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