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標題: 求問為啥舵機無響應？ [打印本頁]

作者: greenberet 時間: 2019-5-3 17:04
標題: 求問為啥舵機無響應？

#include<reg52.h>

#define uint unsigned int
#define uchar unsigned char
sbit PWM_out=P1^0;

void init()
{
TMOD=0x11;
EA=1;
ET0=1;
}

void main()
{
init();
TL0=0xfb;
TH0=0x80;
flag=1;
PWM_out=0;
TR0=1;
PWM_out=1;
while(1);
}

void OUT1() interrupt 1
{
if(flag==1)
{
PWM_out=0;
TL0=0xbc;  //18.75ms
TH0=0x80;
flag=0;
}
else
{
PWM_out=1;
TL0=0xfb;  // 1.25ms
TH0=0x80;
flag=1;
}
}

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