45 lines
1.4 KiB
C#
45 lines
1.4 KiB
C#
using PCHMI;
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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.Security.Cryptography;
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using System.Text;
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using System.Threading.Tasks;
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using static System.Net.Mime.MediaTypeNames;
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namespace CowainHmi
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{
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public class StringHelper
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{
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/// <summary>
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/// 写西门子字符串
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/// </summary>
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public static void SendSiemensString(int pid, string address, byte maxLen, string val)
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{
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var addr = new VAR().GADDR(pid, address); //获取真实地址
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string text = addr.Substring(0, 1);
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int num8;
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if (addr.Substring(0, 2) == "DB")
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{
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string[] array2 = addr.Split(new char[] { '.' });
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text = array2[0] + ".";
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num8 = Convert.ToInt32(array2[1]);
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}
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else
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{
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num8 = Convert.ToInt32(addr.Substring(1, addr.Length - 1));
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}
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ushort result = BitConverter.ToUInt16(new byte[]
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{
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(byte)new PClass().GetLength(val), //实际字符串长度
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maxLen //最大字符串长度
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}, 0);
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PCHMI.RT.SEND_UINT16(pid, addr, result); //把最大字符串长度，实际字符串长度发送给PLC
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DCON.Send_Control(pid, text + (num8 + 2).ToString(), "字符串写入", val);
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}
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}
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}
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