Diff: button.cpp

Revision:

2:cf58f3863c07

Parent:

1:e9d0d9b29acc

Child:

3:68f58a34e627

--- a/button.cpp	Tue Dec 04 10:40:33 2018 +0000
+++ b/button.cpp	Thu Dec 13 12:48:21 2018 +0000
@@ -47,14 +47,15 @@
 //      - bBtnNewAction:    flag, if an action is occur
 //      - iNumCycle:        cycle counter of same state
 //      - NUNCYCLES:        max. value of cycle counter
+//      - *iNumBtn:         pointer of variable, which counts pressed buttons
 /******************************************************************************/
-void button::polling()
+void button::polling(int *iNumBtn)
 {
     bOldState   = bNewState;                                                    // bNewState gets the becomes the bOldstate
     bNewState   = (bool)pin->read();                                            // update bNewState
     bWasPressed = false;                                                        // reset the flag was pressed
 
-
+    
     if(!bBtnNewAction and (bOldState != bNewState))                             // if there is a action (changing signal) on the button (btn), then rise the flag bBtnNewAction
         bBtnNewAction = true;
     
@@ -73,6 +74,9 @@
                 if(bNewState == PRESSED) {                                      // btn is pressed, then
                     bIsPressed = true;                                          // set this flag true
                     
+                    if(iNumBtn != NULL)
+                        (*iNumBtn)++;
+                    
                     if(fTime > 0)                                                // if btn has a timer, 
                         timer->attach(this, &button::setLongPressFlag, fTime);
                         
@@ -86,6 +90,9 @@
                     if(fTime > 0)                                               // if btn has a timer, 
                         timer->detach();
                         bLongPress = false;
+                        
+                    if((iNumBtn != NULL && *iNumBtn) > 0)
+                        (*iNumBtn)--;
                 }
 
             }