blob: c56990fb0d371202da9e3d9ea4e3f0f414091571 [file] [log] [blame]
/*
*
* Copyright (c) 2020 Project CHIP Authors
* Copyright (c) 2019 Nest Labs, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file
* Provides an implementation of the ThreadStackManager object
* for EFR32 platforms using the Silicon Labs SDK and the OpenThread
* stack.
*/
#pragma once
#include <platform/FreeRTOS/GenericThreadStackManagerImpl_FreeRTOS.h>
#include <platform/OpenThread/GenericThreadStackManagerImpl_OpenThread.h>
#include <openthread/tasklet.h>
#include <openthread/thread.h>
extern "C" void otSysEventSignalPending(void);
namespace chip {
namespace DeviceLayer {
class ThreadStackManager;
class ThreadStackManagerImpl;
namespace Internal {
extern int GetEntropy_EFR32(uint8_t * buf, size_t bufSize);
}
/**
* Concrete implementation of the ThreadStackManager singleton object for EFR32 platforms
* using the Silicon Labs SDK and the OpenThread stack.
*/
class ThreadStackManagerImpl final : public ThreadStackManager,
public Internal::GenericThreadStackManagerImpl_OpenThread<ThreadStackManagerImpl>,
public Internal::GenericThreadStackManagerImpl_FreeRTOS<ThreadStackManagerImpl>
{
// Allow the ThreadStackManager interface class to delegate method calls to
// the implementation methods provided by this class.
friend class ThreadStackManager;
// Allow the generic implementation base classes to call helper methods on
// this class.
#ifndef DOXYGEN_SHOULD_SKIP_THIS
friend Internal::GenericThreadStackManagerImpl_OpenThread<ThreadStackManagerImpl>;
friend Internal::GenericThreadStackManagerImpl_OpenThread<ThreadStackManagerImpl>;
friend Internal::GenericThreadStackManagerImpl_FreeRTOS<ThreadStackManagerImpl>;
#endif
// Allow glue functions called by OpenThread to call helper methods on this
// class.
friend void ::otTaskletsSignalPending(otInstance * otInst);
friend void ::otSysEventSignalPending(void);
public:
// ===== Platform-specific members that may be accessed directly by the application.
using ThreadStackManager::InitThreadStack;
CHIP_ERROR InitThreadStack(otInstance * otInst);
private:
// ===== Methods that implement the ThreadStackManager abstract interface.
CHIP_ERROR _InitThreadStack(void);
// ===== Members for internal use by the following friends.
friend ThreadStackManager & ::chip::DeviceLayer::ThreadStackMgr(void);
friend ThreadStackManagerImpl & ::chip::DeviceLayer::ThreadStackMgrImpl(void);
friend int Internal::GetEntropy_EFR32(uint8_t * buf, size_t bufSize);
static ThreadStackManagerImpl sInstance;
static bool IsInitialized();
// ===== Private members for use by this class only.
ThreadStackManagerImpl() = default;
};
/**
* Returns the public interface of the ThreadStackManager singleton object.
*
* Chip applications should use this to access features of the ThreadStackManager object
* that are common to all platforms.
*/
inline ThreadStackManager & ThreadStackMgr(void)
{
return ThreadStackManagerImpl::sInstance;
}
/**
* Returns the platform-specific implementation of the ThreadStackManager singleton object.
*
* Chip applications can use this to gain access to features of the ThreadStackManager
* that are specific to EFR32 platforms.
*/
inline ThreadStackManagerImpl & ThreadStackMgrImpl(void)
{
return ThreadStackManagerImpl::sInstance;
}
} // namespace DeviceLayer
} // namespace chip