名称：基于FPGA的多路彩灯控制器VHDL代码Quartus仿真（文末获取）
软件：Quartus
语言：VHDL
代码功能：
多路彩灯控制器
综合训练内容要求
设计一台基于FPGA的多路彩灯控制器的设计。要求如下
1.彩灯从左到右逐次闪亮。然后从右到左逐次熄灭
2.彩灯两边同时亮两个,然后逐次向中间点亮
3.彩灯从左到右两个两个点亮,然后从右到左两个两个逐次点亮
4.彩灯中间两个点亮,然后同时向两边散开
5.设置节拍选择按钮,控制彩灯变化节奏
1. 工程文件
2. 程序文件
原理图
代码
3. 程序编译
4. RTL图
5. 仿真图
整体仿真图
模式1，先从左到右，再从右到左
模式2，两边同时亮2个，然后逐次向中间点亮
模式3，从左到右拉高点亮，再从右到左两个点亮
模式4，中间2个点亮，再向两边散开
分频模块
控制模块
部分代码展示:
LIBRARY ieee; USE ieee.std_logic_1164.all; USE ieee.std_logic_unsigned.all; --彩灯控制模块 ENTITY caideng_ctrl IS PORT ( clk_div : IN STD_LOGIC;--控制时钟 reset_p : IN STD_LOGIC;--高电平复位 led : OUT STD_LOGIC_VECTOR(7 DOWNTO 0)--输出灯 ); END caideng_ctrl; ARCHITECTURE ctrl OF caideng_ctrl IS --中间信号 SIGNAL led_buf : STD_LOGIC_VECTOR(7 DOWNTO 0) := "00000000"; SIGNAL state_count : STD_LOGIC_VECTOR(7 DOWNTO 0) := "00000000";--状态计数器 BEGIN PROCESS (clk_div, reset_p) BEGIN IF (reset_p = '1') THEN--复位清零 state_count <= "00000000"; ELSIF (clk_div'EVENT AND clk_div = '1') THEN IF (state_count = "00100101") THEN state_count <= "00000000";--运行结束后循环 ELSE state_count <= state_count + "00000001";--计数 END IF; END IF; END PROCESS; led<=led_buf; PROCESS (clk_div, reset_p) BEGIN IF (reset_p = '1') THEN--复位清零 led_buf <= "00000000"; ELSIF (clk_div'EVENT AND clk_div = '1') THEN CASE state_count IS --模式1，先从左到右，再从右到左 WHEN "00000000" => led_buf <= "10000000"; WHEN "00000001" => led_buf <= "11000000"; WHEN "00000010" => led_buf <= "11100000"; WHEN "00000011" => led_buf <= "11110000"; WHEN "00000100" => led_buf <= "11111000"; WHEN "00000101" => led_buf <= "11111100"; WHEN "00000110" => led_buf <= "11111110"; WHEN "00000111" => led_buf <= "11111111"; WHEN "00001000" => led_buf <= "11111110"; WHEN "00001001" => led_buf <= "11111100"; WHEN "00001010" => led_buf <= "11111000"; WHEN "00001011" => led_buf <= "11110000"; WHEN "00001100" => led_buf <= "11100000"; WHEN "00001101" => led_buf <= "11000000"; WHEN "00001110" => led_buf <= "10000000"; WHEN "00001111" => led_buf <= "00000000"; --模式2，两边同时亮2个，然后逐次向中间点亮 WHEN "00010000" => led_buf <= "10000001"; WHEN "00010001" => led_buf <= "11000011"; WHEN "00010010" => led_buf <= "11100111"; WHEN "00010011" => led_buf <= "11111111"; --模式3，从左到右拉高点亮，再从右到左两个点亮 WHEN "00010100" => led_buf <= "11000000"; WHEN "00010101" => led_buf <= "01100000"; WHEN "00010110" => led_buf <= "00110000"; WHEN "00010111" => led_buf <= "00011000"; WHEN "00011000" => led_buf <= "00001100"; WHEN "00011001" => led_buf <= "00000110";
源代码
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