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#include<reg52.h>
# U. x. o' g' U* c4 C0 {+ Q#include<intrins.h># L6 g) n* G& Y# \
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#define uchar unsigned char+ t& K9 d9 d6 M7 T# }; t! F0 h( P
#define uint unsigned int! O; z* \7 \; | r: u
//74HC1648 K! t% \+ G3 a4 B0 g
sbit CLK=P1^0; // μíμçÆ½μ½¸ßμçÆ½±ßÑØ′¥·¢4 z# |5 C9 w- ?
sbit MOSI=P1^1; // êy¾Yêäèë2 T+ `% Z1 d+ w, x- u6 g
/ t: j1 C" u% e
unsigned char code Tab[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,/ r0 s; j! T& ]% f
0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71}; //12òõêyÂë1ü
9 I' t. x/ _2 ^9 punsigned char DS_data[6];
d" ^& I" Z7 H) _/*****************************************************7 S# U( S# n! L, ^
oˉêy1|Äü:êyÂë1üé¨ÃèÑóê±×óoˉêy* P% a/ i/ K* B; E& a5 M+ s
oˉêy1|Äü:Ñóê±1ms Q% t5 K; Q$ z( n: {
( j4 q6 k% J' b% N& \6 J7 C
***************************************************/
% P$ B9 ^4 h5 @9 p/ uvoid delay1ms()
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unsigned char i,j; ) E4 `# P" s! ^! F0 F" U6 V
for(i=0;i<10;i++)# T4 J" e3 t) l! z" v
for(j=0;j<33;j++)) L$ y) {/ _0 Z- R: x8 h% l5 ]! X
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void separateData(unsigned long dat) // datÎa6λêy5 E- \" O; V; f- j3 b' z( K& u, ^
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DS_data[0]=dat%10;. j \! S0 q# } X9 ` }
DS_data[1]=dat/10%10;
2 a* y# O; `2 ]) `" m/ P DS_data[2]=dat/100%10;
) W, M) d/ B" z) @5 d( Q- z DS_data[3]=dat/1000%10;# {4 ^9 W) R/ ?% J- R3 p$ p3 l- _
DS_data[4]=dat/10000%10;* [" d6 Y/ ]! x9 M* H
DS_data[5]=dat/100000%10;' p |6 O4 W( A! t
}
+ ^9 J# A2 x( M2 ?$ i+ V( A/ Yvoid write_164(unsigned char dat)
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unsigned char i;
+ b) H0 H0 F7 P- F* b8 E for(i=0;i<8;i++)
3 R: M4 y( b" M: E& k {
% \/ T7 u# f8 O$ K! E* e/ S CLK=0;
, r" |0 A+ \$ ]1 Z( u: Y if(dat&0x80) MOSI=1;$ |3 Q) G, ~$ d6 a4 }
else MOSI=0;
( A9 L, }6 D" m5 d CLK=1; # z; ]7 { C T+ X( ^
dat<<=1;
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void display()
+ `0 ]8 F" k( T4 E{$ A: `0 K+ O4 Q0 u! i A g9 Y ~5 _
unsigned char i;
: T2 H) r- t$ c1 O% u for(i=0;i<6;i++)
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write_164(Tab[DS_data]);. w7 q( y( w% g# J, w
P2=0x3f&(~(0x01<<i)); //êyÂë1üλ 12òõμíμçÆ½Ñ¡ÖDseg1¶Ôó|P2.5 seg6¶Ôó|P2.01 s8 x! e7 E& _8 M8 N
delay1ms();
+ G& E, q9 ]' L( j7 G P2=0xff; //êyÂë1üÃe
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main()
8 w$ i i: v% D1 E5 ~{
+ A9 ]( |( ^5 H6 T separateData(654321);
: H4 O4 l7 F" q6 o( ^6 `6 t8 `5 y while(1) . l) V, @. b/ P: f6 t' Z
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display();
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#include<reg52.h>
2 m r/ H* `) ], [#include<intrins.h>
; \/ K( X; p4 R1 q+ t
! u# V/ i. F h( P. J0 [1 o; e+ \: R1 C#define uchar unsigned char- R" ]1 G+ {$ k5 j0 p( u0 p4 q
#define uint unsigned int5 P% ^9 I; r% V& t2 }) D# U5 T4 C
//74HC1646 Y0 w. Y; O+ B' M! m; ~9 \
sbit CLK=P1^0; // 低电平到高电平边沿触发
4 {% M) Y; U2 K' e7 r2 C! [sbit MOSI=P1^1; // 数据输入1 w4 t9 |3 \) V$ @, l% `3 V& T
. B2 s- C! u0 G6 a$ }
unsigned char code Tab[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07, v7 v: r; M5 H& k( W
0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71}; //共阴数码管8 X* m7 w m5 [ s8 A3 o6 t0 m
unsigned char DS_data[6];5 ~; R. ^4 e, B, E# g) u
/*****************************************************% |5 l9 r6 a( F
函数功能:数码管扫描延时子函数8 l5 N" `9 _" n: Z5 A& f; O
函数功能:延时1ms# B- Q6 M3 `, `: ~5 E5 A
6 ~$ O/ ^) w9 q# l7 c
***************************************************/
5 f) a. J% e, g( E9 H vvoid delay1ms()
/ r7 ^6 m, s1 r) C$ {{+ v, m6 D! }* E i1 l" a% W. Y! X
unsigned char i,j; ! S( b! S4 T' M2 P9 I# S
for(i=0;i<10;i++)
, n: q C: T" y) t }4 J for(j=0;j<33;j++)- z: Y2 s5 c# K# I1 g6 [
; ! V7 Y% V1 s9 R: o9 D; Q
}
5 y0 y x. {6 R( ^7 H' R! J: }void separateData(unsigned long dat) // dat为6位数1 t* M% j, N5 m5 W9 F7 \ s' b
{
' V. L3 p# {8 E7 z0 p" T DS_data[0]=dat%10;
) P2 f+ O/ N) g, K: ~2 M: U DS_data[1]=dat/10%10;
; R4 E# j* l( f ~3 y DS_data[2]=dat/100%10;$ F6 E2 U* D: D1 P m9 Y+ _
DS_data[3]=dat/1000%10;
2 n$ {: g1 n, h u DS_data[4]=dat/10000%10;. [7 h: d- j5 m6 P5 {
DS_data[5]=dat/100000%10; O+ i, {: w% p, C' m# Y' I: e1 a/ ]
}
% }1 g) T* J0 A2 r4 Xvoid write_164(unsigned char dat)0 x* ~5 j9 Q, B) t9 p8 E% e* f6 A0 w
{( k- Y- X: ~" t8 u7 a; D- \' C0 G$ F
unsigned char i;0 B* v* u% S% V: V; ?$ @0 |; f
for(i=0;i<8;i++)3 `3 m& Z. T, ?8 M% x
{
' f# b5 }( f7 x5 c I. j CLK=0; 2 {* E! m5 | d! M! [8 g. Z+ C; ]
if(dat&0x80) MOSI=1;! z d C, K5 l4 p
else MOSI=0;; @6 W: V: l, C8 b: {+ ]
CLK=1;
% j. ~4 `: P2 E B6 M4 C dat<<=1;
1 H! h6 E4 K! ]2 [ }
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0 F* v7 S) Q# g3 s8 x/ m( tvoid display()+ W6 V$ a% g3 n8 a. `9 Y. @8 j8 `
{
4 A) z/ j3 W1 k5 ~ unsigned char i;9 q7 T/ Q; N+ } z6 Q% Y
for(i=0;i<6;i++)
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( p5 i/ o3 g! K' {; g$ I write_164(Tab[DS_data]);; E8 |0 c% _. U1 D& y5 R9 p( j( }
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
: J" a4 W4 t+ o n+ h H delay1ms();
' b& Q* h: d2 `6 j- y; s& G P2=0xff; //数码管灭
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main()
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separateData(654321);
. v @( W' @- @# j6 r# B l% ]" R1 }/ | while(1) ' C' C" Z" U3 T3 I& c, I$ U
{1 N& h& O: S: T
display(); k9 u j0 M! @7 g3 I
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}
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