4C/GummingControl/RS485.cs

using GummingCommon;
using NModbus;
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Ports;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace GummingControl
{
    public class RS485
    {
        private static SerialPort sp;
        public static void CreateLink()
        {            
            if (!Global.IsRelease)
            {
                return;
            }
            if (sp == null)
            {
                sp = new SerialPort();
                sp.PortName = "COM15";
                sp.BaudRate = 9600;
                sp.DataBits = 8;
                sp.StopBits = StopBits.One;
                sp.Parity = Parity.None;
                sp.ReadTimeout = 1000;
                sp.WriteTimeout = 1000;
                sp.Open();
            }
        }
        
        /// <summary>
        /// 
        /// </summary>
        /// <param name="slaveAddress">0</param>
        /// <param name="startAddress">0</param>
        /// <param name="numberOfPoints">0</param>
        /// <returns></returns>
        public static double GetTemprature()
        {           
            if (!Global.IsRelease || sp == null)
            {
                byte[] test = new byte[] { 0X01, 0X02, 0X33, 0X33, 0X30, 0X30, 0X30, 0X03, 0X3D, 0X32, 0X0D };//30.00
                string temp = "";
                for (int i = 3; i < 7; i++)
                {
                    temp = string.Format("{0}{1}", temp, (test[i] - 0X30));
                }
                int realTemp = Convert.ToInt32(temp);
                Global.CurrentCPTemprature = realTemp / 100.00;
                return Global.CurrentCPTemprature;
            }
            try
            {
                byte[] data = new byte[] { 0X01, 0X05, 0X33, 0X03, 0X33, 0X0D };
                sp.Write(data, 0, data.Length);
                Thread.Sleep(1000);
                byte[] buffer = new byte[12];
                int count = sp.Read(buffer, 0, buffer.Length);

                //校验
                string demp = TypeHelper.IntToHex(buffer[3] + buffer[4] + buffer[5] + buffer[6]);
                string value = demp.Length > 1 ? demp.Substring(0, 1) : "0";
                byte check1 = (byte)(0X30 + Convert.ToInt32(value, 16));
                value = demp.Length > 1 ? demp.Substring(1, 1) : "0";
                byte check2 = (byte)(0X30 + Convert.ToInt32(value, 16));
                if (check1 != buffer[8] || check2 != buffer[9])
                {
                    return -1;
                }
                string temp = "";
                for (int i = 3; i < 7; i++)
                {
                    temp = string.Format("{0}{1}", temp, (buffer[i] >= 0X30 ? buffer[i] - 0X30 : 0));
                }
                int realTemp = Convert.ToInt32(temp);
                Global.CurrentCPTemprature = realTemp / 100.00;
                return Global.CurrentCPTemprature;
            }
            catch
            {
                CreateLink();
                return -1;
            }
        }

        public static bool SetTemprature(double temp)
        {
            if (!Global.IsRelease || sp == null)
            {
                return true;
            }
            try
            {
                byte[] data = new byte[] { 0X01, 0X02, 0X31, 0X33, 0X34, 0X35, 0X36, 0X03, 0X3D, 0X32, 0X0D };
                string demp = temp.ToString("00.00");
                string value = demp.Substring(0, 1);
                data[3] = (byte)(0X30 + Convert.ToByte(value));
                value = demp.Substring(1, 1);
                data[4] = (byte)(0X30 + Convert.ToByte(value));
                value = demp.Substring(3, 1);
                data[5] = (byte)(0X30 + Convert.ToByte(value));
                value = demp.Substring(4, 1);
                data[6] = (byte)(0X30 + Convert.ToByte(value));
               
                demp = TypeHelper.IntToHex(data[3] + data[4] + data[5] + data[6]);
                value = demp.Substring(0, 1);
                data[8] = (byte)(0X30 + Convert.ToInt32(value, 16));
                value = demp.Substring(1, 1);
                data[9] = (byte)(0X30 + Convert.ToInt32(value, 16));

                sp.Write(data, 0, data.Length);
                Thread.Sleep(1000);
                byte[] buffer = new byte[3];//0X01 0X06 0X0D
                int count = sp.Read(buffer, 0, buffer.Length);
                string result = "";
                for (int i = 0; i < 3; i++)
                {
                    result = string.Format("{0}{1}", result, buffer[i]);
                }
                int realTemp = Convert.ToInt32(result);

                return realTemp == 1613;
            }
            catch
            {
                CreateLink();
                return false;
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="slaveAddress">0</param>
        /// <param name="startAddress">0</param>
        /// <param name="numberOfPoints">0</param>
        /// <returns></returns>
        public static int GetWarning()
        {
            if (!Global.IsRelease || sp == null)
            {
                byte[] test = new byte[] { 0X01, 0X02, 0X34, 0X30, 0X30, 0X30, 0X30, 0X03, 0X3C, 0X30, 0X0D };
                string temp = "";
                for (int i = 3; i < 7; i++)
                {
                    temp = string.Format("{0}{1}", temp, (test[i] - 0X30));
                }
                int realTemp = Convert.ToInt32(temp);
                return realTemp;
            }
            {
                byte[] data = new byte[] { 0X01, 0X05, 0X34, 0X03, 0X34, 0X0D };
                sp.Write(data, 0, data.Length);
                Thread.Sleep(1000);
                byte[] buffer = new byte[12];
                int count = sp.Read(buffer, 0, buffer.Length);
                //校验
                string demp = TypeHelper.IntToHex(buffer[3] + buffer[4] + buffer[5] + buffer[6]);
                string value = demp.Length > 1 ? demp.Substring(0, 1) : "0";
                byte check1 = (byte)(0X30 + Convert.ToInt32(value, 16));
                value = demp.Length > 1 ? demp.Substring(1, 1) : "0";
                byte check2 = (byte)(0X30 + Convert.ToInt32(value, 16));
                if (check1 != buffer[8] || check2 != buffer[9])
                {
                    return -1;
                }

                string temp = "";
                for (int i = 3; i < 7; i++)
                {
                    temp = string.Format("{0}{1}", temp, (buffer[i] >= 0X30 ? buffer[i] - 0X30 : 0));
                }
                int realTemp = Convert.ToInt32(temp);               
                return realTemp;
            }
        }
        public static bool SetStart()
        {
            if (!Global.IsRelease)
            {
                return true;
            }
            byte[] data = new byte[] { 0X01, 0X02, 0X39, 0X30, 0X30, 0X30, 0X31, 0X03, 0X3C, 0X31, 0X0D };
            sp.Write(data, 0, data.Length);
            Thread.Sleep(1000);
            byte[] buffer = new byte[3];//0X01 0X06 0X0D
            int count = sp.Read(buffer, 0, buffer.Length);

            string temp = "";
            for (int i = 0; i < 3; i++)
            {
                temp = string.Format("{0}{1}", temp, buffer[i]);
            }
            int realTemp = Convert.ToInt32(temp);
            return realTemp == 1613;
        }

    }
}