void OSIntEnter (void);
File | Called from | Code enabled by |
---|---|---|
| ISR only | N/A |
OSIntEnter()
notifies µC/OS-III that an ISR is being processed. This allows µC/OS-III to keep track of interrupt nesting. OSIntEnter()
is used in conjunction with OSIntExit()
. This function is generally called at the beginning of ISRs. Note that on some CPU architectures, it must be written in assembly language (shown below in pseudo code):
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