Small optimization in HardwareSerial.

begin(long) -> begin(unsigned long)

1 files changed, 1 insertions, 1 deletions

diff --git a/cores/arduino/HardwareSerial.h b/cores/arduino/HardwareSerial.h
index 3efa775..9dc67c4 100644
--- a/cores/arduino/HardwareSerial.h
+++ b/cores/arduino/HardwareSerial.h
@@ -48,7 +48,7 @@ class HardwareSerial : public Stream
       volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
       volatile uint8_t *udr,
       uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udre, uint8_t u2x);
-    void begin(long);
+    void begin(unsigned long);
     void end();
     virtual int available(void);
     virtual int peek(void);