blob: c3d5388a23c1293171faa0341b52ed02976c72df [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 PlatformManager object.
* for the ASR platform.
*/
#pragma once
#if CONFIG_ENABLE_ASR_LEGA_RTOS
#include <platform/internal/GenericPlatformManagerImpl.h>
#else
#include <platform/internal/GenericPlatformManagerImpl_FreeRTOS.h>
#endif
namespace chip {
namespace DeviceLayer {
/**
* Concrete implementation of the PlatformManager singleton object for the ASR platform.
*/
#if CONFIG_ENABLE_ASR_LEGA_RTOS
class PlatformManagerImpl final : public PlatformManager, public Internal::GenericPlatformManagerImpl<PlatformManagerImpl>
#else
class PlatformManagerImpl final : public PlatformManager, public Internal::GenericPlatformManagerImpl_FreeRTOS<PlatformManagerImpl>
#endif
{
// Allow the PlatformManager interface class to delegate method calls to
// the implementation methods provided by this class.
friend PlatformManager;
#if CONFIG_ENABLE_ASR_LEGA_RTOS
public:
inline bool IsCurrentTask(void) { return lega_rtos_is_current_thread(&mThread) == TRUE; }
#else
// Allow the generic implementation base class to call helper methods on
// this class.
#ifndef DOXYGEN_SHOULD_SKIP_THIS
friend Internal::GenericPlatformManagerImpl_FreeRTOS<PlatformManagerImpl>;
#endif
public:
// ===== Platform-specific members that may be accessed directly by the application.
CHIP_ERROR InitLwIPCoreLock(void);
#endif
System::Clock::Timestamp GetStartTime() { return mStartTime; }
private:
// ===== Methods that implement the PlatformManager abstract interface.
CHIP_ERROR _InitChipStack(void);
void _Shutdown();
// ===== Members for internal use by the following friends.
friend PlatformManager & PlatformMgr(void);
friend PlatformManagerImpl & PlatformMgrImpl(void);
System::Clock::Timestamp mStartTime = System::Clock::kZero;
static PlatformManagerImpl sInstance;
#if CONFIG_ENABLE_ASR_LEGA_RTOS
void _RunEventLoop(void);
CHIP_ERROR _StartEventLoopTask(void);
CHIP_ERROR _StopEventLoopTask(void);
void _LockChipStack(void);
bool _TryLockChipStack(void);
void _UnlockChipStack(void);
CHIP_ERROR _PostEvent(const ChipDeviceEvent * event);
CHIP_ERROR _StartChipTimer(System::Clock::Timeout durationMS);
void SetEventFlags(uint32_t flags);
void HandleTimerEvent(void);
void HandlePostEvent(void);
lega_thread_t mThread;
lega_event_flags_t mEventFlags;
lega_queue_t mEventQueue;
lega_timer_t mTimer;
lega_mutex_t mChipMutex;
lega_mutex_t mEventMutex;
static void EventLoopTaskMain(uint32_t arg);
void RunEventLoopInternal(void);
static void TimerCallback(void * params);
uint32_t kTaskRunningEventFlag;
static constexpr uint32_t kTaskStopEventFlag = 1 << 0;
static constexpr uint32_t kPostEventFlag = 1 << 1;
static constexpr uint32_t kTimerEventFlag = 1 << 2;
#endif
};
/**
* Returns the public interface of the PlatformManager singleton object.
*
* Chip applications should use this to access features of the PlatformManager object
* that are common to all platforms.
*/
inline PlatformManager & PlatformMgr(void)
{
return PlatformManagerImpl::sInstance;
}
/**
* Returns the platform-specific implementation of the PlatformManager singleton object.
*
* Chip applications can use this to gain access to features of the PlatformManager
* that are specific to the ASR platform.
*/
inline PlatformManagerImpl & PlatformMgrImpl(void)
{
return PlatformManagerImpl::sInstance;
}
} // namespace DeviceLayer
} // namespace chip