commandresetm.nc

传感器网络中的嵌入式操作系统源代码

// $Id: CommandResetM.nc,v 1.2.10.5 2003/08/26 09:08:14 cssharp Exp $

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/* 
 * Authors:  Wei Hong
 *           Intel Research Berkeley Lab
 * Date:     7/15/2002
 *
 */

// register command for resetting motes


/**
 * @author Wei Hong
 * @author Intel Research Berkeley Lab
 */
module CommandResetM
{
	provides interface StdControl;
	uses
	{
		interface CommandRegister as ResetCmd;
		interface Reset;
		interface Leds;
		interface Timer;
	}
}
implementation
{
  bool mReady;
 
	command result_t StdControl.init()
	{
		ParamList paramList;
		paramList.numParams = 0;
		mReady = FALSE;
		if (call ResetCmd.registerCommand("Reset", VOID, 0, &paramList) != SUCCESS)
			return FAIL;
		return SUCCESS;
	}

	command result_t StdControl.start()
	{
	  //start a timer -- don't reset if this hasn't fired yet
	  // provides a simple way to prevent neverending resets...
	  call Timer.start(TIMER_ONE_SHOT, 1024);
	  return SUCCESS;
	  
	}
	
	event result_t Timer.fired() {
	  mReady = TRUE;
	  return SUCCESS;
	}
	
	command result_t StdControl.stop()
	{
		return SUCCESS;
	}

	event result_t ResetCmd.commandFunc(char *commandName, char *resultBuf, SchemaErrorNo *errorNo, ParamVals *params)
	{
		*errorNo = SCHEMA_RESULT_READY;
		if (mReady) {
		  call Leds.redOn();
		  call Leds.greenOn();
		  call Leds.yellowOn();
		  call Reset.reset();
		}
		return SUCCESS;
	}
}