Revision 22:9733f886810a, committed 2014-02-25

Comitter:

kandangath

Date:

Tue Feb 25 23:44:37 2014 +0000

Parent:

21:34b95e1b2bf3

Child:

23:cd4042093f85

Commit message:

Modifications to template version for member functions

Changed in this revision

--- a/DebouncedInterrupt.cpp	Tue Feb 25 07:13:29 2014 +0000
+++ b/DebouncedInterrupt.cpp	Tue Feb 25 23:44:37 2014 +0000
@@ -19,14 +19,8 @@
 
 void DebouncedInterrupt::attach(void (*fptr)(void), const gpio_irq_event trigger, const unsigned int& debounce_ms)
 {
-    attach(this, fptr, trigger, debounce_ms);
-}
-
-template<typename T>
-void DebouncedInterrupt::attach(T *cptr, void (*fptr)(void), const gpio_irq_event trigger, const unsigned int& debounce_ms)
-{
     if(fptr) {
-        fCallback = fptr;
+        _fAttach.attach(fptr);
         _last_bounce_count = _bounce_count = 0;
         _debounce_us = 1000*debounce_ms;
         _trigger = trigger;
@@ -34,10 +28,10 @@
         switch(trigger)
         {
             case IRQ_RISE:
-                _in->rise(cptr, &DebouncedInterrupt::_onInterrupt);
+                _in->rise(this, &DebouncedInterrupt::_onInterrupt);
                 break;
             case IRQ_FALL:
-                _in->fall(cptr, &DebouncedInterrupt::_onInterrupt);
+                _in->fall(this, &DebouncedInterrupt::_onInterrupt);
                 break;
             case IRQ_NONE:
                 reset(); // Unexpected. Clear callbacks.
@@ -63,7 +57,7 @@
     _last_bounce_count = _bounce_count;
     _bounce_count = 0;
     if(_din->read() == (_trigger==IRQ_RISE)) {
-        fCallback();
+        _fAttach.call();
     }
 }
 

--- a/DebouncedInterrupt.h	Tue Feb 25 07:13:29 2014 +0000
+++ b/DebouncedInterrupt.h	Tue Feb 25 23:44:37 2014 +0000
@@ -4,6 +4,7 @@
 
 #include <stdint.h>
 #include "mbed.h"
+#include "FunctionPointer.h"
 
 /**
 typedef enum {
@@ -47,7 +48,6 @@
     volatile unsigned int _bounce_count;
     volatile unsigned int _last_bounce_count;
     
-    void (*fCallback)(void);
     void _onInterrupt(void);
     void _callback(void);
 public:
@@ -58,7 +58,25 @@
     void attach(void (*fptr)(void), const gpio_irq_event trigger, const uint32_t& debounce_ms=10);
     
     template<typename T>
-    void attach(T* cptr, void (*fptr)(void), const gpio_irq_event trigger, const uint32_t& debounce_ms=10);
+    void attach(T* tptr, void (T::*mptr)(void), const gpio_irq_event trigger, const uint32_t& debounce_ms=10) {
+        _fAttach.attach(tptr, mptr);
+        _last_bounce_count = _bounce_count = 0;
+        _debounce_us = 1000*debounce_ms;
+        _trigger = trigger;
+        
+        switch(trigger)
+        {
+            case IRQ_RISE:
+                _in->rise(tptr, &DebouncedInterrupt::_onInterrupt);
+                break;
+            case IRQ_FALL:
+                _in->fall(tptr, &DebouncedInterrupt::_onInterrupt);
+                break;
+            case IRQ_NONE:
+                reset(); // Unexpected. Clear callbacks.
+                break;
+        }
+    }
    
     // Stop monitoring the interrupt
     void reset();
@@ -69,5 +87,8 @@
     * @return: bounce count
     */
     unsigned int get_bounce();
+protected:
+//    https://github.com/mbedmicro/mbed/blob/master/libraries/mbed/api/FunctionPointer.h
+    FunctionPointer _fAttach;
 };
 #endif
\ No newline at end of file