diff --git a/libraries/u8glib/u8g_com_io.c b/libraries/u8glib/u8g_com_io.c
deleted file mode 100644
--- a/libraries/u8glib/u8g_com_io.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
-  
-  u8g_com_io.c
-  
-  abstraction layer for low level i/o 
-
-  Universal 8bit Graphics Library
-  
-  Copyright (c) 2012, 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.  
-
-  Update for ATOMIC operation done (01 Jun 2013)
-    U8G_ATOMIC_OR(ptr, val)
-    U8G_ATOMIC_AND(ptr, val)
-    U8G_ATOMIC_START();
-    U8G_ATOMIC_END();
-
-  uint8_t u8g_Pin(uint8_t port, uint8_t bitpos)						Convert to internal number: AVR: port*8+bitpos, ARM: port*16+bitpos
-  void u8g_SetPinOutput(uint8_t internal_pin_number)
-  void u8g_SetPinInput(uint8_t internal_pin_number)
-  void u8g_SetPinLevel(uint8_t internal_pin_number, uint8_t level)
-  uint8_t u8g_GetPinLevel(uint8_t internal_pin_number)
-
-
-*/
-
-#include "u8g.h"
-
-#if defined(__AVR__)
-
-#include <avr/interrupt.h>
-#include <avr/io.h>
-
-typedef volatile uint8_t * IO_PTR;
-
-/* create internal pin number */
-uint8_t u8g_Pin(uint8_t port, uint8_t bitpos)
-{
-  port <<= 3;
-  port += bitpos;
-  return port;
-}
-
-const IO_PTR u8g_avr_ddr_P[] PROGMEM = {
-#ifdef DDRA
-  &DDRA,
-#else
-  0,
-#endif
-  &DDRB,
-#ifdef DDRC
-  &DDRC,
-#ifdef DDRD
-  &DDRD,
-#ifdef DDRE
-  &DDRE,
-#ifdef DDRF
-  &DDRF,
-#ifdef DDRG
-  &DDRG,
-#ifdef DDRH
-  &DDRH,
-#endif
-#endif
-#endif
-#endif
-#endif
-#endif
-};
-
-
-const IO_PTR u8g_avr_port_P[] PROGMEM = {
-#ifdef PORTA
-  &PORTA,
-#else
-  0,
-#endif
-  &PORTB,
-#ifdef PORTC
-  &PORTC,
-#ifdef PORTD
-  &PORTD,
-#ifdef PORTE
-  &PORTE,
-#ifdef PORTF
-  &PORTF,
-#ifdef PORTG
-  &PORTG,
-#ifdef PORTH
-  &PORTH,
-#endif
-#endif
-#endif
-#endif
-#endif
-#endif
-};
-
-const IO_PTR u8g_avr_pin_P[] PROGMEM = {
-#ifdef PINA
-  &PINA,
-#else
-  0,
-#endif
-  &PINB,
-#ifdef PINC
-  &PINC,
-#ifdef PIND
-  &PIND,
-#ifdef PINE
-  &PINE,
-#ifdef PINF
-  &PINF,
-#ifdef PING
-  &PING,
-#ifdef PINH
-  &PINH,
-#endif
-#endif
-#endif
-#endif
-#endif
-#endif
-};
-
-static volatile uint8_t *u8g_get_avr_io_ptr(const IO_PTR *base, uint8_t offset)
-{
-  volatile uint8_t * tmp;
-  base += offset;
-  memcpy_P(&tmp, base, sizeof(volatile uint8_t * PROGMEM));
-  return tmp; 
-}
-
-/* set direction to output of the specified pin (internal pin number) */
-void u8g_SetPinOutput(uint8_t internal_pin_number)
-{
-  *u8g_get_avr_io_ptr(u8g_avr_ddr_P, internal_pin_number>>3) |= _BV(internal_pin_number&7);
-}
-
-void u8g_SetPinInput(uint8_t internal_pin_number)
-{
-  *u8g_get_avr_io_ptr(u8g_avr_ddr_P, internal_pin_number>>3) &= ~_BV(internal_pin_number&7);
-}
-
-void u8g_SetPinLevel(uint8_t internal_pin_number, uint8_t level)
-{
-  volatile uint8_t * tmp = u8g_get_avr_io_ptr(u8g_avr_port_P, internal_pin_number>>3);
-  
-  if ( level == 0 )
-  {
-    U8G_ATOMIC_AND(tmp, ~_BV(internal_pin_number&7));
-   // *tmp &= ~_BV(internal_pin_number&7);
-  }
-  else
-  {
-    U8G_ATOMIC_OR(tmp, _BV(internal_pin_number&7));
-    //*tmp |= _BV(internal_pin_number&7);
-  }
-  
-}
-
-uint8_t u8g_GetPinLevel(uint8_t internal_pin_number)
-{
-  volatile uint8_t * tmp = u8g_get_avr_io_ptr(u8g_avr_pin_P, internal_pin_number>>3);
-  if ( ((*tmp) & _BV(internal_pin_number&7))  != 0 )
-    return 1;
-  return 0;
-}
-
-#else
-
-/* convert "port" and "bitpos" to internal pin number */
-uint8_t u8g_Pin(uint8_t port, uint8_t bitpos)
-{
-  port <<= 3;
-  port += bitpos;
-  return port;
-}
-
-void u8g_SetPinOutput(uint8_t internal_pin_number)
-{
-}
-
-void u8g_SetPinInput(uint8_t internal_pin_number)
-{
-}
-
-void u8g_SetPinLevel(uint8_t internal_pin_number, uint8_t level)
-{
-}
-
-uint8_t u8g_GetPinLevel(uint8_t internal_pin_number)
-{
-  return 0;
-}
-
-#endif
-
-
-#if defined(U8G_WITH_PINLIST)
-
-void u8g_SetPIOutput(u8g_t *u8g, uint8_t pi)
-{
-  uint8_t pin;
-  pin = u8g->pin_list[pi];
-  if ( pin != U8G_PIN_NONE )
-    u8g_SetPinOutput(pin);
-}
-
-void u8g_SetPILevel(u8g_t *u8g, uint8_t pi, uint8_t level)
-{
-  uint8_t pin;
-  pin = u8g->pin_list[pi];
-  if ( pin != U8G_PIN_NONE )
-    u8g_SetPinLevel(pin, level);
-}
-
-#else  /* defined(U8G_WITH_PINLIST) */
-void u8g_SetPIOutput(u8g_t *u8g, uint8_t pi)
-{
-}
-
-void u8g_SetPILevel(u8g_t *u8g, uint8_t pi, uint8_t level)
-{
-}
-
-#endif /* defined(U8G_WITH_PINLIST) */