代码功能通过sw控制LED灯设计和实现 计算机专业

代码 1 功能:通过 sw 控制 LED 灯module test001(SW,LEDR,LEDG);input[17:0] SW;//sw[17]output[17:0] LEDR;output reg[7:0] LEDG;//assign LEDRG[7:3]=5'B00000;assign LEDR=SW;always@(SW)begin case(SW[17:15]) 3'b000:LEDG=SW[2:0]; 3'b001:LEDG=SW[5:3]; 3'b010:LEDG=SW[8:6]; 3'b011:LEDG=SW[11:9]; 3'b100:LEDG=SW[14:12]; default:LEDG=8'B00000000; endcaseendendmodule代码 2: sw 输入两个 8 位数,乘积在 7 段管上显示module test004(SW,HEX0,HEX1,HEX2,HEX3,HEX4,HEX5,HEX6,HEX7);input[17:0] SW;output[6:0] HEX0,HEX1,HEX2,HEX3,HEX4,HEX5,HEX6,HEX7;wire[15:0] mult;assign mult=SW[15:8]*SW[7:0];assign {HEX7,HEX6,HEX5,HEX4}={decodeout(SW[7:4]),decodeout(SW[3:0]),decodeout(SW[15:12]),decodeout(SW[11:8])};assign {HEX3,HEX2,HEX1,HEX0}={decodeout(mult[15:12]),decodeout(mult[11:8]),decodeout(mult[7:4]),decodeout(mult[3:0])};function[6:0] decodeout;input[3:0] ina;case(ina) 4'b0000:decodeout=7'b1000000;//0 4'b0001:decodeout=7'b1111001; 4'b0010:decodeout=7'b0100100; 4'b0011:decodeout=7'b0110000; 4'b0100:decodeout=7'b0011001; 4'b0101:decodeout=7'b0010010; 4'b0110:decodeout=7'b0000010; 4'b0111:decodeout=7'b1111000; 4'b1000:decodeout=7'b0000000; 4'b1001:decodeout=7'b0010000;//9 4'b1010:decodeout=7'b0001000;//a 4'b1011:decodeout=7'b0000011;//b 4'b1100:decodeout=7'b1000110;//c 4'b1101:decodeout=7'b0100001;//d 4'b1110:decodeout=7'b0000110;//e 4'b1111:decodeout=7'b0001110;//f default:decodeout=7'b1111111;endcaseendfunctionendmodule代码 3:sw 输入 16 位数,以十进制在 7 段管上显示module test003(SW,HEX7,HEX6,HEX5,HEX4,HEX3,HEX2,HEX1,HEX0);input[17:0] SW;output[6:0] HEX7,HEX6,HEX5,HEX4,HEX3,HEX2,HEX1,HEX0;assign HEX0=decodeout(SW%18'd10);assign HEX1=decodeout((SW/18'd10)%18'd10);assign HEX2=decodeout((SW/18'd100)%18'd10);assign HEX3=decodeout((SW/18'd1000)%18'd10);assign HEX4=decodeout((SW/18'd10000)%18'd10);assign HEX5=decodeout((SW/18'd100000)%18'd10);assign HEX6=decodeout((SW/28'd1000000)%18'd10);assign HEX7=decodeout((SW/28'd10000000)%18'd10);...