ucos2 2.51 在vc 下得移植 一共有4个线程，主线程TaskStart初始化消息队列，开启定时器，Tast1只是简单的运行 Task2给Task3发消息，收到回执后继续发，从A发到Z，task3则收取消息并回执-ucos2 2.51 was transplanted under the vc A total of four threads, the main thread TaskStart initialization message queue, open the t