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 Forum index » Advanced Topics » Cutting edge
Puppy on Tablets
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DMcCunney

Joined: 02 Feb 2009
Posts: 897

PostPosted: Wed 07 Apr 2010, 13:57    Post subject:  

Lobster wrote:
Thanks guys - interesting - we need to stay ahead of the hardware loop

One of the most expensive items on netbooks is the screen

Smartpaper webpads may well emerge - monochrome to start
http://en.wikipedia.org/wiki/Electronic_paper
We have a nice monochrome theme ready . . .

eInk displays are the current main choice for dedicated ebook readers like the Amazon Kindle, Sony Reader, and Barnes and Noble nook.

On the plus side, they are extremely power efficient. Once an image is painted on the screen, no power is required to preserve it. Battery life is measured in weeks. They are also easier to read than backlit LCD screens for a number of folks.

On the minus side, they have relatively slow refresh rates (forget video), are monochrome with 16 shade greyscale and resolution about middle of the pack, require an extra layer to be touch screens, and are relatively expensive. (A teardown done by an industry research firm of the Kindle assigned about $80 of the Kindle's cost to the eInk display and controller.)

Pvi, the outfit that was the main manufacturer of eInk screens, claimed to have a 12 bit color prototype in the lab in December 2006 which would go into volume production in 2007. It never happened, so I have to assume that it was either harder than they thought to move from prototype to production, or it simply cost too much for the intended market.

Lack of color support is a deal breaker for me.

Linux already runs on several ebook readers, including the iREx Iliad and the Barnes and Noble nook. It's not clear what Puppy might bring to the party on them.

If I were looking at bringing up Linux on J. Random tablet hardware, frankly, Puppy isn't where I'd start. I'd look at something like Google Android or Nokia's Maemo implementation.
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Lobster
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PostPosted: Thu 08 Apr 2010, 02:13    Post subject:  

Thanks Dennis appreciate the info.

Smile

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jpeps

Joined: 31 May 2008
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PostPosted: Fri 09 Apr 2010, 17:45    Post subject:  

DMcCunney wrote:


On the minus side, they have relatively slow refresh rates (forget video), are monochrome with 16 shade greyscale and resolution about middle of the pack, require an extra layer to be touch screens, and are relatively expensive. (A teardown done by an industry research firm of the Kindle assigned about $80 of the Kindle's cost to the eInk display and controller.)

Pvi, the outfit that was the main manufacturer of eInk screens, claimed to have a 12 bit color prototype in the lab in December 2006 which would go into volume production in 2007. It never happened, so I have to assume that it was either harder than they thought to move from prototype to production, or it simply cost too much for the intended market.

Lack of color support is a deal breaker for me.






Looks like eInk is expanding...hiring researchers in the Cambridge area as ebook sales amp up. Coming up with color technology is their first priority to compete with LCD readers (ipad), and prototypes (eg., Hanvon Company, China) should be available by the beginning of 2011. It's clear that the company is hoping to come up with something better than they already know about......

http://www.xconomy.com/boston/2010/03/15/new-e-ink-leader-sees-colorful-future-for-company-under-taiwans-prime-view-international/4/
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DMcCunney

Joined: 02 Feb 2009
Posts: 897

PostPosted: Fri 09 Apr 2010, 22:12    Post subject:  

jpeps wrote:
DMcCunney wrote:

On the minus side, they have relatively slow refresh rates (forget video), are monochrome with 16 shade greyscale and resolution about middle of the pack, require an extra layer to be touch screens, and are relatively expensive. (A teardown done by an industry research firm of the Kindle assigned about $80 of the Kindle's cost to the eInk display and controller.)

Pvi, the outfit that was the main manufacturer of eInk screens, claimed to have a 12 bit color prototype in the lab in December 2006 which would go into volume production in 2007. It never happened, so I have to assume that it was either harder than they thought to move from prototype to production, or it simply cost too much for the intended market.

Lack of color support is a deal breaker for me.

Looks like eInk is expanding...hiring researchers in the Cambridge area as ebook sales amp up. Coming up with color technology is their first priority to compete with LCD readers (ipad), and prototypes (eg., Hanvon Company, China) should be available by the beginning of 2011. It's clear that the company is hoping to come up with something better than they already know about......

http://www.xconomy.com/boston/2010/03/15/new-e-ink-leader-sees-colorful-future-for-company-under-taiwans-prime-view-international/4/

No surprise. PVI bought eInk a while back, which made me wonder what the future might hold. At one point, the growth of eBook readers was hampered by supply chain constraints, as PVI was the sole source of eInk screens. At the launch of Sony's Reader a couple of years back, eInk's VP of Marketing told me the technology had been licensed to other foundries, and supply chain constraints would not be an issue for things like the Sony Reader.

Then eInk was bought by their largest licensee. I assumed existing licenses of the technologies to other foundries would remain in force, but was curious about what might happen down the road. I'm not sure what direction eInk is going in for color support, though they obviously think hey have something. Other vendors like PixelQi and Plastic Logic are also targeting that space, so it ought to be interesting tio see which approach prevails.

Thanks for the link!
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Lobster
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PostPosted: Sat 10 Apr 2010, 07:43    Post subject:  

I should imagine nanotechnology and other screens will emerge. There is a need for better and cheaper screens and more efficient batteries. Interesting times ahead

http://news.bbc.co.uk/1/hi/programmes/click_online/8606880.stm

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technosaurus


Joined: 18 May 2008
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PostPosted: Sun 18 Apr 2010, 18:07    Post subject:  

Zigbert is already getting ptray ready for the tablets with a popup on screen keyboard based on my howto post here:
http://www.murga-linux.com/puppy/viewtopic.php?t=54534

Edit: no extra libs required for my version

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Lobster
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PostPosted: Mon 31 May 2010, 01:14    Post subject:  

The IPed cometh
http://kotaku.com/5549865/china-rips-off-the-ipad-with-the-iped

Because this type of clone device, if it ever reaches Europe
has an x86 processor it is much closer to what we need

A Puppy ARM is still some way off . . .
Did I mention PAW would be a good potential name for an ARM device

Puppy
ARM
WebOS

Puppy Linux
The Future Penguin

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Aitch


Joined: 04 Apr 2007
Posts: 6825
Location: Chatham, Kent, UK

PostPosted: Mon 31 May 2010, 05:53    Post subject:  

Quote:
Did I mention PAW would be a good potential name for an ARM device


Yes, .....did you forget that Jay already has PAW, Puppy Artists Workshop? [mentioned last time, too]

However I agree that the iPed looks puppyable, if a tad bigger/heavier than an iPad....but at $105 and an intel processor it's doable, though whether we can outdo Android is another matter

Over to the devs, methinks

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Lobster
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PostPosted: Mon 31 May 2010, 11:56    Post subject:  

OK a WAG then

Web
ARM
GUI

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vtpup


Joined: 15 Oct 2008
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PostPosted: Sun 06 Jun 2010, 13:41    Post subject:  

Lobster, et al

I found this and thought you might be interested in it as well -- a description of installing Debian onto an Android based machine. The method sounds familiar, doesn't it?

http://www.saurik.com/id/10

Also I note a lot of low priced (though smaller screen) Iped types at chinagrabber dot com and I'm seriously tempted by one of the $150 Android versions. Would that offer a better chance of pupifying than a Win CE version?
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Lobster
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PostPosted: Mon 07 Jun 2010, 08:19    Post subject:  

vtpup wrote:
I'm seriously tempted by one of the $150 Android versions. Would that offer a better chance of pupifying than a Win CE version?


Having seen Android on a phone - I like it. Many free apps that Apple App Sores sees as further fleecing potential . . .

So Android is good stuff, reasonably priced or free.

Keep an eye on what Puppy developers do
in particular Jemimah, our netbook maestro.
Puppy Masters will tweak their device to run Puppy.

Their choice will be the one to buy into.
Be patient.

Puppy Pad
Live Linux

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vtpup


Joined: 15 Oct 2008
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PostPosted: Mon 07 Jun 2010, 12:20    Post subject:  

Lobster wrote:

Their choice will be the one to buy into.
Be patient.

Puppy Pad
Live Linux


Heh, too late!

Not generally much of an impulse purchaser, but this time I have real need of it now for reference material access while doing some biogas experiments outdoors, and taking notes. Laptop is too big to set down in the grass and not get wrecked or stepped on or kicked or splashed on, or sun burned, keyboard vulnerable to dirt, etc. and needs an extension cord despite the battery life of an hour. Too short. Something I can put in a pocket with 3 hours batt life is what I wanted. Sent for a 7" Apad Android Irocket w/ 600 mhz Rockchip 2808 chipset and usb ports, was less than $200 incl DHL shipping. I'll keep my fingers crossed that someone can fanagle a Linux into it some day, preferably my standby, Puppy. I imagine the chipset will be the hangup, but don't know enough about that level of Linux compatibility. I can still use it as is, but would love to see that puppy face come up on it! woof woof.
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Aitch


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PostPosted: Tue 08 Jun 2010, 17:17    Post subject:  

vtpup

2nd on this list is a Rockchip RK2808 powered Android Tablet - so puppy is possible....

http://www.coolbeta.com/gadget/tablet/

Bet yours beats the indestructible TP600, though.....?

Aitch Smile
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2lss

Joined: 20 Sep 2009
Posts: 225

PostPosted: Wed 09 Jun 2010, 15:30    Post subject:  

check out this guy: http://www.linuxfordevices.com/c/a/News/ARMbased-Linux-tablet-converts-to-netbook/
If I had my choice of netbooks/tablets (even though I love my eeepc) this would be the one.


As far as using puppy on tablets goes, I have been doing some experimenting for a touchscreen computer project using 4.3.1. So far this is what I decided.

For a wm I will be using Matchbox. It's lightweight, easily configurable, and is designed for pda type applications. Granted it lacks the minimize window function, but with a small touchscreen environment it's actually really nifty. It also has a nice on screen keyboard with a panel applet that lets you toggle it on and off.

For a desktop I will probably use jemimah's lxlauncher. It's finger friendly, functional, and visually appealing. The matchbox project has a similar desktop, but I think its slightly more cumbersome.

I'm not sure what panel I will use. Rox's panel is nice but is 'just a panel'. I would really like to use something like avant window navigator, (which is a launcher and a task manager) but as far as I know, it depends on gnome(which I DON'T want). I'm still looking though so I may find something better.

just my $0.02
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jemimah


Joined: 26 Aug 2009
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PostPosted: Wed 09 Jun 2010, 16:10    Post subject:  

It appears Cairo Dock has no Gnome deps. You only need GLX and compositing support.

http://www.glx-dock.org/

http://packages.debian.org/sid/cairo-dock-core
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