unity Android 串口通讯完整项目实例
package com.unity.sp;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;
import com.unity3d.player.UnityPlayer;
import com.unity3d.player.UnityPlayerActivity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.PowerManager;
import android_serialport_api.ComPort;
//import android.serialport.sample.R;
public class MyserialActivity extends UnityPlayerActivity {
public static ComPort mComPort;
public static ComPort mComPort3;
private static final int Port = 5281;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Intent intent = new Intent();
intent.setAction("android.intent.action.HIDE_NAVIGATION_BAR");
MyserialActivity.this.sendBroadcast(intent);
}
public void OpenttyS1()
{
if(mComPort == null)
{
mComPort = new ComPort();
}
mComPort.Start("ttyS1");
}
public void OpenttyS3()
{
if(mComPort3 == null)
{
mComPort3 = new ComPort();
}
mComPort3.Start("ttyS3");
}
public static String bytes2HexString(byte[] b, int len) {
String ret = "";
for (int i = 0; i < len; i++) {
String hex = Integer.toHexString(b[ i ] & 0xFF);
if (hex.length() == 1) {
hex = '0' + hex;
}
ret += hex.toUpperCase();
}
return ret;
}
public static byte uniteBytes(byte src0, byte src1) {
byte _b0 = Byte.decode("0x" + new String(new byte[]{src0})).byteValue();
_b0 = (byte)(_b0 << 4);
byte _b1 = Byte.decode("0x" + new String(new byte[]{src1})).byteValue();
byte ret = (byte)(_b0 ^ _b1);
return ret;
}
public void ttyS1Send(byte[] data,int length)
{
mComPort.SendData(data, length);
}
public void ttyS3Send(byte[] data,int length)
{
mComPort3.SendData(data, length);
}
public void RestartSystem()
{
new ServerThread().start();
}
class ServerThread extends Thread {
ServerSocket serversocket = null;
@Override
public void run()
{
super.run();
try {
serversocket = new ServerSocket(Port);
Socket socket = serversocket.accept();
while (true) {
// OutputStream ou = socket.getOutputStream();
DataOutputStream wirter = new DataOutputStream(socket.getOutputStream());
BufferedReader buffer = new BufferedReader(
new InputStreamReader(socket.getInputStream()));
wirter.writeBytes("reboot\n");
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
serversocket.close();
} catch (IOException e) {[mw_shl_code=java,true]/*
* Copyright 2009 Cedric Priscal
*
* 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 android_serialport_api;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.charset.Charset;
import java.nio.charset.UnsupportedCharsetException;
import java.security.InvalidParameterException;
import com.unity3d.player.UnityPlayer;
import android.R.string;
import android.util.Log;
import android_serialport_api.SerialPort;
public class ComPort {
protected SerialPort mSerialPort;
protected OutputStream mOutputStream;
private InputStream mInputStream;
private ReadThread mReadThread;
private String unityFunction="";
private static StringBuffer SendBuffer=null;
private class ReadThread extends Thread {
@Override
public void run() {
super.run();
while(!isInterrupted()) {
int size=0;
try {
byte[] buffer = new byte[64];
for(int k=0;k<64;k++)
buffer[k]=0;
if (mInputStream == null) return;
size = mInputStream.read(buffer);
if (size > 0) {
onDataReceived(buffer, size);
}
} catch (IOException e) {
e.printStackTrace();
return;
}
}
}
}
public ComPort()
{
SendBuffer=new StringBuffer();
}
private void DisplayError(String reason) {
/*AlertDialog.Builder b = new AlertDialog.Builder(this);
b.setTitle("Error");
b.setMessage(resourceId);
b.setPositiveButton("OK", new OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
SerialPortActivity.this.finish();
}
});
b.show();*/
Destroy();
Log.e("openserialport",reason);
}
public void Start(String pname) {
//UnityPlayer.UnitySendMessage("SerialPort","ReviceData_s1", "尝试绑定串口");
int baudrateSpeed;
if(pname.equals("ttyS1"))
{
unityFunction="ReviceData_s1";
baudrateSpeed=115200;
}else
{
unityFunction="ReviceData_s3";
baudrateSpeed=57600;
}
try {
if (mSerialPort == null) {
//mSerialPort = new SerialPort(new File("/dev/ttyS2"), 115200, 0);
mSerialPort = new SerialPort(new File("/dev/"+pname), baudrateSpeed, 0);
UnityPlayer.UnitySendMessage("SerialPort","ReviceData_s1", "串口绑定成功");
}
mOutputStream = mSerialPort.getOutputStream();
mInputStream = mSerialPort.getInputStream();
/* Create a receiving thread */
if(baudrateSpeed==115200)
{
mReadThread = new ReadThread();
mReadThread.start();
}
} catch (SecurityException e) {
UnityPlayer.UnitySendMessage("SerialPort","ReviceData_s1", "串口绑定失败1");
DisplayError("error_security");
} catch (IOException e) {
UnityPlayer.UnitySendMessage("SerialPort","ReviceData_s1", "串口绑定失败2");
DisplayError("error_unknown");
} catch (InvalidParameterException e) {
UnityPlayer.UnitySendMessage("SerialPort","ReviceData_s1", "串口绑定失败3");
DisplayError("error_configuration");
}
UnityPlayer.UnitySendMessage("SerialPort","ReviceData_s1", "获取攒口读写接口 "+pname);
}
//protected abstract void onDataReceived(final byte[] buffer, final int size);
private static Charset getDefaultCharset() {
String encoding = System.getProperty("file.encoding", "UTF-8");
try {
return Charset.forName(encoding);
} catch (UnsupportedCharsetException e) {
return Charset.forName("UTF-8");
}
}
public void SendData(byte[] buffer, int size)
{
try {
if (mOutputStream != null) {
mOutputStream.write(buffer,0, size);
} else {
return;
}
//} catch (IOException e) {
} catch (Exception e) {
//UnityPlayer.UnitySendMessage("SerialPort","ReviceData_s1", "串口java发送失败3");
//e.printStackTrace();
return;
}
}
public static String bytes2HexString(byte[] b, int len) {
String ret = "";
for (int i = 0; i < len; i++) {
String hex = Integer.toHexString(b[ i ] & 0xFF);
if (hex.length() == 1) {
hex = '0' + hex;
}
ret += hex.toUpperCase();
}
return ret;
}
public static String bytes2HexString2(byte[] b, int len) {
SendBuffer.delete(0, SendBuffer.length());
for (int i = 0; i < len; i++) {
String hex = Integer.toHexString(b[ i ] & 0xFF);
if (hex.length() == 1) {
hex = '0' + hex;
}
SendBuffer.append( hex.toUpperCase());
}
return SendBuffer.toString();
}
protected void onDataReceived(byte[] buffer, int size) {
// ignore incoming data
//try {
if (mOutputStream != null) {
String sss= bytes2HexString2(buffer, size);
UnityPlayer.UnitySendMessage("SerialPort",unityFunction,sss);
}
//mOutputStream.write(buffer,0, size);
//UnityPlayer.UnitySendMessage("Main Camera","java_messgae","hi unity.this is java com msg.");
} //else {
// return;
// }
//} catch (IOException e) {
// e.printStackTrace();
// return;
//}
//mOutputStream.write(buffer);
public void Destroy() {
if (mReadThread != null)
mReadThread.interrupt();
if (mSerialPort != null) {
mSerialPort.close();
mSerialPort = null;
}
}
}/*
* Copyright 2009 Cedric Priscal
*
* 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 android_serialport_api;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import android.util.Log;
public class SerialPort {
private static final String TAG = "SerialPort";
/*
* Do not remove or rename the field mFd: it is used by native method close();
*/
private FileDescriptor mFd;
private FileInputStream mFileInputStream;
private FileOutputStream mFileOutputStream;
public SerialPort(File device, int baudrate, int flags) throws SecurityException, IOException {
/* Check access permission */
if (!device.canRead() || !device.canWrite()) {
try {
/* Missing read/write permission, trying to chmod the file */
Process su;
su = Runtime.getRuntime().exec("/system/bin/su");
String cmd = "chmod 666 " + device.getAbsolutePath() + "\n"
+ "exit\n";
su.getOutputStream().write(cmd.getBytes());
if ((su.waitFor() != 0) || !device.canRead()
|| !device.canWrite()) {
throw new SecurityException();
}
} catch (Exception e) {
e.printStackTrace();
throw new SecurityException();
}
}
mFd = open(device.getAbsolutePath(), baudrate, flags,8);
if (mFd == null) {
Log.e(TAG, "native open returns null");
throw new IOException();
}
mFileInputStream = new FileInputStream(mFd);
mFileOutputStream = new FileOutputStream(mFd);
}
// Getters and setters
public InputStream getInputStream() {
return mFileInputStream;
}
public OutputStream getOutputStream() {
return mFileOutputStream;
}
// JNI
private native static FileDescriptor open(String path, int baudrate, int flags,int min_byte);
public native void close();
static {
System.loadLibrary("serial_port");
}
}/*
* Copyright 2009 Cedric Priscal
*
* 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 android_serialport_api;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import android.util.Log;
public class SerialPort {
private static final String TAG = "SerialPort";
/*
* Do not remove or rename the field mFd: it is used by native method close();
*/
private FileDescriptor mFd;
private FileInputStream mFileInputStream;
private FileOutputStream mFileOutputStream;
public SerialPort(File device, int baudrate, int flags) throws SecurityException, IOException {
/* Check access permission */
if (!device.canRead() || !device.canWrite()) {
try {
/* Missing read/write permission, trying to chmod the file */
Process su;
su = Runtime.getRuntime().exec("/system/bin/su");
String cmd = "chmod 666 " + device.getAbsolutePath() + "\n"
+ "exit\n";
su.getOutputStream().write(cmd.getBytes());[attach]150981[/attach][attach]150981[/attach]
if ((su.waitFor() != 0) || !device.canRead()
|| !device.canWrite()) {
throw new SecurityException();
}
} catch (Exception e) {
e.printStackTrace();
throw new SecurityException();
}
}
mFd = open(device.getAbsolutePath(), baudrate, flags,8);
if (mFd == null) {
Log.e(TAG, "native open returns null");
throw new IOException();
}
mFileInputStream = new FileInputStream(mFd);
mFileOutputStream = new FileOutputStream(mFd);
}
// Getters and setters
public InputStream getInputStream() {
return mFileInputStream;
}
public OutputStream getOutputStream() {
return mFileOutputStream;
}
// JNI
private native static FileDescriptor open(String path, int baudrate, int flags,int min_byte);
public native void close();
static {
System.loadLibrary("serial_port");
}
}http://www.manew.com/thread-110837-1-1.html