42 lines
1.6 KiB
C#
42 lines
1.6 KiB
C#
using System.Text;
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namespace Sick.ColaB.Commands;
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/// <summary>
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/// Command to write a value to the scanner (sWN - Write by Name)
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/// </summary>
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public sealed class WriteCommand(string variableName, string value) : CommandBase($"sWN {variableName} {value}")
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{
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public string VariableName { get; } = variableName;
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public string Value { get; } = value;
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public override bool ProcessReply(ReadOnlyMemory<byte> replyData)
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{
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// Parse reply: "sWA <variableName>" (Write Acknowledge), "sEA <eventName> <value>" (Event Acknowledge), "sAN <methodName> <result>" (Answer), or "sFA <errorCode>" (Error)
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var replyString = Encoding.ASCII.GetString(replyData.Span);
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// Check if reply starts with "sFA" (Error) - this indicates command failed
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if (replyString.StartsWith("sFA", StringComparison.Ordinal))
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{
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// Extract error code if present
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var parts = replyString.Split(' ', StringSplitOptions.RemoveEmptyEntries);
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var errorInfo = parts.Length > 1 ? $" (error code: {string.Join(" ", parts.Skip(1))})" : "";
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WasSuccessful = false;
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return false;
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}
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// Check if reply starts with "sWA" (Write Acknowledge), "sEA" (Event Acknowledge), or "sAN" (Answer)
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if (replyString.StartsWith("sWA", StringComparison.Ordinal) ||
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replyString.StartsWith("sEA", StringComparison.Ordinal) ||
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replyString.StartsWith("sAN", StringComparison.Ordinal))
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{
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WasSuccessful = true;
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return true;
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}
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WasSuccessful = false;
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return false;
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}
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}
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