TA的每日心情 | 擦汗 2020-1-14 15:59 |
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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?
0 m, B; n! @. G E0 [9 x8 I# _为何按照下面写的不太对?2 c' W7 `: {. B" z+ M+ x+ I: o' S$ M+ P
) R7 G* Z4 H/ r9 `' s
我的思路是:$ o3 m6 N+ Z# W" X# ^
/ y# m! t1 d# P* _. @ F$ B$ N
设置一个计数器,20位$ O/ B$ t- j/ i7 Z
将每一位输出到对应的io口3 Y7 b3 N' e R0 q( s) [
io口在作为输入
& W: X3 T' D1 V通过一个触发器保持这个值
I8 K! B0 K2 K- @& ~4 \
7 {4 @; `7 F7 M3 f: `想通过嵌入式逻辑分析器看看输出输入的波形
4 U8 F8 d3 q+ r$ c9 J: W( d- Z' B: ~1 w' O# d) m+ ~6 _
但综合后) d) N8 O7 L4 I+ U$ s3 G
作为输入的触发器没有没在逻辑分析器里面显示出来: `( U3 w# d* I4 I- V
@, h/ ?% H, @1 d6 X
应该如何写才正确?/ R0 y% g' a0 r- D5 F! _/ Y, e, a
2 ]8 v6 ~" @! U* _# |, D% c2 z`timescale 1ns / 1ps( G r- _/ [: v+ R( [& Q2 |; z
module EP2S60F1020C5ES(
- N2 w2 T* ]0 Q% {, @. k i_Clock, " b9 L- M, f$ i8 Q6 i9 f- M; i
i_Reset_n,+ c `7 ?) B3 v* x6 p- B
io_CON1_B,
3 k0 G" g" _8 ?0 b! c) x# d% z io_CON1_C,
" A- D* \1 Z: r1 g) v' Y, [ io_CON1_D,
( x) Y" A! n9 w; @! u io_CON1_E,
- P2 h% h/ W# h5 [+ I5 q/ U$ Y" k3 q io_CON1_F,
2 _* `* Q, Q% H1 I9 ^/ ]& M9 b //. g' l# }: y { ^
io_CON2_B,
% ~( x0 a t5 W' ]# g io_CON2_C,
: _/ Q7 k2 R0 J0 b8 L io_CON2_D,
5 ` m5 P7 ?4 {! k. U; _ io_CON2_E,! d# i2 `+ ]+ s: m1 ^9 H5 P% w
io_CON2_F,
9 h' [+ g3 n+ n( D3 e2 e- g, U //2 q+ y: \! a4 o9 r% d( l2 f
i_CON1_D2,& V; e/ v; \. `! p+ |8 N" i
i_CON1_D3,
' }8 d i* B5 I4 o5 [3 _9 N i_CON1_F18,
6 \9 c6 x( G D( h9 \: x+ h' G3 W. H i_CON1_F19,
# r% I3 y$ d5 b2 O& Z9 x i_CON2_B10,
( n9 }& d$ F& Z) i. I i_CON2_B11,
) E0 o8 R7 V9 F4 r0 |. q* ~ data3 N: O k8 t) Z3 {* }5 ?% O) J; `. ]
);& u/ c* t. H# {
//
7 R1 r4 w& z9 ~/ [5 Z input i_Clock;, G6 \( o( p# w4 a) x G0 K
input i_Reset_n; 7 Y* g, c" a D2 k/ h
inout [19:0] io_CON1_B; ! t2 M2 t+ E" X! J, v" V
inout [19:0] io_CON1_C;
% m, { h, M/ b" V5 l# X inout [19:0] io_CON1_D;# r5 z; h! i* f2 L
inout [19:0] io_CON1_E;
3 X7 _8 U: W9 o; K |7 `4 |0 _ inout [19:0] io_CON1_F;
e4 i: {# @+ G; B; L& n inout [19:0] io_CON2_B;
" o4 A9 @" U# y6 v: g inout [19:0] io_CON2_C;9 D# Z6 C5 w) m' h, Z0 r3 O
inout [19:0] io_CON2_D;
4 v/ R w5 O' h$ g5 Y- K; J( |% W inout [19:0] io_CON2_E;7 Y7 ^& U( W) c% r* i
inout [19:0] io_CON2_F;
( W" t: m! N: Y- E; M8 e' g x% L //: C4 e/ ^% O7 d! }- N
input i_CON1_D2;( u# B* ^2 S$ ]+ s* v Y
input i_CON1_D3;
7 b" _1 R! }$ C/ \1 D) j input i_CON1_F18;$ [' j+ W# g% p$ D* D4 ^
input i_CON1_F19;
# z8 A- t" O: V) M/ ~ input i_CON2_B10;7 W/ P/ n, H& I2 ^& y/ ^" q
input i_CON2_B11;0 O' ~1 l2 Z2 i2 M# e9 S. T
output data;
. V* K6 f0 d( ]- U6 e reg CNT_CON1_D2;. `! }, R! g9 o n, ~8 i
always @(posedge i_Clock or negedge i_Reset_n); c) g1 F" }# l% h( a
if(~i_Reset_n)
9 M9 e( _7 K( D. z' u CNT_CON1_D2<=0;# q( ~9 B- W* x. }9 T3 y T
else8 B5 l0 J" t+ ^8 d* r
CNT_CON1_D2<=i_CON1_D2;/ w0 g/ W3 }: F, }& p! L& B7 y b% ]
# i; e5 i3 Q3 N //----------------------------------------------------------------$ u& ~2 u6 Z/ r$ R1 W/ l
7 p, \7 R$ S# R% L1 Y
reg [9:0] CNT; 5 |4 K0 ^0 h3 P0 K: I6 | E* Y
( f1 E. B: A, F0 W$ f" d2 y always @(posedge i_Clock or negedge i_Reset_n) Q: I7 ?- x" Q: q1 {5 h
if(~i_Reset_n)/ ]; D* w+ k8 c1 {" d7 u
CNT<=0;
1 c$ s/ R' k- M" x2 X2 \; M. _ else
% x. R5 A6 @4 A' s' K. q: ?4 E: M CNT<=CNT+1;' c" T9 t# Q0 C0 |- ]' p8 B
//3 d/ |7 e3 C2 r0 N3 q
assign io_CON1_B [0] =DAO_CON1_B0;
" }& S2 |) X/ T9 g/ O& g assign io_CON1_B [1] =DAO_CON1_B1; 3 H6 v1 I+ L2 o2 e2 i
assign io_CON1_B [2] =DAO_CON1_B2;
" j' Q, |* ?: k k& A assign io_CON1_B [3] =DAO_CON1_B3;
6 Z; \0 D8 H& {* R assign io_CON1_B [4] =DAO_CON1_B4;
( j3 O# Z! _0 k+ ^( k assign io_CON1_B [5] =DAO_CON1_B5; # m* J4 _; N5 x
assign io_CON1_B [6] =DAO_CON1_B6; * `6 z& U# G4 k' V8 H) l
assign io_CON1_B [7] =DAO_CON1_B7; ! L# ?, |8 ^+ ]2 b* d3 S, |* f& x' ~) R5 `
assign io_CON1_B [8] =DAO_CON1_B8;
6 H5 n6 F9 m7 H5 K9 M; ~+ @ assign io_CON1_B [9] =DAO_CON1_B9;
) t2 u2 y+ C, v# e assign io_CON1_B [10] =DAO_CON1_B10; ( y$ w) x3 ~8 ?( f2 d3 k
assign io_CON1_B [11] =DAO_CON1_B11;
3 j6 Q4 e/ L+ K assign io_CON1_B [12] =DAO_CON1_B12;
7 t/ E% s# W1 D3 S* a assign io_CON1_B [13] =DAO_CON1_B13;
5 m8 \9 e; a `- B j6 T assign io_CON1_B [14] =DAO_CON1_B14;
% O8 S+ ?+ x9 b assign io_CON1_B [15] =DAO_CON1_B15;
* p, L# U# T3 O0 m' a assign io_CON1_B [16] =DAO_CON1_B16;
3 u! N2 B# J- F( y/ u assign io_CON1_B [17] =DAO_CON1_B17;
7 Q7 _# S {: W assign io_CON1_B [18] =DAO_CON1_B18; " z# ^3 S; F; I
assign io_CON1_B [19] =DAO_CON1_B19; 2 l" a9 D+ a& m7 Q/ ]. G8 P# Y3 [
assign CON1_B0 =io_CON1_B[0];
|0 _9 v" H4 w& q0 }' {8 @ |" n( Q assign CON1_B1 =io_CON1_B[1]; . c* W5 X) f9 k3 a! y: N: P& o
assign CON1_B2 =io_CON1_B[2]; 3 _3 Q3 J( m6 B( U3 R4 M' M2 S
assign CON1_B3 =io_CON1_B[3];
6 q- O) w" d7 t* V$ D, J- D assign CON1_B4 =io_CON1_B[4]; . @8 o a6 {; Z/ q/ R( m
assign CON1_B5 =io_CON1_B[5];
6 O' T- P9 y# V6 k8 Y9 Q assign CON1_B6 =io_CON1_B[6]; w9 o: t/ f6 o7 R
assign CON1_B7 =io_CON1_B[7]; 6 w: t: Q* K, X# @4 Z# @
assign CON1_B8 =io_CON1_B[8];
, k9 X; C. R0 Y5 a$ a V8 E" f assign CON1_B9 =io_CON1_B[9]; ) T" V$ w) U' h
assign CON1_B10 =io_CON1_B[10];
& O& @. J/ |. S( [ assign CON1_B11 =io_CON1_B[11];
. D- X* b8 z0 _( m8 x1 j& C" p assign CON1_B12 =io_CON1_B[12]; 4 C0 M* b- B# \$ w* G
assign CON1_B13 =io_CON1_B[13]; * w/ H' c+ t0 k- g8 [' j9 C# o
assign CON1_B14 =io_CON1_B[14]; 6 U# q/ M$ ?$ O \9 s7 g% K7 I
assign CON1_B15 =io_CON1_B[15]; ! w# K& G( ^# q+ P5 r
assign CON1_B16 =io_CON1_B[16];
. \; u. j1 N7 F1 R2 i# g assign CON1_B17 =io_CON1_B[17];
( e/ j. D. v% K# Q6 ^ assign CON1_B18 =io_CON1_B[18]; 8 }: Z/ j: }( z* {! `8 ?) g
assign CON1_B19 =io_CON1_B[19]; & }, p2 n! a2 t4 |, W5 E4 f( m
reg DAO_CON1_B0; 8 L8 Y+ U: z9 m
reg DAO_CON1_B1;
+ ^8 H8 n& s" ~* i( _: ? reg DAO_CON1_B2;
' r5 E0 h6 x( d% k1 @0 P reg DAO_CON1_B3;
# o2 G& n, g& f3 s8 `% `, r* B reg DAO_CON1_B4;
3 T6 ^8 o: k) G- M reg DAO_CON1_B5;
5 a7 |" t, G7 M reg DAO_CON1_B6;
- k e4 S' |" p reg DAO_CON1_B7; # ` A: W3 I1 W# [1 z: t! ^5 o
reg DAO_CON1_B8;
. s$ j; D0 ?6 o8 _1 Q' p6 X; s reg DAO_CON1_B9; J6 o/ p3 W \) D/ L* r5 l
reg DAO_CON1_B10; ' `# J$ M, k* O6 q& R
reg DAO_CON1_B11;
0 z# l. y5 n+ v& C7 G% D$ f1 s" \ reg DAO_CON1_B12; 1 W! S1 @7 ?6 l3 p' x
reg DAO_CON1_B13; 4 B4 b% e0 g. \8 [
reg DAO_CON1_B14;
8 F0 g& I4 p2 J1 X' J) [, z reg DAO_CON1_B15;
# N: ~/ X% D* E reg DAO_CON1_B16; 8 ?+ Z- t4 I+ l1 R+ Z9 d- ~
reg DAO_CON1_B17;
: b& i( A$ ~* N: y reg DAO_CON1_B18; # I9 }8 M3 u# A) q) f e
reg DAO_CON1_B19; # t% z+ p$ v; x6 X0 l" g. q9 W6 ]6 S! r
reg DAI_CON1_B0;
' Q1 t9 t; c2 Y; |" b! h reg DAI_CON1_B1; # i/ _4 B7 Y( ~+ R5 ~6 |: `$ ?2 w
reg DAI_CON1_B2; 9 |* H+ p! k. l# ?0 s& g; Z' F3 _$ P
reg DAI_CON1_B3; 9 k D7 [, x7 ~
reg DAI_CON1_B4; " T& G! @4 G5 \
reg DAI_CON1_B5; * H1 m4 \) |& S, Q S
reg DAI_CON1_B6; 8 k; ] J/ L" f9 y$ s7 G$ H8 |
reg DAI_CON1_B7;
/ Y) D' `' Q' w' `. Z! W reg DAI_CON1_B8;
0 a! {5 S- j7 h! R0 _" K reg DAI_CON1_B9;
- d* D. R6 O1 p5 h reg DAI_CON1_B10; . U+ d8 A! `- G
reg DAI_CON1_B11;
( P* Z D c+ f" }/ Y reg DAI_CON1_B12; 6 G0 Q$ l- \2 B4 L; D1 x
reg DAI_CON1_B13; 0 P. O; x5 W2 q! X Z2 z3 J
reg DAI_CON1_B14; ) z! k2 o) S+ Z
reg DAI_CON1_B15;
# y' R3 \; S8 L0 L. a% h' O reg DAI_CON1_B16; ! ]* I$ o* c$ F
reg DAI_CON1_B17;
& J$ W# w# L: `0 `# s reg DAI_CON1_B18;
% @1 Y! q1 @$ L- {8 N' t0 K( X reg DAI_CON1_B19;
* D4 r( F9 Q+ o" E9 R( Z" z 6 z K. q! ?4 l7 R" X
//----------------------------------------------------------------6 x# M' i; }- S+ x6 Y: J
always @(posedge i_Clock or negedge i_Reset_n) . ~" Q2 X! `; n9 }. @$ R
if(~i_Reset_n)begin 7 `) K# y% T7 y/ G4 O- P
DAO_CON1_B0 <=0; x" M B+ E9 K5 G" f
DAO_CON1_B1 <=0;
9 M5 G5 D/ ]. T DAO_CON1_B2 <=0;
1 o8 \% N# H$ i DAO_CON1_B3 <=0;
) f) v. W( ]! i# N3 P DAO_CON1_B4 <=0;
/ B& f8 A, s, l2 l DAO_CON1_B5 <=0;
8 H: }3 ~/ `, y7 T' ~ DAO_CON1_B6 <=0;
# m3 ^5 i( a/ b: f" \ f! p DAO_CON1_B7 <=0;5 o- i# I T! H7 X \
DAO_CON1_B8 <=0;
5 ?) o/ Q8 R4 K# I DAO_CON1_B9 <=0;
. E$ g1 K' g, @2 `' S: i3 z+ S DAO_CON1_B10 <=0;7 l) b1 N" U! R
DAO_CON1_B11 <=0;" l# P9 j3 B6 Q
DAO_CON1_B12 <=0;' }3 {! `4 D6 [4 N4 C8 x
DAO_CON1_B13 <=0;
/ |. Z( v8 [2 e, s' Q: Q DAO_CON1_B14 <=0;
; l9 l7 S& E0 N5 O2 l5 I4 k- e DAO_CON1_B15 <=0;8 l2 N( A6 N1 ^ B0 I
DAO_CON1_B16 <=0;
; I! U, y' a( D; A2 D5 `/ F DAO_CON1_B17 <=0;3 U' J2 e2 y( R8 e0 V& u6 @* D5 e
DAO_CON1_B18 <=0;+ z7 @) d) N6 O6 m, S
DAO_CON1_B19 <=0;
+ K- |, j. V: R' m2 f& h end : z& G% p, ?4 T1 d: }! X9 m8 k! Y
else begin
& I* w% M+ B7 T; s DAO_CON1_B0 <=CNT[0];9 g' G6 K7 b, m
DAO_CON1_B1 <=CNT[1];
% N6 l4 `$ n1 N DAO_CON1_B2 <=CNT[2];
8 f6 t5 o- D$ L$ M* u! D DAO_CON1_B3 <=CNT[3];5 p) E- P! b: r4 i0 ]0 H- i
DAO_CON1_B4 <=CNT[4];1 W* v; n: ?! [6 k4 ~! A
DAO_CON1_B5 <=CNT[5]; M, l0 ]* h8 l8 e/ f' l
DAO_CON1_B6 <=CNT[6];* K2 ?) I, G- x3 y3 |
DAO_CON1_B7 <=CNT[7];
( m, n5 Y, I& ], o DAO_CON1_B8 <=CNT[8];) I) `- \, x" Y g
DAO_CON1_B9 <=CNT[9];
b0 `( ~- M+ t B DAO_CON1_B10 <=CNT[0];
; k* P8 W* v; t( q5 a DAO_CON1_B11 <=CNT[1];/ k8 i! z j1 _9 F: |
DAO_CON1_B12 <=CNT[2];& K/ t3 W3 g; j2 {9 q# d
DAO_CON1_B13 <=CNT[3];
) |% U$ n* Z% g, v: t& R' n DAO_CON1_B14 <=CNT[4];
+ `* b' N! q, w5 G1 [3 X4 P% m$ ?6 ? DAO_CON1_B15 <=CNT[5];9 D3 |- ?/ h( E) }
DAO_CON1_B16 <=CNT[6];
) S$ i' K& ^5 Z% {+ C9 D4 n) W DAO_CON1_B17 <=CNT[7];/ ]9 _. y( L" O9 q
DAO_CON1_B18 <=CNT[8];, T* C& M& g6 k2 k" O
DAO_CON1_B19 <=CNT[9];. f% q; n* ~$ E* x" ~8 y- x
end ' p0 F5 @: I/ w1 b
always @(posedge i_Clock or negedge i_Reset_n)
R2 E6 r4 n9 U& L* n4 o5 } if(~i_Reset_n)begin
" m) P; c- r- |; J( g e DAI_CON1_B0 <=0;
. k" D& G2 t4 k' F0 M2 U DAI_CON1_B1 <=0;1 d9 M4 _% m3 t0 `& m4 {# a; r8 r Z* p
DAI_CON1_B2 <=0;
]! M$ W$ t$ L4 H DAI_CON1_B3 <=0;
9 G! o3 A2 |0 [8 m) o DAI_CON1_B4 <=0;9 S6 ~# Z/ V* F5 j
DAI_CON1_B5 <=0;
+ O( R7 H% h' S1 I DAI_CON1_B6 <=0;
* P4 T( x# C M$ v2 k F( _ DAI_CON1_B7 <=0;
. a% I/ t* s$ [- L" O4 m) j DAI_CON1_B8 <=0;
5 P1 n' I/ Z7 i# h/ ? DAI_CON1_B9 <=0;, f! n4 r$ s1 t1 r4 V' P3 b
DAI_CON1_B10 <=0;
, B/ S2 R. z9 M7 }+ R8 D: L DAI_CON1_B11 <=0;3 D$ ^( H; C3 Q$ y5 Z# ^! B4 ]
DAI_CON1_B12 <=0;
; i/ ~. T7 r( `: J$ A! ] DAI_CON1_B13 <=0;& r. B& H: _ N- D( s
DAI_CON1_B14 <=0;; J+ }+ V# f* m( x9 J8 m2 v6 a K
DAI_CON1_B15 <=0;& F5 t+ I' J6 r! W$ c( ~; D
DAI_CON1_B16 <=0;. n* O0 b- ]- H
DAI_CON1_B17 <=0;' k; `/ K! j9 B
DAI_CON1_B18 <=0;* p! w* C1 L8 v; E$ H) |
DAI_CON1_B19 <=0;
. h) U' C% B" H0 Q6 Q E. ? end
& E- ^% g1 w% s3 A) v else begin ( f& f" c! r! s* S& d4 N; i. j
DAI_CON1_B0 <=CON1_B0;5 }, a2 B- e% l$ ]( J# J
DAI_CON1_B1 <=CON1_B1;
& z6 K3 a/ s% Y0 a x DAI_CON1_B2 <=CON1_B2;
- \7 M* @6 {6 E, s3 W) X- E DAI_CON1_B3 <=CON1_B3;
}* r) M* u9 i! } DAI_CON1_B4 <=CON1_B4;& E8 U8 W2 T4 y- |
DAI_CON1_B5 <=CON1_B5;' D/ _! f( u* y2 q
DAI_CON1_B6 <=CON1_B6;) t3 m7 q0 g0 p+ U1 w
DAI_CON1_B7 <=CON1_B7;
, L8 X+ ~/ y9 A DAI_CON1_B8 <=CON1_B8;
: ^9 S* c9 k: U$ z9 [5 K; E DAI_CON1_B9 <=CON1_B9;, a1 A1 R: A2 ^. `
DAI_CON1_B10 <=CON1_B10;
* L! b3 n# `+ j4 e! }9 p DAI_CON1_B11 <=CON1_B11;+ f" T2 T) f+ n. H2 ~% H6 b( H
DAI_CON1_B12 <=CON1_B12;
. n, i" w k+ J( ` [ DAI_CON1_B13 <=CON1_B13;
, f, N" S/ p) A0 ~: L: M; v K; J DAI_CON1_B14 <=CON1_B14;
* P# J( l: [" c& D7 s7 i; p0 X DAI_CON1_B15 <=CON1_B15;
8 `& |7 R1 @. V( D" W/ e& \ DAI_CON1_B16 <=CON1_B16;/ d/ }: e0 P' l% ^. H
DAI_CON1_B17 <=CON1_B17;* L9 B$ y4 p0 d. a% Y) q4 J
DAI_CON1_B18 <=CON1_B18;
5 V4 U; z Z& a DAI_CON1_B19 <=CON1_B19;& J' K' \" Y6 C/ o
end 5 v4 `3 g; i. E$ j' ?
........................8 H" {2 J# Y# W' P
endmodule |
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