Made a formula for calc speed

prosjekt.X/fan speeeed.h

@@ -4,8 +4,8 @@
  *
  * Created on 13. mars 2024, 13:38
  */
-#include "uart.h"
-#include "voltage.h"
+
+
 
 #ifndef FANSEEEED_H
 #define	FANSEEEED_H
@@ -13,8 +13,14 @@
 #ifdef	__cplusplus
 extern "C" {
 #endif
-
-    int speed(uint16_t adcVal);
+    #include "uart.h"
+    #include <stdbool.h>
+    #include <float.h>    
+    #include <stdio.h>
+    #include <stdlib.h>
+    #include <stdint.h>
+    #include <math.h>
+    int fan_speed(float value);
 
 
 #ifdef	__cplusplus

prosjekt.X/fan speeeeeeeed.c

@@ -1 +1,21 @@
 
+#include "fan speeeed.h"
+
+int fan_speed(float value){
+        float fan_speed;
+        float p = 0;
+        float timelate = 0;
+        float starttime = 0;
+        int oldPR = 0;
+        int curlPR;
+        int f;
+        if (curlPr > 300 && oldPr < 300){
+            starttime = millis();
+            p =(starttime - timelate);
+            timelate = startime;
+        }
+        oldPR = curlPR;
+        f = ((1/p)*1000);
+        fan_speed = (f*60)/2;
+        return fan_speed;
+    }