[#74] Weighing: Try to reconnect tcp scales on first error

2026-02-25 10:57:44 +01:00
parent b58dee6d3f
commit 1108427023
3 changed files with 33 additions and 7 deletions
@@ -53,9 +53,16 @@ namespace Elwig.Helpers.Weighing {
            return line[1..^1];
        }

-        protected async Task<WeighingResult> Weigh(bool incIdentNr) {
-            await SendCommand(incIdentNr ? '\x05' : '?');
-            string record = await ReceiveResponse();
+        protected async Task<WeighingResult> Weigh(bool incIdentNr, bool retry = true) {
+            string record;
+            try {
+                await SendCommand(incIdentNr ? '\x05' : '?');
+                record = await ReceiveResponse();
+            } catch (IOException) {
+                if (!retry || Tcp == null) throw;
+                ReconnectTcp();
+                return await Weigh(incIdentNr, false);
+            }
            if (record.Length != 45)
                throw new FormatException("Invalid response from scale: Received record has invalid size");
            var line = record[2..];