av_headset_controls.h

csr 蓝牙芯片 无线蓝牙耳机的嵌入式程序

/****************************************************************************
Copyright (C) Cambridge Silicon Radio Ltd. 2004

FILE NAME
    av_headset_controls.h
    
DESCRIPTION
    
*/

#ifndef _AV_HEADSET_CONTROLS_H_
#define _AV_HEADSET_CONTROLS_H_


/*************************************************************************
NAME    
     avHeadsetInitialiseControls
    
DESCRIPTION
     Initialises power and button control
RETURNS
     
*/
void avHeadsetInitialiseControls(avTaskData* theAvApp);

/*************************************************************************
NAME    
     avHeadsetStartPowerDown
    
DESCRIPTION
     Start to power down the headset gracefully
     
RETURNS
     
*/
void avHeadsetStartPowerDown(avTaskData* theAvApp);

/*************************************************************************
NAME    
     avHeadsetCheckPowerDownStatus
    
DESCRIPTION
     Checks if connections have been successfully dropped and we have
     initiated power down. We can then power off.
     
RETURNS
     
*/
void avHeadsetCheckPowerDownStatus(const avTaskData *theAvApp);

/*************************************************************************
NAME    
     avHeadsetPowerDown
    
DESCRIPTION
     Power down the headset
     
RETURNS
     
*/
void avHeadsetPowerDown(void);


/*************************************************************************
NAME    
     avHeadsetHandleVolUp
    
DESCRIPTION
     Handle volume up
     
RETURNS
     
*/
void avHeadsetHandleVolUp(avTaskData* theAvApp);


/*************************************************************************
NAME    
     avHeadsetHandleVolDown
    
DESCRIPTION
     Handle volume down
     
RETURNS
     
*/
void avHeadsetHandleVolDown(avTaskData* theAvApp);


/*************************************************************************
NAME    
     avHeadsetPausePress
    
DESCRIPTION
     Signal that pause has been pressed.
     Note that the AV Control specification states that the pause
     button will toggle between playing/paused.
     
RETURNS
     
*/
void avHeadsetPausePress(avTaskData* theAvApp);

/*************************************************************************
NAME    
     avHeadsetPauseRelease
    
DESCRIPTION
     Signal that pause has been released
     
RETURNS
     
*/
void avHeadsetPauseRelease(avTaskData* theAvApp);

/*************************************************************************
NAME    
     avHeadsetPlayPress
    
DESCRIPTION
     Signal that play has been pressed
     
RETURNS
     
*/
void avHeadsetPlayPress(avTaskData* theAvApp);

/*************************************************************************
NAME    
     avHeadsetPlayRelease
    
DESCRIPTION
     Signal that play has been released
     
RETURNS
     
*/
void avHeadsetPlayRelease(avTaskData* theAvApp);


/*************************************************************************
NAME    
     avHeadsetForwardPress
    
DESCRIPTION
     Signal that Forward has been pressed
     
RETURNS
     
*/
void avHeadsetForwardPress(avTaskData* theAvApp);

/*************************************************************************
NAME    
     avHeadsetForwardRelease
    
DESCRIPTION
     Signal that Forward has been released
     
RETURNS
     
*/
void avHeadsetForwardRelease(avTaskData* theAvApp);

/*************************************************************************
NAME    
     avHeadsetBackwardPress
    
DESCRIPTION
     Signal that Backward has been pressed
     
RETURNS
     
*/
void avHeadsetBackwardPress(avTaskData* theAvApp);

/*************************************************************************
NAME    
     avHeadsetBackwardRelease
    
DESCRIPTION
     Signal that Backward has been released
     
RETURNS
     
*/
void avHeadsetBackwardRelease(avTaskData* theAvApp);

/*************************************************************************
NAME    
     avHeadsetStopPress
    
DESCRIPTION
     Signal that Stop has been pressed
     
RETURNS
     
*/
void avHeadsetStopPress(avTaskData* theAvApp);

/*************************************************************************
NAME    
     avHeadsetStopRelease
    
DESCRIPTION
     Signal that Stop has been released
     
RETURNS
     
*/
void avHeadsetStopRelease(avTaskData* theAvApp);

#endif /* _AV_HEADSET_CONTROLS_H_ */