[mythtv] Re: MythLCD Channel Info

Paul Woodward paul_woodward at fastnet.co.uk
Wed Feb 18 06:50:01 EST 2004 

Are you driving a graphical or text VFD?

I have some experience driving graphical LCDs at a low level so I might look into this (when I stop having to work silly hours) if people are interested...

Anyone know a good/relatively cheap source of graphical VFDs in the UK or USA?

Paul

> 
> 
> No problem, already busy trying to get it to work again.
> 
> And you can forget about changing displays because the Noritake VFD
> rocks! :-)
> I've built my MythTV box in the case of an old CD player and with the
> VFD display it looks just like a normal part of my HiFI equipment. The
> only downside of those VFDs is their price, they're quite expensive
> unfortunately.
> 
> BTW: It's a pity that lcdproc doesn't handle font sizes because it would
> be nice to have the currently selected channel or the name of the
> currently playing movie/music file on the display in a large font.
> 
> -Tako
> 
> 
> > -----Original Message-----
> > From: mythtv-dev-bounces at mythtv.org
> > [mailto:mythtv-dev-bounces at mythtv.org] On Behalf Of DanM
> > Sent: woensdag 18 februari 2004 2:38
> > To: Development of mythtv
> > Subject: RE: [mythtv] Re: MythLCD Channel Info
> >
> >
> > Tako, sorry I haven't had time to look at things yet.  Had to
> > rebuild my
> > ir receiver over the weekend, then get mythgame working.  A man has to
> > have priorities :-)  I think the only real way to make it work for you
> > honestly is to get the 0.4.4 driver to work, or get a
> > different lcd device
> > :-)  I like the cwlinux one :-)
> >
> > -dan
> >
> > On Tue, 17 Feb 2004, Tako Schotanus wrote:
> >
> > >
> > > Hi Dan,
> > >
> > > had any time to look into the problem yet?
> > >
> > > Yesterday I started again to try to make it work for 0.4.4 and at at
> > > least I've gotten to the point that everything compiles again, but
> > > unfortunately it doesn't work anymore right now ;-)
> > > I'm just hoping that getting it to work for 0.4.4 will at
> > least solve
> > > all the problems I had with MythTV thinking that it will probably be
> > > easier to fix the driver than to change MythTV to support
> > 0.4.4 AND 0.5.
> > >
> > > Cheers,
> > >  -Tako
> > >
> > >
> > > > -----Original Message-----
> > > > From: mythtv-dev-bounces at mythtv.org
> > > > [mailto:mythtv-dev-bounces at mythtv.org] On Behalf Of dan
> > > > Sent: donderdag 12 februari 2004 18:02
> > > > To: mythtv-dev at mythtv.org
> > > > Subject: Re: [mythtv] Re: MythLCD Channel Info
> > > >
> > > >
> > > >
> > > > Tako, sorry it's taken me so long to get back to you.  I
> > > > compiled lcdproc
> > > > 0.4.4 at the house. After whacking at my driver (CwLnx) to
> > > > make it pass back
> > > > all key presses I got to looking at the issues your having.
> > > > "output 0" is
> > > > normal.  I don't see the page late issues your seeing, but I
> > > > did see the issue
> > > > another poster raised re: the playlist being displayed wrong
> > > > on the display.
> > > > I believe some of the tree widgets got changed.  I'll look at
> > > > that this
> > > > weekend.
> > > >
> > > > -dan
> > > >
> > > >
> > > > >Tako Schotanus (quintesse at palacio-cristal.com) wrote:
> > > > >
> > > > >Dan, the messages happen appear only in the beginning.
> > > > >I can also see that the driver does not get passed any
> > > > information (only
> > > > >empty screens).
> > > > >The only pages that seem to do enything are:
> > > > >- the myth music menu
> > > > >- the music play screen
> > > > >- the myth video menu
> > > > >
> > > > >but.... and this is the strange thing... always a page
> > > > "late"! So in the
> > > > >music play screen I'll see the menu and if I escape from the
> > > > play screen
> > > > >I get the last song that played. Weird :-)
> > > > >
> > > > >But I think the the "output 0" could have something to do
> > > > with it yes
> > > > >because the VFD doesn't support all of the things an LCD
> > > > does (there's
> > > > >no concept of contrast for example). So it might be that
> > the driver
> > > > >returns 0 somewhere it shouldn't. I'll look into it.
> > > > >
> > > > >Cheers,
> > > > > -Tako
> > > > >
> > > > >
> > > > >dan wrote:
> > > > >
> > > > >>Tako, it looks like the time widget works properly.  The
> > > > output you sent, is
> > > > >>that from when it first starts, or in the middle?  I can't
> > > > tell, but it
> > > > looks
> > > > >>like this is happening after the widgets get built.  It
> > looks like
> > > > everything
> > > > >>thats getting sent to lcdproc isn't getting echo'd here.
> > > > Oh wait, I bet it
> > > > >>doesn't understand output 0.  I don't have access to my box
> > > > right now, or to
> > > > >>the docs, but I don't believe there is a "output" command
> > > > for lcdproc.
> > > > Thor,
> > > > >>care to chime in?
> > > > >>
> > > > >>Look for where/why/how "output 0" is getting sent.  I bet
> > > > thats the problem.
> > > > >>
> > > > >>-dan
> > > > >>
> > > > >>
> > > > >>
> > > > >>
> > > > >>>Tako Schotanus (quintesse at palacio-cristal.com) wrote:
> > > > >>>
> > > > >>>Hi Dan,
> > > > >>>
> > > > >>>here is (part of) the output I'm getting, it does seem to
> > > > have to do
> > > > >>>with the time widget yes.
> > > > >>>After a couple of seconds the display turns itself off
> > > > abruptly and I
> > > > >>>have the feeling that's just about the moment when the
> > > > errors disappear
> > > > >>>as well.
> > > > >>>I'll try turning up the debug level on the LCDd to see if
> > > > it tries to
> > > > >>>use any features that the driver doesn't support.
> > > > >>>
> > > > >>>Cheers,
> > > > >>>-Tako
> > > > >>>
> > > > >>>
> > > > >>>lcddevice: Sending to Server: screen_set Menu priority 255
> > > > >>>lcddevice: Sending to Server: screen_set Time priority 254
> > > > >>>lcddevice: Sending to Server: widget_set Time timeWidget
> > > > 13 3 "7:46 pm"
> > > > >>>lcddevice: Sending to Server: output 0
> > > > >>>
> > > > >>>lcddevice: The server is 30x4 with each cell being 5x8
> > > > >>>lcddevice: Received from server: huh?  Invalid widget id
> > > > >>>lcddevice: WARNING: Something is getting passed to LCDd
> > > > that it doesn't
> > > > >>>understa
> > > > >>>nd
> > > > >>>last command: output 0
> > > > >>>
> > > > >>>
> > > > >>>
> > > > >>>
> > > > >
> > > > >
> > > > >_______________________________________________
> > > > >mythtv-dev mailing list
> > > > >mythtv-dev at mythtv.org
> > > > >http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev
> > > > >
> > > >
> > >
> > >
> >
> >
> 
> 
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