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我想检查一下开发板io口的输入输出功能是否正常,应该如何做?7 F4 f/ i, \& C9 [7 d
为何按照下面写的不太对?: [# b2 R2 g6 `. ~$ e
3 D# E9 B, r' \* y0 ?2 R, S我的思路是:, P# ^- Z& b" X7 h
& [7 F \4 a/ i- V% m1 {: z5 f& L& u2 i) c
设置一个计数器,20位
8 ^5 w1 r2 y1 M将每一位输出到对应的io口
9 X9 A2 K4 x* U5 hio口在作为输入' |$ b. N+ g' J
通过一个触发器保持这个值. y0 v% Z0 A9 y. C" h* P0 H+ G4 R
& ~! g% a, [4 T想通过嵌入式逻辑分析器看看输出输入的波形: B! A4 V$ F8 g. W. ^
g) ?0 F* x* Y但综合后
4 j: H% C& a) |( G4 q! v! K作为输入的触发器没有没在逻辑分析器里面显示出来
# E. \' b4 O0 z$ U' y7 ]$ r- I$ n1 O$ C4 ?; @: ?% J
应该如何写才正确?
6 m N+ Q: i x+ m6 Z! H* F3 m6 D6 n: W k( X) O
`timescale 1ns / 1ps9 c7 q' S! S# b3 @3 ~$ K
module EP2S60F1020C5ES(
0 |+ c+ ?2 s( m i_Clock,
! w9 c1 r' P" V5 a, f/ f; e. q i_Reset_n,
+ P4 T2 Y1 G1 _1 F5 M io_CON1_B,
6 l5 W$ V, u9 R* F! ?: q io_CON1_C,
, c% p7 B! L4 { io_CON1_D,% a' Q$ i s+ m2 l/ b0 y
io_CON1_E,1 m( F/ w4 C$ j* `, D8 ]7 c7 h& `
io_CON1_F,$ `- J! b' G7 A% A" I
//
' ~9 H2 C2 e( v4 `/ E1 g7 A" ?6 k. ` io_CON2_B,: Z: e) M) {8 G3 A' L1 p
io_CON2_C,
9 F; Q0 ~/ U* H4 M& D; K% d6 Y# V io_CON2_D,9 m% O: X1 E4 z
io_CON2_E,6 o: F: h: E0 R% o" u! j
io_CON2_F, Z' Q0 H. f" {& o
//. U/ t0 n) Q& \
i_CON1_D2,
% N" F9 e' e3 Z% X. P+ n# ^; E$ M i_CON1_D3,; b9 J' E% ~" Z- I
i_CON1_F18,; |( E4 \& L: |, [
i_CON1_F19,/ L4 x4 V" b. A4 f0 U* ^( o
i_CON2_B10," Y* ?( U+ v! n5 \
i_CON2_B11,/ g/ u6 a, `/ A8 f
data* e) r# Z+ I% h( H5 X
);
3 ]" W! ]% w1 X" j/ _ //
4 v* M0 R0 C* k9 ]2 [ input i_Clock;
! y: z( y, t7 g9 [( R3 h input i_Reset_n; : w9 q7 i7 p7 q2 f a
inout [19:0] io_CON1_B;
3 K) c$ H, j3 f* u2 E1 q$ l0 u* Z3 c# j inout [19:0] io_CON1_C;6 o4 O. ]! O" e- h# t
inout [19:0] io_CON1_D;# I8 w6 Q; x+ s$ R
inout [19:0] io_CON1_E;9 C1 O) N8 n- O+ v' ~5 A6 b o0 c
inout [19:0] io_CON1_F;% `/ T& R \ E; u4 z7 T$ \: ~
inout [19:0] io_CON2_B; 8 u! l5 }) t7 u5 e
inout [19:0] io_CON2_C;
5 u/ u- d, e2 Q inout [19:0] io_CON2_D;6 V* l) E5 M; Z2 R
inout [19:0] io_CON2_E;
7 R) U; n! O1 a" b2 P( } inout [19:0] io_CON2_F;+ L8 K" T$ k- r
//
- C, g3 l2 ]/ }) f! q* L input i_CON1_D2;1 @- v4 y" w$ h, l
input i_CON1_D3;& \9 K- X' o3 X& n3 l( P) j
input i_CON1_F18;
7 N* a0 v7 o7 U$ M0 t/ b input i_CON1_F19;9 a2 L" M. W; K$ g0 z# \
input i_CON2_B10;
( h: E- c7 O- j$ @* |5 u0 A input i_CON2_B11;
t+ Q# N$ |3 { output data;
* `2 U' E6 ^8 v0 {/ q6 U" V' K reg CNT_CON1_D2;0 n+ Z- T- k J0 f1 u
always @(posedge i_Clock or negedge i_Reset_n)( N. j+ {; F5 ~6 ^8 q. ~% ?
if(~i_Reset_n)
9 M. ^8 O( l( {' {4 @ CNT_CON1_D2<=0;
8 E8 d+ j3 M3 H9 N8 v( ^+ k else
) ?' B; g" i+ B7 T6 W2 S CNT_CON1_D2<=i_CON1_D2;/ c% `, \4 S ?) g- B6 S
8 ^( x* }8 `# J5 z m$ S
//----------------------------------------------------------------
( e4 }# D. L! o7 O0 [ ; T l9 j" m. Q
reg [9:0] CNT; , A+ _ U$ z, G; x, O
0 s" Z* a- Z- F
always @(posedge i_Clock or negedge i_Reset_n)
9 |, v+ r* P# a5 m$ Q if(~i_Reset_n)
; e2 X9 `# E6 ` CNT<=0;
$ o" n4 }% J. j: z* w! Z% G else
) l* J6 H, l, y4 x$ t6 r! M CNT<=CNT+1;
/ v* g: _# n0 |& I6 L' P, q! j //5 @) L, i6 m% N' ]7 s r5 S5 i, q: V
assign io_CON1_B [0] =DAO_CON1_B0;
0 q; f' T" o P* Q' {, U' J7 ` assign io_CON1_B [1] =DAO_CON1_B1;
3 l( @4 Q- T6 I# I$ A9 q assign io_CON1_B [2] =DAO_CON1_B2; ' @7 i! s& m; X }% |. c3 x n
assign io_CON1_B [3] =DAO_CON1_B3;
3 j) n+ a' ]- R* |1 s$ M6 e assign io_CON1_B [4] =DAO_CON1_B4;
) ?( v/ v, I& w, J: i X assign io_CON1_B [5] =DAO_CON1_B5;
1 y. H$ [! i9 U& | assign io_CON1_B [6] =DAO_CON1_B6; 4 r' f/ j8 c- q/ o
assign io_CON1_B [7] =DAO_CON1_B7; % ~4 i$ D2 C( n* @8 O0 ?
assign io_CON1_B [8] =DAO_CON1_B8;
" j' v% _# E2 x: R: B+ o& n assign io_CON1_B [9] =DAO_CON1_B9;
$ v. D1 d/ W% B1 t assign io_CON1_B [10] =DAO_CON1_B10;
9 l7 t! y [8 F# M3 ]9 d6 Z7 e assign io_CON1_B [11] =DAO_CON1_B11; \; o2 m( s& n0 e
assign io_CON1_B [12] =DAO_CON1_B12;
6 C$ H- K( S; r# M& x assign io_CON1_B [13] =DAO_CON1_B13;
# t) |, i' m) V) N x$ ? assign io_CON1_B [14] =DAO_CON1_B14; ; f- j9 v6 _8 z" s2 i% [4 S. l( ?7 a
assign io_CON1_B [15] =DAO_CON1_B15;
; F; z& {# `; \ assign io_CON1_B [16] =DAO_CON1_B16;
' x& m* E. q6 Y1 A: l3 P assign io_CON1_B [17] =DAO_CON1_B17;
: W# W2 P! h$ \3 K2 t6 a assign io_CON1_B [18] =DAO_CON1_B18; / f( R: k' U! ^2 t% n& m& ~
assign io_CON1_B [19] =DAO_CON1_B19; . p& f6 W; }9 d9 ^4 a2 O
assign CON1_B0 =io_CON1_B[0];
6 w/ z3 M. {# p0 \; D3 U! \ assign CON1_B1 =io_CON1_B[1];
1 E9 u6 u! p% t2 e9 \$ ^" P assign CON1_B2 =io_CON1_B[2]; 6 n. y# F" G' L, B
assign CON1_B3 =io_CON1_B[3]; 0 }# H- a- R) S- u/ O% |0 ]
assign CON1_B4 =io_CON1_B[4];
& f; a8 M3 X8 A% S assign CON1_B5 =io_CON1_B[5];
, P; n, y Q' p" M; f assign CON1_B6 =io_CON1_B[6]; 5 d3 Q/ m* t o
assign CON1_B7 =io_CON1_B[7]; ! b) B; L5 i1 I1 I+ V
assign CON1_B8 =io_CON1_B[8]; 0 D# {/ V9 }& O! |1 ]
assign CON1_B9 =io_CON1_B[9];
- g% Q* s/ x& X! Q, A assign CON1_B10 =io_CON1_B[10]; # S' T7 v4 ^8 l* ]. d" X
assign CON1_B11 =io_CON1_B[11]; / h( V/ W8 L: ^
assign CON1_B12 =io_CON1_B[12]; 6 C, x/ H# v/ E5 X, R
assign CON1_B13 =io_CON1_B[13];
( {5 N, L; u" ~, t/ ]1 Y' ^8 ] assign CON1_B14 =io_CON1_B[14];
5 I- g( p$ Z" d C assign CON1_B15 =io_CON1_B[15]; - b t" {0 ^6 _6 f5 T
assign CON1_B16 =io_CON1_B[16]; ( i1 u1 w0 I8 P% w7 l
assign CON1_B17 =io_CON1_B[17];
+ I1 M( b- ]0 E+ K7 F assign CON1_B18 =io_CON1_B[18];
6 X& x7 T3 u& O' g+ ? assign CON1_B19 =io_CON1_B[19];
6 }! ^: X% Q( B4 N3 v% \! {+ { reg DAO_CON1_B0; 9 F ^: b- R. Y+ _6 S/ P
reg DAO_CON1_B1;
& _- c; D, Q: v reg DAO_CON1_B2; , c3 y' c, [2 j; \! }
reg DAO_CON1_B3; " h8 j! l. D& M ?8 j6 b' r5 i( T9 k
reg DAO_CON1_B4;
. K. L* A3 d, d2 H reg DAO_CON1_B5; 7 J# j" v8 V- b
reg DAO_CON1_B6;
( L9 ~6 a K. w8 _2 ~; w# l( O reg DAO_CON1_B7; h& I1 @, T# t2 B/ X
reg DAO_CON1_B8; # e, F$ ?- B, n* c6 f* W M; D
reg DAO_CON1_B9; 8 S2 x2 L- s0 u. ]7 H
reg DAO_CON1_B10; - P; }+ e' g( V% C: S, @
reg DAO_CON1_B11; 8 A" r! x- ?# L
reg DAO_CON1_B12; : s, U+ L8 X' [. G
reg DAO_CON1_B13; 6 k/ a) X( O& Y) H1 t, I( n, U% |
reg DAO_CON1_B14; , I9 M+ I2 j1 u0 m( p
reg DAO_CON1_B15; + j/ E) E) ]2 E/ I
reg DAO_CON1_B16;
: b- T6 [2 D7 p6 c. } reg DAO_CON1_B17; + Z; P& ^- X+ F9 n
reg DAO_CON1_B18;
" `; Q+ ]1 [4 U3 \7 w0 X0 x reg DAO_CON1_B19; , n7 j4 X4 c( f$ `% H6 W" Q
reg DAI_CON1_B0;
! H4 D8 V d& q' ?3 t1 G% B$ E reg DAI_CON1_B1; 3 A5 K* r# X, F1 E" K; z
reg DAI_CON1_B2;
( ^2 D k0 o0 C reg DAI_CON1_B3;
, c. U# c0 g# s) i( Z reg DAI_CON1_B4;
1 a/ X+ a0 m6 g+ @7 E reg DAI_CON1_B5;
; A- C6 A' {# r1 H7 t reg DAI_CON1_B6; # \7 [ [4 D! t% A2 H) \) A
reg DAI_CON1_B7; 1 p& k- u% l u. o0 v8 O
reg DAI_CON1_B8;
! I$ T) _. I) h+ W reg DAI_CON1_B9;
( H8 b9 Q# g0 o* U reg DAI_CON1_B10; / P5 n2 E9 ~% z3 t4 A+ {1 b
reg DAI_CON1_B11;
! v' _1 e8 P, U; \) \5 H" g reg DAI_CON1_B12;
9 H, C- v) W2 j reg DAI_CON1_B13;
, B! F" ?9 `& p0 k' X% ~3 w, S; A1 x reg DAI_CON1_B14; ! J: t# _' }8 P4 V
reg DAI_CON1_B15; $ s' a9 ~+ Q9 t+ @9 [
reg DAI_CON1_B16; " ?7 N5 X: \" j$ T% l) G4 R
reg DAI_CON1_B17; 3 M( i; R, b& z2 a% ^$ e3 c
reg DAI_CON1_B18;
" l; c4 |% {( k" \7 d/ X+ S9 z; K! ~1 y reg DAI_CON1_B19;
# l1 [! \- y% B7 h6 N/ V5 d- x; t' z2 d
! r5 t& m( L! h& O //----------------------------------------------------------------
8 o. ^9 a: ], | N always @(posedge i_Clock or negedge i_Reset_n)
% ]+ j5 J3 z* n8 k7 I& c if(~i_Reset_n)begin
- u! p/ I( N; t7 q y. M2 K DAO_CON1_B0 <=0;; D8 S( P7 n- P5 R1 _: _
DAO_CON1_B1 <=0;1 o2 ` \7 O0 ^% A; L+ d
DAO_CON1_B2 <=0;# Z8 k' c6 H5 x: a/ _8 {
DAO_CON1_B3 <=0;
! X0 v$ m9 ?" h+ _! _ DAO_CON1_B4 <=0;! s5 n3 a9 c7 N+ U. m; j; I& j
DAO_CON1_B5 <=0;& e! r& y. D+ E6 q
DAO_CON1_B6 <=0;( w3 M9 G3 Z+ W- v/ ]
DAO_CON1_B7 <=0;
: z% N3 M& |; i/ o. I" D DAO_CON1_B8 <=0;
5 I7 E6 g3 b; z" ?; k DAO_CON1_B9 <=0;
) r! @# \2 O0 l; t% W } DAO_CON1_B10 <=0;, Z1 E' K1 K/ \* I
DAO_CON1_B11 <=0;
. J4 s, P2 Q+ b DAO_CON1_B12 <=0;8 G5 ]4 z% F5 l- K; c4 M7 J
DAO_CON1_B13 <=0;1 m8 g+ n4 E/ Q9 |4 |1 I! Q
DAO_CON1_B14 <=0;; P. I/ W6 ? t9 ~! g3 J
DAO_CON1_B15 <=0;2 w5 J- P$ p: _0 |
DAO_CON1_B16 <=0;! u# s1 }* v# e6 X- b% s8 w, J
DAO_CON1_B17 <=0;
' A% k9 a" o5 Q" q" } DAO_CON1_B18 <=0;
6 \8 K+ U7 f! U% b( P5 S9 ?7 @' M DAO_CON1_B19 <=0;( ~5 s* Q7 E- c; j. ]) A
end 1 \- [4 |% ?2 S( {9 F& p
else begin " F; f k: j: B' P
DAO_CON1_B0 <=CNT[0];
" \; S$ L& \4 N# [* p9 _ DAO_CON1_B1 <=CNT[1];# s D2 \+ J p0 ]/ f
DAO_CON1_B2 <=CNT[2];# x9 I( d9 |! t' L
DAO_CON1_B3 <=CNT[3];
9 z8 h3 k$ r! m DAO_CON1_B4 <=CNT[4];
) P+ _( G2 W4 ?2 w. a: Q DAO_CON1_B5 <=CNT[5];
4 m* S' l) {3 P: j7 M5 m9 D: _ DAO_CON1_B6 <=CNT[6];
2 B3 v( L6 ^& B4 |) U H7 s DAO_CON1_B7 <=CNT[7];; N x; ?+ o( u' _6 y# i
DAO_CON1_B8 <=CNT[8];
; q/ _# r2 ?* W% c" B4 U* E7 Z5 g DAO_CON1_B9 <=CNT[9];% ^* o/ }1 S8 n& O0 J4 b8 B5 \
DAO_CON1_B10 <=CNT[0];
1 c B% v' X3 H. M, U DAO_CON1_B11 <=CNT[1];
! g- z4 C7 ]' y& c c4 [' L0 u DAO_CON1_B12 <=CNT[2];% u# r- J4 L! o) `: H8 X, J4 u* Y
DAO_CON1_B13 <=CNT[3];
2 o: e1 A9 j5 K& P DAO_CON1_B14 <=CNT[4];
1 ]! F3 a2 j6 m9 ~ DAO_CON1_B15 <=CNT[5];
b# J+ P, B& X3 G9 u9 i+ X* T DAO_CON1_B16 <=CNT[6];- F6 E6 k7 d0 k
DAO_CON1_B17 <=CNT[7];1 g" D# Q) _, E, Q
DAO_CON1_B18 <=CNT[8];6 g& Y! v* ` ^: p4 e, L* L
DAO_CON1_B19 <=CNT[9];
$ F; w* N) V+ Z0 V" O7 F7 w5 D7 q end ! {- H/ ^5 n3 f" t9 X
always @(posedge i_Clock or negedge i_Reset_n)
6 h0 v+ j8 x0 B if(~i_Reset_n)begin
7 H# J2 ^$ w5 |7 V- |- l DAI_CON1_B0 <=0;
5 Y4 i" @, `9 I9 G DAI_CON1_B1 <=0;
! k( T) K) o% o& _- A7 k DAI_CON1_B2 <=0;
9 \; o/ Q" q- S# o6 R( G DAI_CON1_B3 <=0;% X+ l! R) u0 T7 V3 f; i& E, j
DAI_CON1_B4 <=0;( w* L2 p8 [8 Y! O+ w
DAI_CON1_B5 <=0;
# {2 G# x5 t7 x* ]" p; i DAI_CON1_B6 <=0;
2 s# b% u3 u8 s" t' d DAI_CON1_B7 <=0;
: ^$ [1 k# E. N' C DAI_CON1_B8 <=0;
4 c0 _% N6 s+ y m+ s( v DAI_CON1_B9 <=0;. M; G# Z9 n6 ~+ p, @# r) c% n
DAI_CON1_B10 <=0;
4 N8 E! r, p: O% |) z) _) ?+ I0 t- P* y DAI_CON1_B11 <=0;: U ?$ q g' _- X! |- {5 g
DAI_CON1_B12 <=0;; ^* n6 v% r5 D# w% v
DAI_CON1_B13 <=0;
Z* _) y6 R; X5 G DAI_CON1_B14 <=0;7 P5 s' N- P2 d |# O5 P; t% c2 d
DAI_CON1_B15 <=0;6 O/ n0 \4 W9 y) Z
DAI_CON1_B16 <=0;- @9 q% {" v! K/ \$ [
DAI_CON1_B17 <=0;
% E& d( S# E4 J5 t, H, K DAI_CON1_B18 <=0;
7 ^& o' Y m5 y9 {# G9 a- _7 T DAI_CON1_B19 <=0;
1 a' ], s) v0 ^( P* D end
6 |+ [) L. v; ~6 s; | else begin
/ k F( ?8 N X. _ DAI_CON1_B0 <=CON1_B0;# E6 @+ O$ P* r7 F: \
DAI_CON1_B1 <=CON1_B1;
; F" z( P( z- B: c! w: `6 ] DAI_CON1_B2 <=CON1_B2;
+ ?$ I! _0 t. ^5 |9 ~ DAI_CON1_B3 <=CON1_B3;) U3 }+ P$ ]5 n& |0 C
DAI_CON1_B4 <=CON1_B4;1 n* q+ [ b3 L2 _. g4 s
DAI_CON1_B5 <=CON1_B5;
9 V, I- W# h( x2 x! C# T DAI_CON1_B6 <=CON1_B6;
V! v! l+ r7 d( V: N DAI_CON1_B7 <=CON1_B7;
' T$ g$ d T/ h. Q+ z3 r" o6 x DAI_CON1_B8 <=CON1_B8;! o4 Z6 N( j: k
DAI_CON1_B9 <=CON1_B9;
, U3 V9 l' Q0 C# n, G( o' Y$ [ DAI_CON1_B10 <=CON1_B10;
1 h8 v' l3 t( t6 i DAI_CON1_B11 <=CON1_B11;
' G& I) c) u* @% U+ u DAI_CON1_B12 <=CON1_B12;; ~9 J" L" I% O+ O+ `
DAI_CON1_B13 <=CON1_B13;4 z, I/ ^# L/ E
DAI_CON1_B14 <=CON1_B14;) w) f% J, ?! d, U$ e7 ~
DAI_CON1_B15 <=CON1_B15;
+ R5 C) Z& B) R( a6 q DAI_CON1_B16 <=CON1_B16;
+ p3 N$ w2 _! H+ c DAI_CON1_B17 <=CON1_B17;% t/ g3 H9 M* ]! l. g
DAI_CON1_B18 <=CON1_B18;
: [% `* M, Z% ]# A3 K DAI_CON1_B19 <=CON1_B19;
' g) L; d! I9 P( J end ; o$ e2 j( {! K M+ \
........................
9 `1 [9 D; Y9 ?& J& n* O8 Qendmodule |
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