109 lines
3.4 KiB
C
109 lines
3.4 KiB
C
/*
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* Copyright (c) 2017 - 2021, Nordic Semiconductor ASA
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* All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, 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 must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other 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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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/**
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* @file
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* This file implements SWI manager for nRF 802.15.4 driver.
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*
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*/
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#include "nrf_802154_swi.h"
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#include <assert.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include "compiler_abstraction.h"
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#include "nrf_802154.h"
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#include "nrf_802154_config.h"
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#include "nrf_802154_peripherals.h"
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#include "nrf_802154_utils.h"
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#include "platform/nrf_802154_irq.h"
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#if NRF_802154_INTERNAL_SWI_IRQ_HANDLING
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/* SWI interrupt handling functionality is implemented directly by the chosen EGU IRQ handler. */
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#define SWI_IRQHandler NRF_802154_EGU_IRQ_HANDLER ///< Symbol of SWI IRQ handler.
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#else
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#define SWI_IRQHandler nrf_802154_swi_irq_handler ///< Symbol of SWI IRQ handler.
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#endif
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__WEAK void nrf_802154_trx_swi_irq_handler(void)
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{
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/* Implementation provided by other module if necessary */
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}
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__WEAK void nrf_802154_notification_swi_irq_handler(void)
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{
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/* Implementation provided by other module if necessary */
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}
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__WEAK void nrf_802154_rsch_prio_drop_swi_irq_handler(void)
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{
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/* Implementation provided by other module if necessary */
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}
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__WEAK void nrf_802154_request_swi_irq_handler(void)
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{
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/* Implementation provided by other module if necessary */
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}
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static void swi_irq_handler(void)
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{
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nrf_802154_trx_swi_irq_handler();
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nrf_802154_notification_swi_irq_handler();
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nrf_802154_rsch_prio_drop_swi_irq_handler();
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nrf_802154_request_swi_irq_handler();
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}
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void nrf_802154_swi_init(void)
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{
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#if !NRF_802154_IRQ_PRIORITY_ALLOWED(NRF_802154_SWI_PRIORITY)
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#error NRF_802154_SWI_PRIORITY value out of the allowed range.
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#endif
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static bool initialized = false;
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if (!initialized)
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{
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nrf_802154_irq_init(NRF_802154_EGU_IRQN, NRF_802154_SWI_PRIORITY, swi_irq_handler);
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nrf_802154_irq_enable(NRF_802154_EGU_IRQN);
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initialized = true;
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}
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}
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void SWI_IRQHandler(void)
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{
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swi_irq_handler();
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}
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