Yeah. RS232C can operate in many different ways, using the various "wires" differently. Opening a serial port is just the beginning of the work; then there is deciding what signals and handshake to use. Oh....the good ol' days.
Charles Stepp Meskimen's Law: There's never time to do it rite, but there's always time to do it over. -----Original Message----- From: Samuel Thibault [mailto:[EMAIL PROTECTED] Sent: Saturday, March 01, 2008 5:05 AM To: cygwin@cygwin.com Subject: Re: Serial port using USB adaptor hce, le Sat 01 Mar 2008 20:20:21 +1100, a écrit : > One more thing, if a serial port is not connected by a serial cable, > it can still open a serila port without errors. That was very stange > to everybody when a problem printed out "Open Serial Port /dev/com1 > success", but actually there was no cable connected to that port. Is > it a bug in Cygwin? That's not a bug: a daemon can then open a port and detect whenever you plug something and switch it on. Samuel -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/