程式1-->CLOCK_500$ ~" _5 j3 e L& O; d
`define rom_size 6'd8: L8 x( a7 z; T/ c6 g9 h( U
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module CLOCK_500 (( X- y# ?$ V, `
CLOCK,3 a$ E K L3 w6 R) n
CLOCK_500,+ t& F/ R! j. E( j
DATA,) f5 Y4 }% l5 _& i5 g/ J" M+ o% p
END,, M* D- Z% r; w |
RESET,+ ~* H, P- ^9 Y3 p5 P$ c
GO,1 w1 u }6 \; x0 ^9 B6 S+ }" A
CLOCK_2
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input CLOCK;& e2 v2 m3 c' N6 ~: t
input END;- z" m3 u6 T. m1 w9 N% m
input RESET;) F4 M. o0 L: W% u
output CLOCK_500;9 v7 G4 u6 [7 ]1 O% U
output [23:0]DATA;9 b# ~3 s; K% @2 i* t
output GO;
0 Z+ P1 Y' h: U! m# N$ f output CLOCK_2;
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reg [10:0]COUNTER_500;
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/ M# E% f- ]$ m: V# q L: h. [' U" X* Dwire CLOCK_500=COUNTER_500[9];
4 ]& X, z# C1 w- U/ s' \wire CLOCK_2=COUNTER_500[1];" `: }; a; D3 {0 v* X
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reg [15:0]ROM[`rom_size:0];3 f) O7 s( W. P: x0 L3 T
reg [15:0]DATA_A;
2 A) M" ^/ d# `reg [5:0]address;
* P* Y' K P6 e% q/ f6 n6 Zwire [23:0]DATA={8'h34,DATA_A};
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wire GO =((address <= `rom_size) && (END==1))? COUNTER_500[10]:1;
4 Z5 o2 x+ W. ?always @(negedge RESET or posedge END) begin& d6 Y$ s2 R0 q3 x" G
if (!RESET) address=0;
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if (address <= `rom_size) address=address+1;
+ M6 m4 H+ x. I* D* o, P; G% gend8 ]+ b0 D! I* _! [
' [9 q! p& }: Q8 j6 }' {reg [7:0]vol;5 _0 o; z Y7 p/ f, u( T" b
" [* A" o# t" ]: E" ^9 malways @(posedge RESET) begin* ]' ^2 [- S @& y: g; K: `" s
vol=vol-1;end
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always @(posedge END) begin$ j6 D2 l) h" I# b% r2 x
// ROM[0]= 16'h1e00;) c( _: g9 y9 Y: G& n0 c
ROM[0]= 16'h0c00;
: ~% W; o$ j! _- ]# n) g9 g+ x. L ROM[1]= 16'h0ec2; $ ? p' y4 m. C- Q2 [2 y
ROM[2]= 16'h0838;
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ROM[3]= 16'h1000; + c; {. Q8 J) A4 r
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ROM[4]= 16'h0017; * d& d( G( A/ h
ROM[5]= 16'h0217; 9 B, |4 h8 ]4 e8 l- [
ROM[6]= {8'h04,1'b0,vol[6:0]};
& L2 j" \& u; {9 @+ m ROM[7]= {8'h06,1'b0,vol[6:0]}; 7 r0 j" c# K7 {
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//ROM[4]= 16'h1e00;
3 l* I! g2 E% L" c ROM[`rom_size]= 16'h1201;
8 Y0 [1 B1 v& C6 ?% q' ? DATA_A=ROM[address];
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always @(posedge CLOCK ) begin+ o3 \; u" Z1 X3 |' r& ~8 `
COUNTER_500=COUNTER_500+1;& \: q- x3 K$ P. _
end
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2 A7 L# F. R0 x. uendmodule
/ }! v( r5 T* K E7 l完.....................................................................
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程式2----->i2c m% p! f; o5 X* X
module i2c (
: K' z: u& P' Z4 K* i. t' A CLOCK,) o" W5 ?6 ]6 \4 K1 q; l
I2C_SCLK,* b- p& \0 x1 |3 C; f" P9 k9 i# W
I2C_SDAT,. \/ n# H3 z- `) }/ Z, L+ ^
I2C_DATA,+ r" b$ q/ |4 s |( ]; R0 L( h" k' `
GO, . K" C9 J0 Q) [; k
END, / Y! a. a; Q x2 f
W_R,
7 k H$ e1 j0 X0 [ } n ACK, 1 }0 S! Q. a3 Q. y* S
RESET,$ G% h y% m6 Z% H9 i
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SD_COUNTER,/ z' X2 V' d& R; C; K+ E
SDO
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input CLOCK;, V# k8 j- K2 ?
input [23:0]I2C_DATA;
1 |. _! L0 @% Q input GO;/ ?6 A# m+ I6 I7 c5 x
input RESET;
# O' S& F" D5 E1 `+ E: a' O, X/ ? input W_R;/ D1 W2 W/ R7 L! {! s1 b H- }
inout I2C_SDAT; 0 \) t! n6 g( Z* z0 Z
output I2C_SCLK;
: ?- Z& ]0 I# C' Y9 W% n output END;
/ p6 f$ d, v0 \3 w1 |4 K output ACK;. ]" a8 }3 T/ [) C% }1 ~5 N, {. g
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output [5:0] SD_COUNTER;
2 T- M9 g" r) a. K: u" ~ output SDO;4 u& _5 ?1 w8 K6 o r
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reg SDO;4 z: E4 R6 @. D }
reg SCLK;9 I4 @8 n- n* ^5 T7 l u
reg END;. o, k9 A% c; m/ `8 N
reg [23:0]SD;! w& u1 I, F. a& Y& S( p! j
reg [5:0]SD_COUNTER;/ {; ~1 U+ U& s) L/ E% V
, x& m& F7 A. T4 xwire I2C_SCLK=SCLK | ( ((SD_COUNTER >= 4) & (SD_COUNTER <=30))? ~CLOCK :0 );
4 U: z, V. S) c$ T9 u( ywire I2C_SDAT=SDO?1'bz:0 ;
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reg ACK1,ACK2,ACK3;* X, Z& R* R4 s3 F
wire ACK=ACK1 | ACK2 |ACK3;
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always @(negedge RESET or posedge CLOCK ) begin
* s B5 e8 }. J4 g% x9 H ~if (!RESET) SD_COUNTER=6'b111111;7 r }& \& t3 T0 Q6 r
else begin% w. Q! d% B: P( y4 U
if (GO==0)
% v! R" g& L$ n7 E& Y SD_COUNTER=0;- v8 S0 H: U# W' j5 g
else
/ S$ N( y: w }' p+ c4 _3 y if (SD_COUNTER < 6'b111111) SD_COUNTER=SD_COUNTER+1;
+ A1 J+ f: { F6 @- \8 L+ Zend
7 o: Z2 P, G4 Y3 Iend
2 n: B3 {( S1 {//----
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7 Q( v9 V. \( u4 J3 @% Y$ valways @(negedge RESET or posedge CLOCK ) begin6 }' N8 M9 H+ |& u
if (!RESET) begin SCLK=1;SDO=1; ACK1=0;ACK2=0;ACK3=0; END=1; end
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case (SD_COUNTER)% x; {. l Q: i" y2 V
6'd0 : begin ACK1=0 ;ACK2=0 ;ACK3=0 ; END=0; SDO=1; SCLK=1;end) R) a& U; D, W3 G9 A1 N
5 [. h4 s7 v0 `" Q/ @* u/ ~ 6'd1 : begin SD=I2C_DATA;SDO=0;end
8 ]/ I% x1 |4 `7 _ 6'd2 : SCLK=0;
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/ w* s' h0 \0 t4 A( j# H) U 6'd3 : SDO=SD[23];/ F% r/ `+ x. C- `# A
6'd4 : SDO=SD[22];
3 s' S+ H% w/ i- ?0 P1 U 6'd5 : SDO=SD[21];+ r9 T9 t; f- z- i: F2 Q
6'd6 : SDO=SD[20];' X' U {7 |' I: _1 A
6'd7 : SDO=SD[19];# k. K( \+ v6 [
6'd8 : SDO=SD[18];
! q& m: x! _. q- T7 p7 d$ F 6'd9 : SDO=SD[17];) ]. R5 J7 Q1 D. l1 P
6'd10 : SDO=SD[16];
( @! q0 t: L5 @& ~! N0 o( U 6'd11 : SDO=1'b1;
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{! g4 I0 g! U 6'd12 : begin SDO=SD[15]; ACK1=I2C_SDAT; end, z- u' U4 C, f$ f1 I. R6 J
6'd13 : SDO=SD[14];0 X9 N* h o& E+ k, M
6'd14 : SDO=SD[13];
1 {# w5 d3 m) d! j% J9 g 6'd15 : SDO=SD[12];
1 l: i: v4 j3 u9 U" C9 t 6'd16 : SDO=SD[11];
" N3 a1 G7 q) R' o4 K& }( ~ 6'd17 : SDO=SD[10];$ ~ d4 W! J2 K
6'd18 : SDO=SD[9];( o1 o9 h( o" G; m" q2 v9 q, i6 ]
6'd19 : SDO=SD[8];
/ C) N/ T5 h6 T& b" N8 ~; T/ B ` 6'd20 : SDO=1'b1;! q: f9 y" F& h% @ G1 ^) K8 q# b
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6'd21 : begin SDO=SD[7]; ACK2=I2C_SDAT; end2 I8 Y3 u. \( \# F7 z" F1 q% v% {
6'd22 : SDO=SD[6];" m% ^3 k7 o" } l! k( I
6'd23 : SDO=SD[5];8 `7 z0 d; _) b+ p* n6 K# q& Y
6'd24 : SDO=SD[4];
) M3 `( L) Z9 e1 S' f 6'd25 : SDO=SD[3];
6 d& o% [5 K8 |0 c. ? 6'd26 : SDO=SD[2];7 v# l! E, v/ \
6'd27 : SDO=SD[1];( g& _6 Q/ V& z1 j B
6'd28 : SDO=SD[0]; : J6 x+ Y1 y/ N% v, d( N! m
6'd29 : SDO=1'b1;
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6'd30 : begin SDO=1'b0; SCLK=1'b0; ACK3=I2C_SDAT; end - s+ l3 k. m) F& t2 z5 R# i* O
6'd31 : SCLK=1'b1; ' ^: j0 e) ^5 e- S, D$ x
6'd32 : begin SDO=1'b1; END=1; end 1 y+ Y# {4 f2 b6 X2 Q# x
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endcase
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- ?: a- Q) H, u) k( W' H0 Bendmodule& C- W+ ?4 q/ r& j. ]9 k* i# ~
完..............................................................5 W6 Y" v3 I" ~+ P8 _, j
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程式3-->keytr( E, O' v- d( I7 X% ~3 o5 e
`define OUT_BIT 9
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module keytr (
% L' @$ d& g9 N5 D% } key," y+ ^1 p; `$ c1 @
ON,* ]7 ~$ L3 H6 \
clock,
9 j* g& Q+ C/ ~1 D6 C KEYON, b/ h4 |" @" `& l
counter4 z I+ x3 d; ^$ {& ^
4 c* |9 M9 c, Y- u! t+ {
);
; b; B p' {4 }input key;
: h. V5 H) R, {% toutput ON;
# X, `- V! s) i9 E5 }8 Poutput KEYON;
7 i, }) g) e, X# ?( rinput clock;
/ [% Y2 I5 H0 soutput [9:0]counter;& f/ l( X3 m* s4 d6 J" V! O
* S2 a$ I. G# X" E
4 f5 \7 K" o# J, ~
reg [9:0]counter;. j2 k% y( t7 i+ }( ^' Y+ `5 e
8 q$ A6 u* S6 N6 ]% X7 nreg KEYON;
) Z1 U9 D$ a+ xwire ON=((counter[`OUT_BIT]==1) && (key==0))?0:1;
/ S; {5 ~' Z* h. ^3 X3 n7 J
2 a4 g1 B5 o! S& D3 D! ]always @(negedge ON or posedge clock) begin4 T' l7 \7 z* R ~# `9 e
if (!ON)
8 }8 [5 |9 T3 i0 T8 e counter=0; ' h% M2 f1 `( I! a) I: M# {% d
else if (counter[`OUT_BIT]==0)5 o: m) q, I8 j+ [# f$ n |" F1 }
counter=counter+1;
5 G, u3 C o9 U1 E6 ~$ \$ {end
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C. Q2 [( s+ [/ |" aalways @(posedge clock) begin) a! ^" i, c1 L1 j, N) w8 |
if ((counter>=1) && (counter <5))4 a4 } E: X9 k0 k6 L9 [, i
KEYON=0;
Y; C3 G7 H4 R% N" \7 f8 s else 1 _+ Q% n* ~9 z1 G" L$ L+ r' n6 z
KEYON=1;$ B X: J1 A& g7 c8 K% y1 F
end
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endmodule
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完......................................................................9 A( x9 Y( w8 @, c
) U! X1 S* x9 T$ o e圖表
7 a$ x* `3 d8 C- shttp://www.photo-host.org/v/free-games/53376401.jpg
! E K+ u8 N. |( ` z8 |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
+ t, g. H* E5 ?請幫幫忙!!謝謝8 l! A; H6 `( A
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[ 本帖最後由 成介 於 2007-11-26 07:44 PM 編輯 ] |