main.c

bluelab的一个很好的例程

/****************************************************************************
Copyright (C) Cambridge Silicon Radio Ltd. 2005

FILE NAME
    main.c        

DESCRIPTION
    This is main file for the headset application software for BC4-Headset

NOTES

*/


/****************************************************************************
    Header files
*/
#include "headset_private.h"
#include "headset_init.h"
#include "headset_auth.h"
#include "headset_scan.h"
#include "headset_slc.h" 
#include "headset_dut.h" 
 
#include "headset_LEDmanager.h"
#include "headset_buttonmanager.h"
#include "headset_configmanager.h"
#include "headset_events.h"
#include "headset_statemanager.h"
#include "headset_soundmanager.h"
#include "headset_powermanager.h"
#include "headset_callmanager.h"

#include "headset_threewaycall.h"


#ifdef TEST_HARNESS
#include "test_headset.h"
#endif

#include <bdaddr.h>
#include <connection.h>
#include <panic.h>
#include <ps.h>
#include <pio.h>
#include <stdlib.h>
#include <stdio.h>
#include <stream.h>



#ifdef DEBUG_MAIN
#define MAIN_DEBUG(x) DEBUG(x)

#define TRUE_OR_FALSE(x)  ((x) ? 'T':'F')

#else
#define MAIN_DEBUG(x) 
#endif

/* Single instance of AV Headset state */
static hsTaskData theHeadset;

#define POWER_OFF_DISABLE_TIME_SECS (20)

typedef enum MessageTypeTag
{
    
    MSGTYPE_UNKNOWN = 0,    
    MSGTYPE_HFP, /*message From the HFP*/
    MSGTYPE_CL , /*message from the CL*/   
    MSGTYPE_UE , /*massge from a User event*/       
    MSGTYPE_HS   /*message from the Headset (Internal)*/
    
}messageType_t ;

static messageType_t headsetGetMessageType (MessageId pMsg ) ;

static void headsetInitUserFeatures ( void ) ; 

static void handleHFPStatusCFM ( hsTaskData * theHeadset , hfp_lib_status pStatus ) ;
/*************************************************************************
NAME    
    getAppTask
    
DESCRIPTION
    Returns the application main task.

RETURNS
    Task
*/
Task getAppTask(void)
{
    return &theHeadset.task;
}

/*************************************************************************
NAME    
    unhandledHeadsetState
    
DESCRIPTION
    This function is called when a message arrives and the Headset is
    in an unexpected state.  The error condition is reported and then the
    application will Panic
    
RETURNS
    
*/
static void unhandledHeadsetState(headsetState state, MessageId id)
{
    MAIN_DEBUG(("HS: st%d id 0x%x\n", state, id));
}


/*************************************************************************
NAME    
    handleCLMessage
    
DESCRIPTION
    Function to handle the CL Lib messages - these are independent of state

RETURNS

*/
static void handleCLMessage ( Task task, MessageId id, Message message )
{
 
    /*paranoia check we have a CL message*/
    if ( headsetGetMessageType ( id )  != MSGTYPE_CL)
    {
        MAIN_DEBUG(( "hCLm Error[%x] \n",id )) ;
    }
        /* Handle incoming message identified by its message ID */
    switch(id)
    {
  /* -- Connection Library Messages -- */
        case CL_INIT_CFM:
            MAIN_DEBUG(("CL_INIT_CFM [%d]\n" , ((CL_INIT_CFM_T*)message)->status ));
            if(((CL_INIT_CFM_T*)message)->status == success)
            {
    			/* The Connection Library has been successfully initialised, 
       			   initialise the HFP library to instantiate an instance of both
       			   the HFP and the HSP */
    				headsetHfpInit(&theHeadset);
            }
            else
            {
                Panic();
            }
            break;
   
  		case CL_SM_PIN_CODE_IND:
            MAIN_DEBUG(("CL_SM_PIN_IND\n"));
            headsetHandlePinCodeInd((CL_SM_PIN_CODE_IND_T*) message);
            break;
            
        case CL_SM_AUTHORISE_IND:
            MAIN_DEBUG(("CL_SM_AUTHORISE_IND\n"));
            headsetHandleAuthoriseInd((CL_SM_AUTHORISE_IND_T*) message);
            break;
            
        case CL_SM_AUTHENTICATE_CFM:
            MAIN_DEBUG(("CL_SM_AUTHENTICATE_CFM\n"));
            headsetHandleAuthenticateCfm(&theHeadset, (CL_SM_AUTHENTICATE_CFM_T*) message);
            break;
            
        case CL_DM_REMOTE_FEATURES_CFM:
            MAIN_DEBUG(("HS : Supported Features\n")) ;
            headsetHandleRemoteSuppFeatures(&theHeadset, (CL_DM_REMOTE_FEATURES_CFM_T *)(message));
            break ;
   
  case CL_SM_GET_ATTRIBUTE_CFM:
   MAIN_DEBUG(("HS : CL_SM_GET_ATTRIBUTE_CFM\n"));
   soundManagerHandleVolumeLevel(&theHeadset, (CL_SM_GET_ATTRIBUTE_CFM_T *)(message));
   break;
   

        case CL_DM_SYNC_CONNECT_CFM:        
        case CL_DM_SYNC_CONNECT_IND:
        case CL_DM_SYNC_DISCONNECT_IND:   
    	case CL_DM_ACL_OPENED_IND:
        case CL_DM_ACL_CLOSED_IND:
        case CL_DM_ROLE_CFM:
        case CL_DM_INQUIRE_RESULT:
        case CL_DM_REMOTE_NAME_COMPLETE:
        case CL_DM_CLASS_OF_DEVICE_CFM:
        case CL_DM_LOCAL_BD_ADDR_CFM:
        case CL_DM_LINK_QUALITY_CFM:
        case CL_DM_RSSI_CFM:
        case CL_DM_CLOCK_OFFSET_CFM:
        case CL_SM_SECURITY_LEVEL_CFM:
        case CL_SDP_UNREGISTER_CFM:
        case CL_SDP_OPEN_SEARCH_CFM:
        case CL_SDP_CLOSE_SEARCH_CFM:
        case CL_SDP_SERVICE_SEARCH_CFM:
        case CL_SDP_ATTRIBUTE_SEARCH_CFM:
        case CL_SDP_SERVICE_SEARCH_ATTRIBUTE_CFM:
        case CL_L2CAP_REGISTER_CFM:
        case CL_L2CAP_UNREGISTER_CFM:
        case CL_L2CAP_CONNECT_CFM:
        case CL_L2CAP_CONNECT_IND:
        case CL_L2CAP_DISCONNECT_IND:
        case CL_RFCOMM_REGISTER_CFM:
        case CL_RFCOMM_CONNECT_CFM:
        case CL_RFCOMM_CONNECT_IND:
        case CL_RFCOMM_DISCONNECT_IND:
        case CL_RFCOMM_CONTROL_IND:
        case CL_DM_LINK_POLICY_IND:
    
    
            MAIN_DEBUG(("Headset - Unhandled CL msg[%x]\n", id));
            break;
            
        default :
                MAIN_DEBUG(("HS : CL ? [%x]\n", id)) ;
                break ;
    }
   
}

/*************************************************************************
NAME    
    handleUEMessage
    
DESCRIPTION
    handles messages from the User Events

RETURNS
    
*/
static void handleUEMessage  ( Task task, MessageId id, Message message )
{
    /* Event state control is done by the config - we will be in the right state for the message
    therefore messages need only be passed to the relative handlers unless configurable */
    headsetState lState = stateManagerGetState() ;
         
        /*if we do not want the event received to be indicated then set this to FALSE*/
    bool lIndicateEvent = TRUE ;

    /* Deal with user generated Event specific actions*/
    switch ( id )
    {   
            /*these are the events that are not user generated and can occur at any time*/
        case EventOkBattery:
        case EventChargerDisconnected:
        case EventLEDEventComplete:
        case EventTrickleCharge:
        case EventLowBattery:
        case EventPowerOff:
        case EventLinkLoss:
        case EventSLCConnected:
        case EventError:
        case EventChargeError:
        case EventChargeErrorInIdleState:
        case EventCancelLedIndication:
        case EventAutoSwitchOff:
            /*do nothing for these events*/
        break ;
        default:
                    /* If we have had an event then reset the timer - if it was the event then we will switch off anyway*/
            if (theHeadset.AutoSwitchOffTimeSecs !=0)
            {
                /*MAIN_DEBUG(("HS: AUTOSent Ev[%x] Time[%d]\n",id , theHeadset.AutoSwitchOffTimeSecs )) ;*/
                MessageCancelAll( task , EventAutoSwitchOff ) ;
                MessageSendLater( task , EventAutoSwitchOff , 0 , D_SEC(theHeadset.AutoSwitchOffTimeSecs) ) ;                
            }
                /*handles the LED event timeouts - restarts state indications if we have had a user generated event only*/
            if (theHeadset.theLEDTask.gLEDSStateTimeout)
            {   
                MAIN_DEBUG(("HS: Restart St Inds[%d]\n", stateManagerGetState() )) ;                    
                LEDManagerIndicateState (&theHeadset.theLEDTask , stateManagerGetState() ) ;     
                theHeadset.theLEDTask.gLEDSStateTimeout = FALSE ;
            }
            else
            {
                    /*reset the current number of repeats complete - i.e restart the timer so that the leds will disable after
                    the correct time*/
                LEDManagerResetStateIndNumRepeatsComplete  ( &theHeadset.theLEDTask ) ;
            }
   
        break;
    }
     
    MAIN_DEBUG (( "HS : UE[%x]\n", id )); 
            
    /* The configurable Events*/
    switch ( id )
    {   
        case (EventPowerOn):
            MAIN_DEBUG(("HS: Power On\n" )) 
               
            /*we have received the power on event- we have fully powered on*/
            stateManagerPowerOn( &theHeadset ) ;
            
            LedManagerEnableLEDS ( &theHeadset.theLEDTask ) ;
    
            if ( theHeadset.features.DisablePowerOffAfterPowerOn )
            {
                theHeadset.PowerOffIsEnabled = FALSE ;
                MessageSendLater ( &theHeadset.task , EventEnablePowerOff , 0 , D_SEC ( theHeadset.DisablePowerOffAfterPowerOnTimeSecs ) ) ;
            }
            else
            {
                theHeadset.PowerOffIsEnabled = TRUE ;
            }

            break ;
            
        case (EventPowerOff):    
            MAIN_DEBUG(("HS: PowerOff - En[%c]\n" , ((theHeadset.PowerOffIsEnabled) ? 'T':'F') )) ;
            
            if ( theHeadset.PowerOffIsEnabled )
            {
                stateManagerEnterPoweringOffState ( &theHeadset ) ;
                    

                if (theHeadset.theSoundTask.gMuted == VOL_MUTED)
                {
                    soundManagerMuteOff ( &theHeadset ) ;
                }
                
                headsetClearQueueudEvent ( &theHeadset ) ;
            }
            else
            {
                lIndicateEvent = FALSE ;
            }
            MessageCancelAll ( &theHeadset.task , EventPairingFail) ;
            
            break ;

        case (EventInitateVoiceDial):
            MAIN_DEBUG(("HS: InitVoiceDial [%c] [%d]\n", (theHeadset.supp_features_local & HFP_VOICE_RECOGNITION ) ? 'T':'F' , theHeadset.VoiceRecognitionIsActive )) ;
            
                /*Toggle the voice dial behaviour depending on whether we are currently active*/
            if (theHeadset.VoiceRecognitionIsActive)
            {
                headsetCancelVoiceDial ( &theHeadset ) ;
                lIndicateEvent = FALSE ;
            }
            else
            {                
                headsetInitiateVoiceDial ( &theHeadset) ;
            }
            
            break ;
   
        case (EventLastNumberRedial):
            MAIN_DEBUG(("HS: LNR\n" )) ;
            
            headsetInitiateLNR ( &theHeadset ) ;
           
            break ;
   
        case (EventAnswer):
            MAIN_DEBUG(("HS: Answer\n" )) ;
            /* Call the HFP lib function, this will determine the AT cmd to send
               depending on whether the profile instance is HSP or HFP compliant. */ 
            headsetAnswerCall(&theHeadset);
            break ;
   
        case (EventReject):
            MAIN_DEBUG(("HS: Reject\n" )) ;
            /* Reject incoming call - only valid for instances of HFP */ 
            headsetRejectCall(&theHeadset);
            break ;
   
        case (EventCancelEnd):
            MAIN_DEBUG(("HS: CancelEnd\n" )) ;
            /* Terminate the current ongoing call process */
            headsetHangUpCall(&theHeadset);
            break ;
   
        case (EventTransferToggle):
            MAIN_DEBUG(("HS: Transfer\n" )) ;
            headsetTransferToggle(&theHeadset);
            break ;
   
        case (EventToggleMute):
            soundManagerToggleMute( &theHeadset ) ;
            break ;
        case (EventDoCompleteUnMuteMic):
                soundManagerCompleteUnmute ( &theHeadset ) ;
            break;
        case EventMuteOn :
                soundManagerMuteOn (&theHeadset) ;
            break ;
        case EventMuteOff:
                soundManagerMuteOff ( &theHeadset ) ;
            break ;
   
        case (EventVolumeUp):
            soundManagerVolumeUp( &theHeadset ) ;
            break ;
   
        case (EventVolumeDown):
            soundManagerVolumeDown( &theHeadset ) ;          
            break ;                        
   
        case (EventEnterPairing):
            MAIN_DEBUG(("HS: EnterPair [%d]\n" , stateManagerGetState() )) ;
            /*go into pairing mode*/ 
            if (stateManagerGetState () != headsetPoweringOn)
            {