piohshf_receive.c

蓝牙HANDFREE软件源代码

#include "piohshf_private.h"
#include "handsfree.h"
#include "handsfree_types.h"

#include <audio.h>
#include <message.h>
#include <print.h>


/*
    handleOpenCfm

    Libs have been initialized. The status field tells us whether the device 
    is currently paired or not.
*/
void handleOpenCfm(uint16 status)
{
    /* if not paired then go into pairing mode with role set to both profiles */
    if (!status)
        pioHsHfPairButton();
    
    /* Reset the button press pending flag */
    hshfState.hshfButtonPressPending = 0;
}


/*
    handleConnectComplete

    Indication that a service level connection has been established
*/
void handleConnectComplete(void)
{
    if (HFstate.applicationRole == frameworkHandsFree)
    {
        /*
            The button press pending flag was set if the call active 
            button was pressed i.e. if the HF initiated the SLC 
            connection. If not set the the AG initiated it so do nothing.
        */
        if (hshfState.hshfButtonPressPending)
        {
            /* Reset the button press pending flag */
            hshfState.hshfButtonPressPending = 0;

            /* 
                If there is an active call perform an audio connection 
                transfer otherwise enable voce dialling 

                Need to ensure that just slc is connected. Workaround, 
                in case AG opens SCO before SLC is established 
                (out of HFP spec but it happens) - see also connect.c.
            */
            if (HFstate.connectState == connected)
            {
                if (HFstate.hfCallActive) 
                    callTransferReqAction(0x80);
                else
                    startVoiceDialAction(1);
            }
        }
    }
    else
    {
        /* If there is a button press pending then send it. */
        if (hshfState.hshfButtonPressPending)
        {
            /* Send a button press message to the framework */
            pioHshfSendButtonPress();                        
        }
    }
   
    /* Request AG to send us the caller id */
    hfCallerIdEnableAction(1);
}


/*
    handleCallerIdInd

    If the HF supports displaying caller id then this function is 
    called when the caller id is received. From here the info can
    be displayed on an LCD for example but for now just hook in a 
    print for debugging.
*/
void handleCallerIdInd(uint16 length, const uint8 *caller_id)
{
    /* Keeo the compiler happy when debug is disabled */
    length = length;
    caller_id = caller_id;

    /* 
        Just debug, a this point the caller id should be displayed 
        on an LCD if using one 
    */
    {
        uint16 i=0;
        PRINT(("Caller id: "));
        for (i=0; i<length; i++)
        {
            PRINT(("%c", caller_id[i]));
        }
        PRINT(("\n"));
    }
}


/*
    handlePairCfm

    Check the outcome of the pairing phase.
*/
void handlePairCfm(pairing_status_t status)
{
    /* Reset this flag in case it was set when selecting HS pair mode */
    hshfState.hshfButtonPressPending = 0;

    /* Check the pairing outcome */
    switch (status)
    {

    case HfPairingComplete:
        break;

    case HfPairingCancelled:
        /* If currently idle go into connectable mode */
        if (HFstate.connectState == idle)
            connectReqAction();
        break;

    case HfPairingFailed:
    case HfPairingError:
    case HfPairingTimedOut:   
    default:
        /* Become connectable */
        connectReqAction();
        break;
    }
}


/*
    handleIndicatorUpdate

    One or more of the indicators used has changed
*/
void handleIndicatorUpdate(uint16 service_ind, uint16 call_ind, uint16 call_setup_ind)
{
    /* keep the compiler happy */
    service_ind = service_ind;
    call_ind = call_ind;
    call_setup_ind = call_setup_ind;
}


/*
    handleErrorInd

    Error received, play a beep to indicate this
*/
void handleErrorInd(error_code_t this_error)
{
    /* Check if we've got a warning or an error */
    switch(this_error)
    {
    case HfErrorPairRequestWhenNotIdle:
    case HfErrorConnectRequestWhenNotIdle:
    case HfErrorCancelWhenIdle:
    case HfErrorDataRequestWhenNotConnected:
    case HfErrorInquiryRequestWhenNotIdle:
    case HfErrorScoRequestWhenSCOConnected:
    case HfErrorDisconnectRequestWhenNotConnected:
    case HfErrorSmDeviceDatabaseError:
    case HfErrorUnknownOrUnhandledState:
    case HfErrorDialRequestPendingAlready:
    case HfWarnLocalSniffNotEnabled:
    case HfWarnLocalParkNotEnabled:
    case HfWarnLocalLowPwrModeNotEnabled:
    case HfWarnRemDevDoesNotSupportSniffMode:
    case HfWarnRemDevDoesNotSupportParkMode:
    case HfWarnRemoteLowPwrModeNotEnabled:
    default:
        /* do nothing */
        break;
    }    
}


void handleRingInd(uint16 ring_state)
{
    /* keep the compiler happy */
    ring_state = ring_state;
}


void handleVolInd(uint8 gain)
{
    /* keep the compiler happy */
    gain = gain;
}


void handleVoiceDialStatusInd(uint16 status)
{
    /* keep the compiler happy */
    status = status;
}