ARM入门常用模块代码 这些程序必须使用“ARM SDT(ARM Software Development Kit)”、“ARM ADS(ARM Developer Suite)”等集成开发环境进行编译调试。-ARM code entry module common use of these procedures must be " ARM SDT (ARM Software Development Kit)" , " ARM ADS (ARM Developer S

上位机PC与底层ARM9之间的USB通信程序，USB学习常用资料，代码学习的好资料-Host PC with USB communication between the underlying process ARM9, USB study used data, the code of good information on learning