2b25a62..0000000
--- a/LAB1/lab1_kit_car/lab1_kit_car.srcs/sources_1/new/KittCar_v1.1.vhd
+++ /dev/null
@@ -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;
\ No newline at end of file
diff --git a/LAB1/lab1_kit_car/lab1_kit_car.srcs/sources_1/new/KittCar_v1.vhd b/LAB1/lab1_kit_car/lab1_kit_car.srcs/sources_1/new/KittCar_v1.vhd
index 3c1d5e7..2b25a62 100644
--- a/LAB1/lab1_kit_car/lab1_kit_car.srcs/sources_1/new/KittCar_v1.vhd
+++ b/LAB1/lab1_kit_car/lab1_kit_car.srcs/sources_1/new/KittCar_v1.vhd
@@ -1,6 +1,6 @@
 -- File:            KittCar_v1.vhd
--- Description:     Better asyncronous logic handling
--- Known problem:   The counter is not working properly
+-- Description:     Better asyncronous logic handling & unsigned n_period
+-- Known problem:   Not yet tested
 
 ---------- DEFAULT LIBRARY ---------
 LIBRARY IEEE;
@@ -34,16 +34,16 @@ ENTITY KittCar IS
 END KittCar;
 
 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 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';
 BEGIN
 
     -- Sincronous logic
     PROCESS (clk, reset)
-        VARIABLE counter : UNSIGNED(63 DOWNTO 0) := (OTHERS => '0');
+        VARIABLE counter : UNSIGNED(46 DOWNTO 0) := (OTHERS => '0');
     BEGIN
         IF reset = '1' THEN
             leds_sr <= (OTHERS => '0');
@@ -82,7 +82,7 @@ BEGIN
     -- Handle the switch
     PROCESS (sw)
     BEGIN
-        n_period <= to_integer(unsigned(sw)) + 1;
+        n_period <= unsigned(sw) + 1;
     END PROCESS;
 
     led <= leds_sr;