SnakeGame.h

/*************************************************

* Public Constants

*************************************************/
#define BUTTON_UP     4
#define BUTTON_DOWN   5
#define BUTTON_RIGHT  6
#define BUTTON_LEFT   3

#define LCD_BACKLIGHT_PIN 7
#define LCD_BACKLIGHT_OFF 1
#define LCD_BACKLIGHT_ON  0

#define LCD_INIT_CONTRAST 60
#define SPEAKER      12
#define TONE_FOOD_DURATION 250

#define HIGHSCORE_ADDRESS 1

#define MENU_SCREEN     1
#define SETTINGS_SCREEN 2
#define CONTRAST_SCREEN 3
#define GAME_SCREEN     10
#define HIGHSCORE_SCREEN 4

#define RIGHT 3
#define LEFT  4
#define UP    1
#define DOWN  2

#define WIDTH           84
#define HEIGHT          48
#define BUTTON_COUNT     2
#define WEIGHT           2