spp_dev_inquire.c

篮牙spp profile软件

/****************************************************************************
Copyright (C) Cambridge Silicon Radio Ltd. 2004-2006
Part of BlueLab 3.4.2-release

FILE NAME
    spp_dev_inquire.h
    
DESCRIPTION
    Handles inquiry procedures of spp dev A application
    
*/

/****************************************************************************
    Header files
*/
#include "spp_dev_inquire.h"
#include "spp_dev_store.h"
#include "spp_dev_connect.h"

#include <connection.h>
#include <stdio.h>
#include <bdaddr.h>


#define CLASS_OF_DEVICE		0x1F00


/****************************************************************************
NAME    
    sppDevInquire
    
DESCRIPTION
    Start Spp inquiry process

RETURNS
    void
*/
void sppDevInquire(sppTaskData* app)
{
    /* Turn off security */
    ConnectionSmRegisterIncomingService(0x0000, 0x0001, 0x0000);
    /* Write class of device */
    ConnectionWriteClassOfDevice(CLASS_OF_DEVICE);
    /* Inquire to look for devB devices in inquiry scan mode */
    setSppState(sppDevInquiring);
    ConnectionInquire(getAppTask(), 0x9E8B33, 0x9, 0x30, CLASS_OF_DEVICE);        
}

/****************************************************************************
NAME    
    sppDevInquiryComplete
    
DESCRIPTION
    Spp Inquiry complete handler

RETURNS
    void
*/
void sppDevInquiryComplete(sppTaskData* app)
{
    if (BdaddrIsZero(&app->bd_addr))
    {
        /* No remote device found, so must decide what to do now */
        /* Restart Inquiry */
        sppDevInquire(app);
    }
    else
    {
        /* Remote device found, so will now be trying to connect */
    }
}

/****************************************************************************
NAME    
    sppDevInquiryResult
    
DESCRIPTION
    Spp Inquiry result handler

RETURNS
    void
*/
void sppDevInquiryResult(sppTaskData* app, const CL_DM_INQUIRE_RESULT_T* res)
{
    /*  make sure device class returned is correct, 
        and that we currently aren't trying to connect to another device  */
    if ((res->dev_class & CLASS_OF_DEVICE) && (BdaddrIsZero(&app->bd_addr)))
    {
        app->bd_addr = res->bd_addr;
    
        /* Cancel the inquiry */
        ConnectionInquireCancel(getAppTask());
        /* Now try and connect to this device */
        sppDevConnect(app);
    }
}