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000295_news@columbia.edu _Fri Feb 21 11:17:19 1997.msg
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From: Duane Christensen <dlchri2@mas-co1.uswc.uswest.com>
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Problem with dialing on a USRobotics (long)
Date: Fri, 21 Feb 1997 09:54:21 -0600
Organization: PDS
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CC: fdc@watsun.cc.columbia.edu, dlchri2@mnet.uswest.uswc.com
Xref: news.columbia.edu comp.protocols.kermit.misc:6634
: I am running: C-Kermit 6.0.192, 6 Sep 96, for HP-UX 9.0
: with a US Robotics Courier V.Everything(TM) modem and the
: modem set to usrobotics on a HP-UX 9000/891 A.09.04 (T500)
: machine.
:
: After a soft reboot of the machine the modem fails to
: recognize the Hangup-command string of ATQ0HO, and then
: fails to recognize the Init-string.
I have found from various hints and experimenting that my
script will work if I have the following somewhere towards
the top:
! stty crts < /dev/tty0p1
I have tried the 'set flow-control' command in C-kermit to
accomplish the same thing, but it does not appear to work.
I also been told the following by Graham Jolley via Frank
da Cruz:
I'm having problems getting a multi-platform TTY application to
work on an HP-UX 10.20 box in the same way as on Solaris 2.x,
AIX and HP-UX 9.07. Any advice would be appreciated :
....
2) When I use cfsetispeed() to set an input speed both 9.07 and
10.20 appear to set some high order bits in the c_cflags
termios variable (that is at the other end to where the
CBAUD bits are located). Of couse I also call cfsetospeed()
to select the same output speed. The problem is that only
HP-UX 9.07 correctly sets these same high-order bits when
I request the new settings to check everything was set as
requested. My code complains that my request didn't succeed
(because the new c_cflag doesn't exactly match the value
requested by tcsetattr()). OK I could just remove the test
but I thought that tcsetattr() is just required to do its
best, and an application should check all requested changes
have been performed. As I previosly stated HP-UX 9.07 DOES
correctly set these undocumented bits.
I took this to mean that there is a problem with HP-UX and setting
communication parameters.
The system administrator and I went through a problems/resolutions
database in this area and saw nothing directly relating to my
problem.
I would like to take this time to also thank Frank da Cruz for the
help that he gave me, and in general the help he provides in this
newsgroup.
- Duane Christensen