1 files changed, 24 insertions, 0 deletions
diff --git a/cores/arduino/HardwareSerial.h b/cores/arduino/HardwareSerial.h
index e4cb969..55abf07 100755
--- a/cores/arduino/HardwareSerial.h
+++ b/cores/arduino/HardwareSerial.h
@@ -24,9 +24,27 @@
 
 #include "Print.h"
 
+struct ring_buffer;
+
 class HardwareSerial : public Print
 {
+  private:
+    ring_buffer *_rx_buffer;
+    volatile uint8_t *_ubrrh;
+    volatile uint8_t *_ubrrl;
+    volatile uint8_t *_ucsra;
+    volatile uint8_t *_ucsrb;
+    volatile uint8_t *_udr;
+    uint8_t _rxen;
+    uint8_t _txen;
+    uint8_t _rxcie;
+    uint8_t _udre;
   public:
+    HardwareSerial(ring_buffer *rx_buffer,
+      volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
+      volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
+      volatile uint8_t *udr,
+      uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udre);
     void begin(long);
     uint8_t available(void);
     int read(void);
@@ -36,5 +54,11 @@ class HardwareSerial : public Print
 
 extern HardwareSerial Serial;
 
+#if defined(__AVR_ATmega1280__)
+extern HardwareSerial Serial1;
+extern HardwareSerial Serial2;
+extern HardwareSerial Serial3;
+#endif
+
 #endif