用单片机定时器模拟PWM10KHZ的方波控制直流电机的程序编写

#include#define uchar unsigned charuchar pwm=50,num;sbit pluse=P1^0;void t0isr() interrupt 1{num++;num%=10;if(num<pwm/10)pluse=1;else pluse=0;}main(){TMOD=0x02;TH0=246;TL0=246;TR0=1;ET0=1;EA=1;while(1);}