> The CTIi interrupt you are seeing is a timeout interrupt. This is used > to cover the case where anough bytes aren't recieved to trigger the high > water interrupt. The serial hardware issues these at a regular interval > to keep the buffer clear.
Actually, the interrupt is issued if the time between bytes being received exceeds the timeout value. The hardware is a little smarter than just issuing an interrupt at a regular interval. -- Ian ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Ian Duggan [EMAIL PROTECTED] http://www.ianduggan.net _______________________________________________ Bug-hurd mailing list [EMAIL PROTECTED] http://mail.gnu.org/mailman/listinfo/bug-hurd