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/* 
 * Author: Jason Hill
 */

//==========================================================================
//===   hardware_check.java   ==============================================

//package ;

import java.util.*;
import java.io.*;
import javax.comm.*;
import net.tinyos.util.*;
import net.tinyos.message.*;

public class hardware_check
implements MessageListener {

    MoteIF moteif;
    int rxTestValue;

    public hardware_check(String portName, int groupId) {
	SerialPortStub serial = new SerialPortStub(portName);
	try {
	    moteif = new MoteIF(serial, groupId);
	}
	catch (PortInUseException e) {
	    System.err.println("Port " + portName + " is in use.");
	    System.exit(2);
	}
	catch (Exception e) {
	    System.out.println("Failed to open port " + portName);
	    serial.printAllPorts();
	    System.exit(2);
	}
    }

    public void run() {
	RxTestMsg rmsg = new RxTestMsg();
	rxTestValue = (int)(Math.random() * 65536);
	rmsg.set_value(rxTestValue);

	moteif.registerListener(new DiagMsg(), this);
	moteif.start();

	int val = 0;
	int rxTime = 10;

	for (;;) {
	    try {
		moteif.send(MoteIF.TOS_BCAST_ADDR, rmsg);

		rxTime--;
		if(rxTime == 0) {
		    System.out.println("Node transmission failure");
		    System.exit(0);
		}

		Thread.sleep(2000);
	    }
	    catch(Exception e) {
		e.printStackTrace();
	    }
	}
    }

    public void messageReceived(int to, Message m) {
	DiagMsg msg = (DiagMsg)m;

	if (msg.get_SPIFix() != 0x5) {
	    System.out.println("SPI rework failed");
	    System.exit(0);
	}

	short f0 = msg.getElement_flashCheck(0);
	short f1 = msg.getElement_flashCheck(1);
	short f2 = msg.getElement_flashCheck(2);
	if (f0 != 0x1 || f1 != 0x8f || f2 != 0x9) {
	    System.out.print("4Mbit flash check failed ");
	    System.out.print(f0 + " ");
	    System.out.print(f1 + " ");
	    System.out.println(f2 + " ");
	    System.exit(0);
	}
	
	if (msg.get_rxTest() == rxTestValue) {
	    System.out.println("Hardware verification successful.");

	    System.out.print("Node Serial ID: ");
	    for(int i = 0; i < 8; i ++){
		short idb = msg.getElement_serialId(i);
		System.out.print(Integer.toHexString(idb) + " ");
	    }
	    System.out.println();

	    System.exit(0);
	}	
    }

    public static void main(String args[]) {
	if (args.length < 1 || args.length > 2) {
	    System.err.println("Usage: java hardware_check port-name [group-id]");
	    System.exit(2);
	}

	int groupId = 0x7d;
	if (args.length == 2) {
	    try {
		groupId = Integer.decode(args[1]).intValue();
		if (groupId < 0 || groupId > 255)
		    throw new Exception();
	    }
	    catch (Exception e) {
		System.err.println("Invalid group id " + args[1]);
	    }
	}

	System.out.println("\nHardware check started");
	hardware_check reader = new hardware_check(args[0], groupId);
  
	try {
	    reader.run();
	}
	catch (Exception e) {
	    e.printStackTrace();
	}
    }

}