使用framebuffer编程，使得能够较好的显示bmp图像，对代码的适当优化使显示动图成为可能-to show a picture via the framebuffer,the code is well designed that show several picture in a short time is possible

LINUX 数字图像驱动编程，少有的资料！-LINUX driver programming digital images, one of the few material!