//softdevice task creation

void nrf_sdh_freertos_init(nrf_sdh_freertos_task_hook_t hook_fn, void * p_context)
{
	NRF_LOG_DEBUG("Creating a SoftDevice task.");

	m_task_hook = hook_fn;

	BaseType_t xReturned = xTaskCreate(softdevice_task,
										"BLE",
										NRF_BLE_FREERTOS_SDH_TASK_STACK,
										p_context,
										2,
										&m_softdevice_task);
	
	if (xReturned != pdPASS)
	{
		NRF_LOG_ERROR("SoftDevice task not created.");
		APP_ERROR_HANDLER(NRF_ERROR_NO_MEM);
	}
}



/* This function gets events from the SoftDevice and processes them. */
static void softdevice_task(void * pvParameter)
{
    NRF_LOG_DEBUG("Enter softdevice_task.");

    if (m_task_hook != NULL)
    {
        m_task_hook(pvParameter);
    }

    while (true)
    {
        nrf_sdh_evts_poll(); // Let the handlers run first, in case the EVENT occured 
        vTaskSuspend(NULL);
    }
}



// init the ble stack
void ble_m_init(void)
{
    // Initialization of required BLE components.
    ble_stack_init();
    scan_init();
    gap_params_init();
    gatt_init();
    conn_params_init();
}



/**@brief Function for initialization Scanning Module.
 */
static void scan_init(void)
{
    ret_code_t err_code;
    err_code = nrf_ble_scan_init(&m_scan, NULL, NULL);
    APP_ERROR_CHECK(err_code);
}



/**@brief Function for initiating scanning.
 */
void scan_start(void)
{
    ret_code_t err_code;

    //Clear the current device address.
    memset(m_addr_str_for_connection, 0, sizeof(m_addr_str_for_connection));

   // connect_addr_clear();

    err_code = nrf_ble_scan_start(&m_scan);
    APP_ERROR_CHECK(err_code);

    //bsp_board_led_on(CENTRAL_SCANNING_LED);

    printf("Scanning\r\n");
    m_scanning = true;
}


/**@brief Function for stopping scanning.
 */
void scan_stop(void)
{
    nrf_ble_scan_stop();
    //bsp_board_led_off(CENTRAL_SCANNING_LED);
    m_scanning = false;
}



//ble event processing

void nrf_ble_scan_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_contex)
{
    nrf_ble_scan_t                 * p_scan_data  = (nrf_ble_scan_t *)p_contex;
    ble_gap_evt_adv_report_t const * p_adv_report = &p_ble_evt->evt.gap_evt.params.adv_report;
   
    ble_gap_evt_t const            * p_gap_evt    = &p_ble_evt->evt.gap_evt;

    switch (p_ble_evt->header.evt_id)
    {
        case BLE_GAP_EVT_ADV_REPORT:
            nrf_ble_scan_on_adv_report(p_scan_data, p_adv_report);
            break;

        default:
            break;
    }
}