用来将编译生成的内核转换为bootloader支持的格式-Generated used to compile the kernel is converted to a supported format bootloader

dnw是win下的嵌入式开发中的下载利器，这个是linux的版本，经过修正过的，很好用！-dnw is a download tool in embedded development in windows, this is a linux version, had been amended, very useful!

A mini game on raspberry pi implemented on GPIO. assembly language is used. wiringpi library is used for io manipulation. 4 buttons and 4 leds are used in the game. the led will flash in a random pattern when the game started. player must enter t