using the way of the arduino map function

spinnyboy_rust/src/bin/dc_driver/mod.rs

@@ -1 +1,17 @@
-pub mod afroesc;
+pub mod afroesc;
+
+pub enum EscState {
+    Starting,
+    Running,
+    Stopping,
+    Stop
+    
+}
+//taken from: https://docs.arduino.cc/language-reference/en/functions/math/map/
+//used for the ramp up of the spincoater
+pub fn arduino_map(x:i32, in_min:i32, in_max:i32, out_min:i32, out_max:i32) -> i32 {
+
+  return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
+
+} 
+