UsbCommand.java revision 59d3d868112f8bbd14f466d0096789548b176d34 
1/*
2 * Copyright (C) 2008 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
17package com.android.commands.svc;
18
19import android.content.Context;;
20import android.hardware.usb.IUsbManager;
21import android.os.RemoteException;
22import android.os.ServiceManager;
23import android.os.SystemProperties;
24
25public class UsbCommand extends Svc.Command {
26    public UsbCommand() {
27        super("usb");
28    }
29
30    public String shortHelp() {
31        return "Control Usb state";
32    }
33
34    public String longHelp() {
35        return shortHelp() + "\n"
36                + "\n"
37                + "usage: svc usb setFunction [function]\n"
38                + "         Set the current usb function.\n\n"
39                + "       svc usb getFunction\n"
40                + "          Gets the list of currently enabled functions\n";
41    }
42
43    public void run(String[] args) {
44        boolean validCommand = false;
45        if (args.length >= 2) {
46            if ("setFunction".equals(args[1])) {
47                IUsbManager usbMgr = IUsbManager.Stub.asInterface(ServiceManager.getService(
48                        Context.USB_SERVICE));
49                try {
50                    usbMgr.setCurrentFunction((args.length >=3 ? args[2] : null), false);
51                } catch (RemoteException e) {
52                    System.err.println("Error communicating with UsbManager: " + e);
53                }
54                return;
55            } else if ("getFunction".equals(args[1])) {
56                System.err.println(SystemProperties.get("sys.usb.config"));
57                return;
58            }
59        }
60        System.err.println(longHelp());
61    }
62}
63