Revision 2:7f2f00805d41, committed 2015-05-18

Comitter:

huliyang

Date:

Mon May 18 13:25:07 2015 +0000

Parent:

1:e59480cf6c72

Commit message:

Debouncer: re-order fields for better alignment & packing

Changed in this revision

--- a/Debouncer.cpp	Mon May 18 13:08:33 2015 +0000
+++ b/Debouncer.cpp	Mon May 18 13:25:07 2015 +0000
@@ -68,14 +68,14 @@
 //! \param pin Pin to poll.
 //! \param mode Pin mode, e.g. \a PullUp or \a PullDown.
 Debouncer::Debouncer(PinName pin, PinMode mode)
-    : in(pin, mode), now(mode == PullUp), previous(mode == PullUp ? -1 : 0)
+    : in(pin, mode), previous(mode == PullUp ? -1 : 0), now(mode == PullUp)
 {
     samples(); period();
 }
 
 //! Set the number of identical samples needed to regard the input as stable.
 //! \note Limited to at most 32 samples.
-Debouncer &Debouncer::samples(int n)
+Debouncer &Debouncer::samples(uint8_t n)
 {
     _samples = n;
     return *this;

--- 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);