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[Lcdproc] HD44780 Install Issue


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  • From: bjoern.meier at googlemail.com (Bjoern Meier)
  • Subject: [Lcdproc] HD44780 Install Issue
  • Date: Thu, 12 Aug 2010 00:08:28 +0200

hi,

2010/8/11 Brian Platt <brianplatt at hotmail.com>:
>> 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.
>

I only have this USB Header cable. The Kernel doesn't recognize this
LCD2USB and I have no mini USB on Board. What else I could try?




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