单片机控灯pwm脉宽调制信号相关资料推荐

#include"reg52.h"#include"ls138.h"#include"delay.h"***it L1=P0^0;***it S7=P1^0;unsigned char count=0;unsigned char pwm_duty=0;void Inittimer0(){TMOD=0x01;TH0=(65535-100)/256;TL0=(65535-100)%256;ET0=1;EA=1;}void ServicerTimer0() interrupt 1{T