src/platform/EFR32/BLEManagerImpl.cpp

   1 /*
   2  *
   3  *    Copyright (c) 2020-2021 Project CHIP Authors
   4  *    Copyright (c) 2019 Nest Labs, Inc.
   5  *
   6  *    Licensed under the Apache License, Version 2.0 (the "License");
   7  *    you may not use this file except in compliance with the License.
   8  *    You may obtain a copy of the License at
   9  *
  10  *        http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  *    Unless required by applicable law or agreed to in writing, software
  13  *    distributed under the License is distributed on an "AS IS" BASIS,
  14  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  *    See the License for the specific language governing permissions and
  16  *    limitations under the License.
  17  */
  18
  19 /**
  20  *    @file
  21  *          Provides an implementation of the BLEManager singleton object
  22  *          for the Silicon Labs EFR32 platforms.
  23  */
  24
  25 /* this file behaves like a config.h, comes first */
  26 #include <platform/internal/CHIPDeviceLayerInternal.h>
  27 #if CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE
  28
  29 #include <platform/internal/BLEManager.h>
  30
  31 #include "sl_bt_api.h"
  32 #include "sl_bt_stack_config.h"
  33 #include "sl_bt_stack_init.h"
  34 #include <ble/CHIPBleServiceData.h>
  35 #include <platform/EFR32/freertos_bluetooth.h>
  36 #include <support/CodeUtils.h>
  37 #include <support/logging/CHIPLogging.h>
  38
  39 using namespace ::chip;
  40 using namespace ::chip::Ble;
  41
  42 namespace chip {
  43 namespace DeviceLayer {
  44 namespace Internal {
  45
  46 namespace {
  47
  48 #define CHIP_ADV_DATA_TYPE_FLAGS 0x01
  49 #define CHIP_ADV_DATA_TYPE_UUID 0x03
  50 #define CHIP_ADV_DATA_TYPE_NAME 0x09
  51 #define CHIP_ADV_DATA_TYPE_SERVICE_DATA 0x16
  52
  53 #define CHIP_ADV_DATA_FLAGS 0x06
  54
  55 #define CHIP_ADV_DATA 0
  56 #define CHIP_ADV_SCAN_RESPONSE_DATA 1
  57 #define CHIP_ADV_SHORT_UUID_LEN 2
  58
  59 #define MAX_RESPONSE_DATA_LEN 31
  60 #define MAX_ADV_DATA_LEN 31
  61
  62 // Timer Frequency used.
  63 #define TIMER_CLK_FREQ ((uint32_t) 32768)
  64 // Convert msec to timer ticks.
  65 #define TIMER_MS_2_TIMERTICK(ms) ((TIMER_CLK_FREQ * ms) / 1000)
  66 #define TIMER_S_2_TIMERTICK(s) (TIMER_CLK_FREQ * s)
  67
  68 #define BLE_MAX_BUFFER_SIZE (3150)
  69 #define BLE_MAX_ADVERTISERS (1)
  70 #define BLE_CONFIG_MAX_PERIODIC_ADVERTISING_SYNC (0)
  71 #define BLE_CONFIG_MAX_SOFTWARE_TIMERS (4)
  72 #define BLE_CONFIG_MIN_TX_POWER (-30)
  73 #define BLE_CONFIG_MAX_TX_POWER (80)
  74 #define BLE_CONFIG_RF_PATH_GAIN_TX (0)
  75 #define BLE_CONFIG_RF_PATH_GAIN_RX (0)
  76
  77 /* Bluetooth stack configuration parameters (see "UG136: Silicon Labs Bluetooth C Application Developer's Guide" for
  78  * details on each parameter) */
  79 static sl_bt_configuration_t config;
  80
  81 const uint8_t UUID_CHIPoBLEService[]       = { 0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80,
  82                                          0x00, 0x10, 0x00, 0x00, 0xAF, 0xFE, 0x00, 0x00 };
  83 const uint8_t ShortUUID_CHIPoBLEService[]  = { 0xAF, 0xFE };
  84 const ChipBleUUID ChipUUID_CHIPoBLEChar_RX = { { 0x18, 0xEE, 0x2E, 0xF5, 0x26, 0x3D, 0x45, 0x59, 0x95, 0x9F, 0x4F, 0x9C, 0x42, 0x9F,
  85                                                  0x9D, 0x11 } };
  86 const ChipBleUUID ChipUUID_CHIPoBLEChar_TX = { { 0x18, 0xEE, 0x2E, 0xF5, 0x26, 0x3D, 0x45, 0x59, 0x95, 0x9F, 0x4F, 0x9C, 0x42, 0x9F,
  87                                                  0x9D, 0x12 } };
  88
  89 } // namespace
  90
  91 BLEManagerImpl BLEManagerImpl::sInstance;
  92
  93 /***************************************************************************/
  94 /**
  95  * Setup the bluetooth init function.
  96  *
  97  * @return none
  98  *
  99  * All bluetooth specific initialization
 100  * code should be here like sl_bt_init_stack(),
 101  * sl_bt_init_multiprotocol() and so on.
 102  ******************************************************************************/
 103 extern "C" sl_status_t initialize_bluetooth()
 104 {
 105     sl_status_t ret = sl_bt_init_stack(&config);
 106     sl_bt_class_system_init();
 107     sl_bt_class_advertiser_init();
 108     sl_bt_class_gap_init();
 109     sl_bt_class_scanner_init();
 110     sl_bt_class_connection_init();
 111     sl_bt_class_gatt_init();
 112     sl_bt_class_gatt_server_init();
 113     sl_bt_class_nvm_init();
 114     sl_bt_class_sm_init();
 115     sl_bt_init_multiprotocol();
 116     return ret;
 117 }
 118
 119 static void initBleConfig(void)
 120 {
 121     memset(&config, 0, sizeof(sl_bt_configuration_t));
 122     config.config_flags                = SL_BT_CONFIG_FLAG_RTOS;      /* Check flag options from UG136 */
 123     config.bluetooth.max_connections   = BLE_LAYER_NUM_BLE_ENDPOINTS; /* Maximum number of simultaneous connections */
 124     config.bluetooth.max_advertisers   = BLE_MAX_ADVERTISERS;
 125     config.bluetooth.max_periodic_sync = BLE_CONFIG_MAX_PERIODIC_ADVERTISING_SYNC;
 126     config.bluetooth.max_buffer_memory = BLE_MAX_BUFFER_SIZE;
 127     config.gattdb                      = &bg_gattdb_data; /* Pointer to GATT database */
 128     config.scheduler_callback          = BluetoothLLCallback;
 129     config.stack_schedule_callback     = BluetoothUpdate;
 130     config.max_timers                  = BLE_CONFIG_MAX_SOFTWARE_TIMERS;
 131     config.rf.tx_gain                  = BLE_CONFIG_RF_PATH_GAIN_TX;
 132     config.rf.rx_gain                  = BLE_CONFIG_RF_PATH_GAIN_RX;
 133     config.rf.tx_min_power             = BLE_CONFIG_MIN_TX_POWER;
 134     config.rf.tx_max_power             = BLE_CONFIG_MAX_TX_POWER;
 135 #if (HAL_PA_ENABLE)
 136     config.pa.config_enable = 1; /* Set this to be a valid PA config */
 137 #if defined(FEATURE_PA_INPUT_FROM_VBAT)
 138     config.pa.input = SL_BT_RADIO_PA_INPUT_VBAT; /* Configure PA input to VBAT */
 139 #else
 140     config.pa.input = SL_BT_RADIO_PA_INPUT_DCDC; /* Configure PA input to DCDC */
 141 #endif // defined(FEATURE_PA_INPUT_FROM_VBAT)
 142 #endif // (HAL_PA_ENABLE)
 143 }
 144
 145 CHIP_ERROR BLEManagerImpl::_Init()
 146 {
 147     CHIP_ERROR err;
 148     sl_status_t ret;
 149
 150     // Initialize the CHIP BleLayer.
 151     err = BleLayer::Init(this, this, &SystemLayer);
 152     SuccessOrExit(err);
 153
 154     memset(mBleConnections, 0, sizeof(mBleConnections));
 155     memset(mIndConfId, kUnusedIndex, sizeof(mIndConfId));
 156     mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Enabled;
 157
 158     initBleConfig();
 159
 160     // Start Bluetooth Link Layer and stack tasks
 161     ret =
 162         bluetooth_start(CHIP_DEVICE_CONFIG_BLE_LL_TASK_PRIORITY, CHIP_DEVICE_CONFIG_BLE_STACK_TASK_PRIORITY, initialize_bluetooth);
 163
 164     VerifyOrExit(ret == bg_err_success, err = MapBLEError(ret));
 165
 166     // Create the Bluetooth Application task
 167     xTaskCreate(bluetoothStackEventHandler,                                       /* Function that implements the task. */
 168                 CHIP_DEVICE_CONFIG_BLE_APP_TASK_NAME,                             /* Text name for the task. */
 169                 CHIP_DEVICE_CONFIG_BLE_APP_TASK_STACK_SIZE / sizeof(StackType_t), /* Number of indexes in the xStack array. */
 170                 this,                                                             /* Parameter passed into the task. */
 171                 CHIP_DEVICE_CONFIG_BLE_APP_TASK_PRIORITY,                         /* Priority at which the task is created. */
 172                 NULL);                                                            /* Variable to hold the task's data structure. */
 173
 174     mFlags.ClearAll().Set(Flags::kAdvertisingEnabled, CHIP_DEVICE_CONFIG_CHIPOBLE_ENABLE_ADVERTISING_AUTOSTART);
 175     PlatformMgr().ScheduleWork(DriveBLEState, 0);
 176
 177 exit:
 178     return err;
 179 }
 180
 181 uint16_t BLEManagerImpl::_NumConnections(void)
 182 {
 183     uint16_t numCons = 0;
 184     for (uint16_t i = 0; i < kMaxConnections; i++)
 185     {
 186         if (mBleConnections[i].allocated)
 187         {
 188             numCons++;
 189         }
 190     }
 191
 192     return numCons;
 193 }
 194
 195 void BLEManagerImpl::bluetoothStackEventHandler(void * p_arg)
 196 {
 197     EventBits_t flags = 0;
 198
 199     while (1)
 200     {
 201         // wait for Bluetooth stack events, do not consume set flag
 202         flags = xEventGroupWaitBits(bluetooth_event_flags,            /* The event group being tested. */
 203                                     BLUETOOTH_EVENT_FLAG_EVT_WAITING, /* The bits within the event group to wait for. */
 204                                     pdFALSE,                          /* Dont clear flags before returning */
 205                                     pdFALSE,                          /* Any flag will do, dont wait for all flags to be set */
 206                                     portMAX_DELAY);                   /* Wait for maximum duration for bit to be set */
 207
 208         if (flags & BLUETOOTH_EVENT_FLAG_EVT_WAITING)
 209         {
 210             flags &= ~BLUETOOTH_EVENT_FLAG_EVT_WAITING;
 211             xEventGroupClearBits(bluetooth_event_flags, BLUETOOTH_EVENT_FLAG_EVT_WAITING);
 212
 213             // As this is running in a separate thread, we need to block CHIP from operating,
 214             // until the events are handled.
 215             PlatformMgr().LockChipStack();
 216
 217             // handle bluetooth events
 218             switch (SL_BT_MSG_ID(bluetooth_evt->header))
 219             {
 220             case sl_bt_evt_system_boot_id: {
 221                 ChipLogProgress(DeviceLayer, "Bluetooth stack booted: v%d.%d.%d-b%d\n", bluetooth_evt->data.evt_system_boot.major,
 222                                 bluetooth_evt->data.evt_system_boot.minor, bluetooth_evt->data.evt_system_boot.patch,
 223                                 bluetooth_evt->data.evt_system_boot.build);
 224                 sInstance.HandleBootEvent();
 225             }
 226             break;
 227
 228             case sl_bt_evt_connection_opened_id: {
 229                 sInstance.HandleConnectEvent(bluetooth_evt);
 230             }
 231             break;
 232             case sl_bt_evt_connection_parameters_id: {
 233                 // ChipLogProgress(DeviceLayer, "Connection parameter ID received. Nothing to do");
 234             }
 235             break;
 236             case sl_bt_evt_connection_phy_status_id: {
 237                 // ChipLogProgress(DeviceLayer, "PHY update procedure is completed");
 238             }
 239             break;
 240             case sl_bt_evt_connection_closed_id: {
 241                 sInstance.HandleConnectionCloseEvent(bluetooth_evt);
 242             }
 243             break;
 244
 245             /* This event indicates that a remote GATT client is attempting to write a value of an
 246              * attribute in to the local GATT database, where the attribute was defined in the GATT
 247              * XML firmware configuration file to have type="user".  */
 248             case sl_bt_evt_gatt_server_attribute_value_id: {
 249                 sInstance.HandleWriteEvent(bluetooth_evt);
 250             }
 251             break;
 252
 253             case sl_bt_evt_gatt_mtu_exchanged_id: {
 254                 sInstance.UpdateMtu(bluetooth_evt);
 255             }
 256             break;
 257
 258             // confirmation of indication received from remote GATT client
 259             case sl_bt_evt_gatt_server_characteristic_status_id: {
 260                 sl_bt_gatt_server_characteristic_status_flag_t StatusFlags;
 261
 262                 StatusFlags = (sl_bt_gatt_server_characteristic_status_flag_t)
 263                                   bluetooth_evt->data.evt_gatt_server_characteristic_status.status_flags;
 264
 265                 if (sl_bt_gatt_server_confirmation == StatusFlags)
 266                 {
 267                     sInstance.HandleTxConfirmationEvent(bluetooth_evt);
 268                 }
 269                 else if ((bluetooth_evt->data.evt_gatt_server_characteristic_status.characteristic == gattdb_CHIPoBLEChar_Tx) &&
 270                          (bluetooth_evt->data.evt_gatt_server_characteristic_status.status_flags == gatt_server_client_config))
 271                 {
 272                     sInstance.HandleTXCharCCCDWrite(bluetooth_evt);
 273                 }
 274             }
 275             break;
 276
 277             /* Software Timer event */
 278             case sl_bt_evt_system_soft_timer_id: {
 279                 sInstance.HandleSoftTimerEvent(bluetooth_evt);
 280             }
 281             break;
 282
 283             default:
 284                 ChipLogProgress(DeviceLayer, "evt_UNKNOWN id = %08x", SL_BT_MSG_ID(bluetooth_evt->header));
 285                 break;
 286             }
 287         }
 288
 289         PlatformMgr().UnlockChipStack();
 290
 291         vRaiseEventFlagBasedOnContext(bluetooth_event_flags, BLUETOOTH_EVENT_FLAG_EVT_HANDLED);
 292     }
 293 }
 294
 295 CHIP_ERROR BLEManagerImpl::_SetCHIPoBLEServiceMode(CHIPoBLEServiceMode val)
 296 {
 297     CHIP_ERROR err = CHIP_NO_ERROR;
 298
 299     VerifyOrExit(val != ConnectivityManager::kCHIPoBLEServiceMode_NotSupported, err = CHIP_ERROR_INVALID_ARGUMENT);
 300     VerifyOrExit(mServiceMode != ConnectivityManager::kCHIPoBLEServiceMode_NotSupported, err = CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE);
 301
 302     if (val != mServiceMode)
 303     {
 304         mServiceMode = val;
 305         PlatformMgr().ScheduleWork(DriveBLEState, 0);
 306     }
 307
 308 exit:
 309     return err;
 310 }
 311
 312 CHIP_ERROR BLEManagerImpl::_SetAdvertisingEnabled(bool val)
 313 {
 314     CHIP_ERROR err = CHIP_NO_ERROR;
 315
 316     VerifyOrExit(mServiceMode != ConnectivityManager::kCHIPoBLEServiceMode_NotSupported, err = CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE);
 317
 318     if (mFlags.Has(Flags::kAdvertisingEnabled) != val)
 319     {
 320         mFlags.Set(Flags::kAdvertisingEnabled, val);
 321         PlatformMgr().ScheduleWork(DriveBLEState, 0);
 322     }
 323
 324 exit:
 325     return err;
 326 }
 327
 328 CHIP_ERROR BLEManagerImpl::_SetFastAdvertisingEnabled(bool val)
 329 {
 330     CHIP_ERROR err = CHIP_NO_ERROR;
 331
 332     VerifyOrExit(mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_NotSupported, err = CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE);
 333
 334     if (mFlags.Has(Flags::kFastAdvertisingEnabled) != val)
 335     {
 336         mFlags.Set(Flags::kFastAdvertisingEnabled, val);
 337         PlatformMgr().ScheduleWork(DriveBLEState, 0);
 338     }
 339
 340 exit:
 341     return err;
 342 }
 343
 344 CHIP_ERROR BLEManagerImpl::_GetDeviceName(char * buf, size_t bufSize)
 345 {
 346     if (strlen(mDeviceName) >= bufSize)
 347     {
 348         return CHIP_ERROR_BUFFER_TOO_SMALL;
 349     }
 350     strcpy(buf, mDeviceName);
 351     return CHIP_NO_ERROR;
 352 }
 353
 354 CHIP_ERROR BLEManagerImpl::_SetDeviceName(const char * deviceName)
 355 {
 356     sl_status_t ret;
 357     CHIP_ERROR err = CHIP_NO_ERROR;
 358     if (mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_NotSupported)
 359     {
 360         return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE;
 361     }
 362     if (deviceName != NULL && deviceName[0] != 0)
 363     {
 364         if (strlen(deviceName) >= kMaxDeviceNameLength)
 365         {
 366             return CHIP_ERROR_INVALID_ARGUMENT;
 367         }
 368         strcpy(mDeviceName, deviceName);
 369         mFlags.Set(Flags::kDeviceNameSet);
 370         ChipLogProgress(DeviceLayer, "Setting device name to : \"%s\"", deviceName);
 371         static_assert(kMaxDeviceNameLength <= UINT16_MAX, "deviceName length might not fit in a uint8_t");
 372         ret = sl_bt_gatt_server_write_attribute_value(gattdb_device_name, 0, strlen(deviceName), (uint8_t *) deviceName);
 373         if (ret != SL_STATUS_OK)
 374         {
 375             err = MapBLEError(ret);
 376             ChipLogError(DeviceLayer, "sl_bt_gatt_server_write_attribute_value() failed: %s", ErrorStr(err));
 377             return err;
 378         }
 379     }
 380     else
 381     {
 382         mDeviceName[0] = 0;
 383     }
 384     return CHIP_NO_ERROR;
 385 }
 386
 387 void BLEManagerImpl::_OnPlatformEvent(const ChipDeviceEvent * event)
 388 {
 389     switch (event->Type)
 390     {
 391     case DeviceEventType::kCHIPoBLESubscribe: {
 392         ChipDeviceEvent connEstEvent;
 393
 394         ChipLogProgress(DeviceLayer, "_OnPlatformEvent kCHIPoBLESubscribe");
 395         HandleSubscribeReceived(event->CHIPoBLESubscribe.ConId, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_TX);
 396         connEstEvent.Type = DeviceEventType::kCHIPoBLEConnectionEstablished;
 397         PlatformMgr().PostEvent(&connEstEvent);
 398     }
 399     break;
 400
 401     case DeviceEventType::kCHIPoBLEUnsubscribe: {
 402         ChipLogProgress(DeviceLayer, "_OnPlatformEvent kCHIPoBLEUnsubscribe");
 403         HandleUnsubscribeReceived(event->CHIPoBLEUnsubscribe.ConId, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_TX);
 404     }
 405     break;
 406
 407     case DeviceEventType::kCHIPoBLEWriteReceived: {
 408         ChipLogProgress(DeviceLayer, "_OnPlatformEvent kCHIPoBLEWriteReceived");
 409         HandleWriteReceived(event->CHIPoBLEWriteReceived.ConId, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_RX,
 410                             PacketBufferHandle::Adopt(event->CHIPoBLEWriteReceived.Data));
 411     }
 412     break;
 413
 414     case DeviceEventType::kCHIPoBLEConnectionError: {
 415         ChipLogProgress(DeviceLayer, "_OnPlatformEvent kCHIPoBLEConnectionError");
 416         HandleConnectionError(event->CHIPoBLEConnectionError.ConId, event->CHIPoBLEConnectionError.Reason);
 417     }
 418     break;
 419
 420     case DeviceEventType::kCHIPoBLEIndicateConfirm: {
 421         ChipLogProgress(DeviceLayer, "_OnPlatformEvent kCHIPoBLEIndicateConfirm");
 422         HandleIndicationConfirmation(event->CHIPoBLEIndicateConfirm.ConId, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_TX);
 423     }
 424     break;
 425
 426     default:
 427         ChipLogProgress(DeviceLayer, "_OnPlatformEvent default:  event->Type = %d", event->Type);
 428         break;
 429     }
 430 }
 431
 432 bool BLEManagerImpl::SubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId)
 433 {
 434     ChipLogProgress(DeviceLayer, "BLEManagerImpl::SubscribeCharacteristic() not supported");
 435     return false;
 436 }
 437
 438 bool BLEManagerImpl::UnsubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId)
 439 {
 440     ChipLogProgress(DeviceLayer, "BLEManagerImpl::UnsubscribeCharacteristic() not supported");
 441     return false;
 442 }
 443
 444 bool BLEManagerImpl::CloseConnection(BLE_CONNECTION_OBJECT conId)
 445 {
 446     CHIP_ERROR err = CHIP_NO_ERROR;
 447     sl_status_t ret;
 448
 449     ChipLogProgress(DeviceLayer, "Closing BLE GATT connection (con %u)", conId);
 450
 451     ret = sl_bt_connection_close(conId);
 452     err = MapBLEError(ret);
 453
 454     if (err != CHIP_NO_ERROR)
 455     {
 456         ChipLogError(DeviceLayer, "sl_bt_connection_close() failed: %s", ErrorStr(err));
 457     }
 458
 459     return (err == CHIP_NO_ERROR);
 460 }
 461
 462 uint16_t BLEManagerImpl::GetMTU(BLE_CONNECTION_OBJECT conId) const
 463 {
 464     CHIPoBLEConState * conState = const_cast<BLEManagerImpl *>(this)->GetConnectionState(conId);
 465     return (conState != NULL) ? conState->mtu : 0;
 466 }
 467
 468 bool BLEManagerImpl::SendIndication(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId,
 469                                     PacketBufferHandle data)
 470 {
 471     CHIP_ERROR err              = CHIP_NO_ERROR;
 472     CHIPoBLEConState * conState = GetConnectionState(conId);
 473     sl_status_t ret;
 474     uint16_t cId        = (UUIDsMatch(&ChipUUID_CHIPoBLEChar_RX, charId) ? gattdb_CHIPoBLEChar_Rx : gattdb_CHIPoBLEChar_Tx);
 475     uint8_t timerHandle = GetTimerHandle(conId, true);
 476
 477     VerifyOrExit(((conState != NULL) && (conState->subscribed != 0)), err = CHIP_ERROR_INVALID_ARGUMENT);
 478     VerifyOrExit(timerHandle != kMaxConnections, err = CHIP_ERROR_NO_MEMORY);
 479
 480     // start timer for light indication confirmation. Long delay for spake2 indication
 481     sl_bt_system_set_soft_timer(TIMER_S_2_TIMERTICK(6), timerHandle, true);
 482
 483     ret = sl_bt_gatt_server_send_indication(conId, cId, (data->DataLength()), data->Start());
 484
 485     err = MapBLEError(ret);
 486
 487 exit:
 488     if (err != CHIP_NO_ERROR)
 489     {
 490         ChipLogError(DeviceLayer, "BLEManagerImpl::SendIndication() failed: %s", ErrorStr(err));
 491         return false;
 492     }
 493     return true;
 494 }
 495
 496 bool BLEManagerImpl::SendWriteRequest(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId,
 497                                       PacketBufferHandle pBuf)
 498 {
 499     ChipLogProgress(DeviceLayer, "BLEManagerImpl::SendWriteRequest() not supported");
 500     return false;
 501 }
 502
 503 bool BLEManagerImpl::SendReadRequest(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId,
 504                                      PacketBufferHandle pBuf)
 505 {
 506     ChipLogProgress(DeviceLayer, "BLEManagerImpl::SendReadRequest() not supported");
 507     return false;
 508 }
 509
 510 bool BLEManagerImpl::SendReadResponse(BLE_CONNECTION_OBJECT conId, BLE_READ_REQUEST_CONTEXT requestContext,
 511                                       const ChipBleUUID * svcId, const ChipBleUUID * charId)
 512 {
 513     ChipLogProgress(DeviceLayer, "BLEManagerImpl::SendReadResponse() not supported");
 514     return false;
 515 }
 516
 517 void BLEManagerImpl::NotifyChipConnectionClosed(BLE_CONNECTION_OBJECT conId)
 518 {
 519     // Nothing to do
 520 }
 521
 522 CHIP_ERROR BLEManagerImpl::MapBLEError(int bleErr)
 523 {
 524     switch (bleErr)
 525     {
 526     case SL_STATUS_OK:
 527         return CHIP_NO_ERROR;
 528     case SL_STATUS_BT_ATT_INVALID_ATT_LENGTH:
 529         return CHIP_ERROR_INVALID_STRING_LENGTH;
 530     case SL_STATUS_INVALID_PARAMETER:
 531         return CHIP_ERROR_INVALID_ARGUMENT;
 532     default:
 533         return (CHIP_ERROR) bleErr + CHIP_DEVICE_CONFIG_EFR32_BLE_ERROR_MIN;
 534     }
 535 }
 536
 537 void BLEManagerImpl::DriveBLEState(void)
 538 {
 539     CHIP_ERROR err = CHIP_NO_ERROR;
 540
 541     // Check if BLE stack is initialized
 542     VerifyOrExit(mFlags.Has(Flags::kEFRBLEStackInitialized), /* */);
 543
 544     // Start advertising if needed...
 545     if (mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_Enabled && mFlags.Has(Flags::kAdvertisingEnabled))
 546     {
 547         // Start/re-start advertising if not already started, or if there is a pending change
 548         // to the advertising configuration.
 549         if (!mFlags.Has(Flags::kAdvertising) || mFlags.Has(Flags::kRestartAdvertising))
 550         {
 551             err = StartAdvertising();
 552             SuccessOrExit(err);
 553         }
 554     }
 555
 556     // Otherwise, stop advertising if it is enabled.
 557     else if (mFlags.Has(Flags::kAdvertising))
 558     {
 559         err = StopAdvertising();
 560         SuccessOrExit(err);
 561     }
 562
 563 exit:
 564     if (err != CHIP_NO_ERROR)
 565     {
 566         ChipLogError(DeviceLayer, "Disabling CHIPoBLE service due to error: %s", ErrorStr(err));
 567         mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Disabled;
 568     }
 569 }
 570
 571 CHIP_ERROR BLEManagerImpl::ConfigureAdvertisingData(void)
 572 {
 573     sl_status_t ret;
 574     ChipBLEDeviceIdentificationInfo mDeviceIdInfo;
 575     CHIP_ERROR err;
 576     uint8_t responseData[MAX_RESPONSE_DATA_LEN];
 577     uint8_t advData[MAX_ADV_DATA_LEN];
 578     uint32_t index              = 0;
 579     uint32_t mDeviceNameLength  = 0;
 580     uint8_t mDeviceIdInfoLength = 0;
 581
 582     VerifyOrExit((kMaxDeviceNameLength + 1) < UINT8_MAX, err = CHIP_ERROR_INVALID_ARGUMENT);
 583
 584     memset(responseData, 0, MAX_RESPONSE_DATA_LEN);
 585     memset(advData, 0, MAX_ADV_DATA_LEN);
 586
 587     err = ConfigurationMgr().GetBLEDeviceIdentificationInfo(mDeviceIdInfo);
 588     SuccessOrExit(err);
 589
 590     if (!mFlags.Has(Flags::kDeviceNameSet))
 591     {
 592         snprintf(mDeviceName, sizeof(mDeviceName), "%s%04" PRIX32, CHIP_DEVICE_CONFIG_BLE_DEVICE_NAME_PREFIX, (uint32_t) 0);
 593
 594         mDeviceName[kMaxDeviceNameLength] = 0;
 595         mDeviceNameLength                 = strlen(mDeviceName);
 596
 597         VerifyOrExit(mDeviceNameLength < kMaxDeviceNameLength, err = CHIP_ERROR_INVALID_ARGUMENT);
 598
 599         ret = sl_bt_gatt_server_write_attribute_value(gattdb_device_name, 0, mDeviceNameLength, (uint8_t *) mDeviceName);
 600         if (ret != SL_STATUS_OK)
 601         {
 602             err = MapBLEError(ret);
 603             ChipLogError(DeviceLayer, "sl_bt_gatt_server_write_attribute_value() failed: %s", ErrorStr(err));
 604             return err;
 605         }
 606     }
 607
 608     mDeviceNameLength = strlen(mDeviceName); // Device Name length + length field
 609     VerifyOrExit(mDeviceNameLength < kMaxDeviceNameLength, err = CHIP_ERROR_INVALID_ARGUMENT);
 610
 611     mDeviceIdInfoLength = sizeof(mDeviceIdInfo); // Servicedatalen + length+ UUID (Short)
 612     static_assert(sizeof(mDeviceIdInfo) + CHIP_ADV_SHORT_UUID_LEN + 1 <= UINT8_MAX, "Our length won't fit in a uint8_t");
 613     static_assert(2 + CHIP_ADV_SHORT_UUID_LEN + sizeof(mDeviceIdInfo) + 1 <= MAX_ADV_DATA_LEN, "Our buffer is not big enough");
 614
 615     index            = 0;
 616     advData[index++] = 0x02;                                                                    // length
 617     advData[index++] = CHIP_ADV_DATA_TYPE_FLAGS;                                                // AD type : flags
 618     advData[index++] = CHIP_ADV_DATA_FLAGS;                                                     // AD value
 619     advData[index++] = static_cast<uint8_t>(mDeviceIdInfoLength + CHIP_ADV_SHORT_UUID_LEN + 1); // AD length
 620     advData[index++] = CHIP_ADV_DATA_TYPE_SERVICE_DATA;                                         // AD type : Service Data
 621     advData[index++] = ShortUUID_CHIPoBLEService[0];                                            // AD value
 622     advData[index++] = ShortUUID_CHIPoBLEService[1];
 623     memcpy(&advData[index], (void *) &mDeviceIdInfo, mDeviceIdInfoLength); // AD value
 624     index += mDeviceIdInfoLength;
 625
 626     advData[index++] = static_cast<uint8_t>(mDeviceNameLength + 1); // length
 627     advData[index++] = CHIP_ADV_DATA_TYPE_NAME;                     // AD type : name
 628     memcpy(&advData[index], mDeviceName, mDeviceNameLength);        // AD value
 629     index += mDeviceNameLength;
 630
 631     if (0xff != advertising_set_handle)
 632     {
 633         sl_bt_advertiser_delete_set(advertising_set_handle);
 634         advertising_set_handle = 0xff;
 635     }
 636
 637     ret = sl_bt_advertiser_create_set(&advertising_set_handle);
 638     if (ret != SL_STATUS_OK)
 639     {
 640         err = MapBLEError(ret);
 641         ChipLogError(DeviceLayer, "sl_bt_advertiser_create_set() failed: %s", ErrorStr(err));
 642         ExitNow();
 643     }
 644     ret = sl_bt_advertiser_set_data(advertising_set_handle, CHIP_ADV_DATA, index, (uint8_t *) advData);
 645
 646     if (ret != SL_STATUS_OK)
 647     {
 648         err = MapBLEError(ret);
 649         ChipLogError(DeviceLayer, "sl_bt_advertiser_set_data() failed: %s", ErrorStr(err));
 650         ExitNow();
 651     }
 652
 653     index = 0;
 654
 655     responseData[index++] = CHIP_ADV_SHORT_UUID_LEN + 1;  // AD length
 656     responseData[index++] = CHIP_ADV_DATA_TYPE_UUID;      // AD type : uuid
 657     responseData[index++] = ShortUUID_CHIPoBLEService[0]; // AD value
 658     responseData[index++] = ShortUUID_CHIPoBLEService[1];
 659
 660     ret = sl_bt_advertiser_set_data(advertising_set_handle, CHIP_ADV_SCAN_RESPONSE_DATA, index, (uint8_t *) responseData);
 661
 662     if (ret != SL_STATUS_OK)
 663     {
 664         err = MapBLEError(ret);
 665         ChipLogError(DeviceLayer, "sl_bt_advertiser_set_data() failed: %s", ErrorStr(err));
 666         ExitNow();
 667     }
 668
 669     err = MapBLEError(ret);
 670
 671 exit:
 672     return err;
 673 }
 674
 675 CHIP_ERROR BLEManagerImpl::StartAdvertising(void)
 676 {
 677     CHIP_ERROR err;
 678     sl_status_t ret;
 679     uint32_t interval_min;
 680     uint32_t interval_max;
 681     uint16_t numConnectionss = NumConnections();
 682     uint8_t connectableAdv =
 683         (numConnectionss < kMaxConnections) ? sl_bt_advertiser_connectable_scannable : sl_bt_advertiser_scannable_non_connectable;
 684
 685     err = ConfigureAdvertisingData();
 686     SuccessOrExit(err);
 687
 688     mFlags.Clear(Flags::kRestartAdvertising);
 689
 690     interval_min = interval_max =
 691         ((numConnectionss == 0 && !ConfigurationMgr().IsPairedToAccount()) || mFlags.Has(Flags::kFastAdvertisingEnabled))
 692         ? CHIP_DEVICE_CONFIG_BLE_FAST_ADVERTISING_INTERVAL
 693         : CHIP_DEVICE_CONFIG_BLE_SLOW_ADVERTISING_INTERVAL;
 694
 695     ret = sl_bt_advertiser_set_timing(advertising_set_handle, interval_min, interval_max, 0, 0);
 696     err = MapBLEError(ret);
 697     SuccessOrExit(err);
 698
 699     ret = sl_bt_advertiser_start(advertising_set_handle, sl_bt_advertiser_user_data, connectableAdv);
 700
 701     if (SL_STATUS_OK == ret)
 702     {
 703         mFlags.Set(Flags::kAdvertising);
 704     }
 705
 706     err = MapBLEError(ret);
 707
 708 exit:
 709     return err;
 710 }
 711
 712 CHIP_ERROR BLEManagerImpl::StopAdvertising(void)
 713 {
 714     CHIP_ERROR err = CHIP_NO_ERROR;
 715     sl_status_t ret;
 716
 717     if (mFlags.Has(Flags::kAdvertising))
 718     {
 719         mFlags.Clear(Flags::kAdvertising).Clear(Flags::kRestartAdvertising);
 720
 721         ret = sl_bt_advertiser_stop(advertising_set_handle);
 722         sl_bt_advertiser_delete_set(advertising_set_handle);
 723         advertising_set_handle = 0xff;
 724         err                    = MapBLEError(ret);
 725         SuccessOrExit(err);
 726     }
 727
 728 exit:
 729     return err;
 730 }
 731
 732 void BLEManagerImpl::UpdateMtu(volatile sl_bt_msg_t * evt)
 733 {
 734     CHIPoBLEConState * bleConnState = GetConnectionState(evt->data.evt_gatt_mtu_exchanged.connection);
 735     if (bleConnState != NULL)
 736     {
 737         // bleConnState->MTU is a 10-bit field inside a uint16_t.  We're
 738         // assigning to it from a uint16_t, and compilers warn about
 739         // possibly not fitting.  There's no way to suppress that warning
 740         // via explicit cast; we have to disable the warning around the
 741         // assignment.
 742         //
 743         // TODO: https://github.com/project-chip/connectedhomeip/issues/2569
 744         // tracks making this safe with a check or explaining why no check
 745         // is needed.
 746 #pragma GCC diagnostic push
 747 #pragma GCC diagnostic ignored "-Wconversion"
 748         bleConnState->mtu = evt->data.evt_gatt_mtu_exchanged.mtu;
 749 #pragma GCC diagnostic pop
 750         ;
 751     }
 752 }
 753
 754 void BLEManagerImpl::HandleBootEvent(void)
 755 {
 756     mFlags.Set(Flags::kEFRBLEStackInitialized);
 757     PlatformMgr().ScheduleWork(DriveBLEState, 0);
 758 }
 759
 760 void BLEManagerImpl::HandleConnectEvent(volatile sl_bt_msg_t * evt)
 761 {
 762     sl_bt_evt_connection_opened_t * conn_evt = (sl_bt_evt_connection_opened_t *) &(evt->data);
 763     uint8_t connHandle                       = conn_evt->connection;
 764     uint8_t bondingHandle                    = conn_evt->bonding;
 765
 766     ChipLogProgress(DeviceLayer, "Connect Event for handle : %d", connHandle);
 767
 768     AddConnection(connHandle, bondingHandle);
 769
 770     // mFlags.Set(Flags::kRestartAdvertising);
 771     PlatformMgr().ScheduleWork(DriveBLEState, 0);
 772 }
 773
 774 void BLEManagerImpl::HandleConnectionCloseEvent(volatile sl_bt_msg_t * evt)
 775 {
 776     sl_bt_evt_connection_closed_t * conn_evt = (sl_bt_evt_connection_closed_t *) &(evt->data);
 777     uint8_t connHandle                       = conn_evt->connection;
 778
 779     ChipLogProgress(DeviceLayer, "Disconnect Event for handle : %d", connHandle);
 780
 781     if (RemoveConnection(connHandle))
 782     {
 783         ChipDeviceEvent event;
 784         event.Type                          = DeviceEventType::kCHIPoBLEConnectionError;
 785         event.CHIPoBLEConnectionError.ConId = connHandle;
 786
 787         switch (conn_evt->reason)
 788         {
 789         case bg_err_bt_remote_user_terminated:
 790         case bg_err_bt_remote_device_terminated_connection_due_to_low_resources:
 791         case bg_err_bt_remote_powering_off:
 792             event.CHIPoBLEConnectionError.Reason = BLE_ERROR_REMOTE_DEVICE_DISCONNECTED;
 793             break;
 794
 795         case bg_err_bt_connection_terminated_by_local_host:
 796             event.CHIPoBLEConnectionError.Reason = BLE_ERROR_APP_CLOSED_CONNECTION;
 797             break;
 798
 799         default:
 800             event.CHIPoBLEConnectionError.Reason = BLE_ERROR_CHIPOBLE_PROTOCOL_ABORT;
 801             break;
 802         }
 803
 804         ChipLogProgress(DeviceLayer, "BLE GATT connection closed (con %u, reason %u)", connHandle, conn_evt->reason);
 805
 806         PlatformMgr().PostEvent(&event);
 807
 808         // Arrange to re-enable connectable advertising in case it was disabled due to the
 809         // maximum connection limit being reached.
 810         mFlags.Set(Flags::kRestartAdvertising);
 811         PlatformMgr().ScheduleWork(DriveBLEState, 0);
 812     }
 813 }
 814
 815 void BLEManagerImpl::HandleWriteEvent(volatile sl_bt_msg_t * evt)
 816 {
 817     uint16_t attribute = evt->data.evt_gatt_server_user_write_request.characteristic;
 818
 819     ChipLogProgress(DeviceLayer, "Char Write Req, char : %d", attribute);
 820
 821     if (gattdb_CHIPoBLEChar_Rx == attribute)
 822     {
 823         HandleRXCharWrite(evt);
 824     }
 825 }
 826
 827 void BLEManagerImpl::HandleTXCharCCCDWrite(volatile sl_bt_msg_t * evt)
 828 {
 829     CHIP_ERROR err = CHIP_NO_ERROR;
 830     CHIPoBLEConState * bleConnState;
 831     bool indicationsEnabled;
 832     ChipDeviceEvent event;
 833
 834     bleConnState = GetConnectionState(evt->data.evt_gatt_server_user_write_request.connection);
 835
 836     VerifyOrExit(bleConnState != NULL, err = CHIP_ERROR_NO_MEMORY);
 837
 838     // Determine if the client is enabling or disabling indications.
 839     indicationsEnabled = (evt->data.evt_gatt_server_characteristic_status.client_config_flags == gatt_indication);
 840
 841     ChipLogProgress(DeviceLayer, "CHIPoBLE %s received", indicationsEnabled ? "subscribe" : "unsubscribe");
 842
 843     if (indicationsEnabled)
 844     {
 845         // If indications are not already enabled for the connection...
 846         if (!bleConnState->subscribed)
 847         {
 848             bleConnState->subscribed = 1;
 849             // Post an event to the CHIP queue to process either a CHIPoBLE Subscribe or Unsubscribe based on
 850             // whether the client is enabling or disabling indications.
 851             {
 852                 event.Type                    = DeviceEventType::kCHIPoBLESubscribe;
 853                 event.CHIPoBLESubscribe.ConId = evt->data.evt_gatt_server_user_write_request.connection;
 854                 PlatformMgr().PostEvent(&event);
 855             }
 856         }
 857     }
 858     else
 859     {
 860         bleConnState->subscribed      = 0;
 861         event.Type                    = DeviceEventType::kCHIPoBLEUnsubscribe;
 862         event.CHIPoBLESubscribe.ConId = evt->data.evt_gatt_server_user_write_request.connection;
 863         PlatformMgr().PostEvent(&event);
 864     }
 865
 866 exit:
 867     if (err != CHIP_NO_ERROR)
 868     {
 869         ChipLogError(DeviceLayer, "HandleTXCharCCCDWrite() failed: %s", ErrorStr(err));
 870     }
 871 }
 872
 873 void BLEManagerImpl::HandleRXCharWrite(volatile sl_bt_msg_t * evt)
 874 {
 875     CHIP_ERROR err = CHIP_NO_ERROR;
 876     System::PacketBufferHandle buf;
 877     uint16_t writeLen = evt->data.evt_gatt_server_user_write_request.value.len;
 878     uint8_t * data    = (uint8_t *) evt->data.evt_gatt_server_user_write_request.value.data;
 879
 880     // Copy the data to a packet buffer.
 881     buf = System::PacketBufferHandle::NewWithData(data, writeLen, 0, 0);
 882     VerifyOrExit(!buf.IsNull(), err = CHIP_ERROR_NO_MEMORY);
 883
 884     ChipLogDetail(DeviceLayer, "Write request/command received for CHIPoBLE RX characteristic (con %" PRIu16 ", len %" PRIu16 ")",
 885                   evt->data.evt_gatt_server_user_write_request.connection, buf->DataLength());
 886
 887     // Post an event to the CHIP queue to deliver the data into the CHIP stack.
 888     {
 889         ChipDeviceEvent event;
 890         event.Type                        = DeviceEventType::kCHIPoBLEWriteReceived;
 891         event.CHIPoBLEWriteReceived.ConId = evt->data.evt_gatt_server_user_write_request.connection;
 892         event.CHIPoBLEWriteReceived.Data  = std::move(buf).UnsafeRelease();
 893         PlatformMgr().PostEvent(&event);
 894     }
 895
 896 exit:
 897     if (err != CHIP_NO_ERROR)
 898     {
 899         ChipLogError(DeviceLayer, "HandleRXCharWrite() failed: %s", ErrorStr(err));
 900     }
 901 }
 902
 903 void BLEManagerImpl::HandleTxConfirmationEvent(volatile sl_bt_msg_t * evt)
 904 {
 905     ChipDeviceEvent event;
 906     uint8_t timerHandle = sInstance.GetTimerHandle(evt->data.evt_gatt_server_characteristic_status.connection);
 907
 908     ChipLogProgress(DeviceLayer, "Tx Confirmation received");
 909
 910     // stop indication confirmation timer
 911     if (timerHandle < kMaxConnections)
 912     {
 913         ChipLogProgress(DeviceLayer, " stop soft timer");
 914         sl_bt_system_set_soft_timer(0, timerHandle, false);
 915     }
 916
 917     event.Type                          = DeviceEventType::kCHIPoBLEIndicateConfirm;
 918     event.CHIPoBLEIndicateConfirm.ConId = evt->data.evt_gatt_server_characteristic_status.connection;
 919     PlatformMgr().PostEvent(&event);
 920 }
 921
 922 void BLEManagerImpl::HandleSoftTimerEvent(volatile sl_bt_msg_t * evt)
 923 {
 924     // BLE Manager starts soft timers with timer handles less than kMaxConnections
 925     // If we receive a callback for unknown timer handle ignore this.
 926     if (evt->data.evt_system_soft_timer.handle < kMaxConnections)
 927     {
 928         ChipLogProgress(DeviceLayer, "BLEManagerImpl::HandleSoftTimerEvent CHIPOBLE_PROTOCOL_ABORT");
 929         ChipDeviceEvent event;
 930         event.Type                                                   = DeviceEventType::kCHIPoBLEConnectionError;
 931         event.CHIPoBLEConnectionError.ConId                          = mIndConfId[evt->data.evt_system_soft_timer.handle];
 932         sInstance.mIndConfId[evt->data.evt_system_soft_timer.handle] = kUnusedIndex;
 933         event.CHIPoBLEConnectionError.Reason                         = BLE_ERROR_CHIPOBLE_PROTOCOL_ABORT;
 934         PlatformMgr().PostEvent(&event);
 935     }
 936 }
 937
 938 bool BLEManagerImpl::RemoveConnection(uint8_t connectionHandle)
 939 {
 940     CHIPoBLEConState * bleConnState = GetConnectionState(connectionHandle, true);
 941     bool status                     = false;
 942
 943     if (bleConnState != NULL)
 944     {
 945         memset(bleConnState, 0, sizeof(CHIPoBLEConState));
 946         status = true;
 947     }
 948
 949     return status;
 950 }
 951
 952 void BLEManagerImpl::AddConnection(uint8_t connectionHandle, uint8_t bondingHandle)
 953 {
 954     CHIPoBLEConState * bleConnState = GetConnectionState(connectionHandle, true);
 955
 956     if (bleConnState != NULL)
 957     {
 958         memset(bleConnState, 0, sizeof(CHIPoBLEConState));
 959         bleConnState->allocated        = 1;
 960         bleConnState->connectionHandle = connectionHandle;
 961         bleConnState->bondingHandle    = bondingHandle;
 962     }
 963 }
 964
 965 BLEManagerImpl::CHIPoBLEConState * BLEManagerImpl::GetConnectionState(uint8_t connectionHandle, bool allocate)
 966 {
 967     uint8_t freeIndex = kMaxConnections;
 968
 969     for (uint8_t i = 0; i < kMaxConnections; i++)
 970     {
 971         if (mBleConnections[i].allocated == 1)
 972         {
 973             if (mBleConnections[i].connectionHandle == connectionHandle)
 974             {
 975                 return &mBleConnections[i];
 976             }
 977         }
 978
 979         else if (i < freeIndex)
 980         {
 981             freeIndex = i;
 982         }
 983     }
 984
 985     if (allocate)
 986     {
 987         if (freeIndex < kMaxConnections)
 988         {
 989             return &mBleConnections[freeIndex];
 990         }
 991
 992         ChipLogError(DeviceLayer, "Failed to allocate CHIPoBLEConState");
 993     }
 994
 995     return NULL;
 996 }
 997
 998 uint8_t BLEManagerImpl::GetTimerHandle(uint8_t connectionHandle, bool allocate)
 999 {
1000     uint8_t freeIndex = kMaxConnections;
1001
1002     for (uint8_t i = 0; i < kMaxConnections; i++)
1003     {
1004         if (mIndConfId[i] == connectionHandle)
1005         {
1006             return i;
1007         }
1008         else if (allocate)
1009         {
1010             if (i < freeIndex)
1011             {
1012                 freeIndex = i;
1013             }
1014         }
1015     }
1016
1017     if (freeIndex < kMaxConnections)
1018     {
1019         mIndConfId[freeIndex] = connectionHandle;
1020     }
1021     else
1022     {
1023         ChipLogError(DeviceLayer, "Failed to Save Conn Handle for indication");
1024     }
1025
1026     return freeIndex;
1027 }
1028
1029 void BLEManagerImpl::DriveBLEState(intptr_t arg)
1030 {
1031     sInstance.DriveBLEState();
1032 }
1033
1034 } // namespace Internal
1035 } // namespace DeviceLayer
1036 } // namespace chip
1037 #endif // CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE