Diff: GP2A.h

Revision:

5:49fb7016797c

Parent:

4:4f443a6a6843

Child:

6:36744d1b3127

--- a/GP2A.h	Thu May 31 17:25:25 2018 +0000
+++ b/GP2A.h	Sun Oct 13 13:35:59 2019 +0000
@@ -50,8 +50,10 @@
  * Slope definitions for common GP2A sensors
  */
  
-#define GP2Y0A02YK0F    55.0
-#define GP2Y0A21YK0F    10
+#define GP2Y0A02YK0F_SLOPE    60.0
+#define GP2Y0A21YK0F_SLOPE    0.23625
+#define GP2Y0A02YK0F_ORIGIN   0.0
+#define GP2Y0A21YK0F_ORIGIN   -0.297
 
 /**
  * Includes : Mbed library
@@ -73,9 +75,10 @@
      * @param dMin (double) : the GP2A sensor min distance to mesure
      * @param dMax (double) : the GP2A sensor max distance to mesure
      * @param slope (double) : the slope of the linear part of the graph V = f(1/d)
-     * @note you better use slope value that I've put above
+     * @param origin (double) : the origin (Y for X=0) of the linear pat of the graph V = f(1/d)
+     * @note you better use slope and origin value that I've put above as sybolic constants
      */
-    GP2A(PinName vmes, float dMin, float dMax, float slope);
+    GP2A(PinName vmes, float dMin, float dMax, float slope, float origin = 0);
 
     /**
      * Return the distance to target mesured by sensor in cm
@@ -101,7 +104,7 @@
     
 
 private :
-    float m_dMin, m_dMax, m_slope;
+    float m_dMin, m_dMax, m_slope, m_origin;
 
 protected :