| /* |
| * |
| * Copyright (c) 2020-2023 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 implementations of the CHIP System Layer platform |
| * time/clock functions that are suitable for use on the K32W1 platform. |
| */ |
| /* this file behaves like a config.h, comes first */ |
| #include <platform/internal/CHIPDeviceLayerInternal.h> |
| |
| #include <openthread/platform/time.h> |
| |
| namespace chip { |
| namespace System { |
| namespace Clock { |
| |
| namespace Internal { |
| ClockImpl gClockImpl; |
| } // namespace Internal |
| |
| namespace { |
| |
| uint64_t sBootTimeUS = 0; |
| |
| } // unnamed namespace |
| |
| Microseconds64 ClockImpl::GetMonotonicMicroseconds64(void) |
| { |
| return Clock::Microseconds64(otPlatTimeGet()); |
| } |
| |
| Milliseconds64 ClockImpl::GetMonotonicMilliseconds64(void) |
| { |
| return std::chrono::duration_cast<Milliseconds64>(GetMonotonicMicroseconds64()); |
| } |
| |
| uint64_t GetClock_Monotonic(void) |
| { |
| return otPlatTimeGet(); |
| } |
| |
| uint64_t GetClock_MonotonicMS(void) |
| { |
| return (otPlatTimeGet() / 1000); |
| } |
| |
| uint64_t GetClock_MonotonicHiRes(void) |
| { |
| return GetClock_Monotonic(); |
| } |
| |
| CHIP_ERROR ClockImpl::GetClock_RealTime(Clock::Microseconds64 & aCurTime) |
| { |
| // TODO(19081): This platform does not properly error out if wall clock has |
| // not been set. For now, short circuit this. |
| return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE; |
| #if 0 |
| if (sBootTimeUS == 0) |
| { |
| return CHIP_ERROR_REAL_TIME_NOT_SYNCED; |
| } |
| aCurTime = Clock::Microseconds64(sBootTimeUS + GetClock_Monotonic()); |
| return CHIP_NO_ERROR; |
| #endif |
| } |
| |
| CHIP_ERROR ClockImpl::GetClock_RealTimeMS(Clock::Milliseconds64 & aCurTime) |
| { |
| if (sBootTimeUS == 0) |
| { |
| return CHIP_ERROR_REAL_TIME_NOT_SYNCED; |
| } |
| aCurTime = Clock::Milliseconds64((sBootTimeUS + GetClock_Monotonic()) / 1000); |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR ClockImpl::SetClock_RealTime(Clock::Microseconds64 aNewCurTime) |
| { |
| uint64_t timeSinceBootUS = GetClock_Monotonic(); |
| if (aNewCurTime.count() > timeSinceBootUS) |
| { |
| sBootTimeUS = aNewCurTime.count() - timeSinceBootUS; |
| } |
| else |
| { |
| sBootTimeUS = 0; |
| } |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR InitClock_RealTime() |
| { |
| Clock::Microseconds64 curTime = |
| Clock::Microseconds64((static_cast<uint64_t>(CHIP_SYSTEM_CONFIG_VALID_REAL_TIME_THRESHOLD) * UINT64_C(1000000))); |
| // Use CHIP_SYSTEM_CONFIG_VALID_REAL_TIME_THRESHOLD as the initial value of RealTime. |
| // Then the RealTime obtained from GetClock_RealTime will be always valid. |
| // |
| // TODO(19081): This is broken because it causes the platform to report |
| // that it does have wall clock time when it actually doesn't. |
| return System::SystemClock().SetClock_RealTime(curTime); |
| } |
| |
| } // namespace Clock |
| } // namespace System |
| } // namespace chip |