verilog自动手动换挡频率计.docx

直接上源码，不解释，自己建工程运行即可看到功能！module control(cp1024hz,started,reset,k1,k2,k3,k4,k5,k6,zero1,zero2,zero3,zero4,zero5,zero6,time_out,mode,flag_pressed,sound_en,latch_en);/yesdinput cp1024hz,started,reset;input k1,k2,k3,k4,k5,k6;/抢答的6个按键，由cp1024hz扫描是否有按键input zero1,zero2,zero3,zero4,zero5,zero6;/6个用?的分数是否为0，并将分数为0的淘汰input time_out;/倒计时已完output flag_pressed,sound_en,latch_en,mode;/是否已按键;声音控制;模式控制;输出模式reg flag_pressed,sound_en,latch_en;reg3:0 mode;always (posedge cp1024hz)beginif(!started)/当started=0时，对系统进行初始化，同时将mode置0；beginmode=0;flag_pressed=1;/利用设置这个将k1k6屏蔽sound_en=0;latch_en=0;endelsebeginif(reset)/started=1已开始，reset=1新一轮抢答beginflag_pressed=0;sound_en=0;latch_en=0;mode=7; /mode置为抢答模式endelsebeginif(time_out)beginsound_en=1;/时间完了之后，响声提示endelsebeginif(!flag_pressed & k1 & !zero1)/当started=1时，按下key1beginflag_pressed=1;sound_en=1;latch_en=1;/按键之后，产生相应电平mode=1;endelse if(started & !flag_pressed & k2 & !zero2)beginflag_pressed=1;sound_en=1;latch_en=1;/按键之后，产生相应电平mode=2;endelse if(!flag_pressed & k3 & !zero3)beginflag_pressed=1;sound_en=1;latch_en=1;/按键之后，产生相应电平mode=3;endelse if(!flag_pressed & k4 & !zero4)beginflag_pressed=1;sound_en=1;latch_en=1;/按键之后，产生相应电平mode=4;endelse if(!flag_pressed & k5 & !zero5)beginflag_pressed=1;sound_en=1;latch_en=1;/按键之后，产生相应电平mode=5;endelse if(!flag_pressed & k6 & !zero6)beginflag_pressed=1;sound_en=1;latch_en=1;/按键之后，产生相应电平mode=6;endendendendendendmodulemodule display(cp1024hz,mode,setted_score,score1,score2,score3,score4,score5,score6,time_countdown,disp);/yesdinput cp1024hz;input3:0 mode,time_countdown;/从time_count引出input7:0 setted_score,score1,score2,score3,score4,score5,score6;output disp;reg 3:0mode_disp;reg7:0 disp;always (posedge cp1024hz)begincase(mode)4b0000 : disp=setted_score;4b0001 : disp=score1;4b0010 : disp=score2;4b0011 : disp=score3;4b0100 : disp=score4;4b0101 : disp=score5;4b0110 : disp=score6;4b0111 :begindisp3:0=time_countdown;disp7:4=0;end default : disp=setted_score;endcaseendendmodulemodule mode_latch_change(cp1024hz,started,flag_pressed,latch_clk,up_clk,down_clk,mode_in,mode_out);input cp1024hz,started,flag_pressed;/yesdinput latch_clk;/锁存mode的信号input up_clk,down_clk;/设置mode按键，上调和下调input3:0mode_in;/从control的mode输出引进output mode_out;reg3:0 mode_out;reg up_clk1,down_clk1,latch_clk1;always (posedge cp1024hz)begin up_clk1=up_clk; down_clk1=down_clk; latch_clk1=latch_clk;endwire up_clk2,down_clk2,latch_clk2;/对输入的信号的变化，便于cp1024hz的脉冲捕获assign up_clk2=up_clk1&(up_clk);assign down_clk2=down_clk1&(down_clk);assign latch_clk2=latch_clk1&(latch_clk);always (posedge cp1024hz)beginif(!started)/started=0,设置分数模式，mode_out=mode_in=0;beginmode_out=0;endelse/正常工作beginif(!flag_pressed)/抢答模式beginmode_out=mode_in;endelse if(latch_clk2)/锁存模式beginmode_out=6)beginmode_out=0;endelsebeginmode_out=mode_out+1;endendelse if(flag_pressed & down_clk2)/查看各个分数，mode减计数beginif(mode_out=0)beginmode_out=6;endelsebeginmode_out=mode_out-1;endendelsebegin/mode_out=mode_in;endendendendmodulemodule restart(cp1024hz,start_clk,started);/started=0设置初始分数,started=1开始工作input cp1024hz,start_clk;/yesdoutput started;reg started;reg start_clk1;always (posedge cp1024hz)beginstart_clk1=start_clk;endwire start_clk2;assign start_clk2=start_clk1&(start_clk);/变换start_clk信号，防止抖动以及便于cp1024hz扫描always (posedge cp1024hz)/start正常工作抢答_clk翻转,started翻转，为0时设置分数，为1时beginif(start_clk2)beginstarted=started;endendendmodulemodule score_count(cp1024hz,started,reset,mode,time_out,right_key,wrong_key,setted_score,score1,score2,score3,score4,score5,score6,zero1,zero2,zero3,zero4,zero5,zero6);/yesdinput cp1024hz,started,reset;input time_out;/时间完了之后却没有是抢答input right_key,wrong_key;/每次抢答之后主持人用于判断抢答者回答是否正确，从而设置分数input3:0 mode;/从control的mode输出引进input7:0 setted_score;/mode=0时设置的厨师分数output score1,score2,score3,score4,score5,score6;/各玩家分数output zero1,zero2,zero3,zero4,zero5,zero6;/玩家分数是否为0reg zero1,zero2,zero3,zero4,zero5,zero6;reg 7:0score1,score2,score3,score4,score5,score6;reg right1,wrong1;always (posedge cp1024hz)beginright1=right_key;wrong1=wrong_key;endwire right2,wrong2;/将判断回答对错的信号变换，消除抖动以及便于扫描识别assign right2=right1&(right_key);assign wrong2=wrong1&(wrong_key);reg temp_flag;/用于消除多次判断回答对错，防止扣分错误always (posedge cp1024hz)beginif(!started)/设置分数时，对各个玩家分数初始化beginscore1=setted_score;score2=setted_score;score3=setted_score;score4=setted_score;score5=setted_score;score6=setted_score;zero1=0;zero2=0;zero3=0;zero4=0;zero5=0;zero6=0;temp_flag=0;endelse/started=1,正常工作模式beginif(reset)/reset之后初始化参数begintemp_flag=0;endelse/进行回答判断beginif(!time_out & !temp_flag & wrong2)/回答错误，减1分begintemp_flag=1)beginscore13:0=9;score17:4=score17:4-1;endelse if(score13:0=1 & score17:4=0)beginscore17:0=0;zero1=1;/玩家1的分数减少到0，淘汰endelsebeginif(score17:0!=0)beginscore13:0=1)beginscore23:0=9;score27:4=score27:4-1;endelse if(score23:0=1 & score27:4=0)beginscore27:0=0;zero2=1;endelsebeginif(score27:0!=0)beginscore23:0=1)beginscore33:0=9;score37:4=score37:4-1;endelse if(score33:0=1 & score37:4=0)beginscore37:0=0;zero3=1;endelsebeginif(score37:0!=0)beginscore33:0=1)beginscore43:0=9;score47:4=score47:4-1;endelse if(score43:0=1 & score47:4=0)beginscore47:0=0;zero4=1;endelsebeginif(score47:0!=0)beginscore43:0=1)beginscore53:0=9;score57:4=score57:4-1;endelse if(score53:0=1 & score57:4=0)beginscore57:0=0;zero5=1;endelsebeginif(score57:0!=0)beginscore53:0=1)beginscore63:0=9;score67:4=score67:4-1;endelse if(score63:0=1 & score67:4=0)beginscore67:0=0;zero6=1;endelsebeginif(score67:0!=0)beginscore63:0=score63:0-1;endendenddefault : ;endcaseendif(!time_out & !temp_flag & right2)/回答正确，相应加1分begintemp_flag=1;case(mode)4b0001 : /玩家1if(score13:0=9)beginscore13:0=0;score17:4=score17:4+1;endelsebeginscore13:0=score13:0+1;end4b0010 : /玩家2if(score23:0=9)beginscore23:0=0;score27:4=score27:4+1;endelsebeginscore23:0=score23:0+1;end4b0011 : /玩家3if(score33:0=9)beginscore33:0=0;score37:4=score37:4+1;endelsebeginscore33:0=score33:0+1;end4b0100 : /玩家4if(score43:0=9)beginscore43:0=0;score47:4=score47:4+1;endelsebeginscore43:0=score43:0+1;end4b0101 : /玩家5if(score53:0=9)beginscore53:0=0;score57:4=score57:4+1;endelsebeginscore53:0=score53:0+1;end4b0110 : /玩家6if(score63:0=9)beginscore63:0=0;score67:4=score67:4+1;endelsebeginscore63:0=score63:0+1;enddefault : ;endcaseendendendendendmodulemodule set_score(cp1024hz,started,set_up,set_down,setted_score);/抢答前设置玩家分数yesinput cp1024hz,started,set_up,set_down;output setted_score;reg 7:0setted_score;reg cp_up,cp_down;always (posedge cp1024hz)begin cp_up =set_up; cp_down =set_down;endwire cp_up_pos,cp_down_pos;assign cp_up_pos=cp_up&(set_up);assign cp_down_pos=cp_down&(set_down) ;/设置分数的cp，防止抖动always (posedge cp1024hz) /设置初始分数beginif(!started) /当stared=0,设置模式，开始设置分数beginif(cp_up_pos&(!cp_down_pos) /加分设置beginif(setted_score3:0=9)beginsetted_score3:0=0;if(setted_score7:4=9)beginsetted_score7:4=0;endelsebeginsetted_score7:4=setted_score7:4+1;endendelsebeginsetted_score3:0=setted_score3:0+1;endendelse if(!cp_up_pos)&cp_down_pos) /减分设置beginif(setted_score3:0=0)beginsetted_score3:0=9;if(setted_score7:4=0)beginsetted_score7:4=9;endelsebeginsetted_score7:4=setted_score7:4-1;endendelsebeginsetted_score3:0=setted_score3:0-1;endendendendendmodulemodule sound_alarm(reset,sound_en,cp1024hz,time_less_alarm,alarm);/yesdinput reset,sound_en,cp1024hz;input time_less_alarm;output alarm;reg 9:0 temp_count;reg temp;always (posedge cp1024hz)/（包括倒计时完，已抢答两种情况的声音提示）beginif(reset)/对中间变量进行初始化begintemp=1;temp_count=0;endif(sound_en=1)beginif(temp_count=1023)/sound_en=1时，响1s钟提示begintemp=0;endelse begintemp_count=temp_count+1;endendendwire alarm_time;assign alarm_time=temp & sound_en;reg9:0 temp1;reg time_left_alarm;always (posedge cp1024hz)/时间到三秒时 提示声0.5sbeginif(reset)/对中间变量进行初始化begintemp1=1;time_left_alarm=0;endelsebeginif(time_less_alarm=0)begintemp1=0;time_left_alarm=0;endelsebegin/时间少于3s时 提示if(temp1=512)begintemp1=temp1+1;time_left_alarm=1;endelsebegintime_left_alarm=0;endendendendassign alarm=(time_left