Diff: stepcounter.h

Revision:

7:88d71c228407

Child:

8:2d43385e7784

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stepcounter.h	Wed Dec 01 00:20:32 2021 +0000
@@ -0,0 +1,67 @@
+#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 30
+
+#define MOST_ACTIVE_NULL 0
+#define MOST_ACTIVE_X 1
+#define MOST_ACTIVE_Y 2
+#define MOST_ACTIVE_Z 3
+
+#define ACTIVE_PRECISION 6
+
+#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;
+
+extern filter_avg_t acc_data;
+extern axis_info_t acc_sample;
+extern peak_value_t acc_peak;
+extern slid_reg_t acc_slid;
+extern uint8_t step_cnt;
+
+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);
+
+#endif
\ No newline at end of file