Description: circle operating system kernel $ Note : This is my learning embedded in the operating system after 51 to write a simple operating system, creates delete tasks, task scheduling system delay, hang tasks, send messages, waiting for news, CPU usage statistics, the system time, serial data transmission and serial resource management functions. Because of the time rush, some of the Notes may forget when debugging changes, if found not understand the Notes, to circle the words : http://blog.21ic.com/blog.asp name = computer
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