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ECE 4180 Final Project
Dependencies: mbed PulseSensor mbed-rtos LSM9DS1_Library_cal
stepcounter.h
- Committer:
- zhihanzhang
- Date:
- 2021-12-14
- Revision:
- 10:63d223104806
- Parent:
- 9:dcbd546412ea
File content as of revision 10:63d223104806:
#ifndef __STEPCOUNTER_H__ #define __STEPCOUNTER_H__ #include "stdint.h" #include "math.h" #define FILTER_CNT 3 #define MAX(a, b) ((a) > (b) ? (a) : (b)) #define MIN(a, b) ((a) < (b) ? (a) : (b)) #define SAMPLE_SIZE 10 #define ABS(a) (0 - (a)) > 0 ? (-(a)) : (a) #define DYNAMIC_PRECISION 60 #define MOST_ACTIVE_NULL 0 #define MOST_ACTIVE_X 1 #define MOST_ACTIVE_Y 2 #define MOST_ACTIVE_Z 3 #define ACTIVE_PRECISION 120 #define DATA_FACTOR 1000 typedef struct { short x; short y; short z; } axis_info_t; typedef struct { axis_info_t newmax; axis_info_t newmin; axis_info_t oldmax; axis_info_t oldmin; } peak_value_t; typedef struct filter_avg { axis_info_t info[FILTER_CNT]; unsigned char count; } filter_avg_t; typedef struct slid_reg { axis_info_t new_sample; axis_info_t old_sample; } slid_reg_t; void filter_calculate(filter_avg_t *filter, axis_info_t *sample); void peak_value_init(peak_value_t *peak); void peak_update(peak_value_t *peak, axis_info_t *cur_sample); char slid_update(slid_reg_t *slid, axis_info_t *cur_sample); char is_most_active(peak_value_t *peak); void detect_step(peak_value_t *peak, slid_reg_t *slid, axis_info_t *cur_sample); uint8_t get_step(); #endif