replaced references to PORTB, DDRB, SPI_SS, SPI_SCK, SPI_MOSI, SPI_MI…

…SO with abstract arduino references and or digitalWrite, pinMode calls

enc28j60.cpp

@@ -251,30 +251,30 @@ word ENC28J60::bufferSize;
 
 static byte Enc28j60Bank;
 static int gNextPacketPtr;
-static byte selectBit;  // 0 = B0 = pin 8, 1 = B1 = pin 9, 2 = B2 = pin 10
+static byte selectPin;
 
 void ENC28J60::initSPI () {
-    pinMode(SPI_SS, OUTPUT);
-    digitalWrite(SPI_SS, HIGH);
-    pinMode(SPI_MOSI, OUTPUT);
-    pinMode(SPI_SCK, OUTPUT);   
-    pinMode(SPI_MISO, INPUT);
+    pinMode(SS, OUTPUT);
+    digitalWrite(SS, HIGH);
+    pinMode(MOSI, OUTPUT);
+    pinMode(SCK, OUTPUT);   
+    pinMode(MISO, INPUT);
 
-    digitalWrite(SPI_MOSI, HIGH);
-    digitalWrite(SPI_MOSI, LOW);
-    digitalWrite(SPI_SCK, LOW);
+    digitalWrite(MOSI, HIGH);
+    digitalWrite(MOSI, LOW);
+    digitalWrite(SCK, LOW);
 
     SPCR = bit(SPE) | bit(MSTR); // 8 MHz @ 16
     bitSet(SPSR, SPI2X);
 }
 
 static void enableChip () {
     cli();
-    bitClear(PORTB, selectBit);
+    digitalWrite(selectPin, LOW);
 }
 
 static void disableChip () {
-    bitSet(PORTB, selectBit);
+    digitalWrite(selectPin, HIGH);
     sei();
 }
 
@@ -367,8 +367,8 @@ byte ENC28J60::initialize (word size, const byte* macaddr, byte csPin) {
     bufferSize = size;
     if (bitRead(SPCR, SPE) == 0)
       initSPI();
-    selectBit = csPin - 8;  
-    bitSet(DDRB, selectBit);
+    selectPin = csPin;  
+    pinMode(selectPin, OUTPUT);
     disableChip();
 
     writeOp(ENC28J60_SOFT_RESET, 0, ENC28J60_SOFT_RESET);
@@ -521,8 +521,8 @@ uint8_t ENC28J60::doBIST ( byte csPin) {
 // init	
     if (bitRead(SPCR, SPE) == 0)
       initSPI();
-    selectBit = csPin - 8;  
-    bitSet(DDRB, selectBit);
+    selectPin = csPin;  
+    pinMode(selectPin, OUTPUT);
     disableChip();
 
     writeOp(ENC28J60_SOFT_RESET, 0, ENC28J60_SOFT_RESET);