www.pudn.com > ComEmulDrv3.zip > ComEmulDrv.h

// 
// ComEmulDrv serial port bridge driver 
// 
// Copyright (c) 2002  
// MixW team 
// http://www.mixw.net 
// 
 
#define COMBUFLEN 50000 
 
#define MAXPAIR 10 
 
typedef struct _SERIAL_DEVICE_EXTENSION  
{ 
 
	KSPIN_LOCK IoctlSpinLock; 
	KSPIN_LOCK WriteSpinLock; 
//	KSPIN_LOCK ReadSpinLock; 
 
	ULONG EventMask; 
	ULONG HistoryEvents; 
 
	ULONG BaudRate; 
	ULONG RTSstate; 
	ULONG DTRstate; 
 
	SERIAL_TIMEOUTS Timeouts; 
	SERIAL_LINE_CONTROL Lc; 
 
	CHAR Buffer[COMBUFLEN]; 
 
	ULONG BufHead, BufTail; 
 
	struct _SERIAL_DEVICE_EXTENSION* pOther; 
 
    PIRP pWaitIrp; 
    PIRP pReadIrp; 
 
	int IsOpen; 
 
} SERIAL_DEVICE_EXTENSION,*PSERIAL_DEVICE_EXTENSION;