该文件是基于周立功的EAZYARM开发板，uCOS II操作系统。实现数据采集、数据存储、I2C总线控制、LED时钟显示、键盘输入、网络通信等多任务。-The document is based on weekly contribution in EAZYARM development board, uCOS II operating system. Data acquisition, data storage, I2C bus control, LED clock display, keybo