package com.zy.common.HslCommunication.ModBus;
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import com.zy.common.HslCommunication.Core.Types.OperateResultExOne;
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import com.zy.common.HslCommunication.StringResources;
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import com.zy.common.HslCommunication.Utilities;
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/**
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* Modbus协议相关的一些信息
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*/
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public class ModbusInfo {
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/**
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* 读取线圈
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*/
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public static final byte ReadCoil = 0x01;
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/**
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* 读取离散量
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*/
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public static final byte ReadDiscrete = 0x02;
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/**
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* 读取寄存器
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*/
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public static final byte ReadRegister = 0x03;
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/**
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* 读取输入寄存器
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*/
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public static final byte ReadInputRegister = 0x04;
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/**
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* 写单个线圈
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*/
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public static final byte WriteOneCoil = 0x05;
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/**
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* 写单个寄存器
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*/
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public static final byte WriteOneRegister = 0x06;
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/**
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* 写多个线圈
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*/
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public static final byte WriteCoil = 0x0F;
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/**
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* 写多个寄存器
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*/
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public static final byte WriteRegister = 0x10;
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/*****************************************************************************************
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*
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* 本服务器和客户端支持的异常返回
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*
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*******************************************************************************************/
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/**
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* 不支持该功能码
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*/
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public static final byte FunctionCodeNotSupport = 0x01;
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/**
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* 该地址越界
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*/
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public static final byte FunctionCodeOverBound = 0x02;
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/**
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* 读取长度超过最大值
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*/
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public static final byte FunctionCodeQuantityOver = 0x03;
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/**
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* 读写异常
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*/
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public static final byte FunctionCodeReadWriteException = 0x04;
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/**
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* 将modbus指令打包成Modbus-Tcp指令
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*
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* @param value Modbus指令
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* @param id 消息的序号
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* @return Modbus-Tcp指令
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*/
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public static byte[] PackCommandToTcp(byte[] value, int id) {
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byte[] buffer = new byte[value.length + 6];
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buffer[0] = Utilities.getBytes(id)[1];
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buffer[1] = Utilities.getBytes(id)[0];
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buffer[4] = Utilities.getBytes(value.length)[1];
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buffer[5] = Utilities.getBytes(value.length)[0];
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System.arraycopy(value, 0, buffer, 6, value.length);
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return buffer;
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}
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/**
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* 分析Modbus协议的地址信息，该地址适应于tcp及rtu模式
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*
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* @param address 带格式的地址，比如"100"，"x=4;100"，"s=1;100","s=1;x=4;100"
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* @param isStartWithZero 起始地址是否从0开始
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* @return 转换后的地址信息
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*/
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public static OperateResultExOne<ModbusAddress> AnalysisReadAddress(String address, boolean isStartWithZero) {
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try {
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ModbusAddress mAddress = new ModbusAddress(address);
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if (!isStartWithZero) {
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if (mAddress.getAddress() < 1) throw new Exception("地址值在起始地址为1的情况下，必须大于1");
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mAddress.setAddress(mAddress.getAddress() - 1);
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}
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return OperateResultExOne.CreateSuccessResult(mAddress);
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} catch (Exception ex) {
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OperateResultExOne<ModbusAddress> resultExOne = new OperateResultExOne<>();
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resultExOne.Message = ex.getMessage();
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return resultExOne;
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}
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}
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/**
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* 通过错误码来获取到对应的文本消息
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*
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* @param code 错误码
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* @return 错误的文本描述
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*/
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public static String GetDescriptionByErrorCode(byte code) {
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switch (code) {
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case ModbusInfo.FunctionCodeNotSupport:
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return StringResources.Language.ModbusTcpFunctionCodeNotSupport();
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case ModbusInfo.FunctionCodeOverBound:
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return StringResources.Language.ModbusTcpFunctionCodeOverBound();
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case ModbusInfo.FunctionCodeQuantityOver:
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return StringResources.Language.ModbusTcpFunctionCodeQuantityOver();
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case ModbusInfo.FunctionCodeReadWriteException:
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return StringResources.Language.ModbusTcpFunctionCodeReadWriteException();
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default:
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return StringResources.Language.UnknownError();
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}
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}
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}
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