headset_button_handler.c

实现蓝牙立体声耳机功能。。可以接收并播放来自有蓝牙功能的手机

/****************************************************************************
Copyright (C) Cambridge Silicon Radio Ltd. 2004-2006
Part of BlueLab 3.6.2-release

FILE NAME
    headset_button_handler.c

DESCRIPTION
    handles all heasdet button presses
*/


/****************************************************************************
    Header files
*/
#include "headset_private.h"
#include "headset_button_handler.h"
#include "headset_volume.h"
#include "headset_tones.h"
#include "headset_power.h"
#include "headset_common.h"
#include "hfp_slc.h"
#include "hfp_audio.h"
#include "a2dp_handler.h"
#include "headset_security.h"
#include "hfp_handler.h"
#include "avrcp_handler.h"
#include "av_stream_control.h"
#include "leds.h"

#include <connection.h>
#include <hfp.h>
#include <panic.h>
#include <ps.h>
#include <stdlib.h>

   
/****************************************************************************
*/
void button_handle_vol_up(  headsetTaskData *app  ) 
{
	if (app->active_profile == av_active)
	{
    	if (app->a2dp_state != avHeadsetA2dpInitialising )
    	{
    		headsetHandleAvVolUp(app);
    	}
	}
	else if ((app->active_profile == hfp_active) && !app->headset_connecting_hfp)
	{
    	switch(app->hfp_state)
    	{           
 		    case headsetConnected:
		    case headsetIncomingCallEstablish:
		    case headsetActiveCall:
		    case headsetOutgoingCallEstablish:
	        {
	            HFP *instance = 0;
	
	            /* If HFP send volume cmd but if HSP make sure we have a SCO open. */
	            if (app->profile_connected == hfp_handsfree_profile)
	                instance = app->hfp;
	            else if ((app->profile_connected == hfp_headset_profile) && app->sco_sink)
	                instance = app->hsp;
	            else
	                break;
	
	            /* Send a volume up request */
	            headsetHandleHfVolUp(app);
	
	            /* Send the AT cmd to inform the AG of the vol change */
	            HfpSendSpeakerVolume(instance, (uint16)app->speaker_volume.hfp_volume);
			}
	        break;
	
	        default:
	    	break ;
    	}
	}
}
/****************************************************************************
*/
void button_handle_vol_down(  headsetTaskData *app  ) 
{
	if (app->active_profile == av_active)
	{
    	if ( app->a2dp_state != avHeadsetA2dpInitialising )
    	{
    		headsetHandleAvVolDown(app);
    	}
	}
    else if ((app->active_profile == hfp_active) && !app->headset_connecting_hfp)
    {
        switch( app->hfp_state )
        {           
    
	        case headsetConnected:
	        case headsetIncomingCallEstablish:
	        case headsetActiveCall:
	        case headsetOutgoingCallEstablish:
            {
                HFP *instance = 0;

                /* If HFP send volume cmd but if HSP make sure we have a SCO open. */
                if (app->profile_connected == hfp_handsfree_profile)
                    instance = app->hfp;
                else if ((app->profile_connected == hfp_headset_profile) && app->sco_sink)
                    instance = app->hsp;
                else 
                    break;

                /* Send a volume down request */
                headsetHandleHfVolDown(app);

                /* Send the AT cmd to inform the AG of the vol change */
                HfpSendSpeakerVolume(instance, (uint16)app->speaker_volume.hfp_volume);
            }
            break;
		
            default:
		    break ;
	    }
    }
}


/****************************************************************************
*/
void button_handle_forward_release (  headsetTaskData *app  ) 
{
    switch (app->headset_power_state)
	{
		case power_state_on:
		case power_state_on_charging:
		{	
			if (app->avrcp_state == avHeadsetAvrcpConnected)
			{
				avHeadsetForwardPress(app);
				avHeadsetForwardRelease(app);
		
			    headsetPlayTone(app, tone_type_button_press); 
		    }			     
		}
		break;

		default:
		break;
	}
}

/****************************************************************************
*/
void button_handle_forward_long(  headsetTaskData *app  ) 
{
	switch (app->headset_power_state)
	{
		case power_state_on:
		case power_state_on_charging:
		{
			if ( app->avrcp_state == avHeadsetAvrcpConnected)
			{
				avHeadsetFastForwardPress(app);
				headsetPlayTone(app, tone_type_button_press); 
			}
		}
		break;
		
		default:
		break;
	}

}

/****************************************************************************
*/
void button_handle_forward_long_release(  headsetTaskData *app  ) 
{

    switch (app->headset_power_state)
    {
	    case power_state_on:
    	case power_state_on_charging:
    	{    
	    	if (app->avrcp_state == avHeadsetAvrcpConnected)
        	{
                avHeadsetFastForwardRelease(app);
    		}
    	}   
    	break;
    	
    	default:
        break;
	}
}

/****************************************************************************
*/
void button_handle_backward_release(  headsetTaskData *app  )     
{
	if (app->active_profile == av_active)
	{
		if  ( app->avrcp_state == avHeadsetAvrcpConnected )
		{
			avHeadsetBackwardPress(app);
			avHeadsetBackwardRelease(app);
			headsetPlayTone(app, tone_type_button_press); 
		}  
	}
}

/****************************************************************************
*/
void button_handle_backward_long(  headsetTaskData *app  ) 
{
	switch (app->headset_power_state)
    {
    	case power_state_on:
        case power_state_on_charging:
        {
	        if (app->avrcp_state == avHeadsetAvrcpConnected)
            {
            	avHeadsetFastRewindPress(app);
                headsetPlayTone(app, tone_type_button_press); 
			}
    	}
        break;
        
        default:
        break ;
	}  
}

/****************************************************************************
*/
void button_handle_backward_long_release(  headsetTaskData *app  ) 
{   
	switch (app->headset_power_state)
	{
		case power_state_on:
		case power_state_on_charging:
		{
			if (app->avrcp_state == avHeadsetAvrcpConnected)
			{
				avHeadsetFastRewindRelease(app);
			}
		}
		break;
	
		default:
		break;      
	}      
}

/****************************************************************************
*/
void button_handle_mfb_press(  headsetTaskData *app  ) 
{
	headsetPowerAmp(app , TRUE);
}

/****************************************************************************
*/
void button_handle_mfb_short(  headsetTaskData *app  ) 
{

    bool playErrorTone = FALSE ;
    bool playButtonTone = FALSE;
    headsetHfpState current_hfp_state = app->hfp_state;   
    

	switch (app->headset_power_state)
	{
    	case power_state_off:
        case power_state_off_charging:
		break;

        case power_state_on:
        case power_state_on_charging:
        {
	    	if (!app->headset_connecting_hfp)
            {
            	if (isHeadsetPairing(app))
                {
                    playErrorTone = TRUE;
                }
                else
                {                    
                    /* Headset not idle, must have some connection active */
                    switch(current_hfp_state)
                    {
						case headsetReady:
						{
	                        playButtonTone = TRUE;
	
	                        /* If we're already streaming music pause it. */
	                        if (app->a2dp_state == avHeadsetA2dpStreaming)
	                        {
	                            avHeadsetAvStreamStop(app, TRUE);
	                            (void) MessageCancelAll(getAppTask(), APP_MUSIC_RESTART_IND);
								MessageSendLater(getAppTask(), APP_MUSIC_RESTART_IND, 0, (uint32) 10000);
	                        }
	
	                        /* Headset is idle initiate Last number redial */
	                        app->headset_connecting_hfp = 1;
	                
	                        /* Queue a voice request message so we can act on it on SLC connect */
	                        MessageSendConditionally(&app->task, APP_VOICE_DIAL, 0, &app->headset_connecting_hfp);
	                
	                        /* Initiate the HFP SLC */
	                        hfpHeadsetHandleSlcConnectRequest(app, hfp_handsfree_profile);
                		}
						break;

                        case headsetConnected:
                        {
                               /* Delay sending a voice dial request in case connection
                               has just been established (some AG's refuse voice dial
                               if you send request too early) */
							
							
                            MessageSendLater(getAppTask(), APP_VOICE_DIAL, 0, 800);
                            
                            /* Suspend the AV now to ease CPU load */
                            avHeadsetAvStreamStop(app,TRUE);
                            
                            playButtonTone = TRUE;
                  		}
                  		break;
                
						case headsetIncomingCallEstablish:
						{
							if (app->profile_connected == hfp_handsfree_profile)
							{
						    	hfpHeadsetAnswerCall(app);
					    	}
							else
						    {
							    /* Send an HSP button press */
						    	HfpSendHsButtonPress(app->hsp);
							}							
							playButtonTone = TRUE;
						}
						break;

                        case headsetOutgoingCallEstablish: