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/**
* Copyright (c) 2016 - 2017, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <stdlib.h>
#include "nrf_soc.h"
#include "nrf_error.h"
static uint8_t m_in_critical_region = 0;
uint32_t sd_nvic_EnableIRQ(IRQn_Type IRQn)
{
NVIC_EnableIRQ(IRQn);
return NRF_SUCCESS;
}
uint32_t sd_nvic_DisableIRQ(IRQn_Type IRQn)
{
NVIC_DisableIRQ(IRQn);
return NRF_SUCCESS;
}
uint32_t sd_nvic_GetPendingIRQ(IRQn_Type IRQn, uint32_t * p_pending_irq)
{
if (p_pending_irq != NULL)
{
*p_pending_irq = NVIC_GetPendingIRQ(IRQn);
return NRF_SUCCESS;
}
return NRF_ERROR_NULL;
}
uint32_t sd_nvic_SetPendingIRQ(IRQn_Type IRQn)
{
NVIC_SetPendingIRQ(IRQn);
return NRF_SUCCESS;
}
uint32_t sd_nvic_ClearPendingIRQ(IRQn_Type IRQn)
{
NVIC_ClearPendingIRQ(IRQn);
return NRF_SUCCESS;
}
uint32_t sd_nvic_SetPriority(IRQn_Type IRQn, uint32_t priority)
{
NVIC_SetPriority(IRQn, priority);
return NRF_SUCCESS;
}
uint32_t sd_nvic_GetPriority(IRQn_Type IRQn, uint32_t * p_priority)
{
if (p_priority != NULL)
{
*p_priority = NVIC_GetPriority(IRQn);
return NRF_SUCCESS;
}
return NRF_ERROR_NULL;
}
uint32_t sd_nvic_SystemReset(void)
{
NVIC_SystemReset();
return NRF_SUCCESS;
}
uint32_t sd_nvic_critical_region_enter(uint8_t * p_is_nested_critical_region)
{
__disable_irq();
*p_is_nested_critical_region = (m_in_critical_region != 0);
m_in_critical_region++;
return NRF_SUCCESS;
}
uint32_t sd_nvic_critical_region_exit(uint8_t is_nested_critical_region)
{
m_in_critical_region--;
if (is_nested_critical_region == 0)
{
m_in_critical_region = 0;
__enable_irq();
}
return NRF_SUCCESS;
}
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