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 package com.android.nfc; 18 19 import android.annotation.Nullable; 20 import android.nfc.NdefMessage; 21 import android.os.Bundle; 22 23 import java.io.IOException; 24 25 public interface DeviceHost { 26 public interface DeviceHostListener { 27 public void onRemoteEndpointDiscovered(TagEndpoint tag); 28 29 /** 30 */ 31 public void onHostCardEmulationActivated(int technology); 32 public void onHostCardEmulationData(int technology, byte[] data); 33 public void onHostCardEmulationDeactivated(int technology); 34 35 /** 36 * Notifies P2P Device detected, to activate LLCP link 37 */ 38 public void onLlcpLinkActivated(NfcDepEndpoint device); 39 40 /** 41 * Notifies P2P Device detected, to activate LLCP link 42 */ 43 public void onLlcpLinkDeactivated(NfcDepEndpoint device); 44 45 public void onLlcpFirstPacketReceived(NfcDepEndpoint device); 46 47 public void onRemoteFieldActivated(); 48 49 public void onRemoteFieldDeactivated(); 50 } 51 52 public interface TagEndpoint { 53 boolean connect(int technology); 54 boolean reconnect(); 55 boolean disconnect(); 56 57 boolean presenceCheck(); 58 boolean isPresent(); 59 void startPresenceChecking(int presenceCheckDelay, 60 @Nullable TagDisconnectedCallback callback); 61 62 int[] getTechList(); 63 void removeTechnology(int tech); // TODO remove this one 64 Bundle[] getTechExtras(); 65 byte[] getUid(); 66 int getHandle(); 67 68 byte[] transceive(byte[] data, boolean raw, int[] returnCode); 69 70 boolean checkNdef(int[] out); 71 byte[] readNdef(); 72 boolean writeNdef(byte[] data); 73 NdefMessage findAndReadNdef(); 74 boolean formatNdef(byte[] key); 75 boolean isNdefFormatable(); 76 boolean makeReadOnly(); 77 78 int getConnectedTechnology(); 79 } 80 81 public interface TagDisconnectedCallback { 82 void onTagDisconnected(long handle); 83 } 84 85 public interface NfceeEndpoint { 86 // TODO flesh out multi-EE and use this 87 } 88 89 public interface NfcDepEndpoint { 90 91 /** 92 * Peer-to-Peer Target 93 */ 94 public static final short MODE_P2P_TARGET = 0x00; 95 /** 96 * Peer-to-Peer Initiator 97 */ 98 public static final short MODE_P2P_INITIATOR = 0x01; 99 /** 100 * Invalid target mode 101 */ 102 public static final short MODE_INVALID = 0xff; 103 104 public byte[] receive(); 105 106 public boolean send(byte[] data); 107 108 public boolean connect(); 109 110 public boolean disconnect(); 111 112 public byte[] transceive(byte[] data); 113 114 public int getHandle(); 115 116 public int getMode(); 117 118 public byte[] getGeneralBytes(); 119 120 public byte getLlcpVersion(); 121 } 122 123 public interface LlcpSocket { 124 public void connectToSap(int sap) throws IOException; 125 126 public void connectToService(String serviceName) throws IOException; 127 128 public void close() throws IOException; 129 130 public void send(byte[] data) throws IOException; 131 132 public int receive(byte[] recvBuff) throws IOException; 133 134 public int getRemoteMiu(); 135 136 public int getRemoteRw(); 137 138 public int getLocalSap(); 139 140 public int getLocalMiu(); 141 142 public int getLocalRw(); 143 } 144 145 public interface LlcpServerSocket { 146 public LlcpSocket accept() throws IOException, LlcpException; 147 148 public void close() throws IOException; 149 } 150 151 public interface LlcpConnectionlessSocket { 152 public int getLinkMiu(); 153 154 public int getSap(); 155 156 public void send(int sap, byte[] data) throws IOException; 157 158 public LlcpPacket receive() throws IOException; 159 160 public void close() throws IOException; 161 } 162 163 /** 164 * Called at boot if NFC is disabled to give the device host an opportunity 165 * to check the firmware version to see if it needs updating. Normally the firmware version 166 * is checked during {@link #initialize(boolean enableScreenOffSuspend)}, 167 * but the firmware may need to be updated after an OTA update. 168 * 169 * <p>This is called from a thread 170 * that may block for long periods of time during the update process. 171 */ 172 public void checkFirmware(); 173 174 public boolean initialize(); 175 176 public boolean deinitialize(); 177 178 public String getName(); 179 180 public void enableDiscovery(NfcDiscoveryParameters params, boolean restart); 181 182 public void disableDiscovery(); 183 184 public boolean sendRawFrame(byte[] data); 185 186 public boolean routeAid(byte[] aid, int route); 187 188 public boolean unrouteAid(byte[] aid); 189 190 public boolean commitRouting(); 191 192 public void registerT3tIdentifier(byte[] t3tIdentifier); 193 194 public void deregisterT3tIdentifier(byte[] t3tIdentifier); 195 196 public void clearT3tIdentifiersCache(); 197 198 public int getLfT3tMax(); 199 200 public LlcpConnectionlessSocket createLlcpConnectionlessSocket(int nSap, String sn) 201 throws LlcpException; 202 203 public LlcpServerSocket createLlcpServerSocket(int nSap, String sn, int miu, 204 int rw, int linearBufferLength) throws LlcpException; 205 206 public LlcpSocket createLlcpSocket(int sap, int miu, int rw, 207 int linearBufferLength) throws LlcpException; 208 209 public boolean doCheckLlcp(); 210 211 public boolean doActivateLlcp(); 212 213 public void resetTimeouts(); 214 215 public boolean setTimeout(int technology, int timeout); 216 217 public int getTimeout(int technology); 218 219 public void doAbort(); 220 221 boolean canMakeReadOnly(int technology); 222 223 int getMaxTransceiveLength(int technology); 224 225 void setP2pInitiatorModes(int modes); 226 227 void setP2pTargetModes(int modes); 228 229 boolean getExtendedLengthApdusSupported(); 230 231 int getDefaultLlcpMiu(); 232 233 int getDefaultLlcpRwSize(); 234 235 String dump(); 236 237 boolean enableScreenOffSuspend(); 238 239 boolean disableScreenOffSuspend(); 240 } 241
