88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/*
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* FreeModbus Libary: BARE Demo Application
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* Copyright (C) 2006 Christian Walter <wolti@sil.at>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* File: $Id$
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*/
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/* ----------------------- Modbus includes ----------------------------------*/
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#include "mb.h"
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#include "mbport.h"
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/* ----------------------- Defines ------------------------------------------*/
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#define REG_INPUT_START 0
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#define REG_INPUT_NREGS 6
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/* ----------------------- Static variables ---------------------------------*/
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static USHORT usRegInputStart = REG_INPUT_START;
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//static
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//uint16_t usRegInputBuf[REG_INPUT_NREGS];
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uint16_t InputBuff[6];
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eMBErrorCode
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eMBRegInputCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs )
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{
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eMBErrorCode eStatus = MB_ENOERR;
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int iRegIndex;
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int i;
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InputBuff[0] = 0x11;
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InputBuff[1] = 0x22;
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InputBuff[2] = 0x33;
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InputBuff[3] = 0x44;
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InputBuff[4] = 0x55;
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if( ( usAddress >= REG_INPUT_START )
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&& ( usAddress + usNRegs <= REG_INPUT_START + REG_INPUT_NREGS ) )
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{
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iRegIndex = ( int )( usAddress - usRegInputStart );
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for(i=0;i<usNRegs;i++)
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{
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*pucRegBuffer=InputBuff[i+usAddress-1]>>8;
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pucRegBuffer++;
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*pucRegBuffer=InputBuff[i+usAddress-1]&0xff;
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pucRegBuffer++;
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}
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}
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else
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{
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eStatus = MB_ENOREG;
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}
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return eStatus;
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}
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eMBErrorCode
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eMBRegHoldingCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNRegs,
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eMBRegisterMode eMode )
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{
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return MB_ENOREG;
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}
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eMBErrorCode
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eMBRegCoilsCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNCoils,
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eMBRegisterMode eMode )
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{
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return MB_ENOREG;
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}
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eMBErrorCode
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eMBRegDiscreteCB( UCHAR * pucRegBuffer, USHORT usAddress, USHORT usNDiscrete )
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{
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return MB_ENOREG;
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}
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