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energy_storage/libs/pvb/include/rllib/rlmodbus.h

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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
2025-08-20 19:00:22 +08:00
/***************************************************************************
rlmodbus.h - description
-------------------
begin : Tue Mar 13 2003
copyright : (C) 2003 by R. Lehrig
email : lehrig@t-online.de
***************************************************************************/
/***************************************************************************
* *
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE as *
* published by the Free Software Foundation *
* *
***************************************************************************/
#ifndef _RL_MODBUS_H_
#define _RL_MODBUS_H_
#include "rldefine.h"
#include "rlsocket.h"
#include "rlserial.h"
/*! <pre>
This class implements the modbus protocol.
You can use serial interfaces or TCP/IP.
Modbus RTU and ASCII are available.
All Modbus requests include "slave" and "function".
Then some bytes follow, which are specific to a given function.
The request is then terminated by a checksum.
This table shows the bytes that are specific to a given function.
</pre>
<TABLE CELLSPACING="0" COLS="4" BORDER="0">
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
<TR>
<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>
<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>
<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>
<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>
</TR>
</TABLE>
*/
class rlModbus
{
public:
/*! <pre>
data exchanged by Modbus is either:
1byte unsigned for coils
2byte unsigned for registers
Helper union for converting Modbus data to data types that are not standard Modbus data types
Example:
rlModbus::DATA data;
data.u_short[0] = registers[0]; // store an unsigned 16 bit register in union data
printf("print registers[0] as signed int value=%d\n", data.s_short[0]);
</pre> */
typedef union
{
unsigned char u_char[4]; // 4 * 8bit_data, unsigned
char s_char[4]; // 4 * 8bit_data, signed
unsigned short u_short[2]; // 2 * 16bit_data, signed
short s_short[2]; // 2 * 16bit_data, signed
unsigned int u_int; // 1 * 32bit_data, unsigned
int s_int; // 1 * 32bit_data, signed
float s_float; // 1 * 32bit_data, signed
}DATA;
enum Modbus
{
MODBUS_CHECKSUM_ERROR = -2,
MODBUS_ERROR = -1,
MODBUS_SUCCESS = 0,
MODBUS_RTU = 1,
MODBUS_ASCII = 2
};
enum ModbusFunctionCodes
{
ReadCoilStatus = 1,
ReadInputStatus = 2,
ReadHoldingRegisters = 3,
ReadInputRegisters = 4,
ForceSingleCoil = 5,
PresetSingleRegister = 6,
ReadExceptionStatus = 7,
FetchCommEventCtr = 11,
FetchCommEventLog = 12,
ForceMultipleCoils = 15,
PresetMultipleRegs = 16,
ReportSlaveID = 17,
ReadGeneralReference = 20,
WriteGeneralReference = 21,
MaskWrite4XRegisters = 22,
ReadWrite4XRegisters = 23,
ReadFifoQueue = 24
};
rlModbus(long max_telegram_length = 1024, int mode = MODBUS_RTU, char end_delimitor = 0x0a);
virtual ~rlModbus();
int write (int slave, int function, const unsigned char *data, int len, int *transactionID = NULL);
int request (int slave, int function, int start_adr, int num_register);
int response(int *slave, int *function, unsigned char *data, int timeout=1000);
int readRequest(int *slave, int *function, unsigned char *data, int timeout=1000, int *transactionID = NULL);
void registerSocket(rlSocket *socket);
void registerSerial(rlSerial *serial);
int data2int(const unsigned char *data);
int int2data(int val, unsigned char *data);
int intsize();
int autoreconnectSocket;
int readCoilStatus (int slave, int start_adr, int number_of_coils, unsigned char *status, int timeout=1000);
int readInputStatus (int slave, int start_adr, int number_of_inputs, unsigned char *status, int timeout=1000);
/*! <pre>
We assume positive values for registers: 0 <= registers < 256*256
</pre> */
int readHoldingRegisters (int slave, int start_adr, int number_of_registers, int *registers, int timeout=1000);
/*! <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
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