diff options
Diffstat (limited to 'nxp/src/com/android/nfc/dhimpl/NativeNfcManager.java')
-rwxr-xr-x | nxp/src/com/android/nfc/dhimpl/NativeNfcManager.java | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/nxp/src/com/android/nfc/dhimpl/NativeNfcManager.java b/nxp/src/com/android/nfc/dhimpl/NativeNfcManager.java new file mode 100755 index 0000000..f969627 --- /dev/null +++ b/nxp/src/com/android/nfc/dhimpl/NativeNfcManager.java @@ -0,0 +1,373 @@ +/* + * 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 com.android.nfc.DeviceHost; +import com.android.nfc.LlcpException; + +import android.annotation.SdkConstant; +import android.annotation.SdkConstant.SdkConstantType; +import android.content.Context; +import android.content.SharedPreferences; +import android.nfc.ErrorCodes; +import android.nfc.tech.Ndef; +import android.nfc.tech.TagTechnology; +import android.util.Log; + +import java.io.File; + +/** + * Native interface to the NFC Manager functions + */ +public class NativeNfcManager implements DeviceHost { + private static final String TAG = "NativeNfcManager"; + + private static final String NFC_CONTROLLER_FIRMWARE_FILE_NAME = "/vendor/firmware/libpn544_fw.so"; + + static final String PREF = "NxpDeviceHost"; + + private static final String PREF_FIRMWARE_MODTIME = "firmware_modtime"; + private static final long FIRMWARE_MODTIME_DEFAULT = -1; + + static { + System.loadLibrary("nfc_jni"); + } + + @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) + public static final String INTERNAL_TARGET_DESELECTED_ACTION = "com.android.nfc.action.INTERNAL_TARGET_DESELECTED"; + + /* Native structure */ + private int mNative; + + private final DeviceHostListener mListener; + private final Context mContext; + + 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 void checkFirmware() { + // Check that the NFC controller firmware is up to date. This + // ensures that firmware updates are applied in a timely fashion, + // and makes it much less likely that the user will have to wait + // for a firmware download when they enable NFC in the settings + // app. Firmware download can take some time, so this should be + // run in a separate thread. + + // check the timestamp of the firmware file + File firmwareFile; + int nbRetry = 0; + try { + firmwareFile = new File(NFC_CONTROLLER_FIRMWARE_FILE_NAME); + } catch(NullPointerException npe) { + Log.e(TAG,"path to firmware file was null"); + return; + } + + long modtime = firmwareFile.lastModified(); + + SharedPreferences prefs = mContext.getSharedPreferences(PREF, Context.MODE_PRIVATE); + long prev_fw_modtime = prefs.getLong(PREF_FIRMWARE_MODTIME, FIRMWARE_MODTIME_DEFAULT); + Log.d(TAG,"prev modtime: " + prev_fw_modtime); + Log.d(TAG,"new modtime: " + modtime); + if (prev_fw_modtime == modtime) { + return; + } + + // FW download. + while(nbRetry < 5) { + Log.d(TAG,"Perform Download"); + if(doDownload()) { + Log.d(TAG,"Download Success"); + // Now that we've finished updating the firmware, save the new modtime. + prefs.edit().putLong(PREF_FIRMWARE_MODTIME, modtime).apply(); + break; + } else { + Log.d(TAG,"Download Failed"); + nbRetry++; + } + } + } + + private native boolean doInitialize(); + + @Override + public boolean initialize() { + SharedPreferences prefs = mContext.getSharedPreferences(PREF, Context.MODE_PRIVATE); + SharedPreferences.Editor editor = prefs.edit(); + + if (prefs.getBoolean(NativeNfcSecureElement.PREF_SE_WIRED, false)) { + try { + Thread.sleep (12000); + editor.putBoolean(NativeNfcSecureElement.PREF_SE_WIRED, false); + editor.apply(); + } catch (InterruptedException e) { } + } + + return doInitialize(); + } + + private native boolean doDeinitialize(); + + @Override + public boolean deinitialize() { + SharedPreferences prefs = mContext.getSharedPreferences(PREF, Context.MODE_PRIVATE); + SharedPreferences.Editor editor = prefs.edit(); + + editor.putBoolean(NativeNfcSecureElement.PREF_SE_WIRED, false); + editor.apply(); + + return doDeinitialize(); + } + + @Override + public native void enableDiscovery(); + + @Override + public native void disableDiscovery(); + + @Override + public native int[] doGetSecureElementList(); + + @Override + public native void doSelectSecureElement(); + + @Override + public native void doDeselectSecureElement(); + + + 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(); + + 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 || + ndefType == Ndef.TYPE_MIFARE_CLASSIC); + } + + @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): + return 0; // 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): + /* The maximum length of a normal IsoDep frame consists of: + * CLA, INS, P1, P2, LC, LE + 255 payload bytes = 261 bytes + * such a frame is supported. Extended length frames however + * are not supported. + */ + return 261; // Will be automatically split in two frames on the RF layer + case (TagTechnology.NFC_F): + return 252; // PN544 RF buffer = 255 bytes, subtract one for SoD, two for CRC + 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); + } + + public boolean getExtendedLengthApdusSupported() { + // Not supported on the PN544 + return false; + } + + private native String doDump(); + @Override + public String dump() { + return doDump(); + } + + /** + * Notifies Ndef Message (TODO: rename into notifyTargetDiscovered) + */ + private void notifyNdefMessageListeners(NativeNfcTag tag) { + mListener.onRemoteEndpointDiscovered(tag); + } + + /** + * Notifies transaction + */ + private void notifyTargetDeselected() { + mListener.onCardEmulationDeselected(); + } + + /** + * Notifies transaction + */ + private void notifyTransactionListeners(byte[] aid) { + mListener.onCardEmulationAidSelected(aid); + } + + /** + * 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); + } + + private void notifySeFieldActivated() { + mListener.onRemoteFieldActivated(); + } + + private void notifySeFieldDeactivated() { + mListener.onRemoteFieldDeactivated(); + } + + private void notifySeApduReceived(byte[] apdu) { + mListener.onSeApduReceived(apdu); + } + + private void notifySeEmvCardRemoval() { + mListener.onSeEmvCardRemoval(); + } + + private void notifySeMifareAccess(byte[] block) { + mListener.onSeMifareAccess(block); + } +} |