csu3_am335x/EVSE/GPL/open-plc-utils-0.3/slac/pev_cm_mnbc_sound.c

/*====================================================================*
 *
 *   Copyright (c) 2013 Qualcomm Atheros, Inc.
 *
 *   All rights reserved.
 *
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 *   without modification, are permitted (subject to the limitations
 *   in the disclaimer below) 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 Qualcomm Atheros nor the names of
 *     its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written
 *     permission.
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 *   GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE
 *   COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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 *--------------------------------------------------------------------*/

/*====================================================================*
 *
 *   signed pev_cm_mnbc_sound (struct session * session, struct channel * channel, struct message * message);
 *
 *   slac.h
 *
 *   As HLE-PEV send cm_mnbc_sound indications unicast to the
 *   MSOUND_TARGET address recorded in the session variable;
 *
 *   a brief delay of a few milliseconds is needed between msounds
 *   so that EVSE-PLC has time to forward CM_MNBC_SOUND.IND and
 *   CM_ATTEN_PROFILE.IND to EVSE-HLE; session.timer controls this
 *   delay;
 *
 *--------------------------------------------------------------------*/

#ifndef PEV_CM_MNBC_SOUND_SOURCE
#define PEV_CM_MNBC_SOUND_SOURCE

#include <string.h>
#include <errno.h>

#include "../ether/channel.h"
#include "../tools/memory.h"
#include "../tools/error.h"
#include "../tools/timer.h"
#include "../slac/slac.h"

signed pev_cm_mnbc_sound (struct session * session, struct channel * channel, struct message * message)

{
	struct cm_mnbc_sound_indicate * indicate = (struct cm_mnbc_sound_indicate *) (message);
	signed sound = session->NUM_SOUNDS;
	while (sound--)
	{
		slac_debug (session, 0, __func__, "--> CM_MNBC_SOUND.IND");
		memset (message, 0, sizeof (* message));
		EthernetHeader (& indicate->ethernet, session->MSOUND_TARGET, channel->host, channel->type);
		HomePlugHeader1 (& indicate->homeplug, HOMEPLUG_MMV, (CM_MNBC_SOUND | MMTYPE_IND));
		indicate->APPLICATION_TYPE = session->APPLICATION_TYPE;
		indicate->SECURITY_TYPE = session->SECURITY_TYPE;
		memcpy (indicate->MSVarField.SenderID, session->PEV_ID, sizeof (indicate->MSVarField.SenderID));
		indicate->MSVarField.CNT = sound;
		memcpy (indicate->MSVarField.RunID, session->RunID, sizeof (indicate->MSVarField.RunID));
		memset (indicate->MSVarField.RND, 0, sizeof (indicate->MSVarField.RND));
		if (sendmessage (channel, message, sizeof (* indicate)) <= 0)
		{
			return (slac_debug (session, 1, __func__, CHANNEL_CANTSEND));
		}
		SLEEP (session->pause);
	}
	return (0);
}

#endif