globals.h

来自「WinCE 3.0 BSP, 包含Inter SA1110, Intel_815」· C头文件 代码 · 共 66 行

/*++

	Copyright (c) 1999  Microsoft Corporation

	Module Name:
	    globals.h

	Abstract:

		Declares info and functions for the whole DLL (used by both the mixer and the wave drivers)

	Environment:

		Win CE 2.11

	Revision History:

		5/7/1999	Initial Version

--*/

#ifndef __GLOBALS_H__
#define __GLOBALS_H__

// driver identification

#define DRIVER_VERSION	0x0101
#define DRIVER_WMID MM_MICROSOFT
#define DRIVER_NAME	TEXT("CX5530 Audio Driver")

typedef struct tagHWREG
{
	ULONG	offset;
	ULONG	value;
} HWREG;

typedef struct tagMixer_Context *PMIXER_CONTEXT;

typedef struct tagDriverContext
{
	//HwRegAperture * Aperture0;
	//HwRegAperture * Aperture1;
	//HwRegAperture * AC97Regs;

	BOOL	bMixerInitialized;
	CRITICAL_SECTION mixCritSec;
	PMIXER_CONTEXT pMixerContextList;
} DRIVER_CONTEXT, *PDRIVER_CONTEXT;

extern PDRIVER_CONTEXT g_pDriverContext;

__inline void LockMixerList() 
{
	if (g_pDriverContext)
		EnterCriticalSection(&g_pDriverContext->mixCritSec);
}

__inline void UnlockMixerList() 
{
	if (g_pDriverContext)
		LeaveCriticalSection(&g_pDriverContext->mixCritSec);
}

#endif //__GLOBALS_H__