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os_int.c contains code for the interrupt handler task, which is used when OS_CFG_ISR_POST_DEFERRED_EN (see os_cfg.h) is set to 1 DEF_ENABLED. See Interrupt Management for details regarding the interrupt handler task.
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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.
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