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// (C) 2016 Julian Picht, MIT/x11 License.
//
//All MIT/x11 Licensed Code in this file may be relicensed freely under the GPL or LGPL licenses.
#ifndef DISAMBIGUATOR_H
#define DISAMBIGUATOR_H
#define DIS_NUM_VALUES 8
typedef enum {
D_STATE_INVALID = 0,
D_STATE_LOCKED = 1,
D_STATE_UNLOCKED = -1,
} dis_state;
typedef enum {
P_UNKNOWN = 0,
P_SYNC = 1,
P_SWEEP = 2,
} pulse_type;
typedef struct disambiguator_ {
long times[DIS_NUM_VALUES];
int scores[DIS_NUM_VALUES];
dis_state state;
long last;
int max_confidence;
char code;
} disambiguator;
typedef struct classified_pulse_ {
pulse_type t;
int length;
} classified_pulse;
void disambiguator_init(disambiguator * d);
pulse_type disambiguator_step(disambiguator * d, long time, int length);
#endif /* DISAMBIGUATOR_H */
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