mirror of
https://github.com/espressif/esp-protocols.git
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98 lines
2.5 KiB
C++
98 lines
2.5 KiB
C++
// Copyright 2021 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <condition_variable>
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#include <unistd.h>
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#include "cxx_include/esp_modem_primitives.hpp"
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namespace esp_modem {
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struct SignalGroupInternal {
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std::condition_variable notify;
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std::mutex m;
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uint32_t flags{ 0 };
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};
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SignalGroup::SignalGroup(): event_group(std::make_unique<SignalGroupInternal>())
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{
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}
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void SignalGroup::set(uint32_t bits)
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{
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std::unique_lock<std::mutex> lock(event_group->m);
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event_group->flags |= bits;
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event_group->notify.notify_all();
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}
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void SignalGroup::clear(uint32_t bits)
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{
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std::unique_lock<std::mutex> lock(event_group->m);
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event_group->flags &= ~bits;
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event_group->notify.notify_all();
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}
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bool SignalGroup::wait(uint32_t flags, uint32_t time_ms)
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{
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std::unique_lock<std::mutex> lock(event_group->m);
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return event_group->notify.wait_for(lock, std::chrono::milliseconds(time_ms), [&] {
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if ((flags & event_group->flags) == flags)
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{
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event_group->flags &= ~flags;
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return true;
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}
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return false;
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});
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// return ret != std::cv_status::timeout;
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// , [&]{return flags&event_group->flags; });
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}
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bool SignalGroup::is_any(uint32_t flags)
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{
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std::unique_lock<std::mutex> lock(event_group->m);
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return flags & event_group->flags;
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}
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bool SignalGroup::wait_any(uint32_t flags, uint32_t time_ms)
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{
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std::unique_lock<std::mutex> lock(event_group->m);
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return event_group->notify.wait_for(lock, std::chrono::milliseconds(time_ms), [&] { return flags & event_group->flags; });
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}
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SignalGroup::~SignalGroup() = default;
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Task::Task(size_t stack_size, size_t priority, void *task_param, TaskFunction_t task_function)
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{
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task_handle = std::thread(task_function, task_param);
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}
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Task::~Task()
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{
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task_handle.join();
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}
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void Task::Delete() {}
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void Task::Relinquish()
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{
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usleep(0);
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}
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void Task::Delay(uint32_t ms)
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{
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usleep(ms*1000);
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}
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} // namespace esp_modem
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