我正在使用https://code.google.com/p/ismb-snep-java/
我遇到一个问题，我只能发送或接收一次消息。
我可以向手机发送信息，然后我必须拔掉读卡器 然后重新插入，然后我可以重复这个过程（发送/接收）。
我认为读者正在设置一些内容，而不是没有设置。
如果我重复此过程而不拔掉它并重新插入它，则会发生以下错误：
Get factory
Get terminals
Terminal name: ACS ACR122 0
Available Commands: receive, send and quit
send
card: PC/SC card in ACS ACR122 0, protocol T=1, state OK
Exception in thread "main" java.lang.IllegalArgumentException: apdu must be at least 2 bytes long
at javax.smartcardio.ResponseAPDU.check(Unknown Source)
at javax.smartcardio.ResponseAPDU.<init>(Unknown Source)
at sun.security.smartcardio.ChannelImpl.transmit(Unknown Source)
at it.ismb.snep.IsmbSnepConnectionTarget.transceive(IsmbSnepConnectionTarget.java:113)
at it.ismb.snep.IsmbSnepConnectionTarget.sendingProcedure(IsmbSnepConnectionTarget.java:160)
at it.ismb.snep.NfcReader.<init>(NfcReader.java:76)
at it.ismb.snep.NfcReader.main(NfcReader.java:39)
Protocol:T=1
Called Procedure to Send data .. TARGET MODE
[DEBUG] {sending [56 bytes]} 0xFF 0x00 0x00 0x00 0x33 0xD4 0x8C 0x00 0x00 0x00 0x00 0x00 0x00 0x40 0x01 0xFE 0x0F 0xBB 0xBA 0xA6 0xC9 0x89 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0xFF 0xFF 0x01 0xFE 0x0F 0xBB 0xBA 0xA6 0xC9 0x89 0x00 0x00 0x0F 0x46 0x66 0x6D 0x01 0x01 0x10 0x03 0x02 0x00 0x01 0x04 0x01 0x96
有什么问题？
public NfcReader() {
TerminalFactory factory;
//List all available terminals
try {
System.out.println("Get factory");
factory = TerminalFactory.getDefault();
System.out.println("Get terminals");
terminals = factory.terminals().list();
if (terminals.size() == 0) {
System.out.println("There are not terminals!");
terminals = null;
System.exit(0);
}
else {
terminal=terminals.get(0);
System.out.println("Terminal name: "+terminal.getName());
System.out.println("Available Commands: receive, send and quit");
}
}
catch (CardException c) {
System.out.print(c.getMessage());
terminals = null;
System.exit(0);
}
timer=new Timer();
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
String line = "";
while (line.equalsIgnoreCase("quit") == false) {
try {
line = in.readLine();
if(line.compareTo("send")==0){
setUp();
n.sendingProcedure();
try {
in.close();
} catch (IOException e) { e.printStackTrace();}
System.exit(0);
}
else{
if(line.compareTo("receive")==0){
setUp();
n.receivingProcedure();
try {
in.close();
} catch (IOException e) {e.printStackTrace();}
System.exit(0);
}
else{
System.out.println("Command unknown!");
System.out.println("Supported commands are: send, receive and quit ");
}
}
} catch (IOException e) { e.printStackTrace();}
}
System.exit(0);
}
public class IsmbSnepConnectionTarget {
//USEFUL APDU COMMANDS
private final static byte TG_GET_DATA = (byte) 0x86;
private final static byte TG_INIT_AS_TARGET = (byte) 0x8c;
private final static byte TG_SET_DATA = (byte) 0x8e;
private final static byte IN_JUMP_FOR_DEP = (byte) 0x56;
private CardTerminal terminal;
private CardChannel ch;
private Card card;
// Enable debugMode to print info about the communication
private boolean debugMode = false;
//Set debug mode
public void setDebugMode() {
debugMode = true;
}
//Unset debug mode
public void unsetDebugMode() {
debugMode = false;
}
/**
* Initialize SNEP Connection
*
* @param t
* a valid card terminal
*
* @throws IsmbSnepException
* if the terminal is incorrect
*/
public IsmbSnepConnectionTarget(CardTerminal t) throws IsmbSnepException {
if (t == null) {
throw new IsmbSnepException("invalid card terminal");
}
terminal = t;
try {
if (terminal.isCardPresent()) {
card = terminal.connect("*");
System.out.println("card: "+card);
ch = card.getBasicChannel();
System.out.println("Protocol:"+card.getProtocol());
}
else {
throw new IsmbSnepException("Device not supported, only ACS ACR122 is supported now");
}
} catch (CardException e) { throw new IsmbSnepException("problem with connecting to reader");}
}
/**
* Sends and receives APDUs to and from the controller
*
* @param instr
* Instruction
* @param param
* Payload to send
*
* @return The response payload
*/
private byte[] transceive(byte instr, byte[] payload) throws IsmbSnepException {
if (ch == null) {
throw new IsmbSnepException("channel not open");
}
int payloadLength = (payload != null) ? payload.length : 0;
byte[] instruction = { (byte) 0xd4, instr };
//ACR122 header
byte[] header = { (byte) 0xff, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) (instruction.length + payloadLength) };
/* construct the command */
byte[] cmd = Util.appendToByteArray(header, instruction, 0,
instruction.length);
cmd = Util.appendToByteArray(cmd, payload);
if (debugMode)
Util.debugAPDUs(cmd, null);
try {
CommandAPDU c = new CommandAPDU(cmd);
ResponseAPDU r = ch.transmit(c);
byte[] ra = r.getBytes();
if (debugMode)
Util.debugAPDUs(null, ra);
/* check whether APDU command was accepted by the Controller */
if (r.getSW1() == 0x63 && r.getSW2() == 0x27) {
throw new CardException(
"wrong checksum from contactless response");
} else if (r.getSW1() == 0x63 && r.getSW2() == 0x7f) {
throw new CardException("wrong PN53x command");
} else if (r.getSW1() != 0x90 && r.getSW2() != 0x00) {
throw new CardException("unknown error");
}
return Util.subByteArray(ra, 2, ra.length - 4);
} catch (CardException e) {
throw new IsmbSnepException("problem with transmitting data");
}
}
public void sendingProcedure(){
System.out.println("Called Procedure to Send data .. TARGET MODE");
try {
//TG_INIT_AS_TARGET
byte[] targetPayload = {
(byte) 0x00, //MODE
//(byte) 0x01, //PASSIVE MODE ONLY
(byte) 0x00, (byte) 0x00, (byte) 0x00, //MIFARE PARAMS
(byte) 0x00, (byte) 0x00, (byte) 0x40, //MIFARE PARAMS
(byte) 0x01, (byte) 0xfe, (byte) 0x0f, (byte) 0xbb, (byte) 0xba, (byte) 0xa6, //FELICA PARAMS
(byte) 0xc9, (byte) 0x89, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, //FELICA PARAMS
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0xff, (byte) 0xff, //FELICA PARAMS
(byte) 0x01, (byte) 0xfe, (byte) 0x0f, (byte) 0xbb, (byte) 0xba, //NFCID3t
(byte) 0xa6, (byte) 0xc9, (byte) 0x89, (byte) 0x00, (byte) 0x00, //NFCID3t
(byte) 0x0F, //LEN Gt
(byte) 0x46, (byte) 0x66, (byte) 0x6D, //LLCP WORD
(byte) 0x01, (byte) 0x01, (byte) 0x10, //VERSION NUMBER
(byte) 0x03, (byte) 0x02, (byte) 0x00, (byte) 0x01, //WELL KNOWN SERVICE LIST
(byte) 0x04, (byte) 0x01, (byte) 0x96 //LINK TIMEOUT
};
transceive(TG_INIT_AS_TARGET, targetPayload);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(200);
} catch (InterruptedException e1) {e1.printStackTrace();}
try {
//GETDATA
transceive(TG_GET_DATA, null);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
try {
byte[] targetPayload = {
(byte)0x11, (byte)0x20,};
transceive(TG_SET_DATA, targetPayload);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
try {
byte[] targetPayload = {
(byte)0x00, (byte)0x00,};
transceive(TG_SET_DATA, targetPayload);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
try {
//GETDATA
transceive(TG_GET_DATA, null);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
try {
byte[] targetPayload = {
(byte) 0x13, (byte) 0x20, //INFO LLCP
(byte) 0x00, //SEQUENCE
(byte) 0x10, //VERSION
(byte) 0x02, //PUT
(byte)0x00, (byte)0x00, (byte)0x00, (byte)0x58, //SNEP LENGTH
(byte)0xD2, //NDEF FIRST BYTE
(byte)0x24, //TYPE LENGTH
(byte)0x31, //PAYLOAD LENGTH
//application/com.example.android.beam
(byte)0x61, (byte)0x70, (byte)0x70, (byte)0x6C, (byte)0x69,
(byte)0x63, (byte)0x61, (byte)0x74, (byte)0x69, (byte)0x6F,
(byte)0x6E, (byte)0x2F, (byte)0x63, (byte)0x6F, (byte)0x6D,
(byte)0x2E, (byte)0x65, (byte)0x78, (byte)0x61, (byte)0x6D,
(byte)0x70, (byte)0x6C, (byte)0x65, (byte)0x2E, (byte)0x61,
(byte)0x6E, (byte)0x64, (byte)0x72, (byte)0x6F, (byte)0x69,
(byte)0x64, (byte)0x2E, (byte)0x62, (byte)0x65, (byte)0x61,
(byte)0x6D,
//end of application/com.example.android.beam
(byte)0x42,
(byte)0x65, (byte)0x61, (byte)0x6D, (byte)0x20, //Beam
(byte)0x72,
(byte)0x65, (byte)0x63, (byte)0x65, (byte)0x69, (byte)0x76,
(byte)0x65, (byte)0x64, (byte)0x20, //received
(byte)0x66, (byte)0x72, (byte)0x6F, (byte)0x6D, (byte)0x20, //from
(byte)0x49, (byte)0x53, (byte)0x4D, (byte)0x42, (byte)0x20, //ISMB
(byte)0x53, (byte)0x4E, (byte)0x45, (byte)0x50, (byte)0x20, //SNEP
(byte)0x4C, (byte)0x49, (byte)0x42,
(byte)0x52, (byte)0x41, (byte)0x52,
(byte)0x59, (byte)0x3A, (byte)0x0A,
(byte)0x0A, //LIBRARY: /n
(byte)0x67, (byte)0x6F,
(byte)0x6F, (byte)0x64, (byte)0x20, //good
(byte)0x6C, (byte)0x75, (byte)0x63,
(byte)0x6B, (byte)0x21 //luck!
};
transceive(TG_SET_DATA, targetPayload);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
try {
//GETDATA
transceive(TG_GET_DATA, null); //RECEIVED RR
//[DEBUG] {receiving [8 bytes]} 0xD5 0x87 0x00 0x83 0x44 0x01 0x90 0x00
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
//INVIO DISC
try {
byte[] targetPayload = {
(byte) 0x11, (byte) 0x60};
transceive(TG_SET_DATA, targetPayload);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
try {
//GETDATA
transceive(TG_GET_DATA, null);
} catch (IsmbSnepException e) {e.printStackTrace();}
}
public void receivingProcedure(){
System.out.println("Called new Procedure to receive data .. TARGET MODE");
try {
byte[] targetPayload = { (byte) 0x01, (byte) 0x02,
(byte) 0x04,
(byte) 0x46,
(byte) 0x66, (byte) 0x6D, (byte) 0x01, (byte) 0x01, (byte) 0x10,
(byte) 0x03, (byte) 0x02, (byte) 0x00,
(byte) 0x01, (byte) 0x04, (byte) 0x01, (byte) 0x96
};
transceive(IN_JUMP_FOR_DEP, targetPayload);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
try {
//GETDATA
transceive(TG_GET_DATA, null);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
//WAIT FOR A Connect request
while(true){
try {
byte[] targetPayload = { (byte)0x00, (byte)0x00, };
transceive(TG_SET_DATA, targetPayload);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
try { //GETDATA
byte[]array = transceive(TG_GET_DATA, null);
System.out.println("333333333333");
if ((byte)array[1]==(byte)0xff){ //RECEIVE SOMETHING SIMILAR TO 0x11 0x20
break;
}
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
System.out.println("444444444444444");
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
}
//SEND CC - CONNECTION COMPLETE
try {
byte[] targetPayload = { (byte)0x81, (byte)0x84};
transceive(TG_SET_DATA, targetPayload);
}catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
//WAIT FOR A SNEP REQUEST
while(true){
try {
byte[] targetPayload = { (byte)0x00, (byte)0x00, };
transceive(TG_SET_DATA, targetPayload);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
try { //GETDATA
byte[]array = transceive(TG_GET_DATA, null);
if (array.length>=80){
System.out.println("Something received: \n"+ Util.byteArrayToAsciiString(array));
break;
}
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
}
//SNEP REQUEST RECEIVED
try {
byte[] targetPayload = { (byte)0x83, (byte)0x44,(byte)0x01 }; //Receive Ready
transceive(TG_SET_DATA, targetPayload);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
try { //GETDATA
byte[]array = transceive(TG_GET_DATA, null);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
try {
byte[] targetPayload = { (byte)0x83, (byte)0x04,(byte)0x01, (byte)0x10, (byte)0x81,
(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x00 //LENGTH
};
transceive(TG_SET_DATA, targetPayload);
} catch (IsmbSnepException e) {e.printStackTrace();}
//WAIT FOR RR
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
try { //GETDATA
byte[]array = transceive(TG_GET_DATA, null);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
byte[] targetPayload = { (byte)0x00, (byte)0x00, };
transceive(TG_SET_DATA, targetPayload);
} catch (IsmbSnepException e) {e.printStackTrace();}
try { //GETDATA
byte[]array = transceive(TG_GET_DATA, null);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
try {
byte[] targetPayload = { (byte)0x81, (byte)0xC4,(byte)0x00 }; //Disconnected Mode
transceive(TG_SET_DATA, targetPayload);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
try { //GETDATA
byte[]array = transceive(TG_GET_DATA, null);
} catch (IsmbSnepException e) {e.printStackTrace();}
try {
Thread.sleep(300);
} catch (InterruptedException e1) {e1.printStackTrace();}
}
}
答案 0 :(得分：0)