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題目:六顆七段顯示器顯示000000~999999,然後從最暗到最亮,6個0是最暗,逐漸亮到6個9,用一個TACT(彈跳開關)去控制0-9
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1 f% d+ d' b& ?+ J2 tIC:EPF10K10TC144-49 d& Y7 h* n$ _; {
這是一個朋友的程式,其他功能都已經有了(六顆七段顯示器顯示000000~999999,然後從最暗到最亮,6個0是最暗,逐漸亮到6個9),但他是用CLK
: H7 s5 X8 T1 z' s5 [* X( _. Z自動計數(0-9),但是就是沒有辦法用TACT(彈跳開關)去控制0-9,請各位大大幫忙改一下程式!: J2 J+ m; M* d, n, C
我是初學FPGA的
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module final2(CLK,seg,enable);# I! U* @3 Q4 X# u4 ^3 Y' G
input CLK;
2 {( Q% U8 Q$ o- ]. ]# woutput [2:0]enable;, D r0 X( {+ P$ `' y& ?3 i8 }" b
output [7:0]seg;
& {7 K9 |+ D' J ]" G' o# creg CLK1,CLK2,CLK3,CLK4;9 O+ \! D' Q, U! X" C$ P1 N
reg [2:0]enable;
8 n# W! o3 w; S; I( x6 dreg [3:0]hex;7 n0 C* z1 D" e& v' y
reg [7:0]count1,count2,count3,count4,count5,seg;
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always@(posedge CLK)
8 n! i ~6 @6 H- r; W" w8 lbegin. J) g* S8 K" |1 b
if(count1>=100)
W& j7 r$ A+ ?& l- S9 r begin& s0 h% P7 V0 H0 q5 F
count1=0;
3 v* V: b# _, J) @( c CLK1 = ~CLK1;
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begin0 n C9 I: i" F( y: o5 Q4 |+ A
count1=count1+1;
8 x7 {4 c- l/ c, u end
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always@(posedge CLK1)
7 y* ^" n. t% n; ]) Lbegin
7 N& i; D, B* ~- J' { if(enable>=6)
2 U S/ i+ T$ z; T begin$ v z: O( h" V" C
enable=0;
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end
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begin: s4 }4 R) g; \! g) i
enable=enable+1;
. ?6 i0 F- w: \3 i end
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always@(posedge CLK1)- B t _4 K2 Z* t* H d* o
begin
1 V1 y: G2 n" C/ ]7 ] if(count2>=100)
) u3 A4 _; A+ b( c) J {! n5 D begin
. M9 f. r8 ?. V' b Q! n count2=0;% R" l. L$ S/ Q' K% t4 Q
CLK2=~CLK2;
4 `, ^9 C$ U* o' {, z end
6 d% q, o/ Q1 u, c/ [: n; z else if(count2<=count4) ' _3 X1 o# L3 N( i7 ~7 g
begin
7 I2 V, T! S- C( A/ N: i { count2=count2+1;
* `5 q: G# b; Y! Y. t3 K case(hex)$ k' V t& E+ x$ \8 h8 R
4'b0000:seg=8'b00000000; //¥t·A
- j# d e8 r' N# T0 u% X# z 4'b0001:seg=8'b00111111; //0) K5 @' F$ {2 m( E
* Y& o; @: C2 X 4'b0010:seg=8'b00000110; //1
1 _! ?' o, K& I; C8 a/ R- o 4'b0011:seg=8'b01011011; //2
, z, V/ c8 c x# G- B' i: V3 t2 { 4'b0100:seg=8'b01001111; //3 y2 M. \$ H" O8 |0 B" w
4'b0101:seg=8'b01100110; //4 . y4 S1 h* j9 n0 Y$ Z
4'b0110:seg=8'b01101101; //5
0 }6 q; a5 q m* {- g3 c 4'b0111:seg=8'b01111101; //67 \7 `& Y5 ] k+ W* \# V3 s" q4 w2 n
4'b1000:seg=8'b00000111; //7
% W9 R" }$ g: q# \2 B$ M 4'b1001:seg=8'b01111111; //8
: O2 V% ~; x) i; _( P( _ 4'b1010:seg=8'b01101111; //9: K/ w! F: U3 G p
default:seg=8'b00000000; //¥t·A
7 |: S7 e: D) ~1 | endcase
2 ~2 V; W8 ~0 `/ Q q" g end4 N6 s* t. t+ W2 f5 v
else
9 [1 s! n" x" q6 W begin
0 [8 t9 @0 h% ]7 g% c6 f! H [ count2=count2+1;2 Z- U/ R. F! T$ ?! J6 y. x# Y
seg=8'b00000000;
; I( W7 c/ ^ Y) X* I end
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end
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always@(posedge CLK2)
$ c# n; A8 W9 P" K7 cbegin
5 e2 T+ ^2 ~' ~( E if(count3>=100)9 D2 ]4 m" B$ l& K+ J/ p; c/ m3 F
begin
g# Y" A$ N$ ~! J8 X% i) [ count3=0;
# ~ N( S7 K( U- v7 d CLK3=~CLK3;
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end
+ N& A3 O( W4 i else) @% T i) I. o: _; E: y0 G ]% f
begin, L/ P M9 Q7 `, e' m4 d
count3=count3+1;) R$ G) a' h) [6 x% p
end
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always@(posedge CLK3)% V- s% \- e2 r8 v/ \4 C* `1 R4 G. G
begin$ s Y8 G4 K: m# t9 b% U9 `! S
if(hex>=4'b1011)
, J4 w; f D, q4 S begin9 I9 y \0 M, i- y: t
hex=4'b0000;7 I, S) N" K' _4 {$ t! E; @
end
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begin! w- Y" s. Y/ Z& L
hex=hex+1;
4 J( }4 ~. }4 K. k. G$ Z end
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l' ]" g* j+ h% I' Salways@(posedge CLK3)
* o: |1 R. ^2 \begin
4 o, ^( z7 Y) |+ C( ~! Y0 V if(count4>=110)" u! v; d1 d$ h1 s
begin
6 F, }/ i) M$ U( g! a& M0 @+ s/ f count4=0;
6 a+ c, x7 t& v; Y& |6 q% V1 x CLK4=~CLK4;
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- A, Z- q# ^( T! k) a. L, u8 K' x end& |+ b+ `# C( j0 ~4 T0 y
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else
7 }- B! {- [9 T9 r begin) v, F t" I5 a7 Z4 @9 z1 D
count4=count4+10;: X7 Z$ p2 }+ K4 ]- \: N; O
, J. [3 v) P+ d7 u) s. @5 r+ r end
/ L& |# f: u/ J% V, mend
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* Z/ e9 p8 S, Fendmodule |
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