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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?
8 Y/ n; N! b4 M为何按照下面写的不太对?- o8 d+ H$ _9 J# P" n. |
8 r8 M! a7 h3 [8 X
我的思路是:, M! P2 P7 V/ ]/ o8 l
6 ]$ H0 f/ m# E3 _设置一个计数器,20位
- y, |5 P& ~9 \# u( O1 l将每一位输出到对应的io口
9 Z3 l$ D9 O: G Jio口在作为输入
; i: A( ]; T5 V( q' e0 q" p" A通过一个触发器保持这个值
4 g0 e V* u/ q4 ?
# i& n: `* E5 {8 e) f想通过嵌入式逻辑分析器看看输出输入的波形* i4 s1 Q1 R" L4 N( w7 {
9 W7 w, ^4 Q1 f, \" F$ o但综合后
3 r8 I' l9 f: s& M$ N/ T# N作为输入的触发器没有没在逻辑分析器里面显示出来
$ g; t4 ]$ V; M$ t
+ r; U; V$ A% j, A应该如何写才正确?
M7 k2 \$ F- ~' A3 l
{, h! R. H/ w% a1 ~8 A# K" Y4 e`timescale 1ns / 1ps; J' r/ y# }5 E
module EP2S60F1020C5ES(
7 C+ y, q( X2 r) O i_Clock,
8 h- {( v9 o! z i_Reset_n,# K; F% ?# ]' f; h+ ?
io_CON1_B,
; j4 s' ]3 m+ f" I io_CON1_C,6 }8 ~( [; Q- S' j& u
io_CON1_D, K. E# V: b0 `
io_CON1_E,, @4 L9 z) Y ?
io_CON1_F,
6 x: }1 B* ]+ I4 V- j6 c8 {/ W //& a! @6 P- q/ ?* Z
io_CON2_B,+ i. ?! r8 U: A7 G- ~7 D0 z
io_CON2_C,% C. x. `% d3 E: q- ?1 A' ?( K
io_CON2_D,- N. M- f- T2 o8 \: n8 i
io_CON2_E,
$ E+ @! d4 }+ a! Y% p& f6 m, o$ Q io_CON2_F,
' J o( X4 G _! [ //# u! C2 y2 g4 m# v2 @
i_CON1_D2,$ h Y \% l1 E
i_CON1_D3,
% P2 m0 F7 ?# a3 k( K4 _ i_CON1_F18,3 V1 @8 c8 a% n# O5 W% U/ m
i_CON1_F19,8 ~: ?. O& E* d" [( J
i_CON2_B10,. A! m% g! x" M: c9 ~8 C0 p
i_CON2_B11,0 @' L- j/ s7 Q' O
data( _, S. \: z* J, P4 A, _4 t
);
5 G4 s0 {* x @0 \5 U9 A! G, i. I //: L$ a" |# j, q( K5 [1 z; Z. B
input i_Clock;
, [' Z* j* Q @" m input i_Reset_n;
/ \3 a8 E1 ]4 U: c- k5 P inout [19:0] io_CON1_B; ! w6 \* p& q% r' q/ f
inout [19:0] io_CON1_C;
" D" Q# b1 x( ?( N# P7 D' z inout [19:0] io_CON1_D;
& Y B8 z+ N. {* r# \9 t0 f8 R inout [19:0] io_CON1_E;6 G4 n$ E5 [" r. x# P3 z3 l7 f
inout [19:0] io_CON1_F;
& h! X: v- q# \- u. L* l. x) }% M inout [19:0] io_CON2_B;
. _' F8 L6 |0 C4 z1 e; ] inout [19:0] io_CON2_C;( i# K; W# X) w& ^3 U! |' d+ a
inout [19:0] io_CON2_D;( J# \& Z( B+ W2 q% p0 x
inout [19:0] io_CON2_E;
; M4 I, b& j8 J% {9 M inout [19:0] io_CON2_F;& c- U1 N4 r% e$ a4 {- `2 j: y4 |% @$ J
//
. E5 E* f5 I; T6 O- e+ r input i_CON1_D2;
7 a6 Y, e; }+ X( R0 J, b input i_CON1_D3;
: ]/ r7 f( E0 J+ ?; ^ input i_CON1_F18;
- a8 n( W" S- b input i_CON1_F19;
, W7 n, t0 o( U input i_CON2_B10;
& v5 x- I1 B7 U- D4 |3 p input i_CON2_B11;
. s. L+ U$ s: Z! y* L output data;
" m) N: A9 r1 O& l0 I/ T. F reg CNT_CON1_D2;' D- u! C! m" m
always @(posedge i_Clock or negedge i_Reset_n)1 M9 W. ~9 ^' V
if(~i_Reset_n)
& L g4 }( ?0 T0 s' j CNT_CON1_D2<=0;! _$ ]) u8 i0 `5 h* R( c* i L
else
. I0 ]# J; s4 b& T, p& _. D CNT_CON1_D2<=i_CON1_D2;
) l& [( {& n& Y4 b , ^) g/ U4 e$ c2 g4 l" r
//----------------------------------------------------------------
% L9 Z7 q0 V9 y% |1 m- Y . y7 ~; N1 ~. [, i' U
reg [9:0] CNT;
) l8 |1 p( j( P9 W0 X) [
) ?1 F, M8 r8 l/ J always @(posedge i_Clock or negedge i_Reset_n)' J& Q# h6 L- Y, `
if(~i_Reset_n)
9 B" c5 N0 h3 {' W0 }: h' l% j CNT<=0; _+ g$ E+ ^5 Z: R% l2 p+ ?" M0 k
else
$ w& x z! f6 o) R4 v CNT<=CNT+1;
1 m% p% c, G, D9 ~; t0 C o9 c //
1 F: { B4 X: U' ? assign io_CON1_B [0] =DAO_CON1_B0;
$ j) Q, o' @) q/ K- v. s$ I assign io_CON1_B [1] =DAO_CON1_B1; : L# Y+ G. ^ g
assign io_CON1_B [2] =DAO_CON1_B2;
* B* d6 I- P7 N9 }9 c; z# p assign io_CON1_B [3] =DAO_CON1_B3; ; |' I/ |0 s/ t$ ?3 J
assign io_CON1_B [4] =DAO_CON1_B4; 6 D d$ G1 W( E% U: O e, [
assign io_CON1_B [5] =DAO_CON1_B5;
" W: b3 Z6 M s- K' E j' r+ k assign io_CON1_B [6] =DAO_CON1_B6; ( C' e0 t i! ^' L! }$ R
assign io_CON1_B [7] =DAO_CON1_B7; X* U B i5 c S- s0 E
assign io_CON1_B [8] =DAO_CON1_B8; ) Q: |# d0 x% o5 n, x7 `
assign io_CON1_B [9] =DAO_CON1_B9; ' U" D ]6 Z8 ^7 U4 z) s* g
assign io_CON1_B [10] =DAO_CON1_B10; # L" n$ p0 ^3 P( ?- M1 Y/ |) X
assign io_CON1_B [11] =DAO_CON1_B11; 0 w* P) F! P" a ~
assign io_CON1_B [12] =DAO_CON1_B12; & ?; H7 [1 \1 b& [
assign io_CON1_B [13] =DAO_CON1_B13; : ?8 L* d2 n/ l* Q7 `( l
assign io_CON1_B [14] =DAO_CON1_B14; 5 a9 s7 K4 _: \7 C* k' B, B2 ~6 L
assign io_CON1_B [15] =DAO_CON1_B15; ' ~7 f% {* m# Y7 C' @0 r
assign io_CON1_B [16] =DAO_CON1_B16; $ w. Z: k/ R& E+ O0 A' v! J. ^& _) H$ r
assign io_CON1_B [17] =DAO_CON1_B17;
- X6 j" e/ P) Q) `$ B assign io_CON1_B [18] =DAO_CON1_B18;
d% t/ M6 k0 O2 [5 d8 S0 u8 g0 n assign io_CON1_B [19] =DAO_CON1_B19;
' V n A6 L# F+ z$ I assign CON1_B0 =io_CON1_B[0];
. |' \' D( a% D) Q1 J$ _ assign CON1_B1 =io_CON1_B[1]; , N2 p. x! r2 i; G- c
assign CON1_B2 =io_CON1_B[2];
$ P; N F8 h$ E! Y" s assign CON1_B3 =io_CON1_B[3];
' p" o/ i) H" u* H assign CON1_B4 =io_CON1_B[4]; 7 w. l4 B! N U/ ^+ D7 H
assign CON1_B5 =io_CON1_B[5];
4 m* p/ t( ]& U' S1 S) J assign CON1_B6 =io_CON1_B[6]; A: ?6 p& n, z8 u
assign CON1_B7 =io_CON1_B[7]; + W+ y# @' T& F7 _( ?( ?- ]
assign CON1_B8 =io_CON1_B[8]; ; I# p: E. \/ j" _# n* i- L
assign CON1_B9 =io_CON1_B[9];
1 u; I/ }& ]; N assign CON1_B10 =io_CON1_B[10]; 3 q; r3 G% }( Q4 v
assign CON1_B11 =io_CON1_B[11]; , A7 [ F/ \1 n" }3 p9 |
assign CON1_B12 =io_CON1_B[12]; , K) t' A r+ c) v. M
assign CON1_B13 =io_CON1_B[13];
6 q. L$ |5 f6 R" A: m7 O assign CON1_B14 =io_CON1_B[14]; ( A8 r( q* x9 S4 V* f& Y
assign CON1_B15 =io_CON1_B[15];
, d% E( N% C) m assign CON1_B16 =io_CON1_B[16];
8 E' a4 X( ?. d assign CON1_B17 =io_CON1_B[17]; + O; ]0 r' T6 w# C/ c
assign CON1_B18 =io_CON1_B[18]; ; W# D' v8 d9 R x' t: X3 n
assign CON1_B19 =io_CON1_B[19];
" g( P6 }! |6 w- i# G& \9 ]9 U% K reg DAO_CON1_B0;
7 o/ Q* i' a: @3 D* @# _4 R( I reg DAO_CON1_B1; - d6 y7 s! C9 d& w
reg DAO_CON1_B2; & P. t+ q" b& |! v
reg DAO_CON1_B3;
1 u' \5 t2 m6 s4 u U! B; A" @ reg DAO_CON1_B4; ) c; H+ ^4 x0 c2 u" `0 n- m
reg DAO_CON1_B5;
6 d# l6 W7 P5 p. t; S6 K reg DAO_CON1_B6;
4 Q. I4 X( O* h) L0 C reg DAO_CON1_B7;
. M. a/ O# D, g# A% [1 S reg DAO_CON1_B8; # T; `: c1 o" z
reg DAO_CON1_B9; : C" Z" D" W: S' s! {8 n; q
reg DAO_CON1_B10; ! b2 f# t( @; _+ u6 `; v
reg DAO_CON1_B11; : n( X9 u1 c+ } F& f
reg DAO_CON1_B12;
; a/ A6 [5 U, V, K8 x reg DAO_CON1_B13;
5 q: w4 L5 r6 @ m$ p- }9 @# d reg DAO_CON1_B14;
6 [7 A+ U1 w, G reg DAO_CON1_B15; & L5 p' x8 m X
reg DAO_CON1_B16; - s) r& S4 q+ Y5 ^ Z) b0 n
reg DAO_CON1_B17;
/ t) N0 v* z. S6 [2 Y' I! }$ x reg DAO_CON1_B18;
5 N8 H. j$ E4 v5 T3 A {1 K- r! }3 V reg DAO_CON1_B19;
7 e) d; D {( j5 w% r reg DAI_CON1_B0; : d8 \6 S; j s3 X2 M9 a
reg DAI_CON1_B1; 7 l' Q" ^; w2 |
reg DAI_CON1_B2; ! S9 Y6 y7 h4 m9 v$ X. w# k
reg DAI_CON1_B3; 9 E- E+ E. p) L0 N" @; W; E
reg DAI_CON1_B4; f% Y. B h1 [, |$ o. \4 m$ B" H
reg DAI_CON1_B5;
: n) d5 ?5 i& ?# o reg DAI_CON1_B6;
& ?& P5 Q0 [6 H% H- L" p reg DAI_CON1_B7;
2 N, [# m* o+ _ reg DAI_CON1_B8;
5 c3 G: m* V1 ]3 F reg DAI_CON1_B9; ) d1 y! a( J( ?2 m9 A: N; p0 n3 r% r
reg DAI_CON1_B10; / Q' K% V/ ~, Y# ^6 u* G% r+ x
reg DAI_CON1_B11; 5 j. \5 x! J& j! e
reg DAI_CON1_B12;
# ~3 t _+ `/ @ reg DAI_CON1_B13;
: a- \0 I! ?- N. |2 h reg DAI_CON1_B14; 5 V' S% u% l$ P: _$ g0 I: H
reg DAI_CON1_B15;
+ K+ m! v7 K0 C% U$ g7 } reg DAI_CON1_B16; 1 n+ ^& J2 ?8 W$ ~. H
reg DAI_CON1_B17; 2 d/ o- Z, \# K& O9 ?
reg DAI_CON1_B18;
5 ?* B2 \9 D4 g reg DAI_CON1_B19;
% ?, m5 h8 {& D( t+ G- N ( y' J* j2 n+ x( K1 L( F
//----------------------------------------------------------------7 g. V- e2 V0 E; [3 B# k3 |
always @(posedge i_Clock or negedge i_Reset_n)
% X# Q/ b2 |) _: l/ p if(~i_Reset_n)begin
5 f9 w) H9 I( @ DAO_CON1_B0 <=0;; s( R- G5 ^' X) _. x
DAO_CON1_B1 <=0;
2 y$ D; L- i) E: g6 B8 J DAO_CON1_B2 <=0;- h. K B, T/ d
DAO_CON1_B3 <=0;" @( \" N. V2 z& q
DAO_CON1_B4 <=0;) d+ b& E, P# U& ?# D \6 \
DAO_CON1_B5 <=0;
6 j9 ~! S" ~% [: F, `2 [$ |: J DAO_CON1_B6 <=0;
* b( [) \1 C$ V& ^! | DAO_CON1_B7 <=0;5 }" |$ r/ }8 U
DAO_CON1_B8 <=0;
2 \2 U7 ~0 l/ r DAO_CON1_B9 <=0;! c& ?' Z# S/ V
DAO_CON1_B10 <=0;
+ ?( I. D, J; K1 W DAO_CON1_B11 <=0;
. {( g d$ N8 e; k- e& j; A7 E7 Y# I4 W+ y DAO_CON1_B12 <=0;
5 V$ z3 g* L2 `8 d6 `5 { DAO_CON1_B13 <=0; H O9 {$ W6 X& I0 ~" g
DAO_CON1_B14 <=0;$ K. e8 A! Y1 A9 D8 K5 N% v
DAO_CON1_B15 <=0;1 y/ H3 D1 Z8 _. ^# L
DAO_CON1_B16 <=0;
/ W; |1 X% m, ~; W+ n DAO_CON1_B17 <=0;3 I6 P# w, J: g5 x$ u9 n8 ]4 O
DAO_CON1_B18 <=0; e9 E5 F; k8 F, x+ a1 J
DAO_CON1_B19 <=0;
. _, D+ s, ]% q end ' I4 o: \$ o3 |
else begin X/ X: X3 T# h. T. s2 J
DAO_CON1_B0 <=CNT[0];/ @# i6 {2 e7 L, C9 H% A9 X
DAO_CON1_B1 <=CNT[1];, Y. M6 [* P+ U3 a* }: b9 v
DAO_CON1_B2 <=CNT[2];
4 \: A1 g$ H6 W" w2 A* G, p% g DAO_CON1_B3 <=CNT[3];
4 @* n1 z. O: h" o DAO_CON1_B4 <=CNT[4];
, m1 _; u( K9 \+ V2 H DAO_CON1_B5 <=CNT[5];1 `" l, ` M0 C5 h5 A6 \3 D
DAO_CON1_B6 <=CNT[6];
. s+ J% f7 M( @' [! [ DAO_CON1_B7 <=CNT[7];) E7 @' v% F: K" Q% K
DAO_CON1_B8 <=CNT[8];) V% i" y" A* h
DAO_CON1_B9 <=CNT[9];% a9 l. {; I# R
DAO_CON1_B10 <=CNT[0];
b* @3 d6 N. N; ~5 z3 y# @ DAO_CON1_B11 <=CNT[1];
# f+ M2 e4 W' @! m9 s8 N DAO_CON1_B12 <=CNT[2];
/ z4 {+ q" b p% y- F DAO_CON1_B13 <=CNT[3];5 R( u! r0 p3 s1 |; ? G% V
DAO_CON1_B14 <=CNT[4];
+ |2 U- J$ V5 J9 v2 v7 X6 g DAO_CON1_B15 <=CNT[5];" n) A2 \3 @9 F8 N" J, J9 I* W7 K8 I" I8 g
DAO_CON1_B16 <=CNT[6];4 ]5 d8 `. h& w9 D
DAO_CON1_B17 <=CNT[7];/ Y" u2 s0 e- E/ {
DAO_CON1_B18 <=CNT[8];
) z8 k( l5 ?% d: t( }1 i0 j DAO_CON1_B19 <=CNT[9];- z) d3 n: J4 R1 q L/ P# l
end 5 L/ T+ J& i: `3 Q' `8 `/ e3 \$ d, X
always @(posedge i_Clock or negedge i_Reset_n) * E( p' ?) s7 e9 U
if(~i_Reset_n)begin $ o3 K$ S5 }. P0 R
DAI_CON1_B0 <=0;
- t# G E# ?' h, v: X% ] DAI_CON1_B1 <=0;
% y/ p& i# t! H( m DAI_CON1_B2 <=0;) q6 K' I6 x4 b. B9 E8 N8 n
DAI_CON1_B3 <=0;( v* `9 _) G) a$ s5 E/ r# ~3 e
DAI_CON1_B4 <=0;& o8 G0 B) i) f. O
DAI_CON1_B5 <=0;
. t- E3 _& @6 l& ?! P. C5 A DAI_CON1_B6 <=0;' }. g2 l: T) j. t
DAI_CON1_B7 <=0;2 |8 L2 w6 x$ D$ m' y+ o
DAI_CON1_B8 <=0;
: D4 [8 l& @; K$ W: Q" ] DAI_CON1_B9 <=0;& g) ^& v/ T2 }# k8 E$ P% j
DAI_CON1_B10 <=0; a6 [0 x' n) n: j0 }9 |) S
DAI_CON1_B11 <=0;9 X6 _$ _, ?4 Z; c) `5 b! s( l( l Q
DAI_CON1_B12 <=0;
# p6 y. {2 x5 y* H2 F DAI_CON1_B13 <=0;4 v, |# v# z; a0 B/ a: u
DAI_CON1_B14 <=0;1 b& H7 p$ ?( K2 H4 M3 f
DAI_CON1_B15 <=0;
# r! M% V* K. d: i- d1 w$ k DAI_CON1_B16 <=0;
! c- S: [* z5 w9 |# b% b: x DAI_CON1_B17 <=0;6 K6 A- m( c0 c& ?2 A
DAI_CON1_B18 <=0;" Y& W3 W$ M# h- F% D
DAI_CON1_B19 <=0;
5 R& O2 V0 @% \7 ~7 X/ z" R/ z5 \ end
8 D% I' K/ G1 M' f) X else begin & F% _) y, x1 a( T
DAI_CON1_B0 <=CON1_B0;* O% w3 u4 ?% F% b
DAI_CON1_B1 <=CON1_B1;
- S% Z* X1 \3 Y; t DAI_CON1_B2 <=CON1_B2;& X$ ^) m- E; ?0 D1 M( N
DAI_CON1_B3 <=CON1_B3;5 s2 `; j, {0 J
DAI_CON1_B4 <=CON1_B4;
6 z1 _& I$ J8 R, y( J DAI_CON1_B5 <=CON1_B5;1 ~/ Q: r. X' W( I1 V
DAI_CON1_B6 <=CON1_B6;9 g' |' s2 N* M3 F) k0 S
DAI_CON1_B7 <=CON1_B7;) t( M: d+ t/ v
DAI_CON1_B8 <=CON1_B8;2 J* a9 Y4 u5 N4 l7 m" [
DAI_CON1_B9 <=CON1_B9;
- A$ k7 }. i. A8 P DAI_CON1_B10 <=CON1_B10;# Y; I# E% |# g
DAI_CON1_B11 <=CON1_B11;# h+ A& u& |6 B, k2 }+ C
DAI_CON1_B12 <=CON1_B12;! }) r( E. O7 ?1 l9 [. |* _
DAI_CON1_B13 <=CON1_B13;
5 s% `0 K# s* m' b9 s, O1 h0 y DAI_CON1_B14 <=CON1_B14;+ O0 j5 a8 H- e7 |5 ^
DAI_CON1_B15 <=CON1_B15;
+ {3 }, j# ?: A- C DAI_CON1_B16 <=CON1_B16;
. w2 c \/ x4 K& J* H DAI_CON1_B17 <=CON1_B17;+ f7 R' Y- L4 E* J! }7 T [7 D$ C) W
DAI_CON1_B18 <=CON1_B18;+ u( Y6 X5 X: U
DAI_CON1_B19 <=CON1_B19;/ J" e- k0 r% [, S
end
2 ^( o: A% e! G1 _$ E5 d ........................: f7 w; _% Z- f
endmodule |
|