FPGA交通燈仿真及代碼

-.z.控制模塊設(shè)計(jì)`timescale1ns/1nsmoduleM_control(clk,rst,Leds,S_M,G_M,S_B,G_B);inputrst,clk;//Timeclockandresetoutput[7:0]Leds;//mainroadlightsLRYG,BranchlightsLRYG.output[3:0]S_M,G_M,S_B,G_B;//S_MmainroadshiweiG_Mismainrodgewei//S_BmainroadshiweiG_Bismainrodgeweireg[7:0]Leds;reg[3:0]S_M,G_M,S_B,G_B;reg[7:0]state;//S1"S2...S8reg[6:0]count1,count2;//count1main,roadcount2branchparameterS1=8'b0_0_0_0_0_0_0_1,S2=8'b0_0_0_0_0_0_1_0,S3=8'b0_0_0_0_0_1_0_0,S4=8'b0_0_0_0_1_0_0_0,S5=8'b0_0_0_1_0_0_0_0,S6=8'b0_0_1_0_0_0_0_0,S7=8'b0_1_0_0_0_0_0_0,S8=8'b1_0_0_0_0_0_0_1;//-------------------------------------------------------------------always(posedgeclkorposedgerst)beginif(rst)beginS_M<=0;G_M<=0;S_B<=0;G_B<=0;state<=S1;Leds<=8'b00010100;count1<=44;count2<=64;endelsebegincase(state)S1:if(count1==0)beginstate<=S2;Leds<=8'b00100100;//mainroadyellowbranchredcount1<=4;count2<=count2-1;endelsebegincount1<=count1-1;count2<=count2-1;endS2:if(count1==0)beginstate<=S3;Leds<=8'b10000100;//mainroadTurnLeftbranchredcount1<=9;count2<=count2-1;endelsebegincount1<=count1-1;count2<=count2-1;endS3:if(count1==0)beginstate<=S4;Leds<=8'b00100100;//mainroadyellowbranchredcount1<=4;count2<=count2-1;endelsebegincount1<=count1-1;count2<=count2-1;endS4:if(count1==0&&count2==0)beginstate<=S5;Leds<=8'b01000001;//mainroadredbranchgreencount1<=59;count2<=19;endelsebegincount1<=count1-1;count2<=count2-1;endS5:if(count2==0)beginstate<=S6;Leds<=8'b01000010;//mainroadredbranchyellowcount1<=count1-1;count2<=4;endelsebegincount1<=count1-1;count2<=count2-1;endS6:if(count2==0)beginstate<=S7;Leds<=8'b01001000;//mainroadredbranchturnleftcount1<=count1-1;count2<=9;endelsebegincount1<=count1-1;count2<=count2-1;endS7:if(count2==0)beginstate<=S8;Leds<=8'b01000010;//mainroadredbranchyellowcount1<=count1-1;count2<=4;endelsebegincount1<=count1-1;count2<=count2-1;endS8:if(count1==0&&count2==0)beginstate<=S1;Leds<=8'b00010100;//mainroadgreenbranchredcount1<=44;count2<=64;endelsebegincount1<=count1-1;count2<=count2-1;enddefault:beginstate<=S1;Leds<=8'b00010100;//mainroadgreenbranchredcount1<=44;count2<=64;endendcaseendendalways(posedgeclk)beginS_M<=count1/10;G_M<=count1%10;S_B<=count2/10;G_B<=count2%10;endendmodule顯示模塊源代碼`timescale1ns/1nsmodule*ianshi(clk,rst,S_M,G_M,S_B,G_B,sel1,sel2,sel3,sel4);inputclk,rst;input[3:0]S_M,G_M,S_B,G_B;output[6:0]sel1,sel2,sel3,sel4;reg[6:0]sel1,sel2,sel3,sel4;always(posedgerstorposedgeclk)beginif(rst) beginsel1=7'b0000000; sel2=7'b0000000; sel3=7'b0000000; sel4=7'b0000000; end else begincase(S_M)4'b0000:sel1=7'b1111110;4'b0001:sel1=7'b0110000;4'b0010:sel1=7'b1101101;4'b0011:sel1=7'b1111001;4'b0100:sel1=7'b0110011;4'b0101:sel1=7'b1011011;4'b0110:sel1=7'b1011111;4'b0111:sel1=7'b1110000;4'b1000:sel1=7'b1111111;4'b1001:sel1=7'b1111011;default:sel1=7'b1111110;endcase case(G_M)4'b0000:sel2=7'b1111110;4'b0001:sel2=7'b0110000;4'b0010:sel2=7'b1101101;4'b0011:sel2=7'b1111001;4'b0100:sel2=7'b0110011;4'b0101:sel2=7'b1011011;4'b0110:sel2=7'b1011111;4'b0111:sel2=7'b1110000;4'b1000:sel2=7'b1111111;4'b1001:sel2=7'b1111011;default:sel2=7'b1111110; endcasecase(S_B)4'b0000:sel3=7'b1111110;4'b0001:sel3=7'b0110000;4'b0010:sel3=7'b1101101;4'b0011:sel3=7'b1111001;4'b0100:sel3=7'b0110011;4'b0101:sel3=7'b1011011;4'b0110:sel3=7'b1011111;4'b0111:sel3=7'b1110000;4'b1000:sel3=7'b1111111;4'b1001:sel3=7'b1111011;default:sel3=7'b1111110;endcase case(G_B)4'b0000:sel4=7'b1111110;4'b0001:sel4=7'b0110000;4'b0010:sel4=7'b1101101;4'b0011:sel4=7'b1111001;4'b0100:sel4=7'b0110011;4'b0101:sel4=7'b1011011;4'b0110:sel4=7'b1011111;4'b0111:sel4=7'b1110000;4'b1000:sel4=7'b1111111;4'b1001:sel4=7'b1111011;default:sel4=7'b1111110;endcaseend endendmodule頂層模塊`timescale1ns/1nsmodulejiaotong(clk,rst,Leds,S_M,G_M,S_B,G_B,sel1,sel2,sel3,sel4,enable);inputclk,rst,enable;output[7:0]Leds;output[3:0]S_M,G_M,S_B,G_B;output[6:0]sel1,sel2,sel3,sel4;wire[3:0]S_M,G_M,S_B,G_B,M_B;M_controlcontrol1(.clk(clk),.rst(rst),.Leds(Leds),.S_M(S_M),.G_M(G_M),.S_B(S_B),.G_B(G_B));*ianshi*ia