diff --git a/Libraries/u8glib/u8g_circle.c b/Libraries/u8glib/u8g_circle.c
new file mode 100644
--- /dev/null
+++ b/Libraries/u8glib/u8g_circle.c
@@ -0,0 +1,382 @@
+/*
+
+  u8g_circle.c
+
+  Utility to draw empty and filled circles.
+  
+  Universal 8bit Graphics Library
+  
+  Copyright (c) 2011, bjthom@gmail.com
+  u8g_DrawCircle & u8g_DrawDisc by olikraus@gmail.com
+  
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without modification, 
+  are permitted provided that the following conditions are met:
+
+  * Redistributions of source code must retain the above copyright notice, this list 
+    of conditions and the following disclaimer.
+    
+  * Redistributions in binary form must reproduce the above copyright notice, this 
+    list of conditions and the following disclaimer in the documentation and/or other 
+    materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
+  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
+  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
+  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
+  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
+  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
+  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
+  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
+  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
+  
+  Addition to the U8G Library 02/25/12
+  
+  
+*/
+
+#include "u8g.h"
+
+#ifdef OLD_CODE
+
+void circ_upperRight(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t x0, u8g_uint_t y0) {
+  u8g_DrawPixel(u8g, x0 + x, y0 - y);
+  u8g_DrawPixel(u8g, x0 + y, y0 - x);
+}
+		
+void circ_upperLeft(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t x0, u8g_uint_t y0) {
+  u8g_DrawPixel(u8g, x0 - x, y0 - y);
+  u8g_DrawPixel(u8g, x0 - y, y0 - x);
+}
+		
+void circ_lowerRight(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t x0, u8g_uint_t y0) {
+  u8g_DrawPixel(u8g, x0 + x, y0 + y);
+  u8g_DrawPixel(u8g, x0 + y, y0 + x);
+}
+		
+void circ_lowerLeft(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t x0, u8g_uint_t y0) {
+  u8g_DrawPixel(u8g, x0 - x, y0 + y);
+  u8g_DrawPixel(u8g, x0 - y, y0 + x);
+}
+			
+void circ_all(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t x0, u8g_uint_t y0) {
+  circ_upperRight(u8g, x, y, x0, y0);
+  circ_upperLeft(u8g, x, y, x0, y0);
+  circ_lowerRight(u8g, x, y, x0, y0);
+  circ_lowerLeft(u8g, x, y, x0, y0);
+}
+
+void u8g_DrawEmpCirc(u8g_t *u8g, u8g_uint_t x0, u8g_uint_t y0, u8g_uint_t rad, uint8_t option)
+{
+  if ( u8g_IsBBXIntersection(u8g, x0-rad-1, y0-rad-1, 2*rad+1, 2*rad+1) == 0)
+    return;
+
+  int f = 1 - rad;
+  int ddF_x = 1;
+  int ddF_y = -2*rad;
+  uint8_t x = 0;
+  uint8_t y = rad;
+
+  void ( *circ_util )(u8g_t *, u8g_uint_t, u8g_uint_t, u8g_uint_t, u8g_uint_t);
+  
+  switch (option)
+  {
+	case U8G_CIRC_UPPER_RIGHT:
+		u8g_DrawPixel(u8g, x0, y0 - rad);
+		u8g_DrawPixel(u8g, x0 + rad, y0);
+		circ_util = circ_upperRight;
+		break;
+	case U8G_CIRC_UPPER_LEFT:
+		u8g_DrawPixel(u8g, x0, y0 - rad);
+		u8g_DrawPixel(u8g, x0 - rad, y0);
+		circ_util = circ_upperLeft;
+		break;
+	case U8G_CIRC_LOWER_RIGHT:
+		u8g_DrawPixel(u8g, x0, y0 + rad);
+		u8g_DrawPixel(u8g, x0 + rad, y0);
+		circ_util = circ_lowerRight;
+		break;
+	case U8G_CIRC_LOWER_LEFT:
+		u8g_DrawPixel(u8g, x0, y0 + rad);
+		u8g_DrawPixel(u8g, x0 - rad, y0);
+		circ_util = circ_lowerLeft;
+		break;
+        default:
+	case U8G_CIRC_ALL:
+		u8g_DrawPixel(u8g, x0, y0 + rad);
+		u8g_DrawPixel(u8g, x0, y0 - rad);
+		u8g_DrawPixel(u8g, x0 + rad, y0);
+		u8g_DrawPixel(u8g, x0 - rad, y0);
+		circ_util = circ_all;
+		break;
+  }
+  
+  while( x < y )
+  {
+    if(f >= 0) 
+    {
+      y--;
+      ddF_y += 2;
+      f += ddF_y;
+    }
+    x++;
+    ddF_x += 2;
+    f += ddF_x;
+    
+    circ_util(u8g, x, y, x0, y0);
+  }
+}
+
+
+void u8g_DrawFillCirc(u8g_t *u8g, u8g_uint_t x0, u8g_uint_t y0, u8g_uint_t rad, uint8_t option)
+{
+  if ( u8g_IsBBXIntersection(u8g, x0-rad-1, y0-rad-1, 2*rad+1, 2*rad+1) == 0)
+    return;
+
+  int f = 1 - rad;
+  int ddF_x = 1;
+  int ddF_y = -2*rad;
+  uint8_t x = 0;
+  uint8_t y = rad;
+  
+  // Draw vertical diameter at the horiz. center
+  // u8g_DrawVLine(u8g, x0, y0 - rad, 2*rad+1);
+
+  if (option == U8G_CIRC_UPPER_LEFT || option == U8G_CIRC_UPPER_RIGHT) {
+	u8g_DrawVLine(u8g, x0, y0 - rad, rad+1);
+  }
+  else if (option == U8G_CIRC_LOWER_LEFT || option == U8G_CIRC_LOWER_RIGHT) {
+	u8g_DrawVLine(u8g, x0, y0, rad+1);
+  }
+  else {
+	u8g_DrawVLine(u8g, x0, y0 - rad, 2*rad+1);
+  }
+  
+  while( x < y )
+  {
+    if(f >= 0) 
+    {
+      y--;
+      ddF_y += 2;
+      f += ddF_y;
+    }
+    x++;
+    ddF_x += 2;
+    f += ddF_x;
+    
+	//Draw vertical lines from one point to another
+	
+	switch (option)
+	{
+		case U8G_CIRC_UPPER_RIGHT:
+			u8g_DrawVLine(u8g, x0+x, y0-y, y+1);
+			u8g_DrawVLine(u8g, x0+y, y0-x, x+1);
+			break;
+		case U8G_CIRC_UPPER_LEFT:
+			u8g_DrawVLine(u8g, x0-x, y0-y, y+1);
+			u8g_DrawVLine(u8g, x0-y, y0-x, x+1);
+			break;
+		case U8G_CIRC_LOWER_RIGHT:
+			u8g_DrawVLine(u8g, x0+x, y0, y+1);
+			u8g_DrawVLine(u8g, x0+y, y0, x+1);
+			break;
+		case U8G_CIRC_LOWER_LEFT:
+			u8g_DrawVLine(u8g, x0-x, y0, y+1);
+			u8g_DrawVLine(u8g, x0-y, y0, x+1);
+			break;
+		case U8G_CIRC_ALL:
+			u8g_DrawVLine(u8g, x0+x, y0-y, 2*y+1);
+			u8g_DrawVLine(u8g, x0-x, y0-y, 2*y+1);
+			u8g_DrawVLine(u8g, x0+y, y0-x, 2*x+1);
+			u8g_DrawVLine(u8g, x0-y, y0-x, 2*x+1);
+			break;
+	}
+  }
+}
+
+#endif 
+
+/*=========================================================================*/
+
+static void u8g_draw_circle_section(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t x0, u8g_uint_t y0, uint8_t option) U8G_NOINLINE;
+
+static void u8g_draw_circle_section(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t x0, u8g_uint_t y0, uint8_t option)
+{
+    /* upper right */
+    if ( option & U8G_DRAW_UPPER_RIGHT )
+    {
+      u8g_DrawPixel(u8g, x0 + x, y0 - y);
+      u8g_DrawPixel(u8g, x0 + y, y0 - x);
+    }
+    
+    /* upper left */
+    if ( option & U8G_DRAW_UPPER_LEFT )
+    {
+      u8g_DrawPixel(u8g, x0 - x, y0 - y);
+      u8g_DrawPixel(u8g, x0 - y, y0 - x);
+    }
+    
+    /* lower right */
+    if ( option & U8G_DRAW_LOWER_RIGHT )
+    {
+      u8g_DrawPixel(u8g, x0 + x, y0 + y);
+      u8g_DrawPixel(u8g, x0 + y, y0 + x);
+    }
+    
+    /* lower left */
+    if ( option & U8G_DRAW_LOWER_LEFT )
+    {
+      u8g_DrawPixel(u8g, x0 - x, y0 + y);
+      u8g_DrawPixel(u8g, x0 - y, y0 + x);
+    }
+}
+
+void u8g_draw_circle(u8g_t *u8g, u8g_uint_t x0, u8g_uint_t y0, u8g_uint_t rad, uint8_t option)
+{
+    u8g_int_t f;
+    u8g_int_t ddF_x;
+    u8g_int_t ddF_y;
+    u8g_uint_t x;
+    u8g_uint_t y;
+
+    f = 1;
+    f -= rad;
+    ddF_x = 1;
+    ddF_y = 0;
+    ddF_y -= rad;
+    ddF_y *= 2;
+    x = 0;
+    y = rad;
+
+    u8g_draw_circle_section(u8g, x, y, x0, y0, option);
+    
+    while ( x < y )
+    {
+      if (f >= 0) 
+      {
+        y--;
+        ddF_y += 2;
+        f += ddF_y;
+      }
+      x++;
+      ddF_x += 2;
+      f += ddF_x;
+
+      u8g_draw_circle_section(u8g, x, y, x0, y0, option);    
+    }
+}
+
+void u8g_DrawCircle(u8g_t *u8g, u8g_uint_t x0, u8g_uint_t y0, u8g_uint_t rad, uint8_t option)
+{
+  /* check for bounding box */
+  {
+    u8g_uint_t radp, radp2;
+    
+    radp = rad;
+    radp++;
+    radp2 = radp;
+    radp2 *= 2;
+    
+    if ( u8g_IsBBXIntersection(u8g, x0-radp, y0-radp, radp2, radp2) == 0)
+      return;    
+  }
+  
+  /* draw circle */
+  u8g_draw_circle(u8g, x0, y0, rad, option);
+}
+
+static void u8g_draw_disc_section(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t x0, u8g_uint_t y0, uint8_t option) U8G_NOINLINE;
+
+static void u8g_draw_disc_section(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t x0, u8g_uint_t y0, uint8_t option)
+{
+    /* upper right */
+    if ( option & U8G_DRAW_UPPER_RIGHT )
+    {
+      u8g_DrawVLine(u8g, x0+x, y0-y, y+1);
+      u8g_DrawVLine(u8g, x0+y, y0-x, x+1);
+    }
+    
+    /* upper left */
+    if ( option & U8G_DRAW_UPPER_LEFT )
+    {
+      u8g_DrawVLine(u8g, x0-x, y0-y, y+1);
+      u8g_DrawVLine(u8g, x0-y, y0-x, x+1);
+    }
+    
+    /* lower right */
+    if ( option & U8G_DRAW_LOWER_RIGHT )
+    {
+      u8g_DrawVLine(u8g, x0+x, y0, y+1);
+      u8g_DrawVLine(u8g, x0+y, y0, x+1);
+    }
+    
+    /* lower left */
+    if ( option & U8G_DRAW_LOWER_LEFT )
+    {
+      u8g_DrawVLine(u8g, x0-x, y0, y+1);
+      u8g_DrawVLine(u8g, x0-y, y0, x+1);
+    }
+}
+
+void u8g_draw_disc(u8g_t *u8g, u8g_uint_t x0, u8g_uint_t y0, u8g_uint_t rad, uint8_t option)
+{
+  u8g_int_t f;
+  u8g_int_t ddF_x;
+  u8g_int_t ddF_y;
+  u8g_uint_t x;
+  u8g_uint_t y;
+
+  f = 1;
+  f -= rad;
+  ddF_x = 1;
+  ddF_y = 0;
+  ddF_y -= rad;
+  ddF_y *= 2;
+  x = 0;
+  y = rad;
+
+  u8g_draw_disc_section(u8g, x, y, x0, y0, option);
+  
+  while ( x < y )
+  {
+    if (f >= 0) 
+    {
+      y--;
+      ddF_y += 2;
+      f += ddF_y;
+    }
+    x++;
+    ddF_x += 2;
+    f += ddF_x;
+
+    u8g_draw_disc_section(u8g, x, y, x0, y0, option);    
+  }
+}
+
+void u8g_DrawDisc(u8g_t *u8g, u8g_uint_t x0, u8g_uint_t y0, u8g_uint_t rad, uint8_t option)
+{
+  /* check for bounding box */
+  {
+    u8g_uint_t radp, radp2;
+    
+    radp = rad;
+    radp++;
+    radp2 = radp;
+    radp2 *= 2;
+    
+    if ( u8g_IsBBXIntersection(u8g, x0-radp, y0-radp, radp2, radp2) == 0)
+      return;    
+  }
+  
+  /* draw disc */
+  u8g_draw_disc(u8g, x0, y0, rad, option);
+}
+
+
+
+