nci/src/com/android/nfc/dhimpl/NativeNfcManager.java - platform/packages/apps/Nfc - Git at Google

 /*
  * Copyright (C) 2010 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.android.nfc.dhimpl;

 import android.content.Context;
 import android.nfc.ErrorCodes;
 import android.nfc.tech.Ndef;
 import android.nfc.tech.TagTechnology;
 import android.util.Log;

 import com.android.nfc.DeviceHost;
 import com.android.nfc.LlcpException;
 import com.android.nfc.NfcDiscoveryParameters;

 import java.io.FileDescriptor;
 import java.util.Arrays;
 import java.util.Iterator;
 import java.util.HashMap;

 /**
  * Native interface to the NFC Manager functions
  */
 public class NativeNfcManager implements DeviceHost {
     private static final String TAG = "NativeNfcManager";
     static final String PREF = "NciDeviceHost";

     static final int DEFAULT_LLCP_MIU = 1980;
     static final int DEFAULT_LLCP_RWSIZE = 2;

     static final String DRIVER_NAME = "android-nci";

     static {
         System.loadLibrary("nfc_nci_jni");
     }

     /* Native structure */
     private long mNative;

     private int mIsoDepMaxTransceiveLength;
     private final DeviceHostListener mListener;
     private final Context mContext;

     private final Object mLock = new Object();
     private final HashMap<Integer, byte[]> mT3tIdentifiers = new HashMap<Integer, byte[]>();

     public NativeNfcManager(Context context, DeviceHostListener listener) {
         mListener = listener;
         initializeNativeStructure();
         mContext = context;
     }

     public native boolean initializeNativeStructure();

     private native boolean doDownload();

     public native int doGetLastError();

     @Override
     public boolean checkFirmware() {
         return doDownload();
     }

     private native boolean doInitialize();

     private native int getIsoDepMaxTransceiveLength();

     @Override
     public boolean initialize() {
         boolean ret = doInitialize();
         mIsoDepMaxTransceiveLength = getIsoDepMaxTransceiveLength();
         return ret;
     }

     private native void doEnableDtaMode();

     @Override
     public void enableDtaMode() {
         doEnableDtaMode();
     }

     private native void doDisableDtaMode();

     @Override
     public void disableDtaMode() {
         Log.d(TAG,"disableDtaMode : entry");
         doDisableDtaMode();
     }

     private native void doFactoryReset();

     @Override
     public void factoryReset() {
         doFactoryReset();
     }

     private native void doShutdown();

     @Override
     public void shutdown() {
         doShutdown();
     }

     private native boolean doDeinitialize();

     @Override
     public boolean deinitialize() {
         return doDeinitialize();
     }

     @Override
     public String getName() {
         return DRIVER_NAME;
     }

     @Override
     public native boolean sendRawFrame(byte[] data);

     @Override
     public native boolean routeAid(byte[] aid, int route, int aidInfo);

     @Override
     public native boolean unrouteAid(byte[] aid);

     @Override
     public native boolean commitRouting();

     public native int doRegisterT3tIdentifier(byte[] t3tIdentifier);

     @Override
     public void registerT3tIdentifier(byte[] t3tIdentifier) {
         synchronized (mLock) {
             int handle = doRegisterT3tIdentifier(t3tIdentifier);
             if (handle != 0xffff) {
                 mT3tIdentifiers.put(Integer.valueOf(handle), t3tIdentifier);
             }
         }
     }

     public native void doDeregisterT3tIdentifier(int handle);

     @Override
     public void deregisterT3tIdentifier(byte[] t3tIdentifier) {
         synchronized (mLock) {
             Iterator<Integer> it = mT3tIdentifiers.keySet().iterator();
             while (it.hasNext()) {
                 int handle = it.next().intValue();
                 byte[] value = mT3tIdentifiers.get(handle);
                 if (Arrays.equals(value, t3tIdentifier)) {
                     doDeregisterT3tIdentifier(handle);
                     mT3tIdentifiers.remove(handle);
                     break;
                 }
             }
         }
     }

     @Override
     public void clearT3tIdentifiersCache() {
         synchronized (mLock) {
             mT3tIdentifiers.clear();
         }
     }

     @Override
     public native int getLfT3tMax();

     @Override
     public native void doSetScreenState(int screen_state_mask);

     @Override
     public native int getNciVersion();

     private native void doEnableDiscovery(int techMask,
                                           boolean enableLowPowerPolling,
                                           boolean enableReaderMode,
                                           boolean enableHostRouting,
                                           boolean enableP2p,
                                           boolean restart);
     @Override
     public void enableDiscovery(NfcDiscoveryParameters params, boolean restart) {
         doEnableDiscovery(params.getTechMask(), params.shouldEnableLowPowerDiscovery(),
                 params.shouldEnableReaderMode(), params.shouldEnableHostRouting(),
                 params.shouldEnableP2p(), restart);
     }

     @Override
     public native void disableDiscovery();

     private native NativeLlcpConnectionlessSocket doCreateLlcpConnectionlessSocket(int nSap,
             String sn);

     @Override
     public LlcpConnectionlessSocket createLlcpConnectionlessSocket(int nSap, String sn)
             throws LlcpException {
         LlcpConnectionlessSocket socket = doCreateLlcpConnectionlessSocket(nSap, sn);
         if (socket != null) {
             return socket;
         } else {
             /* Get Error Status */
             int error = doGetLastError();

             Log.d(TAG, "failed to create llcp socket: " + ErrorCodes.asString(error));

             switch (error) {
                 case ErrorCodes.ERROR_BUFFER_TO_SMALL:
                 case ErrorCodes.ERROR_INSUFFICIENT_RESOURCES:
                     throw new LlcpException(error);
                 default:
                     throw new LlcpException(ErrorCodes.ERROR_SOCKET_CREATION);
             }
         }
     }

     private native NativeLlcpServiceSocket doCreateLlcpServiceSocket(int nSap, String sn, int miu,
             int rw, int linearBufferLength);
     @Override
     public LlcpServerSocket createLlcpServerSocket(int nSap, String sn, int miu,
             int rw, int linearBufferLength) throws LlcpException {
         LlcpServerSocket socket = doCreateLlcpServiceSocket(nSap, sn, miu, rw, linearBufferLength);
         if (socket != null) {
             return socket;
         } else {
             /* Get Error Status */
             int error = doGetLastError();

             Log.d(TAG, "failed to create llcp socket: " + ErrorCodes.asString(error));

             switch (error) {
                 case ErrorCodes.ERROR_BUFFER_TO_SMALL:
                 case ErrorCodes.ERROR_INSUFFICIENT_RESOURCES:
                     throw new LlcpException(error);
                 default:
                     throw new LlcpException(ErrorCodes.ERROR_SOCKET_CREATION);
             }
         }
     }

     private native NativeLlcpSocket doCreateLlcpSocket(int sap, int miu, int rw,
             int linearBufferLength);
     @Override
     public LlcpSocket createLlcpSocket(int sap, int miu, int rw,
             int linearBufferLength) throws LlcpException {
         LlcpSocket socket = doCreateLlcpSocket(sap, miu, rw, linearBufferLength);
         if (socket != null) {
             return socket;
         } else {
             /* Get Error Status */
             int error = doGetLastError();

             Log.d(TAG, "failed to create llcp socket: " + ErrorCodes.asString(error));

             switch (error) {
                 case ErrorCodes.ERROR_BUFFER_TO_SMALL:
                 case ErrorCodes.ERROR_INSUFFICIENT_RESOURCES:
                     throw new LlcpException(error);
                 default:
                     throw new LlcpException(ErrorCodes.ERROR_SOCKET_CREATION);
             }
         }
     }

     @Override
     public native boolean doCheckLlcp();

     @Override
     public native boolean doActivateLlcp();

     private native void doResetTimeouts();

     @Override
     public void resetTimeouts() {
         doResetTimeouts();
     }

     @Override
     public native void doAbort(String msg);

     private native boolean doSetTimeout(int tech, int timeout);
     @Override
     public boolean setTimeout(int tech, int timeout) {
         return doSetTimeout(tech, timeout);
     }

     private native int doGetTimeout(int tech);
     @Override
     public int getTimeout(int tech) {
         return doGetTimeout(tech);
     }


     @Override
     public boolean canMakeReadOnly(int ndefType) {
         return (ndefType == Ndef.TYPE_1 || ndefType == Ndef.TYPE_2);
     }

     @Override
     public int getMaxTransceiveLength(int technology) {
         switch (technology) {
             case (TagTechnology.NFC_A):
             case (TagTechnology.MIFARE_CLASSIC):
             case (TagTechnology.MIFARE_ULTRALIGHT):
                 return 253; // PN544 RF buffer = 255 bytes, subtract two for CRC
             case (TagTechnology.NFC_B):
                 /////////////////////////////////////////////////////////////////
                 // Broadcom: Since BCM2079x supports this, set NfcB max size.
                 //return 0; // PN544 does not support transceive of raw NfcB
                 return 253; // PN544 does not support transceive of raw NfcB
             case (TagTechnology.NFC_V):
                 return 253; // PN544 RF buffer = 255 bytes, subtract two for CRC
             case (TagTechnology.ISO_DEP):
                 return mIsoDepMaxTransceiveLength;
             case (TagTechnology.NFC_F):
                 return 255;
             default:
                 return 0;
         }

     }

     private native void doSetP2pInitiatorModes(int modes);
     @Override
     public void setP2pInitiatorModes(int modes) {
         doSetP2pInitiatorModes(modes);
     }

     private native void doSetP2pTargetModes(int modes);
     @Override
     public void setP2pTargetModes(int modes) {
         doSetP2pTargetModes(modes);
     }

     @Override
     public boolean getExtendedLengthApdusSupported() {
         /* 261 is the default size if extended length frames aren't supported */
         if (getMaxTransceiveLength(TagTechnology.ISO_DEP) > 261)
             return true;
         return false;
     }

     @Override
     public int getDefaultLlcpMiu() {
         return DEFAULT_LLCP_MIU;
     }

     @Override
     public int getDefaultLlcpRwSize() {
         return DEFAULT_LLCP_RWSIZE;
     }

     private native void doDump(FileDescriptor fd);
     @Override
     public void dump(FileDescriptor fd) {
         doDump(fd);
     }

     private native void doEnableScreenOffSuspend();
     @Override
     public boolean enableScreenOffSuspend() {
         doEnableScreenOffSuspend();
         return true;
     }

     private native void doDisableScreenOffSuspend();
     @Override
     public boolean disableScreenOffSuspend() {
         doDisableScreenOffSuspend();
         return true;
     }

     /**
      * Notifies Ndef Message (TODO: rename into notifyTargetDiscovered)
      */
     private void notifyNdefMessageListeners(NativeNfcTag tag) {
         mListener.onRemoteEndpointDiscovered(tag);
     }

     /**
      * Notifies P2P Device detected, to activate LLCP link
      */
     private void notifyLlcpLinkActivation(NativeP2pDevice device) {
         mListener.onLlcpLinkActivated(device);
     }

     /**
      * Notifies P2P Device detected, to activate LLCP link
      */
     private void notifyLlcpLinkDeactivated(NativeP2pDevice device) {
         mListener.onLlcpLinkDeactivated(device);
     }

     /**
      * Notifies first packet received from remote LLCP
      */
     private void notifyLlcpLinkFirstPacketReceived(NativeP2pDevice device) {
         mListener.onLlcpFirstPacketReceived(device);
     }

     private void notifyHostEmuActivated(int technology) {
         mListener.onHostCardEmulationActivated(technology);
     }

     private void notifyHostEmuData(int technology, byte[] data) {
         mListener.onHostCardEmulationData(technology, data);
     }

     private void notifyHostEmuDeactivated(int technology) {
         mListener.onHostCardEmulationDeactivated(technology);
     }

     private void notifyRfFieldActivated() {
         mListener.onRemoteFieldActivated();
     }

     private void notifyRfFieldDeactivated() {
         mListener.onRemoteFieldDeactivated();
     }

     private void notifyTransactionListeners(byte[] aid, byte[] data, String evtSrc) {
         mListener.onNfcTransactionEvent(aid, data, evtSrc);
     }
 }
	/*
	* Copyright (C) 2010 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.android.nfc.dhimpl;

	import android.content.Context;
	import android.nfc.ErrorCodes;
	import android.nfc.tech.Ndef;
	import android.nfc.tech.TagTechnology;
	import android.util.Log;

	import com.android.nfc.DeviceHost;
	import com.android.nfc.LlcpException;
	import com.android.nfc.NfcDiscoveryParameters;

	import java.io.FileDescriptor;
	import java.util.Arrays;
	import java.util.Iterator;
	import java.util.HashMap;

	/**
	* Native interface to the NFC Manager functions
	*/
	public class NativeNfcManager implements DeviceHost {
	private static final String TAG = "NativeNfcManager";
	static final String PREF = "NciDeviceHost";

	static final int DEFAULT_LLCP_MIU = 1980;
	static final int DEFAULT_LLCP_RWSIZE = 2;

	static final String DRIVER_NAME = "android-nci";

	static {
	System.loadLibrary("nfc_nci_jni");
	}

	/* Native structure */
	private long mNative;

	private int mIsoDepMaxTransceiveLength;
	private final DeviceHostListener mListener;
	private final Context mContext;

	private final Object mLock = new Object();
	private final HashMap<Integer, byte[]> mT3tIdentifiers = new HashMap<Integer, byte[]>();

	public NativeNfcManager(Context context, DeviceHostListener listener) {
	mListener = listener;
	initializeNativeStructure();
	mContext = context;
	}

	public native boolean initializeNativeStructure();

	private native boolean doDownload();

	public native int doGetLastError();

	@Override
	public boolean checkFirmware() {
	return doDownload();
	}

	private native boolean doInitialize();

	private native int getIsoDepMaxTransceiveLength();

	@Override
	public boolean initialize() {
	boolean ret = doInitialize();
	mIsoDepMaxTransceiveLength = getIsoDepMaxTransceiveLength();
	return ret;
	}

	private native void doEnableDtaMode();

	@Override
	public void enableDtaMode() {
	doEnableDtaMode();
	}

	private native void doDisableDtaMode();

	@Override
	public void disableDtaMode() {
	Log.d(TAG,"disableDtaMode : entry");
	doDisableDtaMode();
	}

	private native void doFactoryReset();

	@Override
	public void factoryReset() {
	doFactoryReset();
	}

	private native void doShutdown();

	@Override
	public void shutdown() {
	doShutdown();
	}

	private native boolean doDeinitialize();

	@Override
	public boolean deinitialize() {
	return doDeinitialize();
	}

	@Override
	public String getName() {
	return DRIVER_NAME;
	}

	@Override
	public native boolean sendRawFrame(byte[] data);

	@Override
	public native boolean routeAid(byte[] aid, int route, int aidInfo);

	@Override
	public native boolean unrouteAid(byte[] aid);

	@Override
	public native boolean commitRouting();

	public native int doRegisterT3tIdentifier(byte[] t3tIdentifier);

	@Override
	public void registerT3tIdentifier(byte[] t3tIdentifier) {
	synchronized (mLock) {
	int handle = doRegisterT3tIdentifier(t3tIdentifier);
	if (handle != 0xffff) {
	mT3tIdentifiers.put(Integer.valueOf(handle), t3tIdentifier);
	}
	}
	}

	public native void doDeregisterT3tIdentifier(int handle);

	@Override
	public void deregisterT3tIdentifier(byte[] t3tIdentifier) {
	synchronized (mLock) {
	Iterator<Integer> it = mT3tIdentifiers.keySet().iterator();
	while (it.hasNext()) {
	int handle = it.next().intValue();
	byte[] value = mT3tIdentifiers.get(handle);
	if (Arrays.equals(value, t3tIdentifier)) {
	doDeregisterT3tIdentifier(handle);
	mT3tIdentifiers.remove(handle);
	break;
	}
	}
	}
	}

	@Override
	public void clearT3tIdentifiersCache() {
	synchronized (mLock) {
	mT3tIdentifiers.clear();
	}
	}

	@Override
	public native int getLfT3tMax();

	@Override
	public native void doSetScreenState(int screen_state_mask);

	@Override
	public native int getNciVersion();

	private native void doEnableDiscovery(int techMask,
	boolean enableLowPowerPolling,
	boolean enableReaderMode,
	boolean enableHostRouting,
	boolean enableP2p,
	boolean restart);
	@Override
	public void enableDiscovery(NfcDiscoveryParameters params, boolean restart) {
	doEnableDiscovery(params.getTechMask(), params.shouldEnableLowPowerDiscovery(),
	params.shouldEnableReaderMode(), params.shouldEnableHostRouting(),
	params.shouldEnableP2p(), restart);
	}

	@Override
	public native void disableDiscovery();

	private native NativeLlcpConnectionlessSocket doCreateLlcpConnectionlessSocket(int nSap,
	String sn);

	@Override
	public LlcpConnectionlessSocket createLlcpConnectionlessSocket(int nSap, String sn)
	throws LlcpException {
	LlcpConnectionlessSocket socket = doCreateLlcpConnectionlessSocket(nSap, sn);
	if (socket != null) {
	return socket;
	} else {
	/* Get Error Status */
	int error = doGetLastError();

	Log.d(TAG, "failed to create llcp socket: " + ErrorCodes.asString(error));

	switch (error) {
	case ErrorCodes.ERROR_BUFFER_TO_SMALL:
	case ErrorCodes.ERROR_INSUFFICIENT_RESOURCES:
	throw new LlcpException(error);
	default:
	throw new LlcpException(ErrorCodes.ERROR_SOCKET_CREATION);
	}
	}
	}

	private native NativeLlcpServiceSocket doCreateLlcpServiceSocket(int nSap, String sn, int miu,
	int rw, int linearBufferLength);
	@Override
	public LlcpServerSocket createLlcpServerSocket(int nSap, String sn, int miu,
	int rw, int linearBufferLength) throws LlcpException {
	LlcpServerSocket socket = doCreateLlcpServiceSocket(nSap, sn, miu, rw, linearBufferLength);
	if (socket != null) {
	return socket;
	} else {
	/* Get Error Status */
	int error = doGetLastError();

	Log.d(TAG, "failed to create llcp socket: " + ErrorCodes.asString(error));

	switch (error) {
	case ErrorCodes.ERROR_BUFFER_TO_SMALL:
	case ErrorCodes.ERROR_INSUFFICIENT_RESOURCES:
	throw new LlcpException(error);
	default:
	throw new LlcpException(ErrorCodes.ERROR_SOCKET_CREATION);
	}
	}
	}

	private native NativeLlcpSocket doCreateLlcpSocket(int sap, int miu, int rw,
	int linearBufferLength);
	@Override
	public LlcpSocket createLlcpSocket(int sap, int miu, int rw,
	int linearBufferLength) throws LlcpException {
	LlcpSocket socket = doCreateLlcpSocket(sap, miu, rw, linearBufferLength);
	if (socket != null) {
	return socket;
	} else {
	/* Get Error Status */
	int error = doGetLastError();

	Log.d(TAG, "failed to create llcp socket: " + ErrorCodes.asString(error));

	switch (error) {
	case ErrorCodes.ERROR_BUFFER_TO_SMALL:
	case ErrorCodes.ERROR_INSUFFICIENT_RESOURCES:
	throw new LlcpException(error);
	default:
	throw new LlcpException(ErrorCodes.ERROR_SOCKET_CREATION);
	}
	}
	}

	@Override
	public native boolean doCheckLlcp();

	@Override
	public native boolean doActivateLlcp();

	private native void doResetTimeouts();

	@Override
	public void resetTimeouts() {
	doResetTimeouts();
	}

	@Override
	public native void doAbort(String msg);

	private native boolean doSetTimeout(int tech, int timeout);
	@Override
	public boolean setTimeout(int tech, int timeout) {
	return doSetTimeout(tech, timeout);
	}

	private native int doGetTimeout(int tech);
	@Override
	public int getTimeout(int tech) {
	return doGetTimeout(tech);
	}


	@Override
	public boolean canMakeReadOnly(int ndefType) {
	return (ndefType == Ndef.TYPE_1 \|\| ndefType == Ndef.TYPE_2);
	}

	@Override
	public int getMaxTransceiveLength(int technology) {
	switch (technology) {
	case (TagTechnology.NFC_A):
	case (TagTechnology.MIFARE_CLASSIC):
	case (TagTechnology.MIFARE_ULTRALIGHT):
	return 253; // PN544 RF buffer = 255 bytes, subtract two for CRC
	case (TagTechnology.NFC_B):
	/////////////////////////////////////////////////////////////////
	// Broadcom: Since BCM2079x supports this, set NfcB max size.
	//return 0; // PN544 does not support transceive of raw NfcB
	return 253; // PN544 does not support transceive of raw NfcB
	case (TagTechnology.NFC_V):
	return 253; // PN544 RF buffer = 255 bytes, subtract two for CRC
	case (TagTechnology.ISO_DEP):
	return mIsoDepMaxTransceiveLength;
	case (TagTechnology.NFC_F):
	return 255;
	default:
	return 0;
	}

	}

	private native void doSetP2pInitiatorModes(int modes);
	@Override
	public void setP2pInitiatorModes(int modes) {
	doSetP2pInitiatorModes(modes);
	}

	private native void doSetP2pTargetModes(int modes);
	@Override
	public void setP2pTargetModes(int modes) {
	doSetP2pTargetModes(modes);
	}

	@Override
	public boolean getExtendedLengthApdusSupported() {
	/* 261 is the default size if extended length frames aren't supported */
	if (getMaxTransceiveLength(TagTechnology.ISO_DEP) > 261)
	return true;
	return false;
	}

	@Override
	public int getDefaultLlcpMiu() {
	return DEFAULT_LLCP_MIU;
	}

	@Override
	public int getDefaultLlcpRwSize() {
	return DEFAULT_LLCP_RWSIZE;
	}

	private native void doDump(FileDescriptor fd);
	@Override
	public void dump(FileDescriptor fd) {
	doDump(fd);
	}

	private native void doEnableScreenOffSuspend();
	@Override
	public boolean enableScreenOffSuspend() {
	doEnableScreenOffSuspend();
	return true;
	}

	private native void doDisableScreenOffSuspend();
	@Override
	public boolean disableScreenOffSuspend() {
	doDisableScreenOffSuspend();
	return true;
	}

	/**
	* Notifies Ndef Message (TODO: rename into notifyTargetDiscovered)
	*/
	private void notifyNdefMessageListeners(NativeNfcTag tag) {
	mListener.onRemoteEndpointDiscovered(tag);
	}

	/**
	* Notifies P2P Device detected, to activate LLCP link
	*/
	private void notifyLlcpLinkActivation(NativeP2pDevice device) {
	mListener.onLlcpLinkActivated(device);
	}

	/**
	* Notifies P2P Device detected, to activate LLCP link
	*/
	private void notifyLlcpLinkDeactivated(NativeP2pDevice device) {
	mListener.onLlcpLinkDeactivated(device);
	}

	/**
	* Notifies first packet received from remote LLCP
	*/
	private void notifyLlcpLinkFirstPacketReceived(NativeP2pDevice device) {
	mListener.onLlcpFirstPacketReceived(device);
	}

	private void notifyHostEmuActivated(int technology) {
	mListener.onHostCardEmulationActivated(technology);
	}

	private void notifyHostEmuData(int technology, byte[] data) {
	mListener.onHostCardEmulationData(technology, data);
	}

	private void notifyHostEmuDeactivated(int technology) {
	mListener.onHostCardEmulationDeactivated(technology);
	}

	private void notifyRfFieldActivated() {
	mListener.onRemoteFieldActivated();
	}

	private void notifyRfFieldDeactivated() {
	mListener.onRemoteFieldDeactivated();
	}

	private void notifyTransactionListeners(byte[] aid, byte[] data, String evtSrc) {
	mListener.onNfcTransactionEvent(aid, data, evtSrc);
	}
	}