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Chapter 2
OS_Q.C contains code to manage message queues. See Chapter 15, “Message Passing”
on page 289.
OS_SEM.C contains code to manage semaphores used for resource management and/or
synchronization. See Chapter 13, “Resource Management” on page 209 and Chapter 14,
“Synchronization” on page 251.
OS_STAT.C contains code for the statistic task, which is used to compute the global
CPU usage and the CPU usage of each of tasks. See Chapter 5, “Task Management” on
page 75.
OS_TASK.C contains code for managing tasks using OSTaskCreate() , OSTaskDel() ,
OSTaskChangePrio() , and many more. See Chapter 5, “Task Management” on page 75.
OS_TICK.C contains code to manage tasks that have delayed themselves or that are
pending on a kernel object with a timeout. See Chapter 5, “Task Management” on
page 75.
OS_TIME.C contains code to allow a task to delay itself until some time expires. See
Chapter 11, “Time Management” on page 183.
OS_TMR.C contains code to manage software timers. See Chapter 12, “Timer
Management” on page 193.
OS_VAR.C contains the μC/OS-III global variables. These variables are for μC/OS-III to
manage and should not be accessed by application code.
OS.H contains the main μC/OS-III header file, which declares constants, macros,
μC/OS-III global variables (for use by μC/OS-III only), function prototypes, and more.
OS_TYPE.H contains declarations of μC/OS-III data types that can be changed by the
port designed to make better use of the CPU architecture. In this case, the file would
typically be copied to the port directory and then modified. μC/OS-III in linkable object
library format provides this file to enable the user to know what each data type maps
to. See Appendix B, “μC/OS-III Configuration Manual” on page 579.
42
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