a = TH0*256+TL0;是什么意思/**/void init0int() interrupt 0 {uint timer_us = 0;TR0=0; //关闭定时器0timer_us = TH0*256+TL0; //计算结果转换成十进制if(timer_us>190)timer_us=timer_us-180; //修正测距的距离if(timer_us

a = TH0*256+TL0;是什么意思/**/void init0int() interrupt 0 {uint timer_us = 0;TR0=0; //关闭定时器0timer_us = TH0*256+TL0; //计算结果转换成十进制if(timer_us>190)timer_us=timer_us-180; //修正测距的距离if(timer_us
a = TH0*256+TL0;是什么意思
/**/
void init0int() interrupt 0
{
uint timer_us = 0;
TR0=0; //关闭定时器0
timer_us = TH0*256+TL0; //计算结果转换成十进制
if(timer_us>190)timer_us=timer_us-180; //修正测距的距离
if(timer_us

a = TH0*256+TL0;是什么意思/**/void init0int() interrupt 0 {uint timer_us = 0;TR0=0; //关闭定时器0timer_us = TH0*256+TL0; //计算结果转换成十进制if(timer_us>190)timer_us=timer_us-180; //修正测距的距离if(timer_us
不太准确,准确来说是高低两字节的二进制数转换为一个16位的整形数据,即TH0左移8位后与TL0相加.