get_distance_top and bottom return a float

Author: gbr1

src/Arduino_Alvik.cpp

@@ -683,12 +683,12 @@ void Arduino_Alvik::get_distance(float & left, float & center_left, float & cent
   xSemaphoreGive(distance_semaphore);
 }
 
-void Arduino_Alvik::get_distance_top(float & top, const uint8_t unit){
-  top = convert_distance(distances[5], MM, unit);
+float Arduino_Alvik::get_distance_top(const uint8_t unit){
+  return convert_distance(distances[5], MM, unit);
 }
 
-void Arduino_Alvik::get_distance_bottom(float & bottom, const uint8_t unit){
-  bottom = convert_distance(distances[6], MM, unit);
+float Arduino_Alvik::get_distance_bottom(const uint8_t unit){
+  return convert_distance(distances[6], MM, unit);
 }
 
 

src/Arduino_Alvik.h

@@ -195,8 +195,8 @@ class Arduino_Alvik{
     void get_imu(float & ax, float & ay, float & az, float & gx, float & gy, float & gz);
 
     void get_distance(float & left, float & center_left, float & center, float & center_right, float & right, const uint8_t unit = CM);
-    void get_distance_top(float & top, const uint8_t unit = CM);
-    void get_distance_bottom(float & bottom, const uint8_t unit = CM);
+    float get_distance_top(const uint8_t unit = CM);
+    float get_distance_bottom(const uint8_t unit = CM);
 
 
     bool get_touch_any();