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#include<reg52.h>
4 S4 L' L' G" q6 k2 T3 S#include<intrins.h>! ^1 E9 Y$ C& h* U' ^
+ Q" S. Z: @! w/ f" t#define uchar unsigned char4 [; S* e" [7 [" y
#define uint unsigned int
6 f3 C! {* c6 R7 ~; A+ ^//74HC164
5 _% s+ J$ T( K0 jsbit CLK=P1^0; // μíμçÆ½μ½¸ßμçÆ½±ßÑØ′¥·¢4 k3 f" q: T( V8 b. a1 s
sbit MOSI=P1^1; // êy¾Yêäèë6 V+ x3 M* v/ w M" h5 ]6 `
- @: x0 o) }& g) V o3 Y9 n
unsigned char code Tab[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,' ?+ T0 A7 d/ h1 X6 H
0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71}; //12òõêyÂë1ü5 g* ]6 I0 T: j9 v* b5 Z; {
unsigned char DS_data[6];
n5 ]! V( c/ u* y1 G/*****************************************************$ c3 j6 o$ _2 |3 [
oˉêy1|Äü:êyÂë1üé¨ÃèÑóê±×óoˉêy
0 {: O! U' c* S( }2 |! }oˉêy1|Äü:Ñóê±1ms
( ?% e* {5 @0 g; H; W* n" b3 z0 y
% u3 }. Y( t# S" i& ]6 s***************************************************/
1 ]6 u* n' V" T% L5 K( cvoid delay1ms()1 G" i, D- n/ y4 J v6 P
{) K m M, W- E# P
unsigned char i,j; , Q% k/ N* }+ k' T8 }) W% y
for(i=0;i<10;i++)) S/ l' S! B& V+ c. @+ [% x0 L# Y
for(j=0;j<33;j++)) L1 d" U4 a8 |: t
; / _) E; B+ d" |5 f. e( d7 i
}
$ K1 B" Q; w6 W" I. ~5 }5 ivoid separateData(unsigned long dat) // datÎa6λêy
: T9 y5 C U( f, z+ D3 ~{' ]. f2 x. l* L8 e6 o" C4 t
DS_data[0]=dat%10;
5 n& N# V2 V) Q) ^+ ~$ v+ U0 k DS_data[1]=dat/10%10;. Y& ^+ f! O" U$ j% C) d$ X( N, Z: B
DS_data[2]=dat/100%10;8 Y6 ^. A: i1 L* p! b8 J
DS_data[3]=dat/1000%10;3 O3 U7 G6 P2 J0 R2 z
DS_data[4]=dat/10000%10;
! ]. L' x+ r) X( Z) h f DS_data[5]=dat/100000%10;7 e" I: A! N2 z0 j
}
! `7 j6 _! _) s4 wvoid write_164(unsigned char dat)
M! z1 d4 j% v{
) u% h- m: r1 f( C% P unsigned char i;
( o% L$ I$ T: {8 j' {! @. s9 U for(i=0;i<8;i++)
8 p3 o9 c% h3 @% e7 L {) S1 T/ j1 r4 F! [, T/ K
CLK=0;
# ]) _& t2 F" B2 K) `% S6 x if(dat&0x80) MOSI=1;- M7 f" z3 a. {
else MOSI=0;3 y% ^# |7 ?: ~7 Q& k0 \; d" @1 u
CLK=1; ) Z! C, q, R( Z
dat<<=1; ; i5 N7 O! ^+ [* [ U/ C
} R0 J9 o. I' @! M3 J) ^
}
& T7 D, c4 W2 ]1 G s9 A* J
) v N- v- a6 c$ Nvoid display()
. s; N% y2 R0 ^5 K! H6 d2 V9 m{
& T6 Y3 s$ i2 ~( a7 Z unsigned char i;
2 M( i" k; W8 A% {5 G for(i=0;i<6;i++)5 p$ w0 {. o6 Q. H2 N- v. {
{1 z. Q6 m- T/ u8 u$ j0 r# Q
write_164(Tab[DS_data]);
% K7 m, f6 ?& s, i6 z P2=0x3f&(~(0x01<<i)); //êyÂë1üλ 12òõμíμçÆ½Ñ¡ÖDseg1¶Ôó|P2.5 seg6¶Ôó|P2.0$ g# F8 {1 M' }2 z% m/ c' _4 `- e
delay1ms(); 5 G" z$ B/ |+ N& y
P2=0xff; //êyÂë1üÃe
) i3 x5 n9 X+ h7 R% g6 w }
! X" m& y% m" k5 U( h
) ~) [* u; x4 i0 E1 d}
3 a* s. A; y6 B& a- m$ Q% p( O: S0 d& ^" N5 M; K; a3 R! g8 Y/ R
main()
8 r8 _& F( @1 U) B$ W{3 k8 |$ ?; N2 _, Z: D
separateData(654321);
0 T* M7 O6 ]1 d' ] while(1) 5 Q) c- m# L4 Z4 ]( Q8 Z/ j* V
{
$ O; A2 f+ R' b3 B7 c+ g display();- {. J) X6 T. f1 c
}
' _$ P3 _( ]9 A" d1 b}% U4 e& v7 m( G) J# i' `6 I# l
' Q/ f# }' x, H/ g U+ h
#include<reg52.h>/ }/ }# ?% o& o! X3 ^+ f4 H
#include<intrins.h>
8 k$ z) W1 z7 {; t; E
) O z. k! {9 A: _6 Z: f+ S#define uchar unsigned char
, ~" E) q- L+ y) A* u" Q" W- s4 q#define uint unsigned int9 p, |% n) W+ N) w* I4 K+ Y3 S
//74HC164
A% R: x# A, s8 I' Rsbit CLK=P1^0; // 低电平到高电平边沿触发
4 R. C9 g) w& z; B0 T# Z/ Ysbit MOSI=P1^1; // 数据输入
5 U; R! t$ c& X) r
- ` k2 j/ \8 d8 w7 @unsigned char code Tab[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,
1 n1 S. q# S5 y/ S# F# y 0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71}; //共阴数码管
8 t; s) i3 f) i' k1 j' |unsigned char DS_data[6];
3 ?0 k) ?, H: O. O& j/*****************************************************
2 B$ h& M3 i' B/ ~2 r# Q函数功能:数码管扫描延时子函数3 O9 }# V+ ?! @
函数功能:延时1ms
; | J7 G& B5 K' T) ^; w% g6 G8 M B7 z
***************************************************/% G8 O. K( p+ ~ `' {* [2 w! s4 E
void delay1ms()) x: d% j$ K9 r% ^2 y1 q! s) }# i, G
{/ R9 _" K2 g" p( p6 I# o( G6 R+ N
unsigned char i,j; $ K# f9 ?+ q) N; N
for(i=0;i<10;i++)
8 b9 |" m% d5 z5 |% `+ M9 `) y2 u for(j=0;j<33;j++)
. ]3 }: y) ?: U$ R9 d7 ~! `( z9 r ; # K/ o. Q, X) \" m% w" h+ n7 ^4 e
}- }2 P# a* x; Y. P! M* n" b+ E
void separateData(unsigned long dat) // dat为6位数
" c3 K, Y% E4 _6 M% B* [{9 K" \/ q2 z6 O
DS_data[0]=dat%10;
' T) `0 G2 ]& u5 u' ^. | DS_data[1]=dat/10%10;
3 Q: z: F. V9 K" q' _0 u3 C) d' [3 e DS_data[2]=dat/100%10;- q- v' ^; |! y1 o& y
DS_data[3]=dat/1000%10;' y! S. J! [$ \, D: _- X1 [ k
DS_data[4]=dat/10000%10;6 a6 ]4 {+ D4 \
DS_data[5]=dat/100000%10;
) R1 z( _- I; g. W8 Y8 ? C}* V( A% t8 a; p, X$ ^1 p" e4 A
void write_164(unsigned char dat)
! ~6 c0 }# x/ r0 m8 k, x) m{9 g" G/ P( X# |, V$ E: ]) K: c$ O; s
unsigned char i;* Z+ X, {% b% Q: x7 n5 l
for(i=0;i<8;i++)
0 G" A- G i% h- J, @0 H& g& l {
. U8 s+ ~4 u, q5 T1 P& i. }. D+ b! u! F CLK=0; 8 U; U+ C* v4 \" o7 \$ D: B
if(dat&0x80) MOSI=1;- h9 I$ D) r# s
else MOSI=0;- ^/ z) P* G# W
CLK=1;
0 j$ n: T" M1 w" h0 h+ u9 X1 r. c: Q6 G dat<<=1; ) g. x( C9 w& T5 l
}
* t# \+ P2 }/ q+ s" r} A7 w z5 t1 N* ?
# B2 X5 |. f3 t) n3 Y
void display()9 }1 m1 E6 _$ j( D# l$ W
{
: ~* ]6 c" d; V# h/ T+ U unsigned char i;; k; W; ?; l2 U4 i% P+ x
for(i=0;i<6;i++)
& H: p( m: _" b; u7 g, O {5 x1 P; }- x- F4 Z$ L4 \5 L
write_164(Tab[DS_data]);0 n! J# c9 t+ L: i6 h1 |/ c* _
P2=0x3f&(~(0x01<<i)); //数码管位 共阴低电平选中seg1对应P2.5 seg6对应P2.0
) n8 `$ Z$ h: ?# t }/ i delay1ms();
& t3 T8 s3 l2 }4 ~- S P2=0xff; //数码管灭
$ c) I1 N3 [. M1 M }
8 M+ O. ]6 }- K+ H3 H4 V2 _& ~: x6 v# _% w
}+ T. K% a( C+ A" R
& M) U- \+ z( o, Dmain()5 k9 Q2 X T1 X8 s! ~ @2 d
{7 l( g* V% U: {! S* V
separateData(654321);
* P7 E0 ?1 `; }3 i# q# O" y/ d while(1) ; M" p; R3 h) _2 I* l/ p$ a
{
4 L. E: Z* G7 e. ^ Y, p display();
& h s7 J5 _% L9 d( t \ }
( V. m7 u+ ?0 b W; ^- {}' j( [. a4 M; s& h) Y5 v) D
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