plustek: It's alive! (was: Re: Epson 1250)
Subject:
Re: It's alive! (was: Re: Epson 1250)
From:
Gene Heskett ####@####.####
Date:
21 Dec 2001 02:47:45 -0000
Message-Id: <20011221024603712.AAA3641@mail.iolinc.net@there>
On Thursday 20 December 2001 05:04 pm, Jaeger, Gerhard wrote:
>Hi,
>
>this is not only a wild guess, the UMAX 3400 and 5400 are also
>LM983x based devices and it is known that they use one
>of the misc I/O pins. It seems, that this is the better way to
> keep the lamps up during the reset phase of the chip which is
> often done during the calibration. The sideeffect here on
> Plustek devices which use the reg29 is, that the lamp is very
> often switched on and off...
>
>Anyway - good work. This may help to make the stuff work with
>the EPSON...
>
>Gerhard
>
>On Thursday, 20. December 2001 18:44, Reinhard Max wrote:
>> Hallo again,
>>
>> On Thu, 20 Dec 2001 at 17:59, Reinhard Max wrote:
>> > I still have to figure out which of the lines it is,
>>
>> The lamp seems to be controlled only by misc I/O pin 5.
>> It doesn't turn off when reg 29 is set to 0.
>>
>> > and I still haven't tested scanning.
>>
>> This is unfortunately not yet working. The image that comes
>> out is till black (or grey if the brightness is being raised),
>> and sometimes shows dotted diagonal lines.
I haven't gotten the noise lines here, I'm all black, when doing
a preview, and either can't open device nil. or out of memory
when I try a real scan instead of a preview, this after setting
that register to 0x9b, but it did bring the lamp up, till I
unplug it to reset it. So this is going to need some cleanup
code in the exit routine.
>> I have to stop for today now. Hopefully I can continue
>> somewhat during my Christmas vacations.
I hope so too, its been so real around here I've not had more
than an hour or so to play with it most evenings. I'd sent some
email to epson support inquiring about an updated Software
Development Guide, but as usual, no answer. Would it be better
to get in/on plustek's own development list? Assuming there is
such a thing...
--
Cheers, Gene
