自动售货机设计VHDL代码Quartus仿真

名称：自动售货机设计VHDL代码Quartus仿真

软件：Quartus

语言：VHDL

代码功能：

自动售货机

一台售货机：售货机中有一种商品(价格10元)

1、当顾客取消购买时退钱；

2、当顾客刚好放入10元并确定时吐出商品；

3、当顾客放入5元时等待继续投币；

4、当顾客放入15元且确定时吐出商品并找零。

在quartus II上用vhdl语言

FPGA代码Verilog/VHDL代码资源下载：www.hdlcode.com

演示视频：

设计文档：

1. 工程文件

2. 程序文件

3. 程序编译

4. RTL图

5. 仿真图

整体仿真图

按键模块仿真图

控制模块仿真图

显示模块仿真图

部分代码展示:

LIBRARY?ieee;
???USE?ieee.std_logic_1164.all;
--顶层模块
ENTITY?auto_sell?IS
???PORT?(
??????clk_in????????:?IN?STD_LOGIC;--时钟
??????reset_n???????:?IN?STD_LOGIC;--复位
??????confirm_key_n??:?IN?STD_LOGIC;--确认按键
??????cancel_key_n???:?IN?STD_LOGIC;--取消按键
??????coin_5_n???????:?IN?STD_LOGIC;--投币5元
coin_10_n??????:?IN?STD_LOGIC;--投币10元
??????buy_succeed????:?OUT?STD_LOGIC;--购买成功
??????bit_select?????:?OUT?STD_LOGIC_VECTOR(3?DOWNTO?0);--数码管位选
??????seg_select?????:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0)--数码管段选
???);
END?auto_sell;
ARCHITECTURE?bahave?OF?auto_sell?IS
--售货控制模块
component?sell_ctrl?IS
???PORT?(
??????clk????????????:?IN?STD_LOGIC;
??????reset_n????????:?IN?STD_LOGIC;
??????confirm_p??????:?IN?STD_LOGIC;
??????concel_p???????:?IN?STD_LOGIC;
??????coin_5_p???????:?IN?STD_LOGIC;
coin_10_p??????:?IN?STD_LOGIC;--投币10元
??????buy_succeed????:?OUT?STD_LOGIC;
??????input_money????:?OUT?STD_LOGIC_VECTOR(3?DOWNTO?0);
??????refound_money??:?OUT?STD_LOGIC_VECTOR(3?DOWNTO?0)
???);
END?component;
--按键下降沿检测模块
component?key_jitter?IS
???PORT?(
??????clkin????????:?IN?STD_LOGIC;
??????key_in???????:?IN?STD_LOGIC;
??????key_negedge??:?OUT?STD_LOGIC
???);
END?component;
--显示模块
component?display?IS
???PORT?(
??????clk????????????:?IN?STD_LOGIC;
??????input_money????:?IN?STD_LOGIC_VECTOR(3?DOWNTO?0);
??????refound_money??:?IN?STD_LOGIC_VECTOR(3?DOWNTO?0);
??????bit_select?????:?OUT?STD_LOGIC_VECTOR(3?DOWNTO?0);
??????seg_select?????:?OUT?STD_LOGIC_VECTOR(7?DOWNTO?0)
???);
END?component;
???SIGNAL?input_money???????:?STD_LOGIC_VECTOR(3?DOWNTO?0);
???SIGNAL?refound_money?????:?STD_LOGIC_VECTOR(3?DOWNTO?0);???
SIGNAL?coin_5_p:?STD_LOGIC;
SIGNAL?coin_10_p:?STD_LOGIC;
???SIGNAL?confirm_p?????????:?STD_LOGIC;
???SIGNAL?concel_p??????????:?STD_LOGIC;
???SIGNAL?buy_succeed_buf?:?STD_LOGIC;
???SIGNAL?bit_select_buf??:?STD_LOGIC_VECTOR(3?DOWNTO?0);
???SIGNAL?seg_select_buf??:?STD_LOGIC_VECTOR(7?DOWNTO?0);
BEGIN
???buy_succeed?<=?buy_succeed_buf;
???bit_select?<=?bit_select_buf;
???seg_select??clk_in,
?????????key_in???????=>?confirm_key_n,
?????????key_negedge??=>?confirm_p
??????);
???
???
--按键下降沿检测模块??
???i2_key_jitter?:?key_jitter
??????PORT?MAP?(
?????????clkin????????=>?clk_in,
?????????key_in???????=>?cancel_key_n,
?????????key_negedge??=>?concel_p
??????);
???
--按键下降沿检测模块
???i3_key_jitter?:?key_jitter
??????PORT?MAP?(
?????????clkin????????=>?clk_in,
?????????key_in???????=>?coin_5_n,
?????????key_negedge??=>?coin_5_p
??????);

点击链接获取代码文件：http://www.hdlcode.com/index.php?m=home&c=View&a=index&aid=1310