cn.foxtech.device.protocol.v1.modbus.core

类 ModBusProtocol

java.lang.Object

cn.foxtech.device.protocol.v1.modbus.core.ModBusProtocol

直接已知子类:

ModBusAsciiProtocol, ModBusRtuProtocol, ModBusTcpProtocol

public abstract class ModBusProtocol
extends Object

工业行业通信协议 MODBUS是工业设备的常用标准协议 背景知识： 1、它的基本设计理念是把设备当作一片连续的内存表，往内存地址上读取数据，设备就返回相应的设备检测数据 往内存地址上写入数据，设备就配置或者控制动作。 2、ModBus设备有两种工作模式，一种是ASCII，一种是RTU，上位机要用相应的工作模式去对接

构造器概要

构造器

构造器和说明
ModBusProtocol()

方法概要

限定符和类型	方法和说明
boolean	checkParam(Map<String,Object> param) 检查参数是否完备
abstract byte[]	packCmd4Entity(ModBusEntity entity) 打包：将实体打包成报文
abstract byte[]	packCmd4Map(Map<String,Object> param) 包装成map参数格式
byte[]	packCmdReadCoilStatus4Map(Map<String,Object> param) 读取线圈状态的编码函数
byte[]	packCmdReadCoilStatus4Request(ModBusReadStatusRequest request) 读取线圈状态的编码函数
byte[]	packCmdReadHoldingRegisters4Map(Map<String,Object> param) 读取:保持寄存器
byte[]	packCmdReadHoldingRegisters4Request(ModBusReadRegistersRequest request) 读取保持寄存器
byte[]	packCmdReadInputRegisters4Map(Map<String,Object> param)
byte[]	packCmdReadInputRegisters4Request(ModBusReadRegistersRequest request)
byte[]	packCmdReadInputStatus4Map(Map<String,Object> param)
byte[]	packCmdReadInputStatus4Request(ModBusReadStatusRequest request)
byte[]	packCmdReadRegisters4Map(byte func, Map<String,Object> param)
byte[]	packCmdReadRegisters4Request(ModBusReadRegistersRequest request) 读取保持寄存器
byte[]	packCmdReadStatus4Map(byte func, Map<String,Object> param)
byte[]	packCmdReadStatus4Request(ModBusReadStatusRequest request)
byte[]	packCmdWriteHoldingRegisters4Request(ModBusWriteRegistersRequest request) 写单个保持寄存器
byte[]	packCmdWriteRegisters4Request(ModBusWriteRegistersRequest request) 读取保持寄存器
byte[]	packCmdWriteSingleCoilStatus4Request(ModBusWriteStatusRequest request)
byte[]	packCmdWriteStatus4Request(ModBusWriteStatusRequest request)
abstract ModBusEntity	unPackCmd2Entity(byte[] arrCmd) 解包：将报文解码成实体
abstract Map<String,Object>	unPackCmd2Map(byte[] arrCmd) 解码成成map参数格式
ModBusReadStatusRespond	unPackCmdReadCoilStatus2Respond(byte[] arrCmd) 读取线圈状态： 注意：线圈状态返回的数量总是8的倍数，也就是说有些数据是空白的，需要跟发送参数核对。
Map<String,Object>	unPackCmdReadHoldingRegisters2Map(byte[] arrCmd) 解码
ModBusReadRegistersRespond	unPackCmdReadHoldingRegisters2Respond(byte[] arrCmd)
ModBusReadRegistersRespond	unPackCmdReadInputRegisters2Respond(byte[] arrCmd)
ModBusReadStatusRespond	unPackCmdReadInputStatus2Respond(byte[] arrCmd)
ModBusReadRegistersRespond	unPackCmdReadRegisters2Respond(byte[] arrCmd)
ModBusReadStatusRespond	unPackCmdReadStatus2Respond(byte[] arrCmd)
ModBusWriteRegistersRespond	unPackCmdWriteHoldingRegisters2Respond(byte[] arrCmd) 写单个保持寄存器
ModBusWriteRegistersRespond	unPackCmdWriteRegisters2Respond(byte[] arrCmd)
ModBusWriteStatusRespond	unPackCmdWriteSingleCoilStatus2Respond(byte[] arrCmd)
ModBusWriteStatusRespond	unPackCmdWriteStatus2Respond(byte[] arrCmd)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

ModBusProtocol

public ModBusProtocol()

方法详细资料

packCmd4Entity

public abstract byte[] packCmd4Entity(ModBusEntity entity)

打包：将实体打包成报文

参数:

entity - 实体

返回:

数据报文

unPackCmd2Entity

public abstract ModBusEntity unPackCmd2Entity(byte[] arrCmd)

解包：将报文解码成实体

参数:

arrCmd - 报文

返回:

实体

packCmd4Map

public abstract byte[] packCmd4Map(Map<String,Object> param)

包装成map参数格式

参数:

param -

返回:

unPackCmd2Map

public abstract Map<String,Object> unPackCmd2Map(byte[] arrCmd)

解码成成map参数格式

参数:

arrCmd - 数据报文

返回:

checkParam

public boolean checkParam(Map<String,Object> param)

检查参数是否完备

参数:

param -

返回:

packCmdReadInputRegisters4Map

public byte[] packCmdReadInputRegisters4Map(Map<String,Object> param)

packCmdReadHoldingRegisters4Map

public byte[] packCmdReadHoldingRegisters4Map(Map<String,Object> param)

读取:保持寄存器

参数:

param - 设备地址/地址偏移量/寄存器数量/模式

返回:

packCmdReadRegisters4Map

public byte[] packCmdReadRegisters4Map(byte func,
                                       Map<String,Object> param)

unPackCmdReadHoldingRegisters2Map

public Map<String,Object> unPackCmdReadHoldingRegisters2Map(byte[] arrCmd)

解码

参数:

arrCmd -

返回:

packCmdReadCoilStatus4Map

public byte[] packCmdReadCoilStatus4Map(Map<String,Object> param)

读取线圈状态的编码函数

参数:

param - 设备地址/地址偏移量/线圈数量

返回:

packCmdReadInputStatus4Map

public byte[] packCmdReadInputStatus4Map(Map<String,Object> param)

packCmdReadStatus4Map

public byte[] packCmdReadStatus4Map(byte func,
                                    Map<String,Object> param)

packCmdReadRegisters4Request

public byte[] packCmdReadRegisters4Request(ModBusReadRegistersRequest request)

读取保持寄存器

返回:

是否成功

unPackCmdReadRegisters2Respond

public ModBusReadRegistersRespond unPackCmdReadRegisters2Respond(byte[] arrCmd)

packCmdWriteRegisters4Request

public byte[] packCmdWriteRegisters4Request(ModBusWriteRegistersRequest request)

读取保持寄存器

返回:

是否成功

packCmdReadStatus4Request

public byte[] packCmdReadStatus4Request(ModBusReadStatusRequest request)

unPackCmdWriteRegisters2Respond

public ModBusWriteRegistersRespond unPackCmdWriteRegisters2Respond(byte[] arrCmd)

unPackCmdReadStatus2Respond

public ModBusReadStatusRespond unPackCmdReadStatus2Respond(byte[] arrCmd)

packCmdWriteStatus4Request

public byte[] packCmdWriteStatus4Request(ModBusWriteStatusRequest request)

unPackCmdWriteStatus2Respond

public ModBusWriteStatusRespond unPackCmdWriteStatus2Respond(byte[] arrCmd)

packCmdReadCoilStatus4Request

public byte[] packCmdReadCoilStatus4Request(ModBusReadStatusRequest request)

读取线圈状态的编码函数

返回:

是否成功

unPackCmdReadCoilStatus2Respond

public ModBusReadStatusRespond unPackCmdReadCoilStatus2Respond(byte[] arrCmd)

读取线圈状态： 注意：线圈状态返回的数量总是8的倍数，也就是说有些数据是空白的，需要跟发送参数核对。 比如，发送包查询20个数据，那么会返回24个数据，实际上的数据要跟发送报文中的20个核对

参数:

arrCmd -

返回:

packCmdReadInputStatus4Request

public byte[] packCmdReadInputStatus4Request(ModBusReadStatusRequest request)

unPackCmdReadInputStatus2Respond

public ModBusReadStatusRespond unPackCmdReadInputStatus2Respond(byte[] arrCmd)

packCmdReadHoldingRegisters4Request

public byte[] packCmdReadHoldingRegisters4Request(ModBusReadRegistersRequest request)

读取保持寄存器

返回:

是否成功

packCmdReadInputRegisters4Request

public byte[] packCmdReadInputRegisters4Request(ModBusReadRegistersRequest request)

unPackCmdReadHoldingRegisters2Respond

public ModBusReadRegistersRespond unPackCmdReadHoldingRegisters2Respond(byte[] arrCmd)

unPackCmdReadInputRegisters2Respond

public ModBusReadRegistersRespond unPackCmdReadInputRegisters2Respond(byte[] arrCmd)

packCmdWriteSingleCoilStatus4Request

public byte[] packCmdWriteSingleCoilStatus4Request(ModBusWriteStatusRequest request)

unPackCmdWriteSingleCoilStatus2Respond

public ModBusWriteStatusRespond unPackCmdWriteSingleCoilStatus2Respond(byte[] arrCmd)

packCmdWriteHoldingRegisters4Request

public byte[] packCmdWriteHoldingRegisters4Request(ModBusWriteRegistersRequest request)

写单个保持寄存器

参数:

request - 请求参数

返回:

报文

unPackCmdWriteHoldingRegisters2Respond

public ModBusWriteRegistersRespond unPackCmdWriteHoldingRegisters2Respond(byte[] arrCmd)

写单个保持寄存器

参数:

arrCmd - 报文

返回:

是否成功