Re: Modem Port
Re: Modem Port
- Subject: Re: Modem Port
- From: Roger Smith <email@hidden>
- Date: Thu, 14 Mar 2002 09:49:58 -0800
This is specifically a MacOS 9 discussion. This does not apply to X
or even classic . I though you were looking for specific info on how
to "uniquely" identify the Internal modem port.
Roger
At 4:28 PM +0000 3/14/02, email@hidden wrote:
Hi,
I thought leapIn and leapOut wouldn't even be the names
in Mac OS X? I think counting on leapIn/leapOut is not
very robust.
In my software, SoftTTY (TTY for the Mac), I want to
ignore any Infrared ports when auto-configuring. What I
do is filter serial ports with "irda" or "infrared" in
the name (not the "." driver name or bsd path). This is
good at eliminating most infrared ports and doesn't
exclude any non-infrared ports.
Adam
.LeapIn and .LeapOut would get you the internal modem on all
machines which Apple says is capable of running MacOS X (this entry
is only present if the modem is available) , it won't work for
earlier machines such as the first powerbook g3, or the beige g3
tower with 2 serial ports.
In any event you should always open .aIn and .aOut (just drop in
to Macsbug and type drvr to get the correct case...) since
.LeapIn/.LeapOut is patched into the driver open call and will work
properly on a machine where .aIn really points to the modem.
Roger
At 3:16 PM +0000 3/14/02, Quinn wrote:
>At 18:28 -0800 13/3/02, Morgan Redman wrote:
>>I remember a while back, I got help with how to identify which serial port
>>was actually an IrDA port. ( by identifying the serial port with
>>input/output drivers named ".IrIn" / ".IrOut"
>>
>>Now I need to know how to identify which serial port is the
Internal Modem.
>>
>>the input / output driver name for the Internal Modem on my machine is
>>".LeapIn" / ".LeapOut"
>>is this constant on all macs?
>
>Testing for these driver names is about as reliable as testing for
>".IrIn"/".IrOut". We've never documented that this technique will
>work, but it's the best solution I know of.
>
>S+E
>--
>Quinn "The Eskimo!" <http://www.apple.com/developer/>
>Apple Developer Technical Support * Networking, Communications, Hardware
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