文件名称:android 串口驱动
文件大小:88KB
文件格式:RAR
更新时间:2014-03-04 07:57:56
串口驱动
android 串口驱动源代码 package android.serialport; 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) 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 777 " + device.getAbsolutePath() + "\n" + "exit\n";*/ String cmd = "chmod 777 /dev/s3c_serial0" + "\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); 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); public native void close(); static { System.loadLibrary("serial_port"); } }
【文件预览】:
SerialPort
----bin()
--------classes.dex(19KB)
--------android()
--------.project(844B)
--------resources.ap_(12KB)
--------MainMenu.apk(25KB)
----res()
--------drawable-ldpi()
--------drawable-hdpi()
--------drawable()
--------values()
--------drawable-mdpi()
--------layout()
--------xml()
----assets()
----default.properties(364B)
----gen()
--------android()
----jni()
--------SerialPort.c(4KB)
--------Android.mk(786B)
----src()
--------android()
----.project(844B)
----.classpath(280B)
----AndroidManifest.xml(790B)
----libs()
--------armeabi()
--------ConsoleActivity.java(2KB)