WizziLab / DebouncedInterrupt

A replacement for InterruptIn that debounces the interrupt.

Dependents:   D7A_Demo-Get-started CVtoOSCConverter EE3501keypad D7A_Localisation ... more

Fork of DebouncedInterrupt by Anil Kandangath

Example code:

#include "DebouncedInterrupt.h"

DebouncedInterrupt up_button(USER_BUTTON);

void onUp()
{
    // Do Something
}

int main()
{
    // Will immediatly call function and ignore other interrupts until timeout
    up_button.attach(&onUp, IRQ_FALL, 1000, true);

    // Will call function only if button has been held for the specified time
    //up_button.attach(&onUp, IRQ_FALL, 500, false);

    while(1) {}
}

Diff: DebouncedInterrupt.cpp

Revision:
14:da09706b92f5
Parent:
13:09b53a088a9c
Child:
17:96a51b236ba0
--- a/DebouncedInterrupt.cpp	Tue Feb 18 16:51:44 2014 +0000
+++ b/DebouncedInterrupt.cpp	Tue Feb 18 17:26:42 2014 +0000
@@ -8,10 +8,13 @@
 DebouncedInterrupt::DebouncedInterrupt(PinName pin)
 {
     _in = new InterruptIn(pin);
+    _din = new DigitalIn(pin);
 }
 
 DebouncedInterrupt::~DebouncedInterrupt()
 {
+    delete _in;
+    delete _din;
 }
 
 void DebouncedInterrupt::attach(void (*fptr)(void), 
@@ -51,7 +54,9 @@
 {
     _last_bounce_count = _bounce_count;
     _bounce_count = 0;
-    fCallback();
+    if(_din) {
+        fCallback();
+    }
 }
 
 void DebouncedInterrupt::_onInterrupt()