blob: 7d121f1dcb7b100c1d11b5c5366d426b58cfe5d1 [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 platform.
*/
#pragma once
#include <hal/wiced_timer.h>
#include <platform/internal/GenericPlatformManagerImpl.h>
#include <wiced_rtos.h>
namespace chip {
namespace DeviceLayer {
/**
* Concrete implementation of the PlatformManager singleton object for the platform.
*/
class PlatformManagerImpl final : public PlatformManager, public Internal::GenericPlatformManagerImpl<PlatformManagerImpl>
{
// Allow the PlatformManager interface class to delegate method calls to
// the implementation methods provided by this class.
friend PlatformManager;
public:
inline bool IsCurrentTask(void) { return wiced_rtos_is_current_thread(mThread) == WICED_SUCCESS; }
private:
// ===== Methods that implement the PlatformManager abstract interface.
CHIP_ERROR _InitChipStack(void);
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 _Shutdown(void);
void SetEventFlags(uint32_t flags);
void HandleTimerEvent(void);
void HandlePostEvent(void);
// ===== Members for internal use by the following friends.
friend PlatformManager & PlatformMgr(void);
friend PlatformManagerImpl & PlatformMgrImpl(void);
wiced_thread_t * mThread;
wiced_event_flags_t * mEventFlags;
wiced_queue_t * mEventQueue;
wiced_timer_t mTimer;
wiced_mutex_t * mMutex;
static void EventLoopTaskMain(uint32_t arg);
static void TimerCallback(WICED_TIMER_PARAM_TYPE params);
static int GetEntropy(void * data, unsigned char * output, size_t len, size_t * olen);
static PlatformManagerImpl sInstance;
static constexpr uint32_t kTimerEventFlag = 1 << 0;
static constexpr uint32_t kPostEventFlag = 1 << 1;
};
/**
* 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 CYW30739 platform.
*/
inline PlatformManagerImpl & PlatformMgrImpl(void)
{
return PlatformManagerImpl::sInstance;
}
} // namespace DeviceLayer
} // namespace chip