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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?. x5 ~$ i% s$ ^* x1 y6 k
#include<reg51.h>; |# G ]( b% s" f$ |
#define uint unsigned int
?! H) F) l# x, S( P( R" y4 H#define uchar unsigned charsbit P2_3=P2^3;
. w2 A- t/ r8 [sbit k1=P3^4;
& s7 `# v+ q* g8 Y0 Usbit k2=P3^5;
+ ^4 I. B7 X. [! P+ l! rsbit k3=P3^6;
7 n& T+ Z* R& z7 h5 bsbit k4=P3^7;, Y( A( G7 q& V( C6 f! V
sbit dula=P2^6; Q$ I4 X5 M$ A2 z
sbit wela=P2^7;, @& _& G1 y7 v% T
uint pwm,num;
; X; r" O: @7 f5 V0 luchar temp,a;
- I( n' W/ k) H& C) z8 quchar code table[]=" Y0 G6 L; D% Q0 G+ o
{ 0x3f ,0x06 ,0x5b ,0x4f,0x66 ,0x6d, 0x7d ,0x07 ,0x7f, 0x6f}9 a8 f0 m4 ]& a8 ^0 H' M9 |$ V
;( w. E' g3 A ^
uint G_H,G_L,D_H,D_L;void delay(uint t){uint x,y;for(x=t;x>0;x--)! i& G& V, T# c$ I( k5 _
for(y=150;y>0;y--);
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( L. J* s- S% ?) e K: Q% i; q, tvoid display(pwm)
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unsigned char m,n,q;m=pwm/100;n=pwm/100%10;q=pwm%10;, E) }8 r% q9 w
dula=1 0=table[m];dula=0;wela=1 0=0xfe;wela=0;delay(1);0 B' {: ~+ G# y9 J5 R( U7 Y* K& {$ v
dula=1 0=table[n];dula=0;wela=1;P0=0xfd;wela=0;delay(1);' _. i- W% {- ?- ~( k
dula=1;" p/ a( [, `% i+ S4 q8 ]
P0=table[q];
# v2 {8 C1 A3 ?; t! Adula=0;
* k+ X" _+ q) k, P4 Z5 ~- X3 wwela=1;! s; h6 q8 g5 {( o7 w. ]$ b5 B
P0=0xfb;
/ c. A% v0 T' B0 {wela=0;2 K/ w* \) W7 d& P; N' T/ s
delay(1);
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void main()) j( X! ^" t) q- ~: d7 c, r$ ]0 q
{ 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 Q0 V. R+ [6 I/ Q) o; w
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;}}- q7 q, L( r, e6 {8 {9 m6 p0 M
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