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优化触地检测

liang 2 năm trước cách đây
mục cha
commit
dd3eeadef9
1 tập tin đã thay đổi với 5 bổ sung5 xóa
  1. 5 5
      motion/detect_zero_vel.c

+ 5 - 5
motion/detect_zero_vel.c

@@ -8,7 +8,7 @@
 
 //#include "hal_imu.h"
 
-#define MAG_THRESHHOLD 500.f
+#define MAG_THRESHHOLD 500
 #define SAMPLE_C 4
 
 int16_t front_zero_tmp = 0;
@@ -165,7 +165,7 @@ int isLongTimeDownTrend(int16_t *mag_window, int16_t length, int16_t down_thresh
 void  find_acc_max_and_min_val(int16_t*src, int16_t start_index, int16_t end_index, int16_t sample, int16_t* max_val, int16_t*min_val)
 {
 	*max_val = src[end_index - 1];
-	*min_val = src[start_index];
+	*min_val = src[end_index - 1];
 	
 	for(int i = end_index - 1; i >= start_index; i -= sample)
 	{
@@ -318,11 +318,11 @@ void detect_zero_vel(int16_t front[3], int16_t back[3], int16_t acc[3],
 	//当back_up_wait 后脚跟压力上升的等待时间 大于0时候, 阈值调低为2000,否则为3000
 	if (back_up_wait > 0)
 	{
-		front_up_trend  = isLongTimeUpTrend(front_mag_window, WINDOW_SIZE, 1000, &front_min_val);
+		front_up_trend  = isLongTimeUpTrend(front_mag_window, WINDOW_SIZE, MAG_THRESHHOLD * 2, &front_min_val);
 	}
 	else
 	{
-		front_up_trend = isLongTimeUpTrend(front_mag_window, WINDOW_SIZE, 2000, &front_min_val);
+		front_up_trend = isLongTimeUpTrend(front_mag_window, WINDOW_SIZE, MAG_THRESHHOLD * 4, &front_min_val);
 	}
 	
 	//缓慢踩地
@@ -365,7 +365,7 @@ void detect_zero_vel(int16_t front[3], int16_t back[3], int16_t acc[3],
 	
 	
 	//当前脚掌压力上升,后脚压力上升,则意味全脚掌着地,那就意味是真正的触地
-	if (back_mag_window[WINDOW_SIZE - 1] - back_min_val > 500 && front_mag_window[WINDOW_SIZE - 1] - front_min_val > 500)
+	if (back_mag_window[WINDOW_SIZE - 1] - back_min_val > MAG_THRESHHOLD * 2 && front_mag_window[WINDOW_SIZE - 1] - front_min_val > MAG_THRESHHOLD * 2)
 	{
 		front_up_trend = 1;
 	}