190 lines
4.7 KiB
C
190 lines
4.7 KiB
C
/*
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* Copyright (c) 2020 - 2023, 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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#include "nrf_802154_sl_rsch.h"
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#include <assert.h>
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#include <stddef.h>
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#include <string.h>
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#include <nrfx.h>
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#include "rsch/nrf_802154_rsch.h"
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#include "platform/nrf_802154_clock.h"
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static rsch_prio_t m_prev_prio;
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static bool m_ready;
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/**
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* @brief Notifies the core that the approved RSCH priority has changed.
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*
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* @note This function is called from the critical section context and does not preempt
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* other critical sections.
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*
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* @param[in] prio Approved priority level.
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*/
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extern void nrf_802154_rsch_crit_sect_prio_changed(rsch_prio_t prio);
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/***************************************************************************************************
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* Public API
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**************************************************************************************************/
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void nrf_802154_rsch_init(void)
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{
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m_ready = false;
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m_prev_prio = RSCH_PRIO_IDLE;
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}
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void nrf_802154_rsch_uninit(void)
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{
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// Intenionally empty
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}
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void nrf_802154_rsch_continuous_ended(void)
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{
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// Intentionally empty
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}
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bool nrf_802154_rsch_timeslot_request(uint32_t length_us)
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{
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(void)length_us;
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assert(m_ready);
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return true;
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}
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bool nrf_802154_rsch_timeslot_is_requested(void)
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{
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return false;
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}
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bool nrf_802154_rsch_prec_is_approved(rsch_prec_t prec, rsch_prio_t prio)
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{
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return prio == RSCH_PRIO_IDLE ? true : m_ready;
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}
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uint32_t nrf_802154_rsch_timeslot_us_left_get(void)
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{
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return UINT32_MAX;
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}
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void nrf_802154_clock_hfclk_ready(void)
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{
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m_ready = true;
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nrf_802154_rsch_crit_sect_prio_changed(RSCH_PRIO_MAX);
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}
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void nrf_802154_rsch_crit_sect_prio_request(rsch_prio_t prio)
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{
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if (m_prev_prio != prio)
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{
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if (prio == RSCH_PRIO_IDLE)
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{
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nrf_802154_clock_hfclk_stop();
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m_ready = false;
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nrf_802154_rsch_crit_sect_prio_changed(RSCH_PRIO_IDLE);
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}
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else if (m_prev_prio == RSCH_PRIO_IDLE)
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{
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assert(!m_ready);
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nrf_802154_clock_hfclk_start();
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}
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else
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{
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// Intentionally empty
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}
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m_prev_prio = prio;
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}
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}
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void nrf_802154_rsch_crit_sect_init(void)
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{
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// Intentionally empty
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}
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void nrf_802154_critical_section_rsch_enter(void)
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{
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// Intentionally empty
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}
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void nrf_802154_critical_section_rsch_exit(void)
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{
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// Intentionally empty
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}
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bool nrf_802154_critical_section_rsch_event_is_pending(void)
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{
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return false;
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}
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void nrf_802154_critical_section_rsch_process_pending(void)
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{
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// Intentionally empty
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}
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bool nrf_802154_rsch_delayed_timeslot_request(const rsch_dly_ts_param_t * p_dly_ts_param)
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{
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(void)p_dly_ts_param;
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return false;
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}
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bool nrf_802154_rsch_delayed_timeslot_cancel(rsch_dly_ts_id_t dly_ts_id, bool handler)
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{
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(void)dly_ts_id;
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(void)handler;
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return false;
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}
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bool nrf_802154_rsch_delayed_timeslot_priority_update(rsch_dly_ts_id_t dly_ts_id,
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rsch_prio_t dly_ts_prio)
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{
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(void)dly_ts_id;
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(void)dly_ts_prio;
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return false;
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}
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bool nrf_802154_rsch_delayed_timeslot_ppi_update(uint32_t ppi_channel)
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{
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(void)ppi_channel;
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return false;
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}
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