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111 lines
2.4 KiB
111 lines
2.4 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 JST2018SDataFormat : DataFormatBase
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{
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public override int DataLength
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{
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get { return 8; }
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}
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public override char Beginchar
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{
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get { return (char)0xFF; }
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}
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public override char Endchar
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{
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get { return (char)0x37; }
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}
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public override short Bufsize
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{
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get { return 8; }
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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)(0x07 & buf[1]) - 1;
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weight = CharTo16(buf[2]) + CharTo16(buf[3]) + CharTo16(buf[4]);
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weight = new string(weight.Reverse().ToArray());
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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[5] == 0x01)
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{
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weight = (Convert.ToDecimal(weight) / 1000).ToString("#0.0000");
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}
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if ((buf[1] & 0x20) == 1)
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weight = "-" + weight;
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return weight;
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}
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string CharTo16(char c)
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{
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return ((int)c).ToString("x2");
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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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public override string FindDataFrame(string buf, int fSize)
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{
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var bufSize = buf.Length;
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if (fSize > bufSize)
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{
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return string.Empty;
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}
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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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return data;
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}
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private static string InsertDot(string weight, int dotBits)
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{
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var rst = weight.Insert(weight.Length - dotBits, ".").Trim('0');
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if (rst.StartsWith("."))
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rst = "0" + rst;
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return rst;
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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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weight = "";
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isStatic = false;
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subStr = "";
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return false;
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}
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}
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}
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