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https://github.com/espressif/esp-nimble.git
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porting: Add NPL for RIOT
This patch adds NPL for RIOT, see https://www.riot-os.org/. Example applications are included in RIOT sources and should be build from there. RIOT build system will automatically fetch NimBLE sources as a package.
This commit is contained in:
Hauke Petersen
committed by
Andrzej Kaczmarek
Andrzej Kaczmarek
parent
245ef69c65
commit
39c32e6be1
@@ -0,0 +1,261 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef _NIMBLE_NPL_OS_H_
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#define _NIMBLE_NPL_OS_H_
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#include <stdint.h>
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#include <stdbool.h>
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#include "event/callback.h"
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#include "mutex.h"
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#include "semaphore.h"
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#include "xtimer.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define BLE_NPL_OS_ALIGNMENT 4
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#define BLE_NPL_TIME_FOREVER UINT32_MAX
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typedef uint32_t ble_npl_time_t;
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typedef int32_t ble_npl_stime_t;
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struct ble_npl_event {
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event_callback_t e;
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void *arg;
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};
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struct ble_npl_eventq {
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event_queue_t q;
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};
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struct ble_npl_callout {
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xtimer_t timer;
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ble_npl_time_t target_ticks;
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struct ble_npl_event e;
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event_queue_t *q;
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};
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struct ble_npl_mutex {
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mutex_t mu;
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};
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struct ble_npl_sem {
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sem_t sem;
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};
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static inline bool
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ble_npl_os_started(void)
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{
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return true;
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}
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static inline void *
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ble_npl_get_current_task_id(void)
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{
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return (void *)(uint32_t)thread_getpid();
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}
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static inline void
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ble_npl_eventq_init(struct ble_npl_eventq *evq)
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{
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event_queue_init(&evq->q);
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}
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static inline void
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ble_npl_eventq_put(struct ble_npl_eventq *evq, struct ble_npl_event *ev)
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{
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event_post(&evq->q, &ev->e.super);
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}
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static inline struct ble_npl_event *
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ble_npl_eventq_get(struct ble_npl_eventq *evq, ble_npl_time_t tmo)
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{
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if (tmo == 0) {
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return (struct ble_npl_event *)event_get(&evq->q);
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} else if (tmo == BLE_NPL_TIME_FOREVER) {
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return (struct ble_npl_event *)event_wait(&evq->q);
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} else {
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assert(0);
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}
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}
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static inline void
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ble_npl_eventq_remove(struct ble_npl_eventq *evq, struct ble_npl_event *ev)
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{
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event_cancel(&evq->q, &ev->e.super);
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}
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static inline void
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ble_npl_event_run(struct ble_npl_event *ev)
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{
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ev->e.super.handler(&ev->e.super);
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}
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static inline void
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ble_npl_event_init(struct ble_npl_event *ev, ble_npl_event_fn *fn, void *arg)
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{
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/*
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* Need to clear list_node manually since init function below does not do
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* this.
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*/
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ev->e.super.list_node.next = NULL;
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event_callback_init(&ev->e, (void(*)(void *))fn, ev);
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ev->arg = arg;
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}
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static inline bool
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ble_npl_event_is_queued(struct ble_npl_event *ev)
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{
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return (ev->e.super.list_node.next != NULL);
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}
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static inline void *
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ble_npl_event_get_arg(struct ble_npl_event *ev)
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{
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return ev->arg;
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}
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static inline void
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ble_npl_event_set_arg(struct ble_npl_event *ev, void *arg)
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{
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ev->arg = arg;
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}
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static inline ble_npl_error_t
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ble_npl_mutex_init(struct ble_npl_mutex *mu)
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{
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mutex_init(&mu->mu);
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return BLE_NPL_OK;
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}
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static inline ble_npl_error_t
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ble_npl_mutex_pend(struct ble_npl_mutex *mu, ble_npl_time_t timeout)
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{
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assert(timeout == BLE_NPL_TIME_FOREVER);
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mutex_lock(&mu->mu);
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return BLE_NPL_OK;
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}
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static inline ble_npl_error_t
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ble_npl_mutex_release(struct ble_npl_mutex *mu)
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{
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mutex_unlock(&mu->mu);
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return BLE_NPL_OK;
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}
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static inline ble_npl_error_t
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ble_npl_sem_init(struct ble_npl_sem *sem, uint16_t tokens)
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{
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int rc;
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rc = sem_init(&sem->sem, 0, tokens);
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return rc == 0 ? BLE_NPL_OK : BLE_NPL_ERROR;
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}
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static inline ble_npl_error_t
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ble_npl_sem_release(struct ble_npl_sem *sem)
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{
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int rc;
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rc = sem_post(&sem->sem);
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return rc == 0 ? BLE_NPL_OK : BLE_NPL_ERROR;
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}
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static inline uint16_t
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ble_npl_sem_get_count(struct ble_npl_sem *sem)
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{
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int val = 0;
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sem_getvalue(&sem->sem, &val);
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return (uint16_t)val;
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}
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static inline void
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ble_npl_callout_stop(struct ble_npl_callout *co)
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{
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xtimer_remove(&co->timer);
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}
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static inline bool
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ble_npl_callout_is_active(struct ble_npl_callout *c)
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{
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return (c->timer.target || c->timer.long_target);
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}
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static inline ble_npl_time_t
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ble_npl_callout_get_ticks(struct ble_npl_callout *co)
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{
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return co->target_ticks;
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}
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static inline uint32_t
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ble_npl_time_get(void)
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{
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return xtimer_now_usec() / 1000;
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}
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static inline ble_npl_error_t
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ble_npl_time_ms_to_ticks(uint32_t ms, ble_npl_time_t *out_ticks)
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{
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*out_ticks = ms;
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return BLE_NPL_OK;
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}
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static inline ble_npl_error_t
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ble_npl_time_ticks_to_ms(ble_npl_time_t ticks, uint32_t *out_ms)
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{
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*out_ms = ticks;
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return BLE_NPL_OK;
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}
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static inline ble_npl_time_t
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ble_npl_time_ms_to_ticks32(uint32_t ms)
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{
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return ms;
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}
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static inline uint32_t
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ble_npl_time_ticks_to_ms32(ble_npl_time_t ticks)
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{
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return ticks;
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}
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static inline uint32_t
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ble_npl_hw_enter_critical(void)
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{
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return (uint32_t)irq_disable();
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}
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static inline void
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ble_npl_hw_exit_critical(uint32_t ctx)
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{
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irq_restore((unsigned)ctx);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* _NPL_H_ */
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@@ -0,0 +1,66 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include <stddef.h>
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#include "nimble/nimble_npl.h"
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#define ENABLE_DEBUG (0)
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#include "debug.h"
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static void
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_callout_fire(void *arg)
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{
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struct ble_npl_callout *co = (struct ble_npl_callout *)arg;
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event_post(co->q, &co->e.e.super);
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}
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ble_npl_error_t
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ble_npl_sem_pend(struct ble_npl_sem *sem, ble_npl_time_t timeout)
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{
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int rc;
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struct timespec abs;
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uint64_t time;
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time = xtimer_now_usec64() + ble_npl_time_ticks_to_ms32(timeout) * 1000;
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abs.tv_sec = (time_t)(time / 1000000);
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abs.tv_nsec = (long)((time % 1000000) * 1000);
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rc = sem_timedwait(&sem->sem, &abs);
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return rc == 0 ? BLE_NPL_OK : BLE_NPL_ENOENT;
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}
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void
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ble_npl_callout_init(struct ble_npl_callout *c, struct ble_npl_eventq *evq,
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ble_npl_event_fn *ev_cb, void *ev_arg)
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{
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c->timer.arg = (void *)c;
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c->timer.callback = _callout_fire;
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c->q = &evq->q;
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ble_npl_event_init(&c->e, ev_cb, ev_arg);
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}
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ble_npl_error_t
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ble_npl_callout_reset(struct ble_npl_callout *c, ble_npl_time_t ticks)
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{
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uint32_t now = xtimer_now_usec();
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c->target_ticks = (ble_npl_time_t)((now / 1000) + ticks);
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xtimer_set(&c->timer, ((ticks * 1000) - ((xtimer_now_usec() - now) / 1000)));
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return BLE_NPL_OK;
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}
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@@ -0,0 +1,58 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include "cpu.h"
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static uint32_t radio_isr_addr;
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static uint32_t rng_isr_addr;
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static uint32_t rtc0_isr_addr;
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void
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isr_radio(void)
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{
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((void (*)(void))radio_isr_addr)();
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}
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void
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isr_rng(void)
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{
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((void (*)(void))rng_isr_addr)();
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}
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void
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isr_rtc0(void)
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{
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((void (*)(void))rtc0_isr_addr)();
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}
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void
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ble_npl_hw_set_isr(int irqn, uint32_t addr)
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{
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switch (irqn) {
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case RADIO_IRQn:
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radio_isr_addr = addr;
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break;
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case RNG_IRQn:
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rng_isr_addr = addr;
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break;
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case RTC0_IRQn:
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rtc0_isr_addr = addr;
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break;
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}
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}
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