/**
 * Copyright 2016-2019
 * 
 * Bernd-Christian Renner, and
 * Hamburg University of Technology (TUHH).
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * 
 * 2. 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.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * 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
 * HOLDER 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.
 */

#include "aci.h"
#include "aci/types/transducer_cmd.h"
#include "aci/types/transducer_rsp.h"
#include "aci_transducer.h"

#include <freqsetup.h>


/**************************************************************************
 * private prototypes
 */



/**************************************************************************
 * private functions
 */



/**************************************************************************
 * public functions
 */

bool
aci_transducer_processCmd(const mm_packet_t * pkt)
{
  // optional action, always return current state
  if (pkt->header.len == sizeof(aci_transducer_cmd_t)) {
    freq_setTransducer(((aci_transducer_cmd_t *)pkt->payload)->type);
  }
  return true;
}



uint8_t
aci_transducer_fillReply(uint8_t * payload)
{
  aci_transducer_rsp_t  * s = (aci_transducer_rsp_t *)payload;

  s->type = freq_getTransducer();
  strncpy(s->descr, freq_getTransducerDescr(), MM_PAYLOAD_MAXLEN - sizeof(aci_transducer_rsp_t));
  
  return strlen(s->descr) + offsetof(aci_transducer_rsp_t, descr);  // all but variable part
}



/* eof */