move RowBase::process() to Row and Row_DH

src/Row.cpp

@@ -4,6 +4,23 @@ For return, 1 means debounced changed.
 */
 #include "Row.h"
 
+/*
+process() scans the row and calls any newly pressed or released keys.
+*/
+void Row::process(const bool activeHigh)
+{
+    //these variables are all bitwise, one bit per key
+    uint8_t rowState;                           //1 means pressed, 0 means released
+    uint16_t rowEnd;                            //1 bit marks positioned after last key of row
+    uint8_t debouncedChanged;                   //1 means debounced changed
+
+    wait();
+    scan(activeHigh);                           //save column-port-pin values to portState
+    rowState = getRowState(rowEnd, activeHigh);
+    debouncedChanged = debounce(rowState);
+    pressRelease(rowEnd, debouncedChanged);
+}
+
 uint8_t Row::debounce(const uint8_t rowState)
 {
     return debouncer.debounce(rowState, debounced);

src/Row.h

@@ -26,5 +26,6 @@ class Row : public RowBase
         {
             Debouncer_4Samples debouncer;
         }
+        virtual void process(const bool activeHigh);
 };
 #endif

src/RowBase.cpp

@@ -1,21 +1,4 @@
 #include "RowBase.h"
-/*
-scans the row and calls any newly pressed or released keys.
-*/
-void RowBase::process(const bool activeHigh)
-{
-    //these variables are all bitwise, one bit per key
-    uint8_t rowState;                           //1 means pressed, 0 means released
-    uint16_t rowEnd;                            //1 bit marks positioned after last key of row
-    uint8_t debouncedChanged;                   //1 means debounced changed
-
-    wait();
-    scan(activeHigh);                           //save column-port-pin values to portState
-    rowState = getRowState(rowEnd, activeHigh);
-    debouncedChanged = debounce(rowState);
-    pressRelease(rowEnd, debouncedChanged);
-}
-
 /* wait() delay's scan to give switches time to debounce.
 This version of wait() is very simple.  More sophisticated versions can override this one.
 

src/RowBase.h

@@ -20,14 +20,15 @@ class RowBase
         ColPort *const *const ptrsColPorts; //array of column ports
         const uint8_t colPortCount;
 
+        virtual void keyWasPressed();
+    protected:
+        uint8_t debounced;                  //bitwise, 1 means pressed, 0 means released
+
         void wait();
         void scan(const bool activeHigh);
         uint8_t getRowState(uint16_t& rowEnd, const bool activeHigh);
         virtual uint8_t debounce(const uint8_t rowState)=0;
         void pressRelease(const uint16_t rowEnd, const uint8_t debouncedChanged);
-        virtual void keyWasPressed();
-    protected:
-        uint8_t debounced;                  //bitwise, 1 means pressed, 0 means released
     public:
         RowBase( RowPort &refRowPort, const uint8_t rowPin,
             ColPort *const ptrsColPorts[], const uint8_t colPortCount,
@@ -35,7 +36,6 @@ class RowBase
             : ptrsKeys(ptrsKeys), refRowPort(refRowPort), rowPin(rowPin),
               ptrsColPorts(ptrsColPorts), colPortCount(colPortCount),
               debounced(0) { }
-        //Key* getPtrKey(uint8_t col) const; todo delete, no longer needed 5/31/16
-        void process(const bool activeHigh);
+        virtual void process(const bool activeHigh)=0;
 };
 #endif