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Topic: Using DSL for an LCD Picture-Frame project< Next Oldest | Next Newest >
beakmyn Offline





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Posted: Nov. 06 2004,15:12 QUOTE

Because of the ps/2 port on the back, I may remove the keyboard and touchpad all together. Although it will still fit in the frame with it attached. Luckily the LCD 'cable' (conductive flat strip of plastic) is long enough and flexible enough to wrap around, in the current configuration. But be warned these cables had a tendency to break and it's near impossible to solder to these. I spent 16 hours doing it with wirewrap wire (28 ga?) it worked but it wasn't pretty, there was something like 20+ conductive traces I had to reroute.

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Have you seen my Damn Small Digital Picture frame?
http://www.frontiernet.net/~pictureframe
http://rapidshare.com/files/27769266/pframedsl.iso.html
http://www.joyceandkevin.com/dslpictureframe/pframedsl.rar
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cgp3389 Offline





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Posted: Nov. 07 2004,19:03 QUOTE

Well, here's an update for me.  I am time constrained and as I said in my original post, I am a real newb when it comes to Linux.  I wanted to use this as a learning experience but from what I am reading here, I have too much to learn and not enough time.  I could probably follow what you guys are doing if I sat in front of it and followed allong but I would not have the background knowledge of Linux and would not understand what I am doing.  I need to fully understand what I am doing before I do it.  So I will continue my Linux education with easier things first.

With that said; I decided to fall back on my DOS knowledge and complete this project.  I am at the point where I have completely disassembled the laptop and I am building a frame for it.  I will throw together some pictures and pages and will post a link to this thread at some point if there is any interest.

Here is what I've done so far:

Found some Displaying Software on the web written years ago by a student at a school in Taiwan.  It's pretty old but he had a DOS driver program that would run the 2MB S3 video of the laptop.  Also, his program would do image conversion and display tons of different formats incuding movies and it would run sound (not using sound for my frame)

I downloaded FreeDOS (www.freedos.org) for the OS.

Built my autoexec.bat and config.sys files to load up the drivers for the CD-ROM, switch to that drive, load the display driver and run a batch file that starts the show.

I had used Adobe Photoshop Album to batch scale all 700 slides down to a size that would work on the 800x600 panel. They are 16bit color and still jpeg compressed but that guys program handles them just fine.

Took about an hour to create and test the batch files.  I used a diskette to simulate the boot sector and the laptops hard drive to simulate the CD-ROM.

Burned a CD using the diskette as the boot sector and the hard drive contents as the data portion.

Removed the hard drive from the laptop and ran it with only a CD-ROM drive.  I want this to have as few moving parts as possible so that it is quiet and more reliable.

From there I just started removing stuff from the laptop and tested it each time I removed something.  It's now out of the case and down to 16MB (built in to the mainboard) I removed the keyboard, soundcard, hard drive, pcmcia slots..  a bunch of other parts.  It still starts with no errors and runs the show.  

Interesting thing I discovered about this laptop is that when there is no battery in it, it will power itself on when you plug it in to the AC.  This means I don't have to get creative with the laptops power buttons, a simple on/off rocker-switch connected to the AC line is all I will need.

I decided to forget about remote access to it for a couple reasons. 1.) My parents probably wouldn't use the feature. 2.) would require a network cable or wireless network... 3.) I am going to give my parents a DVD with the original high-res slides anyway in case they want to print any of them.  
I am also leaving the cd-rom drive door accessible so that the CD can be taken out.

So in summary:  It was no challenge and less fun doing this with DOS, but it works.
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beakmyn Offline





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Posted: Nov. 08 2004,13:09 QUOTE

Cool. The linux version wouldn't have been that difficult, maybe next time around. The only downside I see is that if you want to add pictures you have to remaster a new CD, no big deal and if you find a better way to do something then you just send your parents a new CD. Then again your boot time is probably alot faster then mine.

[edit]
I should have the write-up down in the next couple days. I'm going to post it on my webspace and link it here. I'm hoping to be able to pull laptop apart tonight and get it installed.


--------------
Have you seen my Damn Small Digital Picture frame?
http://www.frontiernet.net/~pictureframe
http://rapidshare.com/files/27769266/pframedsl.iso.html
http://www.joyceandkevin.com/dslpictureframe/pframedsl.rar
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beakmyn Offline





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Joined: Sep. 2004
Posted: Nov. 11 2004,20:22 QUOTE

Ok so here's Work in Progress

I'm still testing out methods of making it "Shutdown ErroProof"

I've had no luck making the filesystem readonly so now I'm working on making ext3 instead.


--------------
Have you seen my Damn Small Digital Picture frame?
http://www.frontiernet.net/~pictureframe
http://rapidshare.com/files/27769266/pframedsl.iso.html
http://www.joyceandkevin.com/dslpictureframe/pframedsl.rar
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AwPhuch Offline





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Joined: April 2004
Posted: Nov. 11 2004,20:41 QUOTE

Quote (beakmyn @ Nov. 11 2004,15:22)
Ok so here's Work in Progress

I'm still testing out methods of making it "Shutdown ErroProof"

I've had no luck making the filesystem readonly so now I'm working on making ext3 instead.

Hey bud!! http://www.frontiernet.net/~beakmyn/pictureframe/ the picures at the bottom dont work...I really wanted to see it in action man!!

Brian
AwPhuch


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http://www.frappr.com/dsl <-- Where do you use DSL?
http://www.smoothwall.org <-- Ultimate firewall for the world!
http://boinc.mundayweb.com/one/stats.php/userID:6107 <--My BOINC stats!
./S99LinuxRevolution start
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32 replies since Oct. 11 2004,20:21 < Next Oldest | Next Newest >

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