need modem control lines info
Warren Tucker
wht at n4hgf.Mt-Park.GA.US
Tue Nov 20 13:58:33 AEST 1990
In article <1990Nov19.151422.3584 at bagend.uucp> jan at bagend.uucp (Jan Isley) writes:
>
>I need some information on controling and determining the status of
>modem control lines with SCO SYSV/386. More precisely, I need to:
>
>1. Set DTR on.
open the tty line
>2. Set DTR off.
close the line
This is the only way to manipulate the DTR line.
>3. Set RTS on.
>4. Set RTS off.
These are not directly manipulable.
>5. Determine the state of CD.
>6. Determine the state of CTS.
These are not readable.
You could accomplish these goals by hacking a "public source" driver
such as FAS, but the standard driver, as is true with all standard
System V and BSD drivers, ye are lost.
--------------------------------------------------------------------
Warren Tucker, TuckerWare emory!n4hgf!wht or wht at n4hgf.Mt-Park.GA.US
ANSI C should have been named D, or Son of C
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