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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?! g9 {# [4 P# ~6 q; `; P% Z% I6 \3 Q
为何按照下面写的不太对?
5 X. M5 ^. D0 @( o! j& y) Y* Z/ ?- ^4 a9 \5 q0 Q# W
我的思路是:
: U7 Q& y! ]: q/ q2 K) B/ |4 w3 H) {; p0 [) Z) t/ l5 ~2 `, L3 s" [+ K
设置一个计数器,20位" _5 a5 V8 H( Z
将每一位输出到对应的io口
9 C# P0 a/ s) |0 xio口在作为输入. K( p2 ~. q$ d/ g! X# y* A1 f
通过一个触发器保持这个值
( R- J# w L. j' d( U( S0 X- x% T: \. X3 s( J4 [9 h/ v; Y
想通过嵌入式逻辑分析器看看输出输入的波形
' n- T" g3 \* Z# R r! \* {# L6 D1 ?1 z' |" S
但综合后
6 o! K" p9 K6 f作为输入的触发器没有没在逻辑分析器里面显示出来1 b4 f8 y! U# `2 D
6 s5 Y) O3 _9 G; I) Y& }
应该如何写才正确?" @; r+ Y8 N/ e+ ^2 ^6 L' k
0 G6 U/ r0 s6 R9 C2 ?, {( _`timescale 1ns / 1ps2 D- F% \" u- u( L9 V& ~0 W: x3 J
module EP2S60F1020C5ES(
, e8 k) `: W: t: ^, P4 f* ` i_Clock, ) ?# L& b8 u# ^ ^/ b
i_Reset_n,
2 U, g( x1 U7 m# D3 A+ x( W io_CON1_B,9 b) g o5 ^& |) _
io_CON1_C,
6 w# _( j; U" ~1 l: p4 C io_CON1_D,% d+ f% J$ g9 ^9 c# H
io_CON1_E,
: Y6 O# V) ?1 F" @ io_CON1_F,
# t+ i" l% {& g6 h" R //
" J- [( e1 K: ]5 F3 q$ H+ }2 D% T8 ] io_CON2_B,
$ {5 Y1 N9 I6 F7 i8 M3 C0 ]- z io_CON2_C,
! l9 I) ]! i6 |6 H- _/ O; n- r io_CON2_D,4 y- P3 X- Y" y6 y* f+ [
io_CON2_E,& }# X. W8 l9 }* T' ~1 ]
io_CON2_F,9 E. ]2 K+ T0 ~7 {! _3 Y7 m u: s
//7 P# \( k9 ]7 i
i_CON1_D2,2 k4 @0 M6 _# C( v% c# i0 N* w- I
i_CON1_D3,
, e; F. `2 C3 U+ a( Z0 f8 @ i_CON1_F18,
- I4 B% d& G1 V( b i_CON1_F19, {# @; ^3 a5 D) n4 I7 _
i_CON2_B10,2 }4 k/ w$ f& [" \9 D
i_CON2_B11,
) a- A+ \9 F" S3 z) z( V. {9 a data
6 B0 F1 P+ [# K# F. r6 j' U );; p* W) o6 |0 E* c! S' h
//
8 M, f8 U; u7 B2 z0 \* a8 P* w6 [* i: ^ input i_Clock;
! z) g! F3 }8 I4 Z( U input i_Reset_n;
+ U! h# t& s k4 |% e inout [19:0] io_CON1_B; 0 D( k, G/ k% p7 S& Y" T- [
inout [19:0] io_CON1_C;; p8 d6 Z2 w2 d6 Q% N8 ]
inout [19:0] io_CON1_D;
/ ]$ _" {* o+ m inout [19:0] io_CON1_E;
. h* j/ l# d. A; f9 ]# f) G inout [19:0] io_CON1_F;
4 N) S9 M- n0 A( u, Z9 m$ [* h6 ? inout [19:0] io_CON2_B;
3 ^% g0 g# L" Z9 h inout [19:0] io_CON2_C;3 }/ l2 D5 e% _9 l2 f. i
inout [19:0] io_CON2_D;
7 F# G# q8 |1 F6 n" O8 x inout [19:0] io_CON2_E;6 {% |% M; ~+ S2 N& o( c
inout [19:0] io_CON2_F;5 _* H1 a+ V& L3 S6 M
//3 O1 c" g0 H0 v
input i_CON1_D2;+ b0 f) y$ ~% m( t8 V# x+ J6 i; y1 J
input i_CON1_D3;5 m. f6 u2 D5 h2 W8 c. v! B
input i_CON1_F18;
: ~! V' g4 g6 f input i_CON1_F19;% `1 ^6 `8 U+ @+ Z
input i_CON2_B10;4 g7 r7 h. y l4 z9 L
input i_CON2_B11;1 j" H9 ^" \9 @" V9 J9 r
output data;* ~8 S; W) M$ p3 F8 e7 q% i
reg CNT_CON1_D2;- t- W, `( _4 j% R
always @(posedge i_Clock or negedge i_Reset_n)/ G- v+ p' t9 ^7 v, i+ q
if(~i_Reset_n)! J% L0 J8 h0 q. I6 S! g: [
CNT_CON1_D2<=0;
. ?4 c t" m- v& x2 T& W) }) o else
( ^2 P+ Y% p" ~ CNT_CON1_D2<=i_CON1_D2;! q! c7 l. H' J8 O% K7 X8 H9 M
- M. y2 f3 E4 H% d g; T
//----------------------------------------------------------------4 w6 F: R$ ~! w: T9 c4 j
% k# y! ^" V/ e9 Z+ ]! Y reg [9:0] CNT;
5 u% D0 D3 d/ F. r
& H6 z5 D; u/ k always @(posedge i_Clock or negedge i_Reset_n)
+ p ?' m( i' o' R, N5 ~ if(~i_Reset_n)
0 p: _" l6 I' K) ]+ [# L CNT<=0;
: P0 L @' l) s& B ` else2 _" y. e9 P+ }8 J
CNT<=CNT+1;
* t2 n# H! c1 z //
/ R' b! ]/ n$ C1 c assign io_CON1_B [0] =DAO_CON1_B0; 3 o% {3 W4 F$ Q+ P9 w/ y2 r
assign io_CON1_B [1] =DAO_CON1_B1; $ R" e( y5 R- C/ K4 q" {3 I8 u
assign io_CON1_B [2] =DAO_CON1_B2;
4 i4 P, c; d& _5 y3 y assign io_CON1_B [3] =DAO_CON1_B3;
; T; I! |; _: B8 b6 H assign io_CON1_B [4] =DAO_CON1_B4;
- I7 m) ~8 D5 x/ l- A; t( p assign io_CON1_B [5] =DAO_CON1_B5; 0 F& |+ K" r D) j7 T3 x) W
assign io_CON1_B [6] =DAO_CON1_B6;
. N- H0 P& I1 s, M3 t assign io_CON1_B [7] =DAO_CON1_B7;
$ t9 K) O& m7 a. V/ } k9 f assign io_CON1_B [8] =DAO_CON1_B8; ' T6 W' m7 J4 o+ p
assign io_CON1_B [9] =DAO_CON1_B9;
. o+ M# y) V) L0 C7 u9 C$ D; l. B assign io_CON1_B [10] =DAO_CON1_B10;
" b V) v9 ]9 }, M+ v+ C P* x assign io_CON1_B [11] =DAO_CON1_B11;
4 o' J9 V! s' f( v# x: R2 ~* v$ u assign io_CON1_B [12] =DAO_CON1_B12;
" A3 k9 k5 q) h" E& P) L8 }- v assign io_CON1_B [13] =DAO_CON1_B13; / _3 A1 w; R8 R, Z4 B3 Y
assign io_CON1_B [14] =DAO_CON1_B14;
- |" z D! a9 u9 C* J- Q7 [ assign io_CON1_B [15] =DAO_CON1_B15; . w2 ?7 W: d+ u6 ^
assign io_CON1_B [16] =DAO_CON1_B16; - X& S7 @; @/ D1 d' u" ]! H; T
assign io_CON1_B [17] =DAO_CON1_B17; & g& \0 K( _: O3 x1 R8 {# g
assign io_CON1_B [18] =DAO_CON1_B18;
/ f! j1 x, i* z& j) m6 [/ Z6 @) l assign io_CON1_B [19] =DAO_CON1_B19; 2 H- I8 t9 Y$ w: d/ k Y
assign CON1_B0 =io_CON1_B[0];
. G/ f/ q) x# i3 C2 i; u7 J6 ?. S assign CON1_B1 =io_CON1_B[1];
. e8 c. t4 V+ D assign CON1_B2 =io_CON1_B[2]; 0 O2 y& C D0 O. V
assign CON1_B3 =io_CON1_B[3];
- }2 h9 K8 r1 U+ q( Q: W; o assign CON1_B4 =io_CON1_B[4]; 2 P: F7 P. m* L- X/ z1 s0 s
assign CON1_B5 =io_CON1_B[5]; ; C+ q" _9 W! ~! h; a* U% ~+ C
assign CON1_B6 =io_CON1_B[6];
0 Q" w& b5 L7 G# k8 U$ m assign CON1_B7 =io_CON1_B[7]; . D4 C5 Y4 n0 _ \ y2 Z+ `$ Q
assign CON1_B8 =io_CON1_B[8];
" Z D: J2 M: w( a+ u; H0 g0 h assign CON1_B9 =io_CON1_B[9]; ) r; Y' J F5 v, q7 Z- n% u) H
assign CON1_B10 =io_CON1_B[10]; + v- h! r$ z6 ?8 a7 X
assign CON1_B11 =io_CON1_B[11]; : S+ p& _! Y$ s8 _
assign CON1_B12 =io_CON1_B[12];
4 v v1 y0 A; h assign CON1_B13 =io_CON1_B[13];
1 l0 Y- T6 o% i' ]( i assign CON1_B14 =io_CON1_B[14];
' J$ I# C1 a: |" |' r# h% m) g# L assign CON1_B15 =io_CON1_B[15]; 5 l# T! R1 N. H+ J
assign CON1_B16 =io_CON1_B[16]; 8 o+ p2 L( W, A# u
assign CON1_B17 =io_CON1_B[17];
8 p# X; V% }1 ` H8 s O z& u assign CON1_B18 =io_CON1_B[18]; 8 q+ K9 G1 o6 n2 X
assign CON1_B19 =io_CON1_B[19];
, r% M4 V- E$ I7 z7 L reg DAO_CON1_B0; ! D' E! Z' O; d6 x
reg DAO_CON1_B1; 0 y! @0 @. J+ k/ e# O* u
reg DAO_CON1_B2;
' }& v" @& k6 G. n reg DAO_CON1_B3; 1 @5 n3 h, l4 X0 a5 g+ a& k
reg DAO_CON1_B4;
& I% O* y1 x- A9 t5 m2 h, ?0 M C reg DAO_CON1_B5;
4 n4 `! ]3 z$ m; i7 X reg DAO_CON1_B6;
2 Y; ^/ Y7 M7 }: f8 E reg DAO_CON1_B7; : N8 A; E( d( Z& L
reg DAO_CON1_B8;
9 i1 x6 S" M! D$ m; q% N) S3 c reg DAO_CON1_B9; 2 b/ J) q4 B( |0 ?& U: d
reg DAO_CON1_B10; 2 O: K& P( i4 e0 ~
reg DAO_CON1_B11; 7 u }0 t% ^- H/ L
reg DAO_CON1_B12;
3 B" D) F, N9 ^1 z: r& t! y reg DAO_CON1_B13;
+ G9 Q' o4 m4 @2 `- T reg DAO_CON1_B14; . l8 P( j y( H# R8 [( j
reg DAO_CON1_B15;
( i* D; r5 T# n7 L+ g reg DAO_CON1_B16;
+ y8 S5 Z: S$ a, T reg DAO_CON1_B17; 7 p0 |9 D( O5 J; H
reg DAO_CON1_B18;
6 Q0 D4 }$ b! J; T reg DAO_CON1_B19;
, v! \# ~% M8 l/ n% S X7 j reg DAI_CON1_B0;
! s1 w8 H7 ?* E' o" C reg DAI_CON1_B1; " w' v- d$ J) j6 k9 k+ v% ~
reg DAI_CON1_B2;
) F6 J/ V# Z" ]' ~! @4 B reg DAI_CON1_B3; : P! t8 Y: P5 \
reg DAI_CON1_B4; % f* b; a& m4 e+ d2 t a
reg DAI_CON1_B5; 8 Y6 C0 P- {9 f
reg DAI_CON1_B6;
2 g% I6 g1 }& H$ w reg DAI_CON1_B7;
. m+ d5 m& p" h; E" ^ reg DAI_CON1_B8; , {* P7 v- |- m) Q# D! e* |- T
reg DAI_CON1_B9; & H: J& z1 L" ?* u/ g
reg DAI_CON1_B10; 3 ~& r; [, { R' ?
reg DAI_CON1_B11; ; b4 z% h* T3 G; S( e
reg DAI_CON1_B12; # }) T$ W W; n. v' Y6 E
reg DAI_CON1_B13;
r, i$ v9 r s+ T' ~" n9 t8 Z reg DAI_CON1_B14; ) i1 U) `$ \& I. x
reg DAI_CON1_B15;
) _8 j1 G. p( ]. B& C reg DAI_CON1_B16;
4 I/ i' x/ s2 @% N reg DAI_CON1_B17;
' @9 x. G5 g" k0 y2 D) J reg DAI_CON1_B18; ' w' `' e) S3 P
reg DAI_CON1_B19; $ O9 n/ S7 \" f
% [' z p& ?; |" c
//----------------------------------------------------------------7 ]0 b, S7 u9 s
always @(posedge i_Clock or negedge i_Reset_n) 6 q9 {# q8 c0 M1 ?' [. s
if(~i_Reset_n)begin
- l0 w5 Y* k# A0 t' ?5 B' Y DAO_CON1_B0 <=0;
" \+ \, r2 f5 I9 L# d6 S DAO_CON1_B1 <=0;: I' o$ l, t, G; k9 |4 l8 V( b, x
DAO_CON1_B2 <=0;' h5 e( j& I7 E8 R
DAO_CON1_B3 <=0;
. K' z9 V' q8 l3 D3 o2 j- f/ B DAO_CON1_B4 <=0; L) m* x. W- d* A4 e
DAO_CON1_B5 <=0;' V O! P8 D; O$ @+ k( u) O) D
DAO_CON1_B6 <=0;
; O9 v# {: E( E) Z( u& ` DAO_CON1_B7 <=0;- B/ H4 w% E! h" }% j
DAO_CON1_B8 <=0;
, B& y4 i* f! g) S DAO_CON1_B9 <=0;7 z% O! T6 U$ |* p" V) ^
DAO_CON1_B10 <=0;1 e1 k8 A9 Y5 K; t0 c4 v9 @; S
DAO_CON1_B11 <=0;' A2 f; u0 P+ l( j% T
DAO_CON1_B12 <=0;3 |, u. p6 }9 [4 k. J
DAO_CON1_B13 <=0;! _5 W; V4 S2 r) l5 ^
DAO_CON1_B14 <=0;
- [+ a. C- E% Z9 X+ \ DAO_CON1_B15 <=0;! r1 C' [9 m2 ~
DAO_CON1_B16 <=0;
- G% X9 }; J( I) E. F6 N2 }3 M DAO_CON1_B17 <=0;
7 M' l j% e$ m e8 Y7 p7 b DAO_CON1_B18 <=0;
+ s& Q1 a1 ]% C$ L) M4 G9 n DAO_CON1_B19 <=0;
2 X4 S% u U0 k, m, w% c+ h$ n6 w end
- O% x0 `, u) K/ w. ^ else begin , X# `8 Y1 y ~1 q" M
DAO_CON1_B0 <=CNT[0];6 a. u' C' g4 g- `2 v! U
DAO_CON1_B1 <=CNT[1];1 r0 [, G" f8 e: q# B# D
DAO_CON1_B2 <=CNT[2];$ y1 V" ^# Z0 w! w5 v M* T
DAO_CON1_B3 <=CNT[3];
. M8 |# a8 ~ C% X DAO_CON1_B4 <=CNT[4];
7 M6 S, B2 ~" Y6 I% b: u* V DAO_CON1_B5 <=CNT[5];; c8 P8 R+ z6 F( y2 d
DAO_CON1_B6 <=CNT[6];
# ^! u, q8 c3 F$ n5 r; [1 X9 a$ S! x DAO_CON1_B7 <=CNT[7];
% S4 s- \! m i DAO_CON1_B8 <=CNT[8];8 r# U1 {1 L* e1 b3 t. h6 v- u. U
DAO_CON1_B9 <=CNT[9]; v/ Z* T" g+ {* ~4 f
DAO_CON1_B10 <=CNT[0];- X" j7 F3 r, @( u! j
DAO_CON1_B11 <=CNT[1];
* [( g* e) G* M( u; I2 u DAO_CON1_B12 <=CNT[2];' I6 n9 P4 Y2 f" S, v
DAO_CON1_B13 <=CNT[3];
+ k3 j3 U% h, s/ j3 t7 |$ D DAO_CON1_B14 <=CNT[4];
Z$ s7 G4 J+ ?, M DAO_CON1_B15 <=CNT[5];
J1 f& J% @1 j$ H DAO_CON1_B16 <=CNT[6];
$ i% R; Y3 a3 X |" F$ e$ P: b DAO_CON1_B17 <=CNT[7];
1 z' U9 O7 ^0 Q8 K, e9 ] DAO_CON1_B18 <=CNT[8]; B, q, _+ a* P* ]. `- @# W2 a
DAO_CON1_B19 <=CNT[9];7 n% A+ r: G1 u) c
end , o8 V' B, f! N! p. Y7 ]; ~$ @# P
always @(posedge i_Clock or negedge i_Reset_n)
( ^/ i S7 Q. d9 Z if(~i_Reset_n)begin 8 x/ E9 \7 M1 P$ H. P& s7 w. Z
DAI_CON1_B0 <=0;
- F {2 \* K; f' w DAI_CON1_B1 <=0;
0 v8 l" h8 O& L$ w$ x1 {: v5 e DAI_CON1_B2 <=0;
) j8 S/ D5 X0 U# S; g/ b DAI_CON1_B3 <=0;- o8 C9 ^% Z! W
DAI_CON1_B4 <=0;! g% _0 k: d9 `% e4 ~) r
DAI_CON1_B5 <=0;6 a" U4 Z/ I% B; B1 `. E
DAI_CON1_B6 <=0;/ T/ ?0 T9 G2 Y* w& Q" Z
DAI_CON1_B7 <=0;1 @: p$ Y) q6 D0 _6 A- P
DAI_CON1_B8 <=0;3 M# A9 t# E! j W4 } \
DAI_CON1_B9 <=0;/ h/ v% y5 J- r2 q% n- t) v, o) i a
DAI_CON1_B10 <=0;
( _( j" k' e4 a* ^7 A; i6 t DAI_CON1_B11 <=0;3 D. r( W3 v1 m* _+ u; [
DAI_CON1_B12 <=0;1 h% _4 S/ o1 p5 ~3 k5 R2 X
DAI_CON1_B13 <=0;
! b4 d! i' J: _7 W# P$ u' Z; y3 t4 K DAI_CON1_B14 <=0;9 h( }# O& ]# T
DAI_CON1_B15 <=0;) d* ^! q" u! M, m5 O
DAI_CON1_B16 <=0;! _. [/ y' }2 \
DAI_CON1_B17 <=0;- L V5 h4 U6 g( ^. [* G
DAI_CON1_B18 <=0;
U" q- i$ J5 J% T7 n+ A DAI_CON1_B19 <=0;
6 ~" X4 T+ W s end
' c3 {3 G4 a4 E4 A else begin ; @ M% B! @) t# F) I# E3 }5 g, k1 @
DAI_CON1_B0 <=CON1_B0;
9 ~) B4 @8 G7 A, b5 Z o: N5 u DAI_CON1_B1 <=CON1_B1;( H. X) Z F1 m. L" P6 E# A
DAI_CON1_B2 <=CON1_B2;9 p& V* F* L9 Z8 j& B9 g/ l
DAI_CON1_B3 <=CON1_B3;0 o, D3 H5 A- J; w a0 ?
DAI_CON1_B4 <=CON1_B4;( ^- }9 W: D% M; ~( q
DAI_CON1_B5 <=CON1_B5;4 `7 J6 W" f- S$ n8 d
DAI_CON1_B6 <=CON1_B6;
5 P& w* h0 K, Q$ P/ X4 x* w DAI_CON1_B7 <=CON1_B7;6 S' \1 x2 a" Z7 |8 \
DAI_CON1_B8 <=CON1_B8;
& o0 K1 r* Q8 w6 V DAI_CON1_B9 <=CON1_B9;
& B9 k" ^7 e. T DAI_CON1_B10 <=CON1_B10;
+ W: S5 @: l6 h( C& j DAI_CON1_B11 <=CON1_B11;+ e2 \; T# f- F+ V
DAI_CON1_B12 <=CON1_B12;
" h! J2 g# Y$ x DAI_CON1_B13 <=CON1_B13;
$ o; m" ]+ ^% d/ N3 K DAI_CON1_B14 <=CON1_B14;- N, p' ^$ ], X8 H6 w. }
DAI_CON1_B15 <=CON1_B15;. Y# k3 F3 B$ N, S
DAI_CON1_B16 <=CON1_B16;
- a- ?% y4 s0 F/ X DAI_CON1_B17 <=CON1_B17;! V2 _8 P: Y7 x) }/ ?
DAI_CON1_B18 <=CON1_B18;0 P: m; x0 z+ m( L; t$ M0 z/ e
DAI_CON1_B19 <=CON1_B19;
$ B$ d/ k1 \, c end
8 u/ D9 _6 N9 N5 G6 k* W7 o- x ........................
# r/ O: b3 \. b2 jendmodule |
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