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pigweed / third_party / github / project-chip / connectedhomeip / 6d9dfe98f89760fed33f209aef9b8668b147862c / . / src / platform / ESP32 / bluedroid / BLEManagerImpl.cpp
blob: 72d738df7e32937c9a1285088f53299cfc667f78 [file] [log] [blame]
/*
*
* 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"
#if CONFIG_ENABLE_ESP32_BLE_CONTROLLER
#include <lib/support/CodeUtils.h>
#endif
#if CONFIG_BT_BLUEDROID_ENABLED
#if 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>
#if 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>
#if 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;
};
#if 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 };
#if CONFIG_ENABLE_ESP32_BLE_CONTROLLER
const uint8_t ShortUUID_CHIPoBLE_CharTx_Desc[] = { 0x02, 0x29 };
#endif
const ChipBleUUID ChipUUID_CHIPoBLEChar_RX = { { 0x18, 0xEE, 0x2E, 0xF5, 0x26, 0x3D, 0x45, 0x59, 0x95, 0x9F, 0x4F, 0x9C, 0x42, 0x9F,
0x9D, 0x11 } };
const ChipBleUUID ChipUUID_CHIPoBLEChar_TX = { { 0x18, 0xEE, 0x2E, 0xF5, 0x26, 0x3D, 0x45, 0x59, 0x95, 0x9F, 0x4F, 0x9C, 0x42, 0x9F,
0x9D, 0x12 } };
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
#if CONFIG_ENABLE_ESP32_BLE_CONTROLLER
ChipDeviceScanner & mDeviceScanner = Internal::ChipDeviceScanner::GetInstance();
#endif
BLEManagerImpl BLEManagerImpl::sInstance;
constexpr System::Clock::Timeout BLEManagerImpl::kFastAdvertiseTimeout;
#if 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.
#if 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;
#if 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;
}
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)
{
mAdvertiseStartTime = System::SystemClock().GetMonotonicTimestamp();
ReturnErrorOnFailure(DeviceLayer::SystemLayer().StartTimer(kFastAdvertiseTimeout, HandleFastAdvertisementTimer, this));
}
mFlags.Set(Flags::kFastAdvertisingEnabled, val);
mFlags.Set(Flags::kAdvertisingRefreshNeeded, 1);
mFlags.Set(Flags::kAdvertisingEnabled, val);
PlatformMgr().ScheduleWork(DriveBLEState, 0);
exit:
return err;
}
void BLEManagerImpl::HandleFastAdvertisementTimer(System::Layer * systemLayer, void * context)
{
static_cast<BLEManagerImpl *>(context)->HandleFastAdvertisementTimer();
}
void BLEManagerImpl::HandleFastAdvertisementTimer()
{
System::Clock::Timestamp currentTimestamp = System::SystemClock().GetMonotonicTimestamp();
if (currentTimestamp - mAdvertiseStartTime >= kFastAdvertiseTimeout)
{
mFlags.Clear(Flags::kFastAdvertisingEnabled);
mFlags.Set(Flags::kAdvertisingRefreshNeeded);
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, &ChipUUID_CHIPoBLEChar_TX);
{
ChipDeviceEvent connectionEvent;
connectionEvent.Type = DeviceEventType::kCHIPoBLEConnectionEstablished;
PlatformMgr().PostEventOrDie(&connectionEvent);
}
break;
case DeviceEventType::kCHIPoBLEUnsubscribe:
HandleUnsubscribeReceived(event->CHIPoBLEUnsubscribe.ConId, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_TX);
break;
case DeviceEventType::kCHIPoBLEWriteReceived:
HandleWriteReceived(event->CHIPoBLEWriteReceived.ConId, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_RX,
PacketBufferHandle::Adopt(event->CHIPoBLEWriteReceived.Data));
break;
case DeviceEventType::kCHIPoBLEIndicateConfirm:
HandleIndicationConfirmation(event->CHIPoBLEIndicateConfirm.ConId, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_TX);
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:
#if CONFIG_ENABLE_ESP32_BLE_CONTROLLER
HandlePlatformSpecificBLEEvent(event);
#endif
break;
}
}
#if 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, &ChipUUID_CHIPoBLEChar_RX);
break;
case DeviceEventType::kPlatformESP32BLESubscribeOpComplete:
if (apEvent->Platform.BLESubscribeOpComplete.mIsSubscribed)
HandleSubscribeComplete(apEvent->Platform.BLESubscribeOpComplete.mConnection, &CHIP_BLE_SVC_ID,
&ChipUUID_CHIPoBLEChar_TX);
else
HandleUnsubscribeComplete(apEvent->Platform.BLESubscribeOpComplete.mConnection, &CHIP_BLE_SVC_ID,
&ChipUUID_CHIPoBLEChar_TX);
break;
case DeviceEventType::kPlatformESP32BLEIndicationReceived:
HandleIndicationReceived(apEvent->Platform.BLEIndicationReceived.mConnection, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_TX,
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(&notify_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
bool BLEManagerImpl::SubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId)
{
#if 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 false;
}
ChipDeviceEvent event;
event.Type = DeviceEventType::kPlatformESP32BLESubscribeOpComplete;
event.Platform.BLESubscribeOpComplete.mConnection = conId;
event.Platform.BLESubscribeOpComplete.mIsSubscribed = true;
PlatformMgr().PostEventOrDie(&event);
return true;
#else
return false;
#endif
}
bool BLEManagerImpl::UnsubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId)
{
#if 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 false;
}
ChipDeviceEvent event;
event.Type = DeviceEventType::kPlatformESP32BLESubscribeOpComplete;
event.Platform.BLESubscribeOpComplete.mConnection = conId;
event.Platform.BLESubscribeOpComplete.mIsSubscribed = false;
PlatformMgr().PostEventOrDie(&event);
return true;
#else
return false;
#endif
}
bool 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);
#if !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 == CHIP_NO_ERROR);
}
uint16_t BLEManagerImpl::GetMTU(BLE_CONNECTION_OBJECT conId) const
{
CHIPoBLEConState * conState = const_cast<BLEManagerImpl *>(this)->GetConnectionState(conId);
return (conState != NULL) ? conState->MTU : 0;
}
bool 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);
#if 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, 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:
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "BLEManagerImpl::SendIndication() failed: %s", ErrorStr(err));
return false;
}
return true;
}
bool BLEManagerImpl::SendWriteRequest(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId,
PacketBufferHandle pBuf)
{
#if 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 false;
}
ChipDeviceEvent event;
event.Type = DeviceEventType::kPlatformESP32BLEWriteComplete;
event.Platform.BLEWriteComplete.mConnection = conId;
PlatformMgr().PostEventOrDie(&event);
return true;
#else
return false;
#endif
}
bool BLEManagerImpl::SendReadRequest(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId,
PacketBufferHandle pBuf)
{
ChipLogError(DeviceLayer, "BLEManagerImpl::SendReadRequest() not supported");
return false;
}
bool BLEManagerImpl::SendReadResponse(BLE_CONNECTION_OBJECT conId, BLE_READ_REQUEST_CONTEXT requestContext,
const ChipBleUUID * svcId, const ChipBleUUID * charId)
{
ChipLogError(DeviceLayer, "BLEManagerImpl::SendReadResponse() not supported");
return false;
}
void BLEManagerImpl::NotifyChipConnectionClosed(BLE_CONNECTION_OBJECT conId)
{
ChipLogProgress(Ble, "Got notification regarding chip connection closure");
}
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::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));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gatts_start_service() failed: %s", ErrorStr(err));
ExitNow();
}
mFlags.Set(Flags::kControlOpInProgress);
ExitNow();
}
// If the application has enabled CHIPoBLE and BLE advertising...
if (mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_Enabled &&
mFlags.Has(Flags::kAdvertisingEnabled)
#if CHIP_DEVICE_CONFIG_CHIPOBLE_SINGLE_CONNECTION
// and no connections are active...
&& (_NumConnections() == 0)
#endif
)
{
// Start/re-start advertising if not already advertising, or if the advertising state of the
// ESP BLE layer needs to be refreshed.
if (!mFlags.Has(Flags::kAdvertising) || mFlags.Has(Flags::kAdvertisingRefreshNeeded))
{
// Configure advertising data if it hasn't been done yet. This is an asynchronous step which
// must complete before advertising can be started. When that happens, this method will
// be called again, and execution will proceed to the code below.
if (!mFlags.Has(Flags::kAdvertisingConfigured))
{
err = ConfigureAdvertisingData();
ExitNow();
}
// Start advertising. This is also an asynchronous step.
err = StartAdvertising();
ExitNow();
}
}
// Otherwise stop advertising if needed...
else
{
if (mFlags.Has(Flags::kAdvertising))
{
err = MapBLEError(esp_ble_gap_stop_advertising());
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gap_stop_advertising() failed: %s", ErrorStr(err));
ExitNow();
}
mFlags.Set(Flags::kControlOpInProgress);
ExitNow();
}
}
// Stop the CHIPoBLE GATT service if needed.
if (mServiceMode != ConnectivityManager::kCHIPoBLEServiceMode_Enabled && mFlags.Has(Flags::kGATTServiceStarted))
{
// TODO: what to do about existing connections??
err = MapBLEError(esp_ble_gatts_stop_service(mServiceAttrHandle));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gatts_stop_service() failed: %s", ErrorStr(err));
ExitNow();
}
mFlags.Set(Flags::kControlOpInProgress);
ExitNow();
}
exit:
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "Disabling CHIPoBLE service due to error: %s", ErrorStr(err));
mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Disabled;
}
}
CHIP_ERROR BLEManagerImpl::InitESPBleLayer(void)
{
CHIP_ERROR err = CHIP_NO_ERROR;
VerifyOrExit(!mFlags.Has(Flags::kESPBLELayerInitialized), /* */);
// If the ESP Bluetooth controller has not been initialized...
if (esp_bt_controller_get_status() == ESP_BT_CONTROLLER_STATUS_IDLE)
{
// Since Chip only uses BLE, release memory held by ESP classic bluetooth stack.
err = MapBLEError(esp_bt_controller_mem_release(ESP_BT_MODE_CLASSIC_BT));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_bt_controller_mem_release() failed: %s", ErrorStr(err));
ExitNow();
}
// Initialize the ESP Bluetooth controller.
esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
err = MapBLEError(esp_bt_controller_init(&bt_cfg));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_bt_controller_init() failed: %s", ErrorStr(err));
ExitNow();
}
}
// If the ESP Bluetooth controller has not been enabled, enable it now.
if (esp_bt_controller_get_status() != ESP_BT_CONTROLLER_STATUS_ENABLED)
{
err = MapBLEError(esp_bt_controller_enable(ESP_BT_MODE_BLE));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_bt_controller_enable() failed: %s", ErrorStr(err));
ExitNow();
}
}
// If the ESP Bluedroid stack has not been initialized, initialize it now.
if (esp_bluedroid_get_status() == ESP_BLUEDROID_STATUS_UNINITIALIZED)
{
err = MapBLEError(esp_bluedroid_init());
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_bluedroid_init() failed: %s", ErrorStr(err));
ExitNow();
}
}
// If the ESP Bluedroid stack has not been enabled, enable it now.
if (esp_bluedroid_get_status() != ESP_BLUEDROID_STATUS_ENABLED)
{
err = MapBLEError(esp_bluedroid_enable());
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_bluedroid_enable() failed: %s", ErrorStr(err));
ExitNow();
}
}
// Register a callback to receive GATT events.
err = MapBLEError(esp_ble_gatts_register_callback(HandleGATTEvent));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gatts_register_callback() failed: %s", ErrorStr(err));
ExitNow();
}
// Register a callback to receive GAP events.
err = MapBLEError(esp_ble_gap_register_callback(HandleGAPEvent));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gap_register_callback() failed: %s", ErrorStr(err));
ExitNow();
}
// Set the maximum supported MTU size.
err = MapBLEError(esp_ble_gatt_set_local_mtu(CHIP_MAX_MTU_SIZE));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gatt_set_local_mtu() failed: %s", ErrorStr(err));
}
SuccessOrExit(err);
mFlags.Set(Flags::kESPBLELayerInitialized);
exit:
return err;
}
CHIP_ERROR BLEManagerImpl::ConfigureAdvertisingData(void)
{
CHIP_ERROR err;
uint8_t advData[MAX_ADV_DATA_LEN];
uint8_t index = 0;
// If a custom device name has not been specified, generate a CHIP-standard name based on the
// discriminator value
uint16_t discriminator;
SuccessOrExit(err = GetCommissionableDataProvider()->GetSetupDiscriminator(discriminator));
if (!mFlags.Has(Flags::kUseCustomDeviceName))
{
ChipLogProgress(Ble, mDeviceName, sizeof(mDeviceName), "%s%04u", CHIP_DEVICE_CONFIG_BLE_DEVICE_NAME_PREFIX, discriminator);
mDeviceName[kMaxDeviceNameLength] = 0;
}
// Configure the BLE device name.
err = MapBLEError(esp_ble_gap_set_device_name(mDeviceName));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gap_set_device_name() failed: %s", ErrorStr(err));
ExitNow();
}
memset(advData, 0, sizeof(advData));
advData[index++] = 0x02; // length
advData[index++] = CHIP_ADV_DATA_TYPE_FLAGS; // AD type : flags
advData[index++] = CHIP_ADV_DATA_FLAGS; // AD value
advData[index++] = 0x0B; // length
advData[index++] = CHIP_ADV_DATA_TYPE_SERVICE_DATA; // AD type: (Service Data - 16-bit UUID)
advData[index++] = ShortUUID_CHIPoBLEService[0]; // AD value
advData[index++] = ShortUUID_CHIPoBLEService[1]; // AD value
chip::Ble::ChipBLEDeviceIdentificationInfo deviceIdInfo;
err = ConfigurationMgr().GetBLEDeviceIdentificationInfo(deviceIdInfo);
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "GetBLEDeviceIdentificationInfo(): %s", ErrorStr(err));
ExitNow();
}
VerifyOrExit(index + sizeof(deviceIdInfo) <= sizeof(advData), err = CHIP_ERROR_OUTBOUND_MESSAGE_TOO_BIG);
memcpy(&advData[index], &deviceIdInfo, sizeof(deviceIdInfo));
index = static_cast<uint8_t>(index + sizeof(deviceIdInfo));
// Construct the Chip BLE Service Data to be sent in the scan response packet.
err = MapBLEError(esp_ble_gap_config_adv_data_raw(advData, sizeof(advData)));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gap_config_adv_data_raw(<raw_data>) failed: %s", ErrorStr(err));
ExitNow();
}
mFlags.Set(Flags::kControlOpInProgress);
exit:
return err;
}
CHIP_ERROR BLEManagerImpl::StartAdvertising(void)
{
CHIP_ERROR err;
esp_ble_adv_params_t advertParams = {
0, // adv_int_min
0, // adv_int_max
ADV_TYPE_IND, // adv_type
BLE_ADDR_TYPE_PUBLIC, // own_addr_type
{ 0 }, // peer_addr
BLE_ADDR_TYPE_RANDOM, // peer_addr_type
ADV_CHNL_ALL, // channel_map
ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY, // adv_filter_policy
};
advertParams.own_addr_type = BLE_ADDR_TYPE_RANDOM;
// Advertise connectable if we haven't reached the maximum number of connections.
size_t numCons = NumConnections();
bool connectable = (numCons < kMaxConnections);
advertParams.adv_type = connectable ? ADV_TYPE_IND : ADV_TYPE_NONCONN_IND;
// Advertise in fast mode if it is connectable advertisement and
// the application has expressly requested fast advertising.
if (connectable && mFlags.Has(Flags::kFastAdvertisingEnabled))
{
advertParams.adv_int_min = CHIP_DEVICE_CONFIG_BLE_FAST_ADVERTISING_INTERVAL_MIN;
advertParams.adv_int_max = CHIP_DEVICE_CONFIG_BLE_FAST_ADVERTISING_INTERVAL_MAX;
}
else
{
advertParams.adv_int_min = CHIP_DEVICE_CONFIG_BLE_SLOW_ADVERTISING_INTERVAL_MIN;
advertParams.adv_int_max = CHIP_DEVICE_CONFIG_BLE_SLOW_ADVERTISING_INTERVAL_MAX;
}
ChipLogProgress(DeviceLayer, "Configuring CHIPoBLE advertising (interval %" PRIu32 " ms, %sconnectable, device name %s)",
(((uint32_t) advertParams.adv_int_min) * 10) / 16, (connectable) ? "" : "non-", mDeviceName);
err = MapBLEError(esp_ble_gap_start_advertising(&advertParams));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gap_start_advertising() failed: %s", ErrorStr(err));
ExitNow();
}
mFlags.Set(Flags::kControlOpInProgress);
exit:
return err;
}
void BLEManagerImpl::HandleGATTControlEvent(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t * param)
{
CHIP_ERROR err = CHIP_NO_ERROR;
bool controlOpComplete = false;
// Ignore GATT control events that do not pertain to the CHIPoBLE application, except for ESP_GATTS_REG_EVT.
if (event != ESP_GATTS_REG_EVT && (!mFlags.Has(Flags::kAppRegistered) || gatts_if != mAppIf))
{
ExitNow();
}
switch (event)
{
case ESP_GATTS_REG_EVT:
if (param->reg.app_id == CHIPoBLEAppId)
{
if (param->reg.status != ESP_GATT_OK)
{
ChipLogError(DeviceLayer, "ESP_GATTS_REG_EVT error: %d", (int) param->reg.status);
ExitNow(err = CHIP_ERROR_INTERNAL);
}
// Save the 'interface type' assigned to the CHIPoBLE application by the ESP BLE layer.
mAppIf = gatts_if;
mFlags.Set(Flags::kAppRegistered);
controlOpComplete = true;
}
esp_ble_gap_config_local_privacy(true);
break;
case ESP_GATTS_CREAT_ATTR_TAB_EVT:
if (param->add_attr_tab.status != ESP_GATT_OK)
{
ChipLogError(DeviceLayer, "ESP_GATTS_CREAT_ATTR_TAB_EVT error: %d", (int) param->add_attr_tab.status);
ExitNow(err = CHIP_ERROR_INTERNAL);
}
// Save the attribute handles assigned by the ESP BLE layer to the CHIPoBLE attributes.
mServiceAttrHandle = param->add_attr_tab.handles[kAttrIndex_ServiceDeclaration];
mRXCharAttrHandle = param->add_attr_tab.handles[kAttrIndex_RXCharValue];
mTXCharAttrHandle = param->add_attr_tab.handles[kAttrIndex_TXCharValue];
mTXCharCCCDAttrHandle = param->add_attr_tab.handles[kAttrIndex_TXCharCCCDValue];
mFlags.Set(Flags::kAttrsRegistered);
controlOpComplete = true;
break;
case ESP_GATTS_START_EVT:
if (param->start.status != ESP_GATT_OK)
{
ChipLogError(DeviceLayer, "ESP_GATTS_START_EVT error: %d", (int) param->start.status);
ExitNow(err = CHIP_ERROR_INTERNAL);
}
ChipLogProgress(DeviceLayer, "CHIPoBLE GATT service started");
mFlags.Set(Flags::kGATTServiceStarted);
controlOpComplete = true;
break;
case ESP_GATTS_STOP_EVT:
if (param->stop.status != ESP_GATT_OK)
{
ChipLogError(DeviceLayer, "ESP_GATTS_STOP_EVT error: %d", (int) param->stop.status);
ExitNow(err = CHIP_ERROR_INTERNAL);
}
ChipLogProgress(DeviceLayer, "CHIPoBLE GATT service stopped");
mFlags.Clear(Flags::kGATTServiceStarted);
controlOpComplete = true;
break;
case ESP_GATTS_RESPONSE_EVT:
ChipLogDetail(Ble, "ESP_GATTS_RESPONSE_EVT (handle %u, status %d)", param->rsp.handle, (int) param->rsp.status);
break;
default:
// Ignore all other event types.
break;
}
exit:
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "Disabling CHIPoBLE service due to error: %s", ErrorStr(err));
mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Disabled;
}
if (controlOpComplete)
{
mFlags.Clear(Flags::kControlOpInProgress);
PlatformMgr().ScheduleWork(DriveBLEState, 0);
}
}
void BLEManagerImpl::HandleGATTCommEvent(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t * param)
{
// Ignore the event if the CHIPoBLE service hasn't been started, or if the event is for a different
// BLE application.
if (!sInstance.mFlags.Has(Flags::kGATTServiceStarted) || gatts_if != sInstance.mAppIf)
{
return;
}
switch (event)
{
case ESP_GATTS_CONNECT_EVT:
ChipLogProgress(DeviceLayer, "BLE GATT connection established (con %u)", param->connect.conn_id);
// Allocate a connection state record for the new connection.
GetConnectionState(param->mtu.conn_id, true);
// Receiving a connection stops the advertising processes. So force a refresh of the advertising
// state.
mFlags.Set(Flags::kAdvertisingRefreshNeeded);
mFlags.Clear(Flags::kAdvertisingConfigured);
PlatformMgr().ScheduleWork(DriveBLEState, 0);
break;
case ESP_GATTS_DISCONNECT_EVT:
HandleDisconnect(param);
break;
case ESP_GATTS_READ_EVT:
if (param->read.handle == mTXCharAttrHandle)
{
HandleTXCharRead(param);
}
if (param->read.handle == mTXCharCCCDAttrHandle)
{
HandleTXCharCCCDRead(param);
}
break;
case ESP_GATTS_WRITE_EVT:
if (param->write.handle == mRXCharAttrHandle)
{
HandleRXCharWrite(param);
}
if (param->write.handle == mTXCharCCCDAttrHandle)
{
HandleTXCharCCCDWrite(param);
}
break;
case ESP_GATTS_CONF_EVT: {
CHIPoBLEConState * conState = GetConnectionState(param->conf.conn_id);
if (conState != NULL)
{
HandleTXCharConfirm(conState, param);
}
}
break;
case ESP_GATTS_MTU_EVT: {
ChipLogDetail(Ble, "MTU for con %u: %u", param->mtu.conn_id, param->mtu.mtu);
CHIPoBLEConState * conState = GetConnectionState(param->mtu.conn_id);
if (conState != NULL)
{
// conState->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.
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
// As per the BLE specification, the maximum MTU value can be 517 bytes.
// This can be accomodated in 10 bits
conState->MTU = param->mtu.mtu;
#pragma GCC diagnostic pop
}
}
break;
default:
break;
}
}
void BLEManagerImpl::HandleRXCharWrite(esp_ble_gatts_cb_param_t * param)
{
CHIP_ERROR err = CHIP_NO_ERROR;
bool needResp = param->write.need_rsp;
PacketBufferHandle buf;
ChipLogDetail(Ble, "Write request received for CHIPoBLE RX characteristic (con %u, len %u)", param->write.conn_id,
param->write.len);
// Disallow long writes.
VerifyOrExit(param->write.is_prep == false, err = CHIP_ERROR_INVALID_ARGUMENT);
// Copy the data to a packet buffer.
buf = System::PacketBufferHandle::NewWithData(param->write.value, param->write.len, 0, 0);
VerifyOrExit(!buf.IsNull(), err = CHIP_ERROR_NO_MEMORY);
// Send a response if requested.
if (needResp)
{
esp_ble_gatts_send_response(mAppIf, param->write.conn_id, param->write.trans_id, ESP_GATT_OK, NULL);
needResp = false;
}
// Post an event to the Chip queue to deliver the data into the Chip stack.
{
ChipDeviceEvent event;
event.Type = DeviceEventType::kCHIPoBLEWriteReceived;
event.CHIPoBLEWriteReceived.ConId = param->write.conn_id;
event.CHIPoBLEWriteReceived.Data = std::move(buf).UnsafeRelease();
err = PlatformMgr().PostEvent(&event);
}
exit:
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "HandleRXCharWrite() failed: %s", ErrorStr(err));
if (needResp)
{
esp_ble_gatts_send_response(mAppIf, param->write.conn_id, param->write.trans_id, ESP_GATT_INTERNAL_ERROR, NULL);
}
// TODO: fail connection???
}
}
void BLEManagerImpl::HandleTXCharRead(esp_ble_gatts_cb_param_t * param)
{
CHIP_ERROR err;
esp_gatt_rsp_t rsp;
ChipLogDetail(Ble, "Read request received for CHIPoBLE TX characteristic (con %u)", param->read.conn_id);
// Send a zero-length response.
memset(&rsp, 0, sizeof(esp_gatt_rsp_t));
rsp.attr_value.handle = param->read.handle;
err = MapBLEError(esp_ble_gatts_send_response(mAppIf, param->read.conn_id, param->read.trans_id, ESP_GATT_OK, &rsp));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gatts_send_response() failed: %s", ErrorStr(err));
}
}
void BLEManagerImpl::HandleTXCharCCCDRead(esp_ble_gatts_cb_param_t * param)
{
CHIP_ERROR err;
CHIPoBLEConState * conState;
esp_gatt_rsp_t rsp;
ChipLogDetail(Ble, "Read request received for CHIPoBLE TX characteristic CCCD (con %u)", param->read.conn_id);
// Find the connection state record.
conState = GetConnectionState(param->read.conn_id);
// Send current CCCD value, or an error if we failed to allocate a connection state object.
memset(&rsp, 0, sizeof(esp_gatt_rsp_t));
rsp.attr_value.handle = param->read.handle;
if (conState != NULL)
{
rsp.attr_value.len = 2;
rsp.attr_value.value[0] = conState->Subscribed ? 1 : 0;
}
err = MapBLEError(esp_ble_gatts_send_response(mAppIf, param->read.conn_id, param->read.trans_id,
(conState != NULL) ? ESP_GATT_OK : ESP_GATT_INTERNAL_ERROR, &rsp));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gatts_send_response() failed: %s", ErrorStr(err));
}
}
void BLEManagerImpl::HandleTXCharCCCDWrite(esp_ble_gatts_cb_param_t * param)
{
CHIP_ERROR err = CHIP_NO_ERROR;
CHIPoBLEConState * conState;
bool needResp = param->write.need_rsp;
bool indicationsEnabled;
ChipLogDetail(Ble, "Write request received for CHIPoBLE TX characteristic CCCD (con %u, len %u)", param->write.conn_id,
param->write.len);
// Find the connection state record.
conState = GetConnectionState(param->read.conn_id);
VerifyOrExit(conState != NULL, err = CHIP_ERROR_NO_MEMORY);
// Disallow long writes.
VerifyOrExit(param->write.is_prep == false, err = CHIP_ERROR_INVALID_ARGUMENT);
// Determine if the client is enabling or disabling indications.
indicationsEnabled = (param->write.len > 0 && (param->write.value[0] != 0));
// Send a response to the Write if requested.
if (needResp)
{
esp_ble_gatts_send_response(mAppIf, param->write.conn_id, param->write.trans_id, ESP_GATT_OK, NULL);
needResp = false;
}
// 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.
{
ChipDeviceEvent event;
event.Type = (indicationsEnabled) ? DeviceEventType::kCHIPoBLESubscribe : DeviceEventType::kCHIPoBLEUnsubscribe;
event.CHIPoBLESubscribe.ConId = param->write.conn_id;
err = PlatformMgr().PostEvent(&event);
}
ChipLogProgress(DeviceLayer, "CHIPoBLE %s received", indicationsEnabled ? "subscribe" : "unsubscribe");
exit:
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "HandleTXCharCCCDWrite() failed: %s", ErrorStr(err));
if (needResp)
{
esp_ble_gatts_send_response(mAppIf, param->write.conn_id, param->write.trans_id, ESP_GATT_INTERNAL_ERROR, NULL);
}
// TODO: fail connection???
}
}
void BLEManagerImpl::HandleTXCharConfirm(CHIPoBLEConState * conState, esp_ble_gatts_cb_param_t * param)
{
ChipLogDetail(Ble, "Confirm received for CHIPoBLE TX characteristic indication (con %u, status %u)", param->conf.conn_id,
param->conf.status);
// If there is a pending indication buffer for the connection, release it now.
conState->PendingIndBuf = nullptr;
// If the confirmation was successful...
if (param->conf.status == ESP_GATT_OK)
{
// Post an event to the Chip queue to process the indicate confirmation.
ChipDeviceEvent event;
event.Type = DeviceEventType::kCHIPoBLEIndicateConfirm;
event.CHIPoBLEIndicateConfirm.ConId = param->conf.conn_id;
PlatformMgr().PostEventOrDie(&event);
}
else
{
ChipDeviceEvent event;
event.Type = DeviceEventType::kCHIPoBLEConnectionError;
event.CHIPoBLEConnectionError.ConId = param->disconnect.conn_id;
event.CHIPoBLEConnectionError.Reason = BLE_ERROR_CHIPOBLE_PROTOCOL_ABORT;
PlatformMgr().PostEventOrDie(&event);
}
}
void BLEManagerImpl::HandleDisconnect(esp_ble_gatts_cb_param_t * param)
{
ChipLogProgress(DeviceLayer, "BLE GATT connection closed (con %u, reason %u)", param->disconnect.conn_id,
param->disconnect.reason);
// If this was a CHIPoBLE connection, release the associated connection state record
// and post an event to deliver a connection error to the CHIPoBLE layer.
if (ReleaseConnectionState(param->disconnect.conn_id))
{
ChipDeviceEvent event;
event.Type = DeviceEventType::kCHIPoBLEConnectionError;
event.CHIPoBLEConnectionError.ConId = param->disconnect.conn_id;
switch (param->disconnect.reason)
{
case ESP_GATT_CONN_TERMINATE_PEER_USER:
event.CHIPoBLEConnectionError.Reason = BLE_ERROR_REMOTE_DEVICE_DISCONNECTED;
break;
case ESP_GATT_CONN_TERMINATE_LOCAL_HOST:
event.CHIPoBLEConnectionError.Reason = BLE_ERROR_APP_CLOSED_CONNECTION;
break;
default:
event.CHIPoBLEConnectionError.Reason = BLE_ERROR_CHIPOBLE_PROTOCOL_ABORT;
break;
}
PlatformMgr().PostEventOrDie(&event);
ChipDeviceEvent disconnectEvent;
disconnectEvent.Type = DeviceEventType::kCHIPoBLEConnectionClosed;
PlatformMgr().PostEventOrDie(&disconnectEvent);
// Force a refresh of the advertising state.
mFlags.Set(Flags::kAdvertisingRefreshNeeded);
mFlags.Clear(Flags::kAdvertisingConfigured);
PlatformMgr().ScheduleWork(DriveBLEState, 0);
}
}
#if CONFIG_ENABLE_ESP32_BLE_CONTROLLER
CHIP_ERROR BLEManagerImpl::HandleRXNotify(esp_ble_gattc_cb_param_t param)
{
System::PacketBufferHandle buf = System::PacketBufferHandle::NewWithData(param.notify.value, param.notify.value_len);
VerifyOrReturnError(!buf.IsNull(), CHIP_ERROR_NO_MEMORY);
ChipLogDetail(DeviceLayer, "Indication received, conn = %d", param.notify.conn_id);
ChipDeviceEvent event;
event.Type = DeviceEventType::kPlatformESP32BLEIndicationReceived;
event.Platform.BLEIndicationReceived.mConnection = param.notify.conn_id;
event.Platform.BLEIndicationReceived.mData = std::move(buf).UnsafeRelease();
PlatformMgr().PostEventOrDie(&event);
return CHIP_NO_ERROR;
}
CHIP_ERROR BLEManagerImpl::ConfigureBle(uint32_t aAdapterId, bool aIsCentral)
{
CHIP_ERROR err = CHIP_NO_ERROR;
mBLEAdvConfig.mpBleName = mDeviceName;
mBLEAdvConfig.mAdapterId = aAdapterId;
mBLEAdvConfig.mMajor = 1;
mBLEAdvConfig.mMinor = 1;
mBLEAdvConfig.mVendorId = 1;
mBLEAdvConfig.mProductId = 1;
mBLEAdvConfig.mDeviceId = 1;
mBLEAdvConfig.mDuration = 2;
mBLEAdvConfig.mPairingStatus = 0;
mBLEAdvConfig.mType = 1;
mBLEAdvConfig.mpAdvertisingUUID = "0xFFF6";
mIsCentral = aIsCentral;
if (mIsCentral)
{
err = MapBLEError(esp_ble_gattc_register_callback(esp_gattc_cb));
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "esp_ble_gattc_register_callback() failed: %s", ErrorStr(err));
ExitNow();
}
ChipLogProgress(Ble, "Before initialising (PROFILE\n");
int rc = esp_ble_gattc_app_register(PROFILE_A_APP_ID);
if (rc != 0)
{
ChipLogError(DeviceLayer, "esp_ble_gattc_app_register() failed %s", ErrorStr(err));
ExitNow();
}
}
mFlags.Set(Flags::kESPBLELayerInitialized);
exit:
if (err != CHIP_NO_ERROR)
return err;
return CHIP_NO_ERROR;
}
void BLEManagerImpl::OnDeviceScanned(esp_ble_addr_type_t & addr_type, esp_bd_addr_t & addr,
const chip::Ble::ChipBLEDeviceIdentificationInfo & info)
{
ChipLogProgress(Ble, "In OnDeviceScanned\n");
if (mBLEScanConfig.mBleScanState == BleScanState::kScanForDiscriminator)
{
if (!mBLEScanConfig.mDiscriminator.MatchesLongDiscriminator(info.GetDeviceDiscriminator()))
{
return;
}
ChipLogProgress(Ble, "Device Discriminator match. Attempting to connect");
}
else if (mBLEScanConfig.mBleScanState == BleScanState::kScanForAddress)
{
ChipLogProgress(Ble, "Device Address match. Attempting to connect");
}
else
{
ChipLogProgress(Ble, "Unknown discovery type. Ignoring");
}
connect = true;
mBLEScanConfig.mBleScanState = BleScanState::kConnecting;
DeviceLayer::SystemLayer().StartTimer(System::Clock::Seconds16(kConnectTimeout), HandleConnectTimeout, nullptr);
mDeviceScanner.StopScan();
ChipLogProgress(Ble, "Scanned all devices\n");
ConnectDevice(addr, addr_type, kConnectTimeout);
}
void BLEManagerImpl::OnScanComplete()
{
ChipLogProgress(Ble, "Stop scan\n");
if (mBLEScanConfig.mBleScanState != BleScanState::kScanForDiscriminator &&
mBLEScanConfig.mBleScanState != BleScanState::kScanForAddress)
{
ChipLogProgress(Ble, "Scan complete notification without an active scan");
return;
}
BleConnectionDelegate::OnConnectionError(mBLEScanConfig.mAppState, CHIP_ERROR_TIMEOUT);
mBLEScanConfig.mBleScanState = BleScanState::kNotScanning;
}
void BLEManagerImpl::InitiateScan(BleScanState scanType)
{
DriveBLEState();
// Check for a valid scan type
if (scanType == BleScanState::kNotScanning)
{
BleConnectionDelegate::OnConnectionError(mBLEScanConfig.mAppState, CHIP_ERROR_INCORRECT_STATE);
ChipLogError(Ble, "Invalid scan type requested");
return;
}
// Initialize the device scanner
CHIP_ERROR err = mDeviceScanner.Init(this);
if (err != CHIP_NO_ERROR)
{
BleConnectionDelegate::OnConnectionError(mBLEScanConfig.mAppState, err);
ChipLogError(Ble, "Failed to initialize device scanner: %s", ErrorStr(err));
return;
}
// Start scanning
mBLEScanConfig.mBleScanState = scanType;
err = mDeviceScanner.StartScan(kNewConnectionScanTimeout);
if (err != CHIP_NO_ERROR)
{
mBLEScanConfig.mBleScanState = BleScanState::kNotScanning;
ChipLogError(Ble, "Failed to start a BLE scan: %s", chip::ErrorStr(err));
BleConnectionDelegate::OnConnectionError(mBLEScanConfig.mAppState, err);
return;
}
}
void BLEManagerImpl::HandleConnectTimeout(chip::System::Layer *, void * context)
{
CancelConnect();
BLEManagerImpl::HandleConnectFailed(CHIP_ERROR_TIMEOUT);
}
void BLEManagerImpl::CleanScanConfig()
{
if (BLEManagerImpl::mBLEScanConfig.mBleScanState == BleScanState::kConnecting)
{
DeviceLayer::SystemLayer().CancelTimer(HandleConnectTimeout, nullptr);
}
mBLEScanConfig.mBleScanState = BleScanState::kNotScanning;
}
void BLEManagerImpl::InitiateScan(intptr_t arg)
{
sInstance.InitiateScan(static_cast<BleScanState>(arg));
}
void BLEManagerImpl::NewConnection(BleLayer * bleLayer, void * appState, const SetupDiscriminator & connDiscriminator)
{
mBLEScanConfig.mDiscriminator = connDiscriminator;
mBLEScanConfig.mAppState = appState;
// Initiate async scan
PlatformMgr().ScheduleWork(InitiateScan, static_cast<intptr_t>(BleScanState::kScanForDiscriminator));
}
CHIP_ERROR BLEManagerImpl::CancelConnection()
{
return CHIP_ERROR_NOT_IMPLEMENTED;
}
#endif
BLEManagerImpl::CHIPoBLEConState * BLEManagerImpl::GetConnectionState(uint16_t conId, bool allocate)
{
uint16_t freeIndex = kMaxConnections;
for (uint16_t i = 0; i < kMaxConnections; i++)
{
if (mCons[i].Allocated == 1)
{
if (mCons[i].ConId == conId)
{
return &mCons[i];
}
}
else if (i < freeIndex)
{
freeIndex = i;
}
}
if (allocate)
{
if (freeIndex < kMaxConnections)
{
mCons[freeIndex].Set(conId);
return &mCons[freeIndex];
}
ChipLogError(DeviceLayer, "Failed to allocate CHIPoBLEConState");
}
return NULL;
}
bool BLEManagerImpl::ReleaseConnectionState(uint16_t conId)
{
for (uint16_t i = 0; i < kMaxConnections; i++)
{
if (mCons[i].Allocated && mCons[i].ConId == conId)
{
mCons[i].Reset();
return true;
}
}
return false;
}
uint16_t BLEManagerImpl::_NumConnections(void)
{
uint16_t numCons = 0;
for (uint16_t i = 0; i < kMaxConnections; i++)
{
if (mCons[i].Allocated)
{
numCons++;
}
}
return numCons;
}
#if CONFIG_ENABLE_ESP32_BLE_CONTROLLER
void BLEManagerImpl::HandleGAPConnectionFailed()
{
if (sInstance.mIsCentral)
{
ChipDeviceEvent event;
event.Type = DeviceEventType::kPlatformESP32BLECentralConnectFailed;
event.Platform.BLECentralConnectFailed.mError = CHIP_ERROR_INTERNAL;
PlatformMgr().PostEventOrDie(&event);
}
}
CHIP_ERROR BLEManagerImpl::HandleGAPCentralConnect(esp_ble_gattc_cb_param_t p_data)
{
if (BLEManagerImpl::mBLEScanConfig.mBleScanState == BleScanState::kConnecting)
{
{
ChipLogProgress(DeviceLayer, "BLE GAP connection established (con %u)", p_data.connect.conn_id);
// remember the peer
connId = p_data.connect.conn_id;
gl_profile_tab[PROFILE_A_APP_ID].conn_id = p_data.connect.conn_id;
memcpy(gl_profile_tab[PROFILE_A_APP_ID].remote_bda, p_data.connect.remote_bda, sizeof(esp_bd_addr_t));
// Start the GATT discovery process
int rc = esp_ble_gattc_search_service(chip_ctrl_gattc_if, connId, &remote_filter_service_uuid);
if (rc != 0)
{
HandleGAPConnectionFailed();
ChipLogError(DeviceLayer, "peer_disc_al failed: %d", rc);
return CHIP_ERROR_INTERNAL;
}
}
}
return CHIP_NO_ERROR;
}
CHIP_ERROR BLEManagerImpl::HandleGAPConnect(esp_ble_gattc_cb_param_t p_data)
{
if (mIsCentral)
{
int rc;
gl_profile_tab[PROFILE_A_APP_ID].conn_id = p_data.connect.conn_id;
connId = p_data.connect.conn_id;
memcpy(gl_profile_tab[PROFILE_A_APP_ID].remote_bda, p_data.connect.remote_bda, sizeof(esp_bd_addr_t));
rc = esp_ble_gattc_send_mtu_req(chip_ctrl_gattc_if, p_data.connect.conn_id);
if (rc != 0)
{
ChipLogProgress(Ble, "MTU error\n");
return CHIP_ERROR_INTERNAL;
}
return HandleGAPCentralConnect(p_data);
}
return CHIP_NO_ERROR;
}
#endif
void BLEManagerImpl::HandleGATTEvent(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t * param)
{
ChipLogProgress(Ble, "GATT Event: %d (if %d)", (int) event, (int) gatts_if);
// This method is invoked on the ESP BLE thread. Therefore we must hold a lock
// on the Chip stack while processing the event.
PlatformMgr().LockChipStack();
sInstance.HandleGATTControlEvent(event, gatts_if, param);
sInstance.HandleGATTCommEvent(event, gatts_if, param);
PlatformMgr().UnlockChipStack();
}
void BLEManagerImpl::HandleGAPEvent(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t * param)
{
CHIP_ERROR err = CHIP_NO_ERROR;
#if CONFIG_ENABLE_ESP32_BLE_CONTROLLER
esp_ble_gap_cb_param_t * scan_result = (esp_ble_gap_cb_param_t *) param;
#endif
ChipLogProgress(Ble, "GAP Event: %d", (int) event);
// This method is invoked on the ESP BLE thread. Therefore we must hold a lock
// on the Chip stack while processing the event.
PlatformMgr().LockChipStack();
switch (event)
{
case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT: {
if (param->adv_data_cmpl.status != ESP_BT_STATUS_SUCCESS)
{
ChipLogError(DeviceLayer, "ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT error: %d", (int) param->adv_data_cmpl.status);
ExitNow(err = CHIP_ERROR_INTERNAL);
}
sInstance.mFlags.Set(Flags::kAdvertisingConfigured);
sInstance.mFlags.Clear(Flags::kControlOpInProgress);
}
break;
case ESP_GAP_BLE_ADV_START_COMPLETE_EVT: {
if (param->adv_start_cmpl.status != ESP_BT_STATUS_SUCCESS)
{
ChipLogError(DeviceLayer, "ESP_GAP_BLE_ADV_START_COMPLETE_EVT error: %d", (int) param->adv_start_cmpl.status);
ExitNow(err = CHIP_ERROR_INTERNAL);
}
sInstance.mFlags.Clear(Flags::kControlOpInProgress);
sInstance.mFlags.Clear(Flags::kAdvertisingRefreshNeeded);
// Transition to the Advertising state...
if (!sInstance.mFlags.Has(Flags::kAdvertising))
{
ChipLogProgress(DeviceLayer, "CHIPoBLE advertising started");
sInstance.mFlags.Set(Flags::kAdvertising);
// Post a CHIPoBLEAdvertisingChange(Started) event.
{
ChipDeviceEvent advChange;
advChange.Type = DeviceEventType::kCHIPoBLEAdvertisingChange;
advChange.CHIPoBLEAdvertisingChange.Result = kActivity_Started;
err = PlatformMgr().PostEvent(&advChange);
}
}
}
break;
case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT: {
if (param->adv_stop_cmpl.status != ESP_BT_STATUS_SUCCESS)
{
ChipLogError(DeviceLayer, "ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT error: %d", (int) param->adv_stop_cmpl.status);
ExitNow(err = CHIP_ERROR_INTERNAL);
}
sInstance.mFlags.Clear(Flags::kControlOpInProgress);
sInstance.mFlags.Clear(Flags::kAdvertisingRefreshNeeded);
// Transition to the not Advertising state...
if (sInstance.mFlags.Has(Flags::kAdvertising))
{
sInstance.mFlags.Clear(Flags::kAdvertising);
sInstance.mFlags.Set(Flags::kFastAdvertisingEnabled, true);
ChipLogProgress(DeviceLayer, "CHIPoBLE advertising stopped");
// Directly inform the ThreadStackManager that CHIPoBLE advertising has stopped.
#if CHIP_DEVICE_CONFIG_ENABLE_THREAD
ThreadStackMgr().OnCHIPoBLEAdvertisingStop();
#endif // CHIP_DEVICE_CONFIG_ENABLE_THREAD
// Post a CHIPoBLEAdvertisingChange(Stopped) event.
{
ChipDeviceEvent advChange;
advChange.Type = DeviceEventType::kCHIPoBLEAdvertisingChange;
advChange.CHIPoBLEAdvertisingChange.Result = kActivity_Stopped;
err = PlatformMgr().PostEvent(&advChange);
}
}
}
break;
#if CONFIG_ENABLE_ESP32_BLE_CONTROLLER
case ESP_GAP_BLE_SCAN_RESULT_EVT: {
mDeviceScanner.ReportDevice(*scan_result, scan_result->scan_rst.bda);
}
break;
case ESP_GAP_SEARCH_INQ_CMPL_EVT:
mDeviceScanner.mIsScanning = false;
break;
#endif
default:
break;
}
exit:
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "Disabling CHIPoBLE service due to error: %s", ErrorStr(err));
sInstance.mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Disabled;
}
PlatformMgr().ScheduleWork(DriveBLEState, 0);
PlatformMgr().UnlockChipStack();
}
void BLEManagerImpl::DriveBLEState(intptr_t arg)
{
sInstance.DriveBLEState();
}
} // namespace Internal
} // namespace DeviceLayer
} // namespace chip
#endif // CONFIG_BT_BLUEDROID_ENABLED
#endif // CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE