On Jan 11 16:53, Florent Morin wrote: > Hello, > > I actually develop a program in C for reading and writing data on > serial port. It works fine on GNU/Linux. I now test it with cygwin > (Windows XP). > > I begin to set the port options, then I read/write information and > restore port settings. I can write on serial port but can't read. > > For testing, I have tried with a working program : stty. It works fine > with all options, but not with CREAD. > > $ stty cread < /dev/ttyS0 > stty: /dev/ttyS0: unable to perform all requested operations > > Can someone explain this ?
Please consider to debug this yourself. Cygwin has no volunteer which is fluent with serial I/O right now. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- 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/