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5N;xo?? 9]tW; ? FPGA之verilog静态数码管小程序 '9<8<d7? wXBd"]G)C Tpkt'|8 module shumaguan0_9( jC?l :m? clk, H,j_2JOY= rst_n, wp4
.~E conlig, //位选信号 la$%%@0/ dataout //数码管控制信号,由低到高依次为dp,a,b,c,d,e,f,g 2t{Tz}g* ); V$u:5"qu0 jr-9KxE input clk; &Fk|"f+ input rst_n; >I&s%4 output[3:0] conlig; *Id[6Z output[7:0] dataout; j*1MnP3/8Y mU||(;I reg[3:0] conlig; 6bf!v reg[7:0] dataout; =~)rT8+) reg[25:0] cnt; >29c[O"[ _Ii=3Qsf always@(posedge clk or negedge rst_n)begin ZHoYnp-~z if(rst_n == 0)begin Uhyf cnt <= 0; yRQNmR;Uy end >f|0# * else if(cnt == 49_999_999)begin qpa}6JVQ+j cnt <= 0; a785xSUV end i?mUQ'H else begin zP c54>f cnt <= cnt+1; AkO-PL end 6_tl_O7 end Q yQ[H cnG>EG always@(posedge clk or negedge rst_n)begin -`t9@1P>
= if(rst_n == 0)begin MdTu722 conlig <= 4'b1110; 5fmQ+2AC1 end T[cJ else begin F
hyY+{% conlig <= conlig; )$*B end 4 .(5m\s! end 6hXh;-U -7Kstc- always@(posedge clk or negedge rst_n)begin =<ht@-1 if(rst_n == 0)begin Vk76cV
D dataout <= 8'b1000_0000; : 'pK end Ngm/5Lc else if(cnt == 49_999_999)begin '68#7Hs. if(dataout == 8'b1000_0000)begin |H5$VSw dataout <= 8'b1111_0011; =xb/zu( end ?dCJv_w else if(dataout == 8'b1111_0011)begin #wh[F"zX dataout <= 8'b0100_1001; t0^)Q$ end QlH[_Pi else if(dataout == 8'b0100_1001)begin H87k1^}HV dataout <= 8'b0110_0001; `+UBl\j end z`]:\j'O3" else if(dataout == 8'b0110_0001)begin Ov.oyke4 dataout <= 8'b0011_0011; !4YmaijeN end 9.6ni1a' else if(dataout == 8'b0011_0011)begin B!)Tytm9u dataout <= 8'b0010_0101; w.=rea~ end ,z+n@sUR: else if(dataout == 8'b0010_0101)begin w`zS`+4 dataout <= 8'b0000_0101; xBqZ:
BQ end 91k-os(4] else if(dataout == 8'b0000_0101)begin JbXi|OS/ dataout <= 8'b1111_0001; zIU6bMMT3u end #X?E#^6?E else if(dataout == 8'b1111_0001)begin <DEu]-'> dataout <= 8'b0000_0001; LftGA7uGJ) end e_1L J else if(dataout == 8'b0000_0001)begin l
o-
42) dataout <= 8'b0010_0001; _0Y?(} end vOtILL6 else if(dataout == 8'b0010_0001)begin N#X*
0i" dataout <= 8'b1000_0000; ]BmnE#n& end Nlu]f-i': else begin [o
6 dataout <= dataout; P|;f>*^Y end T?7++mcA end iN5[x{^t end }=u#,nDl>$ endmodule
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