说明：  Keil单片机软件开发平台下的一个51系列单片机工程，本工程使用Keil所带的RTOS，程序包含串口驱动，液晶驱动，串行E2存贮器驱动，键盘驱动。是一个完整的工程文件。
(Singlechip Keil software development platform, a 51 series single-chip project, the project brought about by the use of Keil s RTOS, the procedures contained in the serial driver, LCD driver, serial E2 memory drive, keyboard-driven. Is a complete project file.)