Revision 3:cf12ac7d8d50, committed 2015-09-20

Comitter:

adithya_murali

Date:

Sun Sep 20 21:22:54 2015 +0000

Parent:

2:cb3afc45028b

Commit message:

modified PinDetect

Changed in this revision

diff -r cb3afc45028b -r cf12ac7d8d50 PinDetect.h
--- a/PinDetect.h	Thu Jan 13 11:09:22 2011 +0000
+++ b/PinDetect.h	Sun Sep 20 21:22:54 2015 +0000
@@ -140,6 +140,7 @@
     int         _samplesTillAssert;
     int         _samplesTillHeldReload;
     int         _samplesTillHeld;
+    bool        _holdRepeat;
     FunctionPointer _callbackAsserted;
     FunctionPointer _callbackDeasserted;
     FunctionPointer _callbackAssertedHeld;
@@ -157,7 +158,7 @@
         _samplesTillAssertReload = PINDETECT_ASSERT_COUNT;
         _samplesTillHeldReload   = PINDETECT_HOLD_COUNT;
         _assertValue             = PINDETECT_PIN_ASSTERED;
-        
+        _holdRepeat              = false;
         _in = new DigitalIn( p );
         _in->mode( m );        
         _prevState = _in->read();        
@@ -172,13 +173,13 @@
 
     /** PinDetect constructor
      *
-     * By default the PinMode is set to PullDown.
+     * By default the PinMode is set to PullDefault.
      *
      * @see http://mbed.org/handbook/DigitalIn
      * @param p PinName is a valid pin that supports DigitalIn
      */    
     PinDetect(PinName p) {
-        init( p, PullDown );
+        init( p, PullDefault );
     }
 
     /** PinDetect constructor
@@ -198,6 +199,13 @@
         if ( _in )      delete( _in );
     }
     
+    /** Set whether hold callback is repeatedly invoked while held.
+     *
+     * @param bool true to repeat callback, false to call back only once
+     */
+    void setHoldRepeat(bool repeat) {
+        _holdRepeat = repeat;
+    }
     /** Set the sampling time in microseconds.
      *
      * @param int The time between pin samples in microseconds.
@@ -484,6 +492,9 @@
                         _callbackAssertedHeld.call();
                     else                              
                         _callbackDeassertedHeld.call();
+                    if(_holdRepeat) {
+                        _samplesTillHeld = _samplesTillHeldReload; 
+                    }
                 }
             }
             else {