Verilog-HDL洗衣机控制器.doc

定义5种状态，零停机、一设定时间、二漂洗、三洗涤、四脱水，要求设定时间给漂洗，漂洗正反转各10秒，洗涤正反转各5秒，脱水正反转各1秒，有一个设定时间键，有一个切换模式键，四种工作状态分别有四个LED显示。mod 切换模式，一共有停机s0,调整时间s1，漂洗s2，洗涤s3，脱水s4，共五种状态add 为调整时间累加,最后赋给timecountpiaocount 是漂洗计数xicount是洗涤计数tuocount是脱水计数zheng表示电机正转fan表示电机反转module wash(mod,add,led1,led2,led3,led4,clk,zheng,fan);input mod,add,clk;output led1,led2,led3,led4,zheng,fan;reg led1,led2,led3,led4;reg zheng,fan;reg 9:0 timecount,counter;reg 4:0 piaocount,xicount,tuocount;reg 2:0 state;parameter s0=3b000;parameter s1=3b001;parameter s2=3b010;parameter s3=3b011;parameter s4=3b100;always (posedge add) begin if(counter600) counter=counter+10d60; else counter=0; end always (posedge clk)begin begin zheng=0; fan=0; end case(state) s0: begin zheng=0;fan=0; timecount=0; led1=1b0; led2=1b0; led3=1b0; led4=1b0; piaocount=5b00000; xicount=5b00000; tuocount=5b00000; if(mod) state=s1; else state=s0; end s1:begin led1=1b1; led2=1b0; led3=1b0; led4=1b0; begin timecount=counter; end if(mod) state=s2; else state=s1; end s2:begin led1=1b0; led2=1b1; led3=1b0; led4=1b0; piaocount=5b00000; xicount=5b00000; tuocount=5b00000; if(mod) state=s3; else state=s2; begin piaocount=piaocount+1b1; if(piaocount=5b01010) piaocount=5b00101) begin zheng=1b1;fan=1b0; end else begin zheng=1b0;fan=1b1; end end end s3:begin led1=1b0; led2=1b0; led3=1b1; led4=1b0; piaocount=5b00000; xicount=5b00000; tuocount=5b00000; if(mod) state=s4; else state=s3; begin xicount=xicount+1b1; if(xicount=5b10100) xicount=5b01010) begin zheng=1b1;fan=1b0; end else begin zheng=1b0;fan=1b1; end end end s4:begin led1=1b0; led2=1b0; led3=1b0; led4=1b1; piaocount=5b00000; xicount=5b00000; tuocount=5b00000; if(mod) state=s0; else state=s4; begin tuocount=tuocount+1b1; if(tuocount=5b00010) tuocount=4b00001) begin zheng=1b1;fan=1b0; end el