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/* 
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 * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU.
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 * Copyright (c) 2006 Christian Walter <wolti@sil.at>
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. The name of the author may not be used to endorse or promote products
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 *    derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 * File: $Id: mbfuncother.c,v 1.8 2006/12/07 22:10:34 wolti Exp $
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 */
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/* ----------------------- System includes ----------------------------------*/
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#include "stdlib.h"
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#include "string.h"
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/* ----------------------- Platform includes --------------------------------*/
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#include "port.h"
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/* ----------------------- Modbus includes ----------------------------------*/
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#include "mb.h"
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#include "mbframe.h"
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#include "mbproto.h"
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#include "mbconfig.h"
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#if MB_FUNC_OTHER_REP_SLAVEID_ENABLED > 0
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/* ----------------------- Static variables ---------------------------------*/
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static UCHAR    ucMBSlaveID[MB_FUNC_OTHER_REP_SLAVEID_BUF];
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static USHORT   usMBSlaveIDLen;
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/* ----------------------- Start implementation -----------------------------*/
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eMBErrorCode
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eMBSetSlaveID( UCHAR ucSlaveID, BOOL xIsRunning,
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               UCHAR const *pucAdditional, USHORT usAdditionalLen )
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{
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    eMBErrorCode    eStatus = MB_ENOERR;
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    /* the first byte and second byte in the buffer is reserved for
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     * the parameter ucSlaveID and the running flag. The rest of
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     * the buffer is available for additional data. */
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    if( usAdditionalLen + 2 < MB_FUNC_OTHER_REP_SLAVEID_BUF )
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    {
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        usMBSlaveIDLen = 0;
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        ucMBSlaveID[usMBSlaveIDLen++] = ucSlaveID;
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        ucMBSlaveID[usMBSlaveIDLen++] = ( UCHAR )( xIsRunning ? 0xFF : 0x00 );
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        if( usAdditionalLen > 0 )
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        {
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            memcpy( &ucMBSlaveID[usMBSlaveIDLen], pucAdditional,
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                    ( size_t )usAdditionalLen );
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            usMBSlaveIDLen += usAdditionalLen;
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        }
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    }
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    else
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    {
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        eStatus = MB_ENORES;
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    }
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    return eStatus;
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}
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eMBException
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eMBFuncReportSlaveID( UCHAR * pucFrame, USHORT * usLen )
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{
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    memcpy( &pucFrame[MB_PDU_DATA_OFF], &ucMBSlaveID[0], ( size_t )usMBSlaveIDLen );
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    *usLen = ( USHORT )( MB_PDU_DATA_OFF + usMBSlaveIDLen );
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    return MB_EX_NONE;
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}
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#endif