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相同延时函数分别加在EndDevice和Router中,EndDevice延时3us左右,Router延时12us左右
void delay_us(u32 i)
{
u8 n;
while(i--)
{
for(n=0;n<16;n++);
}
}
现象像是系统时钟改变了,但不知道哪里改的。
谁知道这是怎么回事?