Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
Evgeny Margolis | 15ac917 | 2022-09-22 11:41:42 -0700 | [diff] [blame] | 3 | * Copyright (c) 2021-2022 Project CHIP Authors |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 4 | * Copyright (c) 2020 Nest Labs, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 8 | * you may not use this file except in compliance with the License. |
| 9 | * You may obtain a copy of the License at |
| 10 | * |
| 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 12 | * |
| 13 | * Unless required by applicable law or agreed to in writing, software |
| 14 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 16 | * See the License for the specific language governing permissions and |
| 17 | * limitations under the License. |
| 18 | */ |
| 19 | |
| 20 | /** |
| 21 | * @file |
| 22 | * Provides an implementation of the BLEManager singleton object |
| 23 | * for the PSoC6 platform. |
| 24 | */ |
| 25 | |
| 26 | /* this file behaves like a config.h, comes first */ |
| 27 | #include <platform/internal/CHIPDeviceLayerInternal.h> |
| 28 | |
| 29 | #if CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE |
| 30 | |
| 31 | #include <ble/CHIPBleServiceData.h> |
Evgeny Margolis | 15ac917 | 2022-09-22 11:41:42 -0700 | [diff] [blame] | 32 | #include <lib/support/CHIPMemString.h> |
Zang MingJie | 53dd583 | 2021-09-03 03:05:16 +0800 | [diff] [blame] | 33 | #include <lib/support/CodeUtils.h> |
| 34 | #include <lib/support/logging/CHIPLogging.h> |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 35 | #include <platform/internal/BLEManager.h> |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 36 | |
| 37 | extern "C" { |
| 38 | #include "app_platform_cfg.h" |
| 39 | #include "cycfg_bt_settings.h" |
| 40 | #include "cycfg_gatt_db.h" |
| 41 | } |
| 42 | |
| 43 | #include "cy_utils.h" |
| 44 | #include "wiced_bt_stack.h" |
| 45 | |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 46 | #include "wiced_memory.h" |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 47 | #include <wiced_bt_ble.h> |
| 48 | #include <wiced_bt_gatt.h> |
| 49 | |
| 50 | using namespace ::chip; |
| 51 | using namespace ::chip::Ble; |
| 52 | |
Praveen Chandran | 7b28de4 | 2022-01-17 12:00:07 -0800 | [diff] [blame] | 53 | #define BLE_SERVICE_DATA_SIZE 10 |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 54 | #define BT_STACK_HEAP_SIZE (1024 * 6) |
| 55 | typedef void (*pfn_free_buffer_t)(uint8_t *); |
| 56 | wiced_bt_heap_t * p_heap = NULL; |
| 57 | static bool heap_allocated = false; |
Praveen Chandran | 7b28de4 | 2022-01-17 12:00:07 -0800 | [diff] [blame] | 58 | |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 59 | namespace chip { |
| 60 | namespace DeviceLayer { |
| 61 | namespace Internal { |
| 62 | |
| 63 | namespace { |
| 64 | const ChipBleUUID chipUUID_CHIPoBLEChar_RX = { { 0x18, 0xEE, 0x2E, 0xF5, 0x26, 0x3D, 0x45, 0x59, 0x95, 0x9F, 0x4F, 0x9C, 0x42, 0x9F, |
| 65 | 0x9D, 0x11 } }; |
| 66 | |
| 67 | const ChipBleUUID ChipUUID_CHIPoBLEChar_TX = { { 0x18, 0xEE, 0x2E, 0xF5, 0x26, 0x3D, 0x45, 0x59, 0x95, 0x9F, 0x4F, 0x9C, 0x42, 0x9F, |
| 68 | 0x9D, 0x12 } }; |
| 69 | |
| 70 | } // unnamed namespace |
| 71 | |
| 72 | BLEManagerImpl BLEManagerImpl::sInstance; |
| 73 | |
| 74 | wiced_bt_gatt_status_t app_gatts_callback(wiced_bt_gatt_evt_t event, wiced_bt_gatt_event_data_t * p_data); |
| 75 | |
| 76 | wiced_result_t BLEManagerImpl::BLEManagerCallback(wiced_bt_management_evt_t event, wiced_bt_management_evt_data_t * p_event_data) |
| 77 | { |
| 78 | switch (event) |
| 79 | { |
| 80 | case BTM_ENABLED_EVT: |
| 81 | // Post a event to _OnPlatformEvent. |
| 82 | { |
| 83 | // Register with stack to receive GATT callback |
| 84 | wiced_bt_gatt_register(app_gatts_callback); |
| 85 | |
| 86 | // Inform the stack to use this app GATT database |
| 87 | wiced_bt_gatt_db_init(gatt_database, gatt_database_len, NULL); |
| 88 | |
| 89 | ChipDeviceEvent bleEvent; |
| 90 | bleEvent.Type = DeviceEventType::kP6BLEEnabledEvt; |
Kevin Schoedel | 6fd3811 | 2021-09-14 13:22:09 -0400 | [diff] [blame] | 91 | if (PlatformMgr().PostEvent(&bleEvent) != CHIP_NO_ERROR) |
| 92 | { |
| 93 | return WICED_BT_ERROR; |
| 94 | } |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 95 | } |
| 96 | break; |
| 97 | } |
| 98 | |
| 99 | return WICED_BT_SUCCESS; |
| 100 | } |
| 101 | |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 102 | uint8_t * BLEManagerImpl::gatt_alloc_buffer(uint16_t len) |
| 103 | { |
| 104 | uint8_t * p = (uint8_t *) wiced_bt_get_buffer(len); |
| 105 | return p; |
| 106 | } |
| 107 | |
| 108 | void BLEManagerImpl::gatt_free_buffer(uint8_t * p_data) |
| 109 | { |
| 110 | wiced_bt_free_buffer(p_data); |
| 111 | } |
| 112 | |
| 113 | static void gatt_free_buffer_cb(uint8_t * p_data) |
| 114 | { |
| 115 | BLEManagerImpl::sInstance.gatt_free_buffer(p_data); |
| 116 | } |
| 117 | |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 118 | CHIP_ERROR BLEManagerImpl::_Init() |
| 119 | { |
| 120 | CHIP_ERROR err; |
| 121 | |
| 122 | // Initialize the CHIP BleLayer. |
Kevin Schoedel | 86eb040 | 2021-09-10 08:37:38 -0400 | [diff] [blame] | 123 | err = BleLayer::Init(this, this, &DeviceLayer::SystemLayer()); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 124 | SuccessOrExit(err); |
| 125 | |
| 126 | // Configure platform specific settings for Bluetooth |
| 127 | cybt_platform_config_init(&bt_platform_cfg_settings); |
| 128 | |
| 129 | // Initialize the Bluetooth stack with a callback function and stack |
| 130 | // configuration structure */ |
| 131 | if (WICED_SUCCESS != wiced_bt_stack_init(BLEManagerCallback, &wiced_bt_cfg_settings)) |
| 132 | { |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 133 | ChipLogError(DeviceLayer, "Error initializing BT stack\n"); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 134 | CY_ASSERT(0); |
| 135 | } |
| 136 | |
| 137 | mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Enabled; |
| 138 | if (CHIP_DEVICE_CONFIG_CHIPOBLE_ENABLE_ADVERTISING_AUTOSTART) |
| 139 | { |
| 140 | mFlags.Set(Flags::kFlag_AdvertisingEnabled, true); |
| 141 | } |
| 142 | else |
| 143 | { |
| 144 | mFlags.Set(Flags::kFlag_AdvertisingEnabled, false); |
| 145 | } |
| 146 | mNumCons = 0; |
| 147 | memset(mCons, 0, sizeof(mCons)); |
| 148 | memset(mDeviceName, 0, sizeof(mDeviceName)); |
| 149 | |
| 150 | ChipLogProgress(DeviceLayer, "BLEManagerImpl::Init() complete"); |
| 151 | |
| 152 | PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| 153 | |
| 154 | exit: |
| 155 | return err; |
| 156 | } |
| 157 | |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 158 | bool BLEManagerImpl::_IsAdvertisingEnabled(void) |
| 159 | { |
| 160 | return mFlags.Has(Flags::kFlag_AdvertisingEnabled); |
| 161 | } |
| 162 | |
| 163 | CHIP_ERROR BLEManagerImpl::_SetAdvertisingEnabled(bool val) |
| 164 | { |
| 165 | CHIP_ERROR err = CHIP_NO_ERROR; |
| 166 | |
| 167 | VerifyOrExit(mServiceMode != ConnectivityManager::kCHIPoBLEServiceMode_NotSupported, err = CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE); |
| 168 | |
| 169 | if (mFlags.Has(Flags::kFlag_AdvertisingEnabled) != val) |
| 170 | { |
| 171 | mFlags.Set(Flags::kFlag_AdvertisingEnabled, val); |
| 172 | PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| 173 | } |
| 174 | |
| 175 | exit: |
| 176 | return err; |
| 177 | } |
| 178 | |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 179 | CHIP_ERROR BLEManagerImpl::_SetAdvertisingMode(BLEAdvertisingMode mode) |
| 180 | { |
| 181 | (void) (mode); |
| 182 | |
| 183 | return CHIP_ERROR_NOT_IMPLEMENTED; |
| 184 | } |
| 185 | |
| 186 | CHIP_ERROR BLEManagerImpl::_GetDeviceName(char * buf, size_t bufSize) |
| 187 | { |
| 188 | if (mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_NotSupported) |
| 189 | { |
| 190 | return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE; |
| 191 | } |
| 192 | if (strlen(mDeviceName) >= bufSize) |
| 193 | { |
| 194 | return CHIP_ERROR_BUFFER_TOO_SMALL; |
| 195 | } |
| 196 | strcpy(buf, mDeviceName); |
| 197 | ChipLogProgress(DeviceLayer, "Getting device name to : \"%s\"", mDeviceName); |
| 198 | return CHIP_NO_ERROR; |
| 199 | } |
| 200 | |
| 201 | CHIP_ERROR BLEManagerImpl::_SetDeviceName(const char * deviceName) |
| 202 | { |
| 203 | if (mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_NotSupported) |
| 204 | { |
| 205 | return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE; |
| 206 | } |
| 207 | if (deviceName != NULL && deviceName[0] != 0) |
| 208 | { |
| 209 | if (strlen(deviceName) >= kMaxDeviceNameLength) |
| 210 | { |
| 211 | return CHIP_ERROR_INVALID_ARGUMENT; |
| 212 | } |
Evgeny Margolis | 15ac917 | 2022-09-22 11:41:42 -0700 | [diff] [blame] | 213 | Platform::CopyString(mDeviceName, deviceName); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 214 | mFlags.Set(Flags::kFlag_DeviceNameSet, true); |
| 215 | ChipLogProgress(DeviceLayer, "Setting device name to : \"%s\"", deviceName); |
| 216 | } |
| 217 | else |
| 218 | { |
| 219 | wiced_bt_cfg_settings.device_name[0] = 0; |
| 220 | mDeviceName[0] = 0; |
| 221 | mFlags.Set(Flags::kFlag_DeviceNameSet, false); |
| 222 | } |
| 223 | |
| 224 | return CHIP_NO_ERROR; |
| 225 | } |
| 226 | |
| 227 | uint16_t BLEManagerImpl::_NumConnections(void) |
| 228 | { |
| 229 | return mNumCons; |
| 230 | } |
| 231 | |
| 232 | void BLEManagerImpl::_OnPlatformEvent(const ChipDeviceEvent * event) |
| 233 | { |
| 234 | switch (event->Type) |
| 235 | { |
| 236 | |
| 237 | case DeviceEventType::kP6BLEEnabledEvt: |
| 238 | mFlags.Set(Flags::kFlag_StackInitialized, true); |
| 239 | PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| 240 | break; |
| 241 | |
| 242 | case DeviceEventType::kCHIPoBLESubscribe: |
| 243 | HandleSubscribeReceived(event->CHIPoBLESubscribe.ConId, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_TX); |
| 244 | { |
| 245 | ChipDeviceEvent _event; |
| 246 | _event.Type = DeviceEventType::kCHIPoBLEConnectionEstablished; |
Kevin Schoedel | 6fd3811 | 2021-09-14 13:22:09 -0400 | [diff] [blame] | 247 | PlatformMgr().PostEventOrDie(&_event); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 248 | } |
| 249 | break; |
| 250 | |
| 251 | case DeviceEventType::kCHIPoBLEUnsubscribe: |
| 252 | HandleUnsubscribeReceived(event->CHIPoBLEUnsubscribe.ConId, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_TX); |
| 253 | break; |
| 254 | |
| 255 | case DeviceEventType::kCHIPoBLEWriteReceived: |
| 256 | HandleWriteReceived(event->CHIPoBLEWriteReceived.ConId, &CHIP_BLE_SVC_ID, &chipUUID_CHIPoBLEChar_RX, |
| 257 | PacketBufferHandle::Adopt(event->CHIPoBLEWriteReceived.Data)); |
| 258 | break; |
| 259 | |
Praveen Chandran | d059680 | 2022-08-09 17:56:44 -0700 | [diff] [blame] | 260 | case DeviceEventType::kCHIPoBLEIndicateConfirm: |
| 261 | HandleIndicationConfirmation(event->CHIPoBLEIndicateConfirm.ConId, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_TX); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 262 | break; |
| 263 | |
| 264 | case DeviceEventType::kCHIPoBLEConnectionError: |
| 265 | HandleConnectionError(event->CHIPoBLEConnectionError.ConId, event->CHIPoBLEConnectionError.Reason); |
| 266 | break; |
| 267 | |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 268 | case DeviceEventType::kServiceProvisioningChange: |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 269 | // Force the advertising state to be refreshed to reflect new provisioning state. |
| 270 | mFlags.Set(Flags::kFlag_AdvertisingRefreshNeeded, true); |
| 271 | |
| 272 | DriveBLEState(); |
| 273 | break; |
| 274 | |
| 275 | default: |
| 276 | break; |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | bool BLEManagerImpl::SubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId) |
| 281 | { |
| 282 | ChipLogProgress(DeviceLayer, "BLEManagerImpl::SubscribeCharacteristic() not supported"); |
| 283 | return false; |
| 284 | } |
| 285 | |
| 286 | bool BLEManagerImpl::UnsubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId) |
| 287 | { |
| 288 | ChipLogProgress(DeviceLayer, "BLEManagerImpl::UnsubscribeCharacteristic() not supported"); |
| 289 | return false; |
| 290 | } |
| 291 | |
| 292 | bool BLEManagerImpl::CloseConnection(BLE_CONNECTION_OBJECT conId) |
| 293 | { |
| 294 | ChipLogProgress(DeviceLayer, "Closing BLE GATT connection (con %u)", conId); |
| 295 | |
| 296 | // Initiate a GAP disconnect. |
| 297 | wiced_bt_gatt_status_t gatt_err = wiced_bt_gatt_disconnect((uint16_t) conId); |
| 298 | if (gatt_err != WICED_BT_GATT_SUCCESS) |
| 299 | { |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 300 | ChipLogError(DeviceLayer, "wiced_bt_gatt_disconnect() failed: %d", gatt_err); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 301 | } |
| 302 | |
| 303 | return (gatt_err == WICED_BT_GATT_SUCCESS); |
| 304 | } |
| 305 | |
| 306 | uint16_t BLEManagerImpl::GetMTU(BLE_CONNECTION_OBJECT conId) const |
| 307 | { |
| 308 | CHIPoBLEConState * p_conn; |
| 309 | |
| 310 | /* Check if target connection state exists. */ |
| 311 | p_conn = BLEManagerImpl::sInstance.GetConnectionState(conId); |
| 312 | |
| 313 | if (!p_conn) |
| 314 | { |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 315 | return wiced_bt_cfg_settings.p_ble_cfg->ble_max_rx_pdu_size; |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 316 | } |
| 317 | else |
| 318 | { |
| 319 | return p_conn->Mtu; |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | bool BLEManagerImpl::SendIndication(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId, |
| 324 | PacketBufferHandle data) |
| 325 | { |
| 326 | CHIP_ERROR err = CHIP_NO_ERROR; |
| 327 | uint16_t dataLen = data->DataLength(); |
| 328 | wiced_bt_gatt_status_t gatt_err = WICED_BT_GATT_SUCCESS; |
| 329 | CHIPoBLEConState * conState = GetConnectionState(conId); |
| 330 | |
| 331 | VerifyOrExit(conState != NULL, err = CHIP_ERROR_INVALID_ARGUMENT); |
| 332 | |
| 333 | #ifdef BLE_DEBUG |
Praveen Chandran | d059680 | 2022-08-09 17:56:44 -0700 | [diff] [blame] | 334 | ChipLogDetail(DeviceLayer, "Sending indication for CHIPoBLE TX characteristic (con %u, len %u)", conId, dataLen); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 335 | #endif |
| 336 | |
Praveen Chandran | d059680 | 2022-08-09 17:56:44 -0700 | [diff] [blame] | 337 | // Send a indication for the CHIPoBLE TX characteristic to the client containing the supplied data. |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 338 | gatt_err = |
Praveen Chandran | d059680 | 2022-08-09 17:56:44 -0700 | [diff] [blame] | 339 | wiced_bt_gatt_server_send_indication((uint16_t) conId, HDLC_CHIP_SERVICE_CHAR_C2_VALUE, dataLen, data->Start(), NULL); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 340 | |
| 341 | exit: |
| 342 | if (gatt_err != WICED_BT_GATT_SUCCESS) |
| 343 | { |
Praveen Chandran | d059680 | 2022-08-09 17:56:44 -0700 | [diff] [blame] | 344 | ChipLogError(DeviceLayer, "BLEManagerImpl::SendIndication() failed: %d", gatt_err); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 345 | return false; |
| 346 | } |
| 347 | return err == CHIP_NO_ERROR; |
| 348 | } |
| 349 | |
| 350 | bool BLEManagerImpl::SendWriteRequest(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId, |
| 351 | PacketBufferHandle data) |
| 352 | |
| 353 | { |
| 354 | ChipLogError(DeviceLayer, "BLEManagerImpl::SendWriteRequest() not supported"); |
| 355 | return false; |
| 356 | } |
| 357 | |
| 358 | bool BLEManagerImpl::SendReadRequest(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId, |
| 359 | PacketBufferHandle data) |
| 360 | { |
| 361 | ChipLogError(DeviceLayer, "BLEManagerImpl::SendReadRequest() not supported"); |
| 362 | return false; |
| 363 | } |
| 364 | |
| 365 | bool BLEManagerImpl::SendReadResponse(BLE_CONNECTION_OBJECT conId, BLE_READ_REQUEST_CONTEXT requestContext, |
| 366 | const ChipBleUUID * svcId, const ChipBleUUID * charId) |
| 367 | { |
| 368 | ChipLogError(DeviceLayer, "BLEManagerImpl::SendReadResponse() not supported"); |
| 369 | return false; |
| 370 | } |
| 371 | |
| 372 | void BLEManagerImpl::NotifyChipConnectionClosed(BLE_CONNECTION_OBJECT conId) {} |
| 373 | |
| 374 | void BLEManagerImpl::DriveBLEState(void) |
| 375 | { |
| 376 | CHIP_ERROR err = CHIP_NO_ERROR; |
| 377 | |
| 378 | // Exit if Stack not initialized |
| 379 | VerifyOrExit(mFlags.Has(Flags::kFlag_StackInitialized), /* */); |
| 380 | |
| 381 | // Perform any initialization actions that must occur after the CHIP task is running. |
| 382 | if (!mFlags.Has(Flags::kFlag_AsyncInitCompleted)) |
| 383 | { |
| 384 | mFlags.Set(Flags::kFlag_AsyncInitCompleted, true); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 385 | } |
| 386 | |
| 387 | // If the application has enabled CHIPoBLE and BLE advertising... |
| 388 | if (mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_Enabled && |
| 389 | mFlags.Has(Flags::kFlag_AdvertisingEnabled) |
| 390 | #if CHIP_DEVICE_CONFIG_CHIPOBLE_SINGLE_CONNECTION |
| 391 | // and no connections are active... |
| 392 | && (mNumCons == 0) |
| 393 | #endif |
| 394 | ) |
| 395 | { |
| 396 | // Start/re-start SoftDevice advertising if not already advertising, or if the |
| 397 | // advertising state of the SoftDevice needs to be refreshed. |
| 398 | if (!mFlags.Has(Flags::kFlag_Advertising) || mFlags.Has(Flags::kFlag_AdvertisingRefreshNeeded)) |
| 399 | { |
| 400 | ChipLogProgress(DeviceLayer, "CHIPoBLE advertising started"); |
| 401 | |
| 402 | mFlags.Set(Flags::kFlag_Advertising, true); |
| 403 | mFlags.Set(Flags::kFlag_AdvertisingRefreshNeeded, false); |
| 404 | |
| 405 | SetAdvertisingData(); |
| 406 | |
| 407 | wiced_bt_start_advertisements(BTM_BLE_ADVERT_UNDIRECTED_HIGH, BLE_ADDR_PUBLIC, NULL); |
| 408 | |
| 409 | // Post a CHIPoBLEAdvertisingChange(Started) event. |
| 410 | { |
| 411 | ChipDeviceEvent advChange; |
| 412 | advChange.Type = DeviceEventType::kCHIPoBLEAdvertisingChange; |
| 413 | advChange.CHIPoBLEAdvertisingChange.Result = kActivity_Started; |
Kevin Schoedel | 6fd3811 | 2021-09-14 13:22:09 -0400 | [diff] [blame] | 414 | err = PlatformMgr().PostEvent(&advChange); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 415 | } |
| 416 | } |
| 417 | } |
| 418 | |
| 419 | // Otherwise, stop advertising if currently active. |
| 420 | else |
| 421 | { |
| 422 | if (mFlags.Has(Flags::kFlag_Advertising)) |
| 423 | { |
| 424 | mFlags.Set(Flags::kFlag_Advertising, false); |
| 425 | |
| 426 | ChipLogProgress(DeviceLayer, "CHIPoBLE stop advertising"); |
| 427 | wiced_bt_start_advertisements(BTM_BLE_ADVERT_OFF, BLE_ADDR_PUBLIC, NULL); |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 428 | |
Arkadiusz Bokowy | bd6c4ab | 2024-02-06 08:57:29 +0100 | [diff] [blame] | 429 | /* Delete the heap allocated during BLE Advertisement Stop */ |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 430 | if (p_heap) |
| 431 | { |
| 432 | wiced_bt_delete_heap(p_heap); |
| 433 | heap_allocated = false; |
| 434 | } |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 435 | } |
| 436 | } |
| 437 | |
| 438 | exit: |
| 439 | if (err != CHIP_NO_ERROR) |
| 440 | { |
| 441 | ChipLogError(DeviceLayer, "Disabling CHIPoBLE service due to error: %s", ErrorStr(err)); |
| 442 | mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Disabled; |
| 443 | } |
| 444 | } |
| 445 | |
| 446 | /* |
| 447 | * This function searches through the GATT DB to point to the attribute |
| 448 | * corresponding to the given handle |
| 449 | */ |
| 450 | gatt_db_lookup_table_t * BLEManagerImpl::GetGattAttr(uint16_t handle) |
| 451 | { |
| 452 | /* Search for the given handle in the GATT DB and return the pointer to the |
| 453 | correct attribute */ |
| 454 | uint8_t array_index = 0; |
| 455 | |
| 456 | for (array_index = 0; array_index < app_gatt_db_ext_attr_tbl_size; array_index++) |
| 457 | { |
| 458 | if (app_gatt_db_ext_attr_tbl[array_index].handle == handle) |
| 459 | { |
| 460 | return (&app_gatt_db_ext_attr_tbl[array_index]); |
| 461 | } |
| 462 | } |
| 463 | return NULL; |
| 464 | } |
| 465 | |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 466 | wiced_bt_gatt_status_t BLEManagerImpl::HandleGattServiceRead(uint16_t conn_id, wiced_bt_gatt_opcode_t opcode, |
| 467 | wiced_bt_gatt_read_t * p_read_req, uint16_t len_requested) |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 468 | { |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 469 | gatt_db_lookup_table_t * p_attribute; |
| 470 | uint8_t * from; |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 471 | |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 472 | if ((p_attribute = GetGattAttr(p_read_req->handle)) == NULL) |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 473 | { |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 474 | ChipLogError(DeviceLayer, "[%s] attr not found handle: 0x%04x\n", __FUNCTION__, p_read_req->handle); |
| 475 | wiced_bt_gatt_server_send_error_rsp(conn_id, opcode, p_read_req->handle, WICED_BT_GATT_INVALID_HANDLE); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 476 | return WICED_BT_GATT_INVALID_HANDLE; |
| 477 | } |
| 478 | |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 479 | if (p_read_req->offset >= p_attribute->cur_len) |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 480 | { |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 481 | ChipLogError(DeviceLayer, "[%s] offset:%d larger than attribute length:%d\n", __FUNCTION__, p_read_req->offset, |
| 482 | p_attribute->cur_len); |
| 483 | |
| 484 | wiced_bt_gatt_server_send_error_rsp(conn_id, opcode, p_read_req->handle, WICED_BT_GATT_INVALID_OFFSET); |
| 485 | return (WICED_BT_GATT_INVALID_OFFSET); |
| 486 | } |
| 487 | else if (len_requested + p_read_req->offset > p_attribute->cur_len) |
| 488 | { |
| 489 | len_requested = p_attribute->cur_len - p_read_req->offset; |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 490 | } |
| 491 | |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 492 | from = ((uint8_t *) p_attribute->p_data) + p_read_req->offset; |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 493 | |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 494 | wiced_bt_gatt_server_send_read_handle_rsp(conn_id, opcode, len_requested, from, NULL); |
| 495 | |
| 496 | return WICED_BT_GATT_SUCCESS; |
| 497 | } |
| 498 | /* |
| 499 | * Currently there is no reason to pass Read Req by type handler to CHIP. Only process request for |
| 500 | * attributes in the GATT DB attribute table |
| 501 | */ |
| 502 | wiced_bt_gatt_status_t BLEManagerImpl::HandleGattServiceReadByTypeHandler(uint16_t conn_id, wiced_bt_gatt_opcode_t opcode, |
| 503 | wiced_bt_gatt_read_by_type_t * p_read_req, |
| 504 | uint16_t len_requested) |
| 505 | { |
| 506 | gatt_db_lookup_table_t * puAttribute; |
| 507 | uint16_t attr_handle = p_read_req->s_handle; |
| 508 | uint8_t * p_rsp = NULL; |
| 509 | uint8_t pair_len = 0; |
| 510 | int used = 0; |
| 511 | |
| 512 | if (heap_allocated == false) |
| 513 | { |
| 514 | p_heap = wiced_bt_create_heap("default_heap", NULL, BT_STACK_HEAP_SIZE, NULL, WICED_TRUE); |
| 515 | heap_allocated = true; |
| 516 | } |
| 517 | |
| 518 | /* Allocate buffer for GATT Read */ |
| 519 | p_rsp = gatt_alloc_buffer(len_requested); |
| 520 | if (p_rsp == NULL) |
| 521 | { |
| 522 | ChipLogError(DeviceLayer, "[%s] no memory len_requested: %d!!\n", __FUNCTION__, len_requested); |
| 523 | wiced_bt_gatt_server_send_error_rsp(conn_id, opcode, attr_handle, WICED_BT_GATT_INSUF_RESOURCE); |
| 524 | return WICED_BT_GATT_INSUF_RESOURCE; |
| 525 | } |
| 526 | |
| 527 | /* Read by type returns all attributes of the specified type, between the start and end handles */ |
| 528 | while (WICED_TRUE) |
| 529 | { |
| 530 | attr_handle = wiced_bt_gatt_find_handle_by_type(attr_handle, p_read_req->e_handle, &p_read_req->uuid); |
| 531 | |
| 532 | if (attr_handle == 0) |
| 533 | break; |
| 534 | |
| 535 | if ((puAttribute = GetGattAttr(attr_handle)) == NULL) |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 536 | { |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 537 | ChipLogError(DeviceLayer, "[%s] found type but no attribute ??\n", __FUNCTION__); |
| 538 | wiced_bt_gatt_server_send_error_rsp(conn_id, opcode, p_read_req->s_handle, WICED_BT_GATT_ERR_UNLIKELY); |
| 539 | gatt_free_buffer(p_rsp); |
| 540 | return WICED_BT_GATT_INVALID_HANDLE; |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 541 | } |
| 542 | |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 543 | { |
| 544 | int filled = wiced_bt_gatt_put_read_by_type_rsp_in_stream(p_rsp + used, len_requested - used, &pair_len, attr_handle, |
| 545 | puAttribute->cur_len, puAttribute->p_data); |
| 546 | if (filled == 0) |
| 547 | { |
| 548 | break; |
| 549 | } |
| 550 | used += filled; |
| 551 | } |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 552 | |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 553 | /* Increment starting handle for next search to one past current */ |
| 554 | attr_handle++; |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 555 | } |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 556 | |
| 557 | if (used == 0) |
| 558 | { |
| 559 | ChipLogError(DeviceLayer, "[%s] attr not found start_handle: 0x%04x end_handle: 0x%04x Type: 0x%04x\n", __FUNCTION__, |
| 560 | p_read_req->s_handle, p_read_req->e_handle, p_read_req->uuid.uu.uuid16); |
| 561 | wiced_bt_gatt_server_send_error_rsp(conn_id, opcode, p_read_req->s_handle, WICED_BT_GATT_INVALID_HANDLE); |
| 562 | gatt_free_buffer(p_rsp); |
| 563 | return WICED_BT_GATT_INVALID_HANDLE; |
| 564 | } |
| 565 | |
| 566 | /* Send the response */ |
| 567 | wiced_bt_gatt_server_send_read_by_type_rsp(conn_id, opcode, pair_len, used, p_rsp, |
| 568 | (wiced_bt_gatt_app_context_t) gatt_free_buffer_cb); |
| 569 | |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 570 | return WICED_BT_GATT_SUCCESS; |
| 571 | } |
| 572 | |
| 573 | /* |
| 574 | * If Attribute is for CHIP, pass it through. Otherwise process request for |
| 575 | * attributes in the GATT DB attribute table. |
| 576 | */ |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 577 | wiced_bt_gatt_status_t BLEManagerImpl::HandleGattServiceWrite(uint16_t conn_id, wiced_bt_gatt_write_req_t * p_data) |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 578 | { |
| 579 | wiced_bt_gatt_status_t result = WICED_BT_GATT_SUCCESS; |
| 580 | gatt_db_lookup_table_t * puAttribute; |
| 581 | const uint16_t valLen = p_data->val_len; |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 582 | // special handling for CHIP RX path |
| 583 | if (p_data->handle == HDLC_CHIP_SERVICE_CHAR_C1_VALUE) |
| 584 | { |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 585 | System::PacketBufferHandle buf; |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 586 | |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 587 | buf = System::PacketBufferHandle::NewWithData(p_data->p_val, valLen, 0, 0); |
| 588 | if (!buf.IsNull()) |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 589 | { |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 590 | #ifdef BLE_DEBUG |
| 591 | ChipLogDetail(DeviceLayer, "Write received for CHIPoBLE RX characteristic con %04x len %d", conn_id, valLen); |
| 592 | #endif |
| 593 | // Post an event to the CHIP queue to deliver the data into the CHIP stack. |
| 594 | { |
| 595 | ChipDeviceEvent event; |
| 596 | event.Type = DeviceEventType::kCHIPoBLEWriteReceived; |
| 597 | event.CHIPoBLEWriteReceived.ConId = conn_id; |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 598 | event.CHIPoBLEWriteReceived.Data = std::move(buf).UnsafeRelease(); |
Kevin Schoedel | 6fd3811 | 2021-09-14 13:22:09 -0400 | [diff] [blame] | 599 | CHIP_ERROR status = PlatformMgr().PostEvent(&event); |
| 600 | if (status != CHIP_NO_ERROR) |
| 601 | { |
| 602 | result = WICED_BT_GATT_INTERNAL_ERROR; |
| 603 | } |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 604 | buf = NULL; |
| 605 | } |
| 606 | } |
| 607 | else |
| 608 | { |
| 609 | ChipLogError(DeviceLayer, "BLEManagerImpl: Out of buffers during CHIPoBLE RX"); |
Kevin Schoedel | 6fd3811 | 2021-09-14 13:22:09 -0400 | [diff] [blame] | 610 | result = WICED_BT_GATT_NO_RESOURCES; |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 611 | } |
| 612 | } |
| 613 | else |
| 614 | { |
| 615 | ChipLogDetail(DeviceLayer, "Write received for CHIPoBLE RX characteristic con:%04x handle:%04x len:%d", conn_id, |
| 616 | p_data->handle, valLen); |
| 617 | |
| 618 | /* Get the right address for the handle in Gatt DB */ |
| 619 | if (NULL == (puAttribute = GetGattAttr(p_data->handle))) |
| 620 | { |
| 621 | ChipLogError(DeviceLayer, "BLEManagerImpl: Write wrong handle:%04x", p_data->handle); |
| 622 | return WICED_BT_GATT_INVALID_HANDLE; |
| 623 | } |
| 624 | puAttribute->cur_len = valLen > puAttribute->max_len ? puAttribute->max_len : valLen; |
| 625 | memcpy(puAttribute->p_data, p_data->p_val, puAttribute->cur_len); |
| 626 | |
| 627 | // Post an event to the Chip queue to process either a CHIPoBLE Subscribe or Unsubscribe based on |
| 628 | // whether the client is enabling or disabling indications. |
| 629 | if (p_data->handle == HDLD_CHIP_SERVICE_RX_CLIENT_CHAR_CONFIG) |
| 630 | { |
| 631 | ChipDeviceEvent event; |
| 632 | event.Type = (app_chip_service_char_tx_client_char_config[0] != 0) ? DeviceEventType::kCHIPoBLESubscribe |
| 633 | : DeviceEventType::kCHIPoBLEUnsubscribe; |
| 634 | event.CHIPoBLESubscribe.ConId = conn_id; |
Kevin Schoedel | 6fd3811 | 2021-09-14 13:22:09 -0400 | [diff] [blame] | 635 | if (PlatformMgr().PostEvent(&event) != CHIP_NO_ERROR) |
| 636 | { |
| 637 | return WICED_BT_GATT_INTERNAL_ERROR; |
| 638 | } |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 639 | } |
| 640 | |
| 641 | ChipLogProgress(DeviceLayer, "CHIPoBLE %s received", |
| 642 | app_chip_service_char_tx_client_char_config[0] != 0 ? "subscribe" : "unsubscribe"); |
| 643 | } |
| 644 | return result; |
| 645 | } |
| 646 | |
| 647 | /* |
| 648 | * Process MTU request received from the GATT client |
| 649 | */ |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 650 | wiced_bt_gatt_status_t BLEManagerImpl::HandleGattServiceMtuReq(uint16_t conn_id, uint16_t mtu) |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 651 | { |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 652 | wiced_bt_gatt_server_send_mtu_rsp(conn_id, mtu, wiced_bt_cfg_settings.p_ble_cfg->ble_max_rx_pdu_size); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 653 | return WICED_BT_GATT_SUCCESS; |
| 654 | } |
| 655 | |
| 656 | /* |
Praveen Chandran | d059680 | 2022-08-09 17:56:44 -0700 | [diff] [blame] | 657 | * Process GATT Indication Confirm from the client |
| 658 | */ |
| 659 | wiced_bt_gatt_status_t BLEManagerImpl::HandleGattServiceIndCfm(uint16_t conn_id, uint16_t handle) |
| 660 | { |
| 661 | #ifdef BLE_DEBUG |
| 662 | ChipLogDetail(DeviceLayer, "GATT Ind Cfm received con:%04x handle:%d", conn_id, handle); |
| 663 | #endif |
| 664 | if (handle == HDLC_CHIP_SERVICE_CHAR_C2_VALUE) |
| 665 | { |
| 666 | ChipDeviceEvent event; |
| 667 | event.Type = DeviceEventType::kCHIPoBLEIndicateConfirm; |
| 668 | event.CHIPoBLEIndicateConfirm.ConId = conn_id; |
| 669 | if (PlatformMgr().PostEvent(&event) != CHIP_NO_ERROR) |
| 670 | { |
| 671 | return WICED_BT_GATT_INTERNAL_ERROR; |
| 672 | } |
| 673 | } |
| 674 | return WICED_BT_GATT_SUCCESS; |
| 675 | } |
| 676 | |
| 677 | /* |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 678 | * Process GATT attribute requests |
| 679 | */ |
| 680 | wiced_bt_gatt_status_t BLEManagerImpl::HandleGattServiceRequestEvent(wiced_bt_gatt_attribute_request_t * p_request, |
| 681 | CHIPoBLEConState * p_conn) |
| 682 | { |
| 683 | wiced_bt_gatt_status_t result = WICED_BT_GATT_INVALID_PDU; |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 684 | switch (p_request->opcode) |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 685 | { |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 686 | case GATT_REQ_READ: |
| 687 | case GATT_REQ_READ_BLOB: |
| 688 | result = |
| 689 | HandleGattServiceRead(p_request->conn_id, p_request->opcode, &(p_request->data.read_req), p_request->len_requested); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 690 | break; |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 691 | case GATT_REQ_READ_BY_TYPE: |
| 692 | result = HandleGattServiceReadByTypeHandler(p_request->conn_id, p_request->opcode, &p_request->data.read_by_type, |
| 693 | p_request->len_requested); |
| 694 | break; |
| 695 | case GATT_REQ_WRITE: |
| 696 | case GATT_CMD_WRITE: |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 697 | result = HandleGattServiceWrite(p_request->conn_id, &(p_request->data.write_req)); |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 698 | if ((p_request->opcode == GATT_REQ_WRITE) && (result == WICED_BT_GATT_SUCCESS)) |
| 699 | { |
| 700 | wiced_bt_gatt_write_req_t * p_write_request = &p_request->data.write_req; |
| 701 | wiced_bt_gatt_server_send_write_rsp(p_request->conn_id, p_request->opcode, p_write_request->handle); |
| 702 | } |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 703 | break; |
| 704 | |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 705 | case GATT_REQ_MTU: |
| 706 | result = HandleGattServiceMtuReq(p_request->conn_id, p_request->data.remote_mtu); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 707 | break; |
| 708 | |
Praveen Chandran | d059680 | 2022-08-09 17:56:44 -0700 | [diff] [blame] | 709 | case GATT_HANDLE_VALUE_CONF: |
| 710 | result = HandleGattServiceIndCfm(p_request->conn_id, p_request->data.confirm.handle); |
| 711 | break; |
| 712 | |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 713 | default: |
| 714 | break; |
| 715 | } |
| 716 | |
| 717 | return result; |
| 718 | } |
| 719 | |
| 720 | /* |
| 721 | * Handle GATT connection events from the stack |
| 722 | */ |
| 723 | wiced_bt_gatt_status_t BLEManagerImpl::HandleGattConnectEvent(wiced_bt_gatt_connection_status_t * p_conn_status, |
| 724 | CHIPoBLEConState * p_conn) |
| 725 | { |
| 726 | if (p_conn_status->connected) |
| 727 | { |
| 728 | /* Device got connected */ |
| 729 | p_conn->connected = true; |
| 730 | ChipLogProgress(DeviceLayer, "BLE GATT connection up (con %u)", p_conn_status->conn_id); |
| 731 | } |
| 732 | else /* Device got disconnected */ |
| 733 | { |
| 734 | ChipDeviceEvent event; |
| 735 | event.Type = DeviceEventType::kCHIPoBLEConnectionError; |
| 736 | event.CHIPoBLEConnectionError.ConId = p_conn_status->conn_id; |
| 737 | |
| 738 | switch (p_conn_status->reason) |
| 739 | { |
| 740 | case GATT_CONN_TERMINATE_PEER_USER: |
| 741 | event.CHIPoBLEConnectionError.Reason = BLE_ERROR_REMOTE_DEVICE_DISCONNECTED; |
| 742 | break; |
| 743 | |
| 744 | case GATT_CONN_TERMINATE_LOCAL_HOST: |
| 745 | event.CHIPoBLEConnectionError.Reason = BLE_ERROR_APP_CLOSED_CONNECTION; |
| 746 | break; |
| 747 | |
| 748 | default: |
| 749 | event.CHIPoBLEConnectionError.Reason = BLE_ERROR_CHIPOBLE_PROTOCOL_ABORT; |
| 750 | break; |
| 751 | } |
| 752 | |
| 753 | ChipLogProgress(DeviceLayer, "BLE GATT connection closed (con %u, reason %u)", p_conn_status->conn_id, |
| 754 | p_conn_status->reason); |
| 755 | |
Kevin Schoedel | 6fd3811 | 2021-09-14 13:22:09 -0400 | [diff] [blame] | 756 | if (PlatformMgr().PostEvent(&event) != CHIP_NO_ERROR) |
| 757 | { |
| 758 | return WICED_BT_GATT_INTERNAL_ERROR; |
| 759 | } |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 760 | |
| 761 | // Arrange to re-enable connectable advertising in case it was disabled due to the |
| 762 | // maximum connection limit being reached. |
| 763 | mFlags.Set(Flags::kFlag_Advertising, false); |
| 764 | PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| 765 | |
| 766 | ReleaseConnectionState(p_conn->ConId); |
| 767 | } |
| 768 | return WICED_BT_GATT_SUCCESS; |
| 769 | } |
| 770 | |
| 771 | /* |
| 772 | * Process GATT requests. Callback is received in the BT stack thread context. |
| 773 | * |
| 774 | */ |
| 775 | wiced_bt_gatt_status_t app_gatts_callback(wiced_bt_gatt_evt_t event, wiced_bt_gatt_event_data_t * p_data) |
| 776 | { |
| 777 | uint16_t conn_id; |
| 778 | BLEManagerImpl::CHIPoBLEConState * p_conn; |
| 779 | |
| 780 | /* Check parameter. */ |
| 781 | if (!p_data) |
| 782 | { |
| 783 | return WICED_BT_GATT_ILLEGAL_PARAMETER; |
| 784 | } |
| 785 | |
| 786 | /* Check if target connection state exists. */ |
| 787 | switch (event) |
| 788 | { |
| 789 | case GATT_CONNECTION_STATUS_EVT: |
| 790 | conn_id = p_data->connection_status.conn_id; |
| 791 | break; |
| 792 | |
| 793 | case GATT_OPERATION_CPLT_EVT: |
| 794 | conn_id = p_data->operation_complete.conn_id; |
| 795 | break; |
| 796 | |
| 797 | case GATT_DISCOVERY_RESULT_EVT: |
| 798 | conn_id = p_data->discovery_result.conn_id; |
| 799 | break; |
| 800 | |
| 801 | case GATT_DISCOVERY_CPLT_EVT: |
| 802 | conn_id = p_data->discovery_complete.conn_id; |
| 803 | break; |
| 804 | |
| 805 | case GATT_ATTRIBUTE_REQUEST_EVT: |
| 806 | conn_id = p_data->attribute_request.conn_id; |
| 807 | break; |
| 808 | |
| 809 | case GATT_CONGESTION_EVT: |
| 810 | conn_id = p_data->congestion.conn_id; |
| 811 | break; |
| 812 | |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 813 | case GATT_GET_RESPONSE_BUFFER_EVT: |
| 814 | if (heap_allocated == false) |
| 815 | { |
| 816 | p_heap = wiced_bt_create_heap("default_heap", NULL, BT_STACK_HEAP_SIZE, NULL, WICED_TRUE); |
| 817 | heap_allocated = true; |
| 818 | } |
| 819 | p_data->buffer_request.buffer.p_app_rsp_buffer = |
| 820 | BLEManagerImpl::sInstance.gatt_alloc_buffer(p_data->buffer_request.len_requested); |
| 821 | p_data->buffer_request.buffer.p_app_ctxt = (wiced_bt_gatt_app_context_t) gatt_free_buffer_cb; |
| 822 | return WICED_BT_GATT_SUCCESS; |
| 823 | break; |
| 824 | |
| 825 | case GATT_APP_BUFFER_TRANSMITTED_EVT: { |
| 826 | pfn_free_buffer_t pfn_free = (pfn_free_buffer_t) p_data->buffer_xmitted.p_app_ctxt; |
| 827 | if (pfn_free) |
| 828 | { |
| 829 | pfn_free(p_data->buffer_xmitted.p_app_data); |
| 830 | } |
| 831 | } |
| 832 | return WICED_BT_GATT_SUCCESS; |
| 833 | break; |
| 834 | |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 835 | default: |
| 836 | return WICED_BT_GATT_ILLEGAL_PARAMETER; |
| 837 | } |
| 838 | |
| 839 | p_conn = BLEManagerImpl::sInstance.GetConnectionState(conn_id); |
| 840 | |
| 841 | /* Allocate connection state if no exist. */ |
| 842 | if (!p_conn) |
| 843 | { |
| 844 | p_conn = BLEManagerImpl::sInstance.AllocConnectionState(conn_id); |
| 845 | |
| 846 | if (!p_conn) |
| 847 | { |
| 848 | return WICED_BT_GATT_INSUF_RESOURCE; |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | switch (event) |
| 853 | { |
| 854 | case GATT_CONNECTION_STATUS_EVT: |
| 855 | return BLEManagerImpl::sInstance.HandleGattConnectEvent(&p_data->connection_status, p_conn); |
| 856 | |
| 857 | case GATT_ATTRIBUTE_REQUEST_EVT: |
| 858 | return BLEManagerImpl::sInstance.HandleGattServiceRequestEvent(&p_data->attribute_request, p_conn); |
| 859 | |
| 860 | default: |
| 861 | break; |
| 862 | } |
| 863 | |
| 864 | return WICED_BT_GATT_ILLEGAL_PARAMETER; |
| 865 | } |
| 866 | |
| 867 | void BLEManagerImpl::SetAdvertisingData(void) |
| 868 | { |
| 869 | CHIP_ERROR err; |
| 870 | wiced_bt_ble_advert_elem_t adv_elem[4]; |
| 871 | uint8_t num_elem = 0; |
| 872 | uint8_t flag = BTM_BLE_GENERAL_DISCOVERABLE_FLAG | BTM_BLE_BREDR_NOT_SUPPORTED; |
| 873 | uint8_t chip_service_uuid[2] = { BIT16_TO_8(__UUID16_CHIPoBLEService) }; |
| 874 | ChipBLEDeviceIdentificationInfo mDeviceIdInfo; |
| 875 | uint16_t deviceDiscriminator = 0; |
| 876 | uint8_t localDeviceNameLen; |
Praveen Chandran | 7b28de4 | 2022-01-17 12:00:07 -0800 | [diff] [blame] | 877 | uint8_t service_data[BLE_SERVICE_DATA_SIZE]; |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 878 | uint8_t * p = service_data; |
| 879 | |
Praveen Chandran | 7b28de4 | 2022-01-17 12:00:07 -0800 | [diff] [blame] | 880 | static_assert(BLE_SERVICE_DATA_SIZE == sizeof(ChipBLEDeviceIdentificationInfo) + 2, "BLE Service Data Size is incorrect"); |
| 881 | |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 882 | // Initialize the CHIP BLE Device Identification Information block that will be sent as payload |
| 883 | // within the BLE service advertisement data. |
| 884 | err = ConfigurationMgr().GetBLEDeviceIdentificationInfo(mDeviceIdInfo); |
| 885 | SuccessOrExit(err); |
| 886 | |
| 887 | // Get device discriminator |
| 888 | deviceDiscriminator = mDeviceIdInfo.GetDeviceDiscriminator(); |
| 889 | |
| 890 | // Verify device name was not already set |
| 891 | if (!sInstance.mFlags.Has(sInstance.Flags::kFlag_DeviceNameSet)) |
| 892 | { |
| 893 | /* Default device name is CHIP-<DISCRIMINATOR> */ |
| 894 | memset(sInstance.mDeviceName, 0, kMaxDeviceNameLength); |
| 895 | snprintf(sInstance.mDeviceName, kMaxDeviceNameLength, "%s%04u", CHIP_DEVICE_CONFIG_BLE_DEVICE_NAME_PREFIX, |
| 896 | deviceDiscriminator); |
| 897 | localDeviceNameLen = strlen(sInstance.mDeviceName); |
| 898 | |
Evgeny Margolis | 15ac917 | 2022-09-22 11:41:42 -0700 | [diff] [blame] | 899 | Platform::CopyString((char *) app_gap_device_name, sizeof(app_gap_device_name), sInstance.mDeviceName); |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 900 | app_gatt_db_ext_attr_tbl[0].cur_len = app_gatt_db_ext_attr_tbl[0].max_len < strlen(sInstance.mDeviceName) |
| 901 | ? app_gatt_db_ext_attr_tbl[0].max_len |
| 902 | : strlen(sInstance.mDeviceName); |
| 903 | |
| 904 | ChipLogProgress(DeviceLayer, "SetAdvertisingData: device name set: %s", sInstance.mDeviceName); |
| 905 | } |
| 906 | else |
| 907 | { |
| 908 | localDeviceNameLen = strlen(sInstance.mDeviceName); |
| 909 | } |
| 910 | |
Martin Turon | d24eff1 | 2021-12-17 06:21:23 -0800 | [diff] [blame] | 911 | /* First element is the advertisement flags */ |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 912 | adv_elem[num_elem].advert_type = BTM_BLE_ADVERT_TYPE_FLAG; |
| 913 | adv_elem[num_elem].len = sizeof(uint8_t); |
| 914 | adv_elem[num_elem].p_data = &flag; |
| 915 | num_elem++; |
| 916 | |
| 917 | /* Second element is the service data for CHIP service */ |
| 918 | adv_elem[num_elem].advert_type = BTM_BLE_ADVERT_TYPE_SERVICE_DATA; |
| 919 | adv_elem[num_elem].len = sizeof(service_data); |
| 920 | adv_elem[num_elem].p_data = service_data; |
| 921 | num_elem++; |
| 922 | UINT8_TO_STREAM(p, chip_service_uuid[0]); |
| 923 | UINT8_TO_STREAM(p, chip_service_uuid[1]); |
| 924 | UINT8_TO_STREAM(p, 0); // CHIP BLE Opcode == 0x00 (Uncommissioned) |
| 925 | UINT16_TO_STREAM(p, deviceDiscriminator); |
| 926 | UINT8_TO_STREAM(p, mDeviceIdInfo.DeviceVendorId[0]); |
| 927 | UINT8_TO_STREAM(p, mDeviceIdInfo.DeviceVendorId[1]); |
| 928 | UINT8_TO_STREAM(p, mDeviceIdInfo.DeviceProductId[0]); |
| 929 | UINT8_TO_STREAM(p, mDeviceIdInfo.DeviceProductId[1]); |
Praveen Chandran | 7b28de4 | 2022-01-17 12:00:07 -0800 | [diff] [blame] | 930 | UINT8_TO_STREAM(p, 0); // Additional Data Flag |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 931 | |
| 932 | adv_elem[num_elem].advert_type = BTM_BLE_ADVERT_TYPE_NAME_COMPLETE; |
| 933 | adv_elem[num_elem].len = localDeviceNameLen; |
| 934 | adv_elem[num_elem].p_data = (uint8_t *) sInstance.mDeviceName; |
| 935 | num_elem++; |
| 936 | |
| 937 | wiced_bt_ble_set_raw_advertisement_data(num_elem, adv_elem); |
| 938 | |
| 939 | /* Configure Scan Response data */ |
| 940 | num_elem = 0; |
| 941 | adv_elem[num_elem].advert_type = BTM_BLE_ADVERT_TYPE_NAME_COMPLETE; |
| 942 | adv_elem[num_elem].len = localDeviceNameLen; |
| 943 | adv_elem[num_elem].p_data = (uint8_t *) sInstance.mDeviceName; |
| 944 | num_elem++; |
| 945 | |
| 946 | wiced_bt_ble_set_raw_scan_response_data(num_elem, adv_elem); |
| 947 | |
| 948 | exit: |
| 949 | ChipLogProgress(DeviceLayer, "BLEManagerImpl::SetAdvertisingData err:%s", ErrorStr(err)); |
| 950 | } |
| 951 | |
| 952 | BLEManagerImpl::CHIPoBLEConState * BLEManagerImpl::AllocConnectionState(uint16_t conId) |
| 953 | { |
| 954 | for (uint16_t i = 0; i < kMaxConnections; i++) |
| 955 | { |
| 956 | if (mCons[i].connected == false) |
| 957 | { |
| 958 | mCons[i].ConId = conId; |
Praveen Chandran | a15e2b0 | 2022-07-18 16:54:00 -0700 | [diff] [blame] | 959 | mCons[i].Mtu = wiced_bt_cfg_settings.p_ble_cfg->ble_max_rx_pdu_size; |
Praveen Chandran | 080ae57 | 2021-08-12 07:58:27 -0700 | [diff] [blame] | 960 | mCons[i].connected = false; |
| 961 | |
| 962 | mNumCons++; |
| 963 | |
| 964 | return &mCons[i]; |
| 965 | } |
| 966 | } |
| 967 | ChipLogError(DeviceLayer, "Failed to allocate CHIPoBLEConState"); |
| 968 | return NULL; |
| 969 | } |
| 970 | |
| 971 | BLEManagerImpl::CHIPoBLEConState * BLEManagerImpl::GetConnectionState(uint16_t conId) |
| 972 | { |
| 973 | for (uint16_t i = 0; i < kMaxConnections; i++) |
| 974 | { |
| 975 | if (mCons[i].ConId == conId) |
| 976 | { |
| 977 | return &mCons[i]; |
| 978 | } |
| 979 | } |
| 980 | ChipLogError(DeviceLayer, "Failed to find CHIPoBLEConState"); |
| 981 | return NULL; |
| 982 | } |
| 983 | |
| 984 | bool BLEManagerImpl::ReleaseConnectionState(uint16_t conId) |
| 985 | { |
| 986 | for (uint16_t i = 0; i < kMaxConnections; i++) |
| 987 | { |
| 988 | if (mCons[i].ConId == conId) |
| 989 | { |
| 990 | memset(&mCons[i], 0, sizeof(CHIPoBLEConState)); |
| 991 | mNumCons--; |
| 992 | return true; |
| 993 | } |
| 994 | } |
| 995 | ChipLogError(DeviceLayer, "Failed to delete CHIPoBLEConState"); |
| 996 | return false; |
| 997 | } |
| 998 | |
| 999 | void BLEManagerImpl::DriveBLEState(intptr_t arg) |
| 1000 | { |
| 1001 | sInstance.DriveBLEState(); |
| 1002 | } |
| 1003 | |
| 1004 | } // namespace Internal |
| 1005 | } // namespace DeviceLayer |
| 1006 | } // namespace chip |
| 1007 | |
| 1008 | #endif |