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Re: 4.41 inch ePaper Display for the rPi

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Dom <domafp@blueyonder.co.uk> wrote:
> On 30/07/15 10:23, cl@isbd.net wrote:
> > rickman <gnuarm@gmail.com> wrote:
> >> On 7/29/2015 4:21 PM, cl@isbd.net wrote:
> >>> rickman <gnuarm@gmail.com> wrote:
> >>>> On 7/29/2015 5:26 AM, cl@isbd.net wrote:
> >>>>> rickman <gnuarm@gmail.com> wrote:
> >>>>>> On 7/28/2015 10:02 AM, cl@isbd.net wrote:
> >>>>>>> rickman <gnuarm@gmail.com> wrote:
> >>>>>>>>>
> >>>>>>>>> LK8000, which I prefer, is probably heading for the RPi but may also
> >>>>>>>>> appear on Android.
> >>>>>>>>
> >>>>>>>> Again, I'm not following.  If you have an Andriod app, how does that get
> >>>>>>>> an ePaper display?
> >>>>>>>>
> >>>>>>> It's quite possible to get an Android device with an ePaper display, I
> >>>>>>> have one and it's pretty good at what it does.
> >>>>>>>
> >>>>>>> Take a look at the Icarus readers, the E653 in particular.
> >>>>>>
> >>>>>> How fast does it redraw the screen?
> >>>>>>
> >>>>> My guess would be somewhat less than 1 second though that's only
> >>>>> subjective.  It does produce some strange effects with standard
> >>>>> Android app animations but it mostly works pretty well.
> >>>>
> >>>> That is an e-paper display for sure then.  I'm surprised they included
> >>>> this display in anything other than a book reader.  So much of what a
> >>>> tablet or PDA does requires faster drawing times.
> >>>>
> >>>> Wait until you try to use it in cold weather.  They slow down a *lot*.
> >>>>
> >>> I'm rather unlikely to use it in the cold! :-)
> >>>
> >>> It's promoted mainly as an e-reader but with the advantage of being
> >>> much more 'open' than the proprietary Kindle etc.  I bought it for its
> >>> openness, it means I can read Amazon Kindle books *and* ePub books
> >>> from my public library (and for that matter other proprietary formats).
> >>
> >> I assume you can also run your own code on it?  I've never been clear on
> >> just how open Android devices really are.  I don't have one of my own,
> >> but maybe it is only the Android cell phones that aren't very open.
> >>
> > You'd have to root it, as delivered Android isn't open like a Linux
> > installation.  Android on a tablet is near enough the same as Android
> > on a smartphone, one of its advantages in a way.
> 
> I run my own app on my Android phone. I compile the .apk file on my 
> Linux PC using ant and then upload to the USB connected phone using adb.
> 
> The phone needs to have the developer options enabled, but that is a 
> simple option and doesn't "root" Android in any way.
> 
Yes, you're both quite right of course.  It's easy enough to install
an app you have written yourself on an unrooted Android device.  I was
rather thinking of doing the development on Android in the same way I
develop on Linux.

-- 
Chris Green
·

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Re: 4.41 inch ePaper Display for the rPi Martin Gregorie <martin@address-in-sig.invalid> - 2015-06-18 22:39 +0000
  Re: 4.41 inch ePaper Display for the rPi Martin Gregorie <martin@address-in-sig.invalid> - 2015-06-19 19:10 +0000
    Re: 4.41 inch ePaper Display for the rPi rickman <gnuarm@gmail.com> - 2015-06-19 15:34 -0400
      Re: 4.41 inch ePaper Display for the rPi Martin Gregorie <martin@address-in-sig.invalid> - 2015-06-19 20:36 +0000
        Re: 4.41 inch ePaper Display for the rPi Martin Gregorie <martin@address-in-sig.invalid> - 2015-06-19 23:22 +0000
        Re: 4.41 inch ePaper Display for the rPi Martin Gregorie <martin@address-in-sig.invalid> - 2015-06-19 23:58 +0000
          Re: 4.41 inch ePaper Display for the rPi hamilton <hamilton@nothere.com> - 2015-06-19 18:25 -0600
          Re: 4.41 inch ePaper Display for the rPi rickman <gnuarm@gmail.com> - 2015-06-19 22:44 -0400
            Re: 4.41 inch ePaper Display for the rPi rickman <gnuarm@gmail.com> - 2015-06-20 13:29 -0400
        Re: 4.41 inch ePaper Display for the rPi cl@isbd.net - 2015-07-29 10:26 +0100
          Re: 4.41 inch ePaper Display for the rPi cl@isbd.net - 2015-07-29 21:21 +0100
            Re: 4.41 inch ePaper Display for the rPi rickman <gnuarm@gmail.com> - 2015-07-29 17:18 -0400
              Re: 4.41 inch ePaper Display for the rPi cl@isbd.net - 2015-07-30 10:23 +0100
                Re: 4.41 inch ePaper Display for the rPi Rob <nomail@example.com> - 2015-07-30 11:14 +0000
                Re: 4.41 inch ePaper Display for the rPi Dom <domafp@blueyonder.co.uk> - 2015-07-30 12:55 +0100
                Re: 4.41 inch ePaper Display for the rPi cl@isbd.net - 2015-07-30 13:15 +0100
  Re: 4.41 inch ePaper Display for the rPi Theo Markettos <theom+news@chiark.greenend.org.uk> - 2015-06-19 20:27 +0100
    Re: 4.41 inch ePaper Display for the rPi rickman <gnuarm@gmail.com> - 2015-06-19 15:57 -0400
  Re: 4.41 inch ePaper Display for the rPi Martin Gregorie <martin@address-in-sig.invalid> - 2015-06-19 19:31 +0000

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