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求大佬帮忙看一看改一改吧,为什么只能显示个位,显示不了十位百位?2 E3 X. f) n4 b9 ~+ \
#include<reg51.h>
- \# Z. q( @1 M; r7 L" }4 K' z#define uint unsigned int
* Y" U7 a9 ? z: E6 C#define uchar unsigned charsbit P2_3=P2^3;: I7 K9 f! \& U5 Y" D' o
sbit k1=P3^4;
( l9 q; J! T$ asbit k2=P3^5;
! i- \( x' Y P8 l, Ksbit k3=P3^6;
/ c' |3 F0 \" s9 Z6 Csbit k4=P3^7;
" s- F9 w. B- S4 Y1 C4 i# k5 q2 E* Gsbit dula=P2^6;
1 J9 z2 g' ]5 q7 {. Rsbit wela=P2^7;: v0 S8 X0 ]+ A. u, F
uint pwm,num;; u' R1 _: o: o" ~2 g
uchar temp,a;0 u8 y6 T8 l3 w; a7 b+ R
uchar code table[]=
! ]! v* D5 _( @) x/ h{ 0x3f ,0x06 ,0x5b ,0x4f,0x66 ,0x6d, 0x7d ,0x07 ,0x7f, 0x6f}
# k. a; s' f* O* T& j;
' `- W6 O; H; j# T% V- W Auint G_H,G_L,D_H,D_L;void delay(uint t){uint x,y;for(x=t;x>0;x--)' j% [) C! ] |- O( F
for(y=150;y>0;y--);
) {; [! e3 p/ O- b) e2 g% J( \4 [}9 S2 o. e$ S( }
void display(pwm)' j+ L. ?5 _9 U% X
{$ O4 V) f! a' H/ V2 J, U) F
unsigned char m,n,q;m=pwm/100;n=pwm/100%10;q=pwm%10;% V" C" F8 P9 s# \) ] i
dula=1 0=table[m];dula=0;wela=1 0=0xfe;wela=0;delay(1);" o8 k' n; k2 J; G) Z* p
dula=1 0=table[n];dula=0;wela=1;P0=0xfd;wela=0;delay(1);
% |# G3 } \& L- cdula=1;3 ~! {' n, b3 Q, C6 C, B& ?. U$ u
P0=table[q];% V0 j2 }0 h) J+ t
dula=0;
% ~3 F1 u5 q- P2 @9 _, nwela=1;
! @. u, i7 L0 @4 Q4 v9 C- wP0=0xfb;9 J5 E* s2 _4 U% Q3 _" _7 S
wela=0;
% f9 o' }# L' R5 C% N# w! s9 R5 ldelay(1);
$ |8 B3 V! v9 J" W( k}" k: M6 @% c: U9 @, I
void main()
$ I8 S: y& n/ Z" m{ EA=1; ET0=1; TMOD=0x01; TR0=1; P2_3=0; while(1) { G_H=(65536-pwm)/256; G_L=(65536-pwm)%256; D_H=(65536-100+pwm)/256; D_L=(65536-100+pwm)%256; if(k1==0) {delay(10);while(!k1);TR0=1;pwm=50;} if(k2==0) {delay(10);while(!k2);pwm=(pwm==100)?100 pwm+1);} if(k3==0) {delay(10);while(!k3);pwm=(pwm==0)?0 pwm-1);} if(k4==0) {delay(10);while(!k4);TR0=0;P2_3=0;pwm=0;} TF0=0; display(pwm); }}7 O; Z" K& ^( M5 `
void timer0() interrupt 1{ P2_3=~P2_3; if(P2_3==1) {TH0=G_H;TL0=G_L;} if(P2_3==0) {TH0=D_H;TL0=D_L;}}; @: V" l( _3 h D M% Y
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