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Re: Serial port access (was: Can outsiders get simple questions answered?)
- To: tjump at cais dot com, gnu-win32 at cygnus dot com
- Subject: Re: Serial port access (was: Can outsiders get simple questions answered?)
- From: Dan Hensley <dan dot hensley at sdrc dot com>
- Date: Mon, 28 Dec 1998 12:52:56 -0700
- Organization: SDRC
- References: <367F31DC.B8E71A57@sdrc.com> <367fa89e.9399937@janus>
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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