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[#71] Weighing: Fix reconnection behaviour when COM port is connected/disconnected
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Lorenz Stechauner
2026-01-03 16:22:37 +01:00
parent c45800099c
commit 5c14c06c1d
12 changed files with 131 additions and 73 deletions
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8
Elwig/Helpers/Weighing/GassnerScale.cs
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@@ -36,7 +36,7 @@ namespace Elwig.Helpers.Weighing {
var line = await Reader.ReadUntilAsync('\x03');
if (LogPath != null) await File.AppendAllTextAsync(LogPath, $"{line}\r\n");
if (line == null || line.Length < 4 || !line.StartsWith('\x02')) {
throw new IOException("Invalid response from scale");
throw new FormatException("Invalid response from scale");
}
var status = line[1..3];
@@ -45,9 +45,9 @@ namespace Elwig.Helpers.Weighing {
switch (status[1]) {
case 'M': msg = "Waage in Bewegung"; break;
}
throw new IOException($"Waagenfehler {status}: {msg}");
throw new WeighingException($"Waagenfehler {status}: {msg}");
} else if (status[0] != ' ') {
throw new IOException($"Invalid response from scale (error code {status})");
throw new WeighingException($"Invalid response from scale (error code {status})");
}
return line[1..^1];
@@ -57,7 +57,7 @@ namespace Elwig.Helpers.Weighing {
await SendCommand(incIdentNr ? '\x05' : '?');
string record = await ReceiveResponse();
if (record.Length != 45)
throw new IOException("Invalid response from scale: Received record has invalid size");
throw new FormatException("Invalid response from scale: Received record has invalid size");
var line = record[2..];
var brutto = line[ 0.. 7].Trim();