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Each Include Page_def_ocsdk_def_ocsdk example includes a function sample application a p2_init() that is evaluated function that gets executed before the uC/OS-II starts.  ThereforeTherefore, only certain the following operations are permitted in p2_init():

• Initialize global variables - e.g. by direct assignment or by using C functions such as memcpy, or or memset.
• Create semaphores - e.g. calling OSSemCreate or OSMutexCreate() or OSMutexCreate().
• Initialize tasks - e.g. calling OSTaskCreateExt(), OSTaskNameSet().
• Register Installing callbacks.

Some things you should not do:

• Call other OS functions
• Print to the CLI
• Interact with peripherals or the filesystem
• Make other API calls

These need to be done in your tasks before the while(1) loop loop. If Task A requires Task B to do something, then a semaphore should be used.