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2 * Copyright (c) 2012 Neratec Solutions AG
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #ifndef DFS_PRI_DETECTOR_H
18 #define DFS_PRI_DETECTOR_H
20 #include <linux/list.h>
23 * struct pri_detector - PRI detector element for a dedicated radar type
25 * @add_pulse(): add pulse event, returns true if pattern was detected
26 * @reset(): clear states and reset to given time stamp
27 * @rs: detector specs for this detector element
28 * @last_ts: last pulse time stamp considered for this element in usecs
29 * @sequences: list_head holding potential pulse sequences
30 * @pulses: list connecting pulse_elem objects
31 * @count: number of pulses in queue
32 * @max_count: maximum number of pulses to be queued
33 * @window_size: window size back from newest pulse time stamp in usecs
36 void (*exit
) (struct pri_detector
*de
);
37 bool (*add_pulse
)(struct pri_detector
*de
, struct pulse_event
*e
);
38 void (*reset
) (struct pri_detector
*de
, u64 ts
);
40 /* private: internal use only */
41 const struct radar_detector_specs
*rs
;
43 struct list_head sequences
;
44 struct list_head pulses
;
50 struct pri_detector
*pri_detector_init(const struct radar_detector_specs
*rs
);
52 #endif /* DFS_PRI_DETECTOR_H */