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diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/tests/mbed/freopen/TextDisplay.h b/tmk_core/tool/mbed/mbed-sdk/libraries/tests/mbed/freopen/TextDisplay.h
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+++ b/tmk_core/tool/mbed/mbed-sdk/libraries/tests/mbed/freopen/TextDisplay.h
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+/* mbed TextDisplay Library Base Class
+ * Copyright (c) 2007-2009 sford
+ * Released under the MIT License: http://mbed.org/license/mit
+ *
+ * A common base class for Text displays
+ * To port a new display, derive from this class and implement
+ * the constructor (setup the display), character (put a character
+ * at a location), rows and columns (number of rows/cols) functions.
+ * Everything else (locate, printf, putc, cls) will come for free
+ *
+ * The model is the display will wrap at the right and bottom, so you can
+ * keep writing and will always get valid characters. The location is
+ * maintained internally to the class to make this easy
+ */
+
+#ifndef MBED_TEXTDISPLAY_H
+#define MBED_TEXTDISPLAY_H
+
+#include "mbed.h"
+
+class TextDisplay : public Stream {
+public:
+
+    // functions needing implementation in derived implementation class
+    TextDisplay(const char *name = NULL);
+    virtual void character(int column, int row, int c) = 0;
+    virtual int rows() = 0;
+    virtual int columns() = 0;
+
+    // functions that come for free, but can be overwritten
+    virtual void cls();
+    virtual void locate(int column, int row);
+    virtual void foreground(int colour);
+    virtual void background(int colour);
+    // putc (from Stream)
+    // printf (from Stream)
+
+protected:
+
+    virtual int _putc(int value);
+    virtual int _getc();
+
+    // character location
+    short _column;
+    short _row;
+
+    // colours
+    int _foreground;
+    int _background;
+};
+
+#endif