Oscar Schofield / Mbed 2 deprecated Elec350_OBS

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Dependencies:   mbed

Diff: button.cpp

Revision:
10:8a6ecbf764fa
Parent:
9:a018d7c05dc7
Child:
11:444afcb2f59f
diff -r a018d7c05dc7 -r 8a6ecbf764fa button.cpp
--- a/button.cpp	Tue Nov 10 13:06:51 2015 +0000
+++ b/button.cpp	Thu Nov 12 11:44:30 2015 +0000
@@ -20,9 +20,11 @@
     Timer timer;
     timer.start();
     
-    while(this->ifPressed()== true){
-        wait(0.01f);
+    while(this->ifPressed()== false){
+        if (timeout != -1.0f && timer.read() > timeout){
+            return -1.0f;
     }
+    
     timer.stop();
     return timer.read();    
 }
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