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[Lcdproc] HD44780 Install Issue


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  • From: brianplatt at hotmail.com (Brian Platt)
  • Subject: [Lcdproc] HD44780 Install Issue
  • Date: Wed, 11 Aug 2010 13:12:35 +0100


> Date: Wed, 11 Aug 2010 11:29:33 +0200
> Subject: Re: [Lcdproc] HD44780 Install Issue
> From: bjoern.meier at googlemail.com
> To: brianplatt at hotmail.com
> CC: lcdproc at lists.omnipotent.net
>
> Hi,
>
> 2010/8/11 Brian Platt <brianplatt at hotmail.com>:
> >> Date: Tue, 10 Aug 2010 19:59:09 +0200
> >> From: bjoern.meier at googlemail.com
> >> To: lcdproc at lists.omnipotent.net
> >> Subject: Re: [Lcdproc] HD44780 Install Issue
> >>
> >> hi,
> >>
> >> 2010/8/10 Jannis Achstetter <kripton at kripserver.net>:
> >> > -----BEGIN PGP SIGNED MESSAGE-----
> >> > Hash: SHA1
> >> >
> >> > Hi Brian,
> >> >
> >> >> Hi all i'm having a problem with installing i'm hoping someone can
> >> >> help
> >> >> me with.
> >> >
> >> >> Modprobe hd44780
> >> >> FATAL: Module hd44780 not found.
> >> >> [...]
> >> >> [43095874.680000] usb 3-1: new low speed USB device using ohci_hcd and
> >> >> [...]
> >> >> do I need LCD2USB?
> >> >> I downloaded it and did a 'make' on the testapp but got
> >> >
> >> > That all depends on how the LCD is connected to your computer. The
> >> > HD44780-controller uses a parallel interface to communicate with its
> >> > host. You could attach it directly to your PC's parallel(printer)-port
> >> > for example. In this case you don't need a kernel module since lcdproc
> >> > uses the parallel-port directly.
> >> >
> >> > In your case it seems that the LCD is connected via USB so lcdproc's
> >> > hd44780-driver is not suitable for you. Honestly I do not know the
> >> > USB-2-HD44780 bridge chip you are using. Can you give us more
> >> > information/details about the products you have bought?
> >>
> >>
> >> Just to mention: I use the same bridge and I'm very interested in this
> >> topic, because my HD44780 didn't work ether. So I could anything else
> >> bring on, I'll do my best.
> >>
> >> Greetings,
> >> Bj?rn
> >> _______________________________________________
> >> LCDproc mailing list
> >> LCDproc at lists.omnipotent.net
> >> http://lists.omnipotent.net/mailman/listinfo/lcdproc
> >
> > After much bashing I managed to get it detected
> >
> > [43112873.190000] usb 1-2.2: new low speed USB device using ehci_hcd and
> > address 26
> > [43112873.420000] usb 1-2.2: configuration #1 chosen from 1 choice
> > [43112873.430000] usb 1-2.2: New USB device found, idVendor=0403,
> > idProduct=c630
> > [43112873.440000] usb 1-2.2: New USB device strings: Mfr=1, Product=2,
> > SerialNumber=0
> > [43112873.450000] usb 1-2.2: Product: LCD2USB
> >
> > Even though it's HD44780 based it needs to use the LCD2USB driver so i've
> > installed LCD4LINUX and now playing with that
> >
>
> How did you manage that?

I was using a USB header cable initially and for what ever reason it wasn't
picked up, it also has an onboard mini usb port which I tried and it got
detected properly.

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