Yuji Hosogaya / Mbed 2 deprecated ModbusTCP_Modified

Modified version of ModbusTCP

Dependencies:   EthernetNetIf mbed

ModBus/mbfuncother.cpp@3:d7d7c67f21fa, 2012-03-15 (annotated)

Committer:
paleskyjp
Date:
Thu Mar 15 15:28:14 2012 +0000
Revision:
3:d7d7c67f21fa
Parent:
0:62be54b8975d 
eMBRegCoilsCB was corrected.

(Implementation of writing single coil was wrong.)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
paleskyjp 0:62be54b8975d 1 /*
paleskyjp 0:62be54b8975d 2 * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU.
paleskyjp 0:62be54b8975d 3 * Copyright (c) 2006 Christian Walter <wolti@sil.at>
paleskyjp 0:62be54b8975d 4 * All rights reserved.
paleskyjp 0:62be54b8975d 5 *
paleskyjp 0:62be54b8975d 6 * Redistribution and use in source and binary forms, with or without
paleskyjp 0:62be54b8975d 7 * modification, are permitted provided that the following conditions
paleskyjp 0:62be54b8975d 8 * are met:
paleskyjp 0:62be54b8975d 9 * 1. Redistributions of source code must retain the above copyright
paleskyjp 0:62be54b8975d 10 * notice, this list of conditions and the following disclaimer.
paleskyjp 0:62be54b8975d 11 * 2. Redistributions in binary form must reproduce the above copyright
paleskyjp 0:62be54b8975d 12 * notice, this list of conditions and the following disclaimer in the
paleskyjp 0:62be54b8975d 13 * documentation and/or other materials provided with the distribution.
paleskyjp 0:62be54b8975d 14 * 3. The name of the author may not be used to endorse or promote products
paleskyjp 0:62be54b8975d 15 * derived from this software without specific prior written permission.
paleskyjp 0:62be54b8975d 16 *
paleskyjp 0:62be54b8975d 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
paleskyjp 0:62be54b8975d 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
paleskyjp 0:62be54b8975d 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
paleskyjp 0:62be54b8975d 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
paleskyjp 0:62be54b8975d 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
paleskyjp 0:62be54b8975d 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
paleskyjp 0:62be54b8975d 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
paleskyjp 0:62be54b8975d 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
paleskyjp 0:62be54b8975d 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
paleskyjp 0:62be54b8975d 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
paleskyjp 0:62be54b8975d 27 *
paleskyjp 0:62be54b8975d 28 * File: $Id: mbfuncother.c,v 1.8 2006/12/07 22:10:34 wolti Exp $
paleskyjp 0:62be54b8975d 29 */
paleskyjp 0:62be54b8975d 30
paleskyjp 0:62be54b8975d 31 /* ----------------------- System includes ----------------------------------*/
paleskyjp 0:62be54b8975d 32 #include "stdlib.h"
paleskyjp 0:62be54b8975d 33 #include "string.h"
paleskyjp 0:62be54b8975d 34
paleskyjp 0:62be54b8975d 35 /* ----------------------- Platform includes --------------------------------*/
paleskyjp 0:62be54b8975d 36 #include "port.h"
paleskyjp 0:62be54b8975d 37
paleskyjp 0:62be54b8975d 38 /* ----------------------- Modbus includes ----------------------------------*/
paleskyjp 0:62be54b8975d 39 #include "mb.h"
paleskyjp 0:62be54b8975d 40 #include "mbframe.h"
paleskyjp 0:62be54b8975d 41 #include "mbproto.h"
paleskyjp 0:62be54b8975d 42 #include "mbconfig.h"
paleskyjp 0:62be54b8975d 43
paleskyjp 0:62be54b8975d 44 #if MB_FUNC_OTHER_REP_SLAVEID_ENABLED > 0
paleskyjp 0:62be54b8975d 45
paleskyjp 0:62be54b8975d 46 /* ----------------------- Static variables ---------------------------------*/
paleskyjp 0:62be54b8975d 47 static UCHAR ucMBSlaveID[MB_FUNC_OTHER_REP_SLAVEID_BUF];
paleskyjp 0:62be54b8975d 48 static USHORT usMBSlaveIDLen;
paleskyjp 0:62be54b8975d 49
paleskyjp 0:62be54b8975d 50 /* ----------------------- Start implementation -----------------------------*/
paleskyjp 0:62be54b8975d 51
paleskyjp 0:62be54b8975d 52 eMBErrorCode
paleskyjp 0:62be54b8975d 53 eMBSetSlaveID( UCHAR ucSlaveID, BOOL xIsRunning,
paleskyjp 0:62be54b8975d 54 UCHAR const *pucAdditional, USHORT usAdditionalLen )
paleskyjp 0:62be54b8975d 55 {
paleskyjp 0:62be54b8975d 56 eMBErrorCode eStatus = MB_ENOERR;
paleskyjp 0:62be54b8975d 57
paleskyjp 0:62be54b8975d 58 /* the first byte and second byte in the buffer is reserved for
paleskyjp 0:62be54b8975d 59 * the parameter ucSlaveID and the running flag. The rest of
paleskyjp 0:62be54b8975d 60 * the buffer is available for additional data. */
paleskyjp 0:62be54b8975d 61 if( usAdditionalLen + 2 < MB_FUNC_OTHER_REP_SLAVEID_BUF )
paleskyjp 0:62be54b8975d 62 {
paleskyjp 0:62be54b8975d 63 usMBSlaveIDLen = 0;
paleskyjp 0:62be54b8975d 64 ucMBSlaveID[usMBSlaveIDLen++] = ucSlaveID;
paleskyjp 0:62be54b8975d 65 ucMBSlaveID[usMBSlaveIDLen++] = ( UCHAR )( xIsRunning ? 0xFF : 0x00 );
paleskyjp 0:62be54b8975d 66 if( usAdditionalLen > 0 )
paleskyjp 0:62be54b8975d 67 {
paleskyjp 0:62be54b8975d 68 memcpy( &ucMBSlaveID[usMBSlaveIDLen], pucAdditional,
paleskyjp 0:62be54b8975d 69 ( size_t )usAdditionalLen );
paleskyjp 0:62be54b8975d 70 usMBSlaveIDLen += usAdditionalLen;
paleskyjp 0:62be54b8975d 71 }
paleskyjp 0:62be54b8975d 72 }
paleskyjp 0:62be54b8975d 73 else
paleskyjp 0:62be54b8975d 74 {
paleskyjp 0:62be54b8975d 75 eStatus = MB_ENORES;
paleskyjp 0:62be54b8975d 76 }
paleskyjp 0:62be54b8975d 77 return eStatus;
paleskyjp 0:62be54b8975d 78 }
paleskyjp 0:62be54b8975d 79
paleskyjp 0:62be54b8975d 80 eMBException
paleskyjp 0:62be54b8975d 81 eMBFuncReportSlaveID( UCHAR * pucFrame, USHORT * usLen )
paleskyjp 0:62be54b8975d 82 {
paleskyjp 0:62be54b8975d 83 memcpy( &pucFrame[MB_PDU_DATA_OFF], &ucMBSlaveID[0], ( size_t )usMBSlaveIDLen );
paleskyjp 0:62be54b8975d 84 *usLen = ( USHORT )( MB_PDU_DATA_OFF + usMBSlaveIDLen );
paleskyjp 0:62be54b8975d 85 return MB_EX_NONE;
paleskyjp 0:62be54b8975d 86 }
paleskyjp 0:62be54b8975d 87
paleskyjp 0:62be54b8975d 88 #endif