Nordic Semiconductor / nrf51-sdk

Nordic nrf51 sdk sources. Mirrored from https://github.com/ARMmbed/nrf51-sdk.

Dependents:   nRF51822 nRF51822

source/nordic_sdk/components/libraries/util/app_util_platform.c

Committer:
vcoubard
Date:
2016-04-07
Revision:
19:47192cb9def7
Parent:
10:233fefd8162b
Child:
20:a90c48eb1d30

File content as of revision 19:47192cb9def7:

/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
 *
 * The information contained herein is property of Nordic Semiconductor ASA.
 * Terms and conditions of usage are described in detail in NORDIC
 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
 *
 * Licensees are granted free, non-transferable use of the information. NO
 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
 * the file.
 *
 */

#include "app_util_platform.h"

static uint32_t m_in_critical_region = 0;

void critical_region_enter(void)
{
    __disable_irq();    
    m_in_critical_region++;    
}

void critical_region_exit(void)
{
    m_in_critical_region--;    
    if (m_in_critical_region == 0)
    {
        __enable_irq();
    }
}