add RowScanner_Arduino, hard code pins for row0 and col6, init in setup()

src/Row.h

@@ -2,7 +2,8 @@
 #define ROW_H
 
 #include <RowBase.h>
-#include <RowScanner_BitManipulation.h>
+//#include <RowScanner_BitManipulation.h>
+#include <RowScanner_Arduino.h>
 #include <Debouncer_4Samples.h>
 
 /*
@@ -18,12 +19,12 @@ Instantiation
 class Row : public RowBase
 {
     private:
-        RowScanner_BitManipulation scanner;
+        //RowScanner_BitManipulation scanner;
+        RowScanner_Arduino scanner;
         Debouncer_4Samples debouncer;
     public:
-        Row( RowPort &refRowPort, const uint8_t rowPin,
+        //Row constructor was like Row_DH constructor
-            ColPort *const ptrsColPorts[], const uint8_t colPortCount, Key *const ptrsKeys[])
+        Row(Key *const ptrsKeys[]) : RowBase(ptrsKeys) { }
-            : RowBase(ptrsKeys), scanner(refRowPort, rowPin, ptrsColPorts, colPortCount) { }
         virtual void process();
 };
 #endif

src/RowBase.cpp

@@ -33,6 +33,8 @@ That way debug messages are printed at a managable rate.
 void RowBase::wait()
 {
     delayMicroseconds(DELAY_MICROSECONDS);      //delay between Row scans to debounce switches
+delay(500);
+Keyboard.print(" w ");
 }
 
 /*

src/RowScanner_Arduino.cpp

@@ -0,0 +1,58 @@
+#include "RowScanner_Arduino.h"
+/*
+Strobes the row and reads the columns.
+Strobe is on for shortest possible time to preserve IR LED on DodoHand's optic switch.
+*/
+uint8_t RowScanner_Arduino::scan(uint16_t& rowEnd)
+{
+    uint8_t rowState = 0;
+
+    //strobe row on
+    if (activeHigh)
+    {
+        digitalWrite(0, HIGH);
+    }
+    else //activeLow
+    {
+        digitalWrite(0, LOW);
+    }
+    delayMicroseconds(3);  //time to stablize voltage
+    
+/*
+    uint8_t col = 1;
+
+    //read all the column ports
+    for (uint8_t i=0; i < readPinCount; i++)
+    {
+        if (digitalRead(6))
+        {
+            rowState |= col;
+            //ptrsColPorts[i]->read();
+        }
+        col <<= 1;
+    }
+*/
+        if (digitalRead(6) == 0)
+        {
+            rowState |= 1<<0;
+        }
+        if (digitalRead(7) == 0)
+        {
+            rowState |= 1<<1;
+        }
+
+    //strobe row off
+    if (activeHigh)
+    {
+        digitalWrite(0, LOW);
+    }
+    else //activeLow
+    {
+        digitalWrite(0, HIGH);
+    }
+   
+    rowEnd = 4; //only read first two col, a1 b2 4
+
+Keyboard.print(rowState); // prints 2b, not 1a,  what happened to col0?
+    return rowState;
+}

src/RowScanner_Arduino.h

@@ -0,0 +1,29 @@
+#ifndef ROWSCANNER_ARDUINO_H
+#define ROWSCANNER_ARDUINO_H
+#include <Arduino.h>
+#include <inttypes.h>
+#include <RowScannerInterface.h>
+#include <RowPort.h>
+#include <ColPort.h>
+/* rowPin > stobePins[]
+replace port calls with
+  x pass 1: hard coded pins for row0 and col6, init in setup()
+    pass 2: pins[] array - first strobe, then read
+    pass 3: move calls to IC classes - Strobe_uC, Read_uC
+    pass 4: add IC classes Strobe_MCP23018, Read_MCP23018 */
+class RowScanner_Arduino : public RowScannerInterface
+{
+    private:
+        static const bool activeHigh;           //logic level of strobe pin: 0=activeLow, 1=activeHigh
+        //const uint8_t* stobePins;               //array of strobe pins
+        //const uint8_t* readPins;                //array of read pins
+        //const uint8_t readPinCount;
+    public:
+        /*RowScanner_Arduino()
+            : 
+            readPinCount(readPinCount) {}*/
+        virtual uint8_t scan(uint16_t& rowEnd);
+        uint8_t getRowState(uint16_t& rowEnd);
+};
+#endif
+