名稱:交通燈控制器Verilog代碼Quartus? AX301開發(fā)板
軟件:Quartus
語言:Verilog
代碼功能:
具體要求:
(1)主干道綠燈亮時,支干道紅燈亮,反之亦然,二者交替允許通行,主干道每次放行35s,支千道每次放行25s。每次由綠燈變?yōu)榧t燈的過程中,亮光的黃燈作為過渡,亮黃燈時間為5s。
(2)能實現(xiàn)正常的倒計時顯示功能。
(3)能實現(xiàn)總體清零功能:計數(shù)器山初始狀態(tài)開始計數(shù);對應狀態(tài)的指示燈亮。
(4)能實現(xiàn)特殊狀態(tài)的功能顯示:進入特殊狀態(tài)時,東西、南北路口均顯示為紅燈狀態(tài)。
FPGA代碼Verilog/VHDL代碼資源下載:www.hdlcode.com
本代碼已在AX301開發(fā)板驗證,AX301開發(fā)板如下,其他開發(fā)板可以修改管腳適配:
演示視頻:
設計文檔:
1. 工程文件
2. 程序文件
3. 程序編譯
4. RTL圖
5. 管腳分配
6. Testbench
7. 仿真圖
整體仿真圖
分頻模塊
紅綠燈控制模塊
倒計時模塊
顯示模塊
部分代碼展示:
/* 紅->綠?綠->黃?黃->紅 1、紅--計時main_red_times------------------------綠--計時main_green_times---main_yellow_times黃燈---------------紅 2、綠--計時branch_green_times---branch_yellow_times黃燈--------------------紅--計時branch_reg_times-------------------綠 */ module?traffic_light( input?clk,//50Mhz input?reset_n,//復位 input?ctrl_n,//特殊狀態(tài)控制 output?main_red,//主路紅燈 output?main_green,//主路綠燈(閃爍表示黃燈) output?branch_red,//支路紅燈 output?branch_green,//支路綠燈(閃爍表示黃燈) output?[3:0]?weixuan,//數(shù)碼管位選 output?[7:0]?duanxian//數(shù)碼管段選 ); ?wire?clk_1Hz; ?wire?[7:0]?main_green_BCD; ?wire?[7:0]?main_yellow_BCD; ?wire?[7:0]?main_red_BCD; ?wire?[7:0]?branch_green_BCD; ?wire?[7:0]?branch_yellow_BCD; ?wire?[7:0]?branch_red_BCD; ?wire?[7:0]?main_data_out; ?wire?[7:0]?branch_data_out; ?wire?clk_2Hz; ? wire?main_red_led;//主路燈 wire?main_green_led;//主路燈 wire?main_yellow_led;//主路燈 wire?branch_red_led;//支路燈 wire?branch_green_led;//支路燈 wire?branch_yellow_led;//支路燈 assign?main_red=main_red_led;//主路燈 assign?main_green=main_green_led?|?(main_yellow_led?&?clk_2Hz);//主路燈 //assign?main_yellow=main_yellow_led?&?clk_2Hz;//主路燈 assign?branch_red=branch_red_led;//支路燈 assign?branch_green=branch_green_led?|?(branch_yellow_led?&?clk_2Hz);//支路燈 //assign?branch_yellow=branch_yellow_led?&?clk_2Hz;//支路燈? //分頻模塊 div?div100 ( .?clk(clk), .?clk_out(clk_1Hz), .?clk_2Hz(clk_2Hz) ); //調(diào)整時間 wire?[7:0]main_green_time;//15~100 wire?[7:0]main_yellow_time;//3~15 wire?[7:0]branch_green_time;//15~100 wire?[7:0]branch_yellow_time;//3~15 assign?main_green_time=8'd35;//35 assign?main_yellow_time=8'd5;//5 assign?branch_green_time=8'd25;//25 assign?branch_yellow_time=8'd5;//5 /////////////////////////////// reg?[7:0]?display_main; reg?[7:0]?display_branch; //////////////////////////////// //交通燈控制模塊 led?led( .?clk_1Hz(clk_1Hz), .?reset_n(reset_n),//復位 .?ctrl_n(ctrl_n),//特殊狀態(tài)控制 .?main_red(main_red_led),//主路燈 .?main_green(main_green_led),//主路燈 .?main_yellow(main_yellow_led),//主路燈 .?branch_red(branch_red_led),//支路燈 .?branch_green(branch_green_led),//支路燈 .?branch_yellow(branch_yellow_led),//支路燈 .?main_green_time(main_green_time), .?main_yellow_time(main_yellow_time), .?branch_green_time(branch_green_time), .?branch_yellow_time(branch_yellow_time), .?main_green_BCD(main_green_BCD),//綠燈時間計數(shù) .?main_yellow_BCD(main_yellow_BCD),//黃燈時間計數(shù) .?main_red_BCD(main_red_BCD),//紅燈時間計數(shù) .?branch_green_BCD(branch_green_BCD),//綠燈時間計數(shù) .?branch_yellow_BCD(branch_yellow_BCD),//黃燈時間計數(shù) .?branch_red_BCD(branch_red_BCD)//紅燈時間計數(shù) ); //顯示數(shù)據(jù)生成模塊 shumaguan_data?shumaguan_data( .?clk(clk), .?main_red(main_red_led),//主路燈 .?main_green(main_green_led),//主路燈 .?main_yellow(main_yellow_led),//主路燈 .?branch_red(branch_red_led),//支路燈 .?branch_green(branch_green_led),//支路燈 .?branch_yellow(branch_yellow_led),//支路燈 .?main_green_BCD(main_green_BCD),//綠燈時間計數(shù) .?main_yellow_BCD(main_yellow_BCD),//黃燈時間計數(shù) .?main_red_BCD(main_red_BCD),//紅燈時間計數(shù) .?branch_green_BCD(branch_green_BCD),//綠燈時間計數(shù) .?branch_yellow_BCD(branch_yellow_BCD),//黃燈時間計數(shù) .?branch_red_BCD(branch_red_BCD),//紅燈時間計數(shù) .?main_green_time(main_green_time), .?main_yellow_time(main_yellow_time), .?branch_green_time(branch_green_time), .?branch_yellow_time(branch_yellow_time), .?main_data_out(main_data_out),//主路數(shù)碼管數(shù)據(jù)顯示 .?branch_data_out(branch_data_out)//支路數(shù)碼管數(shù)據(jù)顯示 );
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