// $Id: Counter.nc,v 1.1.2.4 2003/08/26 09:08:14 cssharp Exp $

/*									tab:4
 * "Copyright (c) 2000-2003 The Regents of the University  of California.  
 * All rights reserved.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose, without fee, and without written agreement is
 * hereby granted, provided that the above copyright notice, the following
 * two paragraphs and the author appear in all copies of this software.
 * 
 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
 * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
 * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
 *
 * Copyright (c) 2002-2003 Intel Corporation
 * All rights reserved.
 *
 * This file is distributed under the terms in the attached INTEL-LICENSE     
 * file. If you do not find these files, copies can be found by writing to
 * Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300, Berkeley, CA, 
 * 94704.  Attention:  Intel License Inquiry.
 */
/*
 * Authors:		Jason Hill, David Gay, Philip Levis
 * Date last modified:  6/25/02
 *
 */

/**
 * @author Jason Hill
 * @author David Gay
 * @author Philip Levis
 */

includes IntMsg;
module Counter {
  provides {
    interface StdControl;
  }
  uses {
    interface Timer as Timer1;
    interface Timer as Timer2;
    interface Timer as Timer3;
    interface Timer as Timer4;
    interface StrOutput;
    interface Leds;
    interface dataGPS;
    interface ReceiveMsg;
    interface StdControl as CommControl;
    interface Random;
  }
}

implementation {
  
  char* gps_data[10];
  uint8_t i,cdata;
  command result_t StdControl.init()
  {
    i=0;
    cdata=0;
    call Leds.init();
    call Leds.redOff();
    call Leds.yellowOff();
    call Leds.greenOff();
    return SUCCESS;
  }

  command result_t StdControl.start()
  {
    return call Timer2.start(TIMER_REPEAT, 2000);
  }

  command result_t StdControl.stop()
  {
    return call Timer3.stop() & call Timer2.stop();
  }

  event result_t Timer1.fired()
  {    
    //dbg(DBG_TEMP, "Counter: Value is %i\n", i);
    call Leds.redToggle();  
    call StrOutput.output(gps_data[i]);
    if(i==9){
        call Leds.greenOn();
        call Timer1.stop();
        call Timer3.start(TIMER_ONE_SHOT, 100);
        //cdata = 0;
        i = 0;
    }
    else
    	i++;
    return SUCCESS;  
  }

  event result_t Timer2.fired()
  { 
  	call Leds.yellowOn();
  	call Timer3.start(TIMER_ONE_SHOT, 100);
  	
  	return call dataGPS.getData();
  }
  
  event result_t Timer3.fired()
    {     	
	call Leds.yellowOff();
    	call Leds.greenOff();
    	return SUCCESS;
  }
  
  
    event result_t Timer4.fired()
      {     	
  	call Timer1.start(TIMER_REPEAT, 100);
      	return SUCCESS;
  }
        

  event result_t StrOutput.outputComplete(result_t success) 
  {
    if(success == FAIL) {
    	i--;
    	return FAIL;
    	}
    return SUCCESS;
  }
  
  event result_t dataGPS.dataReady(char *data){
  	dbg(DBG_TEMP, "from GPS: %s\n", data);
  	atomic{
  	gps_data[cdata]=data;
  	}
  	if(cdata==9){
  		cdata=0;
  		return SUCCESS;
  		}
  	else{
  		cdata++;
  		return SUCCESS;
  	}
  }
  
  event TOS_MsgPtr ReceiveMsg.receive(TOS_MsgPtr m) {
      uint16_t randomtimer;
      IntMsg* message = (IntMsg *)m->data;
      randomtimer = (call Random.rand() & 0xfff) + 1;
      call Timer4.start(TIMER_ONE_SHOT, randomtimer);
      return m;
  }
}