QextSerialPort is not a Qt class, and even if it were it would be a question for qt-interest, not qt-creator.
Check the class's home page to find contact information for its creator. /s/ Adam On Mon, Jan 11, 2010 at 1:51 PM, Robert Wood <robert.w...@apostrophe.co.uk> wrote: > Folks, > > Not sure this is quite the right place for this question, but here goes: > > I am writing data out to a VCP using qextserialport and all works fine > in terms of getting the data to and fro the PC. One thing I do want to > do though, is check when the last byte of data has actually been sent. > ie The output buffer of the UART IC itself is empty. > > Reason I want to do this is that once all the data has gone, I need to > immediately set the RTS line low, so my little RS485 adapter is put into > receive mode. > > I thought that maybe waitForBytesWritten(int msec) would do the trick > (and maybe it does), but I can't get it to work. > > I've tried > > vcp->writeData(&c[0],10); > while (vcp->waitForBytesWritten(x) == false); > vcp->setRts(false); > > where x is various values, including -1, but it just jumps out and the > RTS line gets set low too early, the data thus not getting sent out. > > Anyone know whether what I want to do is possible?! > > Many thanks, > > Rob > _______________________________________________ > Qt-creator mailing list > Qt-creator@trolltech.com > http://lists.trolltech.com/mailman/listinfo/qt-creator > _______________________________________________ Qt-creator mailing list Qt-creator@trolltech.com http://lists.trolltech.com/mailman/listinfo/qt-creator
