C语言平台上与LINUX交叉编译，链接收发器实现GPRS功能。-C-platform, cross-compiled with LINUX, link transceiver GPRS functionality.

android输入法源码，支持中文，英文，日文的输入，需要在linux下交叉编译。-android input method source code, support Chinese, English, Japanese input under linux cross compiler.

ymodem传输协议，c代码，在Linux系统已经验证过。在arm架构下需要自己交叉编译。(Ymodem transport protocol, C code, in the Linux system has been verified. In the arm framework, you need to cross compile yourself.)