arduino mega,
1.01 software.
compile a project, with all verbose warnings turned on
and I get the following, which to me , a none programmer look to be in the cpp code of hardware serial.
C:\Program Files\Arduino\arduino-1.0.1\hardware\arduino\cores\arduino\HardwareSerial.cpp: In function 'void
store_char(unsigned char, ring_buffer*)':
C:\Program Files\Arduino\arduino-1.0.1\hardware\arduino\cores\arduino\HardwareSerial.cpp:82: warning:
comparison between signed and unsigned integer expressions
C:\Program Files\Arduino\arduino-1.0.1\hardware\arduino\cores\arduino\HardwareSerial.cpp: In member function
'virtual size_t HardwareSerial::write(uint8_t)':
C:\Program Files\Arduino\arduino-1.0.1\hardware\arduino\cores\arduino\HardwareSerial.cpp:390: warning:
comparison between signed and unsigned integer expressions