attrpotm.nc

传感器网络中的嵌入式操作系统源代码

// $Id: AttrPotM.nc,v 1.2.4.5 2003/08/26 09:08:13 cssharp Exp $

/*									tab:4
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 * All rights reserved.
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/* 
 * Authors:  Wei Hong
 *           Intel Research Berkeley Lab
 * Date:     7/1/2002
 *
 */
// component to expose Pot setting as an attribute


/**
 * @author Wei Hong
 * @author Intel Research Berkeley Lab
 */
module AttrPotM
{
	provides interface StdControl;
	uses 
	{
		interface Pot;
		interface AttrRegister;
	}
}
implementation
{
	char *result;
	char *attrName;

	command result_t StdControl.init()
	{
		if (call AttrRegister.registerAttr("pot", UINT8, 1) != SUCCESS)
			return FAIL;
		return SUCCESS;
	}

	command result_t StdControl.start()
	{
		return SUCCESS;
	}

	command result_t StdControl.stop()
	{
		return SUCCESS;
	}

	event result_t AttrRegister.startAttr()
	{
		return call AttrRegister.startAttrDone();
	}

	event result_t AttrRegister.getAttr(char *name, char *resultBuf, SchemaErrorNo *errorNo)
	{
		*(uint8_t*)resultBuf = call Pot.get();
		*errorNo = SCHEMA_RESULT_READY;
		return SUCCESS;
	}

	event result_t AttrRegister.setAttr(char *name, char *attrVal)
	{
		return call Pot.set(*(uint8_t*)attrVal);
	}
}