[mythtv-users] Serial DCT Control (dct2224/dct2524)

Ian Forde ian at duckland.org
Sun Dec 18 18:27:59 EST 2005

On Sun, 2005-12-18 at 15:45 -0700, Chris wrote:
> I've been trying for some time now to get serial channel changing
> working, hopefully someone here can provide me with some insight into
> the whole problem.
> I've got the following:
> 2x Motorola DCT-2224, firmware version: 7.93
> 1x Motorola DCT-2524, firmware version: 2.54
> I've tried a few different scripts to just try and change the channel
> for now, none of which seem to work. When I connect the serial port of a
> windows box to these DCTs, hitting enter results in gibberish coming
> back from the DCT, followed by the f/w version. I assume this is some
> sort of menu prompt (VxWorks?), the reason I assume this is because when
> I go through the alphabet on the 2524, different keys produce different
> outputs. Seeing as I get gibberish from all three is it safe to assume
> that their serial ports are enabled?
> When I run the serial cable from the FC4 box to the windows box and run
> the python scripts, I do get output over in Hyperterm, so it looks like
> I'm sending the data out.
> I remember reading in one of the python scripts that it wanted v2.2, but
> on my new FC4 box, I have python 2.4 installed, should this be an issue?

Mmm... Just took a look at it - I haven't used (or even looked at) the
code in a while.  Python 2.4 is definitely going to be a problem, IMHO.
I remember having issues with Python 2.3 as well... Best bet is to use
the C code in contrib/ instead...

> I seem to be able to get everything else working except serial channel
> changing, so hopefully someone will be able to help me out.
> Thanks,
> -Chris
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