mirror of https://github.com/ARMmbed/mbed-os.git
140 lines
4.1 KiB
C
140 lines
4.1 KiB
C
/*
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* Copyright (c) 2015-2017 ARM Limited. All rights reserved.
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*
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* SPDX-License-Identifier: LicenseRef-PBL
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*
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* Licensed under the Permissive Binary License, Version 1.0 (the "License"); 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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* https://www.mbed.com/licenses/PBL-1.0
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*
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* See the License for the specific language governing permissions and limitations under the License.
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*
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*/
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/**
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* \file fhss_config.h
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* \brief
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*/
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#ifndef FHSS_CONFIG_H
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#define FHSS_CONFIG_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief Struct fhss_tuning_parameter defines FHSS tuning parameters.
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* All delays are given in microseconds.
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*/
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typedef struct fhss_tuning_parameter
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{
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/** Delay between data pushed to PHY TX function and TX started (Contains CSMA-CA maximum random period). */
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uint32_t tx_processing_delay;
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/** Delay between TX done (by transmitter) and received data pushed to MAC (by receiver). */
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uint32_t rx_processing_delay;
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/** Delay between TX done (by transmitter) and Ack transmission started (by receiver) */
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uint32_t ack_processing_delay;
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} fhss_tuning_parameter_t;
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/**
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* \brief Struct fhss_configuration defines basic configuration of FHSS.
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*/
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typedef struct fhss_configuration
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{
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/** Tuning parameters can be used to enhance synchronization accuracy*/
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fhss_tuning_parameter_t fhss_tuning_parameters;
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/** Maximum used interval for requesting synchronization info from FHSS parent device (seconds). */
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uint16_t fhss_max_synch_interval;
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/** Number of channel retries. */
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uint8_t fhss_number_of_channel_retries;
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/** Channel mask */
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uint32_t channel_mask[8];
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} fhss_configuration_t;
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/**
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* \brief Struct fhss_timer defines interface between FHSS and FHSS platform timer.
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* Application must implement FHSS timer driver which is then used by FHSS with this interface.
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*/
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typedef struct fhss_timer
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{
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/** Start timeout (1us) */
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int (*fhss_timer_start)(uint32_t, void (*fhss_timer_callback)(const fhss_api_t *fhss_api, uint16_t), const fhss_api_t *fhss_api);
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/** Stop timeout */
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int (*fhss_timer_stop)(const fhss_api_t *fhss_api);
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/** Get remaining time of started timeout*/
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uint32_t (*fhss_get_remaining_slots)(const fhss_api_t *fhss_api);
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/** Get timestamp since initialization of driver. Overflow of 32-bit counter is allowed (1us) */
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uint32_t (*fhss_get_timestamp)(const fhss_api_t *fhss_api);
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/** Divide 1 microsecond resolution. E.g. to use 64us resolution, use fhss_resolution_divider = 64*/
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uint8_t fhss_resolution_divider;
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} fhss_timer_t;
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/**
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* \brief Struct fhss_synch_configuration defines the synchronization time configurations.
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* Border router application must define and set these configuration for FHSS network.
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*/
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typedef struct fhss_synch_configuration
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{
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/** Number of broadcast channels. */
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uint8_t fhss_number_of_bc_channels;
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/** TX slots per channel. */
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uint8_t fhss_number_of_tx_slots;
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/** Length of superframe(microseconds) * Number of superframes defines the
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channel dwell time. E.g. 50000us * 8 -> Channel dwell time 400ms */
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uint16_t fhss_superframe_length;
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/** Number of superframes. */
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uint8_t fhss_number_of_superframes;
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} fhss_synch_configuration_t;
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/**
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* \brief Struct fhss_statistics defines the available FHSS statistics.
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*/
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typedef struct fhss_statistics
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{
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/** FHSS synchronization drift compensation (us/channel). */
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int16_t fhss_drift_compensation;
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/** FHSS hop count. */
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uint8_t fhss_hop_count;
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/** FHSS synchronization interval (s). */
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uint16_t fhss_synch_interval;
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/** Average of 5 preceding synchronization fixes (us). Updated after every fifth synch fix. */
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int16_t fhss_prev_avg_synch_fix;
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/** FHSS synchronization lost counter. */
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uint32_t fhss_synch_lost;
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} fhss_statistics_t;
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/**
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* \brief Enumeration fhss_channel_mode_e defines the channel modes.
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*/
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typedef enum fhss_channel_mode_e {
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SINGLE_CHANNEL, //< Single channel
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FHSS, //< Frequency hopping mode
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} fhss_channel_mode_e;
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#ifdef __cplusplus
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}
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#endif
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#endif // FHSS_CONFIG_H
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