From:	dan DOT hensley AT sdrc DOT com (Dan Hensley)
Subject:	Re: Serial port access (was: Can outsiders get simple questions
	answered?)
28 Dec 1998 16:16:56 -0800 :
Message-ID:	<3687E198.5D65286A.cygnus.gnu-win32@sdrc.com>
References:	<367F31DC DOT B8E71A57 AT sdrc DOT com>
Mime-Version:	1.0
To:	tjump AT cais DOT com, gnu-win32 AT cygnus DOT com

Ted,


> I have some mount points, that I setup in the registry manually, for hitting
> the serial and parallel ports, but I haven't done much with them yet.
>
> To set them up, a registry init file with contents similar to this:
>
> ;; begin registry file "CYGSERIAL2.REG"
>
> REGEDIT4
>
> [HKEY_CURRENT_USER\Software\Cygnus Solutions\CYGWIN.DLL setup\b15.0\mounts\06]
> "native"="\\\\.\\COM2"
> "unix"="/dev/serial2"
> "fbinary"=dword:00000001
> "fsilent"=dword:00000000
>
> ;; end registry file
>
> may be used.  This particular example creates a virtual device '/dev/serial2'
> which let's me (at least) send bits to the COM2: port.

    I did as you suggested (replacing COM2 with COM1, since that's the port I'm
trying to use).  This worked no problem, and entering a "mount" in cygwin showed
that indeed this mount point was set.  However, when I try to open the COM port
using open(), my session hangs, and the only way out of it is to kill the bash
window.  Any idea what's happening here?  Incidentally, I tried the sample program
you sent me with the same results...
    I'm running b20.1 on NT4sp4.

Dan

--
Dan Hensley
Engineer - SDRC Operations (ATA)
Denver, CO        W:303/464-7049
http://www.sdrc.com/



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