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Introduction
Chapter 14, Synchronization.
μC/OS-III provides two types of services for
synchronization: semaphores and event flags and these are explained in this chapter, as well
as what happens when calling specific services provided in this module.
Chapter 15, Message Passing. μC/OS-III allows a task or an ISR to send messages to a
task. This chapter describes some of the services provided by the message queue
management module.
Chapter 16, Pending on multiple objects. In this chapter, see how μC/OS-III allows an
application to pend (or wait) on multiple kernel objects (semaphores or message queues) at
the same time. This feature makes the waiting task ready to run as soon as any one of the
objects is posted (i.e., OR condition), or a timeout occurs.
Chapter 17, Memory Management. Here is how μC/OS-III’s fixed-size memory partition
manager can be used to allocate and deallocate dynamic memory.
Chapter 18, Porting μC/OS-III. This chapter explains, in generic terms, how to port
μC/OS-III to any CPU architecture.
Chapter 19, Run-Time Statistics. μC/OS-III provides a wealth of information about the
run-time environment, such as number of context switches, CPU usage (as a percentage),
stack usage on a per-task basis, μC/OS-III RAM usage, maximum interrupt disable time,
maximum scheduler lock time, and more.
Appendix A, μC/OS-III API Reference Manual. This appendix provides a alphabetical
reference for all user-available services provided by μC/OS-III.
Appendix B, μC/OS-III Configuration Manual. This appendix describes how to
configure a μC/OS-III-based application. OS_CFG.H configures the μC/OS-III features
(semaphores, queues, event flags, etc.), while OS_CFG_APP.H configures the run-time
characteristics (tick rate, tick wheel size, stack size for the idle task, etc.).
Appendix C, Migrating from μC/OS-II to μC/OS-III. μC/OS-III has its roots in μC/OS-II and,
in fact, most of the μC/OS-II ports can be easily converted to μC/OS-III. However, most APIs have
changed from μC/OS-II to μC/OS-III, and this appendix describes some of the differences.
Appendix D, MISRA-C:2004 rules and μC/OS-III. μC/OS-III follows most of the
MISRA-C:2004, except for 7 of these rules.
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