[Coco] CocoPi3 "PacoOtaktay Winter 2017-2018 Edition" now available
Dave Philipsen
dave at davebiz.com
Thu Nov 23 04:36:53 EST 2017
Gene, I definitely agree with you on the i/o bottleneck of the Pi. However, there is one area where it really shines. I have not found another computer that will smoothly and seamlessly play 1080 HD video at the same price point.
I am using the Pi as a video player in a project I’m working on but it acts as a slave to a much slower processor. The client asked me why I didn’t just use the Pi for the whole kit and kaboodle. And that was my answer, you just can’t do anything practical with it as far as i/o is concerned. I have several different projects using the Pi as a hi-def video player and it has been very, very reliable and will play anything I can throw at it.
Dave
>> On Nov 23, 2017, at 1:36 AM, Gene Heskett <gheskett at shentel.net> wrote:
>>
>> On Thursday 23 November 2017 00:57:25 Ron Klein wrote:
>>
>> Hi Frank,
>>
>> As a quick follow-up to this, it looks like there is a Raspbian distro
>> for the x86 platform. That might make porting over what I've done for
>> the RPi3 a bit easier. I'll try to look at this as I get time.
>>
>> Thanks!
>
> All this talk about the r-pi, the rpi3 TBE, makes me point out a couple
> things that are not so great about the r-pi3.
>
> 1. All i/o except the spi, has to find its way thru a very small, busier
> than that famous cat on the equaly famous tin roof usb-2 internal hub.
> It is running a medium sized metal lathe for me fairly well, because all
> the i/o to run the lathe is spi. Bertho Stultans put the finishing
> touches on the spi driver, so it writes 32 bit packets at 41 megabaud,
> and reads the 32 bit responses at 25 megabaud. So it runs the machine
> fairly well. But you have to get keyboard and mouse stuff thru that
> usb-2 pinhole, while its reading and writing to the video and its sd
> card storage media, with the net result being keyboard and mouse events
> thrown away in wholesale quantity's. With several reboots, you can get
> all the ducks in a row and it will run for several days, but every
> reboot is a crap shoot to see if the keyboard and mouse work.
>
> Theres a much better card out there now, quite new where the pi's are
> getting looooong in the tooth, from Pine, called the rock64. I am
> running the raspbian version of debian 8, "jessie" on the pi. The rock64
> running ayufan's version of debian 9, "stretch", does not have this
> internal architecture pinhole, and is quite easily 10x faster than the
> pi, 20x or more for disk accesses. Essentially the same updates,
> security related stuff, took the pi nearly an hour to do this evening,
> whereas the rock64 was finished with a nearly identical update list in
> just 3 minutes. And both are sucking those updates over the same 10
> Megabaud circuit.
>
> The rock64 is available with up to 4GB of ram for $44.
>
> Be aware that until one of our linuxcnc guys digs into that spi driver,
> which is currently built to run only on the pi, will need to be tickled
> to run on a different set of header definition files before it will run
> on newer SoC hardware. And while each of these arm platforms has what is
> called pi compatible gpio, it takes a matching driver to do it.
>
> But first you have to get the broadcom headers and excise the am I
> running on a pi checks in that are in that code now so it will run on
> something else. The existing linux spi driver is so speed limited its
> effectively broken.
>
> What I am trying to say, is that there is lots better hardware out there
> than the pi's. In another 5 years, the pi's light will have burned out.
> Its popular because it was first, but IMNSHO, it set a very poor
> standard doing it. Put your porting efforts into more capable hardware.
>>> On Wed, Nov 22, 2017 at 11:20 PM, Ron Klein <ron at kdomain.org> wrote:
>>> Hi Frank,
>>>
>>> One of the big benefits of working with the RPi3 is a standard
>>> hardware platform to develop for. I don't have to be concerned
>>> about different video chipsets, video hardware acceleration
>>> capability, etc.. That being said, the menu system and scripts I
>>> developed would work with many Linux distributions. In addition,
>>> all the development tools/utilities should work without issue.
>>> Perhaps I can take a look at Lubuntu as a low overhead/resource
>>> distribution for the PC as a base for "CocoPC3."
>>>
>>> On Wed, Nov 22, 2017 at 9:19 PM, Francis Swygert <farna at att.net>
> wrote:
>>>> The latest release of CocoPi3 is now available. Dubbed the
>>>> "PacoOtaktay Winter 2017-2018 Edition", it provides many updates
>>>> and new features. Some of these include:
>>>>
>>>> Built on the latest Raspbian "stretch." ....
>>>> =============================================
>>>> Any chance of making a distribution on a more normal Linux that
>>>> will run on a standard computer, not a Raspberry Pi? Would be nice
>>>> to have a Live CD to boot up... I have an older laptop (P3 HP
>>>> Omnibook 3000.. 512MB RAM) that would be a good candidate. Nice not
>>>> to have X-windows and all that other high overhead stuff on one
>>>> that is just used as a CoCo emulator. Frank Swygert
>>>> Fix-It-Frank Handyman Service
>>>> 803-604-6548
>>>>
>>>> --
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>>>> Coco at maltedmedia.com
>>>> https://pairlist5.pair.net/mailman/listinfo/coco
>
>
> Cheers, Gene Heskett
> --
> "There are four boxes to be used in defense of liberty:
> soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> Genes Web page <http://geneslinuxbox.net:6309/gene>
>
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