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// Copyright 2021 The Pigweed Authors
//
// 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
//
// https://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.
#include "FreeRTOS.h"
#include "pw_system/config.h"
#include "pw_thread/detached_thread.h"
#include "pw_thread/thread.h"
#include "pw_thread_freertos/context.h"
#include "pw_thread_freertos/options.h"
namespace pw::system {
// Low to high priorities.
enum class ThreadPriority : UBaseType_t {
kWorkQueue = tskIDLE_PRIORITY + 1,
// TODO(amontanez): These should ideally be at different priority levels, but
// there's synchronization issues when they are.
kLog = kWorkQueue,
kRpc = kWorkQueue,
#if PW_SYSTEM_ENABLE_TRANSFER_SERVICE
kTransfer = kWorkQueue,
#endif // PW_SYSTEM_ENABLE_TRANSFER_SERVICE
kNumPriorities,
};
static_assert(static_cast<UBaseType_t>(ThreadPriority::kNumPriorities) <=
configMAX_PRIORITIES);
static constexpr size_t kLogThreadStackWords = 1024;
static thread::freertos::StaticContextWithStack<kLogThreadStackWords>
log_thread_context;
const thread::Options& LogThreadOptions() {
static constexpr auto options =
pw::thread::freertos::Options()
.set_name("LogThread")
.set_static_context(log_thread_context)
.set_priority(static_cast<UBaseType_t>(ThreadPriority::kLog));
return options;
}
static constexpr size_t kRpcThreadStackWords = 512;
static thread::freertos::StaticContextWithStack<kRpcThreadStackWords>
rpc_thread_context;
const thread::Options& RpcThreadOptions() {
static constexpr auto options =
pw::thread::freertos::Options()
.set_name("RpcThread")
.set_static_context(rpc_thread_context)
.set_priority(static_cast<UBaseType_t>(ThreadPriority::kRpc));
return options;
}
#if PW_SYSTEM_ENABLE_TRANSFER_SERVICE
static constexpr size_t kTransferThreadStackWords = 512;
static thread::freertos::StaticContextWithStack<kTransferThreadStackWords>
transfer_thread_context;
const thread::Options& TransferThreadOptions() {
static constexpr auto options =
pw::thread::freertos::Options()
.set_name("TransferThread")
.set_static_context(transfer_thread_context)
.set_priority(static_cast<UBaseType_t>(ThreadPriority::kTransfer));
return options;
}
#endif // PW_SYSTEM_ENABLE_TRANSFER_SERVICE
static constexpr size_t kWorkQueueThreadStackWords = 512;
static thread::freertos::StaticContextWithStack<kWorkQueueThreadStackWords>
work_queue_thread_context;
const thread::Options& WorkQueueThreadOptions() {
static constexpr auto options =
pw::thread::freertos::Options()
.set_name("WorkQueueThread")
.set_static_context(work_queue_thread_context)
.set_priority(static_cast<UBaseType_t>(ThreadPriority::kWorkQueue));
return options;
}
} // namespace pw::system
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