Fala Thiago,
Acho que porta está errada... não seria o "/dev/ttyS0" ? Tente também
diminuir a velocidade para 9600.
Abraços,
--
Davi Vercillo C. Garcia
B.Sc. Student - DCC-IM/UFRJ
Trainee (SysAdmin) - NACAD/COPPE
http://www.google.com/profiles/davivercillo
"A computer lets you make more mistakes faster than any invention in
human history with the possible exceptions of handguns and tequila." -
Unknown