25.1.3.1 atomic_enter_critical

Disable interrupts, enter critical section.

void atomic_enter_critical(
    hal_atomic_t volatile * atomic
)

Disables global interrupts. Supports nested critical sections, so that global interrupts are only re-enabled upon leaving the outermost nested critical section.

Parameters

atomic

Type: hal_atomic_t typedef volatile *

The pointer to a variable to store the value of global interrupt enable flag

Returns

Type: void