From 2b1c9aea350e883c040bc168fde55934d77c5f47 Mon Sep 17 00:00:00 2001 From: "David A. Mellis" Date: Mon, 2 Aug 2010 22:23:48 +0000 Subject: changing available() to return an int (because the Ethernet Client class or another stream might need more than 255 bytes). --- cores/arduino/HardwareSerial.cpp | 2 +- cores/arduino/HardwareSerial.h | 2 +- cores/arduino/Stream.h | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) (limited to 'cores/arduino') diff --git a/cores/arduino/HardwareSerial.cpp b/cores/arduino/HardwareSerial.cpp index f8cdebe..43322ae 100755 --- a/cores/arduino/HardwareSerial.cpp +++ b/cores/arduino/HardwareSerial.cpp @@ -173,7 +173,7 @@ void HardwareSerial::end() cbi(*_ucsrb, _rxcie); } -uint8_t HardwareSerial::available(void) +int HardwareSerial::available(void) { return (RX_BUFFER_SIZE + _rx_buffer->head - _rx_buffer->tail) % RX_BUFFER_SIZE; } diff --git a/cores/arduino/HardwareSerial.h b/cores/arduino/HardwareSerial.h index 884f9fe..1770a63 100755 --- a/cores/arduino/HardwareSerial.h +++ b/cores/arduino/HardwareSerial.h @@ -48,7 +48,7 @@ class HardwareSerial : public Stream uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udre, uint8_t u2x); void begin(long); void end(); - virtual uint8_t available(void); + virtual int available(void); virtual int peek(void); virtual int read(void); virtual void flush(void); diff --git a/cores/arduino/Stream.h b/cores/arduino/Stream.h index 1d3e50b..1c72ec2 100644 --- a/cores/arduino/Stream.h +++ b/cores/arduino/Stream.h @@ -26,7 +26,7 @@ class Stream : public Print { public: - virtual uint8_t available() = 0; + virtual int available() = 0; virtual int peek() = 0; virtual int read() = 0; virtual void flush() = 0; -- cgit v1.2.3-18-g5258