set code table

lib/src/printer.dart

@@ -21,6 +21,7 @@ class Printer {
   }
 
   final Socket _socket;
+  PosCodeTable _codeTable = PosCodeTable.pc437;
 
   /// Creates a new socket connection to the network printer.
   ///
@@ -41,6 +42,15 @@ class Printer {
     _socket.destroy();
   }
 
+  void setCodeTable(PosCodeTable codeTable) {
+    _codeTable = codeTable;
+    _socket.add(
+      Uint8List.fromList(
+        List.from(cCodeTable.codeUnits)..add(codeTable.value),
+      ),
+    );
+  }
+
   /// Generic print for internal use
   ///
   /// [colInd] range: 0..11
@@ -136,6 +146,7 @@ class Printer {
   /// Clear the buffer and reset text styles
   void reset() {
     _socket.write(cInit);
+    setCodeTable(_codeTable);
   }
 
   /// Skips [n] lines