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library ieee;0 u6 H- ^( r9 n1 G* _
use ieee.std_logic_1164.all;% P! X& }7 u' Q0 j+ S' A# x
use ieee.std_logic_unsigned.all;
9 U6 D- m5 `6 J8 g; R0 n6 G3 Mentity corna is4 J9 a; y( d- e# j
* a+ ~3 f/ r5 ^, e7 n2 O8 J
4 w/ n8 J( m# j* ^2 m' v/ z, Rport(clr,sig,door:in std_logic;3 O1 \: ^ f, x4 M2 U, h# L
alm ut std_logic;
! G t* ]+ q8 c8 C9 P& oq3,q2,q1,q0,dangut std_logic_vector(3 downto 0));
* j; g4 J8 q4 N! m% k9 zend corna;
+ n% k# c. F) u7 Q; @) q5 q% larchitecture corn_arc of corna is
, c1 J/ f: @$ Nbegin) T' p5 S) I* i3 z9 O
( s L5 l W$ R$ N4 ]process(door,sig)
b! o+ D1 ^% ^1 s
7 R) q/ l& h* L# g4 Pvariable c0,c1,c2,c3,c4,c5,c6:std_logic_vector(3 downto 0);( T. P( V3 x8 {/ A% z9 [+ ~. z
. l# O* [" t/ K2 c- c( f) |
variable x:std_logic;- |0 y- i3 M6 f/ b. l( Y
& R+ g1 {" |. t4 tbegin
! S$ {/ ~7 N2 ]6 z* O* f, oif sig’event and sig=’1’ then! ]5 \& o" k& W! A: m
7 h2 s" H* {7 F2 T5 v2 Y4 c7 H' iif door=’1’ then
5 h# r9 k; j2 U6 [; B* B, S+ V" ~0 E6 z0 y' d' b
if c0<”1001” then
9 Q8 L E, O% V# I7 \
( D3 y' |4 T gc0:=c0+1;
1 f/ p; {8 g# |' }+ {: o. U; w" a& C( q7 C& w+ y
else
, S4 q ~! c( Z' n& E* C# b8 a$ R0 z0 \ |
# P( I! w& V$ u* ?0 {c0:=”0000”;
8 c. j$ \: W' W$ b& d C* t" y
" i! x8 `. ?. P# v0 H2 K2 rif c1<”1001” then
. K: r, A p5 l5 o$ `& F' J" x+ s6 E5 n* b3 u: b
c1:=c1+1;# k2 E+ U, @$ |& E9 M8 i3 b9 K
: f, C+ c" O/ x- f Belse' ]; m" ~) g. S& d+ U* F; h
; c' j c5 P2 J
c1:=”0000”;0 ^# r2 F, A1 X
, C) x7 ^3 d9 C& h9 l1 o$ n9 y
if c2<”1001” then
2 C. ~$ ^) p+ h8 C- Z
- S4 r3 m7 J/ @3 R. B" q9 lc2:=c2+1;: D, K3 x7 E. x9 G
$ h) j! K* `% k5 P& }
3 ?! y- L4 A+ u |# Q/ Xelse
/ A1 l) v+ m" C. R$ n0 b' V. y$ |, P: N. K% Y5 E8 [3 V
c2:=”0000”;$ k6 `( u! R" i$ H5 u
: f/ r! A! K* z7 B! D' yif c3<”1001” then
3 \, `+ q0 M0 d- f: W
* x# U6 [) x9 R1 Q- \c3:=c3+1;7 D( V( C% f8 @) C' X3 b d
6 k! g/ [/ S( e2 I; M5 j2 Lelse+ {' i* J3 }! c, P' C8 |! [
3 o8 Q9 @/ F5 L5 Z- Cc3:=”0000”;
# o* s& t% v/ }& ~) }
5 D: u2 I7 r; \: }' \: g3 d! wif c4<”1001” then
: g& A" [! c# _# j7 _+ j7 k
" H- R2 ]! M0 r8 ~( b5 lc4:=c4+1;5 a/ @; N' S2 z+ U' C& w' I
5 M0 s6 x6 i+ W8 Uelse9 X. K- d* Y4 w. w7 r
0 A) ^9 E& A) Y* g, s6 Ec4:=”0000”; u3 y9 ~$ f) ^( R$ v
" h4 ~, h+ K" e* K
if c5<”1001” then
0 o1 G$ s. x9 g* I1 M, R7 Z- P4 D/ y8 d3 q7 v( M, V6 c
c5:=c5+1;
" T5 l9 H7 `2 n7 q0 ?% I) W! ^
/ }- D5 c4 h q8 v9 L
" p5 o; O) n- t% u6 M, uelse6 _2 m# g: W3 \* k/ v; I" K# ^7 K3 W
4 ], S* d( ~% |/ h
c5:=”0000”;( @+ }9 C1 i# y5 M# ~/ _
" T. c2 _% w$ s% J8 ^0 {/ F( @if c6<”1001” then. p, ]4 n1 [+ i5 v" F F
2 E: K6 ~7 e, @# fc6:=c6+1;5 H- L! N( H5 \6 `
, W# K2 D9 w. velse
, `; m+ t( F; q! F1 c1 W. \+ p. k5 L6 T* n
c6:=”0000”;& y0 N m- Z) H( W/ R7 y' c
$ U1 I9 @. M( W7 }3 D. E' }5 g
( c# Q3 g4 X: k6 y8 t3 S. Q- k7 jalm<=’1’;+ V6 j& v* f8 b
4 J# F* @* w; r: y) K# aend if;
$ u' x/ P* {; ]/ [/ v: M
$ ~8 n* N+ A% |end if;! q2 X5 @! p( t/ h( V: z" J4 `6 f
* c) n1 V1 ^' Hend if;* Z e V# f2 s( ], q
3 j5 D1 b( P+ f, @
end if;
. j, L( m- M7 v( d+ `
3 B* F' T4 L$ N+ jend if;7 z, q, S7 S: ~) l$ n, @; L
' v0 R! ~, w3 t @
end if;$ u' |- n/ f! a" o' I7 e5 T
* b0 g" \1 M; W% W3 ~5 t7 R
: b& Q7 R3 M+ T% Uend if;
3 Y) ?1 U: |, N- ^; W% r# [, g" d% R
else# I; t7 t- _+ ~- U+ k! d& W" b! \
; y6 M, c2 E) Z4 j- c+ yif clr=’0’ then+ z% A1 M8 W6 M+ {
7 W+ b* ~! f2 u
alm<=’0’;
) q4 F. s3 H1 A4 S9 L0 x
9 Q) B% x9 J! |2 L# V" ~7 O& W7 zend if;4 M& r' g( U- m/ ]
! g& E& \2 j @& n- L
c6:=”0000”;
1 t) p5 `0 m2 {6 C! |! U: j# K
+ j& ^# w- S0 Z) xc5:=”0000”;6 Q+ Q- |. l8 Z( m% C. J* m z
! g9 D2 p$ f; d& W/ Y) u4 O( s8 N
c4:=”0000”;
! i! k" q) [2 l. s# ~
; N" N1 |8 O. }% ic3:=”0000”;
' P8 s5 I: ~1 B4 R' o5 K$ b
$ }5 b/ x2 ~8 J4 f1 k* f! x% |" h2 Rc2:=”0000”;8 g; |1 {1 z' Q/ ^6 R
* i9 P5 d6 J5 L1 A* X% T ~c1:=”0000”;
# Z" V$ f, B. I( w& U- ]3 g
: t1 E! k. {' l0 _2 A2 ec0:=”0000”;
; k @% G; y1 x" j5 e) b! Z3 U0 [1 i0 Z
end if;- _. l8 k: W+ h" }' x) ?% R
4 t8 K0 r0 v4 x" j) lif c6/=”0000” then8 y& N; n0 _, O) O8 D+ f4 d
# Z) ]8 p6 Z' E: \
q3<=c6;
! d i' E5 d2 z ^7 j6 a1 }" r3 Z, D7 j! z6 h$ B8 Y' m! H
q2<=c5;
, B9 z& b: Y8 ~) ?) N9 M+ _6 G, d5 L) p5 q/ `1 G* k
q1<=c4;0 x' h! W2 j: }" Q3 `
6 {9 l) [! M k" T8 C
$ Q3 B& s3 j0 d) t0 lq0<=c3;
. k' j# N& ]' i3 K
9 q. j, D! ?- I$ r6 c% Fdang<=”0100”;- P1 n2 a Y$ r$ B& h1 w) `! v
( }9 S2 K5 M$ T1 b
elsif c5/=”0000” then6 m1 D1 E' ^, ]. p
) s# o& a9 ^+ i! B/ z( h
q3<=c5;
7 E! d1 U" v! s9 T
2 D$ d C0 E: G7 ^0 uq2<=c4;: J9 q1 L Q0 I T2 @
% a" a5 K5 @! a# g% s7 P5 e5 G
q1<=c3;
9 I; Y" {& X Q' F: N
( Z1 j' A- H2 k# |# Yq0<=c2;2 ]8 F( t1 n% n' S2 O
V. T0 m i- C8 i0 ^* |dang<=”0011”;1 u& Z# \7 O+ r% \ L) r
7 N( r+ o, }" g; i4 q' m2 T5 i, |0 w [6 V/ k
elsif c4/=”0000” then3 t4 R$ J/ R: k6 A7 j. K
|0 o" u" R& t" E$ Lq3<=c4;1 C& E# E9 Y6 q( j2 l7 w9 Y3 V
. r' v: N) X9 O8 O, o0 k
q2<=c3;
! {# ]6 T! T5 j' t7 j9 @0 E% m+ Y) W3 a Z$ W9 r
q1<=c2;
t7 p' j \& _, i8 J& q* C' K' A5 L, `- b+ I
q0<=c1;
: t8 G O) T8 Z0 w
4 }* I; D: n& Z/ Tdang<=”0010”;! P; F5 m6 p: W0 [7 R' |0 }6 h( M
9 T$ C; U; p3 |. F* E- @) w
else* |2 M% ?3 k1 g6 o1 h
7 ?- m* d4 l0 p9 b8 @$ I8 aq3<=c3;' P$ K# ]1 ~0 D
0 E$ s% N9 A8 sq2<=c2;1 W) F* _: Y3 K, s* P. H
7 A8 t4 J% @& L/ \& c
4 E' x; q T. e) d" ^2 q# ^
q1<=c1;
/ @3 S3 ], s, ^" D1 i/ w7 q
; j; |8 F% ^- }7 sq0<=c0;* n) b& `1 @7 p/ h3 X
* x, o/ f$ v* n) Q0 d
dang<=”0001”;
' c& K5 I6 ^: W
9 [: H+ K3 c a5 N# Oend if;& h: H8 [% `; A. b
/ g, I6 W1 C9 _end if;
0 v3 ^4 W U C6 s* n
, s9 S& t& P1 U3 x, a6 gend process;5 Y0 O7 M$ @1 S5 I
end corn_arc;
+ i+ o0 C, Y& |: x( O I7 r/ v- c9 V ( ^6 T5 o9 n. m$ w/ k% t0 @! m
这段程序用了之后出现了Project requires too many logic cells 和project requires too many shareable expanders 高手们帮帮我好吗？ |
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发表于 2009-5-11 11:19
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