vPortEnterCritical() function

Spinlock

Exit a SMP critical section This function can be called in a nested manner. On the outer most level of nesting, this function will: - Release the spinlock - Restore the previous interrupt level before the critical section was entered If still nesting, this function simply decrements a critical nesting count

Safe version of exit critical Safe version of enter critical will automatically select between portEXIT_CRITICAL() and portEXIT_CRITICAL_ISR()

Safe version of enter critical Safe version of enter critical will automatically select between portENTER_CRITICAL() and portENTER_CRITICAL_ISR()

Enter a SMP critical section with a timeout This function enters an SMP critical section by disabling interrupts then taking a spinlock with a specified timeout. This function can be called in a nested manner.

Safe version of enter critical timeout Safe version of enter critical will automatically select between portTRY_ENTER_CRITICAL() and portTRY_ENTER_CRITICAL_ISR()

FreeRTOS Compliant version of xPortEnterCriticalTimeout() Compliant version of xPortEnterCriticalTimeout() will ensure that this is called from a task context only. An abort is called otherwise.

FreeRTOS compliant version of vPortEnterCritical() Compliant version of vPortEnterCritical() will ensure that this is called from a task context only. An abort is called otherwise.

FreeRTOS compliant version of vPortExitCritical() Compliant version of vPortExitCritical() will ensure that this is called from a task context only. An abort is called otherwise.