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library ieee;
. u( ~2 r$ I* J4 {use ieee.std_logic_1164.all;
6 E: |' @1 |" p. x2 G1 t2 ruse ieee.std_logic_unsigned.all;
: H2 G t6 T; R4 x9 X2 b2 Oentity corna is! L& |$ M3 q# b3 _$ b2 h7 {; t
O' o; I5 }# Z# p& M& `* ~4 l% V" ~3 D. e% q: ]+ q. S
port(clr,sig,door:in std_logic;
' g4 z6 W! ]* Q; B1 T: L! @alm ut std_logic; M2 j( Y/ w. p
q3,q2,q1,q0,dangut std_logic_vector(3 downto 0));
5 R# g9 {3 ]1 v; fend corna;
7 K1 x* r! z0 L+ I6 }architecture corn_arc of corna is+ p ?8 i0 s" j; J+ C
begin% O0 @# v' P4 [0 P) b: a4 U- I( k
6 B0 A' o! x. ^- C& W
process(door,sig)5 P% E5 {* @& y( o9 ?( P
. k- E. G: O- U2 k0 `" c( s
variable c0,c1,c2,c3,c4,c5,c6:std_logic_vector(3 downto 0);, y7 x0 E# ?5 C8 x% W5 V% T6 q2 b6 I
, d( u" _/ M* w6 D& ~0 B8 q/ ~
variable x:std_logic;
( I1 V+ [: I7 y4 Q7 e# o& W
) O n; ?$ X) F! W9 j) r7 v7 Xbegin) O8 \8 u6 `5 r& D
if sig’event and sig=’1’ then
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if door=’1’ then
# ?# v: s" q1 D/ j% @; o: D+ ]& ^. T& ~% i7 U# D
if c0<”1001” then
# S; f ~) z1 o/ O) |
% L; D, }9 o# Q: L, P7 q0 g* y/ P- F/ Oc0:=c0+1;
/ n' |" p: J. A3 S3 _: E8 L$ }1 ^
else
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* \, l! _! d4 I1 b: ^c0:=”0000”;
: e4 t! q( W: _2 Y3 C6 c, p# A4 k
- m, s' g$ p2 nif c1<”1001” then4 ~; R2 P1 N6 ~" J( _: u$ I: O# q
0 Y |. d" |; Y- A
c1:=c1+1;& g1 |; c: o7 v* }# u! o: k
5 S, J& w0 q/ @* A( zelse ~+ l" k. V1 B; Z& B( ~- @, S
, R( M$ K% C1 ^' \' e9 L- @c1:=”0000”;
1 `# H2 k7 f# W, q3 k' ]! ?8 n- p
if c2<”1001” then
0 ^: g0 B2 Z0 D: |
* Y4 ^4 f5 v& w5 f r2 Z9 ~c2:=c2+1;
* f* t) E) i6 {
& z7 G7 e7 {, @" L
) z& f1 |' b5 X) S* i+ @else
$ w; C7 j q; O5 ^) L$ j# A' p# S) k
( B6 ?& [0 d) Kc2:=”0000”;8 p- s2 [' l( m1 K1 Y" a7 q! s+ ~
4 `7 i3 _2 R; L9 }7 C& u0 D# a0 m
if c3<”1001” then# F6 X: m* P2 ]3 d6 b
9 y3 s3 f; o8 ?8 I8 Pc3:=c3+1;) o- f0 P- t/ z5 a# V0 a
* v0 Z% p) {+ m# M: S4 {! Gelse$ m _" @% T! l8 M: |1 Q
" G! C* X9 `! `5 }; f9 g' F* B+ Hc3:=”0000”;# L, Z2 q8 N" c6 U _
! q. Y. u; g* ]7 bif c4<”1001” then; |: U0 V1 F; }* T' u
; c. u& d1 @$ v; X* h+ T* ?& Qc4:=c4+1;8 ?" f' g' y7 u& I2 ]: h
$ v! Z/ j( r9 [& `) x# x+ t& k. l+ J
else
* r* L& _% w+ y- w: T6 \# ? p
, w' e* y7 D6 k3 U. d m* Zc4:=”0000”;2 B3 t5 g& G" D! y) v1 a1 u, B
2 j) @. n2 s* Z- Q" k5 a/ u6 p4 Z
if c5<”1001” then
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c5:=c5+1;
* c1 _5 X5 E- C7 k+ V! @
* Q9 k/ y4 F2 N, `' |4 G' c
$ @+ ~* R6 v/ i h( O" a; ielse
4 M F4 }5 U/ s8 Y. h, t/ ]/ e5 O# @; Z j7 p2 l) S0 Y4 C
c5:=”0000”;7 H' z, W: A& ]
/ S* M" f- ]( A$ I# L5 y }8 Yif c6<”1001” then
, m0 v3 i9 o' }; w* k
5 h& r3 f, C6 s, Wc6:=c6+1;
, I+ D: y: N/ A: N
; q) k6 l/ ?- k, s5 Lelse6 j7 _" C% [0 f$ c6 V" S7 a1 B- J
9 _5 H! b Q& \" {1 ic6:=”0000”;
: Q. \/ Y9 A, o+ n8 q/ c: d5 z0 Z" i* X7 c$ X3 F! [
, A! f3 m) ^- m. N5 }alm<=’1’;
3 x. P5 j6 K- ?$ n7 F
8 O7 J! ^0 j T0 @% r. [end if;
3 _! [1 `6 _9 \0 ]+ z2 P( D4 \6 T! c+ n6 W9 P; t
end if;
% [. ^9 r- J+ W# }7 {# H/ y( r# q9 P6 t3 M
end if;
1 Q$ `$ k2 }% v1 Z: o* l7 n! @) n1 A' c$ b- j( e5 @# c
end if;
8 S: f0 |: R1 P, R7 W$ } h# K% f) i8 B
end if;
4 ]+ i, q$ ]0 c% N+ T3 S
4 L! d: K* K$ ~! |( U, }( M% yend if;
! h7 U" ]7 i# ^( N5 V; n" { [
% I' l* r& [/ H/ J# x
7 s7 k$ W' l! c2 ~3 N+ w! J& yend if;0 D' X( m) v3 ^& S! D; v7 w( |
! J5 ~0 ]+ M4 ~, ~
else
+ Z. v3 V! \0 P6 m2 s/ Z* Z% h) G9 p7 P/ f
if clr=’0’ then k$ s4 u5 F& m( L3 ]* j
0 N" q8 Q" [& [, g8 x; \alm<=’0’;6 ~7 x5 R1 h7 ?4 J6 M
" O8 R d# Z8 s7 V
end if;: M2 B# Q6 w. `! S, `
6 V3 E* @8 R# h6 \
c6:=”0000”;
& q* [/ \$ v \( a1 D1 Z9 o/ E3 H& R2 l
c5:=”0000”;
* _+ g* q, q) Z: v: ^
6 w% ]) \8 Z& Pc4:=”0000”;
: n! x. Z \2 u; b* O, O
/ K5 {+ K$ `- ^# ^( h& Yc3:=”0000”;
. Q) q0 N# G; A# o# `( ]2 K* z- w( O, [
c2:=”0000”;
0 i. A* M: m( V
- x4 ?4 @! {: F2 Ac1:=”0000”;; S$ d2 l- s% v q' t1 u* c
* T8 o R& w2 s" |; r& b
c0:=”0000”;( {8 r: R. n& R! Q
1 C r9 o' Y; T" Kend if;. u* B1 c- E+ u7 G# J4 k
. d# Y/ \9 N. l1 C
if c6/=”0000” then
% {! v: w" c; L
4 D* N/ i; |( L: n2 U5 q0 fq3<=c6;
4 L$ O0 U, n0 x& g
7 u; I& g; S Q" pq2<=c5;( `7 K# A8 G# L+ H$ w5 f
! t0 ]5 ^- @! f7 N' |- s# }+ Z! e6 q& pq1<=c4;
2 p& H* k; x6 \, I: ~7 t8 ~* V. v( ?1 F
. o3 W& i5 E" U9 ~6 N
q0<=c3;& C/ T3 S! y' R
1 q1 o% T0 \; @
dang<=”0100”;
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elsif c5/=”0000” then
# b# M, r& B* [0 x3 K4 C8 U# o7 Y+ I) e: w4 r
q3<=c5;* w" A* @1 Z% D. ^
) p4 r7 {# ]. V' P) Dq2<=c4;
$ v5 N' {. U7 j5 C2 j& i" C& [( n5 K
; O/ j- n3 `) q( n( oq1<=c3;
5 g! _( n; F* \
% I3 w9 N) g. N& \q0<=c2;
% T* G. k5 Q1 d, r- x/ B% R2 s
- b8 h+ Y: u5 tdang<=”0011”;
* L& y8 @# h6 _8 V( |; ^0 u) @: n% z6 \- C4 z3 [
% [8 w n- a* }+ S( N* o+ U% Y: ?! H( y; t
elsif c4/=”0000” then& [- q a0 |2 m( c$ _- \5 S; D
! I* e4 I" m" S' m: _& T7 X; H$ `q3<=c4;
! J7 `3 ?0 G- Z
- P8 ~7 g; v. f. u' D6 Aq2<=c3;
- s7 d0 H i2 p8 m, b& I% L/ x, y: C1 _$ o) a1 b
q1<=c2;
# x8 Y. C$ W1 Q8 t+ z7 W
5 B- E8 ?, R1 N" n2 G8 \q0<=c1;
0 g r- a H$ M: Z2 H) ~- b3 J
; v: O! O% ]! B w" X* adang<=”0010”;
1 U% D6 Q* @$ ~* |7 k
. q# u. y2 c- Felse2 {$ L# q; w+ q6 U2 R: J* P5 E
6 G) x5 `; ^, A% ~
q3<=c3;
4 f2 {8 A. A) T1 f9 ^! P' {9 @! C, B# Q5 ^4 b4 ~+ J; D) S& @
q2<=c2;
% {9 N. a/ n5 M5 n: Y
: ?$ n% Y2 q! X4 I% N' K
0 |0 c" _9 d2 N4 p$ g6 pq1<=c1;9 e# s9 }8 h+ p# K" k
' H' N/ e4 N2 k
q0<=c0;) ~. i* G n4 l" v( q
" r8 V/ e6 _4 e2 k1 d- M
dang<=”0001”;* C5 ^! s" x' n" Z
5 [) D4 h4 A/ Cend if; L M6 z( R z
7 U- s# {* u8 `. h
end if;. l! c( I5 Y* G) T8 |" Y
# y! @' I5 y3 b9 ^3 Q5 R" |end process;
" j( L- U+ P* G4 E/ |: M% p9 `: e, iend corn_arc;; ~: V. D4 b" ]3 T( g2 p$ |- ]4 z
% ^$ X0 t6 W+ a0 u A+ F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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