Fixed portOutputRegister() and portInputRegister() macros.

cmaglie · cmaglie · commit c68a0f587578 · 2012-11-05T16:52:57.000+01:00
http://arduino.cc/forum/index.php/topic,130714.0.html
diff --git a/hardware/arduino/sam/cores/arduino/Arduino.h b/hardware/arduino/sam/cores/arduino/Arduino.h
@@ -58,8 +58,8 @@ extern void loop( void ) ;
 #define digitalPinToBitMask(P)     ( g_APinDescription[P].ulPin )
 #define digitalPinToTimer(P)       (  )
 //#define analogInPinToBit(P)        ( )
-#define portOutputRegister(port)   ( port->PIO_ODSR )
-#define portInputRegister(port)    ( port->PIO_PDSR )
+#define portOutputRegister(port)   ( &(port->PIO_ODSR) )
+#define portInputRegister(port)    ( &(port->PIO_PDSR) )
 //#define portModeRegister(P)        (  )
 
 //#define NOT_A_PIN 0  // defined in pio.h/EPioType
