124 lines
3.6 KiB
C
124 lines
3.6 KiB
C
/**
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* Copyright (c) 2016 - 2020, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <stdlib.h>
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#include "nrf_soc.h"
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#include "nrf_error.h"
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static uint8_t m_in_critical_region = 0;
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uint32_t sd_nvic_EnableIRQ(IRQn_Type IRQn)
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{
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NVIC_EnableIRQ(IRQn);
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return NRF_SUCCESS;
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}
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uint32_t sd_nvic_DisableIRQ(IRQn_Type IRQn)
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{
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NVIC_DisableIRQ(IRQn);
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return NRF_SUCCESS;
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}
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uint32_t sd_nvic_GetPendingIRQ(IRQn_Type IRQn, uint32_t * p_pending_irq)
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{
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if (p_pending_irq != NULL)
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{
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*p_pending_irq = NVIC_GetPendingIRQ(IRQn);
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return NRF_SUCCESS;
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}
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return NRF_ERROR_NULL;
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}
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uint32_t sd_nvic_SetPendingIRQ(IRQn_Type IRQn)
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{
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NVIC_SetPendingIRQ(IRQn);
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return NRF_SUCCESS;
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}
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uint32_t sd_nvic_ClearPendingIRQ(IRQn_Type IRQn)
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{
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NVIC_ClearPendingIRQ(IRQn);
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return NRF_SUCCESS;
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}
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uint32_t sd_nvic_SetPriority(IRQn_Type IRQn, uint32_t priority)
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{
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NVIC_SetPriority(IRQn, priority);
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return NRF_SUCCESS;
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}
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uint32_t sd_nvic_GetPriority(IRQn_Type IRQn, uint32_t * p_priority)
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{
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if (p_priority != NULL)
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{
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*p_priority = NVIC_GetPriority(IRQn);
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return NRF_SUCCESS;
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}
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return NRF_ERROR_NULL;
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}
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uint32_t sd_nvic_SystemReset(void)
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{
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NVIC_SystemReset();
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return NRF_SUCCESS;
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}
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uint32_t sd_nvic_critical_region_enter(uint8_t * p_is_nested_critical_region)
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{
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__disable_irq();
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*p_is_nested_critical_region = (m_in_critical_region != 0);
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m_in_critical_region++;
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return NRF_SUCCESS;
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}
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uint32_t sd_nvic_critical_region_exit(uint8_t is_nested_critical_region)
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{
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m_in_critical_region--;
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if (is_nested_critical_region == 0)
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{
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m_in_critical_region = 0;
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__enable_irq();
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}
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return NRF_SUCCESS;
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}
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