ConfigureSimpleLinkToDefaultState

static long ConfigureSimpleLinkToDefaultState()
{
    SlVersionFull   ver = {0};
    _WlanRxFilterOperationCommandBuff_t  RxFilterIdMask = {0};

    unsigned char ucVal = 1;
    unsigned char ucConfigOpt = 0;
    unsigned char ucConfigLen = 0;
    unsigned char ucPower = 0;

    long lRetVal = -1;
    long lMode = -1;

    lMode = sl_Start(0, 0, 0);
    ASSERT_ON_ERROR(lMode);

    if(mode==1){//broadcaster

        // If the device is not in station-mode, try configuring it in station-mode
        if (ROLE_AP != lMode)
        {
            if (ROLE_STA == lMode)
            {
                // If the device is in STA mode, we need to wait for this event
                // before doing anything
                while(!IS_IP_ACQUIRED(g_ulStatus))
                {
    #ifndef SL_PLATFORM_MULTI_THREADED
                  _SlNonOsMainLoopTask();
    #endif
                }
            }

            // Switch to AP role and restart
            lRetVal = sl_WlanSetMode(ROLE_AP);
            ASSERT_ON_ERROR(lRetVal);

            lRetVal = sl_Stop(0xFF);
            ASSERT_ON_ERROR(lRetVal);

            lRetVal = sl_Start(0, 0, 0);
            ASSERT_ON_ERROR(lRetVal);

            // Check if the device is in station again
            if (ROLE_AP != lRetVal)
            {
                // We don't want to proceed if the device is not coming up in AP-mode
                //return DEVICE_NOT_IN_STATION_MODE;
                return DEVICE_NOT_IN_AP_MODE;
            }
        }

    }else if(mode==2){// receiver
        // If the device is not in station-mode, try configuring it in station-mode
        if (ROLE_STA != lMode)
        {
            if (ROLE_AP == lMode)
            {
                // If the device is in AP mode, we need to wait for this event
                // before doing anything
                while(!IS_IP_ACQUIRED(g_ulStatus))
                {
    #ifndef SL_PLATFORM_MULTI_THREADED
                  _SlNonOsMainLoopTask();
    #endif
                }
            }

            // Switch to STA role and restart
            lRetVal = sl_WlanSetMode(ROLE_STA);
            ASSERT_ON_ERROR(lRetVal);

            lRetVal = sl_Stop(0xFF);
            ASSERT_ON_ERROR(lRetVal);

            lRetVal = sl_Start(0, 0, 0);
            ASSERT_ON_ERROR(lRetVal);

            // Check if the device is in station again
            if (ROLE_STA != lRetVal)
            {
                // We don't want to proceed if the device is not coming up in STA-mode
                return DEVICE_NOT_IN_STATION_MODE;
            }
        }
    }

    // Get the device's version-information
    ucConfigOpt = SL_DEVICE_GENERAL_VERSION;
    ucConfigLen = sizeof(ver);
    lRetVal = sl_DevGet(SL_DEVICE_GENERAL_CONFIGURATION, &ucConfigOpt,&ucConfigLen, (unsigned char *)(&ver));
    ASSERT_ON_ERROR(lRetVal);

    UART_PRINT("Host Driver Version: %s\n\r",SL_DRIVER_VERSION);
    UART_PRINT("Build Version %d.%d.%d.%d.31.%d.%d.%d.%d.%d.%d.%d.%d\n\r",
    ver.NwpVersion[0],ver.NwpVersion[1],ver.NwpVersion[2],ver.NwpVersion[3],
    ver.ChipFwAndPhyVersion.FwVersion[0],ver.ChipFwAndPhyVersion.FwVersion[1],
    ver.ChipFwAndPhyVersion.FwVersion[2],ver.ChipFwAndPhyVersion.FwVersion[3],
    ver.ChipFwAndPhyVersion.PhyVersion[0],ver.ChipFwAndPhyVersion.PhyVersion[1],
    ver.ChipFwAndPhyVersion.PhyVersion[2],ver.ChipFwAndPhyVersion.PhyVersion[3]);

    // Set connection policy to Auto + SmartConfig
    //      (Device's default connection policy)
    lRetVal = sl_WlanPolicySet(SL_POLICY_CONNECTION,SL_CONNECTION_POLICY(1, 0, 0, 0, 1), NULL, 0);
    ASSERT_ON_ERROR(lRetVal);

    // Remove all profiles
    lRetVal = sl_WlanProfileDel(0xFF);
    ASSERT_ON_ERROR(lRetVal);



    //
    // Device in station-mode. Disconnect previous connection if any
    // The function returns 0 if 'Disconnected done', negative number if already
    // disconnected Wait for 'disconnection' event if 0 is returned, Ignore
    // other return-codes
    //
    if(mode==2){
        lRetVal = sl_WlanDisconnect();
        if(0 == lRetVal)
        {
            // Wait
            while(IS_CONNECTED(g_ulStatus))
            {
    #ifndef SL_PLATFORM_MULTI_THREADED
                  _SlNonOsMainLoopTask();
    #endif
            }
        }
    }

    // Enable DHCP client
    lRetVal = sl_NetCfgSet(SL_IPV4_STA_P2P_CL_DHCP_ENABLE,1,1,&ucVal);
    ASSERT_ON_ERROR(lRetVal);

    // Disable scan
    ucConfigOpt = SL_SCAN_POLICY(0);
    lRetVal = sl_WlanPolicySet(SL_POLICY_SCAN , ucConfigOpt, NULL, 0);
    ASSERT_ON_ERROR(lRetVal);

    // Set Tx power level for station mode
    // Number between 0-15, as dB offset from max power - 0 will set max power
    ucPower = 0;
    lRetVal = sl_WlanSet(SL_WLAN_CFG_GENERAL_PARAM_ID,
            WLAN_GENERAL_PARAM_OPT_STA_TX_POWER, 1, (unsigned char *)&ucPower);
    ASSERT_ON_ERROR(lRetVal);

    // Set PM policy to normal
    lRetVal = sl_WlanPolicySet(SL_POLICY_PM , SL_NORMAL_POLICY, NULL, 0);
    ASSERT_ON_ERROR(lRetVal);

    // Unregister mDNS services
    lRetVal = sl_NetAppMDNSUnRegisterService(0, 0);
    ASSERT_ON_ERROR(lRetVal);

    // Remove  all 64 filters (8*8)
    memset(RxFilterIdMask.FilterIdMask, 0xFF, 8);
    lRetVal = sl_WlanRxFilterSet(SL_REMOVE_RX_FILTER, (_u8 *)&RxFilterIdMask,
                       sizeof(_WlanRxFilterOperationCommandBuff_t));
    ASSERT_ON_ERROR(lRetVal);

    lRetVal = sl_Stop(SL_STOP_TIMEOUT);
    ASSERT_ON_ERROR(lRetVal);

    InitializeAppVariables();

    return lRetVal; // Success
}