Linux HAM/Amateur Radio development
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From: Erik Jakobsen <erik_ja@mail.tele.dk>
To: Dave Platt <dplatt@radagast.org>
Cc: linux-hams@vger.kernel.org
Subject: Re: gMFSK ?
Date: Wed, 09 Jul 2008 08:38:19 +0200	[thread overview]
Message-ID: <48745CDB.8030009@mail.tele.dk> (raw)
In-Reply-To: <courier.4874558A.00001E9A@radagast.org>

Dave Platt wrote:
>
> I found that I was having problems a few years ago with a Kenwood
> TS-2000 under similar circumstances.  rigctl seemed to work OK, but
> hamlib-equipped applications couldn't read out or control the
> frequencies or modes.
>
> The problem turned out to be one of command turnaround time.  The
> TS-2000 requires some amount of "quiet time" after the port has been
> opened, and after it has sent the response to a command, before it's
> ready to receive / recognize / act on the next command.
>
> When you run rigctl, human reaction time and typing speed limitations
> provide far more than the required time.  When you run hamlib-equipped
> software, it will often issue commands with little or no delay
> between, and this tends to overwhelm the rig's microprocessor.  The
> net result is that commands are not recognized properly by the rig,
> and either elicit no response at all or a "Hunh?  Say what?" error of
> some sort.
>
> My recollection is that there is a usable workaround.  The rig
> definition tables in the hamlib drivers have a "post_write_delay"
> value which can be set to a suitable number of milliseconds, to slow
> down the software's issuing of back-to-back commands.
>
> I set the TS-2000 post-write delay to 50 milliseconds, and it made a
> world of difference.
>
> You may need to download the Hamlib source code, tweak the driver for
> the rig to include a suitable amount of delay, and rebuild the
> libraries.  If this fixes your problem, please submit a patch to the
> Hamlib maintainers so that it can be incorporated into the next release.
>
>
>   
Many tnx Dave for your fast reply :-)

I use openSUSE 11.0 and would uninstall hamlib.
Then there was nothing to do but also let fldigi leave its install.

After I installed hamlib, and the after again I would install the fldigi 
rpm again.
But it would also install the hamlib rpm.

Then I downloaded the fldigi tarball.

But it tells me:

# ./configure
checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking for g++... no
checking for c++... no
checking for gpp... no
checking for aCC... no
checking for CC... no
checking for cxx... no
checking for cc++... no
checking for cl.exe... no
checking for FCC... no
checking for KCC... no
checking for RCC... no
checking for xlC_r... no
checking for xlC... no
checking for C++ compiler default output file name...
configure: error: C++ compiler cannot create executables
See `config.log' for more details.

What am I to do now

Erik OZ4KK

  reply	other threads:[~2008-07-09  6:38 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-08 19:55 gMFSK ? Erik Jakobsen
2008-07-08 21:34 ` Nate Bargmann
2008-07-09  5:40   ` Erik Jakobsen
2008-07-09  6:07     ` Dave Platt
2008-07-09  6:38       ` Erik Jakobsen [this message]
2008-07-09 10:31         ` Erik Jakobsen
2008-07-09 11:05           ` Nate Bargmann
2008-07-09 14:37             ` Erik Jakobsen

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