testdevicereceiverc.nc

tinyos-2.x.rar

/* 
 * Copyright (c) 2008, Technische Universitaet Berlin
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - Neither the name of the Technische Universitaet Berlin nor the names
 *   of its contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * - Revision -------------------------------------------------------------
 * $Revision: 1.1 $
 * $Date: 2009/05/18 16:21:55 $
 * @author: Jan Hauer <[e-mail]>
 * ========================================================================
 */
#include "TKN154.h"
#include "app_profile.h"
module TestDeviceReceiverC
{
  uses {
    interface Boot;
    interface MCPS_DATA;
    interface MLME_RESET;
    interface MLME_SET;
    interface MLME_GET;
    interface MLME_SCAN;
    interface MLME_SYNC;
    interface MLME_BEACON_NOTIFY;
    interface MLME_SYNC_LOSS;
    interface IEEE154BeaconFrame as BeaconFrame;
    interface Leds;
  }
} implementation {

  ieee154_address_t m_coordAddress;
  uint8_t m_coordAddressMode;
  ieee154_macPANId_t m_coordPANID;
  ieee154_PANDescriptor_t m_PANDescriptor;
  bool m_isPANDescriptorValid;
  void startApp();

  event void Boot.booted() {
    call MLME_RESET.request(TRUE);
  }
  
  event void MLME_RESET.confirm(ieee154_status_t status)
  {
    if (status == IEEE154_SUCCESS)
      startApp();
  }

  void startApp()
  {
    ieee154_phyChannelsSupported_t channel;
    uint8_t scanDuration = BEACON_ORDER;

    // in this application the coordinator assumes that 
    // the device has a certain short address    
    call MLME_SET.macShortAddress(DEVICE_ADDRESS);
    channel = ((uint32_t) 1) << RADIO_CHANNEL;

    // we want all received beacons to be signalled 
    // through the MLME_BEACON_NOTIFY interface, i.e.
    // we set the macAutoRequest attribute to FALSE
    call MLME_SET.macAutoRequest(FALSE);
    call MLME_SCAN.request  (
                           PASSIVE_SCAN,           // ScanType
                           channel,                // ScanChannels
                           scanDuration,           // ScanDuration
                           0x00,                   // ChannelPage
                           0,                      // EnergyDetectListNumEntries
                           NULL,                   // EnergyDetectList
                           0,                      // PANDescriptorListNumEntries
                           NULL,                   // PANDescriptorList
                           0                       // security
                        );
  }

  event message_t* MLME_BEACON_NOTIFY.indication (message_t* frame)
  {
    // received a beacon frame during SCAN
    ieee154_phyCurrentPage_t page = call MLME_GET.phyCurrentPage();
    ieee154_macBSN_t beaconSequenceNumber = call BeaconFrame.getBSN(frame);

    if (beaconSequenceNumber & 1)
      call Leds.led2On();
    else
      call Leds.led2Off();   

    if (!m_isPANDescriptorValid && call BeaconFrame.parsePANDescriptor(
          frame, RADIO_CHANNEL, page, &m_PANDescriptor) == SUCCESS){
      // let's see if the beacon is from our coordinator...
      if (m_PANDescriptor.CoordAddrMode == ADDR_MODE_SHORT_ADDRESS &&
          m_PANDescriptor.CoordPANId == PAN_ID &&
          m_PANDescriptor.CoordAddress.shortAddress == COORDINATOR_ADDRESS){
        // wait until SCAN is finished, then syncronize to beacons
        m_isPANDescriptorValid = TRUE;
      }
    }
    return frame;
  }

  event void MLME_SCAN.confirm    (
                          ieee154_status_t status,
                          uint8_t ScanType,
                          uint8_t ChannelPage,
                          uint32_t UnscannedChannels,
                          uint8_t EnergyDetectListNumEntries,
                          int8_t* EnergyDetectList,
                          uint8_t PANDescriptorListNumEntries,
                          ieee154_PANDescriptor_t* PANDescriptorList
                        )
  {
    if (m_isPANDescriptorValid){
      // set the macAutoRequest attribute to TRUE, so indirect
      // transmissions are automatically carried through
      call MLME_SET.macAutoRequest(TRUE);
      call MLME_SET.macCoordShortAddress(m_PANDescriptor.CoordAddress.shortAddress);
      call MLME_SET.macPANId(m_PANDescriptor.CoordPANId);
      call MLME_SYNC.request(m_PANDescriptor.LogicalChannel, m_PANDescriptor.ChannelPage, TRUE);
    } else
      startApp();
  }

  event void MCPS_DATA.confirm(
                          message_t *msg,
                          uint8_t msduHandle,
                          ieee154_status_t status,
                          uint32_t Timestamp
                        )
  {
  }

  event void MLME_SYNC_LOSS.indication(
                          ieee154_status_t lossReason,
                          uint16_t PANId,
                          uint8_t LogicalChannel,
                          uint8_t ChannelPage,
                          ieee154_security_t *security)
  {
    call Leds.led1Off();
    startApp();
  }

  event message_t* MCPS_DATA.indication (message_t* frame)
  {
    call Leds.led1Toggle();
    return frame;
  }
}