| 1 | /*
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| 2 | * libmodbusWrapper.h
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| 3 | * ModBusKit
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| 4 | */
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| 5 | //Created by Matthew Butch on 03/02/08.
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| 6 | // Copyright 2008 Volitans Software and R Engineering, Inc.
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| 7 | /*
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| 8 | This library is free software; you can redistribute it and/or
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| 9 | modify it under the terms of the GNU Lesser General Public
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| 10 | License as published by the Free Software Foundation; either
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| 11 | version 2 of the License, or (at your option) any later version.
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| 12 |
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| 13 | This library is distributed in the hope that it will be useful,
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 16 | Lesser General Public License for more details.
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| 17 |
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| 18 | You should have received a copy of the GNU Lesser General Public
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| 19 | License along with this library; if not, write to the Free Software
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| 20 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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| 21 |
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| 22 | These library of functions are designed to enable a program send and
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| 23 | receive data from a device that communicates using the Modbus protocol.
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| 24 | */
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| 25 | //
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| 26 | // This is an C++ wrapper for libmodbus
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| 27 | #ifndef _LIBMODBUSWRAPPER_H_
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| 28 | #define _LIBMODBUSWRAPPER_H_
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| 29 |
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| 30 | #include <string.h>
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| 31 | #include <stdio.h>
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| 32 | #include "modbus.h"
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| 33 | using namespace std;
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| 34 |
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| 35 | enum {k_unknown=0, k_none, k_odd, k_even};
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| 36 | enum {k_5=5, k_6, k_7, k_8};
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| 37 | enum {k_1=1, k_2};
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| 38 |
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| 39 | class libmodbusWrapper
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| 40 | {
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| 41 | modbus_param_t mb_param;
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| 42 | int errorCode;
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| 43 | bool debug;
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| 44 |
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| 45 | public:
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| 46 | bool lmbInitSerial(const char* device, int baud, int parity, int data_bit, int stop_bit);
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| 47 | bool lmbInitTCP(const char* device, int port);
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| 48 | int lmbConnect();
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| 49 | void lmbDisconnect();
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| 50 | bool lmbReadDiscreteInput(int slaveID, int startAddress, int inputCount, uint8_t *data);
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| 51 | bool lmbReadCoil(int slaveID, int startAddress, int coilCount, uint8_t *data);
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| 52 | bool lmbWriteSingleCoil(int slaveID, int coilAddress, bool state);
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| 53 | bool lmbWriteMultipleCoils(int slaveID, int startAddress, int coilCount, uint8_t *states);
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| 54 | bool lmbReadInputRegisters(int slaveID, int startAddress, int registerCount, uint16_t *data);
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| 55 | bool lmbReadHoldingRegisters(int slaveID, int startAddress, int registerCount, uint16_t *data);
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| 56 | bool lmbWriteSingleHoldingRegister(int slaveID, int registerAddress, uint16_t value);
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| 57 | bool lmbWriteMultipleHoldingRegisters(int slaveID, int startAddress, int registerCount, uint16_t *values);
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| 58 | int lmbErrorCode();
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| 59 | void lmbSetDebug(bool state);
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| 60 | void lmbSetRawDataSave(bool state);
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| 61 | int lmbLastRawQuery(uint8_t *rawQuery);
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| 62 | int lmbLastRawResponse(uint8_t *rawResponse);
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| 63 | int libmodbusWrapper::lmbLastRawQueryLength();
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| 64 | int libmodbusWrapper::lmbLastRawResponseLength();
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| 65 | };
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| 66 |
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| 67 | #endif |
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