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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: o9 r0 z* R- }( w: P4 A
軟體:MAX+plusII 10.0( _; ^$ G4 J- |4 v, B% D* a& N2 j3 `
IC:EPF10K10TC144-4 G2 K5 S7 o3 I! R% `
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/ N0 J z% o! @7 y/ d0 K
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!
7 \( v+ r3 L7 D我是初學FPGA的
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0 `7 [( D. R; Xmodule final2(CLK,seg,enable);
5 w% s. v' d3 |( minput CLK;5 i/ B: h1 Q7 }3 j
output [2:0]enable;& A0 M/ X$ s2 S* r9 T- F
output [7:0]seg;
$ L" t; I- Q Q4 ereg CLK1,CLK2,CLK3,CLK4;
0 S/ s# ~! [+ v/ }: V+ xreg [2:0]enable;2 Q: z& `* V# X. [, l4 l
reg [3:0]hex;, c# @5 V# H( {
reg [7:0]count1,count2,count3,count4,count5,seg;; |7 r% i; Z! Q& p- b }' Q
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always@(posedge CLK)+ n, s2 K; `1 |- O7 f; \
begin4 E! Z G6 E, K$ I7 t6 L
if(count1>=100)
! h9 M/ {- o2 i2 d6 ~- Y2 @, l; W begin
) T+ V, W# i# x) N8 M o2 m count1=0;
$ E. ^& n% o* J$ w$ K CLK1 = ~CLK1;
7 }2 k& w; o! I
9 {4 d: s: c& K- f" N) ?$ l
5 h) ]7 Y! F8 f* u# J: a end
, z, ^- `$ H! D$ V7 \
0 L9 T0 T; A* _$ t8 N1 Y else
9 z0 [& ?6 c5 ]3 U3 S% m" ^, D7 ^ begin3 F; m7 t& }7 e J# F
count1=count1+1;
. }! g$ s( p7 F! I end8 t$ W1 P( Y8 ?* m7 f
end7 E6 D% p' o" ~0 k: \5 G2 W
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always@(posedge CLK1)
( p$ `' G5 u) p6 r1 ebegin9 L7 L6 M0 q! z2 Z$ O E6 o, u
if(enable>=6)1 K: V. I2 c8 e: E. v$ y* k3 `9 r J
begin
! D; o: o, O, C. Q' h/ t enable=0;
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end: W) i" T% K/ O2 f
else6 [( A9 j& M0 M/ V3 R5 I* O
begin
4 K8 w3 U! ]! |; B, m" v enable=enable+1;, K' @2 a# `* W ~" q" z* |
end
- a( w3 G* C9 r' N/ Eend, m- }' d' G2 i( O
7 T% Z v3 A3 d- A1 \8 yalways@(posedge CLK1)
9 Y4 f- X( ^2 \3 j+ Q: E0 Pbegin' \/ r5 l, X& X" t& ~1 r) a" ?
if(count2>=100)1 E* X. ~$ d/ w% A6 L
begin, r0 \' B" _1 \1 R
count2=0;
) h( `+ b7 a+ P3 D' F1 r1 \ CLK2=~CLK2; * V4 G! k, v% p& d \
end
3 N3 E4 }1 v- _2 c; {4 p else if(count2<=count4)
8 Q: |; T. \9 _7 g begin
6 }! t5 O ~% B( H; E \ count2=count2+1;
# L: E9 D3 D9 k$ ]2 D) D( h case(hex)* n2 C" Z6 D0 G
4'b0000:seg=8'b00000000; //¥t·A8 K$ @3 J0 o' d7 X/ P0 C! h
4'b0001:seg=8'b00111111; //0& U0 n7 _' C3 u& C# Y
: z# q9 u1 @+ E
4'b0010:seg=8'b00000110; //1+ k' S+ a% J" |3 w1 Q
4'b0011:seg=8'b01011011; //2# t& d9 a3 k" o+ c6 Z7 C2 Z
4'b0100:seg=8'b01001111; //3; f, H l6 W1 H9 u% r" [: C
4'b0101:seg=8'b01100110; //4
$ t' @6 K* R" P. u* H' H* T 4'b0110:seg=8'b01101101; //5) S( B, c& c( g5 ]! j
4'b0111:seg=8'b01111101; //6
, ]; m5 F2 U" t- I" i, X( q$ G 4'b1000:seg=8'b00000111; //7% } Q& {1 H0 C" @9 D* ^
4'b1001:seg=8'b01111111; //8
- e; e4 P& b* q3 [' ? 4'b1010:seg=8'b01101111; //9/ x: V% q; l2 z$ |0 i7 p
default:seg=8'b00000000; //¥t·A
7 ]3 a. K2 i. \- D endcase
" K5 A0 p2 R$ A end
$ e6 u% {, O& F& q1 d( k else
7 R) l# \( b' U$ I- A' ~/ ]2 K begin
( X) _$ m. ] i8 L4 {' u count2=count2+1;
/ U* R9 E3 J9 E1 y8 a0 K seg=8'b00000000;
7 n; h" o0 B) q c6 M end
: S0 {9 h* e: F8 `
) X' \$ D( `. F& Xend
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always@(posedge CLK2)
$ A* y9 R1 b( |/ F8 S( n- ]begin( L, O0 X6 e2 O+ G! ]
if(count3>=100)8 m& {1 G5 x' Y( p5 c5 D& v
begin
+ ?6 b* t4 n. \' J count3=0;4 i; S$ A! x7 ]/ f/ u2 D" Q
CLK3=~CLK3;
k: G7 b/ X7 u9 a7 J* M 5 J- H+ |' U+ l1 A& m9 [3 _, [ x
end
. a& p2 n0 j+ C- y7 B; A, D+ u else
6 q/ Q, c8 ?* @2 N {$ l+ i W begin
( t8 g! b3 L* ?; ? count3=count3+1;! b6 d3 J3 R |$ p0 D( _
end
9 k# R- K. X: K0 @* G5 A6 t3 Iend, p4 I7 Z* K/ l. l
5 H2 Y; T/ o9 ]3 C0 Palways@(posedge CLK3)
) L$ d3 [, D6 K. h+ S$ Y" hbegin
5 R" ] P2 E* K. X7 K5 z if(hex>=4'b1011)5 [* {, J2 w- B; w! _% r+ c! t
begin
3 K3 F2 v X( K# ] hex=4'b0000;: h6 a! v4 S7 t2 Z
end- f4 g" m/ `: I% J( v; e% |/ p+ p
else( d8 t" X2 g6 G H/ h
begin
/ e" u% t0 ~4 i2 e7 A9 U3 u8 j hex=hex+1;
( ^# y0 x6 w3 `. M4 T+ S end
. C! S6 Y# K1 t6 b. N+ F" `end
# h* ^1 ~: {7 d% j
5 N! c! {. h3 v3 X+ Lalways@(posedge CLK3)2 ~' F( l$ [( j
begin$ r& O Q- j" f4 M2 b+ P
if(count4>=110) z4 u6 Y/ N c
begin8 _8 O' } I4 C& S/ s# n6 f
count4=0;) h2 \% w3 K/ o" R
CLK4=~CLK4;
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m8 ?2 J7 E1 b/ m
8 B* M& F! P& B3 C* y& Y/ H9 Z: X' K end* X" ]( @- I% U( Q2 ~
; g' V" m/ s+ \) y( j' }" Q else
9 }1 q) |$ M& R, y% _1 h begin, V$ H9 x/ l/ W6 F( t* `! C5 X
count4=count4+10;
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end+ _0 I( e6 ]1 I' ]( C
end1 Z& T, Z! @" f2 i
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$ K2 w l! p0 j6 C5 m6 u; O9 Z3 Hendmodule |
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