1 /*
2  * Copyright (C) 2021 The Android Open Source Project *
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *      http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "utils.h"
17 #include "vibrator.h"
18 
19 namespace android {
20 namespace idlcli {
21 
22 class CommandVibrator;
23 
24 namespace vibrator {
25 
26 class CommandGetFrequencyResolution : public Command {
getDescription() const27     std::string getDescription() const override {
28         return "Retrieves vibrator frequency resolution in Hz.";
29     }
30 
getUsageSummary() const31     std::string getUsageSummary() const override { return ""; }
32 
getUsageDetails() const33     UsageDetails getUsageDetails() const override {
34         UsageDetails details{};
35         return details;
36     }
37 
doArgs(Args & args)38     Status doArgs(Args &args) override {
39         if (!args.empty()) {
40             std::cerr << "Unexpected Arguments!" << std::endl;
41             return USAGE;
42         }
43         return OK;
44     }
45 
doMain(Args &&)46     Status doMain(Args && /*args*/) override {
47         std::string statusStr;
48         float frequencyResolutionHz;
49         Status ret;
50 
51         if (auto hal = getHal<aidl::IVibrator>()) {
52             auto status =
53                 hal->call(&aidl::IVibrator::getFrequencyResolution, &frequencyResolutionHz);
54             statusStr = status.getDescription();
55             ret = status.isOk() ? OK : ERROR;
56         } else {
57             return UNAVAILABLE;
58         }
59 
60         std::cout << "Status: " << statusStr << std::endl;
61         std::cout << "Frequency Resolution: " << frequencyResolutionHz << " Hz" << std::endl;
62 
63         return ret;
64     }
65 };
66 
67 static const auto Command =
68     CommandRegistry<CommandVibrator>::Register<CommandGetFrequencyResolution>(
69         "getFrequencyResolution");
70 
71 }  // namespace vibrator
72 }  // namespace idlcli
73 }  // namespace android
74