forked from espressif/esp-protocols
112 lines
2.4 KiB
C++
112 lines
2.4 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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#pragma once
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#include "esp_event.h"
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#include "esp_modem_exception.hpp"
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#if defined(CONFIG_IDF_TARGET_LINUX)
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#include <mutex>
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#include <thread>
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#else
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// forward declarations of FreeRTOS primitives
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struct QueueDefinition;
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typedef void *EventGroupHandle_t;
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#endif
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namespace esp_modem {
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// Forward declaration for both linux/FreeRTOS targets
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//
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using TaskFunction_t = void (*)(void *);
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#if !defined(CONFIG_IDF_TARGET_LINUX)
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struct Lock {
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using MutexT = QueueHandle_t;
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explicit Lock();
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~Lock();
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void lock();
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void unlock();
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private:
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MutexT m{};
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};
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using TaskT = void*;
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using SignalT = void*;
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#else
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using Lock = std::mutex;
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struct SignalGroupInternal;
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using SignalT = std::unique_ptr<SignalGroupInternal>;
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using TaskT = std::thread;
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static constexpr uint32_t portMAX_DELAY = UINT32_MAX;
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#endif
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template<class T>
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class Scoped {
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public:
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explicit Scoped(T &l): lock(l)
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{
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lock.lock();
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}
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~Scoped()
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{
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lock.unlock();
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}
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private:
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T &lock;
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};
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class Task {
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public:
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explicit Task(size_t stack_size, size_t priority, void *task_param, TaskFunction_t task_function);
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~Task();
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static void Delete();
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static void Relinquish();
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private:
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TaskT task_handle;
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};
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class SignalGroup {
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public:
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static constexpr size_t bit0 = 1 << 0;
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static constexpr size_t bit1 = 1 << 1;
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static constexpr size_t bit2 = 1 << 2;
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static constexpr size_t bit3 = 1 << 3;
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explicit SignalGroup();
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void set(uint32_t bits);
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void clear(uint32_t bits);
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// waiting for all and clearing if set
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bool wait(uint32_t flags, uint32_t time_ms);
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bool is_any(uint32_t flags);
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// waiting for any bit, not clearing them
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bool wait_any(uint32_t flags, uint32_t time_ms);
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~SignalGroup();
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private:
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SignalT event_group;
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};
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} // namespace esp_modem
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