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BLEManagerImpl.cpp
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/*
*
* Copyright (c) 2020-2021 Project CHIP Authors
* Copyright (c) 2018 Nest Labs, Inc.
* All rights reserved.
*
* 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 ESP32 platform.
*/
/* this file behaves like a config.h, comes first */
#include <platform/internal/CHIPDeviceLayerInternal.h>
#if CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE
#include "sdkconfig.h"
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
#include <lib/support/CodeUtils.h>
#endif
#ifdef CONFIG_BT_BLUEDROID_ENABLED
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
#include <ble/Ble.h>
#endif
#include <lib/support/CodeUtils.h>
#include <lib/support/logging/CHIPLogging.h>
#include <platform/CommissionableDataProvider.h>
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
#include <platform/DeviceInstanceInfoProvider.h>
#include <platform/ESP32/BLEManagerImpl.h>
#include <platform/ESP32/ChipDeviceScanner.h>
#endif
#include <platform/internal/BLEManager.h>
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
#include <setup_payload/AdditionalDataPayloadGenerator.h>
#include <system/SystemTimer.h>
#endif
#include "esp_bt.h"
#include "esp_bt_main.h"
#include "esp_gap_ble_api.h"
#include "esp_gatt_common_api.h"
#include "esp_gatts_api.h"
#include "esp_log.h"
#define MAX_ADV_DATA_LEN 31
#define CHIP_ADV_DATA_TYPE_FLAGS 0x01
#define CHIP_ADV_DATA_FLAGS 0x06
#define CHIP_ADV_DATA_TYPE_SERVICE_DATA 0x16
#define CHIP_MAX_MTU_SIZE 256
using namespace ::chip;
using namespace ::chip::Ble;
namespace chip {
namespace DeviceLayer {
namespace Internal {
namespace {
struct ESP32ChipServiceData
{
uint8_t ServiceUUID[2];
ChipBLEDeviceIdentificationInfo DeviceIdInfo;
};
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
static constexpr uint16_t kNewConnectionScanTimeout = 60;
static constexpr uint16_t kConnectTimeout = 20;
#endif
const uint16_t CHIPoBLEAppId = 0x235A;
const uint8_t UUID_PrimaryService[] = { 0x00, 0x28 };
const uint8_t UUID_CharDecl[] = { 0x03, 0x28 };
const uint8_t UUID_ClientCharConfigDesc[] = { 0x02, 0x29 };
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 };
const uint8_t UUID_CHIPoBLEChar_RX[] = { 0x11, 0x9D, 0x9F, 0x42, 0x9C, 0x4F, 0x9F, 0x95,
0x59, 0x45, 0x3D, 0x26, 0xF5, 0x2E, 0xEE, 0x18 };
const uint8_t UUID_CHIPoBLEChar_TX[] = { 0x12, 0x9D, 0x9F, 0x42, 0x9C, 0x4F, 0x9F, 0x95,
0x59, 0x45, 0x3D, 0x26, 0xF5, 0x2E, 0xEE, 0x18 };
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
const uint8_t ShortUUID_CHIPoBLE_CharTx_Desc[] = { 0x02, 0x29 };
#endif
const uint8_t CharProps_ReadNotify = ESP_GATT_CHAR_PROP_BIT_READ | ESP_GATT_CHAR_PROP_BIT_NOTIFY;
const uint8_t CharProps_Write = ESP_GATT_CHAR_PROP_BIT_WRITE;
// Offsets into CHIPoBLEGATTAttrs for specific attributes.
enum
{
kAttrIndex_ServiceDeclaration = 0,
kAttrIndex_RXCharValue = 2,
kAttrIndex_TXCharValue = 4,
kAttrIndex_TXCharCCCDValue = 5,
};
// Table of attribute definitions for Chip over BLE GATT service.
const esp_gatts_attr_db_t CHIPoBLEGATTAttrs[] = {
// Service Declaration for Chip over BLE Service
{ { ESP_GATT_AUTO_RSP },
{ ESP_UUID_LEN_16, (uint8_t *) UUID_PrimaryService, ESP_GATT_PERM_READ, ESP_UUID_LEN_16, ESP_UUID_LEN_16,
(uint8_t *) ShortUUID_CHIPoBLEService } },
// ----- Chip over BLE RX Characteristic -----
// Characteristic declaration
{ { ESP_GATT_AUTO_RSP },
{ ESP_UUID_LEN_16, (uint8_t *) UUID_CharDecl, ESP_GATT_PERM_READ, 1, 1, (uint8_t *) &CharProps_Write } },
// Characteristic value
{ { ESP_GATT_RSP_BY_APP }, { ESP_UUID_LEN_128, (uint8_t *) UUID_CHIPoBLEChar_RX, ESP_GATT_PERM_WRITE, 512, 0, NULL } },
// ----- Chip over BLE TX Characteristic -----
// Characteristic declaration
{ { ESP_GATT_AUTO_RSP },
{ ESP_UUID_LEN_16, (uint8_t *) UUID_CharDecl, ESP_GATT_PERM_READ, 1, 1, (uint8_t *) &CharProps_ReadNotify } },
// Characteristic value
{ { ESP_GATT_RSP_BY_APP }, { ESP_UUID_LEN_128, (uint8_t *) UUID_CHIPoBLEChar_TX, ESP_GATT_PERM_READ, 512, 0, NULL } },
// Client characteristic configuration description (CCCD) value
{ { ESP_GATT_RSP_BY_APP },
{ ESP_UUID_LEN_16, (uint8_t *) UUID_ClientCharConfigDesc, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE, 2, 0, NULL } },
};
const uint16_t CHIPoBLEGATTAttrCount = sizeof(CHIPoBLEGATTAttrs) / sizeof(CHIPoBLEGATTAttrs[0]);
} // unnamed namespace
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
ChipDeviceScanner & mDeviceScanner = Internal::ChipDeviceScanner::GetInstance();
#endif
BLEManagerImpl BLEManagerImpl::sInstance;
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
static esp_gattc_char_elem_t * char_elem_result = NULL;
static esp_gattc_descr_elem_t * descr_elem_result = NULL;
/// Declare static functions
static void esp_gattc_cb(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t * param);
static esp_bt_uuid_t remote_filter_service_uuid = {
.len = ESP_UUID_LEN_16,
.uuid = {.uuid16 = 0xFFF6,},
};
static esp_bt_uuid_t notify_descr_uuid = {
.len = ESP_UUID_LEN_16,
};
static bool connect = false;
static bool get_server = false;
static uint16_t connId;
#define PROFILE_NUM 1
#define PROFILE_A_APP_ID 0
#define INVALID_HANDLE 0
struct gattc_profile_inst
{
esp_gattc_cb_t gattc_cb;
uint16_t gattc_if;
uint16_t app_id;
uint16_t conn_id;
uint16_t service_start_handle;
uint16_t service_end_handle;
uint16_t notify_char_handle;
uint16_t write_char_handle;
esp_bd_addr_t remote_bda;
};
/* One gatt-based profile one app_id and one , this array will store the gattc_if returned by ESP_GATTS_REG_EVT */
static struct gattc_profile_inst gl_profile_tab[PROFILE_NUM] = {
[PROFILE_A_APP_ID] = {
.gattc_cb = BLEManagerImpl::gattc_profile_event_handler,
.gattc_if = ESP_GATT_IF_NONE, /* Not get the gatt_if, so initial is ESP_GATT_IF_NONE */
},
};
static esp_gatt_if_t chip_ctrl_gattc_if = 0;
#endif
CHIP_ERROR BLEManagerImpl::_Init()
{
CHIP_ERROR err;
// Initialize the Chip BleLayer.
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
err = BleLayer::Init(this, this, this, &DeviceLayer::SystemLayer());
#else
err = BleLayer::Init(this, this, &DeviceLayer::SystemLayer());
#endif
SuccessOrExit(err);
memset(reinterpret_cast<void *>(mCons), 0, sizeof(mCons));
mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Enabled;
mAppIf = ESP_GATT_IF_NONE;
mServiceAttrHandle = 0;
mRXCharAttrHandle = 0;
mTXCharAttrHandle = 0;
mTXCharCCCDAttrHandle = 0;
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
mFlags.ClearAll().Set(Flags::kAdvertisingEnabled, CHIP_DEVICE_CONFIG_CHIPOBLE_ENABLE_ADVERTISING_AUTOSTART && !mIsCentral);
mFlags.Set(Flags::kFastAdvertisingEnabled, !mIsCentral);
#else
mFlags.ClearAll().Set(Flags::kAdvertisingEnabled, CHIP_DEVICE_CONFIG_CHIPOBLE_ENABLE_ADVERTISING_AUTOSTART);
mFlags.Set(Flags::kFastAdvertisingEnabled, true);
#endif
memset(mDeviceName, 0, sizeof(mDeviceName));
PlatformMgr().ScheduleWork(DriveBLEState, 0);
exit:
return err;
}
void BLEManagerImpl::_Shutdown()
{
CancelBleAdvTimeoutTimer();
BleLayer::Shutdown();
mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Disabled;
// selectively setting kGATTServiceStarted flag, in order to notify the state machine to stop the CHIPoBLE gatt service
mFlags.ClearAll().Set(Flags::kGATTServiceStarted);
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
OnChipBleConnectReceived = nullptr;
#endif // CONFIG_ENABLE_ESP32_BLE_CONTROLLER
PlatformMgr().ScheduleWork(DriveBLEState, 0);
}
CHIP_ERROR BLEManagerImpl::_SetAdvertisingEnabled(bool val)
{
CHIP_ERROR err = CHIP_NO_ERROR;
VerifyOrExit(mServiceMode != ConnectivityManager::kCHIPoBLEServiceMode_NotSupported, err = CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE);
if (val)
{
StartBleAdvTimeoutTimer(CHIP_DEVICE_CONFIG_BLE_ADVERTISING_INTERVAL_CHANGE_TIME);
}
mFlags.Set(Flags::kFastAdvertisingEnabled, val);
mFlags.Set(Flags::kAdvertisingRefreshNeeded, 1);
mFlags.Set(Flags::kAdvertisingEnabled, val);
PlatformMgr().ScheduleWork(DriveBLEState, 0);
exit:
return err;
}
void BLEManagerImpl::BleAdvTimeoutHandler(System::Layer *, void *)
{
if (BLEMgrImpl().mFlags.Has(Flags::kFastAdvertisingEnabled))
{
ChipLogProgress(DeviceLayer, "bleAdv Timeout : Start slow advertisement");
BLEMgrImpl().mFlags.Set(Flags::kFastAdvertisingEnabled, 0);
BLEMgrImpl().mFlags.Set(Flags::kAdvertisingRefreshNeeded, 1);
#if CHIP_DEVICE_CONFIG_EXT_ADVERTISING
BLEMgrImpl().mFlags.Clear(Flags::kExtAdvertisingEnabled);
BLEMgrImpl().StartBleAdvTimeoutTimer(CHIP_DEVICE_CONFIG_BLE_EXT_ADVERTISING_INTERVAL_CHANGE_TIME_MS);
#endif
}
#if CHIP_DEVICE_CONFIG_EXT_ADVERTISING
else
{
ChipLogProgress(DeviceLayer, "bleAdv Timeout : Start extended advertisement");
BLEMgrImpl().mFlags.Set(Flags::kAdvertising);
BLEMgrImpl().mFlags.Set(Flags::kExtAdvertisingEnabled);
BLEMgr().SetAdvertisingMode(BLEAdvertisingMode::kSlowAdvertising);
BLEMgrImpl().mFlags.Set(Flags::kAdvertisingRefreshNeeded, 1);
}
#endif
PlatformMgr().ScheduleWork(DriveBLEState, 0);
}
CHIP_ERROR BLEManagerImpl::_SetAdvertisingMode(BLEAdvertisingMode mode)
{
switch (mode)
{
case BLEAdvertisingMode::kFastAdvertising:
mFlags.Set(Flags::kFastAdvertisingEnabled);
break;
case BLEAdvertisingMode::kSlowAdvertising:
mFlags.Clear(Flags::kFastAdvertisingEnabled);
break;
default:
return CHIP_ERROR_INVALID_ARGUMENT;
}
mFlags.Set(Flags::kAdvertisingRefreshNeeded);
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::kUseCustomDeviceName);
}
else
{
mDeviceName[0] = 0;
mFlags.Clear(Flags::kUseCustomDeviceName);
}
return CHIP_NO_ERROR;
}
void BLEManagerImpl::_OnPlatformEvent(const ChipDeviceEvent * event)
{
switch (event->Type)
{
case DeviceEventType::kCHIPoBLESubscribe:
HandleSubscribeReceived(event->CHIPoBLESubscribe.ConId, &CHIP_BLE_SVC_ID, &Ble::CHIP_BLE_CHAR_2_UUID);
{
ChipDeviceEvent connectionEvent;
connectionEvent.Type = DeviceEventType::kCHIPoBLEConnectionEstablished;
PlatformMgr().PostEventOrDie(&connectionEvent);
}
break;
case DeviceEventType::kCHIPoBLEUnsubscribe:
HandleUnsubscribeReceived(event->CHIPoBLEUnsubscribe.ConId, &CHIP_BLE_SVC_ID, &Ble::CHIP_BLE_CHAR_2_UUID);
break;
case DeviceEventType::kCHIPoBLEWriteReceived:
HandleWriteReceived(event->CHIPoBLEWriteReceived.ConId, &CHIP_BLE_SVC_ID, &Ble::CHIP_BLE_CHAR_1_UUID,
PacketBufferHandle::Adopt(event->CHIPoBLEWriteReceived.Data));
break;
case DeviceEventType::kCHIPoBLEIndicateConfirm:
HandleIndicationConfirmation(event->CHIPoBLEIndicateConfirm.ConId, &CHIP_BLE_SVC_ID, &Ble::CHIP_BLE_CHAR_2_UUID);
break;
case DeviceEventType::kCHIPoBLEConnectionError:
HandleConnectionError(event->CHIPoBLEConnectionError.ConId, event->CHIPoBLEConnectionError.Reason);
break;
case DeviceEventType::kServiceProvisioningChange:
case DeviceEventType::kWiFiConnectivityChange:
// Force the advertising configuration to be refreshed to reflect new provisioning state.
ChipLogProgress(DeviceLayer, "Updating advertising data");
mFlags.Clear(Flags::kAdvertisingConfigured);
mFlags.Set(Flags::kAdvertisingRefreshNeeded);
DriveBLEState();
break;
default:
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
HandlePlatformSpecificBLEEvent(event);
#endif
break;
}
}
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
void BLEManagerImpl::HandlePlatformSpecificBLEEvent(const ChipDeviceEvent * apEvent)
{
CHIP_ERROR err = CHIP_NO_ERROR;
ChipLogProgress(DeviceLayer, "HandlePlatformSpecificBLEEvent %d", apEvent->Type);
switch (apEvent->Type)
{
case DeviceEventType::kPlatformESP32BLECentralConnected:
if (BLEManagerImpl::mBLEScanConfig.mBleScanState == BleScanState::kConnecting)
{
BleConnectionDelegate::OnConnectionComplete(mBLEScanConfig.mAppState,
apEvent->Platform.BLECentralConnected.mConnection);
CleanScanConfig();
}
break;
case DeviceEventType::kPlatformESP32BLECentralConnectFailed:
if (BLEManagerImpl::mBLEScanConfig.mBleScanState == BleScanState::kConnecting)
{
BleConnectionDelegate::OnConnectionError(mBLEScanConfig.mAppState, apEvent->Platform.BLECentralConnectFailed.mError);
CleanScanConfig();
}
break;
case DeviceEventType::kPlatformESP32BLEWriteComplete:
HandleWriteConfirmation(apEvent->Platform.BLEWriteComplete.mConnection, &CHIP_BLE_SVC_ID, &Ble::CHIP_BLE_CHAR_1_UUID);
break;
case DeviceEventType::kPlatformESP32BLESubscribeOpComplete:
if (apEvent->Platform.BLESubscribeOpComplete.mIsSubscribed)
HandleSubscribeComplete(apEvent->Platform.BLESubscribeOpComplete.mConnection, &CHIP_BLE_SVC_ID,
&Ble::CHIP_BLE_CHAR_2_UUID);
else
HandleUnsubscribeComplete(apEvent->Platform.BLESubscribeOpComplete.mConnection, &CHIP_BLE_SVC_ID,
&Ble::CHIP_BLE_CHAR_2_UUID);
break;
case DeviceEventType::kPlatformESP32BLEIndicationReceived:
HandleIndicationReceived(apEvent->Platform.BLEIndicationReceived.mConnection, &CHIP_BLE_SVC_ID, &Ble::CHIP_BLE_CHAR_2_UUID,
PacketBufferHandle::Adopt(apEvent->Platform.BLEIndicationReceived.mData));
break;
default:
break;
}
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "Disabling CHIPoBLE service due to error: %s", ErrorStr(err));
mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Disabled;
}
}
void BLEManagerImpl::gattc_profile_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if,
esp_ble_gattc_cb_param_t * param)
{
esp_ble_gattc_cb_param_t * p_data = (esp_ble_gattc_cb_param_t *) param;
CHIP_ERROR err = CHIP_NO_ERROR;
switch (event)
{
case ESP_GATTC_REG_EVT:
if (param->reg.status == ESP_GATT_OK)
{
chip_ctrl_gattc_if = gattc_if;
}
else
{
ChipLogProgress(Ble, "Reg app failed, app_id %04x, status 0x%x", param->reg.app_id, param->reg.status);
return;
}
break;
case ESP_GATTC_CONNECT_EVT:
err = sInstance.HandleGAPConnect(*p_data);
SuccessOrExit(err);
break;
case ESP_GATTC_OPEN_EVT:
if (param->open.status != ESP_GATT_OK)
{
ChipLogProgress(Ble, "open failed, status %d", p_data->open.status);
break;
}
ChipLogProgress(Ble, "open success");
break;
case ESP_GATTC_DIS_SRVC_CMPL_EVT:
if (param->dis_srvc_cmpl.status != ESP_GATT_OK)
{
ChipLogProgress(Ble, "discover service failed, status %d", param->dis_srvc_cmpl.status);
break;
}
ChipLogProgress(Ble, "discover service complete conn_id %d", param->dis_srvc_cmpl.conn_id);
esp_ble_gattc_search_service(gattc_if, param->cfg_mtu.conn_id, &remote_filter_service_uuid);
break;
case ESP_GATTC_CFG_MTU_EVT:
if (param->cfg_mtu.status != ESP_GATT_OK)
{
ChipLogProgress(Ble, "config mtu failed, error status = %x", param->cfg_mtu.status);
}
ChipLogProgress(Ble, "ESP_GATTC_CFG_MTU_EVT, Status %d, MTU %d, conn_id %d", param->cfg_mtu.status, param->cfg_mtu.mtu,
param->cfg_mtu.conn_id);
break;
case ESP_GATTC_SEARCH_RES_EVT: {
ChipLogProgress(Ble, "SEARCH RES: conn_id = %x is primary service %d", p_data->search_res.conn_id,
p_data->search_res.is_primary);
ChipLogProgress(Ble, "start handle %d end handle %d current handle value %d", p_data->search_res.start_handle,
p_data->search_res.end_handle, p_data->search_res.srvc_id.inst_id);
if (p_data->search_res.srvc_id.uuid.len == ESP_UUID_LEN_16 && p_data->search_res.srvc_id.uuid.uuid.uuid16 == 0xFFF6)
{
ChipLogProgress(Ble, "service found");
get_server = true;
gl_profile_tab[PROFILE_A_APP_ID].service_start_handle = p_data->search_res.start_handle;
gl_profile_tab[PROFILE_A_APP_ID].service_end_handle = p_data->search_res.end_handle;
ChipLogProgress(Ble, "UUID16: %x", p_data->search_res.srvc_id.uuid.uuid.uuid16);
}
break;
}
case ESP_GATTC_SEARCH_CMPL_EVT: {
if (p_data->search_cmpl.status != ESP_GATT_OK)
{
ChipLogProgress(Ble, "search service failed, error status = %x", p_data->search_cmpl.status);
break;
}
if (p_data->search_cmpl.searched_service_source == ESP_GATT_SERVICE_FROM_REMOTE_DEVICE)
{
ChipLogProgress(Ble, "Get service information from remote device");
}
else if (p_data->search_cmpl.searched_service_source == ESP_GATT_SERVICE_FROM_NVS_FLASH)
{
ChipLogProgress(Ble, "Get service information from flash");
}
else
{
ChipLogProgress(Ble, "unknown service source");
}
ChipLogProgress(Ble, "ESP_GATTC_SEARCH_CMPL_EVT");
if (get_server)
{
uint16_t count = 0;
uint16_t offset = 0;
esp_gatt_status_t status =
esp_ble_gattc_get_attr_count(gattc_if, p_data->search_cmpl.conn_id, ESP_GATT_DB_CHARACTERISTIC,
gl_profile_tab[PROFILE_A_APP_ID].service_start_handle,
gl_profile_tab[PROFILE_A_APP_ID].service_end_handle, INVALID_HANDLE, &count);
if (status != ESP_GATT_OK)
{
ChipLogProgress(Ble, "esp_ble_gattc_get_attr_count error");
}
ChipLogProgress(Ble, "Count : %d", count);
if (count > 0)
{
char_elem_result = (esp_gattc_char_elem_t *) malloc(sizeof(esp_gattc_char_elem_t) * count);
// memset(char_elem_result, 0xff, sizeof(esp_gattc_char_elem_t) * count);
if (!char_elem_result)
{
ChipLogProgress(Ble, "gattc no mem");
break;
}
else
{
status = esp_ble_gattc_get_all_char(
gattc_if, p_data->search_cmpl.conn_id, gl_profile_tab[PROFILE_A_APP_ID].service_start_handle,
gl_profile_tab[PROFILE_A_APP_ID].service_end_handle, char_elem_result, &count, offset);
if (status != 0)
{
ChipLogProgress(Ble, "esp_ble_gattc_get_char_by_uuid error");
}
/* Every service have only one char in our 'ESP_GATTS_DEMO' demo, so we used first 'char_elem_result' */
}
}
if (count > 0)
{
for (int i = 0; i < count; i++)
{
if (char_elem_result[i].uuid.len == ESP_UUID_LEN_128)
{
if (char_elem_result[i].properties & CharProps_Write)
{
gl_profile_tab[PROFILE_A_APP_ID].write_char_handle = char_elem_result[i].char_handle;
}
else if (char_elem_result[i].properties & CharProps_ReadNotify)
{
gl_profile_tab[PROFILE_A_APP_ID].notify_char_handle = char_elem_result[i].char_handle;
esp_ble_gattc_register_for_notify(gattc_if, gl_profile_tab[PROFILE_A_APP_ID].remote_bda,
char_elem_result[i].char_handle);
}
}
}
}
free(char_elem_result);
}
else
{
ChipLogProgress(Ble, "no char found");
}
}
break;
case ESP_GATTC_REG_FOR_NOTIFY_EVT: {
ChipLogProgress(Ble, "ESP_GATTC_REG_FOR_NOTIFY_EVT");
if (p_data->reg_for_notify.status != ESP_GATT_OK)
{
ChipLogProgress(Ble, "REG FOR NOTIFY failed: error status = %d", p_data->reg_for_notify.status);
}
else
{
uint16_t count = 0;
esp_gatt_status_t ret_status = esp_ble_gattc_get_attr_count(
gattc_if, gl_profile_tab[PROFILE_A_APP_ID].conn_id, ESP_GATT_DB_DESCRIPTOR,
gl_profile_tab[PROFILE_A_APP_ID].service_start_handle, gl_profile_tab[PROFILE_A_APP_ID].service_end_handle,
gl_profile_tab[PROFILE_A_APP_ID].notify_char_handle, &count);
if (ret_status != ESP_GATT_OK)
{
ChipLogProgress(Ble, "esp_ble_gattc_get_attr_count error");
}
if (count > 0)
{
descr_elem_result = (esp_gattc_descr_elem_t *) malloc(sizeof(esp_gattc_descr_elem_t) * count);
if (!descr_elem_result)
{
ChipLogProgress(Ble, "malloc error, gattc no mem");
}
else
{
memcpy(¬ify_descr_uuid.uuid.uuid16, ShortUUID_CHIPoBLE_CharTx_Desc, 2);
ret_status = esp_ble_gattc_get_descr_by_char_handle(gattc_if, gl_profile_tab[PROFILE_A_APP_ID].conn_id,
p_data->reg_for_notify.handle, notify_descr_uuid,
descr_elem_result, &count);
ChipLogProgress(Ble, "discoverd all chars and discr.........\n\n");
ChipDeviceEvent chipEvent;
chipEvent.Type = DeviceEventType::kPlatformESP32BLECentralConnected;
chipEvent.Platform.BLECentralConnected.mConnection = connId;
PlatformMgr().PostEventOrDie(&chipEvent);
if (ret_status != ESP_GATT_OK)
{
ChipLogProgress(Ble, "esp_ble_gattc_get_descr_by_char_handle error");
}
/* Every char has only one descriptor in our 'ESP_GATTS_DEMO' demo, so we used first 'descr_elem_result' */
if (count > 0 && descr_elem_result[0].uuid.len == ESP_UUID_LEN_16 &&
descr_elem_result[0].uuid.uuid.uuid16 == ESP_GATT_UUID_CHAR_CLIENT_CONFIG)
{
}
if (ret_status != ESP_GATT_OK)
{
ChipLogProgress(Ble, "esp_ble_gattc_write_char_descr error");
}
free(descr_elem_result);
}
}
}
ChipLogProgress(Ble, "decsr not found");
}
break;
case ESP_GATTC_NOTIFY_EVT:
if (p_data->notify.is_notify)
{
ChipLogProgress(Ble, "ESP_GATTC_NOTIFY_EVT, receive notify value:");
}
else
{
ChipLogProgress(Ble, "ESP_GATTC_NOTIFY_EVT, receive indicate value:");
}
err = sInstance.HandleRXNotify(*p_data);
SuccessOrExit(err);
break;
case ESP_GATTC_WRITE_DESCR_EVT:
if (p_data->write.status != ESP_GATT_OK)
{
ChipLogProgress(Ble, "write descr failed, error status = %x", p_data->write.status);
break;
}
ChipLogProgress(Ble, "write descr success ");
break;
case ESP_GATTC_SRVC_CHG_EVT: {
esp_bd_addr_t bda;
memcpy(bda, p_data->srvc_chg.remote_bda, sizeof(esp_bd_addr_t));
ChipLogProgress(Ble, "ESP_GATTC_SRVC_CHG_EVT, bd_addr:");
break;
}
case ESP_GATTC_WRITE_CHAR_EVT:
if (p_data->write.status != ESP_GATT_OK)
{
ChipLogProgress(Ble, "write char failed, error status = %x", p_data->write.status);
break;
}
ChipLogProgress(Ble, "write char success ");
break;
case ESP_GATTC_DISCONNECT_EVT:
connect = false;
get_server = false;
ChipLogProgress(Ble, "ESP_GATTC_DISCONNECT_EVT, reason = %d", p_data->disconnect.reason);
break;
default:
break;
}
exit:
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "Disabling CHIPoBLE service due to error: %s", ErrorStr(err));
sInstance.mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Disabled;
}
// Schedule DriveBLEState() to run.
PlatformMgr().ScheduleWork(DriveBLEState, 0);
}
static void esp_gattc_cb(esp_gattc_cb_event_t event, esp_gatt_if_t gattc_if, esp_ble_gattc_cb_param_t * param)
{
/* If event is register event, store the for each profile */
if (event == ESP_GATTC_REG_EVT)
{
if (param->reg.status == ESP_GATT_OK)
{
gl_profile_tab[param->reg.app_id].gattc_if = gattc_if;
}
else
{
ChipLogProgress(Ble, "reg app failed, app_id %04x, status %d", param->reg.app_id, param->reg.status);
return;
}
}
/* If the equal to profile A, call profile A cb handler,
* so here call each profile's callback */
do
{
int idx;
for (idx = 0; idx < PROFILE_NUM; idx++)
{
if (gattc_if == ESP_GATT_IF_NONE || /* ESP_GATT_IF_NONE, not specify a certain gatt_if, need to call every profile cb
function */
gattc_if == gl_profile_tab[idx].gattc_if)
{
if (gl_profile_tab[idx].gattc_cb)
{
gl_profile_tab[idx].gattc_cb(event, gattc_if, param);
}
}
}
} while (0);
}
void BLEManagerImpl::HandleConnectFailed(CHIP_ERROR error)
{
if (sInstance.mIsCentral)
{
ChipDeviceEvent event;
event.Type = DeviceEventType::kPlatformESP32BLECentralConnectFailed;
event.Platform.BLECentralConnectFailed.mError = error;
PlatformMgr().PostEventOrDie(&event);
}
}
void BLEManagerImpl::CancelConnect(void)
{
int rc = esp_ble_gattc_close(chip_ctrl_gattc_if, connId);
VerifyOrReturn(rc == 0, ChipLogError(Ble, "Failed to cancel connection rc=%d", rc));
}
void BLEManagerImpl::ConnectDevice(esp_bd_addr_t & addr, esp_ble_addr_type_t addr_type, uint16_t timeout)
{
int rc;
rc = esp_ble_gattc_open(chip_ctrl_gattc_if, addr, addr_type, true);
if (rc != 0)
{
ChipLogError(Ble, "Failed to connect to rc=%d", rc);
}
}
#endif
CHIP_ERROR BLEManagerImpl::SubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId,
const ChipBleUUID * charId)
{
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
uint8_t value[2];
int rc;
value[0] = 0x02;
value[1] = 0x00;
rc = esp_ble_gattc_write_char_descr(chip_ctrl_gattc_if, gl_profile_tab[PROFILE_A_APP_ID].conn_id, descr_elem_result[0].handle,
sizeof(value), value, ESP_GATT_WRITE_TYPE_RSP, ESP_GATT_AUTH_REQ_NONE);
if (rc != 0)
{
ChipLogError(Ble, "esp_ble_gattc_get_descr_by_char_handle failed: %d", rc);
esp_ble_gattc_close(chip_ctrl_gattc_if, conId);
return BLE_ERROR_GATT_SUBSCRIBE_FAILED;
}
ChipDeviceEvent event;
event.Type = DeviceEventType::kPlatformESP32BLESubscribeOpComplete;
event.Platform.BLESubscribeOpComplete.mConnection = conId;
event.Platform.BLESubscribeOpComplete.mIsSubscribed = true;
PlatformMgr().PostEventOrDie(&event);
return CHIP_NO_ERROR;
#else
return CHIP_ERROR_NOT_IMPLEMENTED;
#endif
}
CHIP_ERROR BLEManagerImpl::UnsubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId,
const ChipBleUUID * charId)
{
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
uint8_t value[2];
int rc;
value[0] = 0x00;
value[1] = 0x00;
rc = esp_ble_gattc_write_char_descr(chip_ctrl_gattc_if, gl_profile_tab[PROFILE_A_APP_ID].conn_id, descr_elem_result[0].handle,
sizeof(value), value, ESP_GATT_WRITE_TYPE_RSP, ESP_GATT_AUTH_REQ_NONE);
if (rc != 0)
{
ChipLogError(Ble, "ble_gattc_write_flat failed: %d", rc);
esp_ble_gattc_close(chip_ctrl_gattc_if, conId);
return BLE_ERROR_GATT_UNSUBSCRIBE_FAILED;
}
ChipDeviceEvent event;
event.Type = DeviceEventType::kPlatformESP32BLESubscribeOpComplete;
event.Platform.BLESubscribeOpComplete.mConnection = conId;
event.Platform.BLESubscribeOpComplete.mIsSubscribed = false;
PlatformMgr().PostEventOrDie(&event);
return CHIP_NO_ERROR;
#else
return CHIP_ERROR_NOT_IMPLEMENTED;
#endif
}
CHIP_ERROR BLEManagerImpl::CloseConnection(BLE_CONNECTION_OBJECT conId)
{
CHIP_ERROR err;
ChipLogProgress(DeviceLayer, "Closing BLE GATT connection (con %u)", conId);
// Signal the ESP BLE layer to close the conntion.
err = MapBLEError(esp_ble_gatts_close(mAppIf, conId));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gatts_close() failed: %s", ErrorStr(err));
}
// Release the associated connection state record.
ReleaseConnectionState(conId);
#ifndef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
// Force a refresh of the advertising state.
mFlags.Set(Flags::kAdvertisingRefreshNeeded);
mFlags.Clear(Flags::kAdvertisingConfigured);
PlatformMgr().ScheduleWork(DriveBLEState, 0);
#endif
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);
ESP_LOGD(TAG, "Sending indication for CHIPoBLE TX characteristic (con %u, len %u)", conId, data->DataLength());
VerifyOrExit(conState != NULL, err = CHIP_ERROR_INVALID_ARGUMENT);
VerifyOrExit(conState->PendingIndBuf.IsNull(), err = CHIP_ERROR_INCORRECT_STATE);
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
ChipLogDetail(Ble, "Sending indication for CHIPoBLE TX characteristic (con %u, len %u)", conId, data->DataLength());
#endif
// Set param need_confirm as false will send notification, otherwise indication.
err = MapBLEError(esp_ble_gatts_send_indicate(mAppIf, conId, mTXCharAttrHandle, static_cast<uint16_t>(data->DataLength()),
data->Start(), true /* need_confirm */));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gatts_send_indicate() failed: %s", ErrorStr(err));
ExitNow();
}
// Save a reference to the buffer until we get a indication from the ESP BLE layer that it
// has been sent.
conState->PendingIndBuf = std::move(data);
exit:
return err;
}
CHIP_ERROR BLEManagerImpl::SendWriteRequest(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId,
PacketBufferHandle pBuf)
{
#ifdef CONFIG_ENABLE_ESP32_BLE_CONTROLLER
ChipLogProgress(Ble, "In send write request\n");
int rc;
rc = esp_ble_gattc_write_char(chip_ctrl_gattc_if, gl_profile_tab[PROFILE_A_APP_ID].conn_id,
gl_profile_tab[PROFILE_A_APP_ID].write_char_handle, pBuf->DataLength(), pBuf->Start(),
ESP_GATT_WRITE_TYPE_RSP, ESP_GATT_AUTH_REQ_NONE);
if (rc != 0)
{
ChipLogError(Ble, "ble_gattc_write_flat failed: %d", rc);
return BLE_ERROR_GATT_WRITE_FAILED;
}
ChipDeviceEvent event;
event.Type = DeviceEventType::kPlatformESP32BLEWriteComplete;
event.Platform.BLEWriteComplete.mConnection = conId;
PlatformMgr().PostEventOrDie(&event);
return CHIP_NO_ERROR;
#else
return CHIP_ERROR_NOT_IMPLEMENTED;
#endif
}
void BLEManagerImpl::NotifyChipConnectionClosed(BLE_CONNECTION_OBJECT conId)
{
ChipLogProgress(Ble, "Got notification regarding chip connection closure");
CloseConnection(conId);
}
CHIP_ERROR BLEManagerImpl::MapBLEError(int bleErr)
{
switch (bleErr)
{
case ESP_OK:
return CHIP_NO_ERROR;
case ESP_ERR_INVALID_ARG:
return CHIP_ERROR_INVALID_ARGUMENT;
case ESP_ERR_INVALID_STATE:
return CHIP_ERROR_INCORRECT_STATE;
case ESP_ERR_NO_MEM:
return CHIP_ERROR_NO_MEMORY;
default:
return CHIP_ERROR(ChipError::Range::kPlatform, CHIP_DEVICE_CONFIG_ESP32_BLE_ERROR_MIN + bleErr);
}
}
void BLEManagerImpl::CancelBleAdvTimeoutTimer(void)
{
SystemLayer().CancelTimer(BleAdvTimeoutHandler, nullptr);
}
void BLEManagerImpl::StartBleAdvTimeoutTimer(uint32_t aTimeoutInMs)
{
CHIP_ERROR err = SystemLayer().StartTimer(System::Clock::Milliseconds32(aTimeoutInMs), BleAdvTimeoutHandler, nullptr);
if ((err != CHIP_NO_ERROR))
{
ChipLogError(DeviceLayer, "Failed to start BledAdv timeout timer");
}
}
void BLEManagerImpl::DriveBLEState(void)
{
CHIP_ERROR err = CHIP_NO_ERROR;
// Perform any initialization actions that must occur after the Chip task is running.
if (!mFlags.Has(Flags::kAsyncInitCompleted))
{
mFlags.Set(Flags::kAsyncInitCompleted);
}
// If there's already a control operation in progress, wait until it completes.
VerifyOrExit(!mFlags.Has(Flags::kControlOpInProgress), /* */);
// Initializes the ESP BLE layer if needed.
if (mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_Enabled && !mFlags.Has(Flags::kESPBLELayerInitialized))
{
err = InitESPBleLayer();
SuccessOrExit(err);
}
// Register the CHIPoBLE application with the ESP BLE layer if needed.
if (mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_Enabled && !mFlags.Has(Flags::kAppRegistered))
{
err = MapBLEError(esp_ble_gatts_app_register(CHIPoBLEAppId));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gatts_app_register() failed: %s", ErrorStr(err));
ExitNow();
}
mFlags.Set(Flags::kControlOpInProgress);
ExitNow();
}
// Register the CHIPoBLE GATT attributes with the ESP BLE layer if needed.
if (mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_Enabled && !mFlags.Has(Flags::kAttrsRegistered))
{
err = MapBLEError(esp_ble_gatts_create_attr_tab(CHIPoBLEGATTAttrs, mAppIf, CHIPoBLEGATTAttrCount, 0));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gatts_create_attr_tab() failed: %s", ErrorStr(err));
ExitNow();
}
mFlags.Set(Flags::kControlOpInProgress);
ExitNow();
}
// Start the CHIPoBLE GATT service if needed.
if (mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_Enabled && !mFlags.Has(Flags::kGATTServiceStarted))
{
err = MapBLEError(esp_ble_gatts_start_service(mServiceAttrHandle));