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* common.h
* Author: Tomi Valkeinen <>
* Copyright (C) 2009-2012 Tomi Valkeinen
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <>.
#ifndef __COMMON_H__
#define __COMMON_H__
#include <stdio.h>
#include <linux/fb.h>
#define STRINGIFY(x) #x
#define ASSERT(x) if (!(x)) \
{ perror("assert(" __FILE__ ":" TOSTRING(__LINE__) "): "); exit(1); }
#define FBCTL0(ctl) if (ioctl(fd, ctl))\
{ perror("fbctl0(" __FILE__ ":" TOSTRING(__LINE__) "): "); exit(1); }
#define FBCTL1(ctl, arg1) if (ioctl(fd, ctl, arg1))\
{ perror("fbctl1(" __FILE__ ":" TOSTRING(__LINE__) "): "); exit(1); }
#define IOCTL0(fd, ctl) if (ioctl(fd, ctl))\
{ perror("ioctl0(" __FILE__ ":" TOSTRING(__LINE__) "): "); exit(1); }
#define IOCTL1(fd, ctl, arg1) if (ioctl(fd, ctl, arg1))\
{ perror("ioctl1(" __FILE__ ":" TOSTRING(__LINE__) "): "); exit(1); }
struct fb_info
int fd;
void *ptr;
struct fb_var_screeninfo var;
struct fb_fix_screeninfo fix;
unsigned bytespp;
extern char fontdata_8x8[];
void fb_open(int fb_num, struct fb_info *fb_info);
void fb_update_window(int fd, short x, short y, short w, short h);
void fb_sync_gfx(int fd);
int fb_put_string(struct fb_info *fb_info, int x, int y, char *s, int maxlen,
int color, int clear, int clearlen);
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