帧缓冲#include <stdio.h> #include <stdlib.h> #include <string.h> #include <stdint.h> #include <unistd.h> #include <fcntl.h> #include <sys/ioctl.h> #include <

//结构 struct fb_fix_screeninfo finfo struct fb_var_screeninfo vinfo //打开设备 fd = open["/dev/fb0", O_RDWR] if [!fd] { printf["Cannot open fr a mebuffer device.\n"] exit[1] }