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-rw-r--r--cores/arduino/HardwareSerial.cpp2
-rw-r--r--cores/arduino/HardwareSerial.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/cores/arduino/HardwareSerial.cpp b/cores/arduino/HardwareSerial.cpp
index 9f5ed50..d6d7b60 100644
--- a/cores/arduino/HardwareSerial.cpp
+++ b/cores/arduino/HardwareSerial.cpp
@@ -265,7 +265,7 @@ HardwareSerial::HardwareSerial(ring_buffer *rx_buffer, ring_buffer *tx_buffer,
// Public Methods //////////////////////////////////////////////////////////////
-void HardwareSerial::begin(long baud)
+void HardwareSerial::begin(unsigned long baud)
{
uint16_t baud_setting;
bool use_u2x = true;
diff --git a/cores/arduino/HardwareSerial.h b/cores/arduino/HardwareSerial.h
index d229373..eefdcbe 100644
--- a/cores/arduino/HardwareSerial.h
+++ b/cores/arduino/HardwareSerial.h
@@ -49,7 +49,7 @@ 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 udrie, uint8_t u2x);
- void begin(long);
+ void begin(unsigned long);
void end();
virtual int available(void);
virtual int peek(void);