Displays distance to start location on OLED screen.

Dependencies:   mbed

Revision:
0:972874f31c98
diff -r 000000000000 -r 972874f31c98 u8g.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/u8g.h	Wed Mar 07 12:49:14 2018 +0000
@@ -0,0 +1,1808 @@
+/*
+
+  u8g.h
+  
+  Universal 8bit Graphics Library
+  
+  Copyright (c) 2011, 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.  
+  
+*/
+
+#ifndef _U8G_H
+#define _U8G_H
+
+/* uncomment the following line to support displays larger than 240x240 */
+//#define U8G_16BIT 1
+
+/* comment the following line to generate more compact but interrupt unsafe code */
+#define U8G_INTERRUPT_SAFE 1
+
+
+#include <stddef.h>
+
+#ifdef __18CXX
+typedef unsigned char uint8_t;
+typedef signed char int8_t;
+typedef unsigned short uint16_t;
+typedef signed short int16_t;
+#else
+#include <stdint.h>
+#endif
+
+#if defined(__AVR__)
+#include <avr/pgmspace.h>
+#endif 
+
+/* 
+  use the com interface directly on any systems which are not AVR or ARDUINO 
+*/
+#if defined(__AVR__) || defined(ARDUINO)
+#define U8G_WITH_PINLIST
+#endif
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+  
+/*===============================================================*/
+#ifdef __GNUC__
+#  define U8G_NOINLINE __attribute__((noinline))
+#  define U8G_PURE  __attribute__ ((pure))
+#  define U8G_NOCOMMON __attribute__ ((nocommon))
+#  define U8G_SECTION(name) __attribute__ ((section (name)))
+#  if defined(__MSPGCC__)
+/* mspgcc does not have .progmem sections. Use -fdata-sections. */
+#    define U8G_FONT_SECTION(name)
+#  endif
+#  if defined(__AVR__)
+#    define U8G_FONT_SECTION(name) U8G_SECTION(".progmem." name)
+#  endif
+#else
+#  define U8G_NOINLINE
+#  define U8G_PURE
+#  define U8G_NOCOMMON
+#  define U8G_SECTION(name)
+#endif
+
+#ifndef U8G_FONT_SECTION
+#  define U8G_FONT_SECTION(name)
+#endif
+
+
+/*===============================================================*/
+/* flash memory access */
+
+#if defined(__AVR__)
+/* U8G_PROGMEM is used by the XBM example */
+#define U8G_PROGMEM U8G_SECTION(".progmem.data")
+typedef uint8_t PROGMEM u8g_pgm_uint8_t;
+typedef uint8_t u8g_fntpgm_uint8_t;
+#define u8g_pgm_read(adr) pgm_read_byte_near(adr)
+#define U8G_PSTR(s) ((u8g_pgm_uint8_t *)PSTR(s))
+
+#else
+
+#define U8G_PROGMEM
+#define PROGMEM
+typedef uint8_t u8g_pgm_uint8_t;
+typedef uint8_t u8g_fntpgm_uint8_t;
+#define u8g_pgm_read(adr) (*(const u8g_pgm_uint8_t *)(adr)) 
+#define U8G_PSTR(s) ((u8g_pgm_uint8_t *)(s))
+
+#endif
+  
+/*===============================================================*/
+/* interrupt safe code */
+#if defined(U8G_INTERRUPT_SAFE)
+#  if defined(__AVR__)
+extern uint8_t global_SREG_backup;	/* u8g_state.c */
+#    define U8G_ATOMIC_START()		do { global_SREG_backup = SREG; cli(); } while(0)
+#    define U8G_ATOMIC_END()			SREG = global_SREG_backup
+#    define U8G_ATOMIC_OR(ptr, val) 	do { uint8_t tmpSREG = SREG; cli(); (*(ptr) |= (val)); SREG = tmpSREG; } while(0)
+#    define U8G_ATOMIC_AND(ptr, val) 	do { uint8_t tmpSREG = SREG; cli(); (*(ptr) &= (val)); SREG = tmpSREG; } while(0)
+#  else
+#    define U8G_ATOMIC_OR(ptr, val) (*(ptr) |= (val))
+#    define U8G_ATOMIC_AND(ptr, val) (*(ptr) &= (val))
+#    define U8G_ATOMIC_START()
+#    define U8G_ATOMIC_END()
+#  endif /* __AVR__ */
+#else
+#  define U8G_ATOMIC_OR(ptr, val) (*(ptr) |= (val))
+#  define U8G_ATOMIC_AND(ptr, val) (*(ptr) &= (val))
+#  define U8G_ATOMIC_START()
+#  define U8G_ATOMIC_END()
+#endif /* U8G_INTERRUPT_SAFE */
+  
+  
+/*===============================================================*/
+/* forward */
+typedef struct _u8g_t u8g_t;
+typedef struct _u8g_dev_t u8g_dev_t;
+
+typedef struct _u8g_dev_arg_pixel_t u8g_dev_arg_pixel_t;
+typedef struct _u8g_dev_arg_bbx_t u8g_dev_arg_bbx_t;
+typedef struct _u8g_box_t u8g_box_t;
+typedef struct _u8g_dev_arg_irgb_t u8g_dev_arg_irgb_t;
+
+
+/*===============================================================*/
+/* generic */
+#if defined(U8G_16BIT)
+typedef uint16_t u8g_uint_t;
+typedef int16_t u8g_int_t;
+#else
+typedef uint8_t u8g_uint_t;
+typedef int8_t u8g_int_t;
+#endif
+
+#ifdef OBSOLETE
+struct _u8g_box_t
+{
+  u8g_uint_t x0, y0, x1, y1;  
+};
+typedef struct _u8g_box_t u8g_box_t;
+#endif /* OBSOLETE */
+
+
+/*===============================================================*/
+/* device structure */
+
+#ifdef __XC8
+/* device prototype */
+typedef uint8_t (*u8g_dev_fnptr)(void *u8g, void *dev, uint8_t msg, void *arg);
+
+/* com prototype */
+typedef uint8_t (*u8g_com_fnptr)(void *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+#else
+/* device prototype */
+typedef uint8_t (*u8g_dev_fnptr)(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+/* com prototype */
+typedef uint8_t (*u8g_com_fnptr)(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+#endif
+
+
+
+struct _u8g_dev_t
+{
+  u8g_dev_fnptr dev_fn;         /* device procedure */
+  void *dev_mem;                /* device memory */
+  u8g_com_fnptr com_fn;         /* communication procedure */
+};
+
+
+/*===============================================================*/
+/* device list */
+
+/* Size: 128x64 SDL, u8g_dev_sdl.c */
+extern u8g_dev_t u8g_dev_sdl_1bit;
+extern u8g_dev_t u8g_dev_sdl_1bit_h;
+extern u8g_dev_t u8g_dev_sdl_2bit;
+extern u8g_dev_t u8g_dev_sdl_2bit_double_mem;
+extern u8g_dev_t u8g_dev_sdl_8bit;
+extern u8g_dev_t u8g_dev_sdl_hicolor;
+extern u8g_dev_t u8g_dev_sdl_fullcolor;
+int u8g_sdl_get_key(void);
+
+/* Size: 70x30 monochrom, stdout */
+extern u8g_dev_t u8g_dev_stdout;
+
+/* Size: monochrom, writes "u8g.pbm" */
+extern u8g_dev_t u8g_dev_pbm;
+extern u8g_dev_t u8g_dev_pbm_8h1;
+extern u8g_dev_t u8g_dev_pbm_8h2;	/* grayscale simulation */
+
+/* Size: 128x64 monochrom, no output, used for performance measure */
+extern u8g_dev_t u8g_dev_gprof;
+
+/* Display: EA DOGS102, Size: 102x64 monochrom */
+extern u8g_dev_t u8g_dev_uc1701_dogs102_sw_spi;
+extern u8g_dev_t u8g_dev_uc1701_dogs102_hw_spi;
+
+extern u8g_dev_t u8g_dev_uc1701_dogs102_2x_sw_spi;
+extern u8g_dev_t u8g_dev_uc1701_dogs102_2x_hw_spi;
+
+/* Display: Mini12864 (dealextreme), Size: 128x64 monochrom */
+extern u8g_dev_t u8g_dev_uc1701_mini12864_sw_spi;
+extern u8g_dev_t u8g_dev_uc1701_mini12864_hw_spi;
+
+extern u8g_dev_t u8g_dev_uc1701_mini12864_2x_sw_spi;
+extern u8g_dev_t u8g_dev_uc1701_mini12864_2x_hw_spi;
+
+/* Display: EA DOGM132, Size: 128x32 monochrom */
+extern u8g_dev_t u8g_dev_st7565_dogm132_sw_spi;
+extern u8g_dev_t u8g_dev_st7565_dogm132_hw_spi;
+
+/* Display: EA DOGM128, Size: 128x64 monochrom */
+extern u8g_dev_t u8g_dev_st7565_dogm128_sw_spi;
+extern u8g_dev_t u8g_dev_st7565_dogm128_hw_spi;
+extern u8g_dev_t u8g_dev_st7565_dogm128_parallel;
+
+extern u8g_dev_t u8g_dev_st7565_dogm128_2x_sw_spi;
+extern u8g_dev_t u8g_dev_st7565_dogm128_2x_hw_spi;
+extern u8g_dev_t u8g_dev_st7565_dogm128_2x_parallel;
+
+/* Display: Topway LM6059 128x64 (Adafruit) */
+extern u8g_dev_t u8g_dev_st7565_lm6059_sw_spi;
+extern u8g_dev_t u8g_dev_st7565_lm6059_hw_spi;
+extern u8g_dev_t u8g_dev_st7565_lm6059_2x_sw_spi;
+extern u8g_dev_t u8g_dev_st7565_lm6059_2x_hw_spi;
+/* Display: Topway LM6063 128x64 */
+extern u8g_dev_t u8g_dev_st7565_lm6063_sw_spi;
+extern u8g_dev_t u8g_dev_st7565_lm6063_hw_spi;
+extern u8g_dev_t u8g_dev_st7565_lm6063_2x_sw_spi;
+extern u8g_dev_t u8g_dev_st7565_lm6063_2x_hw_spi;
+/* Display: Newhaven NHD-C12864 */
+extern u8g_dev_t u8g_dev_st7565_nhd_c12864_sw_spi;
+extern u8g_dev_t u8g_dev_st7565_nhd_c12864_hw_spi;
+extern u8g_dev_t u8g_dev_st7565_nhd_c12864_2x_sw_spi;
+extern u8g_dev_t u8g_dev_st7565_nhd_c12864_2x_hw_spi;
+
+/* Display: Newhaven NHD-C12832 */
+extern u8g_dev_t u8g_dev_st7565_nhd_c12832_sw_spi;
+extern u8g_dev_t u8g_dev_st7565_nhd_c12832_hw_spi;
+extern u8g_dev_t u8g_dev_st7565_nhd_c12832_parallel;
+extern u8g_dev_t u8g_dev_st7565_nhd_c12832_hw_usart_spi;
+
+/* Display: Displaytech 64128N */
+extern u8g_dev_t u8g_dev_st7565_64128n_sw_spi;
+extern u8g_dev_t u8g_dev_st7565_64128n_hw_spi;
+extern u8g_dev_t u8g_dev_st7565_64128n_parallel;
+
+extern u8g_dev_t u8g_dev_st7565_64128n_2x_sw_spi;
+extern u8g_dev_t u8g_dev_st7565_64128n_2x_hw_spi;
+extern u8g_dev_t u8g_dev_st7565_64128n_2x_parallel;
+
+/* Display: LCD-AG-C128032R-DIW W/KK E6 PBF */
+extern u8g_dev_t u8g_dev_uc1601_c128032_sw_spi;
+extern u8g_dev_t u8g_dev_uc1601_c128032_hw_spi;
+
+extern u8g_dev_t u8g_dev_uc1601_c128032_2x_sw_spi;
+extern u8g_dev_t u8g_dev_uc1601_c128032_2x_hw_spi;
+
+/* dfrobot 128x64 Graphic LCD (SKU:FIT0021) */
+extern u8g_dev_t u8g_dev_st7920_128x64_sw_spi;
+extern u8g_dev_t u8g_dev_st7920_128x64_hw_spi;
+extern u8g_dev_t u8g_dev_st7920_128x64_8bit;
+extern u8g_dev_t u8g_dev_st7920_128x64_custom;
+
+extern u8g_dev_t u8g_dev_st7920_128x64_4x_sw_spi;
+extern u8g_dev_t u8g_dev_st7920_128x64_4x_hw_spi;
+extern u8g_dev_t u8g_dev_st7920_128x64_4x_8bit;
+extern u8g_dev_t u8g_dev_st7920_128x64_4x_custom;
+
+/* NHD-19232WG */
+extern u8g_dev_t u8g_dev_st7920_192x32_sw_spi;
+extern u8g_dev_t u8g_dev_st7920_192x32_hw_spi;
+extern u8g_dev_t u8g_dev_st7920_192x32_8bit;
+
+extern u8g_dev_t u8g_dev_st7920_192x32_4x_sw_spi;
+extern u8g_dev_t u8g_dev_st7920_192x32_4x_hw_spi;
+extern u8g_dev_t u8g_dev_st7920_192x32_4x_8bit;
+
+/* CrystalFontz CFAG20232 */
+extern u8g_dev_t u8g_dev_st7920_202x32_sw_spi;
+extern u8g_dev_t u8g_dev_st7920_202x32_hw_spi;
+extern u8g_dev_t u8g_dev_st7920_202x32_8bit;
+
+extern u8g_dev_t u8g_dev_st7920_202x32_4x_sw_spi;
+extern u8g_dev_t u8g_dev_st7920_202x32_4x_hw_spi;
+extern u8g_dev_t u8g_dev_st7920_202x32_4x_8bit;
+
+/* LC7981 160x80 display */
+extern u8g_dev_t u8g_dev_lc7981_160x80_8bit;
+/* LC7981 240x64 display */
+extern u8g_dev_t u8g_dev_lc7981_240x64_8bit;
+/* LC7981 240x128 display */
+extern u8g_dev_t u8g_dev_lc7981_240x128_8bit;
+/* LC7981 320x64 display */
+extern u8g_dev_t u8g_dev_lc7981_320x64_8bit;
+
+/* T6963, all t6963 devices have double page (2x) */
+extern u8g_dev_t u8g_dev_t6963_240x128_8bit;
+extern u8g_dev_t u8g_dev_t6963_240x64_8bit;
+extern u8g_dev_t u8g_dev_t6963_128x64_8bit;
+
+/* Display: EA DOGXL160, Size: 160x104 monochrom & gray level */
+extern u8g_dev_t u8g_dev_uc1610_dogxl160_bw_sw_spi;
+extern u8g_dev_t u8g_dev_uc1610_dogxl160_bw_hw_spi;
+extern u8g_dev_t u8g_dev_uc1610_dogxl160_gr_sw_spi;
+extern u8g_dev_t u8g_dev_uc1610_dogxl160_gr_hw_spi;
+
+extern u8g_dev_t u8g_dev_uc1610_dogxl160_2x_bw_sw_spi;
+extern u8g_dev_t u8g_dev_uc1610_dogxl160_2x_bw_hw_spi;
+extern u8g_dev_t u8g_dev_uc1610_dogxl160_2x_gr_sw_spi;
+extern u8g_dev_t u8g_dev_uc1610_dogxl160_2x_gr_hw_spi;
+
+/* Display: Generic KS0108b, Size: 128x64 monochrom */
+extern u8g_dev_t u8g_dev_ks0108_128x64;         /* official Arduino Library interface */
+extern u8g_dev_t u8g_dev_ks0108_128x64_fast;    /* faster, but uses private tables from the Arduino Library */
+
+/* Nokia 84x48 Display with PCD8544 */
+extern u8g_dev_t u8g_dev_pcd8544_84x48_sw_spi;
+extern u8g_dev_t u8g_dev_pcd8544_84x48_hw_spi;
+extern u8g_dev_t u8g_dev_tls8204_84x48_sw_spi;
+
+/* Nokia 96x65 Display with PCF8812 */
+extern u8g_dev_t u8g_dev_pcf8812_96x65_sw_spi;
+extern u8g_dev_t u8g_dev_pcf8812_96x65_hw_spi;
+
+/* NHD-2.7-12864UCY3 OLED Display with SSD1325 Controller */
+extern u8g_dev_t u8g_dev_ssd1325_nhd27oled_bw_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1325_nhd27oled_bw_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1325_nhd27oled_bw_parallel;
+extern u8g_dev_t u8g_dev_ssd1325_nhd27oled_gr_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1325_nhd27oled_gr_hw_spi;
+
+extern u8g_dev_t u8g_dev_ssd1325_nhd27oled_2x_bw_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1325_nhd27oled_2x_bw_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1325_nhd27oled_2x_bw_parallel;
+extern u8g_dev_t u8g_dev_ssd1325_nhd27oled_2x_gr_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1325_nhd27oled_2x_gr_hw_spi;
+
+/* LY120 OLED with SSD1327 Controller (tested with Seeedstudio module) */
+extern u8g_dev_t u8g_dev_ssd1327_96x96_gr_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1327_96x96_gr_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1327_96x96_gr_i2c;
+
+extern u8g_dev_t u8g_dev_ssd1327_96x96_2x_gr_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1327_96x96_2x_gr_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1327_96x96_2x_gr_i2c;
+
+/* NHD-3.12-25664 OLED Display with SSD1322 Controller */
+extern u8g_dev_t u8g_dev_ssd1322_nhd31oled_bw_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1322_nhd31oled_bw_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1322_nhd31oled_bw_parallel;
+extern u8g_dev_t u8g_dev_ssd1322_nhd31oled_2x_bw_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1322_nhd31oled_2x_bw_hw_spi;
+
+extern u8g_dev_t u8g_dev_ssd1322_nhd31oled_gr_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1322_nhd31oled_gr_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1322_nhd31oled_gr_parallel;
+extern u8g_dev_t u8g_dev_ssd1322_nhd31oled_2x_gr_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1322_nhd31oled_2x_gr_hw_spi;
+
+/* OLED 128x64 Display with SSD1306 Controller */
+extern u8g_dev_t u8g_dev_ssd1306_128x64_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1306_128x64_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1306_128x64_i2c;
+
+extern u8g_dev_t u8g_dev_ssd1306_128x64_2x_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1306_128x64_2x_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1306_128x64_2x_i2c;
+
+/* OLED 128x64 Display with SSD1309 Controller */
+extern u8g_dev_t u8g_dev_ssd1309_128x64_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1309_128x64_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1309_128x64_i2c;
+
+/* OLED 128x32 Display with SSD1306 Controller */
+extern u8g_dev_t u8g_dev_ssd1306_128x32_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1306_128x32_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1306_128x32_i2c;
+
+extern u8g_dev_t u8g_dev_ssd1306_128x32_2x_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1306_128x32_2x_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1306_128x32_2x_i2c;
+
+/* experimental 65K TFT with st7687 controller */
+extern u8g_dev_t u8g_dev_st7687_c144mvgd_sw_spi;
+extern u8g_dev_t u8g_dev_st7687_c144mvgd_8bit;
+
+/* SBN1661/SED1520 display with 122x32 */
+extern u8g_dev_t u8g_dev_sbn1661_122x32;
+
+/* flip disc matrix */
+extern u8g_dev_t u8g_dev_flipdisc_2x7;
+void u8g_SetFlipDiscCallback(u8g_t *u8g, void (*cb)(uint8_t id, uint8_t page, uint8_t width, uint8_t *row1, uint8_t *row2));
+
+/* ILI9325D based TFT */
+extern u8g_dev_t u8g_dev_ili9325d_320x240_8bit;
+
+
+/* SSD1351 OLED (breakout board from http://www.kickstarter.com/projects/ilsoftltd/colour-oled-breakout-board) */
+extern u8g_dev_t u8g_dev_ssd1351_128x128_332_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128_332_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128_4x_332_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128_4x_332_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128_idx_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128_idx_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128_hicolor_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128_hicolor_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128_4x_hicolor_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128_4x_hicolor_hw_spi;
+
+/* SSD1351 OLED (Freetronics, GPIOs set to high level) */
+extern u8g_dev_t u8g_dev_ssd1351_128x128gh_332_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128gh_332_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128gh_4x_332_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128gh_4x_332_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128gh_hicolor_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128gh_hicolor_hw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128gh_4x_hicolor_sw_spi;
+extern u8g_dev_t u8g_dev_ssd1351_128x128gh_4x_hicolor_hw_spi;
+
+/* HT1632 */
+extern u8g_dev_t u8g_dev_ht1632_24x16;
+
+/* A2 Micro Printer */
+extern u8g_dev_t u8g_dev_a2_micro_printer_384x240;
+extern u8g_dev_t u8g_dev_a2_micro_printer_192x120_ds;
+
+/* u8g_virtual_screen.c  */
+extern u8g_dev_t u8g_dev_vs;
+
+
+/*===============================================================*/
+/* device messages */
+
+struct _u8g_dev_arg_pixel_t
+{
+  u8g_uint_t x, y;              /* will be modified */
+  uint8_t pixel;                  /* will be modified, pixel sequence or transparency value */
+  uint8_t dir;
+  uint8_t color;			/* color or index value, red value for true color mode */
+  uint8_t hi_color;		/* high byte for 64K color mode, low byte is in "color", green value for true color mode */
+  uint8_t blue;			/* blue value in true color mode */
+};
+/* typedef struct _u8g_dev_arg_pixel_t u8g_dev_arg_pixel_t; */ /* forward decl */
+
+/* range for r,g,b: 0..255 */
+#define U8G_GET_HICOLOR_BY_RGB(r,g,b) (((uint16_t)((r)&0x0f8))<<8)|(((uint16_t)((g)&0x0fc))<<3)|(((uint16_t)((b)>>3)))
+
+struct _u8g_dev_arg_bbx_t
+{
+  u8g_uint_t x, y, w, h;
+};
+/* typedef struct _u8g_dev_arg_bbx_t u8g_dev_arg_bbx_t; */ /* forward decl */
+
+struct _u8g_box_t
+{
+  u8g_uint_t x0, y0, x1, y1;
+};
+/* typedef struct _u8g_box_t u8g_box_t; */ /* forward decl */
+
+struct _u8g_dev_arg_irgb_t
+{
+  u8g_uint_t idx, r, g, b;		/* index with rgb value */
+};
+/* typedef struct _u8g_dev_arg_irgb_t u8g_dev_arg_irgb_t; */ /* forward decl */
+
+
+
+#define U8G_DEV_MSG_INIT                10
+#define U8G_DEV_MSG_STOP                  11
+
+/* arg: pointer to uint8_t, contranst value between 0 and 255 */
+#define U8G_DEV_MSG_CONTRAST            15
+
+#define U8G_DEV_MSG_SLEEP_ON            16
+#define U8G_DEV_MSG_SLEEP_OFF            17
+
+#define U8G_DEV_MSG_PAGE_FIRST                  20
+#define U8G_DEV_MSG_PAGE_NEXT                    21
+
+/* arg: u8g_dev_arg_bbx_t * */
+/* new algorithm with U8G_DEV_MSG_GET_PAGE_BOX makes this msg obsolete */
+/* #define U8G_DEV_MSG_IS_BBX_INTERSECTION 22 */
+
+/* arg: u8g_box_t *, fill structure with current page properties */
+#define U8G_DEV_MSG_GET_PAGE_BOX 23
+
+/*
+#define U8G_DEV_MSG_PRIMITIVE_START             30
+#define U8G_DEV_MSG_PRIMITIVE_END               31
+*/
+
+/* arg: u8g_dev_arg_pixel_t * */
+#define U8G_DEV_MSG_SET_TPIXEL				44
+#define U8G_DEV_MSG_SET_4TPIXEL			45
+
+#define U8G_DEV_MSG_SET_PIXEL                           50
+#define U8G_DEV_MSG_SET_8PIXEL                          59
+
+#define U8G_DEV_MSG_SET_COLOR_ENTRY                60
+
+#define U8G_DEV_MSG_SET_XY_CB                           61
+
+#define U8G_DEV_MSG_GET_WIDTH                           70
+#define U8G_DEV_MSG_GET_HEIGHT                           71
+#define U8G_DEV_MSG_GET_MODE                  72
+
+/*===============================================================*/
+/* device modes */
+#define U8G_MODE(is_index_mode, is_color, bits_per_pixel) (((is_index_mode)<<6) | ((is_color)<<5)|(bits_per_pixel))
+
+#define U8G_MODE_UNKNOWN     0
+#define U8G_MODE_BW     U8G_MODE(0, 0, 1)
+#define U8G_MODE_GRAY2BIT     U8G_MODE(0, 0, 2)
+#define U8G_MODE_R3G3B2  U8G_MODE(0, 1, 8)
+#define U8G_MODE_INDEX  U8G_MODE(1, 1, 8)
+/* hicolor is R5G6B5 */
+#define U8G_MODE_HICOLOR  U8G_MODE(0, 1, 16)
+/* truecolor  */
+#define U8G_MODE_TRUECOLOR  U8G_MODE(0, 1, 24)
+
+
+#define U8G_MODE_GET_BITS_PER_PIXEL(mode) ((mode)&31)
+#define U8G_MODE_IS_COLOR(mode) (((mode)&32)==0?0:1)
+#define U8G_MODE_IS_INDEX_MODE(mode) (((mode)&64)==0?0:1)
+
+
+/*===============================================================*/
+/* com options */
+
+/* uncomment the following line for Atmega HW SPI double speed, issue 89 */
+/* #define U8G_HW_SPI_2X 1 */
+
+/* com messages */
+
+#define U8G_COM_MSG_STOP        0
+#define U8G_COM_MSG_INIT        1
+
+#define U8G_COM_MSG_ADDRESS 2
+
+/* CHIP_SELECT argument: number of the chip which needs to be activated, so this is more like high active */
+#define U8G_COM_MSG_CHIP_SELECT 3
+
+#define U8G_COM_MSG_RESET 4
+
+#define U8G_COM_MSG_WRITE_BYTE 5
+#define U8G_COM_MSG_WRITE_SEQ 6
+#define U8G_COM_MSG_WRITE_SEQ_P 7
+
+
+/* com driver */
+uint8_t u8g_com_null_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);               /* u8g_com_null.c */
+uint8_t u8g_com_arduino_std_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);        /* u8g_com_arduino_std_sw_spi.c */
+uint8_t u8g_com_arduino_hw_usart_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);      /* u8g_com_atmega_hw_usart_spi.c */
+uint8_t u8g_com_arduino_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);        /* u8g_com_arduino_sw_spi.c */
+uint8_t u8g_com_arduino_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);          /* u8g_com_arduino_hw_spi.c */
+uint8_t u8g_com_arduino_ATtiny85_std_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);          /* u8g_arduino_ATTiny85_std_hw_spi.c */
+uint8_t u8g_com_arduino_st7920_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);  /* u8g_com_arduino_st7920_spi.c */
+uint8_t u8g_com_arduino_st7920_custom_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr); /* u8g_com_arduino_st7920_custom.c */
+uint8_t u8g_com_arduino_st7920_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);  /* u8g_com_arduino_st7920_hw_spi.c */
+uint8_t u8g_com_arduino_parallel_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);           /* u8g_com_arduino_parallel.c */
+uint8_t u8g_com_arduino_fast_parallel_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);      /* u8g_com_arduino_fast_parallel.c */
+uint8_t u8g_com_arduino_port_d_wr_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);       /* u8g_com_arduino_port_d_wr.c */
+uint8_t u8g_com_arduino_no_en_parallel_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);	/* u8g_com_arduino_no_en_parallel.c */		
+uint8_t u8g_com_arduino_ssd_i2c_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);		/* u8g_com_arduino_ssd_i2c.c */
+uint8_t u8g_com_arduino_t6963_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);			/* u8g_com_arduino_t6963.c */
+
+
+uint8_t u8g_com_atmega_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);      /* u8g_com_atmega_hw_spi.c */
+uint8_t u8g_com_atmega_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);      /* u8g_com_atmega_sw_spi.c */
+uint8_t u8g_com_atmega_st7920_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);	/* u8g_com_atmega_st7920_spi.c */
+uint8_t u8g_com_atmega_st7920_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+uint8_t u8g_com_atmega_parallel_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);    /* u8g_com_atmega_parallel.c */
+
+
+/* 
+  Translation of system specific com drives to generic com names
+  At the moment, the following generic com drives are available
+  U8G_COM_HW_SPI
+  U8G_COM_SW_SPI
+  U8G_COM_PARALLEL
+  U8G_COM_T6963
+  U8G_COM_FAST_PARALLEL
+  U8G_COM_SSD_I2C
+  
+defined(__18CXX) || defined(__PIC32MX)  
+
+*/
+/* ==== HW SPI, Arduino ====*/
+#if defined(ARDUINO)
+#if defined(__AVR__)
+
+#if defined(__AVR_ATtiny85__)
+#define U8G_COM_HW_SPI u8g_com_arduino_ATtiny85_std_hw_spi_fn
+#define U8G_COM_ST7920_HW_SPI u8g_com_null_fn
+#else
+
+#define U8G_COM_HW_SPI u8g_com_arduino_hw_spi_fn
+#if defined(__AVR_ATmega32U4__)
+#define U8G_COM_HW_USART_SPI u8g_com_arduino_hw_usart_spi_fn
+#endif /* __AVR_ATmega32U4__ */
+#define U8G_COM_ST7920_HW_SPI u8g_com_arduino_st7920_hw_spi_fn
+#endif /* __AVR_ATtiny85__ */
+
+#elif defined(__18CXX) || defined(__PIC32MX)
+#define U8G_COM_HW_SPI u8g_com_null_fn
+#define U8G_COM_ST7920_HW_SPI u8g_com_null_fn
+#elif defined(__arm__)   /* Arduino Due */
+#define U8G_COM_HW_SPI u8g_com_arduino_hw_spi_fn
+#define U8G_COM_ST7920_HW_SPI u8g_com_null_fn
+#endif
+#endif
+/* ==== HW SPI, not Arduino ====*/
+#ifndef U8G_COM_HW_SPI
+#if defined(__AVR__)
+#define U8G_COM_HW_SPI u8g_com_atmega_hw_spi_fn
+#define U8G_COM_ST7920_HW_SPI u8g_com_atmega_st7920_hw_spi_fn
+#endif
+#endif
+#ifndef U8G_COM_HW_SPI
+#define U8G_COM_HW_SPI u8g_com_null_fn
+#define U8G_COM_ST7920_HW_SPI u8g_com_null_fn
+#endif
+
+#ifndef U8G_COM_HW_USART_SPI
+#define U8G_COM_HW_USART_SPI u8g_com_null_fn
+#endif
+
+
+/* ==== SW SPI, Arduino ====*/
+#if defined(ARDUINO)
+#if defined(__AVR__)
+#define U8G_COM_SW_SPI u8g_com_arduino_sw_spi_fn
+#define U8G_COM_ST7920_SW_SPI u8g_com_arduino_st7920_spi_fn
+#elif defined(__18CXX) || defined(__PIC32MX)
+#define U8G_COM_SW_SPI u8g_com_arduino_sw_spi_fn
+#define U8G_COM_ST7920_SW_SPI u8g_com_arduino_st7920_spi_fn
+#elif defined(__arm__)   /* Arduino Due */
+//#define U8G_COM_SW_SPI u8g_com_arduino_std_sw_spi_fn
+#define U8G_COM_SW_SPI u8g_com_arduino_sw_spi_fn
+#define U8G_COM_ST7920_SW_SPI u8g_com_arduino_st7920_spi_fn
+#endif
+#endif
+
+#ifndef U8G_COM_SW_SPI
+/* ==== SW SPI, not Arduino ====*/
+#if defined(__AVR__)
+#define U8G_COM_SW_SPI u8g_com_atmega_sw_spi_fn
+#define U8G_COM_ST7920_SW_SPI u8g_com_atmega_st7920_sw_spi_fn
+#endif
+#endif
+#ifndef U8G_COM_SW_SPI
+#define U8G_COM_SW_SPI u8g_com_null_fn
+#define U8G_COM_ST7920_SW_SPI u8g_com_null_fn
+#endif
+
+/* ==== Parallel iinterface, Arduino ====*/
+#if defined(ARDUINO)
+#if defined(__AVR__)
+#define U8G_COM_PARALLEL u8g_com_arduino_parallel_fn
+#define U8G_COM_FAST_PARALLEL u8g_com_arduino_fast_parallel_fn
+#define U8G_COM_T6963  u8g_com_arduino_t6963_fn
+#else /* Arduino Due, Chipkit PIC32 */
+#define U8G_COM_PARALLEL u8g_com_arduino_parallel_fn
+#define U8G_COM_FAST_PARALLEL u8g_com_arduino_parallel_fn
+#define U8G_COM_T6963  u8g_com_null_fn
+#endif
+#endif
+#ifndef U8G_COM_PARALLEL
+#if defined(__AVR__)
+#define U8G_COM_PARALLEL u8g_com_atmega_parallel_fn
+#define U8G_COM_FAST_PARALLEL u8g_com_atmega_parallel_fn
+#define U8G_COM_T6963  u8g_com_null_fn
+#endif
+#endif
+#ifndef U8G_COM_PARALLEL
+#define U8G_COM_PARALLEL u8g_com_null_fn
+#define U8G_COM_FAST_PARALLEL u8g_com_null_fn
+#define U8G_COM_T6963  u8g_com_null_fn
+#endif
+
+#if defined(ARDUINO)
+#if defined(__AVR__)
+#define U8G_COM_SSD_I2C u8g_com_arduino_ssd_i2c_fn
+#endif
+#endif
+
+#ifndef U8G_COM_SSD_I2C
+#if defined(__AVR__)
+/* AVR variant can use the arduino version at the moment */
+#define U8G_COM_SSD_I2C u8g_com_arduino_ssd_i2c_fn
+#endif
+#endif
+#ifndef U8G_COM_SSD_I2C
+#define U8G_COM_SSD_I2C u8g_com_null_fn
+#endif
+
+
+
+/*===============================================================*/
+/* com api */
+
+#define U8G_SPI_CLK_CYCLE_50NS 1
+#define U8G_SPI_CLK_CYCLE_300NS 2
+#define U8G_SPI_CLK_CYCLE_400NS 3
+#define U8G_SPI_CLK_CYCLE_NONE 255
+
+uint8_t u8g_InitCom(u8g_t *u8g, u8g_dev_t *dev, uint8_t clk_cycle_time);
+void u8g_StopCom(u8g_t *u8g, u8g_dev_t *dev);
+void u8g_EnableCom(u8g_t *u8g, u8g_dev_t *dev);         /* obsolete */
+void u8g_DisableCom(u8g_t *u8g, u8g_dev_t *dev);        /* obsolete */
+void u8g_SetChipSelect(u8g_t *u8g, u8g_dev_t *dev, uint8_t cs);
+void u8g_SetResetLow(u8g_t *u8g, u8g_dev_t *dev);
+void u8g_SetResetHigh(u8g_t *u8g, u8g_dev_t *dev);
+void u8g_SetAddress(u8g_t *u8g, u8g_dev_t *dev, uint8_t address);
+uint8_t u8g_WriteByte(u8g_t *u8g, u8g_dev_t *dev, uint8_t val);
+uint8_t u8g_WriteSequence(u8g_t *u8g, u8g_dev_t *dev, uint8_t cnt, uint8_t *seq);
+uint8_t u8g_WriteSequenceP(u8g_t *u8g, u8g_dev_t *dev, uint8_t cnt, const uint8_t *seq);
+
+
+
+#define U8G_ESC_DLY(x) 255, ((x) & 0x7f)
+#define U8G_ESC_CS(x) 255, (0xd0 | ((x)&0x0f))
+#define U8G_ESC_ADR(x) 255, (0xe0 | ((x)&0x0f))
+#define U8G_ESC_RST(x) 255, (0xc0 | ((x)&0x0f))
+#define U8G_ESC_VCC(x) 255, (0xbe | ((x)&0x01))
+#define U8G_ESC_END 255, 254
+#define U8G_ESC_255 255, 255
+//uint8_t u8g_WriteEscSeqP(u8g_t *u8g, u8g_dev_t *dev, u8g_pgm_uint8_t *esc_seq);
+uint8_t u8g_WriteEscSeqP(u8g_t *u8g, u8g_dev_t *dev, const uint8_t *esc_seq);
+
+
+/* u8g_com_api_16gr.c */
+uint8_t u8g_WriteByteBWTo16GrDevice(u8g_t *u8g, u8g_dev_t *dev, uint8_t b);
+uint8_t u8g_WriteSequenceBWTo16GrDevice(u8g_t *u8g, u8g_dev_t *dev, uint8_t cnt, uint8_t *ptr);
+uint8_t u8g_WriteByte4LTo16GrDevice(u8g_t *u8g, u8g_dev_t *dev, uint8_t b);
+uint8_t u8g_WriteSequence4LTo16GrDevice(u8g_t *u8g, u8g_dev_t *dev, uint8_t cnt, uint8_t *ptr);
+
+
+/*===============================================================*/
+/* u8g_arduino_common.c */
+void u8g_com_arduino_digital_write(u8g_t *u8g, uint8_t pin_index, uint8_t value);
+void u8g_com_arduino_assign_pin_output_high(u8g_t *u8g);
+
+/*===============================================================*/
+/* u8g_com_io.c */
+
+/* create internal number from port and pin */
+uint8_t u8g_Pin(uint8_t port, uint8_t bitpos);
+#define PN(port,bitpos) u8g_Pin(port,bitpos)
+
+/* low level procedures */
+void u8g_SetPinOutput(uint8_t internal_pin_number);
+void u8g_SetPinLevel(uint8_t internal_pin_number, uint8_t level);
+void u8g_SetPinInput(uint8_t internal_pin_number);
+uint8_t u8g_GetPinLevel(uint8_t internal_pin_number);
+
+/* u8g level procedures, expect U8G_PI_xxx macro */
+void u8g_SetPIOutput(u8g_t *u8g, uint8_t pi);
+void u8g_SetPILevel(u8g_t *u8g, uint8_t pi, uint8_t level);
+
+
+/*===============================================================*/
+/* page */
+struct _u8g_page_t
+{
+  u8g_uint_t page_height;
+  u8g_uint_t total_height;
+  u8g_uint_t page_y0;
+  u8g_uint_t page_y1;
+  uint8_t page;
+};
+typedef struct _u8g_page_t u8g_page_t;
+
+void u8g_page_First(u8g_page_t *p) U8G_NOINLINE;                                                                                        /* u8g_page.c */
+void u8g_page_Init(u8g_page_t *p, u8g_uint_t page_height, u8g_uint_t total_height ) U8G_NOINLINE;            /* u8g_page.c */
+uint8_t u8g_page_Next(u8g_page_t *p) U8G_NOINLINE;                                                                                   /* u8g_page.c */
+
+/*===============================================================*/
+/* page buffer (pb) */
+
+struct _u8g_pb_t
+{
+  u8g_page_t p;
+  u8g_uint_t width;		/* pixel width */
+  void *buf;
+};
+typedef struct _u8g_pb_t u8g_pb_t;
+
+
+/* u8g_pb.c */
+void u8g_pb_Clear(u8g_pb_t *b);
+uint8_t u8g_pb_IsYIntersection(u8g_pb_t *pb, u8g_uint_t v0, u8g_uint_t v1);
+uint8_t u8g_pb_IsXIntersection(u8g_pb_t *b, u8g_uint_t v0, u8g_uint_t v1);
+uint8_t u8g_pb_IsIntersection(u8g_pb_t *pb, u8g_dev_arg_bbx_t *bbx);
+void u8g_pb_GetPageBox(u8g_pb_t *pb, u8g_box_t *box);
+uint8_t u8g_pb_Is8PixelVisible(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel);
+uint8_t u8g_pb_WriteBuffer(u8g_pb_t *b, u8g_t *u8g, u8g_dev_t *dev);
+
+/*
+  note on __attribute__ ((nocommon))
+    AVR scripts often use  --gc-sections on the linker to remove unused section.
+    This works fine for initialed data and text sections. In principle .bss is also
+    handled, but the name##_pb definition is not removed. Reason is, that
+    array definitions are placed in the COMMON section, by default
+    The attribute "nocommon" removes this automatic assignment to the
+    COMMON section and directly puts it into .bss. As a result, if more
+    than one buffer is defined in one file, then it will be removed with --gc-sections
+
+    .. not sure if Arduino IDE uses -fno-common... if yes, then the attribute is
+    redundant.
+*/
+#define U8G_PB_DEV(name, width, height, page_height, dev_fn, com_fn) \
+uint8_t name##_buf[width] U8G_NOCOMMON ; \
+u8g_pb_t name##_pb = { {page_height, height, 0, 0, 0},  width, name##_buf}; \
+u8g_dev_t name = { dev_fn, &name##_pb, com_fn }
+
+
+void u8g_pb8v1_Init(u8g_pb_t *b, void *buf, u8g_uint_t width)   U8G_NOINLINE;
+void u8g_pb8v1_Clear(u8g_pb_t *b) U8G_NOINLINE;
+
+uint8_t u8g_pb8v1_IsYIntersection(u8g_pb_t *b, u8g_uint_t v0, u8g_uint_t v1);
+uint8_t u8g_pb8v1_IsXIntersection(u8g_pb_t *b, u8g_uint_t v0, u8g_uint_t v1);
+uint8_t u8g_pb8v1_WriteBuffer(u8g_pb_t *b, u8g_t *u8g, u8g_dev_t *dev);
+
+uint8_t u8g_dev_pb8v1_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+/* u8g_pb16v1.c */
+uint8_t u8g_dev_pb16v1_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+/* u8g_pb14v1.c */
+uint8_t u8g_dev_pb14v1_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+/* u8g_pb8v2.c */
+uint8_t u8g_dev_pb8v2_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+/* u8g_pb16v2.c (double memory of pb8v2) */
+uint8_t u8g_dev_pb16v2_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+
+/* u8g_pb8h1.c */
+uint8_t u8g_dev_pb8h1_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+/* u8g_pb16h1.c */
+uint8_t u8g_dev_pb16h1_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+/* u8g_pb32h1.c */
+uint8_t u8g_dev_pb32h1_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+
+/* u8g_pb8h2.c 8 pixel rows, byte has horzontal orientation */
+uint8_t u8g_dev_pb8h2_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+/* u8g_pb16h2.c */
+uint8_t u8g_dev_pb16h2_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+
+
+/* u8g_pb8h1f.c */
+uint8_t u8g_dev_pb8h1f_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+/* u8g_pb8h8.c */
+uint8_t u8g_dev_pb8h8_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+/* u8g_pbxh16.c */
+uint8_t u8g_dev_pbxh16_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+/* u8g_pbxh24.c */
+uint8_t u8g_dev_pbxh24_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+
+/*===============================================================*/
+/* u8g_ll_api.c */
+
+/* cursor draw callback */
+typedef void (*u8g_draw_cursor_fn)(u8g_t *u8g);
+
+/* vertical reference point calculation callback */
+typedef u8g_uint_t (*u8g_font_calc_vref_fnptr)(u8g_t *u8g);
+
+/* state backup and restore procedure */
+typedef void (*u8g_state_cb)(uint8_t msg);
+
+
+/* PI = Pin Index */
+
+/* reset pin, usually optional */
+#define U8G_PI_RESET 0
+
+/* address / data or instruction */
+#define U8G_PI_A0 1
+#define U8G_PI_DI 1
+
+/* chip select line */
+#define U8G_PI_CS 2
+#define U8G_PI_CS1 2
+#define U8G_PI_CS2 3
+/* Feb 2013: A0 state moved from 7 to 3 for t6963 controller*/
+#define U8G_PI_A0_STATE 3
+
+/* enable / clock signal */
+#define U8G_PI_EN 4
+#define U8G_PI_CS_STATE 4
+#define U8G_PI_SCK 4
+#define U8G_PI_SCL 4
+#define U8G_PI_RD 4
+
+
+/* data pins, shared with SPI and I2C pins */
+#define U8G_PI_D0 5
+#define U8G_PI_MOSI 5
+#define U8G_PI_SDA 5
+#define U8G_PI_D1 6
+#define U8G_PI_MISO 6
+#define U8G_PI_D2 7
+#define U8G_PI_D3 8
+#define U8G_PI_SET_A0 8
+#define U8G_PI_D4 9
+#define U8G_PI_D5 10
+#define U8G_PI_I2C_OPTION 11
+#define U8G_PI_D6 11
+#define U8G_PI_D7 12
+
+/* read/write pin, must be the last pin in the list, this means U8G_PIN_LIST_LEN =  U8G_PI_RW + 1*/
+#define U8G_PI_WR 13
+#define U8G_PI_RW 13 
+
+#define U8G_PIN_LIST_LEN 14
+
+
+#define U8G_PIN_DUMMY 254
+#define U8G_PIN_NONE 255
+
+#define U8G_FONT_HEIGHT_MODE_TEXT 0
+#define U8G_FONT_HEIGHT_MODE_XTEXT 1
+#define U8G_FONT_HEIGHT_MODE_ALL 2
+
+struct _u8g_t
+{
+  u8g_uint_t width;
+  u8g_uint_t height;
+  
+  
+  u8g_dev_t *dev;               /* first device in the device chain */
+  const u8g_pgm_uint8_t *font;             /* regular font for all text procedures */
+  const u8g_pgm_uint8_t *cursor_font;  /* special font for cursor procedures */
+  uint8_t cursor_fg_color, cursor_bg_color;
+  uint8_t cursor_encoding;
+  uint8_t mode;                         /* display mode, one of U8G_MODE_xxx */
+  u8g_uint_t cursor_x;
+  u8g_uint_t cursor_y;
+  u8g_draw_cursor_fn cursor_fn;
+  
+  int8_t glyph_dx;
+  int8_t glyph_x;
+  int8_t glyph_y;
+  uint8_t glyph_width;
+  uint8_t glyph_height;
+  
+  u8g_font_calc_vref_fnptr font_calc_vref;
+  uint8_t font_height_mode;
+  int8_t font_ref_ascent;
+  int8_t font_ref_descent;
+  uint8_t font_line_spacing_factor;     /* line_spacing = factor * (ascent - descent) / 64 */
+  uint8_t line_spacing;
+  
+  u8g_dev_arg_pixel_t arg_pixel;
+  /* uint8_t color_index; */
+
+#ifdef U8G_WITH_PINLIST
+  uint8_t pin_list[U8G_PIN_LIST_LEN];
+#endif
+  
+  u8g_state_cb state_cb;
+  
+  u8g_box_t current_page;		/* current box of the visible page */
+
+};
+
+#define u8g_GetFontAscent(u8g) ((u8g)->font_ref_ascent)
+#define u8g_GetFontDescent(u8g) ((u8g)->font_ref_descent)
+#define u8g_GetFontLineSpacing(u8g) ((u8g)->line_spacing)
+
+uint8_t u8g_call_dev_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
+
+uint8_t u8g_InitLL(u8g_t *u8g, u8g_dev_t *dev);
+void u8g_FirstPageLL(u8g_t *u8g, u8g_dev_t *dev);
+uint8_t u8g_NextPageLL(u8g_t *u8g, u8g_dev_t *dev);
+uint8_t u8g_SetContrastLL(u8g_t *u8g, u8g_dev_t *dev, uint8_t contrast);
+void u8g_DrawPixelLL(u8g_t *u8g, u8g_dev_t *dev, u8g_uint_t x, u8g_uint_t y);
+void u8g_Draw8PixelLL(u8g_t *u8g, u8g_dev_t *dev, u8g_uint_t x, u8g_uint_t y, uint8_t dir, uint8_t pixel);
+void u8g_Draw4TPixelLL(u8g_t *u8g, u8g_dev_t *dev, u8g_uint_t x, u8g_uint_t y, uint8_t dir, uint8_t pixel);
+uint8_t u8g_IsBBXIntersectionLL(u8g_t *u8g, u8g_dev_t *dev, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h);	/* obsolete */
+u8g_uint_t u8g_GetWidthLL(u8g_t *u8g, u8g_dev_t *dev);
+u8g_uint_t u8g_GetHeightLL(u8g_t *u8g, u8g_dev_t *dev);
+
+void u8g_UpdateDimension(u8g_t *u8g);
+uint8_t u8g_Begin(u8g_t *u8g);				/* reset device, put it into default state and call u8g_UpdateDimension() */
+uint8_t u8g_Init(u8g_t *u8g, u8g_dev_t *dev);   /* only usefull if the device only as hardcoded ports */
+uint8_t u8g_InitComFn(u8g_t *u8g, u8g_dev_t *dev, u8g_com_fnptr com_fn);	/* Init procedure for anything which is not Arduino or AVR (e.g. ARM, but not Due, which is Arduino) */
+uint8_t u8g_InitSPI(u8g_t *u8g, u8g_dev_t *dev, uint8_t sck, uint8_t mosi, uint8_t cs, uint8_t a0, uint8_t reset);
+uint8_t u8g_InitHWSPI(u8g_t *u8g, u8g_dev_t *dev, uint8_t cs, uint8_t a0, uint8_t reset);
+uint8_t u8g_InitI2C(u8g_t *u8g, u8g_dev_t *dev, uint8_t options);	/* use U8G_I2C_OPT_NONE as options */
+uint8_t u8g_Init8BitFixedPort(u8g_t *u8g, u8g_dev_t *dev, uint8_t en, uint8_t cs, uint8_t di, uint8_t rw, uint8_t reset);
+uint8_t u8g_Init8Bit(u8g_t *u8g, u8g_dev_t *dev, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, 
+  uint8_t en, uint8_t cs1, uint8_t cs2, uint8_t di, uint8_t rw, uint8_t reset);
+uint8_t u8g_InitRW8Bit(u8g_t *u8g, u8g_dev_t *dev, uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7, 
+  uint8_t cs, uint8_t a0, uint8_t wr, uint8_t rd, uint8_t reset);
+void u8g_FirstPage(u8g_t *u8g);
+uint8_t u8g_NextPage(u8g_t *u8g);
+uint8_t u8g_SetContrast(u8g_t *u8g, uint8_t contrast);
+void u8g_SleepOn(u8g_t *u8g);
+void u8g_SleepOff(u8g_t *u8g);
+void u8g_DrawPixel(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y);
+void u8g_Draw8Pixel(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t dir, uint8_t pixel);
+void u8g_Draw4TPixel(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t dir, uint8_t pixel);
+
+uint8_t u8g_Stop(u8g_t *u8g);
+void u8g_SetColorEntry(u8g_t *u8g, uint8_t idx, uint8_t r, uint8_t g, uint8_t b);
+void u8g_SetColorIndex(u8g_t *u8g, uint8_t idx);
+void u8g_SetHiColor(u8g_t *u8g, uint16_t rgb);
+void u8g_SetHiColorByRGB(u8g_t *u8g, uint8_t r, uint8_t g, uint8_t b);
+void u8g_SetRGB(u8g_t *u8g, uint8_t r, uint8_t g, uint8_t b);
+uint8_t u8g_GetColorIndex(u8g_t *u8g);
+
+uint8_t u8g_GetDefaultForegroundColor(u8g_t *u8g);
+void u8g_SetDefaultForegroundColor(u8g_t *u8g);
+
+uint8_t u8g_GetDefaultBackgroundColor(u8g_t *u8g);
+void u8g_SetDefaultBackgroundColor(u8g_t *u8g);
+
+uint8_t u8g_GetDefaultMidColor(u8g_t *u8g);
+void u8g_SetDefaultMidColor(u8g_t *u8g);
+
+#define u8g_GetWidth(u8g) ((u8g)->width)
+#define u8g_GetHeight(u8g) ((u8g)->height)
+#define u8g_GetMode(u8g) ((u8g)->mode)
+/*
+  U8G_MODE_GET_BITS_PER_PIXEL(u8g_GetMode(u8g))
+  U8G_MODE_IS_COLOR(u8g_GetMode(u8g)) 
+*/
+
+/* u8g_state.c */
+#define U8G_STATE_ENV_IDX 0
+#define U8G_STATE_U8G_IDX 1
+#define U8G_STATE_RESTORE 0
+#define U8G_STATE_BACKUP 1
+#define U8G_STATE_MSG_COMPOSE(cmd,idx) (((cmd)<<1) | (idx))
+
+#define U8G_STATE_MSG_RESTORE_ENV U8G_STATE_MSG_COMPOSE(U8G_STATE_RESTORE,U8G_STATE_ENV_IDX)
+#define U8G_STATE_MSG_BACKUP_ENV U8G_STATE_MSG_COMPOSE(U8G_STATE_BACKUP,U8G_STATE_ENV_IDX)
+#define U8G_STATE_MSG_RESTORE_U8G U8G_STATE_MSG_COMPOSE(U8G_STATE_RESTORE,U8G_STATE_U8G_IDX)
+#define U8G_STATE_MSG_BACKUP_U8G U8G_STATE_MSG_COMPOSE(U8G_STATE_BACKUP,U8G_STATE_U8G_IDX)
+
+#define U8G_STATE_MSG_GET_IDX(msg) ((msg)&1)
+#define U8G_STATE_MSG_IS_BACKUP(msg) ((msg)&2)
+
+
+
+void u8g_state_dummy_cb(uint8_t msg);
+void u8g_backup_spi(uint8_t msg);		/* backup SPI state controller */
+/* backward compatible definition */
+#define u8g_backup_avr_spi u8g_backup_spi
+
+void u8g_SetHardwareBackup(u8g_t *u8g, u8g_state_cb backup_cb);
+
+/* u8g_clip.c */
+
+uint8_t u8g_IsBBXIntersection(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h);
+
+
+/* u8g_rot.c */
+
+void u8g_UndoRotation(u8g_t *u8g);
+void u8g_SetRot90(u8g_t *u8g);
+void u8g_SetRot180(u8g_t *u8g);
+void u8g_SetRot270(u8g_t *u8g);
+
+/* u8g_scale.c */
+
+void u8g_UndoScale(u8g_t *u8g);
+void u8g_SetScale2x2(u8g_t *u8g);
+
+
+/* u8g_font.c */
+
+size_t u8g_font_GetSize(const void *font);
+uint8_t u8g_font_GetFontStartEncoding(const void *font) U8G_NOINLINE;
+uint8_t u8g_font_GetFontEndEncoding(const void *font) U8G_NOINLINE;
+
+void u8g_SetFont(u8g_t *u8g, const u8g_fntpgm_uint8_t *font);
+
+uint8_t u8g_GetFontBBXWidth(u8g_t *u8g);
+uint8_t u8g_GetFontBBXHeight(u8g_t *u8g);
+int8_t u8g_GetFontBBXOffX(u8g_t *u8g);
+int8_t u8g_GetFontBBXOffY(u8g_t *u8g);
+uint8_t u8g_GetFontCapitalAHeight(u8g_t *u8g);
+
+uint8_t u8g_IsGlyph(u8g_t *u8g, uint8_t requested_encoding);
+int8_t u8g_GetGlyphDeltaX(u8g_t *u8g, uint8_t requested_encoding);
+
+int8_t u8g_draw_glyph(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t encoding); /* used by u8g_cursor.c */
+
+int8_t u8g_DrawGlyphDir(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t dir, uint8_t encoding);
+int8_t u8g_DrawGlyph(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t encoding);
+int8_t u8g_DrawGlyph90(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t encoding);
+int8_t u8g_DrawGlyph180(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t encoding);
+int8_t u8g_DrawGlyph270(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t encoding);
+int8_t u8g_DrawGlyphFontBBX(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t dir, uint8_t encoding);
+
+u8g_uint_t u8g_DrawStr(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const char *s);
+u8g_uint_t u8g_DrawStr90(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const char *s);
+u8g_uint_t u8g_DrawStr180(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const char *s);
+u8g_uint_t u8g_DrawStr270(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const char *s);
+
+u8g_uint_t u8g_DrawStrDir(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t dir, const char *s);
+
+
+u8g_uint_t u8g_DrawStrP(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const u8g_pgm_uint8_t *s);
+u8g_uint_t u8g_DrawStr90P(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const u8g_pgm_uint8_t *s);
+u8g_uint_t u8g_DrawStr180P(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const u8g_pgm_uint8_t *s);
+u8g_uint_t u8g_DrawStr270P(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const u8g_pgm_uint8_t *s);
+
+
+void u8g_SetFontRefHeightText(u8g_t *u8g);
+void u8g_SetFontRefHeightExtendedText(u8g_t *u8g);
+void u8g_SetFontRefHeightAll(u8g_t *u8g);
+void u8g_SetFontLineSpacingFactor(u8g_t *u8g, uint8_t factor);
+
+u8g_uint_t u8g_font_calc_vref_font(u8g_t *u8g);
+u8g_uint_t u8g_font_calc_vref_bottom(u8g_t *u8g);
+u8g_uint_t u8g_font_calc_vref_top(u8g_t *u8g);
+u8g_uint_t u8g_font_calc_vref_center(u8g_t *u8g);
+
+void u8g_SetFontPosBaseline(u8g_t *u8g);
+void u8g_SetFontPosBottom(u8g_t *u8g);
+void u8g_SetFontPosCenter(u8g_t *u8g);
+void u8g_SetFontPosTop(u8g_t *u8g);
+
+
+u8g_uint_t u8g_GetStrPixelWidth(u8g_t *u8g, const char *s);
+u8g_uint_t u8g_GetStrPixelWidthP(u8g_t *u8g, const u8g_pgm_uint8_t *s);
+int8_t u8g_GetStrX(u8g_t *u8g, const char *s);
+int8_t u8g_GetStrXP(u8g_t *u8g, const u8g_pgm_uint8_t *s);
+u8g_uint_t u8g_GetStrWidth(u8g_t *u8g, const char *s);
+u8g_uint_t u8g_GetStrWidthP(u8g_t *u8g, const u8g_pgm_uint8_t *s);
+
+u8g_uint_t u8g_DrawStrFontBBX(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, uint8_t dir, const char *s);
+
+void u8g_GetStrMinBox(u8g_t *u8g, const char *s, u8g_uint_t *x, u8g_uint_t *y, u8g_uint_t *width, u8g_uint_t *height);
+void u8g_GetStrAMinBox(u8g_t *u8g, const char *s, u8g_uint_t *x, u8g_uint_t *y, u8g_uint_t *width, u8g_uint_t *height);
+
+
+u8g_uint_t u8g_DrawAAStr(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, const char *s);
+
+/* u8g_rect.c */
+
+void u8g_draw_box(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h) U8G_NOINLINE; 
+
+void u8g_DrawHLine(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w);
+void u8g_DrawVLine(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w);
+void u8g_DrawFrame(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h);
+void u8g_DrawBox(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h);
+
+void u8g_DrawRFrame(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h, u8g_uint_t r);
+void u8g_DrawRBox(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h, u8g_uint_t r);
+
+/* u8g_bitmap.c */
+
+void u8g_DrawHBitmap(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t cnt, const uint8_t *bitmap);
+void u8g_DrawHBitmapP(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t cnt, const u8g_pgm_uint8_t *bitmap);
+void u8g_DrawBitmap(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t cnt, u8g_uint_t h, const uint8_t *bitmap);
+void u8g_DrawBitmapP(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t cnt, u8g_uint_t h, const u8g_pgm_uint8_t *bitmap);
+
+void u8g_DrawXBM(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h, const uint8_t *bitmap);
+void u8g_DrawXBMP(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h, const u8g_pgm_uint8_t *bitmap);
+
+
+/* u8g_line.c */
+void u8g_DrawLine(u8g_t *u8g, u8g_uint_t x1, u8g_uint_t y1, u8g_uint_t x2, u8g_uint_t y2);
+
+
+/* u8g_circle.c */
+
+/* the following, commented code has been rewritten or is not yet finished
+#define U8G_CIRC_UPPER_RIGHT 0x01
+#define U8G_CIRC_UPPER_LEFT  0x02
+#define U8G_CIRC_LOWER_LEFT 0x04
+#define U8G_CIRC_LOWER_RIGHT  0x08
+#define U8G_CIRC_ALL (U8G_CIRC_UPPER_RIGHT|U8G_CIRC_UPPER_LEFT|U8G_CIRC_LOWER_RIGHT|U8G_CIRC_LOWER_LEFT)
+void u8g_DrawEmpCirc(u8g_t *u8g, u8g_uint_t x0, u8g_uint_t y0, u8g_uint_t rad, uint8_t option);
+void u8g_DrawFillCirc(u8g_t *u8g, u8g_uint_t x0, u8g_uint_t y0, u8g_uint_t rad, uint8_t option);
+void u8g_DrawEllipseRect(u8g_t *u8g, u8g_uint_t x0, u8g_uint_t y0, u8g_uint_t x1, u8g_uint_t y1);
+*/
+
+#define U8G_DRAW_UPPER_RIGHT 0x01
+#define U8G_DRAW_UPPER_LEFT  0x02
+#define U8G_DRAW_LOWER_LEFT 0x04
+#define U8G_DRAW_LOWER_RIGHT  0x08
+#define U8G_DRAW_ALL (U8G_DRAW_UPPER_RIGHT|U8G_DRAW_UPPER_LEFT|U8G_DRAW_LOWER_RIGHT|U8G_DRAW_LOWER_LEFT)
+
+void u8g_draw_circle(u8g_t *u8g, u8g_uint_t x0, u8g_uint_t y0, u8g_uint_t rad, uint8_t option) U8G_NOINLINE;
+void u8g_draw_disc(u8g_t *u8g, u8g_uint_t x0, u8g_uint_t y0, u8g_uint_t rad, uint8_t option) U8G_NOINLINE;
+
+void u8g_DrawCircle(u8g_t *u8g, u8g_uint_t x0, u8g_uint_t y0, u8g_uint_t rad, uint8_t option);
+void u8g_DrawDisc(u8g_t *u8g, u8g_uint_t x0, u8g_uint_t y0, u8g_uint_t rad, uint8_t option);
+
+/* u8g_ellipse.c */
+void u8g_DrawEllipse(u8g_t *u8g, u8g_uint_t x0, u8g_uint_t y0, u8g_uint_t rx, u8g_uint_t ry, uint8_t option);
+void u8g_DrawFilledEllipse(u8g_t *u8g, u8g_uint_t x0, u8g_uint_t y0, u8g_uint_t rx, u8g_uint_t ry, uint8_t option);
+
+/* u8g_clip.c */
+uint8_t u8g_is_box_bbx_intersection(u8g_box_t *box, u8g_dev_arg_bbx_t *bbx);
+
+
+/* u8g_cursor.c */
+void u8g_SetCursorFont(u8g_t *u8g, const u8g_pgm_uint8_t *cursor_font);
+void u8g_SetCursorStyle(u8g_t *u8g, uint8_t encoding);
+void u8g_SetCursorPos(u8g_t *u8g, u8g_uint_t cursor_x, u8g_uint_t cursor_y);
+void u8g_SetCursorColor(u8g_t *u8g, uint8_t fg, uint8_t bg);
+void u8g_EnableCursor(u8g_t *u8g);
+void u8g_DisableCursor(u8g_t *u8g);
+void u8g_DrawCursor(u8g_t *u8g);
+
+
+
+/*===============================================================*/
+/* u8g_virtual_screen.c */
+void u8g_SetVirtualScreenDimension(u8g_t *vs_u8g, u8g_uint_t width, u8g_uint_t height);
+uint8_t u8g_AddToVirtualScreen(u8g_t *vs_u8g, u8g_uint_t x, u8g_uint_t y, u8g_t *child_u8g);
+
+/*===============================================================*/
+void st_Draw(uint8_t fps);
+void st_Step(uint8_t player_pos, uint8_t is_auto_fire, uint8_t is_fire);
+
+/*===============================================================*/
+/* u8g_com_i2c.c */
+
+/* options for u8g_i2c_init() */
+#define U8G_I2C_OPT_NONE 0
+
+/* retrun values from u8g_twi_get_error() */
+#define U8G_I2C_ERR_NONE 0x00
+/* the following values are bit masks */
+#define U8G_I2C_ERR_TIMEOUT 0x01
+#define U8G_I2C_ERR_BUS 0x02
+
+void u8g_i2c_clear_error(void) U8G_NOINLINE;
+uint8_t  u8g_i2c_get_error(void) U8G_NOINLINE;
+uint8_t u8g_i2c_get_err_pos(void) U8G_NOINLINE;
+void u8g_i2c_init(uint8_t options) U8G_NOINLINE;		/* use U8G_I2C_OPT_NONE as options */
+uint8_t u8g_i2c_wait(uint8_t mask, uint8_t pos) U8G_NOINLINE;
+uint8_t u8g_i2c_start(uint8_t sla) U8G_NOINLINE;
+uint8_t u8g_i2c_send_byte(uint8_t data) U8G_NOINLINE;
+void u8g_i2c_stop(void) U8G_NOINLINE;
+
+
+/*===============================================================*/
+/* u8g_u8toa.c */
+/* v = value, d = number of digits */
+const char *u8g_u8toa(uint8_t v, uint8_t d);
+
+/* u8g_u8toa.c */
+/* v = value, d = number of digits */
+const char *u8g_u16toa(uint16_t v, uint8_t d);
+
+/*===============================================================*/
+/* u8g_delay.c */
+
+/* delay by the specified number of milliseconds */
+void u8g_Delay(uint16_t val);
+
+/* delay by one microsecond */
+void u8g_MicroDelay(void);
+
+/* delay by 10 microseconds */
+void u8g_10MicroDelay(void);
+
+/*===============================================================*/
+/* chessengine.c */
+#define CHESS_KEY_NONE 0
+#define CHESS_KEY_NEXT 1
+#define CHESS_KEY_PREV 2
+#define CHESS_KEY_SELECT 3
+#define CHESS_KEY_BACK 4
+
+void chess_Init(u8g_t *u8g, uint8_t empty_body_color);
+void chess_Draw(void);
+void chess_Step(uint8_t keycode);
+
+/*===============================================================*/
+/* font definitions */
+extern const u8g_fntpgm_uint8_t u8g_font_m2icon_5[] U8G_FONT_SECTION("u8g_font_m2icon_5");
+extern const u8g_fntpgm_uint8_t u8g_font_m2icon_7[] U8G_FONT_SECTION("u8g_font_m2icon_7");
+extern const u8g_fntpgm_uint8_t u8g_font_m2icon_9[] U8G_FONT_SECTION("u8g_font_m2icon_9");
+
+extern const u8g_fntpgm_uint8_t u8g_font_u8glib_4[] U8G_FONT_SECTION("u8g_font_u8glib_4");
+extern const u8g_fntpgm_uint8_t u8g_font_u8glib_4r[] U8G_FONT_SECTION("u8g_font_u8glib_4r");
+
+
+extern const u8g_fntpgm_uint8_t u8g_font_6x12_75r[] U8G_FONT_SECTION("u8g_font_6x12_75r");
+extern const u8g_fntpgm_uint8_t u8g_font_6x13_75r[] U8G_FONT_SECTION("u8g_font_6x13_75r");
+extern const u8g_fntpgm_uint8_t u8g_font_7x13_75r[] U8G_FONT_SECTION("u8g_font_7x13_75r");
+extern const u8g_fntpgm_uint8_t u8g_font_8x13_75r[] U8G_FONT_SECTION("u8g_font_8x13_75r");
+extern const u8g_fntpgm_uint8_t u8g_font_9x15_75r[] U8G_FONT_SECTION("u8g_font_9x15_75r");
+extern const u8g_fntpgm_uint8_t u8g_font_9x18_75r[] U8G_FONT_SECTION("u8g_font_9x18_75r");
+extern const u8g_fntpgm_uint8_t u8g_font_cu12_75r[] U8G_FONT_SECTION("u8g_font_cu12_75r");
+extern const u8g_fntpgm_uint8_t u8g_font_unifont_75r[] U8G_FONT_SECTION("u8g_font_unifont_75r");
+extern const u8g_fntpgm_uint8_t u8g_font_10x20_75r[] U8G_FONT_SECTION("u8g_font_10x20_75r");
+
+extern const u8g_fntpgm_uint8_t u8g_font_10x20_67_75[] U8G_FONT_SECTION("u8g_font_10x20_67_75");
+extern const u8g_fntpgm_uint8_t u8g_font_10x20_78_79[] U8G_FONT_SECTION("u8g_font_10x20_78_79");
+extern const u8g_fntpgm_uint8_t u8g_font_10x20[] U8G_FONT_SECTION("u8g_font_10x20");
+extern const u8g_fntpgm_uint8_t u8g_font_10x20r[] U8G_FONT_SECTION("u8g_font_10x20r");
+extern const u8g_fntpgm_uint8_t u8g_font_4x6[] U8G_FONT_SECTION("u8g_font_4x6");
+extern const u8g_fntpgm_uint8_t u8g_font_4x6r[] U8G_FONT_SECTION("u8g_font_4x6r");
+//extern const u8g_fntpgm_uint8_t u8g_font_4x6n[] U8G_FONT_SECTION("u8g_font_4x6n");
+extern const u8g_fntpgm_uint8_t u8g_font_5x7[] U8G_FONT_SECTION("u8g_font_5x7");
+extern const u8g_fntpgm_uint8_t u8g_font_5x7r[] U8G_FONT_SECTION("u8g_font_5x7r");
+extern const u8g_fntpgm_uint8_t u8g_font_5x8[] U8G_FONT_SECTION("u8g_font_5x8");
+extern const u8g_fntpgm_uint8_t u8g_font_5x8r[] U8G_FONT_SECTION("u8g_font_5x8r");
+extern const u8g_fntpgm_uint8_t u8g_font_6x10[] U8G_FONT_SECTION("u8g_font_6x10");
+extern const u8g_fntpgm_uint8_t u8g_font_6x10r[] U8G_FONT_SECTION("u8g_font_6x10r");
+extern const u8g_fntpgm_uint8_t u8g_font_6x12_67_75[] U8G_FONT_SECTION("u8g_font_6x12_67_75");
+extern const u8g_fntpgm_uint8_t u8g_font_6x12_78_79[] U8G_FONT_SECTION("u8g_font_6x12_78_79");
+extern const u8g_fntpgm_uint8_t u8g_font_6x12[] U8G_FONT_SECTION("u8g_font_6x12");
+extern const u8g_fntpgm_uint8_t u8g_font_6x12r[] U8G_FONT_SECTION("u8g_font_6x12r");
+extern const u8g_fntpgm_uint8_t u8g_font_6x13_67_75[] U8G_FONT_SECTION("u8g_font_6x13_67_75");
+extern const u8g_fntpgm_uint8_t u8g_font_6x13_78_79[] U8G_FONT_SECTION("u8g_font_6x13_78_79");
+extern const u8g_fntpgm_uint8_t u8g_font_6x13B[] U8G_FONT_SECTION("u8g_font_6x13B");
+extern const u8g_fntpgm_uint8_t u8g_font_6x13Br[] U8G_FONT_SECTION("u8g_font_6x13Br");
+extern const u8g_fntpgm_uint8_t u8g_font_6x13[] U8G_FONT_SECTION("u8g_font_6x13");
+extern const u8g_fntpgm_uint8_t u8g_font_6x13r[] U8G_FONT_SECTION("u8g_font_6x13r");
+extern const u8g_fntpgm_uint8_t u8g_font_6x13O[] U8G_FONT_SECTION("u8g_font_6x13O");
+extern const u8g_fntpgm_uint8_t u8g_font_6x13Or[] U8G_FONT_SECTION("u8g_font_6x13Or");
+extern const u8g_fntpgm_uint8_t u8g_font_7x13_67_75[] U8G_FONT_SECTION("u8g_font_7x13_67_75");
+extern const u8g_fntpgm_uint8_t u8g_font_7x13_78_79[] U8G_FONT_SECTION("u8g_font_7x13_78_79");
+extern const u8g_fntpgm_uint8_t u8g_font_7x13B[] U8G_FONT_SECTION("u8g_font_7x13B");
+extern const u8g_fntpgm_uint8_t u8g_font_7x13Br[] U8G_FONT_SECTION("u8g_font_7x13Br");
+extern const u8g_fntpgm_uint8_t u8g_font_7x13[] U8G_FONT_SECTION("u8g_font_7x13");
+extern const u8g_fntpgm_uint8_t u8g_font_7x13r[] U8G_FONT_SECTION("u8g_font_7x13r");
+extern const u8g_fntpgm_uint8_t u8g_font_7x13O[] U8G_FONT_SECTION("u8g_font_7x13O");
+extern const u8g_fntpgm_uint8_t u8g_font_7x13Or[] U8G_FONT_SECTION("u8g_font_7x13Or");
+extern const u8g_fntpgm_uint8_t u8g_font_7x14B[] U8G_FONT_SECTION("u8g_font_7x14B");
+extern const u8g_fntpgm_uint8_t u8g_font_7x14Br[] U8G_FONT_SECTION("u8g_font_7x14Br");
+extern const u8g_fntpgm_uint8_t u8g_font_7x14[] U8G_FONT_SECTION("u8g_font_7x14");
+extern const u8g_fntpgm_uint8_t u8g_font_7x14r[] U8G_FONT_SECTION("u8g_font_7x14r");
+extern const u8g_fntpgm_uint8_t u8g_font_8x13_67_75[] U8G_FONT_SECTION("u8g_font_8x13_67_75");
+extern const u8g_fntpgm_uint8_t u8g_font_8x13B[] U8G_FONT_SECTION("u8g_font_8x13B");
+extern const u8g_fntpgm_uint8_t u8g_font_8x13Br[] U8G_FONT_SECTION("u8g_font_8x13Br");
+extern const u8g_fntpgm_uint8_t u8g_font_8x13[] U8G_FONT_SECTION("u8g_font_8x13");
+extern const u8g_fntpgm_uint8_t u8g_font_8x13r[] U8G_FONT_SECTION("u8g_font_8x13r");
+extern const u8g_fntpgm_uint8_t u8g_font_8x13O[] U8G_FONT_SECTION("u8g_font_8x13O");
+extern const u8g_fntpgm_uint8_t u8g_font_8x13Or[] U8G_FONT_SECTION("u8g_font_8x13Or");
+
+extern const u8g_fntpgm_uint8_t u8g_font_9x15_67_75[] U8G_FONT_SECTION("u8g_font_9x15_67_75");
+extern const u8g_fntpgm_uint8_t u8g_font_9x15_78_79[] U8G_FONT_SECTION("u8g_font_9x15_78_79");
+extern const u8g_fntpgm_uint8_t u8g_font_9x15B[] U8G_FONT_SECTION("u8g_font_9x15B");
+extern const u8g_fntpgm_uint8_t u8g_font_9x15Br[] U8G_FONT_SECTION("u8g_font_9x15Br");
+extern const u8g_fntpgm_uint8_t u8g_font_9x15[] U8G_FONT_SECTION("u8g_font_9x15");
+extern const u8g_fntpgm_uint8_t u8g_font_9x15r[] U8G_FONT_SECTION("u8g_font_9x15r");
+
+extern const u8g_fntpgm_uint8_t u8g_font_9x18_67_75[] U8G_FONT_SECTION("u8g_font_9x18_67_75");
+extern const u8g_fntpgm_uint8_t u8g_font_9x18_78_79[] U8G_FONT_SECTION("u8g_font_9x18_78_79");
+extern const u8g_fntpgm_uint8_t u8g_font_9x18B[] U8G_FONT_SECTION("u8g_font_9x18B");
+extern const u8g_fntpgm_uint8_t u8g_font_9x18[] U8G_FONT_SECTION("u8g_font_9x18");
+extern const u8g_fntpgm_uint8_t u8g_font_9x18Br[] U8G_FONT_SECTION("u8g_font_9x18Br");
+extern const u8g_fntpgm_uint8_t u8g_font_9x18r[] U8G_FONT_SECTION("u8g_font_9x18r");
+
+extern const u8g_fntpgm_uint8_t u8g_font_cursor[] U8G_FONT_SECTION("u8g_font_cursor");
+extern const u8g_fntpgm_uint8_t u8g_font_cursorr[] U8G_FONT_SECTION("u8g_font_cursorr");
+extern const u8g_fntpgm_uint8_t u8g_font_micro[] U8G_FONT_SECTION("u8g_font_micro");
+
+extern const u8g_fntpgm_uint8_t u8g_font_cu12_67_75[] U8G_FONT_SECTION("u8g_font_cu12_67_75");
+extern const u8g_fntpgm_uint8_t u8g_font_cu12_78_79[] U8G_FONT_SECTION("u8g_font_cu12_78_79");
+extern const u8g_fntpgm_uint8_t u8g_font_cu12[] U8G_FONT_SECTION("u8g_font_cu12");
+
+/* 
+  Free-Universal Bold 
+  r: Reduced char set (codes 32 - 128)
+  n: Numbers (codes 42 - 57)
+  no char: Full set (codes 32 - 255)
+*/
+
+extern const u8g_fntpgm_uint8_t u8g_font_fub11[] U8G_FONT_SECTION("u8g_font_fub11");
+extern const u8g_fntpgm_uint8_t u8g_font_fub11r[] U8G_FONT_SECTION("u8g_font_fub11r");
+extern const u8g_fntpgm_uint8_t u8g_font_fub11n[] U8G_FONT_SECTION("u8g_font_fub11n");
+extern const u8g_fntpgm_uint8_t u8g_font_fub14[] U8G_FONT_SECTION("u8g_font_fub14");
+extern const u8g_fntpgm_uint8_t u8g_font_fub14r[] U8G_FONT_SECTION("u8g_font_fub14r");
+extern const u8g_fntpgm_uint8_t u8g_font_fub14n[] U8G_FONT_SECTION("u8g_font_fub14n");
+extern const u8g_fntpgm_uint8_t u8g_font_fub17[] U8G_FONT_SECTION("u8g_font_fub17");
+extern const u8g_fntpgm_uint8_t u8g_font_fub17r[] U8G_FONT_SECTION("u8g_font_fub17r");
+extern const u8g_fntpgm_uint8_t u8g_font_fub17n[] U8G_FONT_SECTION("u8g_font_fub17n");
+extern const u8g_fntpgm_uint8_t u8g_font_fub20[] U8G_FONT_SECTION("u8g_font_fub20");
+extern const u8g_fntpgm_uint8_t u8g_font_fub20r[] U8G_FONT_SECTION("u8g_font_fub20r");
+extern const u8g_fntpgm_uint8_t u8g_font_fub20n[] U8G_FONT_SECTION("u8g_font_fub20n");
+extern const u8g_fntpgm_uint8_t u8g_font_fub25[] U8G_FONT_SECTION("u8g_font_fub25");
+extern const u8g_fntpgm_uint8_t u8g_font_fub25r[] U8G_FONT_SECTION("u8g_font_fub25r");
+extern const u8g_fntpgm_uint8_t u8g_font_fub25n[] U8G_FONT_SECTION("u8g_font_fub25n");
+extern const u8g_fntpgm_uint8_t u8g_font_fub30[] U8G_FONT_SECTION("u8g_font_fub30");
+extern const u8g_fntpgm_uint8_t u8g_font_fub30r[] U8G_FONT_SECTION("u8g_font_fub30r");
+extern const u8g_fntpgm_uint8_t u8g_font_fub30n[] U8G_FONT_SECTION("u8g_font_fub30n");
+extern const u8g_fntpgm_uint8_t u8g_font_fub35n[] U8G_FONT_SECTION("u8g_font_fub35n");
+extern const u8g_fntpgm_uint8_t u8g_font_fub42n[] U8G_FONT_SECTION("u8g_font_fub42n");
+extern const u8g_fntpgm_uint8_t u8g_font_fub49n[] U8G_FONT_SECTION("u8g_font_fub49n");
+
+/* 
+  Free-Universal Regular
+  r: Reduced char set (codes 32 - 128)
+  n: Numbers (codes 42 - 57)
+  no char: Full set (codes 32 - 255)
+*/
+
+extern const u8g_fntpgm_uint8_t u8g_font_fur11[] U8G_FONT_SECTION("u8g_font_fur11");
+extern const u8g_fntpgm_uint8_t u8g_font_fur11r[] U8G_FONT_SECTION("u8g_font_fur11r");
+extern const u8g_fntpgm_uint8_t u8g_font_fur11n[] U8G_FONT_SECTION("u8g_font_fur11n");
+extern const u8g_fntpgm_uint8_t u8g_font_fur14[] U8G_FONT_SECTION("u8g_font_fur14");
+extern const u8g_fntpgm_uint8_t u8g_font_fur14r[] U8G_FONT_SECTION("u8g_font_fur14r");
+extern const u8g_fntpgm_uint8_t u8g_font_fur14n[] U8G_FONT_SECTION("u8g_font_fur14n");
+extern const u8g_fntpgm_uint8_t u8g_font_fur17[] U8G_FONT_SECTION("u8g_font_fur17");
+extern const u8g_fntpgm_uint8_t u8g_font_fur17r[] U8G_FONT_SECTION("u8g_font_fur17r");
+extern const u8g_fntpgm_uint8_t u8g_font_fur17n[] U8G_FONT_SECTION("u8g_font_fur17n");
+extern const u8g_fntpgm_uint8_t u8g_font_fur20[] U8G_FONT_SECTION("u8g_font_fur20");
+extern const u8g_fntpgm_uint8_t u8g_font_fur20r[] U8G_FONT_SECTION("u8g_font_fur20r");
+extern const u8g_fntpgm_uint8_t u8g_font_fur20n[] U8G_FONT_SECTION("u8g_font_fur20n");
+extern const u8g_fntpgm_uint8_t u8g_font_fur25[] U8G_FONT_SECTION("u8g_font_fur25");
+extern const u8g_fntpgm_uint8_t u8g_font_fur25r[] U8G_FONT_SECTION("u8g_font_fur25r");
+extern const u8g_fntpgm_uint8_t u8g_font_fur25n[] U8G_FONT_SECTION("u8g_font_fur25n");
+extern const u8g_fntpgm_uint8_t u8g_font_fur30[] U8G_FONT_SECTION("u8g_font_fur30");
+extern const u8g_fntpgm_uint8_t u8g_font_fur30r[] U8G_FONT_SECTION("u8g_font_fur30r");
+extern const u8g_fntpgm_uint8_t u8g_font_fur30n[] U8G_FONT_SECTION("u8g_font_fur30n");
+extern const u8g_fntpgm_uint8_t u8g_font_fur35n[] U8G_FONT_SECTION("u8g_font_fur35n");
+extern const u8g_fntpgm_uint8_t u8g_font_fur42n[] U8G_FONT_SECTION("u8g_font_fur42n");
+extern const u8g_fntpgm_uint8_t u8g_font_fur49n[] U8G_FONT_SECTION("u8g_font_fur49n");
+
+/* 
+  Gentium Bold
+  r: Reduced char set (codes 32 - 128)
+  n: Numbers (codes 42 - 57)
+  no char: Full set (codes 32 - 255)
+*/
+
+extern const u8g_fntpgm_uint8_t u8g_font_gdb11[] U8G_FONT_SECTION("u8g_font_gdb11");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb12[] U8G_FONT_SECTION("u8g_font_gdb12");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb14[] U8G_FONT_SECTION("u8g_font_gdb14");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb17[] U8G_FONT_SECTION("u8g_font_gdb17");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb20[] U8G_FONT_SECTION("u8g_font_gdb20");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb25[] U8G_FONT_SECTION("u8g_font_gdb25");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb30[] U8G_FONT_SECTION("u8g_font_gdb30");
+
+extern const u8g_fntpgm_uint8_t u8g_font_gdb11r[] U8G_FONT_SECTION("u8g_font_gdb11r");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb12r[] U8G_FONT_SECTION("u8g_font_gdb12r");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb14r[] U8G_FONT_SECTION("u8g_font_gdb14r");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb17r[] U8G_FONT_SECTION("u8g_font_gdb17r");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb20r[] U8G_FONT_SECTION("u8g_font_gdb20r");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb25r[] U8G_FONT_SECTION("u8g_font_gdb25r");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb30r[] U8G_FONT_SECTION("u8g_font_gdb30r");
+
+extern const u8g_fntpgm_uint8_t u8g_font_gdb11n[] U8G_FONT_SECTION("u8g_font_gdb11n");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb12n[] U8G_FONT_SECTION("u8g_font_gdb12n");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb14n[] U8G_FONT_SECTION("u8g_font_gdb14n");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb17n[] U8G_FONT_SECTION("u8g_font_gdb17n");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb20n[] U8G_FONT_SECTION("u8g_font_gdb20n");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb25n[] U8G_FONT_SECTION("u8g_font_gdb25n");
+extern const u8g_fntpgm_uint8_t u8g_font_gdb30n[] U8G_FONT_SECTION("u8g_font_gdb30n");
+
+/* 
+  Gentium Regular
+  r: Reduced char set (codes 32 - 128)
+  n: Numbers (codes 42 - 57)
+  no char: Full set (codes 32 - 255)
+*/
+
+extern const u8g_fntpgm_uint8_t u8g_font_gdr9[] U8G_FONT_SECTION("u8g_font_gdr9");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr10[] U8G_FONT_SECTION("u8g_font_gdr10");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr11[] U8G_FONT_SECTION("u8g_font_gdr11");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr12[] U8G_FONT_SECTION("u8g_font_gdr12");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr14[] U8G_FONT_SECTION("u8g_font_gdr14");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr17[] U8G_FONT_SECTION("u8g_font_gdr17");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr20[] U8G_FONT_SECTION("u8g_font_gdr20");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr25[] U8G_FONT_SECTION("u8g_font_gdr25");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr30[] U8G_FONT_SECTION("u8g_font_gdr30");
+
+extern const u8g_fntpgm_uint8_t u8g_font_gdr9r[] U8G_FONT_SECTION("u8g_font_gdr9r");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr10r[] U8G_FONT_SECTION("u8g_font_gdr10r");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr11r[] U8G_FONT_SECTION("u8g_font_gdr11r");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr12r[] U8G_FONT_SECTION("u8g_font_gdr12r");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr14r[] U8G_FONT_SECTION("u8g_font_gdr14r");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr17r[] U8G_FONT_SECTION("u8g_font_gdr17r");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr20r[] U8G_FONT_SECTION("u8g_font_gdr20r");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr25r[] U8G_FONT_SECTION("u8g_font_gdr25r");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr30r[] U8G_FONT_SECTION("u8g_font_gdr30r");
+
+extern const u8g_fntpgm_uint8_t u8g_font_gdr9n[] U8G_FONT_SECTION("u8g_font_gdr9n");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr10n[] U8G_FONT_SECTION("u8g_font_gdr10n");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr11n[] U8G_FONT_SECTION("u8g_font_gdr11n");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr12n[] U8G_FONT_SECTION("u8g_font_gdr12n");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr14n[] U8G_FONT_SECTION("u8g_font_gdr14n");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr17n[] U8G_FONT_SECTION("u8g_font_gdr17n");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr20n[] U8G_FONT_SECTION("u8g_font_gdr20n");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr25n[] U8G_FONT_SECTION("u8g_font_gdr25n");
+extern const u8g_fntpgm_uint8_t u8g_font_gdr30n[] U8G_FONT_SECTION("u8g_font_gdr30n");
+
+/* 
+  Old-Standard Bold
+  r: Reduced char set (codes 32 - 128)
+  n: Numbers (codes 42 - 57)
+  no char: Full set (codes 32 - 255)
+*/
+
+extern const u8g_fntpgm_uint8_t u8g_font_osb18[] U8G_FONT_SECTION("u8g_font_osb18");
+extern const u8g_fntpgm_uint8_t u8g_font_osb21[] U8G_FONT_SECTION("u8g_font_osb21");
+extern const u8g_fntpgm_uint8_t u8g_font_osb26[] U8G_FONT_SECTION("u8g_font_osb26");
+extern const u8g_fntpgm_uint8_t u8g_font_osb29[] U8G_FONT_SECTION("u8g_font_osb29");
+extern const u8g_fntpgm_uint8_t u8g_font_osb35[] U8G_FONT_SECTION("u8g_font_osb35");
+
+extern const u8g_fntpgm_uint8_t u8g_font_osb18r[] U8G_FONT_SECTION("u8g_font_osb18r");
+extern const u8g_fntpgm_uint8_t u8g_font_osb21r[] U8G_FONT_SECTION("u8g_font_osb21r");
+extern const u8g_fntpgm_uint8_t u8g_font_osb26r[] U8G_FONT_SECTION("u8g_font_osb26r");
+extern const u8g_fntpgm_uint8_t u8g_font_osb29r[] U8G_FONT_SECTION("u8g_font_osb29r");
+extern const u8g_fntpgm_uint8_t u8g_font_osb35r[] U8G_FONT_SECTION("u8g_font_osb35r");
+
+extern const u8g_fntpgm_uint8_t u8g_font_osb18n[] U8G_FONT_SECTION("u8g_font_osb18n");
+extern const u8g_fntpgm_uint8_t u8g_font_osb21n[] U8G_FONT_SECTION("u8g_font_osb21n");
+extern const u8g_fntpgm_uint8_t u8g_font_osb26n[] U8G_FONT_SECTION("u8g_font_osb26n");
+extern const u8g_fntpgm_uint8_t u8g_font_osb29n[] U8G_FONT_SECTION("u8g_font_osb29n");
+extern const u8g_fntpgm_uint8_t u8g_font_osb35n[] U8G_FONT_SECTION("u8g_font_osb35n");
+
+/* 
+  Old-Standard Regular
+  r: Reduced char set (codes 32 - 128)
+  n: Numbers (codes 42 - 57)
+  no char: Full set (codes 32 - 255)
+*/
+
+extern const u8g_fntpgm_uint8_t u8g_font_osr18[] U8G_FONT_SECTION("u8g_font_osr18");
+extern const u8g_fntpgm_uint8_t u8g_font_osr21[] U8G_FONT_SECTION("u8g_font_osr21");
+extern const u8g_fntpgm_uint8_t u8g_font_osr26[] U8G_FONT_SECTION("u8g_font_osr26");
+extern const u8g_fntpgm_uint8_t u8g_font_osr29[] U8G_FONT_SECTION("u8g_font_osr29");
+extern const u8g_fntpgm_uint8_t u8g_font_osr35[] U8G_FONT_SECTION("u8g_font_osr35");
+
+extern const u8g_fntpgm_uint8_t u8g_font_osr18r[] U8G_FONT_SECTION("u8g_font_osr18r");
+extern const u8g_fntpgm_uint8_t u8g_font_osr21r[] U8G_FONT_SECTION("u8g_font_osr21r");
+extern const u8g_fntpgm_uint8_t u8g_font_osr26r[] U8G_FONT_SECTION("u8g_font_osr26r");
+extern const u8g_fntpgm_uint8_t u8g_font_osr29r[] U8G_FONT_SECTION("u8g_font_osr29r");
+extern const u8g_fntpgm_uint8_t u8g_font_osr35r[] U8G_FONT_SECTION("u8g_font_osr35r");
+
+extern const u8g_fntpgm_uint8_t u8g_font_osr18n[] U8G_FONT_SECTION("u8g_font_osr18n");
+extern const u8g_fntpgm_uint8_t u8g_font_osr21n[] U8G_FONT_SECTION("u8g_font_osr21n");
+extern const u8g_fntpgm_uint8_t u8g_font_osr26n[] U8G_FONT_SECTION("u8g_font_osr26n");
+extern const u8g_fntpgm_uint8_t u8g_font_osr29n[] U8G_FONT_SECTION("u8g_font_osr29n");
+extern const u8g_fntpgm_uint8_t u8g_font_osr35n[] U8G_FONT_SECTION("u8g_font_osr35n");
+
+//extern const u8g_fntpgm_uint8_t u8g_font_osr41[] U8G_FONT_SECTION("u8g_font_osr41");
+
+/* GNU unifont */
+
+extern const u8g_fntpgm_uint8_t u8g_font_unifont_18_19[] U8G_FONT_SECTION("u8g_font_unifont_18_19");
+extern const u8g_fntpgm_uint8_t u8g_font_unifont_72_73[] U8G_FONT_SECTION("u8g_font_unifont_72_73");
+extern const u8g_fntpgm_uint8_t u8g_font_unifont_67_75[] U8G_FONT_SECTION("u8g_font_unifont_67_75");
+extern const u8g_fntpgm_uint8_t u8g_font_unifont_76[] U8G_FONT_SECTION("u8g_font_unifont_76");
+extern const u8g_fntpgm_uint8_t u8g_font_unifont_77[] U8G_FONT_SECTION("u8g_font_unifont_77");
+extern const u8g_fntpgm_uint8_t u8g_font_unifont_78_79[] U8G_FONT_SECTION("u8g_font_unifont_78_79");
+extern const u8g_fntpgm_uint8_t u8g_font_unifont_86[] U8G_FONT_SECTION("u8g_font_unifont_86");
+extern const u8g_fntpgm_uint8_t u8g_font_unifont[] U8G_FONT_SECTION("u8g_font_unifont");
+extern const u8g_fntpgm_uint8_t u8g_font_unifontr[] U8G_FONT_SECTION("u8g_font_unifontr");
+extern const u8g_fntpgm_uint8_t u8g_font_unifont_0_8[] U8G_FONT_SECTION("u8g_font_unifont_0_8");
+extern const u8g_fntpgm_uint8_t u8g_font_unifont_2_3[] U8G_FONT_SECTION("u8g_font_unifont_2_3");
+extern const u8g_fntpgm_uint8_t u8g_font_unifont_4_5[] U8G_FONT_SECTION("u8g_font_unifont_4_5");
+extern const u8g_fntpgm_uint8_t u8g_font_unifont_8_9[] U8G_FONT_SECTION("u8g_font_unifont_8_9");
+extern const u8g_fntpgm_uint8_t u8g_font_unifont_12_13[] U8G_FONT_SECTION("u8g_font_unifont_12_13");
+
+
+/* 04b fonts */
+
+extern const u8g_fntpgm_uint8_t u8g_font_04b_03b[] U8G_FONT_SECTION("u8g_font_04b_03b"); 
+extern const u8g_fntpgm_uint8_t u8g_font_04b_03bn[] U8G_FONT_SECTION("u8g_font_04b_03bn");
+extern const u8g_fntpgm_uint8_t u8g_font_04b_03br[] U8G_FONT_SECTION("u8g_font_04b_03br");
+extern const u8g_fntpgm_uint8_t u8g_font_04b_03[] U8G_FONT_SECTION("u8g_font_04b_03");
+extern const u8g_fntpgm_uint8_t u8g_font_04b_03n[] U8G_FONT_SECTION("u8g_font_04b_03n");
+extern const u8g_fntpgm_uint8_t u8g_font_04b_03r[] U8G_FONT_SECTION("u8g_font_04b_03r");
+extern const u8g_fntpgm_uint8_t u8g_font_04b_24[] U8G_FONT_SECTION("u8g_font_04b_24");
+extern const u8g_fntpgm_uint8_t u8g_font_04b_24n[] U8G_FONT_SECTION("u8g_font_04b_24n");
+extern const u8g_fntpgm_uint8_t u8g_font_04b_24r[] U8G_FONT_SECTION("u8g_font_04b_24r");
+
+/* orgdot fonts */
+
+extern const u8g_fntpgm_uint8_t u8g_font_orgv01[] U8G_FONT_SECTION("u8g_font_orgv01");
+extern const u8g_fntpgm_uint8_t u8g_font_orgv01r[] U8G_FONT_SECTION("u8g_font_orgv01r");
+extern const u8g_fntpgm_uint8_t u8g_font_orgv01n[] U8G_FONT_SECTION("u8g_font_orgv01n");
+
+extern const u8g_fntpgm_uint8_t u8g_font_fixed_v0[] U8G_FONT_SECTION("u8g_font_fixed_v0");
+extern const u8g_fntpgm_uint8_t u8g_font_fixed_v0r[] U8G_FONT_SECTION("u8g_font_fixed_v0r");
+extern const u8g_fntpgm_uint8_t u8g_font_fixed_v0n[] U8G_FONT_SECTION("u8g_font_fixed_v0n");
+
+extern const u8g_fntpgm_uint8_t u8g_font_tpssb[] U8G_FONT_SECTION("u8g_font_tpssb");
+extern const u8g_fntpgm_uint8_t u8g_font_tpssbr[] U8G_FONT_SECTION("u8g_font_tpssbr");
+extern const u8g_fntpgm_uint8_t u8g_font_tpssbn[] U8G_FONT_SECTION("u8g_font_tpssbn");
+
+extern const u8g_fntpgm_uint8_t u8g_font_tpss[] U8G_FONT_SECTION("u8g_font_tpss");
+extern const u8g_fntpgm_uint8_t u8g_font_tpssr[] U8G_FONT_SECTION("u8g_font_tpssr");
+extern const u8g_fntpgm_uint8_t u8g_font_tpssn[] U8G_FONT_SECTION("u8g_font_tpssn");
+
+/* contributed */
+
+extern const u8g_fntpgm_uint8_t u8g_font_freedoomr25n[] U8G_FONT_SECTION("u8g_font_freedoomr25n");
+extern const u8g_fntpgm_uint8_t u8g_font_freedoomr10r[] U8G_FONT_SECTION("u8g_font_freedoomr10r");
+
+/* adobe X11 */
+extern const u8g_fntpgm_uint8_t u8g_font_courB08[] U8G_FONT_SECTION("u8g_font_courB08");
+extern const u8g_fntpgm_uint8_t u8g_font_courB08r[] U8G_FONT_SECTION("u8g_font_courB08r");
+extern const u8g_fntpgm_uint8_t u8g_font_courB10[] U8G_FONT_SECTION("u8g_font_courB10");
+extern const u8g_fntpgm_uint8_t u8g_font_courB10r[] U8G_FONT_SECTION("u8g_font_courB10r");
+extern const u8g_fntpgm_uint8_t u8g_font_courB12[] U8G_FONT_SECTION("u8g_font_courB12");
+extern const u8g_fntpgm_uint8_t u8g_font_courB12r[] U8G_FONT_SECTION("u8g_font_courB12r");
+extern const u8g_fntpgm_uint8_t u8g_font_courB14[] U8G_FONT_SECTION("u8g_font_courB14");
+extern const u8g_fntpgm_uint8_t u8g_font_courB14r[] U8G_FONT_SECTION("u8g_font_courB14r");
+extern const u8g_fntpgm_uint8_t u8g_font_courB18[] U8G_FONT_SECTION("u8g_font_courB18");
+extern const u8g_fntpgm_uint8_t u8g_font_courB18r[] U8G_FONT_SECTION("u8g_font_courB18r");
+extern const u8g_fntpgm_uint8_t u8g_font_courB24[] U8G_FONT_SECTION("u8g_font_courB24");
+extern const u8g_fntpgm_uint8_t u8g_font_courB24r[] U8G_FONT_SECTION("u8g_font_courB24r");
+extern const u8g_fntpgm_uint8_t u8g_font_courB24n[] U8G_FONT_SECTION("u8g_font_courB24n");
+
+extern const u8g_fntpgm_uint8_t u8g_font_courR08[] U8G_FONT_SECTION("u8g_font_courR08");
+extern const u8g_fntpgm_uint8_t u8g_font_courR08r[] U8G_FONT_SECTION("u8g_font_courR08r");
+extern const u8g_fntpgm_uint8_t u8g_font_courR10[] U8G_FONT_SECTION("u8g_font_courR10");
+extern const u8g_fntpgm_uint8_t u8g_font_courR10r[] U8G_FONT_SECTION("u8g_font_courR10r");
+extern const u8g_fntpgm_uint8_t u8g_font_courR12[] U8G_FONT_SECTION("u8g_font_courR12");
+extern const u8g_fntpgm_uint8_t u8g_font_courR12r[] U8G_FONT_SECTION("u8g_font_courR12r");
+extern const u8g_fntpgm_uint8_t u8g_font_courR14[] U8G_FONT_SECTION("u8g_font_courR14");
+extern const u8g_fntpgm_uint8_t u8g_font_courR14r[] U8G_FONT_SECTION("u8g_font_courR14r");
+extern const u8g_fntpgm_uint8_t u8g_font_courR18[] U8G_FONT_SECTION("u8g_font_courR18");
+extern const u8g_fntpgm_uint8_t u8g_font_courR18r[] U8G_FONT_SECTION("u8g_font_courR18r");
+extern const u8g_fntpgm_uint8_t u8g_font_courR24[] U8G_FONT_SECTION("u8g_font_courR24");
+extern const u8g_fntpgm_uint8_t u8g_font_courR24r[] U8G_FONT_SECTION("u8g_font_courR24r");
+extern const u8g_fntpgm_uint8_t u8g_font_courR24n[] U8G_FONT_SECTION("u8g_font_courR24n");
+
+extern const u8g_fntpgm_uint8_t u8g_font_helvB08[] U8G_FONT_SECTION("u8g_font_helvB08");
+extern const u8g_fntpgm_uint8_t u8g_font_helvB08r[] U8G_FONT_SECTION("u8g_font_helvB08r");
+extern const u8g_fntpgm_uint8_t u8g_font_helvB10[] U8G_FONT_SECTION("u8g_font_helvB10");
+extern const u8g_fntpgm_uint8_t u8g_font_helvB10r[] U8G_FONT_SECTION("u8g_font_helvB10r");
+extern const u8g_fntpgm_uint8_t u8g_font_helvB12[] U8G_FONT_SECTION("u8g_font_helvB12");
+extern const u8g_fntpgm_uint8_t u8g_font_helvB12r[] U8G_FONT_SECTION("u8g_font_helvB12r");
+extern const u8g_fntpgm_uint8_t u8g_font_helvB14[] U8G_FONT_SECTION("u8g_font_helvB14");
+extern const u8g_fntpgm_uint8_t u8g_font_helvB14r[] U8G_FONT_SECTION("u8g_font_helvB14r");
+extern const u8g_fntpgm_uint8_t u8g_font_helvB18[] U8G_FONT_SECTION("u8g_font_helvB18");
+extern const u8g_fntpgm_uint8_t u8g_font_helvB18r[] U8G_FONT_SECTION("u8g_font_helvB18r");
+extern const u8g_fntpgm_uint8_t u8g_font_helvB24[] U8G_FONT_SECTION("u8g_font_helvB24");
+extern const u8g_fntpgm_uint8_t u8g_font_helvB24r[] U8G_FONT_SECTION("u8g_font_helvB24r");
+extern const u8g_fntpgm_uint8_t u8g_font_helvB24n[] U8G_FONT_SECTION("u8g_font_helvB24n");
+
+extern const u8g_fntpgm_uint8_t u8g_font_helvR08[] U8G_FONT_SECTION("u8g_font_helvR08");
+extern const u8g_fntpgm_uint8_t u8g_font_helvR08r[] U8G_FONT_SECTION("u8g_font_helvR08r");
+extern const u8g_fntpgm_uint8_t u8g_font_helvR10[] U8G_FONT_SECTION("u8g_font_helvR10");
+extern const u8g_fntpgm_uint8_t u8g_font_helvR10r[] U8G_FONT_SECTION("u8g_font_helvR10r");
+extern const u8g_fntpgm_uint8_t u8g_font_helvR12[] U8G_FONT_SECTION("u8g_font_helvR12");
+extern const u8g_fntpgm_uint8_t u8g_font_helvR12r[] U8G_FONT_SECTION("u8g_font_helvR12r");
+extern const u8g_fntpgm_uint8_t u8g_font_helvR14[] U8G_FONT_SECTION("u8g_font_helvR14");
+extern const u8g_fntpgm_uint8_t u8g_font_helvR14r[] U8G_FONT_SECTION("u8g_font_helvR14r");
+extern const u8g_fntpgm_uint8_t u8g_font_helvR18[] U8G_FONT_SECTION("u8g_font_helvR18");
+extern const u8g_fntpgm_uint8_t u8g_font_helvR18r[] U8G_FONT_SECTION("u8g_font_helvR18r");
+extern const u8g_fntpgm_uint8_t u8g_font_helvR24[] U8G_FONT_SECTION("u8g_font_helvR24");
+extern const u8g_fntpgm_uint8_t u8g_font_helvR24r[] U8G_FONT_SECTION("u8g_font_helvR24r");
+extern const u8g_fntpgm_uint8_t u8g_font_helvR24n[] U8G_FONT_SECTION("u8g_font_helvR24n");
+
+extern const u8g_fntpgm_uint8_t u8g_font_ncenB08[] U8G_FONT_SECTION("u8g_font_ncenB08");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenB08r[] U8G_FONT_SECTION("u8g_font_ncenB08r");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenB10[] U8G_FONT_SECTION("u8g_font_ncenB10");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenB10r[] U8G_FONT_SECTION("u8g_font_ncenB10r");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenB12[] U8G_FONT_SECTION("u8g_font_ncenB12");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenB12r[] U8G_FONT_SECTION("u8g_font_ncenB12r");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenB14[] U8G_FONT_SECTION("u8g_font_ncenB14");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenB14r[] U8G_FONT_SECTION("u8g_font_ncenB14r");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenB18[] U8G_FONT_SECTION("u8g_font_ncenB18");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenB18r[] U8G_FONT_SECTION("u8g_font_ncenB18r");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenB24[] U8G_FONT_SECTION("u8g_font_ncenB24");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenB24r[] U8G_FONT_SECTION("u8g_font_ncenB24r");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenB24n[] U8G_FONT_SECTION("u8g_font_ncenB24n");
+
+extern const u8g_fntpgm_uint8_t u8g_font_ncenR08[] U8G_FONT_SECTION("u8g_font_ncenR08");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenR08r[] U8G_FONT_SECTION("u8g_font_ncenR08r");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenR10[] U8G_FONT_SECTION("u8g_font_ncenR10");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenR10r[] U8G_FONT_SECTION("u8g_font_ncenR10r");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenR12[] U8G_FONT_SECTION("u8g_font_ncenR12");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenR12r[] U8G_FONT_SECTION("u8g_font_ncenR12r");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenR14[] U8G_FONT_SECTION("u8g_font_ncenR14");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenR14r[] U8G_FONT_SECTION("u8g_font_ncenR14r");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenR18[] U8G_FONT_SECTION("u8g_font_ncenR18");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenR18r[] U8G_FONT_SECTION("u8g_font_ncenR18r");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenR24[] U8G_FONT_SECTION("u8g_font_ncenR24");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenR24r[] U8G_FONT_SECTION("u8g_font_ncenR24r");
+extern const u8g_fntpgm_uint8_t u8g_font_ncenR24n[] U8G_FONT_SECTION("u8g_font_ncenR24n");
+
+extern const u8g_fntpgm_uint8_t u8g_font_symb08[] U8G_FONT_SECTION("u8g_font_symb08");
+extern const u8g_fntpgm_uint8_t u8g_font_symb08r[] U8G_FONT_SECTION("u8g_font_symb08r");
+extern const u8g_fntpgm_uint8_t u8g_font_symb10[] U8G_FONT_SECTION("u8g_font_symb10");
+extern const u8g_fntpgm_uint8_t u8g_font_symb10r[] U8G_FONT_SECTION("u8g_font_symb10r");
+extern const u8g_fntpgm_uint8_t u8g_font_symb12[] U8G_FONT_SECTION("u8g_font_symb12");
+extern const u8g_fntpgm_uint8_t u8g_font_symb12r[] U8G_FONT_SECTION("u8g_font_symb12r");
+extern const u8g_fntpgm_uint8_t u8g_font_symb14[] U8G_FONT_SECTION("u8g_font_symb14");
+extern const u8g_fntpgm_uint8_t u8g_font_symb14r[] U8G_FONT_SECTION("u8g_font_symb14r");
+extern const u8g_fntpgm_uint8_t u8g_font_symb18[] U8G_FONT_SECTION("u8g_font_symb18");
+extern const u8g_fntpgm_uint8_t u8g_font_symb18r[] U8G_FONT_SECTION("u8g_font_symb18r");
+extern const u8g_fntpgm_uint8_t u8g_font_symb24[] U8G_FONT_SECTION("u8g_font_symb24");
+extern const u8g_fntpgm_uint8_t u8g_font_symb24r[] U8G_FONT_SECTION("u8g_font_symb24r");
+
+extern const u8g_fntpgm_uint8_t u8g_font_timB08[] U8G_FONT_SECTION("u8g_font_timB08");
+extern const u8g_fntpgm_uint8_t u8g_font_timB08r[] U8G_FONT_SECTION("u8g_font_timB08r");
+extern const u8g_fntpgm_uint8_t u8g_font_timB10[] U8G_FONT_SECTION("u8g_font_timB10");
+extern const u8g_fntpgm_uint8_t u8g_font_timB10r[] U8G_FONT_SECTION("u8g_font_timB10r");
+extern const u8g_fntpgm_uint8_t u8g_font_timB12[] U8G_FONT_SECTION("u8g_font_timB12");
+extern const u8g_fntpgm_uint8_t u8g_font_timB12r[] U8G_FONT_SECTION("u8g_font_timB12r");
+extern const u8g_fntpgm_uint8_t u8g_font_timB14[] U8G_FONT_SECTION("u8g_font_timB14");
+extern const u8g_fntpgm_uint8_t u8g_font_timB14r[] U8G_FONT_SECTION("u8g_font_timB14r");
+extern const u8g_fntpgm_uint8_t u8g_font_timB18[] U8G_FONT_SECTION("u8g_font_timB18");
+extern const u8g_fntpgm_uint8_t u8g_font_timB18r[] U8G_FONT_SECTION("u8g_font_timB18r");
+extern const u8g_fntpgm_uint8_t u8g_font_timB24[] U8G_FONT_SECTION("u8g_font_timB24");
+extern const u8g_fntpgm_uint8_t u8g_font_timB24r[] U8G_FONT_SECTION("u8g_font_timB24r");
+extern const u8g_fntpgm_uint8_t u8g_font_timB24n[] U8G_FONT_SECTION("u8g_font_timB24n");
+
+extern const u8g_fntpgm_uint8_t u8g_font_timR08[] U8G_FONT_SECTION("u8g_font_timR08");
+extern const u8g_fntpgm_uint8_t u8g_font_timR08r[] U8G_FONT_SECTION("u8g_font_timR08r");
+extern const u8g_fntpgm_uint8_t u8g_font_timR10[] U8G_FONT_SECTION("u8g_font_timR10");
+extern const u8g_fntpgm_uint8_t u8g_font_timR10r[] U8G_FONT_SECTION("u8g_font_timR10r");
+extern const u8g_fntpgm_uint8_t u8g_font_timR12[] U8G_FONT_SECTION("u8g_font_timR12");
+extern const u8g_fntpgm_uint8_t u8g_font_timR12r[] U8G_FONT_SECTION("u8g_font_timR12r");
+extern const u8g_fntpgm_uint8_t u8g_font_timR14[] U8G_FONT_SECTION("u8g_font_timR14");
+extern const u8g_fntpgm_uint8_t u8g_font_timR14r[] U8G_FONT_SECTION("u8g_font_timR14r");
+extern const u8g_fntpgm_uint8_t u8g_font_timR18[] U8G_FONT_SECTION("u8g_font_timR18");
+extern const u8g_fntpgm_uint8_t u8g_font_timR18r[] U8G_FONT_SECTION("u8g_font_timR18r");
+extern const u8g_fntpgm_uint8_t u8g_font_timR24[] U8G_FONT_SECTION("u8g_font_timR24");
+extern const u8g_fntpgm_uint8_t u8g_font_timR24r[] U8G_FONT_SECTION("u8g_font_timR24r");
+extern const u8g_fntpgm_uint8_t u8g_font_timR24n[] U8G_FONT_SECTION("u8g_font_timR24n");
+
+/* fontstruct */
+
+extern const u8g_fntpgm_uint8_t u8g_font_p01type[] U8G_FONT_SECTION("u8g_font_p01type");
+extern const u8g_fntpgm_uint8_t u8g_font_p01typer[] U8G_FONT_SECTION("u8g_font_p01typer");
+extern const u8g_fntpgm_uint8_t u8g_font_p01typen[] U8G_FONT_SECTION("u8g_font_p01typen");
+
+extern const u8g_fntpgm_uint8_t u8g_font_lucasfont_alternate[] U8G_FONT_SECTION("u8g_font_lucasfont_alternate");
+extern const u8g_fntpgm_uint8_t u8g_font_lucasfont_alternater[] U8G_FONT_SECTION("u8g_font_lucasfont_alternater");
+extern const u8g_fntpgm_uint8_t u8g_font_lucasfont_alternaten[] U8G_FONT_SECTION("u8g_font_lucasfont_alternaten");
+
+extern const u8g_fntpgm_uint8_t u8g_font_chikita[] U8G_FONT_SECTION("u8g_font_chikita");
+extern const u8g_fntpgm_uint8_t u8g_font_chikitar[] U8G_FONT_SECTION("u8g_font_chikitar");
+extern const u8g_fntpgm_uint8_t u8g_font_chikitan[] U8G_FONT_SECTION("u8g_font_chikitan");
+
+extern const u8g_fntpgm_uint8_t u8g_font_pixelle_micro[] U8G_FONT_SECTION("u8g_font_pixelle_micro");
+extern const u8g_fntpgm_uint8_t u8g_font_pixelle_micror[] U8G_FONT_SECTION("u8g_font_pixelle_micror");
+extern const u8g_fntpgm_uint8_t u8g_font_pixelle_micron[] U8G_FONT_SECTION("u8g_font_pixelle_micron");
+
+extern const u8g_fntpgm_uint8_t u8g_font_trixel_square[] U8G_FONT_SECTION("u8g_font_trixel_square");
+extern const u8g_fntpgm_uint8_t u8g_font_trixel_squarer[] U8G_FONT_SECTION("u8g_font_trixel_squarer");
+extern const u8g_fntpgm_uint8_t u8g_font_trixel_squaren[] U8G_FONT_SECTION("u8g_font_trixel_squaren");
+
+extern const u8g_fntpgm_uint8_t u8g_font_robot_de_niro[] U8G_FONT_SECTION("u8g_font_robot_de_niro");
+extern const u8g_fntpgm_uint8_t u8g_font_robot_de_niror[] U8G_FONT_SECTION("u8g_font_robot_de_niror");
+extern const u8g_fntpgm_uint8_t u8g_font_robot_de_niron[] U8G_FONT_SECTION("u8g_font_robot_de_niron");
+
+extern const u8g_fntpgm_uint8_t u8g_font_baby[] U8G_FONT_SECTION("u8g_font_baby");
+extern const u8g_fntpgm_uint8_t u8g_font_babyr[] U8G_FONT_SECTION("u8g_font_babyr");
+extern const u8g_fntpgm_uint8_t u8g_font_babyn[] U8G_FONT_SECTION("u8g_font_babyn");
+
+extern const u8g_fntpgm_uint8_t u8g_font_blipfest_07[] U8G_FONT_SECTION("u8g_font_blipfest_07");
+extern const u8g_fntpgm_uint8_t u8g_font_blipfest_07r[] U8G_FONT_SECTION("u8g_font_blipfest_07r");
+extern const u8g_fntpgm_uint8_t u8g_font_blipfest_07n[] U8G_FONT_SECTION("u8g_font_blipfest_07n");
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _U8G_H */
+
+