Add pressure visual modes and breakout game

src/serial_core/error.rs

@@ -9,6 +9,8 @@ pub enum SerialError {
     AlreadyConnected,
     StateError,
     NoRecordedData,
+    ExportError,
+    ImportError,
 }
 
 impl fmt::Display for SerialError {
@@ -21,6 +23,8 @@ impl fmt::Display for SerialError {
             SerialError::AlreadyConnected => write!(f, "Already Connected"),
             SerialError::StateError => write!(f, "State Error"),
             SerialError::NoRecordedData => write!(f, "No Recorded Data"),
+            SerialError::ExportError => write!(f, "Export Error"),
+            SerialError::ImportError => write!(f, "Import Error"),
         }
     }
 }