From 49a9561625b2b324d7efe2030b7794b3db448d5e Mon Sep 17 00:00:00 2001
From: Jaime van Kessel <nallath@gmail.com>
Date: Mon, 8 Apr 2019 17:43:03 +0200
Subject: [PATCH] Added exception handling for serial write

---
 plugins/USBPrinting/USBPrinterOutputDevice.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/plugins/USBPrinting/USBPrinterOutputDevice.py b/plugins/USBPrinting/USBPrinterOutputDevice.py
index 667a969e87..6ce042f32d 100644
--- a/plugins/USBPrinting/USBPrinterOutputDevice.py
+++ b/plugins/USBPrinting/USBPrinterOutputDevice.py
@@ -226,6 +226,9 @@ class USBPrinterOutputDevice(PrinterOutputDevice):
         except SerialTimeoutException:
             Logger.log("w", "Timeout when sending command to printer via USB.")
             self._command_received.set()
+        except SerialException:
+            Logger.logException("w", "An unexpected exception occurred while writing to the serial.")
+            self.setConnectionState(ConnectionState.Error)
 
     def _update(self):
         while self._connection_state == ConnectionState.Connected and self._serial is not None: