/**********延時(shí)函數(shù)*****************/
/*-----------------------------------------------
delay_us	   :1us延時(shí)函數(shù)
------------------------------------------------*/
void delay_1us(void)
{
 asm("nop");
}
/*-----------------------------------------------
delay_nus          :長(zhǎng)延時(shí)函數(shù)
輸入?yún)?shù): t        :延時(shí)時(shí)間 us
------------------------------------------------*/
void delay_us(unsigned int t)
{
 while(t--)
  delay_1us();
}
/*----------------------------------------------
delay_ms	   :1ms延時(shí)函數(shù)
-----------------------------------------------*/
void delay_1ms(void)
{
 unsigned int i;
 for(i=0;i<1140;i++);
}
/*----------------------------------------------
delay_nms          :長(zhǎng)延時(shí)函數(shù)
輸入?yún)?shù): t        :延時(shí)時(shí)間 ms
-----------------------------------------------*/
void delay_ms(unsigned int t)
{
 while(t--)
  delay_1ms();
}