testamservicec.nc

tinyos2.0版本驱动

// $Id: TestAMServiceC.nc,v 1.4 2006/12/12 18:22:49 vlahan Exp $

/*									tab:4
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/**
 *  Implementation of the OSKI TestAMService application.
 *
 *  @author Philip Levis
 *  @date   May 24 2005
 *
 **/

#include "Timer.h"

module TestAMServiceC {
  uses {
    interface Leds;
    interface Boot;
    interface Receive;
    interface AMSend;
    interface Timer<TMilli> as MilliTimer;
    interface Service;
    //interface ServiceNotify;
  }
}
implementation {

  message_t packet;

  bool locked;
  uint8_t counter = 0;
  
  event void Boot.booted() {
    call Service.start();
    call MilliTimer.startPeriodic(1000);
  }
  
  event void MilliTimer.fired() {
    counter++;
    if (locked) {
      return;
     }
    else if (call AMSend.send(AM_BROADCAST_ADDR, &packet, 0) == SUCCESS) {
      call Leds.led0On();
      locked = TRUE;
    }
  }

  event message_t* Receive.receive(message_t* bufPtr, 
				   void* payload, uint8_t len) {
    call Leds.led1Toggle();
    return bufPtr;
  }

  event void AMSend.sendDone(message_t* bufPtr, error_t error) {
    if (&packet == bufPtr) {
      locked = FALSE;
      call Leds.led0Off();
    }
  }

}