nimble/controller/include/controller/ble_ll_rfmgmt.h

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

#ifndef H_BLE_LL_RFMGMT_
#define H_BLE_LL_RFMGMT_

#ifdef __cplusplus
extern "C" {
#endif

#include "controller/ble_ll_tmr.h"

void ble_ll_rfmgmt_init(void);

#if MYNEWT_VAL(BLE_LL_RFMGMT_ENABLE_TIME) > 0

void ble_ll_rfmgmt_reset(void);

/* Notify rfmgmt that scan window has changed (only called from ble_ll_scan) */
void ble_ll_rfmgmt_scan_changed(bool enabled, uint32_t next_window);

/* Notify rfmgmt that 1st scheduled item has changed (only called from ble_ll_sched) */
void ble_ll_rfmgmt_sched_changed(struct ble_ll_sched_item *first);

/* Notify rfmgmt that RF is no longer needed by current event */
void ble_ll_rfmgmt_release(void);

/* Enables RF immediately and returns tick at which RF will be fully enabled */
uint32_t ble_ll_rfmgmt_enable_now(void);

/* Returns true only if RF is currently fully enabled (i.e. not off or enabling) */
bool ble_ll_rfmgmt_is_enabled(void);

#else

static inline void ble_ll_rfmgmt_reset(void) { }
static inline void ble_ll_rfmgmt_scan_changed(bool e, uint32_t n) { }
static inline void ble_ll_rfmgmt_sched_changed(struct ble_ll_sched_item *f) { }
static inline void ble_ll_rfmgmt_release(void) { }
static inline uint32_t ble_ll_rfmgmt_enable_now(void) { return ble_ll_tmr_get(); }
static inline bool ble_ll_rfmgmt_is_enabled(void) { return true; }

#endif

#ifdef __cplusplus
}
#endif

#endif /* H_BLE_LL_RFMGMT_ */