[Community] low power display - Re: Community Digest, Vol 44, Issue 3

myself myself at inbox.com
Mon Jan 4 09:40:45 CET 2016


I would like to have a device with something like a Pixel Qi display.
The user can choose between color (back-lit) or grey (sun-readable).
I have seen, tested and enjoyed this only in the OLPC so far.

http://liliputing.com/2015/01/pixel-qi-dead-low-power-displays-not.html

...

On 04/01/16 18:27, community-request at openphoenux.org wrote:
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> Today's Topics:
>
>    1. Re: New cell phone design wanted? (David Heath)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 4 Jan 2016 00:28:11 -0500
> From: David Heath <dheath.pr at gmail.com>
> To: community at openphoenux.org
> Subject: Re: [Community] New cell phone design wanted?
> Message-ID:
> 	<CACqq_n3aMs2dZwDhnLSLnGfCTmRM3vAeT2HT32FySkMgz1nX-A at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Open, secure, and accessible to non-programmers are my ideals. Good
> hardware isolation is a popular topic but I don't quite know enough to
> discuss it technically. I think the main considerations there are the
> modem's access to system memory and system control over modem/microphone
> power for privacy reasons (and possibly to reduce power consumption).
> Compatibility with various OS distributions is important but I think
> Replicant is a priority; hopefully they will be building in line with
> Android 6.0 and can support Play Store apps with system based permissions
> (correct me if I'm wrong about this). I think the Motorola Droid Turbo, the
> original one, is a good design in terms of feature set-- very long battery
> life, durable, and simple/logical controls. There are plenty of issues I
> have with it but in terms of physical design, the main problems are that
> it's slightly too big and the audio port is on top, which means you have to
> put it in your pocket upside down if you are listening to music. If I were
> designing a phone, I would start there and just update the hardware. Neo900
> and the DragonBox Pyra are both products that I would be happy to buy if I
> could. Pyra is not designed to be a phone but it certainly could be used as
> one with a Bluetooth headset. I like the idea of a phone/laptop that I
> could also plug into a hub and use as a desktop, I think Microsoft is
> marketing that concept well with their new phones but I don't know the
> specifics. With regards to radio implementation, general purpose
> software-defined radio in a mobile device would be very useful for a number
> of applications, such as signal balancing wireless access points or as a
> portable oscilloscope using the TRRS port. Some governments might require
> specialised licenser to legally operate this sort of device, I'm not sure,
> but I for one would get the licenser if necessary. Physical keyboards are
> nice but the layout is a matter of preference and I typically don't find
> them to be entirely comfortable, it would be awesome if the keys could be
> repositioned but this is almost certainly not practical. Can't comment on
> the Neo900 and Pyra keyboards since I haven't tried them. I would very much
> like to be able to boot computers off of my phone as removable media to
> install operating systems or run technical utilities. This may already be
> possible but I have not figured out how to do it yet, especially with a
> multi-boot bootloader. Removable batteries are a big plus and hot-swappable
> seems like a great idea. USB Type C connector looks good and 802.11ac
> should be very useful. I have more comprehensive lists saved somewhere if
> you want them but I think these are the most interesting hardware concepts.
> Hope my dreams are useful to you (all). :)
>
> On 3 January 2016 at 23:17, <community-request at openphoenux.org> wrote:
>
>> Send Community mailing list submissions to
>>         community at openphoenux.org
>>
>> To subscribe or unsubscribe via the World Wide Web, visit
>>         http://lists.goldelico.com/mailman/listinfo.cgi/community
>> or, via email, send a message with subject or body 'help' to
>>         community-request at openphoenux.org
>>
>> You can reach the person managing the list at
>>         community-owner at openphoenux.org
>>
>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of Community digest..."
>>
>>
>> Today's Topics:
>>
>>    1. Re: New cell phone design wanted? (Andreas Kemnade)
>>    2. Re: New cell phone design wanted? (Dr. Michael Lauer)
>>    3. Re: New cell phone design wanted? (Kero)
>>    4. Re: New cell phone design wanted? (James)
>>    5. Re: New cell phone design wanted? (J.V. King)
>>    6. Re: New cell phone design wanted? (Daniil Larionov)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Sun, 03 Jan 2016 19:15:19 +0100
>> From: Andreas Kemnade <andreas at kemnade.info>
>> To: community at openphoenux.org
>> Subject: Re: [Community] New cell phone design wanted?
>> Message-ID: <1451844919.10410.8.camel at kemnade.info>
>> Content-Type: text/plain; charset="ISO-8859-15"
>>
>> On Sun, 2016-01-03 at 02:57 +0000, James wrote:
>>> Hello,
>>>
>>> I've designed all sorts of hardware and firmware over the decades. I have
>>> always wanted to design a cell phone that can support multiple different
>>> open source software stacks. I'd like to hear what features and the
>> resources
>>> folks would like to see in a new cell phone where all the hardware is
>>> disclosed so open source codes, from a variety of places, can be
>> completed
>>> and supported by the open source communities.
>>>
>>>
>>> So what is your desired feature list? (processor, ram, flash,
>> peripherals?)
>> I am looking for something in the form factor of the gta04/openmoko but
>> with a display not requiring any backlight in bright sunlight. So it is
>> good for outdoor use. I do not want millions of brilliant pixels which
>> can be only seen with a backlight consuming excessive amount of power in
>> sunlight. Then I would prefer like 300000 not so brilliant pixels which
>> can be seen without much power like it was the case with old Compaq/HP
>> Ipaq devices.
>> That seems to also be a combination which seems not to be easily
>> available on the market. The smartphones I have seen solve the sunlight
>> problem by using excessive backlight brightness consuming vast amounts
>> of power.
>>
>> Regards,
>> Andreas
>>
>>
>>
>> ------------------------------
>>
>> Message: 2
>> Date: Sun, 3 Jan 2016 20:51:07 +0100
>> From: "Dr. Michael Lauer" <mickey at vanille.de>
>> To: OpenPhoenux Community <community at openphoenux.org>
>> Subject: Re: [Community] New cell phone design wanted?
>> Message-ID: <0860BB04-9826-458C-84EC-7906E04639F1 at vanille.de>
>> Content-Type: text/plain; charset=utf-8
>>
>>> Am 03.01.2016 um 19:15 schrieb Andreas Kemnade <andreas at kemnade.info>:
>>>
>>> On Sun, 2016-01-03 at 02:57 +0000, James wrote:
>>>> Hello,
>>>>
>>>> I've designed all sorts of hardware and firmware over the decades. I
>> have
>>>> always wanted to design a cell phone that can support multiple different
>>>> open source software stacks. I'd like to hear what features and the
>> resources
>>>> folks would like to see in a new cell phone where all the hardware is
>>>> disclosed so open source codes, from a variety of places, can be
>> completed
>>>> and supported by the open source communities.
>>>>
>>>>
>>>> So what is your desired feature list? (processor, ram, flash,
>> peripherals?)
>>> I am looking for something in the form factor of the gta04/openmoko but
>>> with a display not requiring any backlight in bright sunlight. So it is
>>> good for outdoor use. I do not want millions of brilliant pixels which
>>> can be only seen with a backlight consuming excessive amount of power in
>>> sunlight. Then I would prefer like 300000 not so brilliant pixels which
>>> can be seen without much power like it was the case with old Compaq/HP
>>> Ipaq devices.
>>> That seems to also be a combination which seems not to be easily
>>> available on the market. The smartphones I have seen solve the sunlight
>>> problem by using excessive backlight brightness consuming vast amounts
>>> of power.
>> I?d love to have a hackable Linux-based (smart-)phone with an E-Ink display
>> and a massive standby time, like, say, one week or so.
>>
>> Since I don?t need much of the classical smartphone apps, I would be
>> content with it
>> having more of a feature phone style UI on it though. I could even imagine
>> FSO being a great middleware for such a thing.
>>
>> Cheers,
>>
>> :M:
>>
>>
>>
>> ------------------------------
>>
>> Message: 3
>> Date: Sun, 3 Jan 2016 21:38:39 +0100
>> From: Kero <openphoenux at chmeee.org>
>> To: community at openphoenux.org
>> Subject: Re: [Community] New cell phone design wanted?
>> Message-ID: <20160103203839.GF13764 at chmeee.org>
>> Content-Type: text/plain; charset=utf-8
>>
>>>>> So what is your desired feature list? (processor, ram, flash,
>> peripherals?)
>>>> I am looking for something in the form factor of the gta04/openmoko but
>>>> with a display not requiring any backlight in bright sunlight. So it is
>>>> good for outdoor use. I do not want millions of brilliant pixels which
>>>> can be only seen with a backlight consuming excessive amount of power
>> in
>>>> sunlight. Then I would prefer like 300000 not so brilliant pixels which
>>>> can be seen without much power like it was the case with old Compaq/HP
>>>> Ipaq devices.
>>>> That seems to also be a combination which seems not to be easily
>>>> available on the market. The smartphones I have seen solve the sunlight
>>>> problem by using excessive backlight brightness consuming vast amounts
>>>> of power.
>>> I?d love to have a hackable Linux-based (smart-)phone with an E-Ink
>> display
>>> and a massive standby time, like, say, one week or so.
>>>
>>> Since I don?t need much of the classical smartphone apps, I would be
>> content with it
>>> having more of a feature phone style UI on it though. I could even
>> imagine
>>> FSO being a great middleware for such a thing.
>> Having the defining features from gta*/neo900 (openness, security) in a
>> pluggable form factor, such as USB.
>> It allows me to use it on a platform of my choice, which is still going to
>> be some computer running linux.
>>
>> It would be a much smaller design, with fewer components to source.
>> Hopefully easier to update, too (I'm a SW person, but I imagine this
>> applies to HW, too).
>>
>> It needs some driver on the host to work when plugged into it, providing
>> control and data interfaces.
>>
>> In response to the prev mail:
>> I am interested in the features that smartphone apps provide, but not in
>> the existing apps-ecosystems.
>>
>> Bye,
>> Kero.
>>
>> --
>> If travel is searching
>> and home what's been found
>>     Hunter - Homogenic - Bjork
>>
>>
>> ------------------------------
>>
>> Message: 4
>> Date: Sun, 3 Jan 2016 22:56:53 +0000 (UTC)
>> From: James <wireless at tampabay.rr.com>
>> To: community at openphoenux.org
>> Subject: Re: [Community] New cell phone design wanted?
>> Message-ID: <loom.20160103T231527-876 at post.gmane.org>
>> Content-Type: text/plain; charset=us-ascii
>>
>> Kero <openphoenux at ...> writes:
>>
>>
>>>>>> So what is your desired feature list? (processor, ram, flash,
>> peripherals?)
>>
>>
>> Well, these replies do tell this commmunity is alive and desires some new
>> toys to get excited about. So, if I may be bold, how does this sound to
>> satisfy what I have parsed from the previous posts ???
>>
>> Hardware::
>> multicore arm64, maui gpu, 4 gig of ram, micro-usb & usb3, wifi , audio
>> i/0,
>> Bluetooth, 5" touch screen, sim card socket, camera, gps, temp
>>
>>
>> Software::
>> hardened linux kernel [1], embedded gentoo linux os, lxqt, (this is what
>> I'd
>> do). Openrc (no systemd). SeLinux [2]. Fully encrypted device.
>>
>>
>> As a gentoo device, it's pretty straight forward to install whatever
>> software your want from portage, within the constraints of the resources.
>> Just so you know, I have little interest in a low price. I'm interested in
>> building a cell comm device that kicks ass, is secure and users
>> control/modify it as they like. Have troubles with the stack, hire somebody
>> or create what you want in the open. BSD style licenses as much as
>> possible,
>> i.e. entrepreneurs are most welcome!
>>
>> I'm interested in expanding the Rf interface capabilities (ham, CB etc)
>> so that is still floating on the exact details. That may be an add on board
>> that 'clips on the back; decided once I get the final list of hardware to
>> support.
>>
>>
>> What I need is a consensus. A rally cry, so I can go into board meetings
>> with several semiconductor firms and pitch a revolutionary device for the
>> secure entrepreneur to prosper. I am influential and have a long history of
>> squeezing (chip) vendors:: so no worries on how to get this done. Besides,
>> the current cell phone sales have stalled because nobody is building
>> anything that excites folks. I have zero interest in building a sub $300
>> cell phone, that is an exercise in futility, imho. I'm more interested in
>> the 'big cannon' cell phone that folks will pay for to get one and become
>> excited about writing and hacking software for it. Somebody else can focus
>> on the low end (sorry if this offends anyone). Codes that invoke lincense
>> issue will become user installable, via the gentoo package management
>> system
>> known as portage [3]
>>
>> So what did I miss on the hardware and software? (please leave emotion,
>> guilt and other such issues out of the discussion) I just what input on the
>> killer cell phone package (hardware and software) that folks want (like
>> SElinux on an embedded linux cell device).
>>
>>
>> [1] https://grsecurity.net/
>>
>> [2] http://selinuxproject.org
>>
>> [3] https://wiki.gentoo.org/wiki/Portage
>>
>>
>> James
>>
>>
>>
>>
>>
>>
>>
>> ------------------------------
>>
>> Message: 5
>> Date: Sun, 3 Jan 2016 20:45:24 -0500
>> From: "J.V. King" <mensawasp at hotmail.com>
>> To: OpenPhoenux Community <community at openphoenux.org>
>> Subject: Re: [Community] New cell phone design wanted?
>> Message-ID: <BLU172-W30FF8AC787C2A02C2D2BC7AEF20 at phx.gbl>
>> Content-Type: text/plain; charset="iso-8859-1"
>>
>> Just have one (probably dumb) question.  Would it be any easier to run
>> multiple Operating Systems on an Intel Processor, as opposed to an ARM
>> Processor ?  I only ask because of the advent of Intel-based Smartphones
>> since about 2012 now:
>>
>> http://www.intel.com/content/www/us/en/smartphones/smartphones.html
>>
>>> To: community at openphoenux.org
>>> From: wireless at tampabay.rr.com
>>> Date: Sun, 3 Jan 2016 02:57:27 +0000
>>> Subject: [Community] New cell phone design wanted?
>>>
>>> Hello,
>>>
>>> I've designed all sorts of hardware and firmware over the decades. I have
>>> always wanted to design a cell phone that can support multiple different
>>> open source software stacks. I'd like to hear what features and the
>> resources
>>> folks would like to see in a new cell phone where all the hardware is
>>> disclosed so open source codes, from a variety of places, can be
>> completed
>>> and supported by the open source communities.
>>>
>>>
>>> So what is your desired feature list? (processor, ram, flash,
>> peripherals?)
>>>
>>> I can build them in small batches and keep the prices down, but I'll not
>> be
>>> providing pcb layout details, but only the details to write/port code to
>> the
>>> devices. I am taking this approach to cover the cost of a few
>> consultants I
>>> need to add advanced feature like integrated Ham radio, and other Rf
>>> features not found in standard phones......
>>>
>>>
>>> hit me with your thoughts and ideas,
>>>
>>>
>>> James
>>>
>>>
>>>
>>> _______________________________________________
>>> Community mailing list
>>> Community at openphoenux.org
>>> http://lists.goldelico.com/mailman/listinfo.cgi/community
>>> http://www.openphoenux.org
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>> ------------------------------
>>
>> Message: 6
>> Date: Mon, 4 Jan 2016 04:17:35 +0000
>> From: Daniil Larionov <ScumCoder at yandex.ru>
>> To: community at openphoenux.org
>> Subject: Re: [Community] New cell phone design wanted?
>> Message-ID: <uccxnv.o0eulc.2x6unh-qmf at smtp1m.mail.yandex.net>
>> Content-Type: text/plain; charset=utf-8
>>
>> Sounds like Neo900 on steroids. Or Purism: the Phone. Which is awesome.
>>
>>> Just so you know, I have little interest in a low price. I'm interested
>> in
>>> building a cell comm device that kicks ass, is secure and users
>>> control/modify it as they like.
>> Just wanted to ask what (estimated) price we are talking about. There is a
>> certain threshold that no hardware can justify. For me the maximum price I
>> can afford to spend on such phone is around 1200-1300 ?.
>>
>>
>> On Mon Jan 4 01:56:53 2016 GMT+0300, James wrote:
>>> Kero <openphoenux at ...> writes:
>>>
>>>
>>>>>>> So what is your desired feature list? (processor, ram, flash,
>>> peripherals?)
>>>
>>>
>>> Well, these replies do tell this commmunity is alive and desires some new
>>> toys to get excited about. So, if I may be bold, how does this sound to
>>> satisfy what I have parsed from the previous posts ???
>>>
>>> Hardware::
>>> multicore arm64, maui gpu, 4 gig of ram, micro-usb & usb3, wifi , audio
>> i/0,
>>> Bluetooth, 5" touch screen, sim card socket, camera, gps, temp
>>>
>>>
>>> Software::
>>> hardened linux kernel [1], embedded gentoo linux os, lxqt, (this is what
>> I'd
>>> do). Openrc (no systemd). SeLinux [2]. Fully encrypted device.
>>>
>>>
>>> As a gentoo device, it's pretty straight forward to install whatever
>>> software your want from portage, within the constraints of the resources.
>>> Just so you know, I have little interest in a low price. I'm interested
>> in
>>> building a cell comm device that kicks ass, is secure and users
>>> control/modify it as they like. Have troubles with the stack, hire
>> somebody
>>> or create what you want in the open. BSD style licenses as much as
>> possible,
>>> i.e. entrepreneurs are most welcome!
>>>
>>> I'm interested in expanding the Rf interface capabilities (ham, CB etc)
>>> so that is still floating on the exact details. That may be an add on
>> board
>>> that 'clips on the back; decided once I get the final list of hardware to
>>> support.
>>>
>>>
>>> What I need is a consensus. A rally cry, so I can go into board meetings
>>> with several semiconductor firms and pitch a revolutionary device for the
>>> secure entrepreneur to prosper. I am influential and have a long history
>> of
>>> squeezing (chip) vendors:: so no worries on how to get this done.
>> Besides,
>>> the current cell phone sales have stalled because nobody is building
>>> anything that excites folks. I have zero interest in building a sub $300
>>> cell phone, that is an exercise in futility, imho. I'm more interested in
>>> the 'big cannon' cell phone that folks will pay for to get one and become
>>> excited about writing and hacking software for it. Somebody else can
>> focus
>>> on the low end (sorry if this offends anyone). Codes that invoke lincense
>>> issue will become user installable, via the gentoo package management
>> system
>>> known as portage [3]
>>>
>>> So what did I miss on the hardware and software? (please leave emotion,
>>> guilt and other such issues out of the discussion) I just what input on
>> the
>>> killer cell phone package (hardware and software) that folks want (like
>>> SElinux on an embedded linux cell device).
>>>
>>>
>>> [1] https://grsecurity.net/
>>>
>>> [2] http://selinuxproject.org
>>>
>>> [3] https://wiki.gentoo.org/wiki/Portage
>>>
>>>
>>> James
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Community mailing list
>>> Community at openphoenux.org
>>> http://lists.goldelico.com/mailman/listinfo.cgi/community
>>> http://www.openphoenux.org
>>>
>> --
>> Sent from my Jolla
>>
>> ------------------------------
>>
>> _______________________________________________
>> Community mailing list
>> Community at openphoenux.org
>> http://lists.goldelico.com/mailman/listinfo.cgi/community
>> http://www.openphoenux.org
>>
>> End of Community Digest, Vol 44, Issue 2
>> ****************************************
>>
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