pev_cm_mnbc_sound.c
Author: cmaier@cmassoc.net

    /*====================================================================*
     *
     *   Copyright (c) 2013 Qualcomm Atheros, Inc.
     *
     *   All rights reserved.
     *
     *   Redistribution and use in source and binary forms, with or
     *   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.
     *
     *   NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
     *   GRANTED BY THIS LICENSE. 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.
     *
     *--------------------------------------------------------------------*/

    /*====================================================================*
     *
     *   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 "../iso15118/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

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