atomic.h

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#pragma once

/*
 * IAR specific functions for IRQ disable/enable
 */

typedef __istate_t atomic_t;

static inline atomic_t atomic_begin(void)
{
    __istate_t a = __get_interrupt_state();
    __disable_interrupt();
    return a;
}

static inline void atomic_end(atomic_t a)
{
    __set_interrupt_state(a);
}