mirror of https://github.com/ARMmbed/mbed-os.git
47 lines
2.0 KiB
C
47 lines
2.0 KiB
C
/*
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* Copyright (c) 2018, Arm Limited and affiliates.
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FHSS_WS_H_
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#define FHSS_WS_H_
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/* WS requires at least 19 MAC retransmissions (total 1+19=20 attempts). 802.15.4 macMaxFrameRetries is 3 (total 1+3=4 attempts).
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* At least 4 channel retries must be used: (Initial channel + WS_NUMBER_OF_CHANNEL_RETRIES) * MAC attempts = (1+4)*4=20 attempts
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*/
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#define WS_NUMBER_OF_CHANNEL_RETRIES 4
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//TX/RX slot length in milliseconds
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#define WS_MAX_TXRX_SLOT_LEN_MS 100
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typedef struct fhss_ws fhss_ws_t;
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struct fhss_ws
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{
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uint8_t bc_channel;
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uint16_t uc_slot;
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uint16_t bc_slot;
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bool is_on_bc_channel;
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struct fhss_ws_configuration fhss_configuration;
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const struct broadcast_timing_info *parent_bc_info;
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fhss_get_neighbor_info *get_neighbor_info;
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};
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fhss_structure_t *fhss_ws_enable(fhss_api_t *fhss_api, const fhss_ws_configuration_t *fhss_configuration, const fhss_timer_t *fhss_timer);
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int fhss_ws_set_callbacks(fhss_structure_t *fhss_structure);
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int fhss_ws_set_parent(fhss_structure_t *fhss_structure, const uint8_t eui64[8], const broadcast_timing_info_t *bc_timing_info);
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int fhss_ws_remove_parent(fhss_structure_t *fhss_structure, const uint8_t eui64[8]);
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int fhss_ws_configuration_set(fhss_structure_t *fhss_structure, const fhss_ws_configuration_t *fhss_configuration);
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int fhss_ws_set_hop_count(fhss_structure_t *fhss_structure, const uint8_t hop_count);
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#endif /*FHSS_WS_H_*/
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