619bcf56c4
Refactor mayfly based execution context solution out into the HAL folder. This opens up the possibility to use tasklets (if and when kernel gets the support) style execution contexts. Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
88 lines
1.6 KiB
C
88 lines
1.6 KiB
C
/*
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* Copyright (c) 2016-2018 Nordic Semiconductor ASA
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* Copyright (c) 2016 Vinayak Kariappa Chettimada
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/types.h>
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#include <soc.h>
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#include "util/memq.h"
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#include "util/mayfly.h"
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#include "common/log.h"
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#include "hal/debug.h"
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#if defined(CONFIG_BT_LL_SW)
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#define MAYFLY_CALL_ID_WORKER MAYFLY_CALL_ID_0
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#define MAYFLY_CALL_ID_JOB MAYFLY_CALL_ID_1
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#else
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#error Unknown LL variant.
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#endif
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void mayfly_enable_cb(u8_t caller_id, u8_t callee_id, u8_t enable)
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{
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(void)caller_id;
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LL_ASSERT(callee_id == MAYFLY_CALL_ID_JOB);
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if (enable) {
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irq_enable(SWI4_IRQn);
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} else {
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irq_disable(SWI4_IRQn);
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}
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}
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u32_t mayfly_is_enabled(u8_t caller_id, u8_t callee_id)
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{
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(void)caller_id;
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switch (callee_id) {
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case MAYFLY_CALL_ID_WORKER:
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return irq_is_enabled(RTC0_IRQn);
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case MAYFLY_CALL_ID_JOB:
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return irq_is_enabled(SWI4_IRQn);
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default:
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LL_ASSERT(0);
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break;
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}
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return 0;
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}
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u32_t mayfly_prio_is_equal(u8_t caller_id, u8_t callee_id)
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{
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#if (RADIO_TICKER_USER_ID_WORKER_PRIO == RADIO_TICKER_USER_ID_JOB_PRIO)
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return (caller_id == callee_id) ||
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((caller_id == MAYFLY_CALL_ID_WORKER) &&
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(callee_id == MAYFLY_CALL_ID_JOB)) ||
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((caller_id == MAYFLY_CALL_ID_JOB) &&
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(callee_id == MAYFLY_CALL_ID_WORKER));
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#else
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/* TODO: check Kconfig set priorities */
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return caller_id == callee_id;
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#endif
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}
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void mayfly_pend(u8_t caller_id, u8_t callee_id)
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{
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(void)caller_id;
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switch (callee_id) {
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case MAYFLY_CALL_ID_WORKER:
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NVIC_SetPendingIRQ(RTC0_IRQn);
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break;
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case MAYFLY_CALL_ID_JOB:
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NVIC_SetPendingIRQ(SWI4_IRQn);
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break;
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default:
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LL_ASSERT(0);
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break;
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}
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}
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