完整的周立功公司的2000系列ARM底层程序，即ARM启动代码的编写,包括ZLGFS,ZLGGUI,UCOS,SD等源代码。,Ligong weeks complete the company' s 2000 series ARM underlying process, namely the preparation of ARM startup code, including ZLGFS, ZLGGUI, UCOS, SD, such as source code.