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You can obtain the current version of µC/OS-II from your application by calling OSVersion() (Listing 3.29). OSVersion() returns the version number multiplied by 10000. In other words, version 2.52 is returned as 25200.
To find out about the latest version of µC/OS-II and how to obtain an upgrade, you should either contact the publisher or check the official µC/OS-II Web site at http://www.micrium.com.