/**
 ****************************************************************************************
 *
 * @file ll.h
 *
 * @brief Declaration of low level functions.
 *
 * Copyright (C) RivieraWaves 2009-2015
 *
 *
 ****************************************************************************************
 */

#ifndef LL_H_
#define LL_H_

#ifndef __arm__
#error "File only included with RVDS!"
#endif // __arm__

#include <stdint.h>
#include "arch.h"
#include "reg_intc.h"

/** @brief Enable interrupts globally in the system.
 * This macro must be used when the initialization phase is over and the interrupts
 * can start being handled by the system.
 */
#define GLOBAL_INT_START() ; \
do { \
    __enable_irq(); \
} while(0); 

#define GLOBAL_INT_STOP()  ; \
do { \
    __disable_irq(); \
} while(0);

#define GLOBAL_INT_DISABLE() ; \
do { \
    uint32_t irq_temp; \
    irq_temp = __disable_irq(); 
#define GLOBAL_INT_RESTORE() ;  \
    if(!irq_temp)               \
    {                           \
        __enable_irq();         \
    }                           \
} while(0);

#define WFI() ; \
do { \
    __wfi(); \
}while(0);


#endif // LL_H_