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Port of the FreeModbus Libary for mbed

mbfuncother.cpp@0:0453a0a7e500, 2010-04-15 (annotated)

Committer:: cam
Date:: Thu Apr 15 12:10:34 2010 +0000
Revision:: 0:0453a0a7e500

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User	Revision	Line number	New contents of line
cam	0:0453a0a7e500	1	/*
cam	0:0453a0a7e500	2	* FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU.
cam	0:0453a0a7e500	3	* Copyright (c) 2006 Christian Walter <wolti@sil.at>
cam	0:0453a0a7e500	4	* All rights reserved.
cam	0:0453a0a7e500	5	*
cam	0:0453a0a7e500	6	* Redistribution and use in source and binary forms, with or without
cam	0:0453a0a7e500	7	* modification, are permitted provided that the following conditions
cam	0:0453a0a7e500	8	* are met:
cam	0:0453a0a7e500	9	* 1. Redistributions of source code must retain the above copyright
cam	0:0453a0a7e500	10	* notice, this list of conditions and the following disclaimer.
cam	0:0453a0a7e500	11	* 2. Redistributions in binary form must reproduce the above copyright
cam	0:0453a0a7e500	12	* notice, this list of conditions and the following disclaimer in the
cam	0:0453a0a7e500	13	* documentation and/or other materials provided with the distribution.
cam	0:0453a0a7e500	14	* 3. The name of the author may not be used to endorse or promote products
cam	0:0453a0a7e500	15	* derived from this software without specific prior written permission.
cam	0:0453a0a7e500	16	*
cam	0:0453a0a7e500	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
cam	0:0453a0a7e500	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
cam	0:0453a0a7e500	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
cam	0:0453a0a7e500	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
cam	0:0453a0a7e500	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
cam	0:0453a0a7e500	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
cam	0:0453a0a7e500	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
cam	0:0453a0a7e500	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
cam	0:0453a0a7e500	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
cam	0:0453a0a7e500	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
cam	0:0453a0a7e500	27	*
cam	0:0453a0a7e500	28	* File: $Id: mbfuncother.c,v 1.8 2006/12/07 22:10:34 wolti Exp $
cam	0:0453a0a7e500	29	*/
cam	0:0453a0a7e500	30
cam	0:0453a0a7e500	31	/* ----------------------- System includes ----------------------------------*/
cam	0:0453a0a7e500	32	#include "stdlib.h"
cam	0:0453a0a7e500	33	#include "string.h"
cam	0:0453a0a7e500	34
cam	0:0453a0a7e500	35	/* ----------------------- Platform includes --------------------------------*/
cam	0:0453a0a7e500	36	#include "port.h"
cam	0:0453a0a7e500	37
cam	0:0453a0a7e500	38	/* ----------------------- Modbus includes ----------------------------------*/
cam	0:0453a0a7e500	39	#include "mb.h"
cam	0:0453a0a7e500	40	#include "mbframe.h"
cam	0:0453a0a7e500	41	#include "mbproto.h"
cam	0:0453a0a7e500	42	#include "mbconfig.h"
cam	0:0453a0a7e500	43
cam	0:0453a0a7e500	44	#if MB_FUNC_OTHER_REP_SLAVEID_ENABLED > 0
cam	0:0453a0a7e500	45
cam	0:0453a0a7e500	46	/* ----------------------- Static variables ---------------------------------*/
cam	0:0453a0a7e500	47	static UCHAR ucMBSlaveID[MB_FUNC_OTHER_REP_SLAVEID_BUF];
cam	0:0453a0a7e500	48	static USHORT usMBSlaveIDLen;
cam	0:0453a0a7e500	49
cam	0:0453a0a7e500	50	/* ----------------------- Start implementation -----------------------------*/
cam	0:0453a0a7e500	51
cam	0:0453a0a7e500	52	eMBErrorCode
cam	0:0453a0a7e500	53	eMBSetSlaveID( UCHAR ucSlaveID, BOOL xIsRunning,
cam	0:0453a0a7e500	54	UCHAR const *pucAdditional, USHORT usAdditionalLen )
cam	0:0453a0a7e500	55	{
cam	0:0453a0a7e500	56	eMBErrorCode eStatus = MB_ENOERR;
cam	0:0453a0a7e500	57
cam	0:0453a0a7e500	58	/* the first byte and second byte in the buffer is reserved for
cam	0:0453a0a7e500	59	* the parameter ucSlaveID and the running flag. The rest of
cam	0:0453a0a7e500	60	* the buffer is available for additional data. */
cam	0:0453a0a7e500	61	if( usAdditionalLen + 2 < MB_FUNC_OTHER_REP_SLAVEID_BUF )
cam	0:0453a0a7e500	62	{
cam	0:0453a0a7e500	63	usMBSlaveIDLen = 0;
cam	0:0453a0a7e500	64	ucMBSlaveID[usMBSlaveIDLen++] = ucSlaveID;
cam	0:0453a0a7e500	65	ucMBSlaveID[usMBSlaveIDLen++] = ( UCHAR )( xIsRunning ? 0xFF : 0x00 );
cam	0:0453a0a7e500	66	if( usAdditionalLen > 0 )
cam	0:0453a0a7e500	67	{
cam	0:0453a0a7e500	68	memcpy( &ucMBSlaveID[usMBSlaveIDLen], pucAdditional,
cam	0:0453a0a7e500	69	( size_t )usAdditionalLen );
cam	0:0453a0a7e500	70	usMBSlaveIDLen += usAdditionalLen;
cam	0:0453a0a7e500	71	}
cam	0:0453a0a7e500	72	}
cam	0:0453a0a7e500	73	else
cam	0:0453a0a7e500	74	{
cam	0:0453a0a7e500	75	eStatus = MB_ENORES;
cam	0:0453a0a7e500	76	}
cam	0:0453a0a7e500	77	return eStatus;
cam	0:0453a0a7e500	78	}
cam	0:0453a0a7e500	79
cam	0:0453a0a7e500	80	eMBException
cam	0:0453a0a7e500	81	eMBFuncReportSlaveID( UCHAR * pucFrame, USHORT * usLen )
cam	0:0453a0a7e500	82	{
cam	0:0453a0a7e500	83	memcpy( &pucFrame[MB_PDU_DATA_OFF], &ucMBSlaveID[0], ( size_t )usMBSlaveIDLen );
cam	0:0453a0a7e500	84	*usLen = ( USHORT )( MB_PDU_DATA_OFF + usMBSlaveIDLen );
cam	0:0453a0a7e500	85	return MB_EX_NONE;
cam	0:0453a0a7e500	86	}
cam	0:0453a0a7e500	87
cam	0:0453a0a7e500	88	#endif

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	15 Apr 2010
Imports:	1286
Forks:	4
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	62

mbfuncother.cpp@0:0453a0a7e500, 2010-04-15 (annotated)

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