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-rw-r--r--src/disambiguator.h68
1 files changed, 0 insertions, 68 deletions
diff --git a/src/disambiguator.h b/src/disambiguator.h
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--- a/src/disambiguator.h
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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
-
-// Determines the number of samples stored in the disambiguator struct.
-// Has to be higher than the maximum number of pulses expected between sync pulses.
-#define DIS_NUM_VALUES 48
-#define DIS_NUM_PULSES_BEFORE_LOCK 30
-#include <stdint.h>
-
-/**
- * internal disambiguator state
- */
-typedef enum {
- D_STATE_INVALID = 0,
- D_STATE_LOCKED = 1,
- D_STATE_UNLOCKED = -1,
-} dis_state;
-
-/**
- * classification result
- */
-typedef enum {
- P_UNKNOWN = 0,
- P_MASTER = 1,
- P_SWEEP = 2,
- P_SLAVE = 3,
-} pulse_type;
-
-/**
- * internal state of the disambiguator
- */
-struct disambiguator {
- // the timestamps of the recorded pulses
- uint32_t times[DIS_NUM_VALUES];
- // countes how many sync pulses we have seen, that match the time offset at the same offset
- uint16_t scores[DIS_NUM_VALUES];
- // current state
- dis_state state;
- // last sync pulse time
- uint32_t last;
- // the absolute maximum counter value
- int max_confidence;
- // the last code type seen
- char code;
-};
-
-
-/**
- * Initialize a new disambiguator. calloc or memset with 0x00 will work just as well.
- *
- * @param d Pointer to the struct
- */
-void disambiguator_init( struct disambiguator * d);
-
-/**
- * Feed in one pulse to have if classified.
- *
- * @param d Pointer to disambiguator state
- * @param time Rising edge of the pulse
- * @param length Length of the pulse
- * @return Classification result
- */
-pulse_type disambiguator_step( struct disambiguator * d, uint32_t time, int length);
-
-#endif /* DISAMBIGUATOR_H */ \ No newline at end of file