ble-light/components/ethermind/mesh/export/sample/appl_sample_example_11.c

/**
 *  \file appl_sample_example_11.c
 *
 *  Source File for Generic OnOff Server Standalone application without CLI or
 *  menu based console input interface over GATT Bearer and Function as Proxy
 *  Device or a normal node with LPN capability based on the proxy configuration setting
 *  once Provisioning is Complete.
 */

/*
 *  Copyright (C) 2018. Mindtree Ltd.
 *  All rights reserved.
 */

#if (MESH_STANDALONE == 12)

/* ----------------------------------------- Header File Inclusion */
#include "MS_common.h"
#include "MS_access_api.h"
#include "MS_config_api.h"
#include "MS_health_server_api.h"
#include "MS_generic_onoff_api.h"
#include "MS_net_api.h"
#include "blebrr.h"
#include "nvsto.h"
#include "model_state_handler_pl.h"

/* Console Input/Output */
#define CONSOLE_OUT(...)    printf(__VA_ARGS__)
#define CONSOLE_IN(...)     scanf(__VA_ARGS__)

void appl_dump_bytes(UCHAR *buffer, UINT16 length);
void appl_mesh_sample (void);

#define UI_FRND_CRITERIA                0x4B
#define UI_FRND_RECEIVE_DELAY_MS        100
#define UI_FRND_POLLTIMEOUT_100MS       100
#define UI_FRND_SETUPTIMEOUT            10000

/* ----------------------------------------- External Global Variables */


/* ----------------------------------------- Exported Global Variables */
API_RESULT UI_generic_onoff_model_state_get(UINT16 state_t, UINT16 state_inst, void * param, UINT8 direction);
API_RESULT UI_generic_onoff_model_state_set(UINT16 state_t, UINT16 state_inst, void * param, UINT8 direction);
void UI_generic_onoff_model_states_initialization(void);
API_RESULT UI_generic_onoff_server_cb
           (
               /* IN */ MS_ACCESS_MODEL_REQ_MSG_CONTEXT    * ctx,
               /* IN */ MS_ACCESS_MODEL_REQ_MSG_RAW        * msg_raw,
               /* IN */ MS_ACCESS_MODEL_REQ_MSG_T          * req_type,
               /* IN */ MS_ACCESS_MODEL_STATE_PARAMS       * state_params,
               /* IN */ MS_ACCESS_MODEL_EXT_PARAMS         * ext_params
           );
void UI_model_states_initialization(void);
void UI_prov_bind(UCHAR brr, UCHAR index);
API_RESULT UI_prov_callback
           (
               PROV_HANDLE * phandle,
               UCHAR         event_type,
               API_RESULT    event_result,
               void        * event_data,
               UINT16        event_datalen
           );
void UI_proxy_callback
     (
         NETIF_HANDLE       * handle,
         UCHAR                p_evt,
         UCHAR              * data_param,
         UINT16               data_len
     );
void UI_proxy_start_adv(MS_SUBNET_HANDLE subnet_handle, UCHAR proxy_adv_mode);
API_RESULT UI_register_foundation_model_servers
           (
               MS_ACCESS_ELEMENT_HANDLE element_handle
           );
API_RESULT UI_register_generic_onoff_model_server
           (
               MS_ACCESS_ELEMENT_HANDLE element_handle
           );
void UI_register_prov(void);
void UI_register_proxy(void);
void UI_sample_reinit(void);
void UI_gatt_iface_event_pl_cb
     (
         UCHAR  ev_name,
         UCHAR  ev_param
     );
API_RESULT UI_sample_check_app_key(void);
API_RESULT UI_set_brr_scan_rsp_data (void);
void UI_setup_prov(UCHAR role, UCHAR brr);

/* ----------------------------------------- Static Global Variables */


/* ----------------------------------------- Functions */

/* Model Server - Foundation Models */

/* Health Server - Test Routines */
static void UI_health_self_test_00(UINT8 test_id, UINT16 company_id)
{
}

static void UI_health_self_test_01(UINT8 test_id, UINT16 company_id)
{
}

static void UI_health_self_test_FF(UINT8 test_id, UINT16 company_id)
{
}

/* List of Self Tests */
static MS_HEALTH_SERVER_SELF_TEST UI_health_server_self_tests[] =
{
        {
            0x00, /* Test ID: 0x00 */
            UI_health_self_test_00
        },
        {
            0x01, /* Test ID: 0x01 */
            UI_health_self_test_01
        },
        {
            0xFF, /* Test ID: 0xFF */
            UI_health_self_test_FF
        }
};

/**
 * \brief Health Server application Asynchronous Notification Callback.
 *
 * \par Description
 * Health Server calls the registered callback to indicate events occurred to the
 * application.
 *
 * \param handle        Model Handle.
 * \param event_type    Health Server Event type.
 * \param event_param   Parameter associated with the event if any or NULL.
 * \param param_len     Size of the event parameter data. 0 if event param is NULL.
 */
static API_RESULT UI_health_server_cb
                  (
                      MS_ACCESS_MODEL_HANDLE * handle,
                      UINT8                    event_type,
                      UINT8                  * event_param,
                      UINT16                   param_len
                  )
{
    CONSOLE_OUT(
    "Health Server Callback. Not handled. Returning\n");

    return API_SUCCESS;
}

API_RESULT UI_register_foundation_model_servers
           (
               MS_ACCESS_ELEMENT_HANDLE element_handle
           )
{
    /* Configuration Server */
    MS_ACCESS_MODEL_HANDLE   UI_config_server_model_handle;
    MS_ACCESS_MODEL_HANDLE   UI_health_server_model_handle;
    API_RESULT retval;

    /* Health Server */
    UINT16                       company_id;
    MS_HEALTH_SERVER_SELF_TEST * self_tests;
    UINT32                       num_self_tests;

    CONSOLE_OUT("In Model Server - Foundation Models\n");

    retval = MS_config_server_init(element_handle, &UI_config_server_model_handle);

    CONSOLE_OUT("Config Model Server Registration Status: 0x%04X\n", retval);

    /* Health Server */
    company_id = MS_DEFAULT_COMPANY_ID;
    self_tests = &UI_health_server_self_tests[0];
    num_self_tests = sizeof(UI_health_server_self_tests)/sizeof(MS_HEALTH_SERVER_SELF_TEST);

    retval = MS_health_server_init
             (
                 element_handle,
                 &UI_health_server_model_handle,
                 company_id,
                 self_tests,
                 num_self_tests,
                 UI_health_server_cb
             );

    if (API_SUCCESS == retval)
    {
        CONSOLE_OUT(
        "Health Server Initialized. Model Handle: 0x%04X\n",
        UI_health_server_model_handle);
    }
    else
    {
        CONSOLE_OUT(
        "[ERR] Sensor Server Initialization Failed. Result: 0x%04X\n",
        retval);
    }

    return retval;
}


/* ---- Generic OnOff States and Get/Set Handlers */
static MS_STATE_GENERIC_ONOFF_STRUCT UI_generic_onoff;

/* Generic OnOff Model state Initialization */
void UI_generic_onoff_model_states_initialization(void)
{
    EM_mem_set(&UI_generic_onoff, 0, sizeof(UI_generic_onoff));
}

/* Generic OnOff Model Get Handler */
API_RESULT UI_generic_onoff_model_state_get(UINT16 state_t, UINT16 state_inst, void * param, UINT8 direction)
{
    API_RESULT retval;

    retval = API_SUCCESS;

    switch(state_t)
    {
        case MS_STATE_GENERIC_ONOFF_T:
        {
            MS_STATE_GENERIC_ONOFF_STRUCT * param_p;

            param_p = (MS_STATE_GENERIC_ONOFF_STRUCT *)param;

            /* Ignoring Instance and direction right now */
            *param_p = UI_generic_onoff;
        }
        break;

        default:
        break;
    }

    return retval;
}

/* Generic OnOff Model Set Handler */
API_RESULT UI_generic_onoff_model_state_set(UINT16 state_t, UINT16 state_inst, void * param, UINT8 direction)
{
    API_RESULT retval;

    retval = API_SUCCESS;
    switch (state_t)
    {
        case MS_STATE_GENERIC_ONOFF_T:
        {
            MS_STATE_GENERIC_ONOFF_STRUCT * param_p;

            param_p = (MS_STATE_GENERIC_ONOFF_STRUCT *)param;

            /* Instantaneous Change */
            UI_generic_onoff.onoff = param_p->onoff;

            *param_p = UI_generic_onoff;
            CONSOLE_OUT("[state] current: 0x%02X\n", UI_generic_onoff.onoff);
            CONSOLE_OUT("[state] target: 0x%02X\n", UI_generic_onoff.target_onoff);
            CONSOLE_OUT("[state] remaining_time: 0x%02X\n", UI_generic_onoff.transition_time);

            /* Ignoring Instance and direction right now */

            /* LED ON/OFF for GENERIC ONOFF Abstraction Call */
            generic_onoff_set_pl (param_p->onoff);
        }
        break;

        default:
        break;
    }

    return retval;
}

/* Model state Initialization */
void UI_model_states_initialization(void)
{
    /* Generic OnOff States */
    UI_generic_onoff_model_states_initialization();
}

/* Generic OnOff Model Server */
/**
 * \brief Server Application Asynchronous Notification Callback.
 *
 * \par Description
 * Generic_Onoff server calls the registered callback to indicate events occurred to the application.
 *
 * \param [in] ctx           Context of message received for a specific model instance.
 * \param [in] msg_raw       Uninterpreted/raw received message.
 * \param [in] req_type      Requested message type.
 * \param [in] state_params  Model specific state parameters.
 * \param [in] ext_params    Additional parameters.
 */
API_RESULT UI_generic_onoff_server_cb
           (
               /* IN */ MS_ACCESS_MODEL_REQ_MSG_CONTEXT    * ctx,
               /* IN */ MS_ACCESS_MODEL_REQ_MSG_RAW        * msg_raw,
               /* IN */ MS_ACCESS_MODEL_REQ_MSG_T          * req_type,
               /* IN */ MS_ACCESS_MODEL_STATE_PARAMS       * state_params,
               /* IN */ MS_ACCESS_MODEL_EXT_PARAMS         * ext_params
           )
{
    MS_STATE_GENERIC_ONOFF_STRUCT    param;
    MS_ACCESS_MODEL_STATE_PARAMS     current_state_params;
    API_RESULT                       retval;

    retval = API_SUCCESS;

    /* Check message type */
    if (MS_ACCESS_MODEL_REQ_MSG_T_GET == req_type->type)
    {
        CONSOLE_OUT("[GENERIC_ONOFF] GET Request.\n");

        UI_generic_onoff_model_state_get(state_params->state_type, 0, &param, 0);

        current_state_params.state_type = state_params->state_type;
        current_state_params.state = &param;

        /* Using same as target state and remaining time as 0 */
    }
    else if (MS_ACCESS_MODEL_REQ_MSG_T_SET == req_type->type)
    {
        CONSOLE_OUT("[GENERIC_ONOFF] SET Request.\n");

        retval = UI_generic_onoff_model_state_set(state_params->state_type, 0, (MS_STATE_GENERIC_ONOFF_STRUCT *)state_params->state, 0);

        current_state_params.state_type = state_params->state_type;
        current_state_params.state = (MS_STATE_GENERIC_ONOFF_STRUCT *)state_params->state;
    }

    /* See if to be acknowledged */
    if (0x01 == req_type->to_be_acked)
    {
        CONSOLE_OUT("[GENERIC_ONOFF] Sending Response.\n");

        /* Parameters: Request Context, Current State, Target State (NULL: to be ignored), Remaining Time (0: to be ignored), Additional Parameters (NULL: to be ignored) */
        retval = MS_generic_onoff_server_state_update(ctx, &current_state_params, NULL, 0, NULL);
    }

    return retval;
}

API_RESULT UI_register_generic_onoff_model_server
           (
               MS_ACCESS_ELEMENT_HANDLE element_handle
           )
{
    /* Generic OnOff Server */
    MS_ACCESS_MODEL_HANDLE   UI_generic_onoff_server_model_handle;
    API_RESULT retval;

    CONSOLE_OUT("In Generic OnOff Model Server\n");

    retval = MS_generic_onoff_server_init
             (
                 element_handle,
                 &UI_generic_onoff_server_model_handle,
                 UI_generic_onoff_server_cb
             );

    if (API_SUCCESS == retval)
    {
        CONSOLE_OUT(
        "Generic Onoff Server Initialized. Model Handle: 0x%04X\n",
        UI_generic_onoff_server_model_handle);
    }
    else
    {
        CONSOLE_OUT(
        "[ERR] Generic Onoff Server Initialization Failed. Result: 0x%04X\n",
        retval);
    }

    return retval;
}

void UI_lpn_seek_friend(void);
void UI_frndsetup_cb(MS_SUBNET_HANDLE subnet, UCHAR event_type, UINT16 status)
{
    API_RESULT retval;
    UINT16 num_subaddr;
    UINT16 subaddr[5];

    CONSOLE_OUT("\nFriendship Event 0x%02X on Subnet 0x%04X - 0x%04X\n",
    event_type, subnet, status);

    switch (event_type)
    {
        case MS_TRN_FRIEND_SETUP_CNF:
            CONSOLE_OUT("Recvd MS_TRN_FRIEND_SETUP_CNF - 0x%04X\n", status);

            if (API_SUCCESS == status)
            {
                /* Get the subscription list */
                num_subaddr = sizeof(subaddr) / sizeof(UINT16);
                MS_access_cm_get_all_model_subscription_list(&num_subaddr, subaddr);

                if (0 < num_subaddr)
                {
                    CONSOLE_OUT("Initiating FriendSubscriptionListAdd - %d addr\n", num_subaddr);
                    retval = MS_trn_lpn_subscrn_list_add(subaddr, num_subaddr);
                    CONSOLE_OUT("Retval - 0x%04X\n", retval);
                }
            }
            else
            {
                CONSOLE_OUT("Friendship Setup Failure%04X\n", status);

                UI_lpn_seek_friend();
            }
            break;

        case MS_TRN_FRIEND_SUBSCRNLIST_CNF:
            CONSOLE_OUT("Recvd MS_TRN_FRIEND_SUBSCRNLIST_CNF - 0x%04X\n", status);
            break;

        case MS_TRN_FRIEND_CLEAR_CNF:
            CONSOLE_OUT("Recvd MS_TRN_FRIEND_CLEAR_CNF - 0x%04X\n", status);
            break;

        case MS_TRN_FRIEND_TERMINATE_IND:
		    CONSOLE_OUT("Recvd MS_TRN_FRIEND_TERMINATE_IND - 0x%04X\n", status);
			
            /* Enable Friend feature */
            MS_ENABLE_FRIEND_FEATURE();
			
			break;

        default:
            break;
    }
}

void UI_lpn_seek_friend (void)
{
    API_RESULT retval;

    /* Disable Friend feature */
    MS_DISABLE_FRIEND_FEATURE();

    /* Enable LPN feature */
    MS_ENABLE_LPN_FEATURE();

    CONSOLE_OUT ("Requesting for friendship...\n");
    retval = MS_trn_lpn_setup_friendship
             (
                 0x00,
                 UI_FRND_CRITERIA,
                 UI_FRND_RECEIVE_DELAY_MS,
                 UI_FRND_POLLTIMEOUT_100MS,
                 UI_FRND_SETUPTIMEOUT,
                 UI_frndsetup_cb
             );
    CONSOLE_OUT ("Retval - 0x%04X\n", retval);

    return;
}


/* Provisionee */
/** Public Key OOB Flag */
#define UI_PROV_PUBKEY_OOBINFO                0x00

/** Static OOB Flag */
#define UI_PROV_STATIC_OOBINFO                0x00

/** Output OOB Actions Supported */
#ifdef MESH_SAMPLE_HAVE_OUTPUT_OOB_DISPLAY
/** Currently Selecting the Output OOB Actions as Alphanumeric OOB Action */
#define UI_PROV_OUTPUT_OOB_ACTIONS PROV_MASK_OOOB_ACTION_ALPHANUMERIC

/** Output OOB Maximum size supported */
#define UI_PROV_OUTPUT_OOB_SIZE               0x04
#else /* MESH_SAMPLE_HAVE_OUTPUT_OOB_DISPLAY */
/** Currently Selecting the Output OOB Actions as Alphanumeric OOB Action */
#define UI_PROV_OUTPUT_OOB_ACTIONS            0x00

/** Output OOB Maximum size supported */
#define UI_PROV_OUTPUT_OOB_SIZE               0x00
#endif /* MESH_SAMPLE_HAVE_OUTPUT_OOB_DISPLAY */

/** Input OOB Actions supported */
#define UI_PROV_INPUT_OOB_ACTIONS             0x00

/** Input OOB Maximum size supported */
#define UI_PROV_INPUT_OOB_SIZE                0x00

/** Beacon setup timeout in seconds */
#define UI_PROV_SETUP_TIMEOUT_SECS            30

/** Attention timeout for device in seconds */
#define UI_PROV_DEVICE_ATTENTION_TIMEOUT      30

#define PROV_AUTHVAL_SIZE_PL                  16

/** Authentication values for OOB Display - To be made random */
#define UI_DISPLAY_AUTH_DIGIT                 3
#define UI_DISPLAY_AUTH_NUMERIC               35007
#define UI_DISPLAY_AUTH_STRING                "F00L"

/** Provisioning capabilities of local device */
DECL_STATIC PROV_CAPABILITIES_S UI_prov_capab =
{
    /** Number of Elements */
    0x01,

    /** Supported algorithms */
    PROV_MASK_ALGO_EC_FIPS_P256,

    /** Public key type */
    UI_PROV_PUBKEY_OOBINFO,

    /** Static OOB type */
    UI_PROV_STATIC_OOBINFO,

    /** Output OOB information */
    { UI_PROV_OUTPUT_OOB_ACTIONS, UI_PROV_OUTPUT_OOB_SIZE },

    /** Input OOB information */
    { UI_PROV_INPUT_OOB_ACTIONS, UI_PROV_INPUT_OOB_SIZE },
};

/** Unprovisioned device identifier */
PROV_DEVICE_S UI_lprov_device =
{
    /** UUID */
    {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF},

    /** OOB Flag */
    0x00,

    /**
     * Encoded URI Information
     * For example, to give a web address, "https://www.abc.com"
     * the URI encoded data would be -
     * 0x17 0x2F 0x2F 0x77 0x77 0x77 0x2E 0x61 0x62 0x63 0x2E 0x63 0x6F 0x6D
     * where 0x17 is the URI encoding for https:
     */
    NULL
};

/** Current role of application - Provisioner/Device */
DECL_STATIC UCHAR UI_prov_role;

/** Provisioning Handle */
DECL_STATIC PROV_HANDLE UI_prov_handle;

API_RESULT UI_prov_callback
           (
               PROV_HANDLE * phandle,
               UCHAR         event_type,
               API_RESULT    event_result,
               void        * event_data,
               UINT16        event_datalen
           )
{
    PROV_DATA_S * rdata;
    PROV_OOB_TYPE_S * oob_info;
    API_RESULT retval;

    UCHAR authstr[PROV_AUTHVAL_SIZE_PL << 1];
    UINT32 authnum;
    UCHAR authtype;
    UCHAR * pauth;
    UINT16 authsize;

    switch (event_type)
    {
        case PROV_EVT_PROVISIONING_SETUP:
            CONSOLE_OUT("Recvd PROV_EVT_PROVISIONING_SETUP\n");
            CONSOLE_OUT("Status - 0x%04X\n", event_result);

            /* Display the attention timeout */
            CONSOLE_OUT("Attention TImeout - %d\n", *((UCHAR *)event_data));
            break;

        case PROV_EVT_OOB_DISPLAY:
            CONSOLE_OUT("Recvd PROV_EVT_OOB_DISPLAY\n");
            CONSOLE_OUT("Status - 0x%04X\n", event_result);

            /* Reference the Authenticatio Type information */
            oob_info = (PROV_OOB_TYPE_S *)event_data;

            CONSOLE_OUT("Authenticaion Action - 0x%02X\n", oob_info->action);
            CONSOLE_OUT("Authenticaion Size - 0x%02X\n", oob_info->size);

            /* If role is Device, the action is of Output OOB, else Input OOB */
            if (PROV_ROLE_DEVICE == UI_prov_role)
            {
                if (PROV_OOOB_ACTION_ALPHANUMERIC == oob_info->action)
                {
                    authtype = 1;
                }
                else if (PROV_OOOB_ACTION_NUMERIC == oob_info->action)
                {
                    authtype = 2;
                }
                else
                {
                    authtype = 0;
                }
            }
            else
            {
                if (PROV_IOOB_ACTION_ALPHANUMERIC == oob_info->action)
                {
                    authtype = 1;
                }
                else if (PROV_IOOB_ACTION_NUMERIC == oob_info->action)
                {
                    authtype = 2;
                }
                else
                {
                    authtype = 0;
                }
            }

            if (1 == authtype)
            {
                EM_str_copy (authstr, UI_DISPLAY_AUTH_STRING);

                CONSOLE_OUT("\n\n>>> AuthVal - %s <<<\n\n", authstr);

                pauth = authstr;
                authsize = (UINT16)EM_str_len(authstr);
            }
            else if (2 == authtype)
            {
                authnum = (UINT32)UI_DISPLAY_AUTH_NUMERIC;

                CONSOLE_OUT("\n\n>>> AuthVal - %d <<<\n\n", authnum);

                pauth = (UCHAR *)&authnum;
                authsize = sizeof(UINT32);
            }
            else
            {
                authnum = (UINT32)UI_DISPLAY_AUTH_DIGIT;

                CONSOLE_OUT("\n\n>>> AuthVal - %d <<<\n\n", authnum);

                pauth = (UCHAR *)&authnum;
                authsize = sizeof(UINT32);
            }

            /* Call to input the oob */
            CONSOLE_OUT("Setting the Authval...\n");
            retval = MS_prov_set_authval(&UI_prov_handle, pauth, authsize);
            CONSOLE_OUT("Retval - 0x%04X\n", retval);
            break;

        case PROV_EVT_OOB_ENTRY:
            CONSOLE_OUT("Recvd PROV_EVT_OOB_ENTRY\n");
            CONSOLE_OUT("Status - 0x%04X\n", event_result);

            /* Reference the Authenticatio Type information */
            oob_info = (PROV_OOB_TYPE_S *)event_data;

            CONSOLE_OUT("Authenticaion Action - 0x%02X\n", oob_info->action);
            CONSOLE_OUT("Authenticaion Size - 0x%02X\n", oob_info->size);
            break;

        case PROV_EVT_DEVINPUT_COMPLETE:
            CONSOLE_OUT("Recvd PROV_EVT_DEVINPUT_COMPLETE\n");
            CONSOLE_OUT("Status - 0x%04X\n", event_result);
            break;

        case PROV_EVT_PROVDATA_INFO:
            CONSOLE_OUT("Recvd PROV_EVT_PROVDATA_INFO\n");
            CONSOLE_OUT("Status - 0x%04X\n", event_result);

            /* Reference the Provisioning Data */
            rdata = (PROV_DATA_S *)event_data;

            CONSOLE_OUT("NetKey  : "); appl_dump_bytes(rdata->netkey, PROV_KEY_NETKEY_SIZE);
            CONSOLE_OUT("Key ID  : 0x%04X\n", rdata->keyid);
            CONSOLE_OUT("Flags   : 0x%02X\n", rdata->flags);
            CONSOLE_OUT("IVIndex : 0x%08X\n", rdata->ivindex);
            CONSOLE_OUT("UAddr   : 0x%04X\n", rdata->uaddr);

            /* Provide Provisioning Data to Access Layer */
            MS_access_cm_set_prov_data
            (
                 rdata
            );

            break;

        case PROV_EVT_PROVISIONING_COMPLETE:
            CONSOLE_OUT("Recvd PROV_EVT_PROVISIONING_COMPLETE\n");
            CONSOLE_OUT("Status - 0x%04X\n", event_result);

            if (API_SUCCESS == event_result)
            {
                /* Already Set while handling PROV_EVT_PROVDATA_INFO */

                /* LED ON/OFF for Provisioning Indication Abstraction Call */
                mesh_model_device_provisioned_ind_pl();
            }
            break;

        default:
            CONSOLE_OUT("Unknown Event - 0x%02X\n", event_type);
    }

    return API_SUCCESS;
}

void UI_register_prov(void)
{
    API_RESULT retval;

    CONSOLE_OUT("Registering with Provisioning layer...\n");
    retval = MS_prov_register(&UI_prov_capab, UI_prov_callback);
    CONSOLE_OUT("Retval - 0x%04X\n", retval);
}

void UI_setup_prov(UCHAR role, UCHAR brr)
{
    API_RESULT retval;

    if (PROV_BRR_GATT == brr)
    {
        blebrr_gatt_mode_set(BLEBRR_GATT_PROV_MODE);
    }

    if (PROV_ROLE_PROVISIONER != role)
    {
        CONSOLE_OUT("Setting up Device for Provisioning ...\n");
        retval = MS_prov_setup
                 (
                     brr,
                     role,
                     &UI_lprov_device,
                     UI_PROV_SETUP_TIMEOUT_SECS
                 );

        UI_prov_role = PROV_ROLE_DEVICE;
    }
    else
    {
        CONSOLE_OUT("Setting up Provisioner for Provisioning ...\n");
        retval = MS_prov_setup
                 (
                     brr,
                     role,
                     NULL,
                     UI_PROV_SETUP_TIMEOUT_SECS
                 );

        UI_prov_role = PROV_ROLE_PROVISIONER;
    }

    CONSOLE_OUT("Retval - 0x%04X\n", retval);
}

void UI_prov_bind(UCHAR brr, UCHAR index)
{
    API_RESULT retval;

    /* Call to bind with the selected device */
    CONSOLE_OUT("Binding with the selected device...\n");
    retval = MS_prov_bind(brr, &UI_lprov_device, UI_PROV_DEVICE_ATTENTION_TIMEOUT, &UI_prov_handle);

    CONSOLE_OUT("Retval - 0x%04X\n", retval);
}

void UI_proxy_start_adv(MS_SUBNET_HANDLE subnet_handle, UCHAR proxy_adv_mode)
{
#ifdef MS_PROXY_SERVER
    API_RESULT retval;
    DECL_STATIC UINT8 first_time = 0;

    if (0 == first_time)
    {
        /**
         * Register with Proxy Module as Device is going to be a Proxy.
         * This is typically a one-time-event, and hence registering the
         * PROXY when Proxy ADV is being initiated!
         */
        UI_register_proxy();

        first_time = 1;
    }

    /* Set the role to Proxy with bearer */
    blebrr_gatt_mode_set(BLEBRR_GATT_PROXY_MODE);

    CONSOLE_OUT("Start Proxy Advertisements with %s for Subnet 0x%04X\n",
    (proxy_adv_mode == MS_PROXY_NET_ID_ADV_MODE) ? "Network ID" : "Node Identity",
    subnet_handle);

    retval = MS_proxy_server_adv_start
             (
                 subnet_handle,
                 proxy_adv_mode
             );

    CONSOLE_OUT("Retval - 0x%04X\n", retval);
#else /* MS_PROXY_SERVER */
    CONSOLE_OUT("\n [** ERR **] MS_PROXY_SERVER feature is DISABLED!\n");
    return;
#endif /* MS_PROXY_SERVER */
}

void UI_proxy_callback
     (
         NETIF_HANDLE       * handle,
         UCHAR                p_evt,
         UCHAR              * data_param,
         UINT16               data_len
     )
{
    UCHAR             role;

    MS_IGNORE_UNUSED_PARAM(data_len);

    switch(p_evt)
    {
        case MS_PROXY_UP_EVENT:
            CONSOLE_OUT(
            "\n\n[PROXY APPL]: MS_PROXY_UP_EVENT Received for NETIF Handle 0x%02X\n\n", *handle);

            if (NULL != data_param)
            {
                /* Catch the current role into a local */
                role = data_param[0];

                if (BRR_SERVER_ROLE == role)
                {
                    /* Send Secure Network Beacons */
                    /* MS_net_broadcast_secure_beacon(0x0000); */
                }
            }
            break;

        case MS_PROXY_DOWN_EVENT:
            CONSOLE_OUT(
            "\n\n[PROXY APPL]: MS_PROXY_DOWN_EVENT Received for NETIF Handle 0x%02X\n\n", *handle);
            break;

        default:
            CONSOLE_OUT(
            "\n\n[PROXY APPL ERR]: Unknown Event Received for NETIF Handle 0x%02X!!\n\n", *handle);
            break;
    }
}

void UI_register_proxy(void)
{
    API_RESULT retval;

    CONSOLE_OUT("Registering with Proxy layer...\n");
    retval =  MS_proxy_register(UI_proxy_callback);
    CONSOLE_OUT("Retval - 0x%04X\n", retval);
}

API_RESULT UI_set_brr_scan_rsp_data (void)
{
    /**
     * Currently setting MT-MESH-SAMPLE-10a as Complete Device Name!
     * This can be updated to each individual devices as per requirement.
     */
    UCHAR UI_brr_scanrsp_data[] =
          {
          /**
           *  Shortened Device Name: MT-MESH-SAMPLE-11
           */
           0x12, 0x09, 'M', 'T', '-', 'M', 'E', 'S', 'H', '-', 'S', 'A', 'M', 'P', 'L', 'E', '-', '1', '1'
          };
    CONSOLE_OUT("\n Setting MT-MESH-SAMPLE-11 as Complete Device Name!\n");

    /* Set the Scan Response Data at the Bearer Layer */
    blebrr_set_adv_scanrsp_data_pl
    (
        UI_brr_scanrsp_data,
        sizeof(UI_brr_scanrsp_data)
    );

    return API_SUCCESS;
}

EM_timer_handle thandle;
void timeout_cb (void * args, UINT16 size)
{
    thandle = EM_TIMER_HANDLE_INIT_VAL;
    UI_sample_reinit();
}

void UI_gatt_iface_event_pl_cb
     (
         UCHAR  ev_name,
         UCHAR  ev_param
     )
{
    switch(ev_name)
    {
        /* GATT Bearer BLE Link Layer Disconnected */
        case BLEBRR_GATT_IFACE_DOWN:
            CONSOLE_OUT("\r\n >> GATT Bearer BLE Link Layer Disconnection Event Received!\r\n");
            //UI_sample_reinit();
            EM_start_timer (&thandle, 3, timeout_cb, NULL, 0);
            break;

        /* GATT Bearer BLE Link Layer Connected */
        case BLEBRR_GATT_IFACE_UP:
            CONSOLE_OUT("\r\n >> GATT Bearer BLE Link Layer Connection Event Received!\r\n");
            /* Do Nothing! */
            if (BLEBRR_GATT_PROV_MODE == blebrr_gatt_mode_get())
            {
                MS_brr_bcast_end(BRR_BCON_TYPE_UNPROV_DEVICE, BRR_BCON_ACTIVE);
            }
            else if (BLEBRR_GATT_PROXY_MODE == blebrr_gatt_mode_get())
            {
                MS_proxy_server_adv_stop();
            }
            break;

        case BLEBRR_GATT_IFACE_ENABLE:
            CONSOLE_OUT("\r\n >> GATT Bearer Active Event Received!\r\n");
            {
                if (BLEBRR_GATT_PROV_MODE == ev_param)
                {
                    /* Call to bind with the selected device */
                    UI_prov_bind(PROV_BRR_GATT, 0);
                }
            }
            break;

        case BLEBRR_GATT_IFACE_DISABLE:
            CONSOLE_OUT("\r\n >> GATT Bearer Inactive Event Received!\r\n");
            break;

        /* Unknown Event! */
        default:
            CONSOLE_OUT("\r\n >> GATT Bearer BLE Link Layer Unknown Event 0x%02X Received!\r\n", ev_name);
            /* Do Nothing! */
            break;
    }
}

void appl_mesh_sample (void)
{
    MS_ACCESS_NODE_ID node_id;
    MS_ACCESS_ELEMENT_DESC   element;
    MS_ACCESS_ELEMENT_HANDLE element_handle;
    API_RESULT retval;

    MS_CONFIG * config_ptr;

#ifdef MS_HAVE_DYNAMIC_CONFIG
    MS_CONFIG  config;

    /* Initialize dynamic configuration */
    MS_INIT_CONFIG(config);

    config_ptr = &config;
#else
    config_ptr = NULL;
#endif /* MS_HAVE_DYNAMIC_CONFIG */

    /* Initialize OSAL */
    EM_os_init();

    /* Initialize Debug Module */
    EM_debug_init();

    /* Initialize Timer Module */
    EM_timer_init();
    timer_em_init();

    /* Initialize utilities */
    nvsto_init();

    /* Initialize Mesh Stack */
    MS_init(config_ptr);

    /* Register with underlying BLE stack */
    blebrr_register();

    /* Register GATT Bearer Connection/Disconnection Event Hook */
    blebrr_register_gatt_iface_event_pl(UI_gatt_iface_event_pl_cb);

    /* Enable LED Port */
    /* Platform Abstraction Initializations of GPIOs/LEDs etc. */
    mesh_model_platform_init_pl();

    /* LED ON */
    /* LED ON/OFF for BOOT UP Indication Abstraction Call */
    mesh_model_device_bootup_ind_pl();

    /* Create Node */
    retval = MS_access_create_node(&node_id);

    /* Register Element */
    /**
     * TBD: Define GATT Namespace Descriptions from
     * https://www.bluetooth.com/specifications/assigned-numbers/gatt-namespace-descriptors
     *
     * Using 'main' (0x0106) as Location temporarily.
     */
    element.loc = 0x0106;

    retval = MS_access_register_element
             (
                 node_id,
                 &element,
                 &element_handle
             );

    if (API_SUCCESS == retval)
    {
        /* Register foundation model servers */
        retval = UI_register_foundation_model_servers(element_handle);
    }

    if (API_SUCCESS == retval)
    {
        /* Register Generic OnOff model server */
        retval = UI_register_generic_onoff_model_server(element_handle);
    }

    if (API_SUCCESS == retval)
    {
        /* Initialize model states */
        UI_model_states_initialization();
    }

    /* Configure as provisionee/device */
    UI_register_prov();

    /**
     * Set Scan Response Data Before Starting Provisioning.
     * This is optional/additional set of Data that the device can
     * set to enhance the User Experience.
     * For Example, set a specific device name or URL as part of the
     * Scan Response Data when awaiting connections over GATT bearer.
     */
    UI_set_brr_scan_rsp_data();

    /* Enable Friend feature */
    MS_ENABLE_FRIEND_FEATURE();

    //UI_sample_reinit();
    EM_start_timer (&thandle, 5, timeout_cb, NULL, 0);

    return;
}

API_RESULT UI_sample_check_app_key(void)
{
    MS_APPKEY_HANDLE  handle;
    UINT8             * key;
    UINT8             aid;

    DECL_CONST UINT8  t_key[16] = {0};

    API_RESULT retval;

    CONSOLE_OUT("Fetching App Key for Handle 0x0000\n");

    handle = 0x0000;
    retval = MS_access_cm_get_app_key
             (
                 handle,
                 &key,
                 &aid
             );

    /* Check Retval. Print App Key */
    if (API_SUCCESS == retval)
    {
        CONSOLE_OUT("App Key[0x%02X]: %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X\r\n",
        handle, key[0], key[1], key[2], key[3], key[4], key[5], key[6], key[7],
        key[8], key[9], key[10], key[11], key[12], key[13], key[14], key[15]);

        if (0 == EM_mem_cmp(key, t_key, 16))
        {
            /* NO AppKey Bound */
            retval = API_FAILURE;
        }
        else
        {
            /* Found a Valid App Key */
            /* Keeping the retval as API_SUCCESS */
        }
    }

    return retval;
}

/**
 * On GATT Bearer Disconnection or on Startup:
 * 1. If device not provisioned, start unprovisioned beacons over GATT bearer
 * 2. If device is provisioned and App Key is bound i.e. Device is Configured
 *     - Check if Proxy Feature is enabled then Start ADV as Proxy,
 *       Else,
 *       Do nothing!
 *    Else,
 *    If device is provisioned and App Key is not bound i.e. Device is not Configured
 *       Start ADV as Proxy.
 */
void UI_sample_reinit(void)
{
    API_RESULT  retval;
    MS_NET_ADDR addr;
    UCHAR       is_prov_req;
    UCHAR       role, brr;
    UCHAR       state;

    retval      = API_SUCCESS;
    is_prov_req = MS_TRUE;

    retval = MS_access_cm_get_primary_unicast_address(&addr);

    if (API_SUCCESS == retval)
    {
        if (MS_NET_ADDR_UNASSIGNED != addr)
        {
            /* Set Provisioning is not Required */
            is_prov_req = MS_FALSE;
        }
    }

    if (MS_TRUE == is_prov_req)
    {
        /* Start Provisioning over GATT here */
        /**
         * setup <role:[1 - Device, 2 - Provisioner]> <bearer:[1 - Adv, 2 - GATT]
         */
        role = PROV_ROLE_DEVICE;
        brr  = PROV_BRR_GATT;

        /**
         * Setting up an Unprovisioned Device over GATT
         */
        UI_setup_prov(role, brr);

        CONSOLE_OUT("\r\n Setting up as an Unprovisioned Device\r\n");
    }
    else
    {
        /* Fetch PROXY feature state */
        MS_access_cm_get_features_field(&state, MS_FEATURE_PROXY);

        /**
         * Check if the Device is Configured.
         * If not Configured, Start Proxy ADV.
         * If it is Configured,
         *      Check if the Proxy Feature is Enabled.
         *      If not enabled, then Do Nothing!
         *      If it is, Start Proxy ADV.
         */
        if (API_SUCCESS == UI_sample_check_app_key())
        {
            if (MS_ENABLE == state)
            {
                CONSOLE_OUT("\r\n Provisioned Device - Starting Proxy with NetID on Subnet 0x0000!\r\n");

                /* Start Proxy ADV with Network ID here */
                UI_proxy_start_adv(0x0000, MS_PROXY_NET_ID_ADV_MODE);
            }
            else
            {
                /**
                 * Do Nothing!
                 * Already Scaning is Enabled at Start Up
                 */
                blebrr_scan_enable();
            }
        }
        else
        {
            /**
             * Provisioned but not configured device.
             * Still checking if the PROXY Feature is enabled or not.
             * Depending on the state of Proxy Feature:
             *   - If enabled, Start Proxy ADV with Network ID
             *   - Else, Start Proxy ADV with Node Identity.
             */
             (MS_ENABLE == state) ?
             UI_proxy_start_adv(0x0000, MS_PROXY_NET_ID_ADV_MODE):
             UI_proxy_start_adv(0x0000, MS_PROXY_NODE_ID_ADV_MODE);
        }
    }
}

//void UI_set_uuid_octet (UCHAR uuid_0)
//{
//    UI_lprov_device.uuid[0] = uuid_0;
//}

#endif /* (MESH_STANDALONE == 11) */