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搭建PVB架构，实现前端的基础布局、菜单、表格、图示等功能
This commit is contained in:
lixiaoyuan
257
libs/pvb/include/rllib/rlmodbus.h
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257
libs/pvb/include/rllib/rlmodbus.h
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/***************************************************************************
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rlmodbus.h - description
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-------------------
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begin : Tue Mar 13 2003
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copyright : (C) 2003 by R. Lehrig
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email : lehrig@t-online.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This library is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE as *
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* published by the Free Software Foundation *
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* *
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***************************************************************************/
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#ifndef _RL_MODBUS_H_
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#define _RL_MODBUS_H_
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#include "rldefine.h"
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#include "rlsocket.h"
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#include "rlserial.h"
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/*! <pre>
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This class implements the modbus protocol.
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You can use serial interfaces or TCP/IP.
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Modbus RTU and ASCII are available.
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All Modbus requests include "slave" and "function".
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Then some bytes follow, which are specific to a given function.
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The request is then terminated by a checksum.
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This table shows the bytes that are specific to a given function.
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</pre>
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<TABLE CELLSPACING="0" COLS="4" BORDER="0">
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="17" ALIGN="LEFT" VALIGN=TOP><B>Function</B></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><B>Query</B></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><B>Response</B></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><B><BR></B></TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="62" ALIGN="LEFT" VALIGN=TOP>01 Read Coil Status</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Start adr high<BR>Start adr low<BR>Number of points high<BR>Number of points low</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Data Byte Count<BR>Data1<BR>Data2 …</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>8 points per byte</TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="62" ALIGN="LEFT" VALIGN=TOP>02 Read Input Status</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Start adr high<BR>Start adr low<BR>Number of points high<BR>Number of points low</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Data Byte Count<BR>Data1 <BR>Data2 …</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>8 points per byte</TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="77" ALIGN="LEFT" VALIGN=TOP>03 Read Holding Registers</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Start adr high<BR>Start adr low<BR>Number of points high<BR>Number of points low</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Data Byte Count<BR>Data1 high<BR>Data1 low<BR>Data2 high<BR>Data2 low…</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>1 point needs 2 bytes</TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="77" ALIGN="LEFT" VALIGN=TOP>04 Read Input Registers</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Start adr high<BR>Start adr low<BR>Number of points high<BR>Number of points low</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Data Byte Count<BR>Data1 high<BR>Data1 low<BR>Data2 high<BR>Data2 low…</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>1 point needs 2 bytes</TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="62" ALIGN="LEFT" VALIGN=TOP>05 Force Single Coil</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Coil adr high<BR>Coil adr low<BR>Force data high<BR>Force data low</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Coil adr high<BR>Coil adr low<BR>Force data high<BR>Force data low </TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Force data ON = 0x0ff00<BR>Force data OFF = 0</TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="62" ALIGN="LEFT" VALIGN=TOP>06 Preset Single Register</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Register adr high<BR>Register adr low<BR>Preset data high<BR>Preset data low</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Register adr high<BR>Register adr low<BR>Preset data high<BR>Preset data low</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="17" ALIGN="LEFT" VALIGN=TOP>07 Read Exception Status</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Coil data</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>8 exception status coils returned</TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="62" ALIGN="LEFT" VALIGN=TOP>11 Fetch Comm Event Counter</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Status high<BR>Status low<BR>Event Count high<BR>Event Count low</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="17" ALIGN="LEFT" VALIGN=TOP>12 Fetch Comm Event Log</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>See: PI_MODBUS_300.pdf</TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="136" ALIGN="LEFT" VALIGN=TOP>15 Force Multiple Coils</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Coil adr high<BR>Coil adr low<BR>Number of coils high<BR>Number of coils low<BR>Force data byte count<BR>Force data1<BR>Force data2 ...</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Coil adr high<BR>Coil adr low<BR>Number of coils high<BR>Number of coils low</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>8 coils per byte</TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="136" ALIGN="LEFT" VALIGN=TOP>16 Preset Multiple Registers</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Start adr high<BR>Start adr low<BR>Number of registers high<BR>Number of registers low<BR>Data byte count<BR>Data1 high<BR>Data1 low<BR>Data2 high<BR>Data2 low …</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Start adr high<BR>Start adr low<BR>Number of registers high<BR>Number of registers low</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="17" ALIGN="LEFT" VALIGN=TOP>17 Report Slave ID</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>Data Byte count ~ device specific</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>See: PI_MODBUS_300.pdf</TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="17" ALIGN="LEFT" VALIGN=TOP>20 Read General Reference</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>See: PI_MODBUS_300.pdf</TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="17" ALIGN="LEFT" VALIGN=TOP>21 Write General Reference</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>See: PI_MODBUS_300.pdf</TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="17" ALIGN="LEFT" VALIGN=TOP>22 Mask Write 4X Register</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>See: PI_MODBUS_300.pdf</TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="17" ALIGN="LEFT" VALIGN=TOP>23 Read/Write 4X Registers</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>See: PI_MODBUS_300.pdf</TD>
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</TR>
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<TR>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" HEIGHT="17" ALIGN="LEFT" VALIGN=TOP>24 Read FIFO Queue</TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP><BR></TD>
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<TD STYLE="border-top: 1px solid #000000; border-bottom: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000" ALIGN="LEFT" VALIGN=TOP>See: PI_MODBUS_300.pdf</TD>
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</TR>
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</TABLE>
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*/
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class rlModbus
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{
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public:
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/*! <pre>
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data exchanged by Modbus is either:
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1byte unsigned for coils
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2byte unsigned for registers
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Helper union for converting Modbus data to data types that are not standard Modbus data types
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Example:
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rlModbus::DATA data;
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data.u_short[0] = registers[0]; // store an unsigned 16 bit register in union data
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printf("print registers[0] as signed int value=%d\n", data.s_short[0]);
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</pre> */
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typedef union
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{
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unsigned char u_char[4]; // 4 * 8bit_data, unsigned
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char s_char[4]; // 4 * 8bit_data, signed
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unsigned short u_short[2]; // 2 * 16bit_data, signed
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short s_short[2]; // 2 * 16bit_data, signed
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unsigned int u_int; // 1 * 32bit_data, unsigned
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int s_int; // 1 * 32bit_data, signed
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float s_float; // 1 * 32bit_data, signed
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}DATA;
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enum Modbus
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{
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MODBUS_CHECKSUM_ERROR = -2,
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MODBUS_ERROR = -1,
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MODBUS_SUCCESS = 0,
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MODBUS_RTU = 1,
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MODBUS_ASCII = 2
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};
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enum ModbusFunctionCodes
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{
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ReadCoilStatus = 1,
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ReadInputStatus = 2,
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ReadHoldingRegisters = 3,
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ReadInputRegisters = 4,
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ForceSingleCoil = 5,
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PresetSingleRegister = 6,
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ReadExceptionStatus = 7,
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FetchCommEventCtr = 11,
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FetchCommEventLog = 12,
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ForceMultipleCoils = 15,
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PresetMultipleRegs = 16,
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ReportSlaveID = 17,
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ReadGeneralReference = 20,
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WriteGeneralReference = 21,
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MaskWrite4XRegisters = 22,
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ReadWrite4XRegisters = 23,
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ReadFifoQueue = 24
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};
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rlModbus(long max_telegram_length = 1024, int mode = MODBUS_RTU, char end_delimitor = 0x0a);
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virtual ~rlModbus();
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int write (int slave, int function, const unsigned char *data, int len, int *transactionID = NULL);
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int request (int slave, int function, int start_adr, int num_register);
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int response(int *slave, int *function, unsigned char *data, int timeout=1000);
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int readRequest(int *slave, int *function, unsigned char *data, int timeout=1000, int *transactionID = NULL);
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void registerSocket(rlSocket *socket);
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void registerSerial(rlSerial *serial);
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int data2int(const unsigned char *data);
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int int2data(int val, unsigned char *data);
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int intsize();
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int autoreconnectSocket;
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int readCoilStatus (int slave, int start_adr, int number_of_coils, unsigned char *status, int timeout=1000);
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int readInputStatus (int slave, int start_adr, int number_of_inputs, unsigned char *status, int timeout=1000);
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/*! <pre>
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||||
We assume positive values for registers: 0 <= registers < 256*256
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||||
</pre> */
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int readHoldingRegisters (int slave, int start_adr, int number_of_registers, int *registers, int timeout=1000);
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||||
/*! <pre>
|
||||
We assume positive values for registers: 0 <= registers < 256*256
|
||||
</pre> */
|
||||
int readInputRegisters (int slave, int start_adr, int number_of_registers, int *registers, int timeout=1000);
|
||||
int forceSingleCoil (int slave, int coil_adr, int value, int timeout=1000);
|
||||
/*! <pre>
|
||||
We assume positive values for registers: 0 <= value < 256*256
|
||||
</pre> */
|
||||
int presetSingleRegister (int slave, int register_adr, int value, int timeout=1000);
|
||||
/*! <pre>
|
||||
We assume positive values for registers: 0 <= registers < 256*256
|
||||
</pre> */
|
||||
int forceMultipleCoils (int slave, int coil_adr, int number_of_coils, unsigned char *coils, int timeout=1000);
|
||||
/*! <pre>
|
||||
We assume positive values for registers: 0 <= registers < 256*256
|
||||
</pre> */
|
||||
int presetMultipleRegisters (int slave, int start_adr, int number_of_registers, int *registers, int timeout=1000);
|
||||
|
||||
private:
|
||||
int buf2int_rtu(unsigned char *buf);
|
||||
void int2buf_rtu(int i, unsigned char *buf);
|
||||
int buf2int_ascii(unsigned char *buf);
|
||||
void int2buf_ascii(int i, unsigned char *buf);
|
||||
void insertLRC(int len);
|
||||
void insertCRC(int len);
|
||||
int LRCerror(int len);
|
||||
int CRCerror(int len);
|
||||
rlSocket *s;
|
||||
rlSerial *tty;
|
||||
unsigned char *tel;
|
||||
long maxtel;
|
||||
int mode;
|
||||
char delimitor;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user