Add character type to static typing.

blockly/core/static_typing.js

@@ -2,8 +2,7 @@
  * @license Licensed under the Apache License, Version 2.0 (the "License"):
  *          http://www.apache.org/licenses/LICENSE-2.0
  *
- * @fileoverview 
- *
+ * @fileoverview Functions to implement types into blocks.
  *
  */
 'use strict';
@@ -35,6 +34,7 @@ Blockly.StaticTyping.blocklyType = {
   UNSPECIFIED: 'Unspecified',
   NULL: 'Null',
   TEXT: 'Text',
+  CHARACTER: 'Character',
   BOOLEAN: 'Boolean',
   NUMBER: 'Number',
   INTEGER: 'Integer',

blockly/generators/arduino.js

@@ -305,6 +305,8 @@ Blockly.Arduino.getArduinoType_ = function(typeBlockly) {
       return 'float';
     case Blockly.StaticTyping.blocklyType.TEXT:
       return 'String';
+    case Blockly.StaticTyping.blocklyType.CHARACTER:
+      return 'char';
     case Blockly.StaticTyping.blocklyType.BOOLEAN:
       return 'boolean';
     case Blockly.StaticTyping.blocklyType.ERROR: