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 18 package android.hardware; 19 20 import android.app.PendingIntent; 21 import android.content.Context; 22 import android.os.Bundle; 23 import android.os.ParcelFileDescriptor; 24 import android.os.RemoteException; 25 import android.os.SystemProperties; 26 import android.util.Log; 27 28 import java.io.IOException; 29 import java.util.HashMap; 30 31 /** 32 * @hide 33 */ 34 public 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 */ SerialManager(Context context, ISerialManager service)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 */ getSerialPorts()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 */ openSerialPort(String name, int speed)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