delay.h

本程序是基于单片机C8051F020上使用SL811 USB 总线接口实现检测U 盘的功能。插上U 盘

#define  WDT_CLR   WDTCN = 0xa5;
sbit LED = P3^5;                       // LED='1' means ON

void Delay_ms(unsigned char Times);
void Delay_s(unsigned char Times);
void Delay_us(unsigned char Times);