说明：  在嵌入式开发中，需要烧写flash时，先要安装giveio.sys驱动，由于很多开发板提供的安装文档根本就不详细，其中一些选项不说清楚，导致安装不成功，这里给出详细的过程说明
(In the embedded development, need flash programmer, the first installation giveio.sys drive, as many development board to provide the installation documentation is not detailed, some of which options are not clear, leading to the installation is unsuccessful, given here in detail process description)