gistfile1.java

package com.brauto.automacao.device.usb;

import android.app.Service;
import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;
import android.util.Log;

import com.brauto.automacao.MyApp;
import com.googlecode.androidannotations.annotations.EService;
import com.physicaloid.lib.Physicaloid;
import com.physicaloid.lib.usb.driver.uart.ReadLisener;

@EService
public class USBDeviceService extends Service {
	
	private static final String TAG = USBDeviceService.class.getSimpleName();
	
	private Physicaloid mPhysicaloid;
	
	@Override
	public IBinder onBind(Intent intent) {
		return null;
	}
	
	@Override
	public void onCreate() {
		super.onCreate();
		
		openDevice();
		
		((MyApp) getApplication()).setUsbDeviceService(this);
	}
	
	private void openDevice() {
		mPhysicaloid = new Physicaloid(this);
		
        if (!mPhysicaloid.isOpened()) {
            if (mPhysicaloid.open()) { // default 9600bps

                mPhysicaloid.addReadListener(new ReadListener());
                
                new Handler().postDelayed(new Runnable() {
					@Override
					public void run() {
						write(new byte[] { 'H', 'e', 'l', 'l', 'o', '$' });
					}
				}, 5000);
            }
        }
    }
	
	private final class ReadListener implements ReadLisener {
		StringBuffer buffer;

		// callback when reading one or more size buffer
		@Override
		public synchronized void onRead(int size) {
		    byte[] buf = new byte[size];
		    mPhysicaloid.read(buf, size);
		    
		    for (byte b : buf) {
		    	
		    	if (b == '#') 
		    	{
		    		buffer = new StringBuffer();
		    	}
		    	else if (b == '$')
		    	{
		    		Log.i(TAG, "MSG: " + buffer.toString());
		    		buffer = null;
		    	}
		    	else
		    	{
		    		if (buffer == null)
		    		{
		    			Log.i(TAG, "Ignorando, mensagem nao comecou..." + (char) b);
		    			continue;
		    		}
		    		
		    		buffer.append((char) b);
		    	}
		    }
		}
	}
	
	public void write(byte[] buf)
	{
		mPhysicaloid.write(buf);
	}
}