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l )eaIOyk F=lj$?4{ FPGA之verilog静态数码管小程序 SQRz8,sqkw s7gf7E#Y +1A<kJ module shumaguan0_9( U4/$4.'NQ clk, p_N=V. w rst_n, TMs\#
conlig, //位选信号 X> KsbOZ dataout //数码管控制信号,由低到高依次为dp,a,b,c,d,e,f,g T}LJkS~*l ); CF4y$aC# @J)vuGS input clk; jP]'gQ!-w input rst_n; 7~f l4* output[3:0] conlig; >.A:6 output[7:0] dataout; L~zet-3UNf s!\L1E reg[3:0] conlig; a+Nd%hoe reg[7:0] dataout;
YDL)F<Y reg[25:0] cnt; 60$
D[?|\? always@(posedge clk or negedge rst_n)begin W>49,A,q if(rst_n == 0)begin ]y$C6iUY* cnt <= 0; f#+ h_1# end h)8_sC else if(cnt == 49_999_999)begin Hs` ']( cnt <= 0; e76)z;' end .})8gL7V else begin Li^V?
cnt <= cnt+1; XUHY.M end }8e%s;C end ]QQ"7_+ BcWReyO<M always@(posedge clk or negedge rst_n)begin ,%^0 4sl if(rst_n == 0)begin pQi - conlig <= 4'b1110; .?TVBbc%5 end cR} =3|t else begin x@ )u:0 conlig <= conlig; .BvV[`P end h:wD
&Fh8 end 3WHH3co[ y.2 SHn0 always@(posedge clk or negedge rst_n)begin 8Sa<I.l if(rst_n == 0)begin (@9-"W dataout <= 8'b1000_0000; Z$@Nzza- end $Re
%+2c else if(cnt == 49_999_999)begin aDESO5 if(dataout == 8'b1000_0000)begin !k)
?H*
^@ dataout <= 8'b1111_0011; 1+Oo Qs end <T>f@Dn, else if(dataout == 8'b1111_0011)begin ;8UHPDnst dataout <= 8'b0100_1001; H{If\B%1t end n@f@-d$m\< else if(dataout == 8'b0100_1001)begin pe8MG(V dataout <= 8'b0110_0001; f32nO end e"Z~%,^A else if(dataout == 8'b0110_0001)begin (msJ:SG dataout <= 8'b0011_0011; U.\kAEJ end ,h"M{W$ else if(dataout == 8'b0011_0011)begin Zx6BK=4G dataout <= 8'b0010_0101; |dO1w.x/ end sE% n=Ww else if(dataout == 8'b0010_0101)begin \W4SZR%u dataout <= 8'b0000_0101; G7u7x?E:B` end 2B|3`trY4x else if(dataout == 8'b0000_0101)begin U}NNbGQj dataout <= 8'b1111_0001; TA*49Qp end | jlR], else if(dataout == 8'b1111_0001)begin SRMy#j- dataout <= 8'b0000_0001; C M(g4fh end x~
I cSt else if(dataout == 8'b0000_0001)begin I>:'5V dataout <= 8'b0010_0001; mY-r: end xf |=n else if(dataout == 8'b0010_0001)begin Bi]%bl>% dataout <= 8'b1000_0000; &"=inkh end 6d,"GT else begin 'O
CVUF, dataout <= dataout; D+RG,8Ht end :wMZ&xERDZ end l-5-Tf&j end ],#9L
endmodule
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