Diff: Fusokukei.h

Revision:

0:085b2c5e3254

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Fusokukei.h	Tue Feb 23 13:05:06 2016 +0000
@@ -0,0 +1,46 @@
+#ifndef FUSOKUKEI_H
+#define FUSOKUKEI_H
+
+#include "mbed.h"
+
+#define AIR_K 0.14737
+#define AIR_N 1.19
+#define AIR_A 1.4314
+#define AIR_B 0.209
+#define AIR_SUM_NUM 20
+#define AIR_BUFFER 30
+
+float airSpeed = 0.0;
+float airSpeed_ave = 0.0;
+float airSpeed_max = 0.0;
+int air_counter = 0;
+float air_sum[AIR_SUM_NUM] = {0.0};
+
+class Fusokukei{
+    protected:
+    
+    public:      
+    float make_ave(float s[], int n){
+        float p = 0;
+        int i;
+        for(i = 0; i < n; i++){
+           p += s[i];    
+        }
+        if(n != 0)
+        return p / n;    
+        else
+        return 0;
+    }
+    
+    void calcAirSpeed(float x){
+          air_sum[air_counter % AIR_SUM_NUM] = (float)AIR_K * (float)pow((double)x, 1 / AIR_N);
+          if(air_counter % AIR_SUM_NUM == 0)
+            air_counter = 0;
+          airSpeed_ave = make_ave(air_sum, AIR_SUM_NUM);
+          airSpeed = airSpeed_ave*AIR_A+AIR_B;
+          if(airSpeed > airSpeed_max)
+            airSpeed_max = airSpeed;  
+          air_counter++;
+      }
+};
+#endif
\ No newline at end of file