headset_init.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_init.c

DESCRIPTION
    Tasks carried out during the initialisation of the headset.

*/


/****************************************************************************
    Header files
*/
#include "headset_private.h"
#include "a2dp_handler.h"
#include "avrcp_handler.h"
#include "headset_init.h"
#include "headset_common.h"

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


#ifdef DEBUG_INIT
#define INIT_DEBUG(x) DEBUG(x)
#else
#define INIT_DEBUG(x) 
#endif


/*****************************************************************************/
void hfpHeadsetHfpInit(void)
{
    hfp_init_params init;
    
    uint16 supp_features = (HFP_VOICE_RECOGNITION | 
                            HFP_REMOTE_VOL_CONTROL);

    /* Initialise an HFP profile instance */
    #ifdef HFP_1_5     
		init.supported_profile = hfp_handsfree_15_profile;
	#else
		init.supported_profile = hfp_handsfree_profile;
	#endif
    init.supported_features = supp_features;
    init.size_service_record = 0;
    init.service_record = 0;
    init.priority = 255;

    HfpInit(getAppTask(), &init);

    /* Initialise an HSP profile instance */
    init.supported_profile = hfp_headset_profile;
    init.supported_features = 0;
    init.size_service_record = 0;
    init.service_record = 0;
    init.priority = 255;
    
    HfpInit(getAppTask(), &init);
}


/*****************************************************************************/
void hfpHeadsetInitComplete(headsetTaskData *app, const HFP_INIT_CFM_T *cfm)
{
    /* Make sure the profile instance initialisation succeeded. */
    if (cfm->status == hfp_init_success)
    {
        /* Check for an hfp instance, that's registered first */
        if (!app->hfp)
        {
            /* This must be the hfp instance */ 
            app->hfp = cfm->hfp;
        }
        else
        {
            /* Its not HFP so must be HSP */
            app->hsp = cfm->hfp;

            /* Send an internal message to indicate init has completed */
            MessageSend(getAppTask(), APP_HEADSET_INIT_CFM, 0);
        }
    }
    else
        /* If the profile initialisation has failed then things are bad so panic. */
        Panic();
}


/**************************************************************************/
void avHeadsetHandleA2dpInitCfm(headsetTaskData* app, const A2DP_INIT_CFM_T* cfm)
{
	uint8 mp3_enabled = 0;
    if(cfm->status == a2dp_success)
    {
        /* A2DP Library initialisation was a success */     
        /* Keep a record of the A2DP instance */
        if (!app->a2dp)
        {
            app->a2dp = cfm->a2dp;
            
            /* Enable signalling channel indication for this application. */
            A2dpEnableSignallingIndications(app->a2dp);

			if (PsRetrieve(MP3_ENABLED, &mp3_enabled, sizeof(uint8)))
				if (mp3_enabled)	
				{
					/* Register Stream Endpoints - MP3 */
					avHeadsetRegisterSep(app, a2dp_mpeg_audio);
						
					INIT_DEBUG(("MP3 done\n"));
				}		
			/* ... and SBC */
			avHeadsetRegisterSep(app, a2dp_sbc);
        }
    }
    else
    {
        INIT_DEBUG(("INIT: A2DP Init failed\n"));
    }
}


/**************************************************************************/
void avHeadsetHandleAvrcpInitCfm(headsetTaskData* app, const AVRCP_INIT_CFM_T* cfm)
{
    if(cfm->status == avrcp_success)
    {
        /* AVRCP Library initialisation was a success */        
        /* Keep a record of the AVRCP instance */
        if (!app->avrcp)
        {
            app->avrcp = cfm->avrcp;
            
            /* Initialise avrcp app variables */
            app->avrcp_pending = FALSE;
                    
            /* Change to Ready state */
            setAvrcpState(app, avHeadsetAvrcpReady);

			/* Init the HFP lib */
			hfpHeadsetHfpInit();
        }

        /* initialise the handler task */
        app->controls_task.handler = controls_handler;
    }
    else
    {
        INIT_DEBUG(("INIT: AVRCP Init failed\n"));
    }
}


/**************************************************************************/
void headsetInitReset(headsetTaskData *app)
{
    /* Set the state to indicate the init has finished */
    setHfpState(app, headsetReady);

    /* Set the class of device to indicate this is a headset */
    ConnectionWriteClassOfDevice(AUDIO_MAJOR_SERV_CLASS | AV_COD_RENDER | AV_MAJOR_DEVICE_CLASS | AV_MINOR_HEADSET);
    
    /* Disable SDP security  */
    ConnectionSmSetSdpSecurityIn(TRUE);
}