using EasyModbus;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace HH.WCS.NongFuChaYuan.DeviceService
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{
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internal class ModbusHelper
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{
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private Dictionary<string, ModbusClient> clients = new Dictionary<string, ModbusClient>();
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/// <summary>
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/// 读线圈
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/// </summary>
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/// <param name="address"></param>
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/// <param name="qty"></param>
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/// <param name="ip"></param>
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/// <param name="port"></param>
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/// <returns></returns>
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internal bool[] ReadCoils(int address, int qty, string ip, int port = 502) {
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bool[] res = new bool[0];
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var client = GetClient(ip, port);
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if (client != null && client.Connected) {
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try {
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res = client.ReadCoils(address, qty);
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}
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catch (Exception ex) {
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LogHelper.Error(ex.Message, ex);
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}
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}
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return res;
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}
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/// <summary>
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/// 读离散输入
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/// </summary>
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/// <param name="address"></param>
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/// <param name="qty"></param>
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/// <param name="ip"></param>
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/// <param name="port"></param>
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/// <returns></returns>
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internal bool[] ReadDiscreteInputs(int address, int qty, string ip, int port = 502) {
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bool[] res = new bool[0];
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var client = GetClient(ip, port);
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if (client != null && client.Connected) {
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try {
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res = client.ReadDiscreteInputs(address, qty);
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}
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catch (Exception ex) {
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LogHelper.Error(ex.Message, ex);
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}
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}
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return res;
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}
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/// <summary>
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/// 读保持寄存器
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/// </summary>
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/// <param name="address"></param>
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/// <param name="qty"></param>
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/// <param name="ip"></param>
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/// <param name="port"></param>
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/// <returns></returns>
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internal int[] ReadHoldingRegisters(int address, int qty, string ip, int port = 502) {
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int[] res = new int[0];
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var client = GetClient(ip, port);
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if (client != null && client.Connected) {
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try {
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res = client.ReadHoldingRegisters(address, qty);
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}
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catch (Exception ex) {
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LogHelper.Error(ex.Message, ex);
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}
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}
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return res;
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}
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/// <summary>
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/// 读输入寄存器
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/// </summary>
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/// <param name="address"></param>
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/// <param name="qty"></param>
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/// <param name="ip"></param>
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/// <param name="port"></param>
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/// <returns></returns>
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internal int[] ReadInputRegisters(int address, int qty, string ip, int port = 502) {
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int[] res = new int[0];
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var client = GetClient(ip, port);
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if (client != null && client.Connected) {
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try {
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res = client.ReadInputRegisters(address, qty);
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}
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catch (Exception ex) {
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LogHelper.Error(ex.Message, ex);
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}
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}
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return res;
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}
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/// <summary>
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/// 写单个线圈
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/// </summary>
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/// <param name="address"></param>
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/// <param name="value"></param>
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/// <param name="ip"></param>
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/// <param name="port"></param>
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internal bool WriteSingleCoil(int address, bool value, string ip, int port = 502) {
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var res = false;
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var client = GetClient(ip, port);
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if (client != null && client.Connected) {
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try {
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client.WriteSingleCoil(address, value);
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res = true;
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}
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catch (Exception ex) {
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LogHelper.Error(ex.Message, ex);
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}
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}
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return res;
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}
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/// <summary>
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/// 写多个线圈
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/// </summary>
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/// <param name="address"></param>
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/// <param name="values"></param>
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/// <param name="ip"></param>
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/// <param name="port"></param>
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internal bool WriteMultipleCoils(int address, bool[] values, string ip, int port = 502) {
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var res = false;
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var client = GetClient(ip, port);
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if (client != null && client.Connected) {
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try {
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client.WriteMultipleCoils(address, values);
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res = true;
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}
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catch (Exception ex) {
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LogHelper.Error(ex.Message, ex);
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}
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}
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return res;
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}
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/// <summary>
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/// 写单个寄存器
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/// </summary>
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/// <param name="address"></param>
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/// <param name="value"></param>
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/// <param name="ip"></param>
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/// <param name="port"></param>
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internal bool WriteSingleRegister(int address, int value, string ip, int port = 502) {
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var res = false;
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var client = GetClient(ip, port);
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if (client != null && client.Connected) {
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try {
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client.WriteSingleRegister(address, value);
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res = true;
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}
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catch (Exception ex) {
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LogHelper.Error(ex.Message, ex);
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}
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}
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return res;
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}
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/// <summary>
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/// 写多个寄存器
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/// </summary>
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/// <param name="address"></param>
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/// <param name="values"></param>
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/// <param name="ip"></param>
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/// <param name="port"></param>
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internal bool WriteMultipleRegisters(int address, int[] values, string ip, int port = 502) {
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var res = false;
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var client = GetClient(ip, port);
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if (client != null && client.Connected) {
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try {
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client.WriteMultipleRegisters(address, values);
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res = true;
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}
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catch (Exception ex) {
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LogHelper.Error(ex.Message, ex);
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}
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}
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return res;
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}
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private ModbusClient GetClient(string ip, int port) {
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ModbusClient client = null;
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if (!clients.ContainsKey(ip)) {
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client = new ModbusClient(ip, port);
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try {
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client.Connect();
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clients[ip] = client;
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}
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catch (Exception ex) {
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LogHelper.Error(ex.Message, ex);
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}
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}
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else {
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if (clients[ip].Connected) {
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try {
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clients[ip].Connect();
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client = clients[ip];
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}
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catch (Exception ex) {
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LogHelper.Error(ex.Message, ex);
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}
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}
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else {
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client = clients[ip];
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}
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}
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return client;
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}
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}
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public class EasyModbusHelper
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{
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private static ModbusHelper ModbusHelper = new ModbusHelper();
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public static void WriteOrRead()
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{
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//ModbusClient tcp = new ModbusClient("", 502);//TCP模式连接
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//ModbusClient rtu = new ModbusClient("COM1");//RTU模式连接
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//rtu.UnitIdentifier = 1;//设备ID
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//rtu.Baudrate = 9600;//波特率
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//rtu.Parity = System.IO.Ports.Parity.None;//奇偶校验位
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////rtu.StopBits = System.IO.Ports.StopBits.One;//停止位
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//rtu.ConnectionTimeout = 500;
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//rtu.Connect();
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int[] readHoldingRegisters = ModbusHelper.ReadHoldingRegisters(0, 2, "127.0.0.1");
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//Console.WriteLine($"read:{JsonConvert.SerializeObject(readHoldingRegisters)}");
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ModbusHelper.WriteMultipleRegisters(2, new int[1] { 9 }, "127.0.0.1");
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}
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}
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}
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