Preventing upload and serial monitor on not (yet) available boards

Author: Federico Fissore

app/src/processing/app/Editor.java

@@ -2512,6 +2512,12 @@ public void handleSerial() {
     }
 
     BoardPort port = Base.getDiscoveryManager().find(Preferences.get("serial.port"));
+
+    if (port == null) {
+      statusError(I18n.format("Board at {0} is not available", Preferences.get("serial.port")));
+      return;
+    }
+
     serialMonitor = new UploaderAndMonitorFactory().newMonitor(port, base);
     serialMonitor.setIconImage(getIconImage());
 

app/src/processing/app/Sketch.java

@@ -1670,6 +1670,11 @@ protected boolean upload(String buildPath, String suggestedClassName, boolean us
 
     BoardPort boardPort = Base.getDiscoveryManager().find(Preferences.get("serial.port"));
 
+    if (boardPort == null) {
+      editor.statusError(I18n.format("Board at {0} is not available", Preferences.get("serial.port")));
+      return false;
+    }
+
     Uploader uploader = new UploaderAndMonitorFactory().newUploader(target.getBoards().get(board), boardPort);
 
     boolean success = false;