PWM调光数码管显示占空比

PWM调光数码管显示占空比#include<reg52.h> unsigned char code zs1[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7

PWM调光数码管显示占空比 #include&lt;reg52.h&gt; unsigned char code zs1[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f}; sbit s2=P3^4; sbit s3=P3^5; sbit L1=P2^6; sbit L2=P2^7; sbit fm=P2^3; //sbit led=P1^0; unsigned char zkb,i; void delay(unsigned char z) { unsigned x,y; for(x=z;x&gt;0;x--) for(y=110;y&gt;0;y--); } void disp(unsigned char t) { unsigned char a,a1; t=t*10; a=t/10; a1=t%10; L1=1; P0=zs1[a]; L1=0; L2=1;; P0=0xfe; L2=0;