www.pudn.com > UDISK.rar > FW.C

//************************************************************************ 
//author:dragon 
//web:8dragon.com 
//2004.2.5完成于桃龙源 
//************************************************************************* 
#include "AT89X52.H" 
#include "fw.h" 
#include "host_811.H" 
#include "ufi.h" 
#include "file.h" 
#include "api.h" 
extern Control bdata USB_Control; 
BYTE UsbEvent; 
void Init_Port() 
{ 
	P0 = 0xFF; 
	P1 = 0xFF; 
	P2 = 0xFF; 
	P3 = 0xFF; 
} 
void Init_Interrupt(void) 
{ 
	IT0 = 0; 
	EX0 = 1; 
} 
BYTE Demo(void) 
{ 
//	MCU_LED4=0; 
	    if(P3_4==0) 
		{ 
		 
			DelayMs(30); 
			if(P3_4==0) 
			{ 
				if(!CreateFile("demo.txt",0x20)) 
				   return; 
			MCU_LED4=1; 
			} 
		}	 
			 
} 
main() 
{ 
	BYTE i; 
	//BYTE Buf[0x100],buf1[50]; 
	Init_Port(); 
//	Init_COMM(); 
//	MCU_LED0=0; 
//	DelayMs(6000); 
//	MCU_LED0=1; 
//	P1_2=0; 
//	P1_2=1; 
//	nRest=0; 
	DelayMs(6); 
	nRest=1; 
	Init_Interrupt(); 
	ENABLE_INTERRUPTS; 
/*	for(i=0;i<100;i++) 
	{ 
		Buf[i]=i; 
	} 
	SL811BufWrite(16,Buf,100);	 
	SL811BufRead(16,buf1,50);*/ 
	sl811h_init(); 
	UsbEvent=TRUE;	 
	while(TRUE) 
	{ 
		if(UsbEvent) 
		{ 
			UsbEvent=FALSE; 
			SL811Write(IntStatus,0XFF); 
			i=SL811Read(IntStatus);     
			if((USB_RESET&i)) 
			{	 
				if(USB_Control.SLAVE_ONLINE ==TRUE) 
				{ 
					USB_Control.SLAVE_REMOVED=TRUE; 
					USB_Control.SLAVE_ONLINE =FALSE; 
				} 
			} 
			else	 
			{   
				if(USB_Control.SLAVE_ONLINE == FALSE&&(i|0x7F)) 
				{	  
					USB_Control.SLAVE_FOUND=TRUE; 
	   				USB_Control.SLAVE_ONLINE =TRUE; 
				} 
			} 
			if(USB_Control.SLAVE_FOUND) 
			{	 
				DISABLE_INTERRUPTS; 
				USB_Control.SLAVE_FOUND=FALSE; 
		//		for(i=0;i<5;i++) 
		//		DelayMs(250); 
				if(EnumUsbDev(1))							// enumerate USB device, assign USB address = #1 
					USB_Control.SLAVE_ENUMERATED = TRUE;	// Set slave USB device enumerated flag		 
				ENABLE_INTERRUPTS; 
			}		 
			if(USB_Control.SLAVE_REMOVED) 
 
			{ 
				DISABLE_INTERRUPTS; 
				USB_Control.SLAVE_REMOVED=FALSE; 
				USB_Control.SLAVE_ENUMERATED = FALSE; 
				ENABLE_INTERRUPTS; 
			} 
			if(USB_Control.bMassDevice) 
			{ 
				DISABLE_INTERRUPTS; 
				USB_Control.bMassDevice=FALSE; 
				ApiDemo(); 
				MCU_LED4=0;	 
				ENABLE_INTERRUPTS; 
			} 
		}//end if  
	   Demo();	 
	   MCU_LED1=~MCU_LED1; 
	   DelayMs(200); 
	}//end for while	 
 
}//end main 
//************************************************************************ 
//author:dragon 
//web:8dragon.com 
//2004.2.5完成于桃龙源 
//*************************************************************************