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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 p( ]( t5 d6 W+ Q#include<reg51.h>
' V/ g; g6 E& Q8 g9 X2 m3 R, x#define uint unsigned int
9 J: o- m% @) x, N3 C#define uchar unsigned charsbit P2_3=P2^3;
3 Z" ?6 Z- j' Dsbit k1=P3^4;, N1 Y( b$ D$ c) Y" U
sbit k2=P3^5;
' ~( x* `* F$ Y$ U* `sbit k3=P3^6;
* Y7 q# Q( k) a2 R6 Esbit k4=P3^7;2 H% i0 u) m w' b
sbit dula=P2^6;" H5 F- x; x& F5 ?5 v
sbit wela=P2^7;
$ m7 Q. k7 L+ g& q; y9 Nuint pwm,num;
7 Z: i' n% [. ?7 Kuchar temp,a;: q* n. ]8 d- Q) J5 ]! y
uchar code table[]=3 } w1 O) ?- E& p/ ?
{ 0x3f ,0x06 ,0x5b ,0x4f,0x66 ,0x6d, 0x7d ,0x07 ,0x7f, 0x6f}& C+ G# F: r" M6 ^- T1 z
;' M! E( b- J! m, _) T1 a0 U+ n
uint G_H,G_L,D_H,D_L;void delay(uint t){uint x,y;for(x=t;x>0;x--)( L" ~9 O. d) Q+ D8 ?* ^
for(y=150;y>0;y--);
, B V3 l4 B& E}
2 R; {- e, R/ p! b- vvoid display(pwm)
& v5 y3 `) r$ M; W" K f0 L4 [{
. G9 @ L+ V3 y3 b9 v" Dunsigned char m,n,q;m=pwm/100;n=pwm/100%10;q=pwm%10;
4 |) N( Q& d( w5 v0 d# M( i dula=1 0=table[m];dula=0;wela=1 0=0xfe;wela=0;delay(1);* x9 {& H" V( A5 ]4 H- r
dula=1 0=table[n];dula=0;wela=1;P0=0xfd;wela=0;delay(1);, u) V. {: H8 H. A
dula=1;7 \6 A4 L1 D) T' x/ P/ w
P0=table[q];
0 F6 }1 ~+ Q5 b; C, Y: n6 kdula=0;2 F5 t5 ?- Y9 }" r8 [
wela=1;
2 K. s1 ?! ~3 e7 CP0=0xfb;9 g1 H Y, W l8 T: q2 B2 |
wela=0;, ]9 @1 M5 Z% c# q, {
delay(1);
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void main()
d' D( r1 @ d+ [, M3 i{ 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); }}( ^6 I6 `" I! M8 t5 ^% e% l
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;}}
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