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136 lines
2.9 KiB
136 lines
2.9 KiB
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 ButcherFactory.Controls
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{
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internal class Xk3190A9DataFormat : DataFormatBase
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{
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public override int DataLength
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{
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get { return 12; }
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}
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public override char Beginchar
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{
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get { return (char)0x02; }
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}
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public override char Endchar
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{
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get { return (char)0x03; }
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}
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public override short Bufsize
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{
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get { return 36; }
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}
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public override string ParseData(string buf, out bool isStatic)
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{
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string weight;
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// 小数位数0-4
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int dot = (short)(0x0F & buf[8]);
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weight = buf.Substring(2, 6).Trim();
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// insert dot
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weight = InsertDot(weight, dot);
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isStatic = true; // 默认 为 稳定
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// buffer[1] 符号位
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if (buf[1] == '-')
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{
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weight = weight.Insert(0, "-");
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}
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return weight;
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}
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public override bool ParseAscii(string buf, out string weight, out bool isStatic)
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{
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isStatic = false;
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weight = FindDataFrame(buf, DataLength);
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if (string.IsNullOrEmpty(weight))
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{
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return false;
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}
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weight = ParseData(weight, out isStatic);
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return true;
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}
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private static string InsertDot(string weight, int dotBits)
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{
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string str = weight.TrimStart(new[] {
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'0'
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});
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str = str.Trim();
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if (dotBits > 0)
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{
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//str = str.Insert(str.Length - dotBits, ".");
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if (string.IsNullOrEmpty(str))
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{
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str = "0";
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str = str.Insert(str.Length, ".");
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for (int i = 0; i < dotBits; i++)
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{
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str = str.Insert(str.Length, "0");
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}
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}
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else
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str = str.Insert(str.Length - dotBits, ".");
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}
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if (str.IndexOf(".") == 0)
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{
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str = str.Insert(0, "0");
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}
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return str;
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}
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public override bool ParseAscii(string buf, out string weight, out bool isStatic, out string subStr)
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{
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isStatic = false;
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weight = FindDataFrame(buf, DataLength, out subStr);
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if (string.IsNullOrEmpty(weight))
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{
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return false;
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}
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weight = ParseData(weight, out isStatic);
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return true;
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}
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// 根据开始字符找出 一个完整的数据帧
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public string FindDataFrame(string buf, int fSize, out string subStr)
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{
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var bufSize = buf.Length;
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subStr = "";
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int index = buf.IndexOf(Beginchar); // 查找开始字符的索引
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if (index < 0 || (index + fSize) > bufSize)
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{
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return string.Empty;
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}
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string data = buf.Substring(index, fSize);
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subStr = buf.Substring(index + fSize);
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// 检查结束字符
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if (data[fSize - 1] != Endchar)
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{
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return string.Empty;
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}
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return data;
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}
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}
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}
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