/*
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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 <assert.h>
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#include <stdint.h>
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#include <string.h>
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#include "FreeRTOS.h"
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#include "queue.h"
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#include "semphr.h"
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#include "task.h"
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#include "timers.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// TODO: _Static_assert support
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#ifndef _Static_assert
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#define _Static_assert(...)
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#endif
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#define BLE_NPL_OS_ALIGNMENT 4
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#define BLE_NPL_TIME_FOREVER portMAX_DELAY
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#if configUSE_TICKLESS_IDLE
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/* This should be compatible with TickType_t */
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typedef uint64_t ble_npl_time_t;
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typedef int64_t ble_npl_stime_t;
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#else
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/* This should be compatible with TickType_t */
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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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#endif
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struct ble_npl_event {
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bool queued;
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ble_npl_event_fn *fn;
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void *arg;
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};
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struct ble_npl_eventq {
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QueueHandle_t q;
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};
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struct ble_npl_callout {
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TimerHandle_t handle;
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struct ble_npl_eventq *evq;
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struct ble_npl_event ev;
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};
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struct ble_npl_mutex {
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SemaphoreHandle_t handle;
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};
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struct ble_npl_sem {
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SemaphoreHandle_t handle;
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};
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/*
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* Simple APIs are just defined as static inline below, but some are a bit more
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* complex or require some global state variables and thus are defined in .c
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* file instead and static inline wrapper just calls proper implementation.
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* We need declarations of these functions and they are defined in header below.
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*/
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#include "npl_freertos.h"
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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 xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED;
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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 xTaskGetCurrentTaskHandle();
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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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evq->q = xQueueCreate(32, sizeof(struct ble_npl_eventq *));
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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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return npl_freertos_eventq_get(evq, tmo);
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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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npl_freertos_eventq_put(evq, ev);
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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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npl_freertos_eventq_remove(evq, ev);
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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->fn(ev);
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}
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static inline bool
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ble_npl_eventq_is_empty(struct ble_npl_eventq *evq)
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{
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return xQueueIsQueueEmptyFromISR(evq->q);
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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,
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void *arg)
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{
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memset(ev, 0, sizeof(*ev));
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ev->fn = fn;
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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->queued;
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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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return npl_freertos_mutex_init(mu);
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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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return npl_freertos_mutex_pend(mu, timeout);
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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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return npl_freertos_mutex_release(mu);
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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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return npl_freertos_sem_init(sem, tokens);
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}
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static inline 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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return npl_freertos_sem_pend(sem, timeout);
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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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return npl_freertos_sem_release(sem);
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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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return uxSemaphoreGetCount(sem->handle);
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}
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static inline void
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ble_npl_callout_init(struct ble_npl_callout *co, 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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npl_freertos_callout_init(co, evq, ev_cb, ev_arg);
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}
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static inline ble_npl_error_t
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ble_npl_callout_reset(struct ble_npl_callout *co, ble_npl_time_t ticks)
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{
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return npl_freertos_callout_reset(co, ticks);
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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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xTimerStop(co->handle, portMAX_DELAY);
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}
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static inline bool
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ble_npl_callout_is_active(struct ble_npl_callout *co)
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{
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return xTimerIsTimerActive(co->handle) == pdTRUE;
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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 xTimerGetExpiryTime(co->handle);
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}
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static inline ble_npl_time_t
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ble_npl_callout_remaining_ticks(struct ble_npl_callout *co,
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ble_npl_time_t time)
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{
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return npl_freertos_callout_remaining_ticks(co, time);
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}
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static inline void
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ble_npl_callout_set_arg(struct ble_npl_callout *co, void *arg)
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{
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co->ev.arg = arg;
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}
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static inline ble_npl_time_t
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ble_npl_time_get(void)
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{
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return xTaskGetTickCountFromISR();
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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, uint32_t *out_ticks)
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{
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return npl_freertos_time_ms_to_ticks(ms, out_ticks);
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}
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static inline ble_npl_error_t
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ble_npl_time_ticks_to_ms(uint32_t ticks, uint32_t *out_ms)
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{
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return npl_freertos_time_ticks_to_ms(ticks, out_ms);
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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 * configTICK_RATE_HZ / 1000;
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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 * 1000 / configTICK_RATE_HZ;
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}
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static inline void
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ble_npl_time_delay(ble_npl_time_t ticks)
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{
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vTaskDelay(ticks);
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}
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#if NIMBLE_CFG_CONTROLLER
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static inline void
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ble_npl_hw_set_isr(int irqn, void (*addr)(void))
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{
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npl_freertos_hw_set_isr(irqn, addr);
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}
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#endif
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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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vPortEnterCritical();
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return 0;
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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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vPortExitCritical();
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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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