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[REBOL] Schemes, handlers and COM-ports

From: maillist:peter:home:se at: 22-Jan-2004 15:30

Hello! I am trying to write an application that talks/listens to my modem. The modem is identified as an internal Conexant Intl HSFi V92 MiniPCI Modem on COM4 on a Compaq Evo running Windows XP Pro. Maybe it is a little special since it is not really a COM-port but an internal WinModem mapped to COM4. I think I have to create an instance of the serial handler but don't know how. I have tried:
>> modem: open/lines/no-wait/direct serial://port4/9600/8/none/1
** Access Error: Invalid port spec: port4 ** Near: modem: open/lines/no-wait/direct serial://port4/9600/8/none/1
But maybe I have to define a new instance of the serial handler for com4?
>> probe system/ports/serial
[com1 com2] == [com1 com2]
Could someone explain what I am doing wrong and also explain how schemes and handlers are used, where to find them in the system tree and where to find more information? Best regards, Peter Carlsson