// $Id: PongM.nc,v 1.1 2004/06/21 20:00:49 jpolastre Exp $/* "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." */// @author Cory Sharp <cssharp@eecs.berkeley.edu>includes PongMsg;includes Timer;module PongM{  provides interface StdControl;  uses interface Timer;  uses interface SendMsg;  uses interface ReceiveMsg;  uses interface ReceiveMsg as PingMsg;  uses interface Leds;}implementation{  TOS_Msg m_msg;  TOS_MsgPtr p_msg;  PongMsg_t* pongmsg;  int m_int;  bool m_sending;  command result_t StdControl.init()  {    m_int = 0;    m_sending = FALSE;    pongmsg = (PongMsg_t*)m_msg.data;    p_msg = &m_msg;    call Leds.init();    return SUCCESS;  }  command result_t StdControl.start()  {    if (TOS_LOCAL_ADDRESS == 1) {//      call Timer.start(TIMER_REPEAT, 2000);    }    return SUCCESS;  }  command result_t StdControl.stop()  {    return SUCCESS;  }  event result_t Timer.fired()  {            call Leds.redToggle();      pongmsg->src = TOS_LOCAL_ADDRESS;      if (call SendMsg.send(TOS_BCAST_ADDR, sizeof(PongMsg_t), p_msg)) {      }    return SUCCESS;  }  event result_t SendMsg.sendDone( TOS_MsgPtr msg, result_t success )  {    return SUCCESS;  }  event TOS_MsgPtr ReceiveMsg.receive( TOS_MsgPtr msg )  {    PongMsg_t* _pongmsg;    call Leds.greenToggle();    _pongmsg = (PongMsg_t*)msg->data;    if( _pongmsg->src != TOS_LOCAL_ADDRESS )    {        pongmsg->src = _pongmsg->src;        pongmsg->src_rssi = msg->strength;        pongmsg->src_lqi = msg->lqi;	pongmsg->dest = TOS_LOCAL_ADDRESS;        call SendMsg.send(_pongmsg->src, sizeof(PongMsg_t), p_msg);    }    else {        // send to UART        call Leds.yellowToggle();        pongmsg->src = _pongmsg->src;        pongmsg->src_rssi = _pongmsg->src_rssi;        pongmsg->src_lqi = _pongmsg->src_lqi;	pongmsg->dest = _pongmsg->dest;        pongmsg->dest_rssi = msg->strength;        pongmsg->dest_lqi = msg->lqi;        call SendMsg.send(TOS_UART_ADDR, sizeof(PongMsg_t), p_msg);    }    return msg;  }  event TOS_MsgPtr PingMsg.receive( TOS_MsgPtr msg )  {    PingMsg_t* pingmsg = (PingMsg_t*)(msg->data);    if (pingmsg->src == TOS_UART_ADDR) {      call Leds.redToggle();      pongmsg->src = TOS_LOCAL_ADDRESS;      if (call SendMsg.send(TOS_BCAST_ADDR, sizeof(PongMsg_t), p_msg)) {        call Leds.greenToggle();      }    }    return msg;  }}