多路彩灯控制器led流水灯VHDL速度可调_电路方案

名称：多路彩灯控制器 led流水灯VHDL速度可调（代码在文末付费下载）

语言：VHDL

代码功能：

使用VHDL设计彩灯控制器，共24个led灯，分为5种不同的花样，可以通过按键切换花样的变化速度。

演示视频：

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(23?DOWNTO?0)--输出灯
???);
END?caideng_ctrl;
ARCHITECTURE?ctrl?OF?caideng_ctrl?IS
???--中间信号
???SIGNAL?led_buf?????:?STD_LOGIC_VECTOR(23?DOWNTO?0)?:=?"000000000000000000000000";
???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?=?"01010001")?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?<=?"000000000000000000000000";
??????ELSIF?(clk_div'EVENT?AND?clk_div?=?'1')?THEN
?????????CASE?state_count?IS
????--模式1
????????????WHEN?"00000000"?=>
???????????????led_buf?<=?"000000000000000000000000";
????????????WHEN?"00000001"?=>
???????????????led_buf?<=?"110011100011100011000110";
????????????WHEN?"00000010"?=>
???????????????led_buf?<=?"001100111000111000111001";
????????????WHEN?"00000011"?=>
???????????????led_buf?<=?"101110001110001110011100";
????????????WHEN?"00000100"?=>
???????????????led_buf?<=?"000111000111000111001110";
????????????WHEN?"00000101"?=>
???????????????led_buf?<=?"001100011100011100011100";
????????????--模式2
WHEN?"00000110"?=>
???????????????led_buf?<=?"100000000000000000000000";
????????????WHEN?"00000111"?=>
???????????????led_buf?<=?"101000000000000000000000";
????????????WHEN?"00001000"?=>

设计文档(文档点击可下载)：

1. 工程文件