Liyang HU / Debouncer Featured

Debounce a mechanical switch by periodic sampling.

Dependents:   RedButton WS_7_Seg_mit_LM1635 WS_7_Seg_mit_LM1635 Lichtschalter_M0 ... more

Diff: Debouncer.h

Revision:
2:7f2f00805d41
Parent:
0:2359961af424
--- a/Debouncer.h	Mon May 18 13:08:33 2015 +0000
+++ b/Debouncer.h	Mon May 18 13:25:07 2015 +0000
@@ -29,14 +29,14 @@
 private:
     FunctionPointer fun_fall, fun_rise;
     DigitalIn in;
+    uint32_t previous;
+    uint8_t _samples;
     bool now;
-    int _samples;
-    uint32_t previous;
     void tick(void);
 
 public:
     Debouncer(PinName pin, PinMode mode = PullUp);
-    Debouncer &samples(int n = 8);
+    Debouncer &samples(uint8_t n = 8);
     Debouncer &period(float seconds = 3.90625e-3);
     operator bool(void);