#include“common.h“
#define?FILENAME?“/dev/fb0“
int?init_fb（void）
{
	int?fd;
	fd=open（“/dev/fb0“O_RDWR）;
	if（fd<0）
	{
		printf（“open?fb?error!!!\n“FILENAME）;
		return;
	}
	ioctl（fdFBIOGET_VSCREENINFO&fb_var）;
	w=fb_var.xres;
	h=fb_var.yres;
	bpp=fb_var.bits_per_pixel;
	printf（“fbmemeramer?w:%d??h:%d?bpp:%d\n“whbpp）;
	fbmem=mmap（0w?*?h?*?bpp?/?8PROT_READ|PROT_WRITEMAP_SHAREDfd0）;
	return?0;

}