Mercurial > public > ostc4
view Discovery/Inc/motion.h @ 381:695434a6dcf6 MotionDetection
Simplified pitch detection state machine:
Considering a pitch to last 1 to 2 seconds only around 5 to 10 iterations are used. As result the used counters had limits of 1 or 2 => not really needed
author | ideenmodellierer |
---|---|
date | Thu, 10 Oct 2019 22:11:59 +0200 |
parents | 4bb5ceebfaf9 |
children | 49a02dea8ae3 |
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/* * motion.h * * Created on: 20.05.2019 * Author: Thorsten Sonntag */ #ifndef INC_MOTION_H_ #define INC_MOTION_H_ /* exported data types */ #define CUSTOMER_DEFINED_VIEWS (100u) /* value will cause the function to detect the number of selected views */ #define CUSTOMER_KEEP_LAST_SECTORS (200u) /* do not update number of sectors, just define the new center position */ typedef enum { MOTION_DETECT_OFF = 0, MOTION_DETECT_SECTOR, MOTION_DETECT_MOVE, MOTION_DETECT_SCROLL, MOTION_DETECT_END } MotionDetectMethod_t; typedef enum { DETECT_START = 0, DETECT_POS_MOVE, DETECT_MAXIMA, DETECT_FALLBACK, DETECT_POS_PITCH, DETECT_NEG_MOVE, DETECT_MINIMA, DETECT_RISEBACK, DETECT_NEG_PITCH, DETECT_NOTHING } detectionState_t; typedef struct { float upperlimit; float lowerlimit; } SSector; void InitMotionDetection(void); void DefinePitchSectors(float centerAngle, uint8_t numOfSectors); detectionState_t detectPitch(float currentPitch); detectionState_t detectSectorButtonEvent(float curPitch); detectionState_t detectScrollButtonEvent(float curPitch); #endif /* INC_MOTION_H_ */