Diff: keypad.cpp

Revision:

14:d6592dac4365

Parent:

1:fa689a04c361

--- a/keypad.cpp	Sat Sep 19 17:13:19 2015 +0000
+++ b/keypad.cpp	Sat Sep 19 18:15:01 2015 +0000
@@ -29,44 +29,44 @@
 
 using namespace mbed;
 
-Keypad::Keypad(PinName col0, PinName col1, PinName col2, PinName col3, 
-               PinName row0,PinName row1, PinName row2, PinName row3): 
-               _cols(col0,col1,col2,col3) ,_rows(row0,row1,row2,row3)    {    }     
+Keypad::Keypad(PinName col0, PinName col1, PinName col2, PinName col3,
+               PinName row0,PinName row1, PinName row2, PinName row3):
+    _cols(col0,col1,col2,col3) ,_rows(row0,row1,row2,row3)    {    }
 
- void Keypad::enablePullUp()
+void Keypad::enablePullUp()
 {
-  _cols.mode(PullUp);
+    _cols.mode(PullUp);
 }
 
 bool Keypad::getKeyPressed()
 {
-    _rows = 0;              // Ground all keys  
+    _rows = 0;              // Ground all keys
     if(_cols.read()==0xff)  //Chk if key is pressed
-       return false;
-       
-    return true; 
+        return false;
+
+    return true;
 }
 
 int Keypad::getKeyIndex()
 {
     if (!getKeyPressed())
-       return -1;
-     
-     //Scan rows and cols and return switch index   
-    for(int i=0; i<4; i++) 
-    {   _rows = ~(0x01 << i);   
-        for(int j=0; j<4;j++)         
-          if (  !( (_cols.read()>> j )& 0x1 ))
-              return  j + (i*4);
-    }    
+        return -1;
+
+    //Scan rows and cols and return switch index
+    for(int i=0; i<4; i++) {
+        _rows = ~(0x01 << i);
+        for(int j=0; j<4; j++)
+            if (  !( (_cols.read()>> j )& 0x1 ))
+                return  j + (i*4);
+    }
     return -1;
-}          
+}
 
 char Keypad::getKey()
 {
-  int k = getKeyIndex();    
-  if(k != -1)
-    return  keys[k];
- 
-   return 0;
+    int k = getKeyIndex();
+    if(k != -1)
+        return  keys[k];
+
+    return 0;
 }