1 // Copyright 2021 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 #pragma once 15 16 #include <zephyr/kernel.h> 17 #include <zephyr/sys/mutex.h> 18 19 #include "pw_chrono/system_clock.h" 20 #include "pw_function/function.h" 21 22 namespace pw::chrono::backend { 23 24 struct NativeSystemTimer; 25 26 struct ZephyrWorkWrapper { 27 k_work_delayable work; 28 NativeSystemTimer* owner; 29 }; 30 31 struct NativeSystemTimer { 32 ZephyrWorkWrapper work_wrapper; 33 sys_mutex mutex; 34 SystemClock::time_point expiry_deadline; 35 Function<void(SystemClock::time_point expired_deadline)> user_callback; 36 }; 37 using NativeSystemTimerHandle = NativeSystemTimer&; 38 39 } // namespace pw::chrono::backend 40