78 lines
2.7 KiB
C++
78 lines
2.7 KiB
C++
/*
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* Copyright (C) 2021 The Android Open Source Project
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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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*
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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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*/
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#include <aidl/android/hardware/ir/BnConsumerIr.h>
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#include <android-base/logging.h>
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#include <android/binder_interface_utils.h>
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#include <android/binder_manager.h>
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#include <android/binder_process.h>
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#include <numeric>
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namespace aidl::android::hardware::ir {
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const std::vector<ConsumerIrFreqRange> kSupportedFreqs = {
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{2000, 4000},
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{10000, 30000},
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};
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class ConsumerIr : public BnConsumerIr {
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::ndk::ScopedAStatus getCarrierFreqs(std::vector<ConsumerIrFreqRange>* _aidl_return) override;
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::ndk::ScopedAStatus transmit(int32_t in_carrierFreqHz,
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const std::vector<int32_t>& in_pattern) override;
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};
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::ndk::ScopedAStatus ConsumerIr::getCarrierFreqs(std::vector<ConsumerIrFreqRange>* _aidl_return) {
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*_aidl_return = kSupportedFreqs;
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return ::ndk::ScopedAStatus::ok();
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}
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bool isSupportedFreq(int32_t freq) {
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for (const auto& range : kSupportedFreqs) {
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if (freq >= range.minHz && freq <= range.maxHz) return true;
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}
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return false;
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}
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::ndk::ScopedAStatus ConsumerIr::transmit(int32_t in_carrierFreqHz,
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const std::vector<int32_t>& in_pattern) {
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if (isSupportedFreq(in_carrierFreqHz)) {
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// trasmit the pattern, each integer is number of microseconds in an
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// alternating on/off state.
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usleep(std::accumulate(in_pattern.begin(), in_pattern.end(), 0));
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return ::ndk::ScopedAStatus::ok();
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} else {
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// unsupported operation
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return ::ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
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}
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return ::ndk::ScopedAStatus::ok();
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}
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} // namespace aidl::android::hardware::ir
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using aidl::android::hardware::ir::ConsumerIr;
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int main() {
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auto binder = ::ndk::SharedRefBase::make<ConsumerIr>();
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const std::string name = std::string() + ConsumerIr::descriptor + "/default";
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CHECK_EQ(STATUS_OK, AServiceManager_addService(binder->asBinder().get(), name.c_str()))
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<< "Failed to register " << name;
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ABinderProcess_setThreadPoolMaxThreadCount(0);
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ABinderProcess_joinThreadPool();
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return EXIT_FAILURE; // should not reached
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}
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