> > So the 16550 sucks, that's not true of everyone elses uarts. > > It's true of all 8250 compatibles which don't have hardware RS485 > support. I think that's all of them except 16850 and 16960. Its not true of a lot of other uart devices however. > A while back, there were people asking for: > 1. handshaking on DTR/DSR rather than RTS/CTS. > 2. a different handshaking method for RTS/CTS (where you assert > RTS to ask for permission to send when you actually have something > to send.) > > Should CRTSCTS be a global "enable some kind of flow control" bit and > setserial be used to configure the actual flow control method > (conventional RTS/CTS, DTR/DSR, alternate RTS/CTS, RS485 on RTS, > RS485 on DTR) ? I've actually been trying to find out how other Unixen handle DTR/DSR and not had any luck finding a sensible common interface for it. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html