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69 lines
2.6 KiB
69 lines
2.6 KiB
4 months ago
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/*
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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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#define LOG_TAG "cartelemetryd_sample"
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#include <aidl/android/frameworks/automotive/telemetry/ICarTelemetry.h>
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#include <android-base/logging.h>
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#include <android-base/stringprintf.h>
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#include <android/binder_manager.h>
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#include <utils/SystemClock.h>
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using ::aidl::android::frameworks::automotive::telemetry::CarData;
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using ::aidl::android::frameworks::automotive::telemetry::ICarTelemetry;
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using ::android::base::StringPrintf;
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int main(int argc, char* argv[]) {
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const auto started_at_millis = android::elapsedRealtime();
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// The name of the service is described in
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// https://source.android.com/devices/architecture/aidl/aidl-hals#instance-names
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const std::string instance = StringPrintf("%s/default", ICarTelemetry::descriptor);
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LOG(INFO) << "Obtaining: " << instance;
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std::shared_ptr<ICarTelemetry> service = ICarTelemetry::fromBinder(
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ndk::SpAIBinder(AServiceManager_getService(instance.c_str())));
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if (!service) {
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LOG(ERROR) << "ICarTelemetry service not found, may be still initializing?";
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return 1;
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}
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LOG(INFO) << "Building a CarData message, delta_since_start: "
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<< android::elapsedRealtime() - started_at_millis << " millis";
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// Build a CarData message
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// TODO(b/174608802): set a correct data ID and content
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CarData msg;
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msg.id = 101;
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msg.content = {1, 0, 1, 0};
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LOG(INFO) << "Sending the car data, delta_since_start: "
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<< android::elapsedRealtime() - started_at_millis << " millis";
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// Send the data
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ndk::ScopedAStatus writeStatus = service->write({msg});
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if (!writeStatus.isOk()) {
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LOG(WARNING) << "Failed to write to the service: " << writeStatus.getMessage();
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}
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// Note: On a device the delta_since_start was between 1ms to 4ms
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// (service side was not fully implemented yet during the test).
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LOG(INFO) << "Finished, delta_since_start: " << android::elapsedRealtime() - started_at_millis
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<< " millis";
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return 0;
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}
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