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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?
3 F! z. Z N2 M5 N0 b8 p为何按照下面写的不太对?
, V0 u5 I0 _. o$ `" U' o i8 D# [% w/ p6 i+ Y8 `) `+ w
我的思路是:
% Y- M& ~% v" K/ m. w9 ]% n. m5 Z8 j) o; a' Q- S E1 @& h+ [
设置一个计数器,20位
+ q3 M/ h* A$ x/ w. O将每一位输出到对应的io口
) O0 [& y( o$ ?7 Y2 o4 yio口在作为输入! l( d! ?, @' E
通过一个触发器保持这个值! y& z# D) V5 l; I, P+ R' O
# O0 E! y; u' j# _5 ]* R想通过嵌入式逻辑分析器看看输出输入的波形
- ~8 v m$ o+ f8 P) s- d
! Z; R6 |4 D9 { k但综合后: M% q! S& m, H- K. ~- P' N( k
作为输入的触发器没有没在逻辑分析器里面显示出来# t5 l2 n5 \) i |0 T
1 Y3 @2 t& P0 g7 }
应该如何写才正确?
# s" a$ m; v: T3 |! D% ]& c5 J/ N6 ~0 l. F1 G) l& `: M
`timescale 1ns / 1ps. H7 X' a9 e- f/ X1 n
module EP2S60F1020C5ES( : h: d4 u/ C. A5 e0 |7 E+ b5 q
i_Clock, 2 h# d8 b/ f$ R+ Q
i_Reset_n,. L" {9 K0 \2 \. T- }
io_CON1_B,0 U9 G1 w" ^! w% c+ @2 N ]
io_CON1_C,5 J2 N' w) ]$ j' y+ C
io_CON1_D,. K- w ^6 Y( |1 e* q! n
io_CON1_E,8 N! o1 _7 w) C J! {7 K/ D+ O
io_CON1_F,- |7 D2 ~* P$ {4 D+ `
//
* `$ O5 I1 u, A" Z0 Z# I% Y io_CON2_B,* I6 R V7 {, R: U
io_CON2_C,$ Y: U9 D. ]6 h. w8 z$ m- m# C
io_CON2_D,
4 I4 }( c9 W* C ]0 J9 i; b" U/ q io_CON2_E,
% y$ p+ P' N* }( b3 K io_CON2_F,6 r) ]* i1 h, I& @0 W$ A
//
. }9 o# u( G* C; T; U5 | i_CON1_D2,
! L4 `7 k" ], } i_CON1_D3,
) S$ J- y* n+ X4 j i_CON1_F18,) ^( }4 m$ |% q! D Q" V& t6 t
i_CON1_F19,
6 y6 z+ e2 o6 T1 E+ w i_CON2_B10,
2 n8 `! Y5 N" Z- ^* L8 U i_CON2_B11,
8 C' ]/ I6 h7 u data
# s/ Y5 k8 M! H0 `$ y$ \, d );
- C. O. Y+ G4 D- S8 g //
' [; p2 i% I6 r3 ^! ~8 ?; p$ e input i_Clock;8 y9 O/ W- P8 ?" x8 }
input i_Reset_n;
1 H: J* v3 i$ d inout [19:0] io_CON1_B;
* N( q/ L0 Q# a( t: D" g5 ? inout [19:0] io_CON1_C;* H; t% w) m0 j- C. N
inout [19:0] io_CON1_D;9 _" `5 o( ^$ X$ P' S! x X) t, K! V
inout [19:0] io_CON1_E;
& P) I+ P, M( L0 M8 \) p7 n inout [19:0] io_CON1_F;9 M4 z9 z8 @9 j1 f! _' t3 s
inout [19:0] io_CON2_B; 6 s* U- y- D+ Z: R% B7 n
inout [19:0] io_CON2_C;
) j6 m g/ d2 e8 O E inout [19:0] io_CON2_D;
' T. I4 B; ]/ f, A3 v9 _ inout [19:0] io_CON2_E;
+ g9 F' H, p, n: ] inout [19:0] io_CON2_F;$ \$ T; K" s/ [; O* j# z/ G# P# A* }
//) m. l& p1 g# `2 @/ B* X( @
input i_CON1_D2;" ~% v4 j3 ~+ [9 E
input i_CON1_D3;
' Y: T8 T8 v# m8 K4 j input i_CON1_F18;# p" C$ T6 g* [# i
input i_CON1_F19;
6 [* u3 O( W1 y& ^; N+ P input i_CON2_B10;
6 n. d3 }1 R# _' p input i_CON2_B11;
s9 E% p. U: |# K" L1 e2 n output data;
. u5 y$ @, m: O9 h reg CNT_CON1_D2;
4 [% k1 z) z- F9 N2 w/ D" [1 L- b always @(posedge i_Clock or negedge i_Reset_n)
" d" ?: A X, h" c6 X if(~i_Reset_n)
, {4 [ Z( o; ?7 X, ~8 f5 M CNT_CON1_D2<=0;
* C0 Y [. p. l6 v4 B! U else% }2 V: J+ \. V5 S5 E2 ?* L
CNT_CON1_D2<=i_CON1_D2;/ M h( @$ w& u! P8 ~/ t+ ?
R+ W; Q5 _* f
//----------------------------------------------------------------
3 W$ i0 H! B, [+ ` ; H, f" O9 E3 c: `( q4 ]0 I; o
reg [9:0] CNT; 3 D9 F. \; P2 G" i
7 Y: N( j# D! F0 t$ D4 Q) E always @(posedge i_Clock or negedge i_Reset_n)3 P, m# X) ~. A4 v; r
if(~i_Reset_n)$ Y* m" y2 {3 z' Z2 x% z
CNT<=0;' P3 N3 G2 O5 z1 K
else
. g% g5 [: F4 {9 n( U/ H4 e CNT<=CNT+1;+ @! c0 `6 `) J- c2 n. y
//
. q) B" N7 K. [* N# w6 F assign io_CON1_B [0] =DAO_CON1_B0;
: t& i' \$ L5 z1 X' W assign io_CON1_B [1] =DAO_CON1_B1; 5 W1 d9 P6 v4 k) \8 M' B
assign io_CON1_B [2] =DAO_CON1_B2;
3 [. a' J$ P5 N1 i+ ]; u& s assign io_CON1_B [3] =DAO_CON1_B3; * q, \- E- @! [' P, C2 X3 u- K
assign io_CON1_B [4] =DAO_CON1_B4;
5 ~6 C* |7 W, H1 h/ ~+ @7 C/ a assign io_CON1_B [5] =DAO_CON1_B5; : j+ t) c$ ?: h0 E8 t
assign io_CON1_B [6] =DAO_CON1_B6;
& D4 {- ~5 ? M- [: v assign io_CON1_B [7] =DAO_CON1_B7;
" k4 r3 Q4 f9 R# a% E# { assign io_CON1_B [8] =DAO_CON1_B8;
3 O6 w2 i# T7 g, c2 g, U6 i4 g assign io_CON1_B [9] =DAO_CON1_B9; / ~, r( M5 `% Q" a# X" p
assign io_CON1_B [10] =DAO_CON1_B10;
7 K; f* _* ^( m5 W5 j0 ? assign io_CON1_B [11] =DAO_CON1_B11;
8 T/ ~! k1 p6 _& {, y assign io_CON1_B [12] =DAO_CON1_B12;
. g% H- t% y k$ ~. K assign io_CON1_B [13] =DAO_CON1_B13; 4 c( m2 a2 x) u: Y+ ~. m' x; i
assign io_CON1_B [14] =DAO_CON1_B14; & F/ A6 r; T! W8 h2 Q
assign io_CON1_B [15] =DAO_CON1_B15;
+ g x6 s, d; B assign io_CON1_B [16] =DAO_CON1_B16; " H- p3 Z( U" N; `' D* \; X
assign io_CON1_B [17] =DAO_CON1_B17;
# \% |3 u I2 A2 S W assign io_CON1_B [18] =DAO_CON1_B18;
* B: x6 V6 I" `& Q! `: } assign io_CON1_B [19] =DAO_CON1_B19; + }. d+ u+ X' C4 C: R L
assign CON1_B0 =io_CON1_B[0];
; m" ~' z7 x0 H' {" l assign CON1_B1 =io_CON1_B[1]; : j B$ W% D& D: X
assign CON1_B2 =io_CON1_B[2]; & ~; _$ Y* ~- P: D0 D8 G4 }' m
assign CON1_B3 =io_CON1_B[3]; 3 _" A* ]! F1 S9 W: D* l
assign CON1_B4 =io_CON1_B[4]; ! k. P8 r6 u5 I; C' f. i
assign CON1_B5 =io_CON1_B[5];
% }( C4 A6 y* J assign CON1_B6 =io_CON1_B[6];
2 w2 Z9 `6 q. l6 J1 q( E assign CON1_B7 =io_CON1_B[7]; + e) X9 p, b. |- w9 ] t
assign CON1_B8 =io_CON1_B[8];
k1 ?+ ~" g: S: h assign CON1_B9 =io_CON1_B[9];
# U$ e. s. B! @5 R* c4 H/ [, [ assign CON1_B10 =io_CON1_B[10]; n+ R2 V4 S$ R3 }$ W" i2 T _
assign CON1_B11 =io_CON1_B[11]; ( R, L" i: z: V' B" |
assign CON1_B12 =io_CON1_B[12];
2 B$ {3 i( ]1 J7 G8 c. C# |' _ assign CON1_B13 =io_CON1_B[13]; # M3 _2 X: @, z7 d) m c# q
assign CON1_B14 =io_CON1_B[14]; 9 y) j$ y. z, n6 ]! f: G) X2 c
assign CON1_B15 =io_CON1_B[15];
7 y( q, ?$ m, _! P* A2 E# X. q+ e+ \ assign CON1_B16 =io_CON1_B[16];
" N( v; O k! ?# h$ h! U assign CON1_B17 =io_CON1_B[17];
i* A+ c4 y2 a- l3 F v assign CON1_B18 =io_CON1_B[18]; ) R* @: W2 o1 d" r$ T# H
assign CON1_B19 =io_CON1_B[19];
) t7 g1 u" ?" R8 V, V& U reg DAO_CON1_B0;
* A: _4 c7 ~) c. n# }3 x reg DAO_CON1_B1; 7 p9 C6 k$ K' X7 s; u- w/ ~
reg DAO_CON1_B2; # [! f4 I9 B8 i2 L
reg DAO_CON1_B3;
) u* S8 E+ z- I. T) D reg DAO_CON1_B4; 9 s! ~8 [9 @0 P* E! ?& d ~
reg DAO_CON1_B5; 1 }. p7 u, H* \3 n3 H5 d
reg DAO_CON1_B6;
* L4 u# l* G& D# E4 C5 V reg DAO_CON1_B7;
4 M+ H5 b$ i0 T0 F, k5 F( _- O reg DAO_CON1_B8;
! S1 i1 z* j0 B# A/ u5 J reg DAO_CON1_B9; & F* v3 D4 }# U9 g1 q
reg DAO_CON1_B10; 0 Z0 H& c% r% y/ Z2 H0 q. h& a/ q
reg DAO_CON1_B11; 7 I/ o+ g' M) t0 k8 z% i8 h
reg DAO_CON1_B12; 4 N' I& i6 M# T
reg DAO_CON1_B13; " w+ c6 K3 L& N, z5 i7 s, ^
reg DAO_CON1_B14;
0 d+ A0 w" k) G, @' [4 K reg DAO_CON1_B15;
; ?+ w: M1 A! {% z7 D: _1 w! H$ X5 _ reg DAO_CON1_B16; $ L; [& V& J+ }# T
reg DAO_CON1_B17; , S V% c- B% t2 n; M; ?
reg DAO_CON1_B18;
0 [" j$ g. m- r* f reg DAO_CON1_B19; 3 \+ O0 ]1 x! H5 t' O" Z/ R* z& y
reg DAI_CON1_B0; , b( c# e% j5 d2 F6 H1 G+ i
reg DAI_CON1_B1;
( u/ @: l- o' t* P$ Q4 q; C, | reg DAI_CON1_B2; # `7 @% l3 ^( m2 x
reg DAI_CON1_B3;
; E' J! R7 q |$ e$ C( B, ^ reg DAI_CON1_B4;
9 I2 t1 R3 h, ^' j5 O$ |# M5 e! V reg DAI_CON1_B5;
5 S- a, K: ?6 s3 X% _ reg DAI_CON1_B6;
! u3 F( D. f& e7 m reg DAI_CON1_B7; - C; _3 P+ e/ h$ z! E
reg DAI_CON1_B8; " U+ x3 Z2 _* k/ E# w- ^
reg DAI_CON1_B9;
7 u6 K2 B: Q/ J( @2 w reg DAI_CON1_B10; ; L9 r' h6 {6 m( \7 E1 k. l
reg DAI_CON1_B11;
0 N7 J+ e3 s+ d% D; y) m$ P* @- z reg DAI_CON1_B12; / V" M' I+ G% w4 t
reg DAI_CON1_B13; 1 [; J$ T! T6 f9 Y
reg DAI_CON1_B14; ) U2 D6 R" {' Q' ?# O% S1 d4 h
reg DAI_CON1_B15; # a5 p1 g }3 c0 N
reg DAI_CON1_B16; 3 L3 y) O# q7 `" x' t
reg DAI_CON1_B17; ) x' d) Y. w7 m* U+ w4 q2 a
reg DAI_CON1_B18; 7 H1 F2 V1 p. q6 r+ \
reg DAI_CON1_B19; $ a1 i+ v2 ~& a' j$ t' x
" F1 L9 s' V3 R- U9 J6 x4 K0 i) Q* D
//----------------------------------------------------------------5 a/ Q- _3 h K. J7 h, s4 k _
always @(posedge i_Clock or negedge i_Reset_n)
! g; R9 E. c! O$ X& N2 p/ J6 v if(~i_Reset_n)begin
4 B/ T0 O- R: t DAO_CON1_B0 <=0;
" l5 H9 W5 n( L6 J2 F/ O+ J, T; s DAO_CON1_B1 <=0;3 R$ G8 T7 x) ` r; B6 o
DAO_CON1_B2 <=0;1 J0 m! p4 ?, |
DAO_CON1_B3 <=0;; D7 y5 W# d" K5 o! @# i# ?
DAO_CON1_B4 <=0;; Y0 N# Z7 f0 D& y. n7 s
DAO_CON1_B5 <=0;( n O9 g3 i/ d' [; E$ H/ b
DAO_CON1_B6 <=0;9 ]" P) L' m9 i# ^
DAO_CON1_B7 <=0;
n8 O. L3 h. B DAO_CON1_B8 <=0;2 Q; P' g3 }. i7 E
DAO_CON1_B9 <=0;
4 O8 P- ]8 r o+ w DAO_CON1_B10 <=0;& e _ n) k w) p5 H+ `$ W1 _/ z
DAO_CON1_B11 <=0;
( _9 Y. D" c! S- @$ _ DAO_CON1_B12 <=0;: N+ p* W: z7 I$ n/ g
DAO_CON1_B13 <=0;. X$ H _3 M! Y, X9 h7 g
DAO_CON1_B14 <=0;3 Q8 t- z) x# z& `. J/ h$ Q
DAO_CON1_B15 <=0;
`, |2 g/ Q5 U! \, l DAO_CON1_B16 <=0;" y/ R+ j+ [ ?! W- g# Z0 Z' y
DAO_CON1_B17 <=0;. x# l6 J# `, O- L. R$ ]
DAO_CON1_B18 <=0;
& o" U; B6 h s, ^, G9 {" U DAO_CON1_B19 <=0;! e/ s- G+ b! }
end
3 [1 H* ^4 R) g2 G; b7 }5 \3 B else begin ) |! c4 _! S/ w2 v. L7 O
DAO_CON1_B0 <=CNT[0];
1 B1 Y" I3 V* v7 ~ DAO_CON1_B1 <=CNT[1];
$ q2 `" I9 K& R' u# R5 ~; L# D DAO_CON1_B2 <=CNT[2];" i1 w( r/ ], a1 o8 ]: |: @
DAO_CON1_B3 <=CNT[3];
! R& Z3 ^9 _4 k9 k0 U ]" p$ C DAO_CON1_B4 <=CNT[4];
& W: h2 J! ~& I8 @, Q: | DAO_CON1_B5 <=CNT[5];% ?! Q( A' T1 V% m
DAO_CON1_B6 <=CNT[6];9 F+ k8 o5 N/ `# Y" d( ?( r
DAO_CON1_B7 <=CNT[7];
& |% ]& \! h. x) G3 K( P DAO_CON1_B8 <=CNT[8];- g$ g& p1 C% o% ~
DAO_CON1_B9 <=CNT[9];
1 V3 ~# P2 v: I6 Q# j \* L DAO_CON1_B10 <=CNT[0];" g* f7 ^) m3 H+ S, S' w
DAO_CON1_B11 <=CNT[1];5 n- _) O; F: q9 `. {3 b
DAO_CON1_B12 <=CNT[2];
4 P. W8 X, L& e2 ^* F DAO_CON1_B13 <=CNT[3];
0 j8 @7 ?$ u/ `: z: j2 X* d DAO_CON1_B14 <=CNT[4];
5 U' X, g% S/ L9 f( k DAO_CON1_B15 <=CNT[5];2 ?7 t( t. a5 j( h) }
DAO_CON1_B16 <=CNT[6];. L" O" x' x- J% z
DAO_CON1_B17 <=CNT[7];
{* t' }6 h% x; y8 | DAO_CON1_B18 <=CNT[8]; e: w$ \- a* S/ q3 a
DAO_CON1_B19 <=CNT[9];* v7 L' l% ^1 d9 j- y7 X" {& y
end 1 P9 A1 U8 U! _
always @(posedge i_Clock or negedge i_Reset_n)
& @% v- Z- k; F9 u if(~i_Reset_n)begin
# S, Y# L5 |$ B) C DAI_CON1_B0 <=0;
( {& X4 A1 b7 O( H DAI_CON1_B1 <=0;
* q/ y2 T9 u% {. L) |3 J o7 j DAI_CON1_B2 <=0;2 A" i5 T& l+ H4 ~+ S6 E
DAI_CON1_B3 <=0;
u( s- ]8 N/ p DAI_CON1_B4 <=0;3 b7 a$ d( S* f" G! N, n6 ^8 q
DAI_CON1_B5 <=0;
% d/ l: J K( t' x& C! H8 L) b DAI_CON1_B6 <=0;
, m- p9 q1 L0 ?5 g0 A DAI_CON1_B7 <=0;
% b7 {% Y. E* `: r- g DAI_CON1_B8 <=0; [3 r) h7 G9 @+ `7 @
DAI_CON1_B9 <=0;' E" A7 k5 Y# c( O# j9 ^: x
DAI_CON1_B10 <=0;
4 n) p- C! `, x6 d3 k4 z DAI_CON1_B11 <=0;+ q$ Z; L1 z1 p2 | P0 a0 Z0 Q- B
DAI_CON1_B12 <=0;4 {' B$ H/ E3 {2 R0 n9 P; s, K
DAI_CON1_B13 <=0;+ x" A8 _1 M( X% _5 G9 R* j
DAI_CON1_B14 <=0;5 U* l0 t3 ]# Q7 D6 M" `9 ~* M8 B5 k
DAI_CON1_B15 <=0;
. ?( ~) h0 s9 O* C9 V5 D DAI_CON1_B16 <=0;+ Y0 W8 C7 L6 Y9 e* m# R
DAI_CON1_B17 <=0;4 D$ V- h$ R- f$ Z. z! C
DAI_CON1_B18 <=0;
9 o6 s( l# e5 d# e- E- o4 _/ U' H1 V DAI_CON1_B19 <=0;
8 ^, C+ v( J1 E; g( a' s; \ end
8 i* A; r$ C! |7 L1 H0 C5 a else begin ' \* h1 \/ O. x8 k( K
DAI_CON1_B0 <=CON1_B0;
( f9 }, b, G! C8 ~ DAI_CON1_B1 <=CON1_B1;3 r* r p* Z7 U5 i+ y
DAI_CON1_B2 <=CON1_B2;$ o6 X1 m, N7 G& C$ Z8 f
DAI_CON1_B3 <=CON1_B3;
! A7 Q8 S6 I2 P: r' S( c' S0 z DAI_CON1_B4 <=CON1_B4;
( v9 Q3 D3 \; r, d+ I" d7 V DAI_CON1_B5 <=CON1_B5;9 h0 p( U' D; W
DAI_CON1_B6 <=CON1_B6;
& l. F/ }& t2 c+ t0 ^ DAI_CON1_B7 <=CON1_B7;
+ w5 l5 s" m+ A- H! a5 x8 }* [5 g DAI_CON1_B8 <=CON1_B8;
' [+ j- Z- d! R p DAI_CON1_B9 <=CON1_B9;
7 g) Z" a+ D7 B0 R, ~) | DAI_CON1_B10 <=CON1_B10;
3 r8 a, a- r5 l4 E& |- R( S' k+ _ DAI_CON1_B11 <=CON1_B11;# `' @, [, g' Y) V7 X* j
DAI_CON1_B12 <=CON1_B12;, [( \7 Y) k; P& Z) Z- ^: B6 [6 a
DAI_CON1_B13 <=CON1_B13;& q: E- ]8 e$ U' p9 W( O
DAI_CON1_B14 <=CON1_B14;
x; [2 p3 w* { DAI_CON1_B15 <=CON1_B15;' ~9 W! Z6 h2 v8 T" W
DAI_CON1_B16 <=CON1_B16;
* `! r, Y! X0 b5 T DAI_CON1_B17 <=CON1_B17;
. g* _( F. {9 U: r/ ? DAI_CON1_B18 <=CON1_B18;
& N) W6 p, ?8 q" t. ^ DAI_CON1_B19 <=CON1_B19;- C. c( G4 U/ U: |2 U
end
% W0 p Q1 X) S5 H# T ........................
( V% V' b1 ~2 r8 Kendmodule |
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