Wayne Lin / Modbus

modified for nuc472

Dependents:   modbus-over-rs485-sample NTOUEE-mbed-modbus-RTU NuMaker_NuWicam_Lite

Fork of Modbus by Matthew Waddilove

mbfuncother.cpp@7:be466464a18c, 2017-10-06 (annotated)

Committer:
wclin
Date:
Fri Oct 06 02:54:27 2017 +0000
Revision:
7:be466464a18c
Parent:
0:274eb57e1df3 
Support M487 board.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
giryan 0:274eb57e1df3 1 /*
giryan 0:274eb57e1df3 2 * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU.
giryan 0:274eb57e1df3 3 * Copyright (c) 2006 Christian Walter <wolti@sil.at>
giryan 0:274eb57e1df3 4 * All rights reserved.
giryan 0:274eb57e1df3 5 *
giryan 0:274eb57e1df3 6 * Redistribution and use in source and binary forms, with or without
giryan 0:274eb57e1df3 7 * modification, are permitted provided that the following conditions
giryan 0:274eb57e1df3 8 * are met:
giryan 0:274eb57e1df3 9 * 1. Redistributions of source code must retain the above copyright
giryan 0:274eb57e1df3 10 * notice, this list of conditions and the following disclaimer.
giryan 0:274eb57e1df3 11 * 2. Redistributions in binary form must reproduce the above copyright
giryan 0:274eb57e1df3 12 * notice, this list of conditions and the following disclaimer in the
giryan 0:274eb57e1df3 13 * documentation and/or other materials provided with the distribution.
giryan 0:274eb57e1df3 14 * 3. The name of the author may not be used to endorse or promote products
giryan 0:274eb57e1df3 15 * derived from this software without specific prior written permission.
giryan 0:274eb57e1df3 16 *
giryan 0:274eb57e1df3 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
giryan 0:274eb57e1df3 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
giryan 0:274eb57e1df3 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
giryan 0:274eb57e1df3 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
giryan 0:274eb57e1df3 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
giryan 0:274eb57e1df3 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
giryan 0:274eb57e1df3 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
giryan 0:274eb57e1df3 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
giryan 0:274eb57e1df3 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
giryan 0:274eb57e1df3 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
giryan 0:274eb57e1df3 27 *
giryan 0:274eb57e1df3 28 * File: $Id: mbfuncother.c,v 1.8 2006/12/07 22:10:34 wolti Exp $
giryan 0:274eb57e1df3 29 */
giryan 0:274eb57e1df3 30
giryan 0:274eb57e1df3 31 /* ----------------------- System includes ----------------------------------*/
giryan 0:274eb57e1df3 32 #include "stdlib.h"
giryan 0:274eb57e1df3 33 #include "string.h"
giryan 0:274eb57e1df3 34
giryan 0:274eb57e1df3 35 /* ----------------------- Platform includes --------------------------------*/
giryan 0:274eb57e1df3 36 #include "port.h"
giryan 0:274eb57e1df3 37
giryan 0:274eb57e1df3 38 /* ----------------------- Modbus includes ----------------------------------*/
giryan 0:274eb57e1df3 39 #include "mb.h"
giryan 0:274eb57e1df3 40 #include "mbframe.h"
giryan 0:274eb57e1df3 41 #include "mbproto.h"
giryan 0:274eb57e1df3 42 #include "mbconfig.h"
giryan 0:274eb57e1df3 43
giryan 0:274eb57e1df3 44 #if MB_FUNC_OTHER_REP_SLAVEID_ENABLED > 0
giryan 0:274eb57e1df3 45
giryan 0:274eb57e1df3 46 /* ----------------------- Static variables ---------------------------------*/
giryan 0:274eb57e1df3 47 static UCHAR ucMBSlaveID[MB_FUNC_OTHER_REP_SLAVEID_BUF];
giryan 0:274eb57e1df3 48 static USHORT usMBSlaveIDLen;
giryan 0:274eb57e1df3 49
giryan 0:274eb57e1df3 50 /* ----------------------- Start implementation -----------------------------*/
giryan 0:274eb57e1df3 51
giryan 0:274eb57e1df3 52 eMBErrorCode
giryan 0:274eb57e1df3 53 eMBSetSlaveID( UCHAR ucSlaveID, BOOL xIsRunning,
giryan 0:274eb57e1df3 54 UCHAR const *pucAdditional, USHORT usAdditionalLen )
giryan 0:274eb57e1df3 55 {
giryan 0:274eb57e1df3 56 eMBErrorCode eStatus = MB_ENOERR;
giryan 0:274eb57e1df3 57
giryan 0:274eb57e1df3 58 /* the first byte and second byte in the buffer is reserved for
giryan 0:274eb57e1df3 59 * the parameter ucSlaveID and the running flag. The rest of
giryan 0:274eb57e1df3 60 * the buffer is available for additional data. */
giryan 0:274eb57e1df3 61 if( usAdditionalLen + 2 < MB_FUNC_OTHER_REP_SLAVEID_BUF )
giryan 0:274eb57e1df3 62 {
giryan 0:274eb57e1df3 63 usMBSlaveIDLen = 0;
giryan 0:274eb57e1df3 64 ucMBSlaveID[usMBSlaveIDLen++] = ucSlaveID;
giryan 0:274eb57e1df3 65 ucMBSlaveID[usMBSlaveIDLen++] = ( UCHAR )( xIsRunning ? 0xFF : 0x00 );
giryan 0:274eb57e1df3 66 if( usAdditionalLen > 0 )
giryan 0:274eb57e1df3 67 {
giryan 0:274eb57e1df3 68 memcpy( &ucMBSlaveID[usMBSlaveIDLen], pucAdditional,
giryan 0:274eb57e1df3 69 ( size_t )usAdditionalLen );
giryan 0:274eb57e1df3 70 usMBSlaveIDLen += usAdditionalLen;
giryan 0:274eb57e1df3 71 }
giryan 0:274eb57e1df3 72 }
giryan 0:274eb57e1df3 73 else
giryan 0:274eb57e1df3 74 {
giryan 0:274eb57e1df3 75 eStatus = MB_ENORES;
giryan 0:274eb57e1df3 76 }
giryan 0:274eb57e1df3 77 return eStatus;
giryan 0:274eb57e1df3 78 }
giryan 0:274eb57e1df3 79
giryan 0:274eb57e1df3 80 eMBException
giryan 0:274eb57e1df3 81 eMBFuncReportSlaveID( UCHAR * pucFrame, USHORT * usLen )
giryan 0:274eb57e1df3 82 {
giryan 0:274eb57e1df3 83 memcpy( &pucFrame[MB_PDU_DATA_OFF], &ucMBSlaveID[0], ( size_t )usMBSlaveIDLen );
giryan 0:274eb57e1df3 84 *usLen = ( USHORT )( MB_PDU_DATA_OFF + usMBSlaveIDLen );
giryan 0:274eb57e1df3 85 return MB_EX_NONE;
giryan 0:274eb57e1df3 86 }
giryan 0:274eb57e1df3 87
giryan 0:274eb57e1df3 88 #endif