警灯通讯

This commit is contained in:
gcw_MV9p2JJN 2025-12-23 09:17:36 +08:00
parent a4a52320f4
commit c38ac18a30
4 changed files with 585 additions and 5 deletions

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@ -0,0 +1,376 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Infrastructure.Helper
{
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Sockets;
using System.Threading.Tasks;
/// <summary>
/// Modbus TCP 客户端帮助类(支持常用功能码) 客户端 = 主站
/// </summary>
public class ModbusTcpClientHelper : IDisposable
{
private TcpClient _tcpClient;
private NetworkStream _networkStream;
private readonly object _lockObj = new object(); // 线程安全锁
/// <summary>
/// 连接Modbus TCP服务器 服务端 = 从站
/// </summary>
/// <param name="ip">服务器IP</param>
/// <param name="port">端口默认502</param>
/// <param name="timeoutMs">超时时间毫秒默认3000</param>
public void Connect(string ip, int port = 502, int timeoutMs = 3000)
{
if (_tcpClient != null && _tcpClient.Connected)
return;
lock (_lockObj)
{
try
{
_tcpClient = new TcpClient();
_tcpClient.SendTimeout = timeoutMs;
_tcpClient.ReceiveTimeout = timeoutMs;
_tcpClient.Connect(ip, port);
_networkStream = _tcpClient.GetStream();
}
catch (Exception ex)
{
throw new Exception($"连接Modbus TCP服务器失败{ex.Message}", ex);
}
}
}
/// <summary>
/// 断开连接
/// </summary>
public void Disconnect()
{
lock (_lockObj)
{
_networkStream?.Close();
_tcpClient?.Close();
_networkStream = null;
_tcpClient = null;
}
}
/// <summary>
/// 读取保持寄存器功能码0x03
/// </summary>
/// <param name="unitId">从站地址单元ID</param>
/// <param name="startAddress">起始地址0-based</param>
/// <param name="numberOfRegisters">寄存器数量</param>
/// <returns>寄存器值列表每个寄存器2字节高位在前</returns>
public List<ushort> ReadHoldingRegisters(byte unitId, ushort startAddress, ushort numberOfRegisters)
{
var request = BuildReadRequest(unitId, 0x03, startAddress, numberOfRegisters);
var response = SendAndReceive(request);
return ParseReadRegistersResponse(response, numberOfRegisters);
}
/// <summary>
/// 读取输入寄存器功能码0x04
/// </summary>
public List<ushort> ReadInputRegisters(byte unitId, ushort startAddress, ushort numberOfRegisters)
{
var request = BuildReadRequest(unitId, 0x04, startAddress, numberOfRegisters);
var response = SendAndReceive(request);
return ParseReadRegistersResponse(response, numberOfRegisters);
}
/// <summary>
/// 写入单个保持寄存器功能码0x06
/// </summary>
/// <param name="unitId">从站地址</param>
/// <param name="address">寄存器地址0-based</param>
/// <param name="value">要写入的值16位</param>
public void WriteSingleRegister(byte unitId, ushort address, ushort value)
{
var request = BuildWriteSingleRequest(unitId, 0x06, address, value);
var response = SendAndReceive(request);
ValidateWriteResponse(response, 0x06, address, value);
}
/// <summary>
/// 写入多个保持寄存器功能码0x10
/// </summary>
/// <param name="unitId">从站地址</param>
/// <param name="startAddress">起始地址0-based</param>
/// <param name="values">要写入的值列表每个值16位</param>
public void WriteMultipleRegisters(byte unitId, ushort startAddress, List<ushort> values)
{
var request = BuildWriteMultipleRequest(unitId, 0x10, startAddress, values);
var response = SendAndReceive(request);
ValidateWriteResponse(response, 0x10, startAddress, (ushort)values.Count);
}
/// <summary>
/// 读取线圈状态功能码0x01
/// </summary>
/// <param name="unitId">从站地址</param>
/// <param name="startAddress">起始地址0-based</param>
/// <param name="numberOfCoils">线圈数量1-2000</param>
/// <returns>线圈状态列表true=ONfalse=OFF</returns>
public List<bool> ReadCoils(byte unitId, ushort startAddress, ushort numberOfCoils)
{
var request = BuildReadRequest(unitId, 0x01, startAddress, numberOfCoils);
var response = SendAndReceive(request);
return ParseReadCoilsResponse(response, numberOfCoils);
}
/// <summary>
/// 写入单个线圈功能码0x05
/// </summary>
public void WriteSingleCoil(byte unitId, ushort address, bool value)
{
var request = BuildWriteSingleCoilRequest(unitId, 0x05, address, value);
var response = SendAndReceive(request);
ValidateWriteResponse(response, 0x05, address, value ? (ushort)0xFF00 : (ushort)0x0000);
}
#region
/// <summary>
/// 构建读请求报文功能码0x01、0x02、0x03、0x04通用
/// </summary>
private byte[] BuildReadRequest(byte unitId, byte functionCode, ushort startAddress, ushort quantity)
{
var request = new List<byte>
{
unitId, // 单元ID
functionCode // 功能码
};
request.AddRange(BitConverter.GetBytes(startAddress).Reverse()); // 起始地址(大端序)
request.AddRange(BitConverter.GetBytes(quantity).Reverse()); // 数量(大端序)
AddCrcOrLength(request); // 添加长度Modbus TCP无CRC用MBAP长度
return request.ToArray();
}
/// <summary>
/// 构建写单个寄存器请求功能码0x06
/// </summary>
private byte[] BuildWriteSingleRequest(byte unitId, byte functionCode, ushort address, ushort value)
{
var request = new List<byte>
{
unitId,
functionCode
};
request.AddRange(BitConverter.GetBytes(address).Reverse());
request.AddRange(BitConverter.GetBytes(value).Reverse());
AddCrcOrLength(request);
return request.ToArray();
}
/// <summary>
/// 构建写多个寄存器请求功能码0x10
/// </summary>
private byte[] BuildWriteMultipleRequest(byte unitId, byte functionCode, ushort startAddress, List<ushort> values)
{
var request = new List<byte>
{
unitId,
functionCode,
(byte)(startAddress >> 8), // 起始地址高字节
(byte)(startAddress & 0xFF),// 起始地址低字节
(byte)(values.Count >> 8), // 数量高字节
(byte)(values.Count & 0xFF),// 数量低字节
(byte)(values.Count * 2) // 字节数每个寄存器2字节
};
foreach (var value in values)
{
request.AddRange(BitConverter.GetBytes(value).Reverse()); // 寄存器值(大端序)
}
AddCrcOrLength(request);
return request.ToArray();
}
/// <summary>
/// 构建写单个线圈请求功能码0x05
/// </summary>
private byte[] BuildWriteSingleCoilRequest(byte unitId, byte functionCode, ushort address, bool value)
{
var request = new List<byte>
{
unitId,
functionCode
};
request.AddRange(BitConverter.GetBytes(address).Reverse());
request.AddRange(value ? new byte[] { 0xFF, 0x00 } : new byte[] { 0x00, 0x00 }); // ON=0xFF00OFF=0x0000
AddCrcOrLength(request);
return request.ToArray();
}
/// <summary>
/// 添加MBAP头的长度字段Modbus TCP无CRC用长度标识后续字节数
/// </summary>
private void AddCrcOrLength(List<byte> data)
{
// Modbus TCP格式[事务ID(2)][协议ID(2)][长度(2)][单元ID(1)][PDU...]
// 此处简化假设事务ID=0协议ID=0长度=单元ID+PDU长度即data.Length
var mbapHeader = new List<byte>
{
0x00, 0x00, // 事务ID=0
0x00, 0x00, // 协议ID=0Modbus
0x00, (byte)(data.Count) // 长度=单元ID+PDU长度data已包含单元ID+PDU
};
mbapHeader.AddRange(data);
data.Clear();
data.AddRange(mbapHeader);
}
/// <summary>
/// 发送请求并接收响应
/// </summary>
private byte[] SendAndReceive(byte[] request)
{
if (_networkStream == null || !_tcpClient.Connected)
throw new InvalidOperationException("未连接到Modbus TCP服务器");
lock (_lockObj)
{
try
{
// 发送请求
_networkStream.Write(request, 0, request.Length);
// 接收响应先读MBAP头的长度字段再读剩余数据
var headerBuffer = new byte[6]; // MBAP头前6字节事务ID+协议ID+长度)
var bytesRead = _networkStream.Read(headerBuffer, 0, headerBuffer.Length);
if (bytesRead != 6)
throw new Exception("接收MBAP头失败");
// 解析长度字段第5-6字节大端序
var length = (headerBuffer[4] << 8) | headerBuffer[5];
var responseBuffer = new byte[length + 6]; // 总长度=MBAP头(6)+长度字段指定的字节数
Array.Copy(headerBuffer, responseBuffer, 6);
// 读剩余数据
bytesRead = _networkStream.Read(responseBuffer, 6, length);
if (bytesRead != length)
throw new Exception("接收响应数据不完整");
return responseBuffer;
}
catch (Exception ex)
{
throw new Exception($"通信失败:{ex.Message}", ex);
}
}
}
/// <summary>
/// 解析读寄存器响应功能码0x03、0x04
/// </summary>
private List<ushort> ParseReadRegistersResponse(byte[] response, ushort expectedCount)
{
// 响应格式:[MBAP头(7)][单元ID(1)][功能码(1)][字节数(1)][数据(n)]
var dataStartIndex = 7; // MBAP头7字节事务ID2+协议ID2+长度2+单元ID1+ 功能码1重新算
// 实际响应结构MBAP头(7字节) = [事务ID(2),协议ID(2),长度(2),单元ID(1)]标准MBAP头是7字节
// 正确的MBAP头事务ID(2)、协议ID(2)、长度(2)、单元ID(1) → 共7字节。然后PDU是功能码(1)+数据。
// 所以response的结构
// 0-1: 事务ID
// 2-3: 协议ID
// 4-5: 长度(=单元ID+PDU长度
// 6: 单元ID
// 7: 功能码
// 8: 字节数(=n*2n为寄存器数量
// 9~: 数据每个寄存器2字节大端序
if (response[7] != 0x03 && response[7] != 0x04) // 检查功能码(成功时无异常码)
throw new Exception($"Modbus异常功能码={response[7]:X2}");
var byteCount = response[8];
if (byteCount != expectedCount * 2)
throw new Exception($"响应字节数与预期不符:实际={byteCount},预期={expectedCount * 2}");
var registers = new List<ushort>();
for (int i = 0; i < expectedCount; i++)
{
var index = 9 + i * 2;
var highByte = response[index];
var lowByte = response[index + 1];
registers.Add((ushort)((highByte << 8) | lowByte));
}
return registers;
}
/// <summary>
/// 解析读线圈响应功能码0x01
/// </summary>
private List<bool> ParseReadCoilsResponse(byte[] response, ushort expectedCount)
{
if (response[7] != 0x01)
throw new Exception($"Modbus异常功能码={response[7]:X2}");
var byteCount = response[8];
var expectedBytes = (expectedCount + 7) / 8; // 向上取整
if (byteCount != expectedBytes)
throw new Exception($"响应字节数与预期不符:实际={byteCount},预期={expectedBytes}");
var coils = new List<bool>();
for (int i = 0; i < expectedCount; i++)
{
var byteIndex = 9 + i / 8;
var bitIndex = i % 8;
var mask = (byte)(1 << bitIndex);
coils.Add((response[byteIndex] & mask) != 0);
}
return coils;
}
/// <summary>
/// 验证写操作响应(确保从站正确接收)
/// </summary>
private void ValidateWriteResponse(byte[] response, byte functionCode, ushort address, ushort value)
{
if (response[7] != functionCode) // 功能码应与原请求一致(无异常)
throw new Exception($"写操作失败:响应功能码={response[7]:X2}");
// 解析响应中的地址和值(应与请求一致)
var respAddress = (ushort)((response[8] << 8) | response[9]);
var respValue = (ushort)((response[10] << 8) | response[11]);
if (respAddress != address || respValue != value)
throw new Exception($"写操作响应不匹配:地址={respAddress:X4}(预期={address:X4}),值={respValue:X4}(预期={value:X4}");
}
#endregion
#region IDisposable实现
private bool _disposed = false;
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (!_disposed)
{
if (disposing)
{
Disconnect();
}
_disposed = true;
}
}
~ModbusTcpClientHelper()
{
Dispose(false);
}
#endregion
}
}

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@ -1,4 +1,5 @@
using AspNetCoreRateLimit;
using Infrastructure.Helper;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.DataProtection;
using Microsoft.AspNetCore.Mvc;
@ -124,6 +125,15 @@ builder.Services.AddSingleton<SocketGatewayServer>(provider =>
return server;
});
builder.Services.AddSingleton<ModbusTcpClientHelper>(provider =>
{
var modbus = new ModbusTcpClientHelper();
modbus.Connect("192.168.2.22", 9999); // 你可以按需修改 IP 和端口
return modbus;
});
var app = builder.Build();
InternalApp.ServiceProvider = app.Services;
InternalApp.Configuration = builder.Configuration;

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@ -1,6 +1,7 @@

using DOAN.ServiceCore.MyMatchPush;
using Infrastructure;
using Infrastructure.Helper;
using Microsoft.Extensions.Logging;
namespace ZR.Admin.WebApi.background
@ -8,12 +9,14 @@ namespace ZR.Admin.WebApi.background
public class SocketBackgroundService : BackgroundService
{
private readonly SocketGatewayServer _socketGateway;
private readonly ModbusTcpClientHelper _modbusClient;
private readonly ILogger<SocketBackgroundService> _logger;
public SocketBackgroundService(SocketGatewayServer socketGateway, ILogger<SocketBackgroundService> logger)
public SocketBackgroundService(SocketGatewayServer socketGateway, ILogger<SocketBackgroundService> logger, ModbusTcpClientHelper modbusClient)
{
_socketGateway = socketGateway;
_logger = logger;
_modbusClient = modbusClient;
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
@ -22,15 +25,111 @@ namespace ZR.Admin.WebApi.background
{
// 等待服务完全启动
await Task.Delay(1000, stoppingToken);
// 测试Socket推送功能
//var result = Watchup.StartPush("测试Socket推送功能", _socketGateway);
//_logger.LogInformation($"Socket推送测试结果: {result}");
var result = Watchup.StartPush("测试Socket推送功能", _socketGateway);
_logger.LogInformation($"Socket推送测试结果: {result}");
TestLight();
}
catch (Exception ex)
{
_logger.LogError(ex, "Socket推送测试失败");
}
}
private void TestLight()
{
// 2. 定义要读取的寄存器信息(根据您的表格)
const byte UNIT_ID = 0x01; // 从站地址,根据您的指令示例是 01
ushort startAddress = 0x0000; // 起始地址,对应 40001
ushort numberOfRegisters = 12; // 要读取的寄存器数量 (40001 到 40012)
// 3. PLC 下发读指令并获取原始寄存器值列表
Console.WriteLine($"正在读取从站 {UNIT_ID} 的寄存器 {startAddress} 开始的 {numberOfRegisters} 个寄存器...");
List<ushort> registerValues = _modbusClient.ReadHoldingRegisters(UNIT_ID, startAddress, numberOfRegisters);
// 4. 解析警灯返回指令(即解析读取到的寄存器值)
if (registerValues.Count == numberOfRegisters)
{
Console.WriteLine("读取成功,解析数据:");
// 创建一个字典或列表来存储解析后的状态
var lightStatus = new Dictionary<string, ushort>
{
{ "红色", registerValues[0] }, // 40001 -> index 0
{ "绿色", registerValues[1] }, // 40002 -> index 1
{ "黄色", registerValues[2] }, // 40003 -> index 2
{ "蓝色", registerValues[3] }, // 40004 -> index 3
{ "白色", registerValues[4] }, // 40005 -> index 4
{ "备用1", registerValues[5] }, // 40006 -> index 5
{ "备用2", registerValues[6] }, // 40007 -> index 6
{ "备用3", registerValues[7] }, // 40008 -> index 7
{ "备用4", registerValues[8] }, // 40009 -> index 8
{ "备用5", registerValues[9] }, // 40010 -> index 9
{ "蜂鸣器", registerValues[10] }, // 40011 -> index 10
{ "电池电量", registerValues[11] } // 40012 -> index 11
};
// 打印解析结果
foreach (var status in lightStatus)
{
Console.WriteLine($"{status.Key}: {status.Value}");
}
// --- 根据业务逻辑解读状态值 ---
// 示例:假设 0=灭/关, 1=闪烁, 2=常亮 (具体含义需查阅设备手册)
InterpretLightStatus(lightStatus);
}
}
/// <summary>
/// 根据业务逻辑解读灯的状态值(这是一个示例,具体值需参考设备手册)
/// </summary>
static void InterpretLightStatus(Dictionary<string, ushort> status)
{
Console.WriteLine("\n--- 状态解读 (示例) ---");
// 红色
switch (status["红色"])
{
case 0: Console.WriteLine("红色: 灭"); break;
case 1: Console.WriteLine("红色: 0.1S 闪烁"); break; // 根据您之前的例子
default: Console.WriteLine($"红色: 未知状态 ({status[""]})"); break;
}
// 绿色
switch (status["绿色"])
{
case 0: Console.WriteLine("绿色: 灭"); break;
case 10: Console.WriteLine("绿色: 1S 闪烁"); break; // 根据您之前的例子 (10 * 0.1S = 1S)
default: Console.WriteLine($"绿色: 未知状态 ({status["绿"]})"); break;
}
// 黄色
switch (status["黄色"])
{
case 0: Console.WriteLine("黄色: 灭"); break;
case 99: Console.WriteLine("黄色: 常亮"); break; // 根据您之前的例子
default: Console.WriteLine($"黄色: 未知状态 ({status[""]})"); break;
}
// 蓝、白
Console.WriteLine($"蓝色: {(status[""] == 0 ? "" : $"({status["蓝色"]})")}");
Console.WriteLine($"白色: {(status[""] == 0 ? "" : $"({status["白色"]})")}");
// 蜂鸣器
switch (status["蜂鸣器"])
{
case 0: Console.WriteLine("蜂鸣器: 静音"); break;
case 10: Console.WriteLine("蜂鸣器: 1S 蜂鸣"); break; // 根据您之前的例子
default: Console.WriteLine($"蜂鸣器: 未知状态 ({status[""]})"); break;
}
// 电池电量
Console.WriteLine($"电池电量: {status[""]}%"); // 假设寄存器值直接代表百分比
}
}
}
}

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@ -0,0 +1,95 @@
using Infrastructure.Helper;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using static System.Runtime.InteropServices.JavaScript.JSType;
namespace ZR.Service.Utils.MyAlarmLigth
{
/// <summary>
/// 三色灯帮助类
/// </summary>
public class LightUp
{
/// <summary>
/// 读警灯设备站号
/// </summary>
/// <returns>0 没有解析出来</returns>
/// <returns>其他 解析出来设备站号</returns>
public static ushort ReadAlarmlightNumber(ModbusTcpClientHelper _modbusClient)
{
// 2. 定义要读取的寄存器信息(根据您的表格)
const byte UNIT_ID = 0x00; // 从站地址,根据您的指令示例是 01
ushort startAddress = 0x0fa1; // 起始地址,对应
ushort numberOfRegisters = 1; // 要读取的寄存器数量 (40001 到 40012)
// 3. PLC 下发读指令并获取原始寄存器值列表
Console.WriteLine($"正在读取从站{UNIT_ID}广播的寄存器 {startAddress} 开始的 {numberOfRegisters} 个寄存器...");
List<ushort> registerValues = _modbusClient.ReadHoldingRegisters(UNIT_ID, startAddress, numberOfRegisters);
if (registerValues.Count == numberOfRegisters)
{
Console.WriteLine("读取成功,解析数据:");
return registerValues[0];
}
return 0;
}
/// <summary>
/// 向指定的警灯设备写入指令,控制警灯的状态为红色闪烁 且蜂鸣器响
/// </summary>
/// <param name="_modbusClient"></param>
/// <param name="unitId">警灯站号</param>
/// <param name="startAddress"></param>
/// <param name="commandValues"></param>
public static void WriteAlarmLightCommand_Red(ModbusTcpClientHelper _modbusClient, byte unitId )
{
ushort startAddress = 0x0000; // 起始地址,对应
ushort numberOfRegisters = 0x000B; // 要读取的寄存器数量 (40001 到 40012)
List<ushort> commandValues= new List<ushort> { 0x00001, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,0x0000, 0x0000,0x000A }; // 红色闪烁 且蜂鸣器响
// 发送写指令到警灯设备
_modbusClient.WriteMultipleRegisters(unitId, startAddress, commandValues);
Console.WriteLine($"已向从站 {unitId} 的寄存器 {startAddress} 写入指令: {string.Join(", ", commandValues)}");
}
/// <summary>
/// 向指定的警灯设备写入指令,控制警灯的状态为黄色常亮 且蜂鸣器响
/// </summary>
/// <param name="_modbusClient"></param>
/// <param name="unitId">警灯站号</param>
/// <param name="startAddress"></param>
/// <param name="commandValues"></param>
public static void WriteAlarmLightCommand_Yellow(ModbusTcpClientHelper _modbusClient, byte unitId)
{
ushort startAddress = 0x0000; // 起始地址,对应
ushort numberOfRegisters = 0x000B; // 要读取的寄存器数量 (40001 到 40012)
List<ushort> commandValues = new List<ushort> { 0x0000, 0x0000, 0x0063, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x000A }; // 红色闪烁 且蜂鸣器响
// 发送写指令到警灯设备
_modbusClient.WriteMultipleRegisters(unitId, startAddress, commandValues);
Console.WriteLine($"已向从站 {unitId} 的寄存器 {startAddress} 写入指令: {string.Join(", ", commandValues)}");
}
/// <summary>
/// 向指定的警灯设备写入指令,控制警灯的状态为绿灯常亮 且蜂鸣器关闭
/// </summary>
/// <param name="_modbusClient"></param>
/// <param name="unitId">警灯站号</param>
/// <param name="startAddress"></param>
/// <param name="commandValues"></param>
public static void WriteAlarmLightCommand_Normal(ModbusTcpClientHelper _modbusClient, byte unitId)
{
ushort startAddress = 0x0000; // 起始地址,对应
ushort numberOfRegisters = 0x000B; // 要读取的寄存器数量 (40001 到 40012)
List<ushort> commandValues = new List<ushort> { 0x0000, 0x0063, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 }; // 红色闪烁 且蜂鸣器响
// 发送写指令到警灯设备
_modbusClient.WriteMultipleRegisters(unitId, startAddress, commandValues);
Console.WriteLine($"已向从站 {unitId} 的寄存器 {startAddress} 写入指令: {string.Join(", ", commandValues)}");
}
}
}