1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #define LOG_TAG "SampleDriverLimited"
18
19 #include <android-base/logging.h>
20 #include <android/hardware/neuralnetworks/1.3/IDevice.h>
21 #include <hidl/HidlTransportSupport.h>
22 #include <nnapi/Types.h>
23 #include <nnapi/hal/Adapter.h>
24
25 #include <algorithm>
26 #include <memory>
27 #include <string>
28 #include <utility>
29 #include <vector>
30
31 #include "CanonicalDevice.h"
32 #include "LimitedSupportDevice.h"
33
34 namespace android::nn::sample {
35 namespace {
36
main()37 int main() {
38 constexpr size_t kNumberOfThreads = 4;
39 hardware::configureRpcThreadpool(kNumberOfThreads, true);
40
41 // Get the canonical interface objects. When developing the SL, you may want to make this
42 // "getDevices" instead.
43 const auto devices = getExampleLimitedDevices();
44
45 // Adapt all canonical interface objects to HIDL interface objects.
46 std::vector<sp<hardware::neuralnetworks::V1_3::IDevice>> hidlDevices;
47 hidlDevices.reserve(devices.size());
48 std::transform(
49 devices.begin(), devices.end(), std::back_inserter(hidlDevices),
50 [](const auto& device) { return hardware::neuralnetworks::adapter::adapt(device); });
51
52 // Register all HIDL interface objects.
53 CHECK_EQ(devices.size(), hidlDevices.size());
54 for (size_t i = 0; i < hidlDevices.size(); ++i) {
55 if (hidlDevices[i]->registerAsService(devices[i]->getName()) != android::OK) {
56 LOG(ERROR) << "Could not register service " << devices[i]->getName();
57 return 1;
58 }
59 }
60
61 hardware::joinRpcThreadpool();
62 LOG(ERROR) << "Service exited!";
63 return 1;
64 }
65
66 } // namespace
67 } // namespace android::nn::sample
68
main()69 int main() {
70 return android::nn::sample::main();
71 }
72