| /* |
| * |
| * Copyright (c) 2020-2021 Project CHIP Authors |
| * Copyright (c) 2019 Nest Labs, Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * @file |
| * Provides an implementation of the BLEManager singleton object |
| * for the Silicon Labs EFR32 platforms. |
| */ |
| |
| /* this file behaves like a config.h, comes first */ |
| #include <platform/internal/CHIPDeviceLayerInternal.h> |
| #if CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE |
| |
| #include "sl_component_catalog.h" |
| |
| #include <platform/internal/BLEManager.h> |
| |
| #include "FreeRTOS.h" |
| #include "rail.h" |
| extern "C" { |
| #include "sl_bluetooth.h" |
| } |
| #include "sl_bt_api.h" |
| #include "sl_bt_stack_config.h" |
| #include "sl_bt_stack_init.h" |
| #include "timers.h" |
| #include <ble/Ble.h> |
| #include <crypto/RandUtils.h> |
| #include <cstring> |
| #include <lib/support/CodeUtils.h> |
| #include <lib/support/logging/CHIPLogging.h> |
| #include <platform/CommissionableDataProvider.h> |
| #include <platform/DeviceInstanceInfoProvider.h> |
| #include <sl_bt_rtos_adaptation.h> |
| |
| #if CHIP_ENABLE_ADDITIONAL_DATA_ADVERTISING |
| #include <setup_payload/AdditionalDataPayloadGenerator.h> |
| #endif |
| |
| #include <ProvisionChannel.h> |
| #include <ProvisionManager.h> |
| |
| using namespace ::chip; |
| using namespace ::chip::Ble; |
| |
| namespace chip { |
| namespace DeviceLayer { |
| namespace Internal { |
| |
| namespace { |
| |
| #define CHIP_ADV_DATA_TYPE_FLAGS 0x01 |
| #define CHIP_ADV_DATA_TYPE_UUID 0x03 |
| #define CHIP_ADV_DATA_TYPE_NAME 0x09 |
| #define CHIP_ADV_DATA_TYPE_SERVICE_DATA 0x16 |
| |
| #define CHIP_ADV_DATA_FLAGS 0x06 |
| |
| #define CHIP_ADV_DATA 0 |
| #define CHIP_ADV_SCAN_RESPONSE_DATA 1 |
| #define CHIP_ADV_SHORT_UUID_LEN 2 |
| |
| #define MAX_RESPONSE_DATA_LEN 31 |
| #define MAX_ADV_DATA_LEN 31 |
| |
| // Timer Frequency used. |
| #define TIMER_CLK_FREQ ((uint32_t) 32768) |
| // Convert msec to timer ticks. |
| #define TIMER_MS_2_TIMERTICK(ms) ((TIMER_CLK_FREQ * ms) / 1000) |
| #define TIMER_S_2_TIMERTICK(s) (TIMER_CLK_FREQ * s) |
| |
| #define BLE_MAX_BUFFER_SIZE (3076) |
| #define BLE_MAX_ADVERTISERS (1) |
| #define BLE_CONFIG_MAX_PERIODIC_ADVERTISING_SYNC (0) |
| #define BLE_CONFIG_MAX_SOFTWARE_TIMERS (4) |
| #define BLE_CONFIG_MIN_TX_POWER (-30) |
| #define BLE_CONFIG_MAX_TX_POWER (80) |
| #define BLE_CONFIG_RF_PATH_GAIN_TX (0) |
| #define BLE_CONFIG_RF_PATH_GAIN_RX (0) |
| |
| // Default Connection parameters |
| #define BLE_CONFIG_MIN_INTERVAL (16) // Time = Value x 1.25 ms = 30ms |
| #define BLE_CONFIG_MAX_INTERVAL (80) // Time = Value x 1.25 ms = 100ms |
| #define BLE_CONFIG_LATENCY (0) |
| #define BLE_CONFIG_TIMEOUT (100) // Time = Value x 10 ms = 1s |
| #define BLE_CONFIG_MIN_CE_LENGTH (0) // Leave to min value |
| #define BLE_CONFIG_MAX_CE_LENGTH (0xFFFF) // Leave to max value |
| |
| TimerHandle_t sbleAdvTimeoutTimer; // FreeRTOS sw timer. |
| |
| const uint8_t UUID_CHIPoBLEService[] = { 0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80, |
| 0x00, 0x10, 0x00, 0x00, 0xF6, 0xFF, 0x00, 0x00 }; |
| const uint8_t ShortUUID_CHIPoBLEService[] = { 0xF6, 0xFF }; |
| |
| bd_addr randomizedAddr = { 0 }; |
| |
| } // namespace |
| |
| BLEManagerImpl BLEManagerImpl::sInstance; |
| |
| CHIP_ERROR BLEManagerImpl::_Init() |
| { |
| // Initialize the CHIP BleLayer. |
| ReturnErrorOnFailure(BleLayer::Init(this, this, &DeviceLayer::SystemLayer())); |
| |
| memset(mBleConnections, 0, sizeof(mBleConnections)); |
| memset(mIndConfId, kUnusedIndex, sizeof(mIndConfId)); |
| mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Enabled; |
| |
| // Create FreeRTOS sw timer for BLE timeouts and interval change. |
| sbleAdvTimeoutTimer = xTimerCreate("BleAdvTimer", // Just a text name, not used by the RTOS kernel |
| pdMS_TO_TICKS(1), // == default timer period |
| false, // no timer reload (==one-shot) |
| (void *) this, // init timer id = ble obj context |
| BleAdvTimeoutHandler // timer callback handler |
| ); |
| |
| mFlags.ClearAll().Set(Flags::kAdvertisingEnabled, CHIP_DEVICE_CONFIG_CHIPOBLE_ENABLE_ADVERTISING_AUTOSTART); |
| mFlags.Set(Flags::kFastAdvertisingEnabled, true); |
| |
| // Check that an address was not already configured at boot. |
| // This covers the init-shutdown-init case to comply with the BLE address change at boot only requirement |
| bd_addr temp = { 0 }; |
| if (memcmp(&randomizedAddr, &temp, sizeof(bd_addr)) == 0) |
| { |
| // Since a random address is not configured, configure one |
| uint64_t random = Crypto::GetRandU64(); |
| // Copy random value to address. We don't care of the ordering since it's a random value. |
| memcpy(&randomizedAddr, &random, sizeof(randomizedAddr)); |
| |
| // Set two MSBs to 11 to properly the address - BLE Static Device Address requirement |
| randomizedAddr.addr[5] |= 0xC0; |
| } |
| |
| PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| return CHIP_NO_ERROR; |
| } |
| |
| uint16_t BLEManagerImpl::_NumConnections(void) |
| { |
| uint16_t numCons = 0; |
| for (uint16_t i = 0; i < kMaxConnections; i++) |
| { |
| if (mBleConnections[i].allocated) |
| { |
| numCons++; |
| } |
| } |
| |
| return numCons; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::_SetAdvertisingEnabled(bool val) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| |
| VerifyOrExit(mServiceMode != ConnectivityManager::kCHIPoBLEServiceMode_NotSupported, err = CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE); |
| |
| if (mFlags.Has(Flags::kAdvertisingEnabled) != val) |
| { |
| mFlags.Set(Flags::kAdvertisingEnabled, val); |
| PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| } |
| |
| exit: |
| return err; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::_SetAdvertisingMode(BLEAdvertisingMode mode) |
| { |
| switch (mode) |
| { |
| case BLEAdvertisingMode::kFastAdvertising: |
| mFlags.Set(Flags::kFastAdvertisingEnabled, true); |
| break; |
| case BLEAdvertisingMode::kSlowAdvertising: |
| mFlags.Set(Flags::kFastAdvertisingEnabled, false); |
| break; |
| default: |
| return CHIP_ERROR_INVALID_ARGUMENT; |
| } |
| mFlags.Set(Flags::kRestartAdvertising); |
| PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::_GetDeviceName(char * buf, size_t bufSize) |
| { |
| if (strlen(mDeviceName) >= bufSize) |
| { |
| return CHIP_ERROR_BUFFER_TOO_SMALL; |
| } |
| strcpy(buf, mDeviceName); |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::_SetDeviceName(const char * deviceName) |
| { |
| if (mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_NotSupported) |
| { |
| return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE; |
| } |
| if (deviceName != NULL && deviceName[0] != 0) |
| { |
| if (strlen(deviceName) >= kMaxDeviceNameLength) |
| { |
| return CHIP_ERROR_INVALID_ARGUMENT; |
| } |
| strcpy(mDeviceName, deviceName); |
| mFlags.Set(Flags::kDeviceNameSet); |
| mFlags.Set(Flags::kRestartAdvertising); |
| ChipLogProgress(DeviceLayer, "Setting device name to : \"%s\"", mDeviceName); |
| } |
| else |
| { |
| mDeviceName[0] = 0; |
| } |
| PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| return CHIP_NO_ERROR; |
| } |
| |
| void BLEManagerImpl::_OnPlatformEvent(const ChipDeviceEvent * event) |
| { |
| switch (event->Type) |
| { |
| case DeviceEventType::kCHIPoBLESubscribe: { |
| ChipDeviceEvent connEstEvent; |
| |
| ChipLogProgress(DeviceLayer, "_OnPlatformEvent kCHIPoBLESubscribe"); |
| HandleSubscribeReceived(event->CHIPoBLESubscribe.ConId, &CHIP_BLE_SVC_ID, &Ble::CHIP_BLE_CHAR_2_UUID); |
| connEstEvent.Type = DeviceEventType::kCHIPoBLEConnectionEstablished; |
| PlatformMgr().PostEventOrDie(&connEstEvent); |
| } |
| break; |
| |
| case DeviceEventType::kCHIPoBLEUnsubscribe: { |
| ChipLogProgress(DeviceLayer, "_OnPlatformEvent kCHIPoBLEUnsubscribe"); |
| HandleUnsubscribeReceived(event->CHIPoBLEUnsubscribe.ConId, &CHIP_BLE_SVC_ID, &Ble::CHIP_BLE_CHAR_2_UUID); |
| } |
| break; |
| |
| case DeviceEventType::kCHIPoBLEWriteReceived: { |
| ChipLogProgress(DeviceLayer, "_OnPlatformEvent kCHIPoBLEWriteReceived"); |
| HandleWriteReceived(event->CHIPoBLEWriteReceived.ConId, &CHIP_BLE_SVC_ID, &Ble::CHIP_BLE_CHAR_1_UUID, |
| PacketBufferHandle::Adopt(event->CHIPoBLEWriteReceived.Data)); |
| } |
| break; |
| |
| case DeviceEventType::kCHIPoBLEConnectionError: { |
| ChipLogProgress(DeviceLayer, "_OnPlatformEvent kCHIPoBLEConnectionError"); |
| HandleConnectionError(event->CHIPoBLEConnectionError.ConId, event->CHIPoBLEConnectionError.Reason); |
| } |
| break; |
| |
| case DeviceEventType::kCHIPoBLEIndicateConfirm: { |
| ChipLogProgress(DeviceLayer, "_OnPlatformEvent kCHIPoBLEIndicateConfirm"); |
| HandleIndicationConfirmation(event->CHIPoBLEIndicateConfirm.ConId, &CHIP_BLE_SVC_ID, &Ble::CHIP_BLE_CHAR_2_UUID); |
| } |
| break; |
| |
| default: |
| ChipLogProgress(DeviceLayer, "_OnPlatformEvent default: event->Type = %d", event->Type); |
| break; |
| } |
| } |
| |
| CHIP_ERROR BLEManagerImpl::SubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, |
| const ChipBleUUID * charId) |
| { |
| ChipLogProgress(DeviceLayer, "BLEManagerImpl::SubscribeCharacteristic() not supported"); |
| return CHIP_ERROR_NOT_IMPLEMENTED; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::UnsubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, |
| const ChipBleUUID * charId) |
| { |
| ChipLogProgress(DeviceLayer, "BLEManagerImpl::UnsubscribeCharacteristic() not supported"); |
| return CHIP_ERROR_NOT_IMPLEMENTED; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::CloseConnection(BLE_CONNECTION_OBJECT conId) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| sl_status_t ret; |
| |
| ChipLogProgress(DeviceLayer, "Closing BLE GATT connection (con %u)", conId); |
| |
| ret = sl_bt_connection_close(conId); |
| err = MapBLEError(ret); |
| |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "sl_bt_connection_close() failed: %s", ErrorStr(err)); |
| } |
| |
| return err; |
| } |
| |
| uint16_t BLEManagerImpl::GetMTU(BLE_CONNECTION_OBJECT conId) const |
| { |
| CHIPoBLEConState * conState = const_cast<BLEManagerImpl *>(this)->GetConnectionState(conId); |
| return (conState != NULL) ? conState->mtu : 0; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::SendIndication(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId, |
| PacketBufferHandle data) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| CHIPoBLEConState * conState = GetConnectionState(conId); |
| sl_status_t ret; |
| uint16_t cId = (UUIDsMatch(&Ble::CHIP_BLE_CHAR_1_UUID, charId) ? gattdb_CHIPoBLEChar_Rx : gattdb_CHIPoBLEChar_Tx); |
| uint8_t timerHandle = GetTimerHandle(conId, true); |
| |
| VerifyOrExit(((conState != NULL) && (conState->subscribed != 0)), err = CHIP_ERROR_INVALID_ARGUMENT); |
| VerifyOrExit(timerHandle != kMaxConnections, err = CHIP_ERROR_NO_MEMORY); |
| |
| // start timer for light indication confirmation. Long delay for spake2 indication |
| sl_bt_system_set_lazy_soft_timer(TIMER_S_2_TIMERTICK(6), 0, timerHandle, true); |
| |
| ret = sl_bt_gatt_server_send_indication(conId, cId, (data->DataLength()), data->Start()); |
| err = MapBLEError(ret); |
| |
| exit: |
| return err; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::SendWriteRequest(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId, |
| PacketBufferHandle pBuf) |
| { |
| ChipLogProgress(DeviceLayer, "BLEManagerImpl::SendWriteRequest() not supported"); |
| return CHIP_ERROR_NOT_IMPLEMENTED; |
| } |
| |
| void BLEManagerImpl::NotifyChipConnectionClosed(BLE_CONNECTION_OBJECT conId) |
| { |
| // Nothing to do |
| } |
| |
| CHIP_ERROR BLEManagerImpl::MapBLEError(int bleErr) |
| { |
| switch (bleErr) |
| { |
| case SL_STATUS_OK: |
| return CHIP_NO_ERROR; |
| case SL_STATUS_BT_ATT_INVALID_ATT_LENGTH: |
| return CHIP_ERROR_INVALID_STRING_LENGTH; |
| case SL_STATUS_INVALID_PARAMETER: |
| return CHIP_ERROR_INVALID_ARGUMENT; |
| case SL_STATUS_INVALID_STATE: |
| return CHIP_ERROR_INCORRECT_STATE; |
| case SL_STATUS_NOT_SUPPORTED: |
| return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE; |
| default: |
| return CHIP_ERROR(ChipError::Range::kPlatform, bleErr + CHIP_DEVICE_CONFIG_SILABS_BLE_ERROR_MIN); |
| } |
| } |
| |
| void BLEManagerImpl::DriveBLEState(void) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| |
| // Check if BLE stack is initialized |
| VerifyOrExit(mFlags.Has(Flags::kEFRBLEStackInitialized), /* */); |
| |
| // Start advertising if needed... |
| if (mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_Enabled && mFlags.Has(Flags::kAdvertisingEnabled) && |
| NumConnections() < kMaxConnections) |
| { |
| // Start/re-start advertising if not already started, or if there is a pending change |
| // to the advertising configuration. |
| if (!mFlags.Has(Flags::kAdvertising) || mFlags.Has(Flags::kRestartAdvertising)) |
| { |
| err = StartAdvertising(); |
| SuccessOrExit(err); |
| } |
| } |
| |
| // Otherwise, stop advertising if it is enabled. |
| else if (mFlags.Has(Flags::kAdvertising)) |
| { |
| err = StopAdvertising(); |
| SuccessOrExit(err); |
| } |
| |
| exit: |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "Disabling CHIPoBLE service due to error: %s", ErrorStr(err)); |
| mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Disabled; |
| } |
| } |
| |
| CHIP_ERROR BLEManagerImpl::ConfigureAdvertisingData(void) |
| { |
| sl_status_t ret; |
| ChipBLEDeviceIdentificationInfo mDeviceIdInfo; |
| CHIP_ERROR err; |
| uint8_t responseData[MAX_RESPONSE_DATA_LEN]; |
| uint8_t advData[MAX_ADV_DATA_LEN]; |
| uint32_t index = 0; |
| uint32_t mDeviceNameLength = 0; |
| uint8_t mDeviceIdInfoLength = 0; |
| |
| VerifyOrExit((kMaxDeviceNameLength + 1) < UINT8_MAX, err = CHIP_ERROR_INVALID_ARGUMENT); |
| |
| memset(responseData, 0, MAX_RESPONSE_DATA_LEN); |
| memset(advData, 0, MAX_ADV_DATA_LEN); |
| |
| err = ConfigurationMgr().GetBLEDeviceIdentificationInfo(mDeviceIdInfo); |
| SuccessOrExit(err); |
| |
| if (!mFlags.Has(Flags::kDeviceNameSet)) |
| { |
| uint16_t discriminator; |
| SuccessOrExit(err = GetCommissionableDataProvider()->GetSetupDiscriminator(discriminator)); |
| |
| snprintf(mDeviceName, sizeof(mDeviceName), "%s%04u", CHIP_DEVICE_CONFIG_BLE_DEVICE_NAME_PREFIX, discriminator); |
| |
| mDeviceName[kMaxDeviceNameLength] = 0; |
| mDeviceNameLength = strlen(mDeviceName); |
| |
| VerifyOrExit(mDeviceNameLength < kMaxDeviceNameLength, err = CHIP_ERROR_INVALID_ARGUMENT); |
| } |
| |
| mDeviceNameLength = strlen(mDeviceName); // Device Name length + length field |
| VerifyOrExit(mDeviceNameLength < kMaxDeviceNameLength, err = CHIP_ERROR_INVALID_ARGUMENT); |
| static_assert((kUUIDTlvSize + kDeviceNameTlvSize) <= MAX_RESPONSE_DATA_LEN, "Scan Response buffer is too small"); |
| |
| mDeviceIdInfoLength = sizeof(mDeviceIdInfo); // Servicedatalen + length+ UUID (Short) |
| static_assert(sizeof(mDeviceIdInfo) + CHIP_ADV_SHORT_UUID_LEN + 1 <= UINT8_MAX, "Our length won't fit in a uint8_t"); |
| static_assert(2 + CHIP_ADV_SHORT_UUID_LEN + sizeof(mDeviceIdInfo) + 1 <= MAX_ADV_DATA_LEN, "Our buffer is not big enough"); |
| |
| index = 0; |
| advData[index++] = 0x02; // length |
| advData[index++] = CHIP_ADV_DATA_TYPE_FLAGS; // AD type : flags |
| advData[index++] = CHIP_ADV_DATA_FLAGS; // AD value |
| advData[index++] = static_cast<uint8_t>(mDeviceIdInfoLength + CHIP_ADV_SHORT_UUID_LEN + 1); // AD length |
| advData[index++] = CHIP_ADV_DATA_TYPE_SERVICE_DATA; // AD type : Service Data |
| advData[index++] = ShortUUID_CHIPoBLEService[0]; // AD value |
| advData[index++] = ShortUUID_CHIPoBLEService[1]; |
| |
| #if CHIP_DEVICE_CONFIG_BLE_EXT_ADVERTISING |
| // Check for extended advertisement interval and redact VID/PID if past the initial period. |
| if (mFlags.Has(Flags::kExtAdvertisingEnabled)) |
| { |
| mDeviceIdInfo.SetVendorId(0); |
| mDeviceIdInfo.SetProductId(0); |
| mDeviceIdInfo.SetExtendedAnnouncementFlag(true); |
| } |
| #endif |
| |
| memcpy(&advData[index], (void *) &mDeviceIdInfo, mDeviceIdInfoLength); // AD value |
| index += mDeviceIdInfoLength; |
| |
| #if CHIP_ENABLE_ADDITIONAL_DATA_ADVERTISING |
| ReturnErrorOnFailure(EncodeAdditionalDataTlv()); |
| #endif |
| |
| if (advertising_set_handle == 0xff) |
| { |
| ret = sl_bt_advertiser_create_set(&advertising_set_handle); |
| VerifyOrExit(ret == SL_STATUS_OK, { |
| err = MapBLEError(ret); |
| ChipLogError(DeviceLayer, "sl_bt_advertiser_create_set() failed: %s", ErrorStr(err)); |
| }); |
| |
| ret = |
| sl_bt_advertiser_set_random_address(advertising_set_handle, sl_bt_gap_static_address, randomizedAddr, &randomizedAddr); |
| VerifyOrExit(ret == SL_STATUS_OK, { |
| err = MapBLEError(ret); |
| ChipLogError(DeviceLayer, "sl_bt_advertiser_set_random_address() failed: %s", ErrorStr(err)); |
| }); |
| ChipLogDetail(DeviceLayer, "BLE Static Device Address %02X:%02X:%02X:%02X:%02X:%02X", randomizedAddr.addr[5], |
| randomizedAddr.addr[4], randomizedAddr.addr[3], randomizedAddr.addr[2], randomizedAddr.addr[1], |
| randomizedAddr.addr[0]); |
| } |
| |
| ret = sl_bt_legacy_advertiser_set_data(advertising_set_handle, sl_bt_advertiser_advertising_data_packet, index, |
| (uint8_t *) advData); |
| |
| VerifyOrExit(ret == SL_STATUS_OK, { |
| err = MapBLEError(ret); |
| ChipLogError(DeviceLayer, "sl_bt_legacy_advertiser_set_data() - Advertising Data failed: %s", ErrorStr(err)); |
| }); |
| |
| index = 0; |
| |
| responseData[index++] = CHIP_ADV_SHORT_UUID_LEN + 1; // AD length |
| responseData[index++] = CHIP_ADV_DATA_TYPE_UUID; // AD type : uuid |
| responseData[index++] = ShortUUID_CHIPoBLEService[0]; // AD value |
| responseData[index++] = ShortUUID_CHIPoBLEService[1]; |
| |
| responseData[index++] = static_cast<uint8_t>(mDeviceNameLength + 1); // length |
| responseData[index++] = CHIP_ADV_DATA_TYPE_NAME; // AD type : name |
| memcpy(&responseData[index], mDeviceName, mDeviceNameLength); // AD value |
| index += mDeviceNameLength; |
| |
| ret = sl_bt_legacy_advertiser_set_data(advertising_set_handle, sl_bt_advertiser_scan_response_packet, index, |
| (uint8_t *) responseData); |
| |
| VerifyOrExit(ret == SL_STATUS_OK, { |
| err = MapBLEError(ret); |
| ChipLogError(DeviceLayer, "sl_bt_legacy_advertiser_set_data() - Scan Response failed: %s", ErrorStr(err)); |
| }); |
| |
| err = MapBLEError(ret); |
| |
| exit: |
| return err; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::StartAdvertising(void) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| sl_status_t ret = SL_STATUS_OK; |
| uint32_t interval_min = 0; |
| uint32_t interval_max = 0; |
| uint16_t numConnectionss = NumConnections(); |
| bool postAdvChangeEvent = false; |
| uint8_t connectableAdv = |
| (numConnectionss < kMaxConnections) ? sl_bt_advertiser_connectable_scannable : sl_bt_advertiser_scannable_non_connectable; |
| |
| // If already advertising, stop it, before changing values |
| if (mFlags.Has(Flags::kAdvertising)) |
| { |
| sl_bt_advertiser_stop(advertising_set_handle); |
| } |
| else |
| { |
| ChipLogDetail(DeviceLayer, "Start BLE advertisement"); |
| postAdvChangeEvent = true; |
| } |
| |
| err = ConfigureAdvertisingData(); |
| SuccessOrExit(err); |
| |
| mFlags.Clear(Flags::kRestartAdvertising); |
| |
| if (mFlags.Has(Flags::kFastAdvertisingEnabled)) |
| { |
| interval_min = CHIP_DEVICE_CONFIG_BLE_FAST_ADVERTISING_INTERVAL_MIN; |
| interval_max = CHIP_DEVICE_CONFIG_BLE_FAST_ADVERTISING_INTERVAL_MAX; |
| } |
| else |
| { |
| #if CHIP_DEVICE_CONFIG_BLE_EXT_ADVERTISING |
| if (!mFlags.Has(Flags::kExtAdvertisingEnabled)) |
| { |
| interval_min = CHIP_DEVICE_CONFIG_BLE_SLOW_ADVERTISING_INTERVAL_MIN; |
| interval_max = CHIP_DEVICE_CONFIG_BLE_SLOW_ADVERTISING_INTERVAL_MAX; |
| } |
| else |
| { |
| interval_min = CHIP_DEVICE_CONFIG_BLE_EXT_ADVERTISING_INTERVAL_MIN; |
| interval_max = CHIP_DEVICE_CONFIG_BLE_EXT_ADVERTISING_INTERVAL_MAX; |
| } |
| #else |
| interval_min = CHIP_DEVICE_CONFIG_BLE_SLOW_ADVERTISING_INTERVAL_MIN; |
| interval_max = CHIP_DEVICE_CONFIG_BLE_SLOW_ADVERTISING_INTERVAL_MAX; |
| #endif |
| } |
| |
| ChipLogProgress(DeviceLayer, "Starting advertising with interval_min=%u, intverval_max=%u (units of 625us)", |
| static_cast<unsigned>(interval_min), static_cast<unsigned>(interval_max)); |
| ret = sl_bt_advertiser_set_timing(advertising_set_handle, interval_min, interval_max, 0, 0); |
| err = MapBLEError(ret); |
| SuccessOrExit(err); |
| |
| sl_bt_advertiser_configure(advertising_set_handle, 1); |
| |
| ret = sl_bt_legacy_advertiser_start(advertising_set_handle, connectableAdv); |
| err = MapBLEError(ret); |
| SuccessOrExit(err); |
| |
| if (mFlags.Has(Flags::kFastAdvertisingEnabled)) |
| { |
| StartBleAdvTimeoutTimer(CHIP_DEVICE_CONFIG_BLE_ADVERTISING_INTERVAL_CHANGE_TIME); |
| } |
| mFlags.Set(Flags::kAdvertising); |
| |
| if (postAdvChangeEvent) |
| { |
| // Post CHIPoBLEAdvertisingChange event. |
| ChipDeviceEvent advChange; |
| advChange.Type = DeviceEventType::kCHIPoBLEAdvertisingChange; |
| advChange.CHIPoBLEAdvertisingChange.Result = kActivity_Started; |
| |
| ReturnErrorOnFailure(PlatformMgr().PostEvent(&advChange)); |
| } |
| |
| exit: |
| return err; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::StopAdvertising(void) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| |
| if (mFlags.Has(Flags::kAdvertising)) |
| { |
| sl_status_t ret = SL_STATUS_OK; |
| |
| mFlags.Clear(Flags::kAdvertising).Clear(Flags::kRestartAdvertising); |
| mFlags.Set(Flags::kFastAdvertisingEnabled, true); |
| |
| ret = sl_bt_advertiser_stop(advertising_set_handle); |
| sl_bt_advertiser_clear_random_address(advertising_set_handle); |
| |
| sl_bt_advertiser_delete_set(advertising_set_handle); |
| advertising_set_handle = 0xff; |
| err = MapBLEError(ret); |
| VerifyOrReturnError(err == CHIP_NO_ERROR, err); |
| |
| CancelBleAdvTimeoutTimer(); |
| |
| // Post CHIPoBLEAdvertisingChange event. |
| ChipDeviceEvent advChange; |
| advChange.Type = DeviceEventType::kCHIPoBLEAdvertisingChange; |
| advChange.CHIPoBLEAdvertisingChange.Result = kActivity_Stopped; |
| err = PlatformMgr().PostEvent(&advChange); |
| } |
| |
| return err; |
| } |
| |
| void BLEManagerImpl::UpdateMtu(volatile sl_bt_msg_t * evt) |
| { |
| CHIPoBLEConState * bleConnState = GetConnectionState(evt->data.evt_gatt_mtu_exchanged.connection); |
| if (bleConnState != NULL) |
| { |
| // bleConnState->MTU is a 10-bit field inside a uint16_t. We're |
| // assigning to it from a uint16_t, and compilers warn about |
| // possibly not fitting. There's no way to suppress that warning |
| // via explicit cast; we have to disable the warning around the |
| // assignment. |
| // |
| // TODO: https://github.com/project-chip/connectedhomeip/issues/2569 |
| // tracks making this safe with a check or explaining why no check |
| // is needed. |
| #pragma GCC diagnostic push |
| #pragma GCC diagnostic ignored "-Wconversion" |
| bleConnState->mtu = evt->data.evt_gatt_mtu_exchanged.mtu; |
| #pragma GCC diagnostic pop |
| ; |
| } |
| } |
| |
| void BLEManagerImpl::HandleBootEvent(void) |
| { |
| mFlags.Set(Flags::kEFRBLEStackInitialized); |
| PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| } |
| |
| void BLEManagerImpl::HandleConnectEvent(volatile sl_bt_msg_t * evt) |
| { |
| sl_bt_evt_connection_opened_t * conn_evt = (sl_bt_evt_connection_opened_t *) &(evt->data); |
| uint8_t connHandle = conn_evt->connection; |
| uint8_t bondingHandle = conn_evt->bonding; |
| |
| ChipLogProgress(DeviceLayer, "Connect Event for handle : %d", connHandle); |
| |
| AddConnection(connHandle, bondingHandle); |
| |
| PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| } |
| |
| void BLEManagerImpl::HandleConnectionCloseEvent(volatile sl_bt_msg_t * evt) |
| { |
| sl_bt_evt_connection_closed_t * conn_evt = (sl_bt_evt_connection_closed_t *) &(evt->data); |
| uint8_t connHandle = conn_evt->connection; |
| |
| ChipLogProgress(DeviceLayer, "Disconnect Event for handle : %d", connHandle); |
| |
| if (RemoveConnection(connHandle)) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kCHIPoBLEConnectionError; |
| event.CHIPoBLEConnectionError.ConId = connHandle; |
| |
| switch (conn_evt->reason) |
| { |
| case SL_STATUS_BT_CTRL_REMOTE_USER_TERMINATED: |
| case SL_STATUS_BT_CTRL_REMOTE_DEVICE_TERMINATED_CONNECTION_DUE_TO_LOW_RESOURCES: |
| case SL_STATUS_BT_CTRL_REMOTE_POWERING_OFF: |
| event.CHIPoBLEConnectionError.Reason = BLE_ERROR_REMOTE_DEVICE_DISCONNECTED; |
| break; |
| |
| case SL_STATUS_BT_CTRL_CONNECTION_TERMINATED_BY_LOCAL_HOST: |
| event.CHIPoBLEConnectionError.Reason = BLE_ERROR_APP_CLOSED_CONNECTION; |
| break; |
| |
| default: |
| event.CHIPoBLEConnectionError.Reason = BLE_ERROR_CHIPOBLE_PROTOCOL_ABORT; |
| break; |
| } |
| |
| ChipLogProgress(DeviceLayer, "BLE GATT connection closed (con %u, reason %u)", connHandle, conn_evt->reason); |
| |
| PlatformMgr().PostEventOrDie(&event); |
| |
| // Arrange to re-enable connectable advertising in case it was disabled due to the |
| // maximum connection limit being reached. |
| mFlags.Set(Flags::kRestartAdvertising); |
| mFlags.Set(Flags::kFastAdvertisingEnabled); |
| PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| } |
| } |
| |
| void BLEManagerImpl::HandleWriteEvent(volatile sl_bt_msg_t * evt) |
| { |
| uint16_t attribute = evt->data.evt_gatt_server_user_write_request.characteristic; |
| bool do_provision = chip::DeviceLayer::Silabs::Provision::Manager::GetInstance().IsProvisionRequired(); |
| ChipLogProgress(DeviceLayer, "Char Write Req, char : %d", attribute); |
| |
| if (gattdb_CHIPoBLEChar_Rx == attribute) |
| { |
| if (do_provision) |
| { |
| chip::DeviceLayer::Silabs::Provision::Channel::Update(attribute); |
| chip::DeviceLayer::Silabs::Provision::Manager::GetInstance().Step(); |
| } |
| else |
| { |
| HandleRXCharWrite(evt); |
| } |
| } |
| } |
| |
| void BLEManagerImpl::HandleTXCharCCCDWrite(volatile sl_bt_msg_t * evt) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| CHIPoBLEConState * bleConnState; |
| bool isIndicationEnabled = false; |
| ChipDeviceEvent event; |
| |
| bleConnState = GetConnectionState(evt->data.evt_gatt_server_user_write_request.connection); |
| VerifyOrExit(bleConnState != NULL, err = CHIP_ERROR_NO_MEMORY); |
| |
| // Determine if the client is enabling or disabling notification/indication. |
| isIndicationEnabled = (evt->data.evt_gatt_server_characteristic_status.client_config_flags == sl_bt_gatt_indication); |
| |
| ChipLogProgress(DeviceLayer, "HandleTXcharCCCDWrite - Config Flags value : %d", |
| evt->data.evt_gatt_server_characteristic_status.client_config_flags); |
| ChipLogProgress(DeviceLayer, "CHIPoBLE %s received", isIndicationEnabled ? "subscribe" : "unsubscribe"); |
| |
| if (isIndicationEnabled) |
| { |
| // If indications are not already enabled for the connection... |
| if (!bleConnState->subscribed) |
| { |
| bleConnState->subscribed = 1; |
| // Post an event to the CHIP queue to process either a CHIPoBLE Subscribe or Unsubscribe based on |
| // whether the client is enabling or disabling indications. |
| { |
| event.Type = DeviceEventType::kCHIPoBLESubscribe; |
| event.CHIPoBLESubscribe.ConId = evt->data.evt_gatt_server_user_write_request.connection; |
| err = PlatformMgr().PostEvent(&event); |
| } |
| } |
| } |
| else |
| { |
| bleConnState->subscribed = 0; |
| event.Type = DeviceEventType::kCHIPoBLEUnsubscribe; |
| event.CHIPoBLESubscribe.ConId = evt->data.evt_gatt_server_user_write_request.connection; |
| err = PlatformMgr().PostEvent(&event); |
| } |
| |
| exit: |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "HandleTXCharCCCDWrite() failed: %s", ErrorStr(err)); |
| } |
| } |
| |
| void BLEManagerImpl::HandleRXCharWrite(volatile sl_bt_msg_t * evt) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| System::PacketBufferHandle buf; |
| uint16_t writeLen = evt->data.evt_gatt_server_user_write_request.value.len; |
| uint8_t * data = (uint8_t *) evt->data.evt_gatt_server_user_write_request.value.data; |
| |
| // Copy the data to a packet buffer. |
| buf = System::PacketBufferHandle::NewWithData(data, writeLen, 0, 0); |
| VerifyOrExit(!buf.IsNull(), err = CHIP_ERROR_NO_MEMORY); |
| |
| ChipLogDetail(DeviceLayer, "Write request/command received for CHIPoBLE RX characteristic (con %u, len %u)", |
| evt->data.evt_gatt_server_user_write_request.connection, buf->DataLength()); |
| |
| // Post an event to the CHIP queue to deliver the data into the CHIP stack. |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kCHIPoBLEWriteReceived; |
| event.CHIPoBLEWriteReceived.ConId = evt->data.evt_gatt_server_user_write_request.connection; |
| event.CHIPoBLEWriteReceived.Data = std::move(buf).UnsafeRelease(); |
| err = PlatformMgr().PostEvent(&event); |
| } |
| |
| exit: |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "HandleRXCharWrite() failed: %s", ErrorStr(err)); |
| } |
| } |
| |
| void BLEManagerImpl::HandleTxConfirmationEvent(BLE_CONNECTION_OBJECT conId) |
| { |
| ChipDeviceEvent event; |
| uint8_t timerHandle = sInstance.GetTimerHandle(conId, false); |
| |
| ChipLogProgress(DeviceLayer, "Tx Confirmation received"); |
| |
| // stop indication confirmation timer |
| if (timerHandle < kMaxConnections) |
| { |
| ChipLogProgress(DeviceLayer, " stop soft timer"); |
| sl_bt_system_set_lazy_soft_timer(0, 0, timerHandle, false); |
| } |
| |
| event.Type = DeviceEventType::kCHIPoBLEIndicateConfirm; |
| event.CHIPoBLEIndicateConfirm.ConId = conId; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::HandleSoftTimerEvent(volatile sl_bt_msg_t * evt) |
| { |
| // BLE Manager starts soft timers with timer handles less than kMaxConnections |
| // If we receive a callback for unknown timer handle ignore this. |
| if (evt->data.evt_system_soft_timer.handle < kMaxConnections) |
| { |
| ChipLogProgress(DeviceLayer, "BLEManagerImpl::HandleSoftTimerEvent CHIPOBLE_PROTOCOL_ABORT"); |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kCHIPoBLEConnectionError; |
| event.CHIPoBLEConnectionError.ConId = mIndConfId[evt->data.evt_system_soft_timer.handle]; |
| sInstance.mIndConfId[evt->data.evt_system_soft_timer.handle] = kUnusedIndex; |
| event.CHIPoBLEConnectionError.Reason = BLE_ERROR_CHIPOBLE_PROTOCOL_ABORT; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| } |
| |
| bool BLEManagerImpl::RemoveConnection(uint8_t connectionHandle) |
| { |
| CHIPoBLEConState * bleConnState = GetConnectionState(connectionHandle, true); |
| bool status = false; |
| |
| if (bleConnState != NULL) |
| { |
| memset(bleConnState, 0, sizeof(CHIPoBLEConState)); |
| status = true; |
| } |
| |
| return status; |
| } |
| |
| void BLEManagerImpl::AddConnection(uint8_t connectionHandle, uint8_t bondingHandle) |
| { |
| CHIPoBLEConState * bleConnState = GetConnectionState(connectionHandle, true); |
| |
| if (bleConnState != NULL) |
| { |
| memset(bleConnState, 0, sizeof(CHIPoBLEConState)); |
| bleConnState->allocated = 1; |
| bleConnState->connectionHandle = connectionHandle; |
| bleConnState->bondingHandle = bondingHandle; |
| } |
| } |
| |
| BLEManagerImpl::CHIPoBLEConState * BLEManagerImpl::GetConnectionState(uint8_t connectionHandle, bool allocate) |
| { |
| uint8_t freeIndex = kMaxConnections; |
| |
| for (uint8_t i = 0; i < kMaxConnections; i++) |
| { |
| if (mBleConnections[i].allocated == 1) |
| { |
| if (mBleConnections[i].connectionHandle == connectionHandle) |
| { |
| return &mBleConnections[i]; |
| } |
| } |
| |
| else if (i < freeIndex) |
| { |
| freeIndex = i; |
| } |
| } |
| |
| if (allocate) |
| { |
| if (freeIndex < kMaxConnections) |
| { |
| return &mBleConnections[freeIndex]; |
| } |
| |
| ChipLogError(DeviceLayer, "Failed to allocate CHIPoBLEConState"); |
| } |
| |
| return NULL; |
| } |
| |
| #if CHIP_ENABLE_ADDITIONAL_DATA_ADVERTISING |
| CHIP_ERROR BLEManagerImpl::EncodeAdditionalDataTlv() |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| BitFlags<AdditionalDataFields> additionalDataFields; |
| AdditionalDataPayloadGeneratorParams additionalDataPayloadParams; |
| |
| #if CHIP_ENABLE_ROTATING_DEVICE_ID && defined(CHIP_DEVICE_CONFIG_ROTATING_DEVICE_ID_UNIQUE_ID) |
| uint8_t rotatingDeviceIdUniqueId[ConfigurationManager::kRotatingDeviceIDUniqueIDLength] = {}; |
| MutableByteSpan rotatingDeviceIdUniqueIdSpan(rotatingDeviceIdUniqueId); |
| |
| err = DeviceLayer::GetDeviceInstanceInfoProvider()->GetRotatingDeviceIdUniqueId(rotatingDeviceIdUniqueIdSpan); |
| SuccessOrExit(err); |
| err = ConfigurationMgr().GetLifetimeCounter(additionalDataPayloadParams.rotatingDeviceIdLifetimeCounter); |
| SuccessOrExit(err); |
| additionalDataPayloadParams.rotatingDeviceIdUniqueId = rotatingDeviceIdUniqueIdSpan; |
| additionalDataFields.Set(AdditionalDataFields::RotatingDeviceId); |
| #endif /* CHIP_ENABLE_ROTATING_DEVICE_ID && defined(CHIP_DEVICE_CONFIG_ROTATING_DEVICE_ID_UNIQUE_ID) */ |
| |
| err = AdditionalDataPayloadGenerator().generateAdditionalDataPayload(additionalDataPayloadParams, c3AdditionalDataBufferHandle, |
| additionalDataFields); |
| |
| exit: |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "Failed to generate TLV encoded Additional Data (%s)", __func__); |
| } |
| |
| return err; |
| } |
| |
| void BLEManagerImpl::HandleC3ReadRequest(volatile sl_bt_msg_t * evt) |
| { |
| sl_bt_evt_gatt_server_user_read_request_t * readReq = |
| (sl_bt_evt_gatt_server_user_read_request_t *) &(evt->data.evt_gatt_server_user_read_request); |
| ChipLogDetail(DeviceLayer, "Read request received for CHIPoBLEChar_C3 - opcode:%d", readReq->att_opcode); |
| sl_status_t ret = sl_bt_gatt_server_send_user_read_response(readReq->connection, readReq->characteristic, 0, |
| sInstance.c3AdditionalDataBufferHandle->DataLength(), |
| sInstance.c3AdditionalDataBufferHandle->Start(), nullptr); |
| |
| if (ret != SL_STATUS_OK) |
| { |
| ChipLogDetail(DeviceLayer, "Failed to send read response, err:%ld", ret); |
| } |
| } |
| #endif // CHIP_ENABLE_ADDITIONAL_DATA_ADVERTISING |
| |
| uint8_t BLEManagerImpl::GetTimerHandle(uint8_t connectionHandle, bool allocate) |
| { |
| uint8_t freeIndex = kMaxConnections; |
| |
| for (uint8_t i = 0; i < kMaxConnections; i++) |
| { |
| if (mIndConfId[i] == connectionHandle) |
| { |
| return i; |
| } |
| else if (allocate) |
| { |
| if (i < freeIndex) |
| { |
| freeIndex = i; |
| } |
| } |
| } |
| |
| if (freeIndex < kMaxConnections) |
| { |
| mIndConfId[freeIndex] = connectionHandle; |
| } |
| else |
| { |
| ChipLogError(DeviceLayer, "Failed to Save Conn Handle for indication"); |
| } |
| |
| return freeIndex; |
| } |
| |
| void BLEManagerImpl::BleAdvTimeoutHandler(TimerHandle_t xTimer) |
| { |
| if (BLEMgrImpl().mFlags.Has(Flags::kFastAdvertisingEnabled)) |
| { |
| ChipLogDetail(DeviceLayer, "bleAdv Timeout : Start slow advertisement"); |
| BLEMgrImpl().mFlags.Set(Flags::kAdvertising); |
| BLEMgr().SetAdvertisingMode(BLEAdvertisingMode::kSlowAdvertising); |
| #if CHIP_DEVICE_CONFIG_BLE_EXT_ADVERTISING |
| BLEMgrImpl().mFlags.Clear(Flags::kExtAdvertisingEnabled); |
| BLEMgrImpl().StartBleAdvTimeoutTimer(CHIP_DEVICE_CONFIG_BLE_EXT_ADVERTISING_INTERVAL_CHANGE_TIME_MS); |
| #endif |
| } |
| #if CHIP_DEVICE_CONFIG_BLE_EXT_ADVERTISING |
| else |
| { |
| ChipLogDetail(DeviceLayer, "bleAdv Timeout : Start extended advertisement"); |
| BLEMgrImpl().mFlags.Set(Flags::kAdvertising); |
| BLEMgrImpl().mFlags.Set(Flags::kExtAdvertisingEnabled); |
| BLEMgr().SetAdvertisingMode(BLEAdvertisingMode::kSlowAdvertising); |
| } |
| #endif |
| } |
| |
| void BLEManagerImpl::CancelBleAdvTimeoutTimer(void) |
| { |
| if (xTimerStop(sbleAdvTimeoutTimer, pdMS_TO_TICKS(0)) == pdFAIL) |
| { |
| ChipLogError(DeviceLayer, "Failed to stop BledAdv timeout timer"); |
| } |
| } |
| |
| void BLEManagerImpl::StartBleAdvTimeoutTimer(uint32_t aTimeoutInMs) |
| { |
| if (xTimerIsTimerActive(sbleAdvTimeoutTimer)) |
| { |
| CancelBleAdvTimeoutTimer(); |
| } |
| |
| // timer is not active, change its period to required value (== restart). |
| // FreeRTOS- Block for a maximum of 100 ticks if the change period command |
| // cannot immediately be sent to the timer command queue. |
| if (xTimerChangePeriod(sbleAdvTimeoutTimer, pdMS_TO_TICKS(aTimeoutInMs), pdMS_TO_TICKS(100)) != pdPASS) |
| { |
| ChipLogError(DeviceLayer, "Failed to start BledAdv timeout timer"); |
| } |
| } |
| |
| void BLEManagerImpl::DriveBLEState(intptr_t arg) |
| { |
| sInstance.DriveBLEState(); |
| } |
| |
| } // namespace Internal |
| } // namespace DeviceLayer |
| } // namespace chip |
| |
| extern "C" void sl_bt_on_event(sl_bt_msg_t * evt) |
| { |
| // As this is running in a separate thread, we need to block CHIP from operating, |
| // until the events are handled. |
| chip::DeviceLayer::PlatformMgr().LockChipStack(); |
| |
| // handle bluetooth events |
| switch (SL_BT_MSG_ID(evt->header)) |
| { |
| case sl_bt_evt_system_boot_id: { |
| ChipLogProgress(DeviceLayer, "Bluetooth stack booted: v%d.%d.%d-b%d", evt->data.evt_system_boot.major, |
| evt->data.evt_system_boot.minor, evt->data.evt_system_boot.patch, evt->data.evt_system_boot.build); |
| chip::DeviceLayer::Internal::BLEMgrImpl().HandleBootEvent(); |
| |
| RAIL_Version_t railVer; |
| RAIL_GetVersion(&railVer, true); |
| ChipLogProgress(DeviceLayer, "RAIL version:, v%d.%d.%d-b%d", railVer.major, railVer.minor, railVer.rev, railVer.build); |
| sl_bt_connection_set_default_parameters(BLE_CONFIG_MIN_INTERVAL, BLE_CONFIG_MAX_INTERVAL, BLE_CONFIG_LATENCY, |
| BLE_CONFIG_TIMEOUT, BLE_CONFIG_MIN_CE_LENGTH, BLE_CONFIG_MAX_CE_LENGTH); |
| } |
| break; |
| |
| case sl_bt_evt_connection_opened_id: { |
| chip::DeviceLayer::Internal::BLEMgrImpl().HandleConnectEvent(evt); |
| } |
| break; |
| case sl_bt_evt_connection_parameters_id: { |
| // ChipLogProgress(DeviceLayer, "Connection parameter ID received"); |
| } |
| break; |
| case sl_bt_evt_connection_phy_status_id: { |
| // ChipLogProgress(DeviceLayer, "PHY update procedure is completed"); |
| } |
| break; |
| case sl_bt_evt_connection_closed_id: { |
| chip::DeviceLayer::Internal::BLEMgrImpl().HandleConnectionCloseEvent(evt); |
| } |
| break; |
| |
| /* This event indicates that a remote GATT client is attempting to write a value of an |
| * attribute in to the local GATT database, where the attribute was defined in the GATT |
| * XML firmware configuration file to have type="user". */ |
| case sl_bt_evt_gatt_server_attribute_value_id: { |
| chip::DeviceLayer::Internal::BLEMgrImpl().HandleWriteEvent(evt); |
| } |
| break; |
| |
| case sl_bt_evt_gatt_mtu_exchanged_id: { |
| chip::DeviceLayer::Internal::BLEMgrImpl().UpdateMtu(evt); |
| } |
| break; |
| |
| // confirmation of indication received from remote GATT client |
| case sl_bt_evt_gatt_server_characteristic_status_id: { |
| sl_bt_gatt_server_characteristic_status_flag_t StatusFlags; |
| |
| StatusFlags = (sl_bt_gatt_server_characteristic_status_flag_t) evt->data.evt_gatt_server_characteristic_status.status_flags; |
| |
| if (sl_bt_gatt_server_confirmation == StatusFlags) |
| { |
| chip::DeviceLayer::Internal::BLEMgrImpl().HandleTxConfirmationEvent( |
| evt->data.evt_gatt_server_characteristic_status.connection); |
| } |
| else if ((evt->data.evt_gatt_server_characteristic_status.characteristic == gattdb_CHIPoBLEChar_Tx) && |
| (evt->data.evt_gatt_server_characteristic_status.status_flags == sl_bt_gatt_server_client_config)) |
| { |
| chip::DeviceLayer::Internal::BLEMgrImpl().HandleTXCharCCCDWrite(evt); |
| } |
| } |
| break; |
| |
| /* Software Timer event */ |
| case sl_bt_evt_system_soft_timer_id: { |
| chip::DeviceLayer::Internal::BLEMgrImpl().HandleSoftTimerEvent(evt); |
| } |
| break; |
| |
| case sl_bt_evt_gatt_server_user_read_request_id: { |
| ChipLogProgress(DeviceLayer, "GATT server user_read_request"); |
| #if CHIP_ENABLE_ADDITIONAL_DATA_ADVERTISING |
| if (evt->data.evt_gatt_server_user_read_request.characteristic == gattdb_CHIPoBLEChar_C3) |
| { |
| chip::DeviceLayer::Internal::BLEMgrImpl().HandleC3ReadRequest(evt); |
| } |
| #endif // CHIP_ENABLE_ADDITIONAL_DATA_ADVERTISING |
| } |
| break; |
| |
| case sl_bt_evt_connection_remote_used_features_id: { |
| // ChipLogProgress(DeviceLayer, "link layer features supported by the remote device"); |
| } |
| break; |
| |
| default: |
| ChipLogProgress(DeviceLayer, "evt_UNKNOWN id = %08" PRIx32, SL_BT_MSG_ID(evt->header)); |
| break; |
| } |
| |
| chip::DeviceLayer::PlatformMgr().UnlockChipStack(); |
| } |
| |
| #endif // CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE |
