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/*
*
* Copyright (c) 2020-2021 Project CHIP Authors
*
* 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 stm32wb55 platforms.
*/
/* this file behaves like a config.h, comes first */
#include <platform/internal/CHIPDeviceLayerInternal.h>
#include <ble/BleUUID.h>
#include <ble/CHIPBleServiceData.h>
#include <platform/internal/BLEManager.h>
#include <lib/support/CodeUtils.h>
#include <lib/support/logging/CHIPLogging.h>
/**** STM32 api files for ble and led support ****/
#include "app_ble.h"
#include "app_matter.h"
#include "ble_gap_aci.h"
#include "cmsis_os.h"
using namespace ::chip;
using namespace ::chip::Ble;
using namespace ::chip::System;
namespace chip {
namespace DeviceLayer {
namespace Internal {
namespace {
// Advertising data content definitions
#define CHIP_ADV_DATA_TYPE_FLAGS 0x01
#define CHIP_ADV_DATA_TYPE_UUID 0x03
#define CHIP_ADV_DATA_FLAGS 0x06
#define CHIP_ADV_DATA_TYPE_NAME 0x09
#define CHIP_ADV_DATA_TYPE_SERVICE_DATA 0x16
#define STM32_MTU 247
#define CHIP_ADV_SHORT_UUID_LEN 2
#define CONNECTION_CLOSE 0x13
// FreeeRTOS sw timer
TimerHandle_t sbleAdvTimeoutTimer;
// Full service UUID - CHIP_BLE_SVC_ID - taken from BleUUID.h header
const uint8_t chipUUID_CHIPoBLE_Service[CHIP_ADV_SHORT_UUID_LEN] = { 0xFF, 0xF6 };
} // unnamed namespace
BLEManagerImpl BLEManagerImpl::sInstance;
uint16_t gconnid = 0;
CHIP_ERROR BLEManagerImpl::_Init()
{
CHIP_ERROR err;
mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Enabled;
mFlags.ClearAll().Set(Flags::kAdvertisingEnabled, CHIP_DEVICE_CONFIG_CHIPOBLE_ENABLE_ADVERTISING_AUTOSTART);
mFlags.Set(Flags::kFastAdvertisingEnabled);
mNumGAPCons = 0;
for (int i = 0; i < kMaxConnections; i++)
{
mSubscribedConIds[i] = BLE_CONNECTION_UNINITIALIZED;
}
// Initialize the CHIP BleLayer.
err = BleLayer::Init(this, this, &DeviceLayer::SystemLayer());
SuccessOrExit(err);
// Create FreeRTOS sw timer for BLE timeouts and interval change.
sbleAdvTimeoutTimer = xTimerCreate("BleAdvTimer", // Just a text name, not used by the RTOS kernel
pdMS_TO_TICKS(1), // == default timer period (mS)
false, // no timer reload (==one-shot)
(void *) this, // init timer id = ble obj context
BleAdvTimeoutHandler // timer callback handler
);
VerifyOrExit(sbleAdvTimeoutTimer != NULL, err = CHIP_ERROR_INCORRECT_STATE);
PlatformMgr().ScheduleWork(DriveBLEState, 0);
APP_MATTER_BLE_Set_Receive_Callback(HandleRXCharWrite);
APP_MATTER_BLE_Set_Connection_Callback(HandleGAPConnect);
APP_MATTER_BLE_Set_Disconnection_Callback(HandleGAPDisconnect);
APP_MATTER_BLE_Set_TXCharCCCDWrite_Callback(HandleTXCharCCCDWrite);
APP_MATTER_BLE_Set_Ack_After_Indicate_Callback(HandleAck);
exit:
ChipLogProgress(DeviceLayer, "BLEManagerImpl::Init() complete");
return err;
}
CHIP_ERROR BLEManagerImpl::_SetCHIPoBLEServiceMode(CHIPoBLEServiceMode val)
{
CHIP_ERROR err = CHIP_NO_ERROR;
VerifyOrExit(val != ConnectivityManager::kCHIPoBLEServiceMode_NotSupported, err = CHIP_ERROR_INVALID_ARGUMENT);
VerifyOrExit(mServiceMode != ConnectivityManager::kCHIPoBLEServiceMode_NotSupported, err = CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE);
if (val != mServiceMode)
{
mServiceMode = val;
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);
ChipLogDetail(DeviceLayer, "CHIPoBLE advertising set to %s", val ? "on" : "off");
if (mFlags.Has(Flags::kAdvertisingEnabled) != val)
{
mFlags.Set(Flags::kAdvertisingEnabled, val);
PlatformMgr().ScheduleWork(DriveBLEState, 0);
}
exit:
return err;
}
CHIP_ERROR BLEManagerImpl::_SetAdvertisingMode(BLEAdvertisingMode mode)
{
switch (mode)
{
case BLEAdvertisingMode::kFastAdvertising:
mFlags.Set(Flags::kFastAdvertisingEnabled);
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)
{
CHIP_ERROR err = CHIP_NO_ERROR;
return err;
}
CHIP_ERROR BLEManagerImpl::_SetDeviceName(const char * devName)
{
CHIP_ERROR err = CHIP_NO_ERROR;
VerifyOrExit(mServiceMode != ConnectivityManager::kCHIPoBLEServiceMode_NotSupported, err = CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE);
if (devName != nullptr && devName[0] != 0)
{
// TODO set device name
SuccessOrExit(err);
mFlags.Set(Flags::kDeviceNameSet);
}
exit:
return err;
}
void BLEManagerImpl::_OnPlatformEvent(const ChipDeviceEvent * event)
{
switch (event->Type)
{
// Platform specific events
case DeviceEventType::kCHIPoBLESubscribe: {
ChipDeviceEvent connEstEvent;
HandleSubscribeReceived(event->CHIPoBLESubscribe.ConId, &CHIP_BLE_SVC_ID, &Ble::CHIP_BLE_CHAR_2_UUID);
connEstEvent.Type = DeviceEventType::kCHIPoBLEConnectionEstablished;
PlatformMgr().PostEventOrDie(&connEstEvent);
}
break;
case DeviceEventType::kCHIPoBLEUnsubscribe: {
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::kCHIPoBLEConnectionError: {
HandleConnectionError(event->CHIPoBLEConnectionError.ConId, event->CHIPoBLEConnectionError.Reason);
}
break;
// Generic CHIP events
case DeviceEventType::kServiceProvisioningChange:
// Force the advertising state to be refreshed to reflect new provisioning state.
mFlags.Set(Flags::kAdvertisingRefreshNeeded);
PlatformMgr().ScheduleWork(DriveBLEState, 0);
break;
case DeviceEventType::kCHIPoBLEIndicateConfirm: {
HandleIndicationConfirmation(event->CHIPoBLEIndicateConfirm.ConId, &CHIP_BLE_SVC_ID, &Ble::CHIP_BLE_CHAR_2_UUID);
}
break;
default:
break;
}
}
CHIP_ERROR BLEManagerImpl::SubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId,
const ChipBleUUID * charId)
{
ChipLogProgress(DeviceLayer, "BLEManagerImpl::SubscribeCharacteristic() not supported");
return CHIP_ERROR_NOT_IMPLEMENTED;
}
CHIP_ERROR BLEManagerImpl::UnsubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId,
const ChipBleUUID * charId)
{
ChipLogProgress(DeviceLayer, "BLEManagerImpl::UnsubscribeCharacteristic() not supported");
return CHIP_ERROR_NOT_IMPLEMENTED;
}
CHIP_ERROR BLEManagerImpl::CloseConnection(BLE_CONNECTION_OBJECT conId)
{
CHIP_ERROR err = CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE;
ChipLogProgress(DeviceLayer, "Closing BLE GATT connection con %u", *(uint16_t *) conId);
// aci_gap_terminate(gconnid, CONNECTION_CLOSE);
return err;
}
uint16_t BLEManagerImpl::GetMTU(BLE_CONNECTION_OBJECT conId) const
{
uint16_t retVal = 0;
// TODO get MTU from stm32 api
retVal = STM32_MTU;
return retVal;
}
CHIP_ERROR BLEManagerImpl::SendIndication(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId,
PacketBufferHandle data)
{
uint16_t dataLen = data->DataLength();
ChipLogDetail(DeviceLayer, "Sending notification for CHIPoBLE Client TX (con %u, len %u)", *(uint16_t *) conId, dataLen);
APP_MATTER_Send_Notification(dataLen, data->Start());
return CHIP_NO_ERROR;
}
CHIP_ERROR BLEManagerImpl::SendWriteRequest(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId,
PacketBufferHandle pBuf)
{
ChipLogProgress(DeviceLayer, "BLEManagerImpl::SendWriteRequest() not supported");
return CHIP_ERROR_NOT_IMPLEMENTED;
}
void BLEManagerImpl::NotifyChipConnectionClosed(BLE_CONNECTION_OBJECT conId)
{
CloseConnection(conId);
}
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);
ChipLogProgress(DeviceLayer, "kAsyncInitCompleted done");
// If CHIP_DEVICE_CONFIG_CHIPOBLE_DISABLE_ADVERTISING_WHEN_PROVISIONED is enabled,
// disable CHIPoBLE advertising if the device is fully provisioned.
#if CHIP_DEVICE_CONFIG_CHIPOBLE_DISABLE_ADVERTISING_WHEN_PROVISIONED
if (ConfigurationMgr().IsFullyProvisioned())
{
mFlags.Clear(Flags::kAdvertisingEnabled);
ChipLogProgress(DeviceLayer, "CHIPoBLE advertising disabled because device is fully provisioned");
}
#endif // CHIP_DEVICE_CONFIG_CHIPOBLE_DISABLE_ADVERTISING_WHEN_PROVISIONED
}
// 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...
&& (mNumGAPCons == 0)
#endif
)
{
// Start/re-start BLE advertising if not already advertising, or if the
// advertising state of the underlying stack needs to be refreshed.
if (!mFlags.Has(Flags::kAdvertising) || mFlags.Has(Flags::kAdvertisingRefreshNeeded))
{
mFlags.Clear(Flags::kAdvertisingRefreshNeeded);
err = StartAdvertising();
SuccessOrExit(err);
}
}
// Otherwise, stop advertising if currently active.
else if (mFlags.Has(Flags::kAdvertising))
{
err = StopAdvertising();
SuccessOrExit(err);
}
exit:
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "Disabling CHIPoBLE service due to error: %s", ErrorStr(err));
mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Disabled;
}
}
CHIP_ERROR BLEManagerImpl::ConfigureAdvertisingData(void)
{
ChipBLEDeviceIdentificationInfo mDeviceIdInfo;
CHIP_ERROR err;
uint8_t index = 0;
uint8_t deviceNameLength = 0;
uint8_t deviceIdInfoLength = 0;
int ret = 0;
char deviceName[kMaxDeviceNameLength + 1];
uint8_t advDataBuf[kMaxAdvertisementDataSetSize];
uint8_t scanRespDataBuf[kMaxAdvertisementDataSetSize];
memset(advDataBuf, 0, kMaxAdvertisementDataSetSize);
memset(scanRespDataBuf, 0, kMaxAdvertisementDataSetSize);
err = ConfigurationMgr().GetBLEDeviceIdentificationInfo(mDeviceIdInfo);
SuccessOrExit(err);
if (!mFlags.Has(Flags::kDeviceNameSet))
{
snprintf(deviceName, sizeof(deviceName), "%s%04" PRIX32, CHIP_DEVICE_CONFIG_BLE_DEVICE_NAME_PREFIX, (uint32_t) 0);
deviceName[kMaxDeviceNameLength] = 0;
SuccessOrExit(err);
}
deviceNameLength = static_cast<uint8_t>(strlen(deviceName));
deviceIdInfoLength = sizeof(mDeviceIdInfo);
// Check sizes
static_assert(sizeof(mDeviceIdInfo) + CHIP_ADV_SHORT_UUID_LEN + 1 <= UINT8_MAX, "Our length won't fit in a uint8_t");
static_assert(2 + CHIP_ADV_SHORT_UUID_LEN + sizeof(mDeviceIdInfo) + 1 <= kMaxAdvertisementDataSetSize,
"Advertisement data buffer is not big enough");
// Fill in advertising data
index = 0;
advDataBuf[index++] = 0x02; // length
advDataBuf[index++] = CHIP_ADV_DATA_TYPE_FLAGS; // AD type : flags
advDataBuf[index++] = CHIP_ADV_DATA_FLAGS; // AD value
advDataBuf[index++] = static_cast<uint8_t>(deviceIdInfoLength + CHIP_ADV_SHORT_UUID_LEN + 1); // AD length
advDataBuf[index++] = CHIP_ADV_DATA_TYPE_SERVICE_DATA; // AD type : Service Data
advDataBuf[index++] = chipUUID_CHIPoBLE_Service[1]; // AD value
advDataBuf[index++] = chipUUID_CHIPoBLE_Service[0];
memcpy(&advDataBuf[index], (void *) &mDeviceIdInfo, deviceIdInfoLength); // AD value
index = static_cast<uint8_t>(index + deviceIdInfoLength);
ChipLogError(DeviceLayer, "state return update adv: %d", ret);
// Fill in scan response data
index = 0;
scanRespDataBuf[index++] = CHIP_ADV_SHORT_UUID_LEN + 1; // AD length
scanRespDataBuf[index++] = CHIP_ADV_DATA_TYPE_UUID; // AD type : uuid
scanRespDataBuf[index++] = chipUUID_CHIPoBLE_Service[1]; // AD value
scanRespDataBuf[index++] = chipUUID_CHIPoBLE_Service[0];
VerifyOrExit(index + (deviceNameLength + 2) <= kMaxAdvertisementDataSetSize, err = CHIP_ERROR_BUFFER_TOO_SMALL);
scanRespDataBuf[index++] = static_cast<uint8_t>(deviceNameLength + 1); // length
scanRespDataBuf[index++] = CHIP_ADV_DATA_TYPE_NAME; // AD type : name
memcpy(&scanRespDataBuf[index], deviceName, deviceNameLength); // AD value
index = static_cast<uint8_t>(index + deviceNameLength);
exit:
return err;
}
CHIP_ERROR BLEManagerImpl::StartAdvertising(void)
{
CHIP_ERROR err;
// If already advertising, stop it, before changing values
if (mFlags.Has(Flags::kAdvertising))
{
APP_BLE_Adv_Cancel(); // ST ble api
}
else
{
ChipLogProgress(DeviceLayer, "CHIPoBLE start advertising");
}
err = ConfigureAdvertisingData();
SuccessOrExit(err);
mFlags.Clear(Flags::kRestartAdvertising);
if (mFlags.Has(Flags::kFastAdvertisingEnabled))
{
APP_BLE_Adv_Request(APP_BLE_FAST_ADV);
}
else
{
APP_BLE_Adv_Request(APP_BLE_LP_ADV);
}
// Flag updated asynchronously by BLE host callback
mFlags.Set(Flags::kAdvertising);
if (mFlags.Has(Flags::kFastAdvertisingEnabled))
{
StartBleAdvTimeoutTimer(CHIP_DEVICE_CONFIG_BLE_ADVERTISING_INTERVAL_CHANGE_TIME);
}
exit:
return err;
}
CHIP_ERROR BLEManagerImpl::StopAdvertising(void)
{
CHIP_ERROR err;
APP_BLE_Adv_Cancel(); // ST ble api
CancelBleAdvTimeoutTimer();
// Transition to the not Advertising state...
if (mFlags.Has(Flags::kAdvertising))
{
mFlags.Clear(Flags::kAdvertising);
mFlags.Set(Flags::kFastAdvertisingEnabled);
ChipLogProgress(DeviceLayer, "CHIPoBLE advertising stopped");
// Post a CHIPoBLEAdvertisingChange(Stopped) event.
ChipDeviceEvent advChange;
advChange.Type = DeviceEventType::kCHIPoBLEAdvertisingChange;
advChange.CHIPoBLEAdvertisingChange.Result = kActivity_Stopped;
err = PlatformMgr().PostEvent(&advChange);
}
return err;
}
uint16_t BLEManagerImpl::_NumConnections(void)
{
uint16_t numCons = 0;
for (uint16_t i = 0; i < kMaxConnections; i++)
{
if (mSubscribedConIds[i] != BLE_CONNECTION_UNINITIALIZED)
{
numCons++;
}
}
return numCons;
}
void BLEManagerImpl::DriveBLEState(intptr_t arg)
{
sInstance.DriveBLEState();
}
void BLEManagerImpl::bleConnect(void)
{
CHIP_ERROR err;
ChipLogProgress(DeviceLayer, "BLE GATT connection established ");
mNumGAPCons++;
mFlags.Set(Flags::kAdvertisingRefreshNeeded);
ChipDeviceEvent connectEvent;
connectEvent.Type = DeviceEventType::kCHIPoBLEConnectionEstablished;
err = PlatformMgr().PostEvent(&connectEvent);
PlatformMgr().ScheduleWork(DriveBLEState, 0);
}
void BLEManagerImpl::bleDisconnect(uint16_t connid)
{
CHIP_ERROR err;
ChipLogDetail(DeviceLayer, "BLE GATT connection closed (con %u)", connid);
;
// Force a refresh of the advertising state.
if (mNumGAPCons > 0)
{
mNumGAPCons--;
}
// 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 (!BLEMgrImpl().IsSubscribed(connid))
{
if (UnsetSubscribed(connid))
{
ChipDeviceEvent event;
event.Type = DeviceEventType::kCHIPoBLEConnectionError;
event.CHIPoBLEConnectionError.ConId = connid;
PlatformMgr().PostEventOrDie(&event);
ChipLogDetail(DeviceLayer, "BLE unuset subscribed (con %u)", connid);
}
}
mFlags.Set(Flags::kAdvertisingRefreshNeeded);
ChipDeviceEvent disconnectEvent;
disconnectEvent.Type = DeviceEventType::kCHIPoBLEConnectionClosed;
err = PlatformMgr().PostEvent(&disconnectEvent);
PlatformMgr().ScheduleWork(DriveBLEState, 0);
}
void BLEManagerImpl::HandleGAPConnect(void)
{
ChipLogProgress(DeviceLayer, "Gap connect");
sInstance.bleConnect();
}
void BLEManagerImpl::HandleGAPDisconnect(uint16_t * connid)
{
ChipLogProgress(DeviceLayer, "Gap disconnect");
sInstance.bleDisconnect(gconnid);
}
void BLEManagerImpl::HandleRXCharWrite(BLE_Matter_RX * aMessage)
{
CHIP_ERROR err = CHIP_NO_ERROR;
ChipLogProgress(DeviceLayer, "Write request received for CHIPoBLE Client RX characteristic (con %u, len %u)", aMessage->connid,
aMessage->Length);
// update connid
gconnid = aMessage->connid;
PacketBufferHandle buf = System::PacketBufferHandle::NewWithData(aMessage->Payload, aMessage->Length, 0, 0);
VerifyOrExit(!buf.IsNull(), err = CHIP_ERROR_NO_MEMORY);
// Post an event to the Chip queue to deliver the data into the Chip stack.
{
ChipDeviceEvent event;
event.Type = DeviceEventType::kCHIPoBLEWriteReceived;
event.CHIPoBLEWriteReceived.ConId = aMessage->connid;
event.CHIPoBLEWriteReceived.Data = std::move(buf).UnsafeRelease();
err = PlatformMgr().PostEvent(&event);
}
exit:
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "HandleRXCharWrite() failed: %s", ErrorStr(err));
// TODO: fail connection???
}
}
void BLEManagerImpl::HandleTXCharCCCDWrite(BLE_Matter_TXCharCCCD * aMessage)
{
CHIP_ERROR err = CHIP_NO_ERROR;
bool notificationsEnabled;
ChipLogProgress(DeviceLayer, "Write request received for CHIPoBLE TX characteristic CCCD (con %u, len %u)", aMessage->connid,
0);
// Determine if the client is enabling or disabling notifications
notificationsEnabled = (aMessage->notif != 0);
// If the client has requested to enable notifications
if (notificationsEnabled)
{
// Set subcription only the first time
if (!BLEMgrImpl().IsSubscribed(aMessage->connid)) // conid
{
// Record that notifications have been enabled for this connection.
err = BLEMgrImpl().SetSubscribed(aMessage->connid);
VerifyOrExit(err != CHIP_ERROR_NO_MEMORY, err = CHIP_NO_ERROR);
SuccessOrExit(err);
}
}
else
{
// If notifications had previously been enabled for this connection, record that they are no longer enabled
BLEMgrImpl().UnsetSubscribed(aMessage->connid);
}
// Post an event to the Chip queue to process either a CHIPoBLE Subscribe or Unsubscribe based on
// whether the client is enabling or disabling notifications
{
ChipDeviceEvent event;
event.Type = (notificationsEnabled) ? DeviceEventType::kCHIPoBLESubscribe : DeviceEventType::kCHIPoBLEUnsubscribe;
event.CHIPoBLESubscribe.ConId = aMessage->connid;
err = PlatformMgr().PostEvent(&event);
}
ChipLogProgress(DeviceLayer, "CHIPoBLE %s received", notificationsEnabled ? "subscribe" : "unsubscribe");
exit:
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "HandleTXCharCCCDWrite() failed: %s", ErrorStr(err));
// TODO: fail connection???
}
}
void BLEManagerImpl::HandleAck(uint16_t * connid)
{
ChipDeviceEvent event;
event.Type = DeviceEventType::kCHIPoBLEIndicateConfirm;
event.CHIPoBLEIndicateConfirm.ConId = gconnid;
PlatformMgr().PostEventOrDie(&event);
}
CHIP_ERROR BLEManagerImpl::SetSubscribed(uint16_t conId)
{
uint16_t freeIndex = kMaxConnections;
for (uint16_t i = 0; i < kMaxConnections; i++)
{
if (mSubscribedConIds[i] == conId)
{
return CHIP_NO_ERROR;
}
else if (mSubscribedConIds[i] == BLE_CONNECTION_UNINITIALIZED && i < freeIndex)
{
freeIndex = i;
}
}
if (freeIndex < kMaxConnections)
{
mSubscribedConIds[freeIndex] = conId;
return CHIP_NO_ERROR;
}
else
{
return CHIP_ERROR_NO_MEMORY;
}
}
bool BLEManagerImpl::UnsetSubscribed(uint16_t conId)
{
for (uint16_t i = 0; i < kMaxConnections; i++)
{
if (mSubscribedConIds[i] == conId)
{
mSubscribedConIds[i] = BLE_CONNECTION_UNINITIALIZED;
return true;
}
}
return false;
}
bool BLEManagerImpl::IsSubscribed(uint16_t conId)
{
if (conId != BLE_CONNECTION_UNINITIALIZED)
{
for (uint16_t i = 0; i < kMaxConnections; i++)
{
if (mSubscribedConIds[i] == conId)
{
return true;
}
}
}
return false;
}
void BLEManagerImpl::BleAdvTimeoutHandler(TimerHandle_t xTimer)
{
if (BLEMgrImpl().mFlags.Has(Flags::kFastAdvertisingEnabled))
{
ChipLogDetail(DeviceLayer, "bleAdv Timeout : Start slow advertisement");
BLEMgr().SetAdvertisingMode(BLEAdvertisingMode::kSlowAdvertising);
}
}
void BLEManagerImpl::CancelBleAdvTimeoutTimer(void)
{
if (xTimerStop(sbleAdvTimeoutTimer, 0) == pdFAIL)
{
ChipLogError(DeviceLayer, "Failed to stop BledAdv timeout timer");
}
}
void BLEManagerImpl::StartBleAdvTimeoutTimer(uint32_t aTimeoutInMs)
{
if (xTimerIsTimerActive(sbleAdvTimeoutTimer))
{
CancelBleAdvTimeoutTimer();
}
// timer is not active, change its period to required value (== restart).
// FreeRTOS- Block for a maximum of 100 ticks if the change period command
// cannot immediately be sent to the timer command queue.
if (xTimerChangePeriod(sbleAdvTimeoutTimer, pdMS_TO_TICKS(aTimeoutInMs), 100) != pdPASS)
{
ChipLogError(DeviceLayer, "Failed to start BledAdv timeout timer");
}
}
} // namespace Internal
} // namespace DeviceLayer
} // namespace chip