安卓調試工具掃描時直接顯示就是MAC地址。
蘋果設備是以UUID的方式顯示。
所以我們直接用安卓設備來測試。

我們連接時可以知道主機的地址。
變量是gapRole_ConnectedDevAddr，可以在peripherial.c里搜索GAP_LINK_ESTABLISHED_EVENT事件的處理。

static void gapRole_ProcessGAPMsg( gapEventHdr_t *pMsg ) {uint8 notify = FALSE; // State changed notify the app? (default no)switch ( pMsg->opcode ){case GAP_DEVICE_INIT_DONE_EVENT:{gapDeviceInitDoneEvent_t *pPkt = (gapDeviceInitDoneEvent_t *)pMsg;bStatus_t stat = pPkt->hdr.status;if ( stat == SUCCESS ){// Save off the generated keysVOID osal_snv_write( BLE_NVID_IRK, KEYLEN, gapRole_IRK );VOID osal_snv_write( BLE_NVID_CSRK, KEYLEN, gapRole_SRK );// Save off the informationVOID osal_memcpy( gapRole_bdAddr, pPkt->devAddr, B_ADDR_LEN );gapRole_state = GAPROLE_STARTED;// Update the advertising datastat = GAP_UpdateAdvertisingData( gapRole_TaskID,TRUE, gapRole_AdvertDataLen, gapRole_AdvertData );}if ( stat != SUCCESS ){gapRole_state = GAPROLE_ERROR;}notify = TRUE;}break;case GAP_ADV_DATA_UPDATE_DONE_EVENT:{gapAdvDataUpdateEvent_t *pPkt = (gapAdvDataUpdateEvent_t *)pMsg;if ( pPkt->hdr.status == SUCCESS ){if ( pPkt->adType ){// Setup the Response DatapPkt->hdr.status = GAP_UpdateAdvertisingData( gapRole_TaskID,FALSE, gapRole_ScanRspDataLen, gapRole_ScanRspData );}else{// Start advertisingVOID osal_set_event( gapRole_TaskID, START_ADVERTISING_EVT );}}if ( pPkt->hdr.status != SUCCESS ){// Set into Error stategapRole_state = GAPROLE_ERROR;notify = TRUE;}}break;case GAP_MAKE_DISCOVERABLE_DONE_EVENT:case GAP_END_DISCOVERABLE_DONE_EVENT:{gapMakeDiscoverableRspEvent_t *pPkt = (gapMakeDiscoverableRspEvent_t *)pMsg;if ( pPkt->hdr.status == SUCCESS ){if ( pMsg->opcode == GAP_MAKE_DISCOVERABLE_DONE_EVENT ){gapRole_state = GAPROLE_ADVERTISING;}else // GAP_END_DISCOVERABLE_DONE_EVENT{if ( gapRole_AdvertOffTime != 0 ){if ( ( gapRole_AdvEnabled ) ){VOID osal_start_timerEx( gapRole_TaskID, START_ADVERTISING_EVT, gapRole_AdvertOffTime );}}else{// Since gapRole_AdvertOffTime is set to 0, the device should not// automatically become discoverable again after a period of time.// Set enabler to FALSE; device will become discoverable again when// this value gets set to TRUEgapRole_AdvEnabled = FALSE;}// In the Advertising Off periodgapRole_state = GAPROLE_WAITING;}}else{gapRole_state = GAPROLE_ERROR;}notify = TRUE;}break;case GAP_LINK_ESTABLISHED_EVENT:{gapEstLinkReqEvent_t *pPkt = (gapEstLinkReqEvent_t *)pMsg;if ( pPkt->hdr.status == SUCCESS ){VOID osal_memcpy( gapRole_ConnectedDevAddr, pPkt->devAddr, B_ADDR_LEN );gapRole_ConnectionHandle = pPkt->connectionHandle;gapRole_state = GAPROLE_CONNECTED;if ( gapRole_RSSIReadRate ){// Start the RSSI ReadsVOID osal_start_timerEx( gapRole_TaskID, RSSI_READ_EVT, gapRole_RSSIReadRate );}// Store connection informationgapRole_ConnInterval = pPkt->connInterval;gapRole_ConnSlaveLatency = pPkt->connLatency;gapRole_ConnTimeout = pPkt->connTimeout;// Check whether update parameter request is enabledif ( gapRole_ParamUpdateEnable == TRUE ){// Get the minimum time upon connection establishment before the // peripheral can start a connection update procedure.uint16 timeout = GAP_GetParamValue( TGAP_CONN_PAUSE_PERIPHERAL );osal_start_timerEx( gapRole_TaskID, START_CONN_UPDATE_EVT, timeout*1000 );}// Notify the Bond Manager to the connectionVOID GAPBondMgr_LinkEst( pPkt->devAddrType, pPkt->devAddr, pPkt->connectionHandle, GAP_PROFILE_PERIPHERAL );}else if ( pPkt->hdr.status == bleGAPConnNotAcceptable ){// Set enabler to FALSE; device will become discoverable again when// this value gets set to TRUEgapRole_AdvEnabled = FALSE;// Go to WAITING state, and then start advertisinggapRole_state = GAPROLE_WAITING;}else{gapRole_state = GAPROLE_ERROR;}notify = TRUE;}break;case GAP_LINK_TERMINATED_EVENT:{gapTerminateLinkEvent_t *pPkt = (gapTerminateLinkEvent_t *)pMsg;GAPBondMgr_ProcessGAPMsg( (gapEventHdr_t *)pMsg );osal_memset( gapRole_ConnectedDevAddr, 0, B_ADDR_LEN );// Erase connection informationgapRole_ConnInterval = 0;gapRole_ConnSlaveLatency = 0;gapRole_ConnTimeout = 0;// Cancel all connection parameter update timers (if any active)VOID osal_stop_timerEx( gapRole_TaskID, START_CONN_UPDATE_EVT );VOID osal_stop_timerEx( gapRole_TaskID, CONN_PARAM_TIMEOUT_EVT );// Go to WAITING state, and then start advertisingif( pPkt->reason == LL_SUPERVISION_TIMEOUT_TERM ){gapRole_state = GAPROLE_WAITING_AFTER_TIMEOUT;}else{gapRole_state = GAPROLE_WAITING;}notify = TRUE;VOID osal_set_event( gapRole_TaskID, START_ADVERTISING_EVT );gapRole_ConnectionHandle = INVALID_CONNHANDLE;}break;case GAP_LINK_PARAM_UPDATE_EVENT:{gapLinkUpdateEvent_t *pPkt = (gapLinkUpdateEvent_t *)pMsg;// Cancel connection param update timeout timer (if active)VOID osal_stop_timerEx( gapRole_TaskID, CONN_PARAM_TIMEOUT_EVT );if ( pPkt->hdr.status == SUCCESS ){// Store new connection parametersgapRole_ConnInterval = pPkt->connInterval;gapRole_ConnSlaveLatency = pPkt->connLatency;gapRole_ConnTimeout = pPkt->connTimeout;// Make sure there's no pending connection update procedureif ( osal_get_timeoutEx( gapRole_TaskID, START_CONN_UPDATE_EVT ) == 0 ){// Notify the application with the new connection parametersif ( pGapRoles_ParamUpdateCB != NULL ){(*pGapRoles_ParamUpdateCB)( gapRole_ConnInterval, gapRole_ConnSlaveLatency, gapRole_ConnTimeout );}}}}break;default:break;}if ( notify == TRUE ){// Notify the application with the new state changeif ( pGapRoles_AppCGs && pGapRoles_AppCGs->pfnStateChange ){pGapRoles_AppCGs->pfnStateChange( gapRole_state );}} }

應用場景：需要把mac地址通過藍牙傳輸上去的話，gapRole_ConnectedDevAddr可以使用的到。

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