118 lines
3.8 KiB
C#
118 lines
3.8 KiB
C#
#region copyright
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//------------------------------------------------------------------------------
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// 此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
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// 此代码版权（除特别声明外的代码）归作者本人Diego所有
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// 源代码使用协议遵循本仓库的开源协议及附加协议
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// Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
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// Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
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// 使用文档：https://diego2098.gitee.io/thingsgateway-docs/
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// QQ群：605534569
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//------------------------------------------------------------------------------
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#endregion
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using System.Text;
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using ThingsGateway.Foundation.Extension.Generic;
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namespace ThingsGateway.Foundation.Adapter.DLT645;
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/// <summary>
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/// DLT645_2007
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/// </summary>
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public class DLT645_2007BitConverter : ThingsGatewayBitConverter
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{
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/// <summary>
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/// DLT645_2007
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/// </summary>
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public DLT645_2007BitConverter(EndianType endianType) : base(endianType)
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{
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}
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/// <summary>
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/// DLT645协议转换double
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/// </summary>
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/// <param name="buffer">带数据项标识</param>
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/// <param name="offset"></param>
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/// <returns></returns>
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public override double ToDouble(byte[] buffer, int offset)
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{
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return Convert.ToDouble(this.ToString(buffer, offset, buffer.Length));
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}
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/// <inheritdoc/>
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public override IThingsGatewayBitConverter CopyNew()
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{
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return new DLT645_2007BitConverter(EndianType)
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{
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DataFormat = DataFormat,
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BcdFormat = BcdFormat,
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Encoding = Encoding,
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IsStringReverseByteWord = IsStringReverseByteWord,
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Length = Length,
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};
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}
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/// <inheritdoc/>
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public override string ToString(byte[] buffer)
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{
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return this.ToString(buffer, 0, buffer.Length);
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}
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/// <inheritdoc/>
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public override string ToString(byte[] buffer, int offset, int length)
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{
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buffer = buffer.RemoveBegin(offset);
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buffer = buffer.BytesAdd(-0x33);
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var dataInfos = DLT645Helper.GetDataInfos(buffer);
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StringBuilder stringBuilder = new();
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foreach (var dataInfo in dataInfos)
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{
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//实际数据
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var content = buffer.SelectMiddle(4, dataInfo.ByteLength).Reverse().ToArray();
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if (dataInfo.IsSigned)//可能为负数
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{
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if (content[0] > 0x80)//最高位是表示正负
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{
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content[0] = (byte)(content[0] - 0x80);
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if (dataInfo.Digtal == 0)//无小数点
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{
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stringBuilder.Append($"-{content.ToHexString()}");
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}
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else
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{
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stringBuilder.Append((-(Convert.ToDouble(content.ToHexString()) / Math.Pow(10.0, dataInfo.Digtal))).ToString());
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}
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}
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else
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{
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ToString(stringBuilder, dataInfo, content);
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}
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}
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else
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{
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ToString(stringBuilder, dataInfo, content);
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}
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}
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return stringBuilder.ToString();
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static void ToString(StringBuilder stringBuilder, DataInfo dataInfo, byte[] content)
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{
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if (dataInfo.Digtal < 0)
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{
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stringBuilder.Append($"{Encoding.ASCII.GetString(content)}");
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}
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else if (dataInfo.Digtal == 0)//无小数点
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{
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stringBuilder.Append($"{content.ToHexString()}");
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}
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else
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{
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stringBuilder.Append(((Convert.ToDouble(content.ToHexString()) / Math.Pow(10.0, dataInfo.Digtal))).ToString());
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}
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}
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}
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}
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