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#include<reg52.h>: B2 Z! [! ]8 E9 y' m4 |, {# H
#include<intrins.h>/ Q0 R, }3 B! a& q* K
8 A* @8 |, g9 s7 I$ b
#define uchar unsigned char
( H7 }7 O; i: m& F' H& R' j#define uint unsigned int
# N5 B- j$ J2 }1 {. {' }//74HC164
; r" x4 B' n2 B* V% |sbit CLK=P1^0; // μíμçÆ½μ½¸ßμçÆ½±ßÑØ′¥·¢3 X$ V, u' Z0 e' l
sbit MOSI=P1^1; // êy¾Yêäèë% p. ~9 U3 K/ F: W% Q
8 J8 x) o y& [2 I) ?, ^
unsigned char code Tab[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,
6 S9 B/ r Q: s& I/ r* q 0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71}; //12òõêyÂë1ü
3 {1 Z$ P' M. _% J# m' W$ runsigned char DS_data[6];2 c8 K2 f7 p% G& a$ c: ?
/*****************************************************( c/ [& f. M- |" P! E) G
oˉêy1|Äü:êyÂë1üé¨ÃèÑóê±×óoˉêy9 {1 M# D# x. K6 N/ z0 ]" l
oˉêy1|Äü:Ñóê±1ms
5 [3 u6 N5 j; s2 m7 |8 M
( [" f& m4 _ Y( G) L$ I* {0 f***************************************************/
3 H2 E" u+ I/ Z9 B8 mvoid delay1ms()% i3 U/ U& ~! G& I
{
; K. h' |9 s2 \9 n. c8 P! m7 W unsigned char i,j; ( ^9 f/ T2 G8 }5 H$ _
for(i=0;i<10;i++)
: ]8 @7 }9 o, k for(j=0;j<33;j++)
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void separateData(unsigned long dat) // datÎa6λêy
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DS_data[0]=dat%10;
8 Z B; O+ v0 J DS_data[1]=dat/10%10;
$ a- {& s, t9 o4 H DS_data[2]=dat/100%10;3 U" T; O: {! F. q. ?8 g" K ]
DS_data[3]=dat/1000%10;+ g' j/ E3 m; A, v# T+ Y
DS_data[4]=dat/10000%10;
- d, t$ i& e2 [, Y0 N DS_data[5]=dat/100000%10;" R/ P3 y1 o6 q1 V$ o4 ]7 s
}
$ A: v& W, q# E9 e& f7 d" Pvoid write_164(unsigned char dat). Q" c. g% g6 Q; D2 o
{
$ |- B2 @( w- e8 \8 j3 g& E9 C$ I' c unsigned char i;
' x7 p- j2 A7 d for(i=0;i<8;i++)
n( Y) T: i3 C, h8 b1 I3 Q {
$ L0 ~& Q2 g% Z& U+ C CLK=0;
; ^7 ]) [' K( m0 D" E1 \" k1 a if(dat&0x80) MOSI=1;: Q9 @ i( j3 O; S1 I/ n
else MOSI=0;9 v& C7 P. a4 Y( l
CLK=1; 7 o- m" G' E- x/ m; W/ [7 }
dat<<=1;
{" H# |+ v5 O) j }
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5 [+ S4 D1 S! `8 {1 R( S
void display()# |, u# Z8 d( i0 C% X; \3 T
{+ Z$ R D& H6 k; g, q' G0 w6 h+ f
unsigned char i;6 v o7 k7 c. A5 p/ S
for(i=0;i<6;i++)
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write_164(Tab[DS_data]);9 D4 r, H$ h) d: M- {5 b4 k' _) p
P2=0x3f&(~(0x01<<i)); //êyÂë1üλ 12òõμíμçÆ½Ñ¡ÖDseg1¶Ôó|P2.5 seg6¶Ôó|P2.0' `1 r% @! ]1 ~' ?
delay1ms(); / i0 |4 z5 K& u, c9 ~9 n. Y* g0 c3 \
P2=0xff; //êyÂë1üÃe: N# `+ |) V. c& R- S
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! C6 R2 I0 @) h}" F: z) F. R- w. o- d# U) |' c
4 P' N0 \. E0 xmain()
* T) V' e1 g& ]8 |{& i) C. s6 o) q
separateData(654321);" T4 P# C1 I# E9 |/ ?
while(1) % k/ |! B2 L/ _) ~8 Z+ f
{; d2 E5 D& W1 P h1 s
display();
% d2 o9 A) V0 z6 S- P }0 X5 U% e! q: W {' j5 U& J
}
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8 v- R2 d8 }5 m! `8 X" r( @1 ?
#include<reg52.h>
' U M( S' X+ ~" q9 y* i#include<intrins.h>
4 C7 c# Q, x, S2 g4 J: A
# B% B- C0 e9 `( B; N#define uchar unsigned char
$ R1 @/ J3 y* @, S; l( G9 g, x#define uint unsigned int, j6 q6 c+ c% V$ }6 ^
//74HC164. _% H- d6 z7 w& D
sbit CLK=P1^0; // 低电平到高电平边沿触发# ]3 v; J6 i! j. z1 z R, k7 ~
sbit MOSI=P1^1; // 数据输入
: F# K! e( Y5 D, W+ z) M7 L8 A
" E: c4 {! ^3 J8 W) \unsigned char code Tab[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,. C0 x2 y8 r S5 w0 j
0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71}; //共阴数码管5 P9 ~* X; b5 g
unsigned char DS_data[6];
( R$ E3 [2 [0 y7 a' {/*****************************************************
% u/ P2 ]& Y- X0 [. Y, Z函数功能:数码管扫描延时子函数# V; E! y$ I( D/ }( D0 a- T
函数功能:延时1ms9 j9 D4 j0 K; R% A6 o; a
8 a' j; @! A3 H9 r Q: [ P***************************************************/: W3 d) y$ v( Q0 G& A0 v
void delay1ms()
$ k; F2 J+ A3 P' `4 z" Z{
. L$ X1 `. I O; o- K unsigned char i,j;
5 r4 ~/ E& `4 r; R) t" ^4 B8 H$ r for(i=0;i<10;i++)5 k+ |# |1 _0 [8 B% C. e# f& ?* e
for(j=0;j<33;j++)
; }/ G. q3 l! d ; 2 z* ?6 R0 ~ J; l. ~2 Z
}
: F1 L5 F! q, \; Y, }void separateData(unsigned long dat) // dat为6位数
; H G; G& ]; o( {' g2 `) u; i{/ H# {8 o( W$ K' \, X8 T
DS_data[0]=dat%10;
9 J. U3 p- {, k& x" c7 }. g DS_data[1]=dat/10%10;- K H: Q" R% y% {5 s5 o
DS_data[2]=dat/100%10;! O0 r4 t3 c: B7 ~( t
DS_data[3]=dat/1000%10;0 M; D0 r3 f3 `0 N3 K+ w1 x$ u. h9 e
DS_data[4]=dat/10000%10;# I- ^5 F; a: ], g! I2 A( G* ]8 s' i
DS_data[5]=dat/100000%10; E/ o. P+ r0 c0 {( M& `) C8 H+ v
}
) a% q) I+ l& B# n) svoid write_164(unsigned char dat)/ a0 f4 Y" u9 W3 s$ a
{/ M0 L$ E" s% Y0 B3 K, [0 h( {
unsigned char i;
6 o) {& e% c: P% X for(i=0;i<8;i++)
3 P+ o8 N- F3 o) o1 l2 q3 w {/ [& w$ W1 T$ {1 k) b3 o+ s& Y
CLK=0; , r! c5 Q+ O7 W) E2 T% @; A
if(dat&0x80) MOSI=1;
: F8 Q8 G2 K$ N- s else MOSI=0;0 `/ [. @/ E; B/ C) C8 i4 ^
CLK=1; 1 J4 a B& D. X- B4 Y- a2 V$ n
dat<<=1; : Y# G+ E! ~, ]9 }3 ~" Y
}
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, d$ `2 i2 P/ Q. \
void display()
1 i+ @ C" I. ^/ `- y' f i" ^{
% S0 h% Z( C+ E9 j6 Y: l unsigned char i;* P1 y! p! u+ ^9 Z. u
for(i=0;i<6;i++)" w9 e$ h e% G) K, N/ [
{$ V+ W, U' j. P1 T! A+ f; [: {
write_164(Tab[DS_data]);
2 \* Y0 H" E# H" { 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+ _* `) l0 R* ^' X! G
delay1ms();
5 k. N7 f* i j( R5 W5 @ P2=0xff; //数码管灭7 n5 E6 K' D: Y3 p* y
}
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}
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main()
1 ^7 f8 x p k* f# `{
7 [7 i! e9 i7 w5 X! ~: t$ ~# L separateData(654321);
* `/ i; Q2 ]8 b while(1)
; @3 d" c( I$ V5 ^9 g% r8 L {6 |0 m# M6 a% W" y1 G
display();* I' T! n6 O+ X# T+ R
}
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Q( ?/ V8 q# _$ @: j& J& ^8 L. F5 ?3 R" D9 o! @: b D$ M/ r
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