Gary Mitchell / Mbed 2 deprecated SonarRangeFinderV1-2

MB7040 Range finder experiment.

Dependencies:   mbed

Fork of SonarRangeFinderV1 by Jim Belesiu

Files at this revision

API Documentation at this revision

Revision 2:9870fda1edb6, committed 2015-03-01

Comitter:
gfmitch
Date:
Sun Mar 01 08:07:33 2015 +0000
Parent:
1:0cf1f2254f10
Commit message:
Modified v1-1 to correctly handle range of values read by MB7040.

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Sat Jan 03 22:40:31 2015 +0000
+++ b/main.cpp	Sun Mar 01 08:07:33 2015 +0000
@@ -48,7 +48,12 @@
         // Output voltage proportional to distance.
         // The output value for the variable signal is 0 to 1.0.
         
-        signal = range / 765.0;
+        signal = ( range - 20.0 ) / 745.0;
+        
+        // original code (below) did not account for the "dead" values
+        // 0-20cm
+        
+        // signal = range / 765.0;
 
     }
 }