移植于51单片机上的ucos。SCH51-OS是整个工程项目，能实现键盘，lCD显示，串行通信等试验内容。-Transplanted into 51 single-chip on the ucos. SCH51-OS is the project, to achieve the keyboard, lCD show that tests the contents of the serial communications.

单片机键盘扫描程序，用单片机仿真软件通过，希望对大家有所帮助，谢谢大家的支持。-Single-chip scanner keyboard, through the use of single-chip simulation software, we would like to help, I would like to thank everyone' s support.