程式1-->CLOCK_500
3 a+ w4 g; j R4 u+ ]2 }`define rom_size 6'd8
% @* i, p1 e% S M
( n" m7 l) j4 {$ lmodule CLOCK_500 (5 }+ u E6 r# U' L* T
CLOCK,
" _' | Y2 Q5 K1 Q CLOCK_500,
1 V) J9 |2 J; P4 D7 f DATA,
# V9 }0 g2 x+ ^# ?4 r1 S3 F) a c END,& ]& Q9 C' F U% Q
RESET,: y) m9 |, ]; T0 ~; b2 [" m0 S
GO,
9 }$ n) B9 r% a2 `' y: X CLOCK_2
' S- _+ I3 @/ q/ g);1 y# Z' F% J- o' S( T- {
input CLOCK;
7 r$ `9 h; E, Q! r input END;
+ p) f% s/ m3 d8 J) j' E input RESET;" g' T8 o: H# p
output CLOCK_500;
9 k. G5 R; O1 `( D% l/ ^% d output [23:0]DATA;
0 N% h; l) v0 [. J% l) [: [ output GO;
* k* O B/ e- q# ?( K8 w. i output CLOCK_2;
9 w* V5 \4 i, n$ v
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% D+ J7 g8 U) p2 I; l4 }7 |reg [10:0]COUNTER_500;
* G9 ~; S: h+ |0 e0 Z9 H
# z. O- n( l9 v1 i9 w3 jwire CLOCK_500=COUNTER_500[9];. l: N. n# x' _9 M+ _
wire CLOCK_2=COUNTER_500[1];
+ t. L1 u1 T9 ?/ i2 T+ D& R8 `5 w7 `- I( |% f
reg [15:0]ROM[`rom_size:0];& m: x: J8 z% c1 f
reg [15:0]DATA_A;
8 F! A( h2 `( M/ }) Creg [5:0]address;
) E: k. B8 R$ N* zwire [23:0]DATA={8'h34,DATA_A};8 v1 O( H0 Z4 Z! G+ F( R8 P$ e
6 X) F8 g: M; q" `3 z4 | @wire GO =((address <= `rom_size) && (END==1))? COUNTER_500[10]:1;$ c6 o: T& l" _* ?4 C- I3 Q L
always @(negedge RESET or posedge END) begin
/ y* x- r; G0 W9 P: l% f! J! v+ S if (!RESET) address=0;
0 U G# q3 G6 \& D; p. b) E* v else
5 h7 k7 }# U9 ]) @2 R3 v if (address <= `rom_size) address=address+1;
: t9 ?' X) s! R( C6 d, t( A8 v' cend
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reg [7:0]vol;( g, o4 O+ M: W! I- W; `
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always @(posedge RESET) begin) c) A- g7 W$ D& k: Y. t7 U& c W
vol=vol-1;end" m, \& r' {9 g" w
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always @(posedge END) begin
/ u% q8 M' g4 x. R. b; B" e- Z// ROM[0]= 16'h1e00;9 }$ A5 h3 l4 j& l0 q- l0 \
ROM[0]= 16'h0c00; 5 J! r. s- g* i2 Y- J) c
ROM[1]= 16'h0ec2;
0 S$ J: U; O5 f0 k) E ROM[2]= 16'h0838;
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2 O4 w/ P4 L0 @, J) x ROM[3]= 16'h1000;
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/ z# e- W% n& D" |9 C0 a5 { ROM[4]= 16'h0017; : D& G- }& W$ P6 ~
ROM[5]= 16'h0217;
$ {- R4 C" h7 G/ x3 { ROM[6]= {8'h04,1'b0,vol[6:0]};
( Z( R/ j: t, m ROM[7]= {8'h06,1'b0,vol[6:0]};
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# T# u5 u( y$ A3 b% R //ROM[4]= 16'h1e00;
* N/ q$ u5 b* \. R8 i+ } ROM[`rom_size]= 16'h1201;
: r; A U4 t8 G# p0 N3 T DATA_A=ROM[address];
1 I9 q, V! ~" |* M" ]2 e2 G6 l4 ?- yend9 q J1 u3 e, V$ G0 N
0 d: C2 x+ c0 ?always @(posedge CLOCK ) begin
. }0 r! S( j/ ] COUNTER_500=COUNTER_500+1;
0 Y9 ~ r! E1 U) H( mend7 v3 s' S" j/ r' K. X
3 R8 H+ U6 t. y. N
endmodule; [; X( @* X" L0 b7 p
完.....................................................................2 x3 d0 }8 O' L4 D# {
- d( P" x* D( A+ x9 J+ E5 R+ U程式2----->i2c
! t' ~' d3 A& p, c' bmodule i2c (
$ c, `4 [/ |) [7 k# }$ [6 W" r" n CLOCK,
[1 L% z9 ~$ T& p I2C_SCLK,8 L9 D& H/ P0 r9 Z9 S( _0 ]
I2C_SDAT,
7 a& A: V, A/ B$ W I2C_DATA,
/ z- D3 [6 ?" j0 A/ c9 Q C GO, 2 g, u2 k- c, Q& G0 }0 w2 ?1 x
END,
0 `& }3 }& Q0 p, c4 A W_R, 3 G; r" d( r9 N4 ?% s
ACK, ) V$ v5 R$ g. y
RESET,* T* q4 h8 H7 M
9 R4 z/ G1 W. j# E1 c5 S( k2 x4 E
SD_COUNTER,' H- ~- M5 h" E- g) @
SDO) q' v3 E6 @( c( P
);
9 Z% w8 |0 [/ [ w9 {8 ^ input CLOCK;
" e; Y5 j* z0 B/ u input [23:0]I2C_DATA; 2 Q5 a/ P5 _7 p! Z) e
input GO;( \" W' Q+ r* x/ e% H8 S
input RESET; $ [+ k' _5 y4 n* o" z. U
input W_R;
. }- C5 o r9 X' _& O' p( O4 A inout I2C_SDAT;
3 F8 b2 t. j! s# ]- A3 s' d4 J output I2C_SCLK;& O) h7 X S" t# L: S
output END; $ c5 J. p( f! M- }% N' I" ~
output ACK;
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# \3 z. c2 q# W9 ]8 n7 a output [5:0] SD_COUNTER;0 M7 u3 H) q4 ^8 g
output SDO;, {7 @& ?" w4 O% N' F- G3 C. O
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# c% `# u5 J$ `7 l
reg SDO;
: s o6 V4 k6 S5 Preg SCLK;. i% i" h1 {* {0 J, q
reg END;2 I# c! u( S1 G6 N6 x9 c6 H% E
reg [23:0]SD;" A4 @# _: F( j/ k/ ~
reg [5:0]SD_COUNTER;
) ^ h- A+ y1 U* e3 ^; q
+ Q" X* x) F2 a1 qwire I2C_SCLK=SCLK | ( ((SD_COUNTER >= 4) & (SD_COUNTER <=30))? ~CLOCK :0 );
+ |2 J, F% {2 m3 o/ ]. |wire I2C_SDAT=SDO?1'bz:0 ;
+ I5 s% N% ?) E3 H/ a" F3 ~4 t/ L' e- q% n4 Y) M
reg ACK1,ACK2,ACK3;
- \8 C2 b" k5 jwire ACK=ACK1 | ACK2 |ACK3; N* W9 U1 O2 r2 X
9 X! P: f; W" u- s. q
8 I6 y' T) c% w# G2 [; F/ h Ialways @(negedge RESET or posedge CLOCK ) begin
: p8 I' E; K' T) Wif (!RESET) SD_COUNTER=6'b111111;
- C" k0 p) H' }# S" B4 n9 Z5 Telse begin4 G& \' ^7 A' a/ ]4 P# i8 b6 [
if (GO==0) + j' ^: N7 _# B6 X0 d$ B- ~' M' D
SD_COUNTER=0;
& f7 P8 ^& \) K! y else 8 O R8 \$ h) L* @) E4 ~- ^
if (SD_COUNTER < 6'b111111) SD_COUNTER=SD_COUNTER+1;
7 Z6 l( i' ~, N& Aend! [8 z% q! q `% X: ?5 l, T
end
; w( ~' o8 f0 w- D4 \$ w: m! v//----
2 r+ {& b; G% M! i
+ [8 d7 y0 w B4 B valways @(negedge RESET or posedge CLOCK ) begin
8 Y }* p6 m; `$ O+ v7 q+ }if (!RESET) begin SCLK=1;SDO=1; ACK1=0;ACK2=0;ACK3=0; END=1; end
0 S& \& e$ Z% Belse% R9 R' y) |0 E+ t0 S; {4 I1 @
case (SD_COUNTER)
( m& P0 o% L7 B7 Y6 n" h; F+ h" x 6'd0 : begin ACK1=0 ;ACK2=0 ;ACK3=0 ; END=0; SDO=1; SCLK=1;end
7 u, B! O/ d I0 S! H3 v5 q$ r4 ~- D/ E! k
6'd1 : begin SD=I2C_DATA;SDO=0;end) w7 o: e( ?2 R2 @7 |. d$ j5 a* Q
6'd2 : SCLK=0;
. `8 O; d0 v3 J6 U4 E5 U : W! D9 S8 M4 D }# v3 E
6'd3 : SDO=SD[23];
! x! ]2 v' j4 Z4 D 6'd4 : SDO=SD[22];
2 A [) K- ~$ E8 {! @. m( J 6'd5 : SDO=SD[21];. m2 A6 b3 E1 z, o. ]
6'd6 : SDO=SD[20];/ m# f0 G! i- k6 Q' u' F- c
6'd7 : SDO=SD[19];( |! A! Z) D# d+ J2 p1 c6 S! ]1 q
6'd8 : SDO=SD[18];
: o: B" t# z& O6 ~9 T8 ~ 6'd9 : SDO=SD[17];
+ o. x0 r+ j: j4 D: y 6'd10 : SDO=SD[16];
0 e) P1 A" p$ s! Q( _' s& J, u 6'd11 : SDO=1'b1;) ~* R6 b: J. g8 i
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6'd12 : begin SDO=SD[15]; ACK1=I2C_SDAT; end
$ N5 h) e5 G; N+ s; B$ ^ 6'd13 : SDO=SD[14];; ^1 L& ^$ p5 G
6'd14 : SDO=SD[13];8 ] k/ s0 I8 c* n$ W( q
6'd15 : SDO=SD[12];9 w& k& u" D* h7 K
6'd16 : SDO=SD[11]; S+ z5 E1 }; s2 V- s' G' d
6'd17 : SDO=SD[10];+ X( R, [9 }. {' j
6'd18 : SDO=SD[9];* O; \; i5 o. `7 k) U1 x2 T/ u/ T
6'd19 : SDO=SD[8];
- X4 a1 y4 \, s$ x 6'd20 : SDO=1'b1;
5 p2 H0 }& A& B- d' c$ B7 s4 n6 g7 L* ?7 @+ j
8 [- c) F# o \, k. ?8 g! i1 B* `, y 6'd21 : begin SDO=SD[7]; ACK2=I2C_SDAT; end
. A8 W* u/ v& C* d& W6 |7 h6 ? 6'd22 : SDO=SD[6];( _% L! [( }. l9 O, }* V
6'd23 : SDO=SD[5];
7 o" L% E1 |$ l) U3 |/ i 6'd24 : SDO=SD[4];
5 p! Y3 I: t! ^# X2 v8 a 6'd25 : SDO=SD[3];
) f7 Y6 J: t6 d. q' v 6'd26 : SDO=SD[2];
+ Z- B4 J* o6 u* e4 Y( D3 G 6'd27 : SDO=SD[1];* p0 p$ a' Q" B2 C: P
6'd28 : SDO=SD[0]; s2 Y o% j* ]3 N* q7 x. h- v
6'd29 : SDO=1'b1;( E2 V; i! C+ n3 V. H9 w* t& A
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" q0 T1 I/ T- N& z k 6'd30 : begin SDO=1'b0; SCLK=1'b0; ACK3=I2C_SDAT; end
4 L/ i. G# h2 b# y: G% t6 g p" U8 M9 w 6'd31 : SCLK=1'b1; + r1 j7 |+ |+ Z4 V4 u" k( W
6'd32 : begin SDO=1'b1; END=1; end - d7 f7 J6 p! `( X
) z: [1 p; X1 H. I( Bendcase- ]8 L6 k: l9 h6 V* V) Z1 {4 n3 b
end
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0 Z+ R2 O; ]8 o6 p& i* _$ V
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endmodule
5 `' L- E2 C' c3 R" k+ M# Z# f8 i完..............................................................( y9 G5 X) Y9 B& j6 j2 E; G
* E2 Q( R! s# r6 H* s- J程式3-->keytr
- O7 Y8 W6 b: w f, I`define OUT_BIT 9$ O3 _. C, a, ]" T
% Q$ u% ]" j) q+ K, r( k) c Ymodule keytr (! r1 l. X- X$ l5 _3 {8 w; k
key,+ ~! m3 F3 h4 e5 R( J. a- P
ON,
" Y5 t/ S" l* A clock,
# T8 N* l0 e" h- i9 U3 K, ? KEYON,8 f, I5 }: d. I: Y0 z6 k- `' O' V
counter
. g1 m/ f& p# J! [9 w
% p3 U4 S. g; e% L- o );) B# v7 F) q: r: ^
input key;
# A6 [* v% C9 Loutput ON;# V% ^1 i7 p: g; W3 H
output KEYON;3 |/ X' m% N2 Y8 W1 v% y" A. o
input clock;
; X. k1 p; f( ^8 r3 O! koutput [9:0]counter;
) A% l: f( I' ?+ n9 p# I7 `6 m5 j
3 r& l8 q* M; F! v. k' b5 I/ e7 M6 r! k
reg [9:0]counter; m1 z( r+ a. `0 P5 r- F4 Y4 G/ X
' ]2 v: M* b7 z; F: ~; { T! c5 Zreg KEYON;
, h! o; i' K/ w! Vwire ON=((counter[`OUT_BIT]==1) && (key==0))?0:1; 1 Q; Y6 g, c$ Q0 W. [( n0 {
, }$ ~& P: u% T6 I* e
always @(negedge ON or posedge clock) begin
5 N9 p2 C7 r! k% R' R) mif (!ON)
; s! c- p5 _: H2 l$ f: q" U( j counter=0;
" I! Y! U1 B/ i! d else if (counter[`OUT_BIT]==0)/ ?3 a3 N9 }$ t4 n) w9 e! H5 ^
counter=counter+1;
7 ?8 S9 s& e0 g- p* mend
) i( h8 @, T1 ]' i, c2 l& Z, H1 g. S6 i2 F+ q, R* Y
always @(posedge clock) begin+ C4 D" [4 z P. T* V/ d+ `% a
if ((counter>=1) && (counter <5)). v9 Y+ _: g4 b b% Y
KEYON=0;$ ?7 M0 q+ N7 B- ?
else : B0 q8 D- a- ?5 C
KEYON=1;
$ i7 i; h0 c, r3 wend# `! w* L: t4 R) r7 X+ d
8 t( a' e1 U6 y$ z
$ B5 H: d! i" H B9 r& o% R8 Yendmodule : e& x8 t9 d) W+ s/ \( j) H
7 b: N" g: ^! k3 E完......................................................................
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! A6 P' A! c& g2 ~圖表7 P( H X# n; G
http://www.photo-host.org/v/free-games/53376401.jpg
6 J- O! N0 ?' W7 u我三個程式都可以了,但是如何把這圖表的外圍的程式寫出來 ' A4 x5 s2 N1 ?. O* w0 L" d; _
請幫幫忙!!謝謝/ a( w. p3 a @0 T
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[ 本帖最後由 成介 於 2007-11-26 07:44 PM 編輯 ] |