1/*
2 * Copyright (C) 2011 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
18package android.hardware;
19
20import android.app.PendingIntent;
21import android.content.Context;
22import android.os.Bundle;
23import android.os.ParcelFileDescriptor;
24import android.os.RemoteException;
25import android.os.SystemProperties;
26import android.util.Log;
27
28import java.io.IOException;
29import java.util.HashMap;
30
31/**
32 * @hide
33 */
34public class SerialManager {
35    private static final String TAG = "SerialManager";
36
37    private final Context mContext;
38    private final ISerialManager mService;
39
40    /**
41     * {@hide}
42     */
43    public SerialManager(Context context, ISerialManager service) {
44        mContext = context;
45        mService = service;
46    }
47
48    /**
49     * Returns a string array containing the names of available serial ports
50     *
51     * @return names of available serial ports
52     */
53    public String[] getSerialPorts() {
54        try {
55            return mService.getSerialPorts();
56        } catch (RemoteException e) {
57            Log.e(TAG, "RemoteException in getSerialPorts", e);
58            return null;
59        }
60    }
61
62    /**
63     * Opens and returns the {@link android.hardware.SerialPort} with the given name.
64     * The speed of the serial port must be one of:
65     * 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, 9600,
66     * 19200, 38400, 57600, 115200, 230400, 460800, 500000, 576000, 921600, 1000000, 1152000,
67     * 1500000, 2000000, 2500000, 3000000, 3500000 or 4000000
68     *
69     * @param name of the serial port
70     * @param speed at which to open the serial port
71     * @return the serial port
72     */
73    public SerialPort openSerialPort(String name, int speed) throws IOException {
74        try {
75            ParcelFileDescriptor pfd = mService.openSerialPort(name);
76            if (pfd != null) {
77                SerialPort port = new SerialPort(name);
78                port.open(pfd, speed);
79                return port;
80            } else {
81                throw new IOException("Could not open serial port " + name);
82            }
83        } catch (RemoteException e) {
84            Log.e(TAG, "exception in UsbManager.openDevice", e);
85        }
86        return null;
87    }
88}
89