//#include"delay.h"
void Delay_nus(unsigned int i) 
{
   for(;i>1;i--){;}
}
void Delay_1ms(void) 
{unsigned i;
   for(i=1000;i>1;i--)
   {Delay_nus(1);
     }
}
void Delay_nms(unsigned int  i) 
{
   for(;i>1;i--)
   {Delay_1ms();}
}