mbed-os/features/nanostack/sal-stack-nanostack/source/Service_Libs/fhss/channel_functions.h

59 lines
2.4 KiB
C

/*
* Copyright (c) 2018, Arm Limited and affiliates.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed 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 CHANNEL_FUNC_H_
#define CHANNEL_FUNC_H_
/**
* @brief Compute the unicast schedule channel index using tr51 channel function.
* @param slot_number Current slot number.
* @param mac MAC address of the node for which the index is calculated.
* @param number_of_channels Number of channels.
* @param excluded_channels Excluded channels.
* @return Channel index.
*/
int32_t tr51_get_uc_channel_index(uint16_t slot_number, uint8_t *mac, int16_t number_of_channels, uint32_t *excluded_channels);
/**
* @brief Compute the broadcast schedule channel index using tr51 channel function.
* @param slot_number Current slot number.
* @param bsi Broadcast schedule identifier of the node for which the index is calculated.
* @param number_of_channels Number of channels.
* @param excluded_channels Excluded channels.
* @return Channel index.
*/
int32_t tr51_get_bc_channel_index(uint16_t slot_number, uint16_t bsi, int16_t number_of_channels, uint32_t *excluded_channels);
/**
* @brief Compute the unicast schedule channel index using direct hash channel function.
* @param slot_number Current slot number.
* @param mac MAC address of the node for which the index is calculated.
* @param number_of_channels Number of channels.
* @return Channel index.
*/
int32_t dh1cf_get_uc_channel_index(uint16_t slot_number, uint8_t *mac, int16_t number_of_channels);
/**
* @brief Compute the broadcast schedule channel index using direct hash channel function.
* @param slot_number Current slot number.
* @param bsi Broadcast schedule identifier of the node for which the index is calculated.
* @param number_of_channels Number of channels.
* @return Channel index.
*/
int32_t dh1cf_get_bc_channel_index(uint16_t slot_number, uint16_t bsi, int16_t number_of_channels);
#endif /*CHANNEL_FUNC_H_*/