blc_cmn.h

针对Intel Xscale PXA255的WinCE boot loader源代码包！极具参考价值！

/*****************************************************************

Module Name:    BAK_cmn.h
Abstract:	Platform independent headers of the backlight driver.

*/

#ifndef __BLC_CMN_H__
#define __BLC_CMN_H__

// diagnostic defines
#define MODULE_NAME							TEXT("BLC")

#define DEFAULT_BL_OFFTIMEOUT			60000	// after 60 seconds it turns off 

#define NUMBER_BL_EVENT				2
#define BL_TIMEOUT_EVENT_INDEX			0	// event issued when backlight timeout occured
#define BL_REGISTRY_EVENT_INDEX			1	// event issued when backlight setting of registry 
							// have beeen changed  

void ReadBacklightSettingsFromRegistry(void);
BOOL InitializeBacklight(void);
void ResetBacklightTimeout(void);
void SetBacklightState(DWORD newState, BOOL invert);

#endif  // __BLC_CMN_H__