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-rw-r--r--cores/arduino/USBAPI.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/cores/arduino/USBAPI.h b/cores/arduino/USBAPI.h
index d506b58..4846fc2 100644
--- a/cores/arduino/USBAPI.h
+++ b/cores/arduino/USBAPI.h
@@ -30,6 +30,7 @@ class Serial_ : public Stream
private:
int peek_buffer;
public:
+ Serial_() { peek_buffer = -1; };
void begin(unsigned long);
void begin(unsigned long, uint8_t);
void end(void);