Author Topic: Raspberry Pi 2  (Read 13938 times)

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Offline electroluxTopic starter

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Raspberry Pi 2
« on: February 02, 2015, 01:53:41 pm »
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Offline tggzzz

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Re: Raspberry Pi 2
« Reply #1 on: February 02, 2015, 02:15:03 pm »
Musn't forget the so-called "cost of ownership" questions:
  • unless you can compile and run your own code on it, the maker community will give it a collective "meh" and one/two fingered gesture. So, what will be the development environment, and how much will it cost?
  • what happens if you aren't the developer? If someone else wants to replicate your hack, do they have to pretend to be developer, or pay from Win10, or what?
  • will Win10 + development environment still be free in 2 years time?
Or would your investment in time and money be as useless as an MS "PlaysForSure" album (sic) on an MS Zune?
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Offline DIPLover

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Re: Raspberry Pi 2
« Reply #2 on: February 02, 2015, 02:24:01 pm »
Maybe tggzzz should read the article.

Only the CPU has changed. Everything else (including the video core, the pinout, the ports) is the same.

Windows 10 will support it, and so will mainstream linux, as it's finally an ARMv7 core.

And why would you not be able to run your own code on it? That's the whole point of the Raspberry Pi!

And the cost is the same $35 as before.
 

Offline tom66

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Re: Raspberry Pi 2
« Reply #3 on: February 02, 2015, 02:39:11 pm »
RPi2 looks like a proper candidate for a media PC/HTPC replacement: the single core 700MHz ARM was too laggy in XBMC for me to like, I'm interested to see how the more powerful processor with more RAM copes.
 

Offline tggzzz

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Re: Raspberry Pi 2
« Reply #4 on: February 02, 2015, 02:52:10 pm »
Maybe tggzzz should read the article.

Only the CPU has changed. Everything else (including the video core, the pinout, the ports) is the same.

Windows 10 will support it, and so will mainstream linux, as it's finally an ARMv7 core.

And why would you not be able to run your own code on it? That's the whole point of the Raspberry Pi!

And the cost is the same $35 as before.

I was referring to Win10; I should have made that clearer.

Of course everything else remains more-or-less the same, although a recompile will be beneficial to get all the benefit from the ARM7. That's not a problem in the Linux world, but MS's position needs further clarification before it is worth devoting some of your remaining life to it.

Added:

To confirm that position I've just seen this article http://www.theregister.co.uk/2015/02/02/windows_10_raspberry_pi_2_eben_upton_interview/ which includes

“What we’re talking about here is Windows 10 for IoT [Internet of Things]; there hasn’t been a statement about capabilities,” Upton explains. “We’re not necessarily talking about PowerPoint or the Windows desktop. Microsoft will make a statement on what exact capabilities they plan to bring to the device fairly soon.”

with my emphasis added.
« Last Edit: February 02, 2015, 02:59:01 pm by tggzzz »
There are lies, damned lies, statistics - and ADC/DAC specs.
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Offline Mechanical Menace

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Re: Raspberry Pi 2
« Reply #5 on: February 02, 2015, 03:04:17 pm »
I can see this been a better fit for computer vision projects than the original.
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Offline DIPLover

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Re: Raspberry Pi 2
« Reply #6 on: February 02, 2015, 03:36:35 pm »
@tggzzz : sorry didn't want to sound so harsh

Windows 10 is a non-starter for me so I didn't quite understand your angle.

The raspberry Pi so far has been an extraordinarily good platform marred by an antiquated cpu. This new core will fix that.

Everything the Pi was good at, it will be better. Everything the Pi was marginal at it will become good.

And a lot of things the Pi was too weak for, it will become useable.

This is a great step forward for the platform.
 

Offline ivan747

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Re: Raspberry Pi 2
« Reply #7 on: February 02, 2015, 04:59:22 pm »
You got to be kidding me!  |O I bought a B+ about a month ago  :palm:

Guess it's only $35
I'll wait a couple of more months until the model 2 matures. It's going to take them a couple of months to catch up with the introductory demand as well, I guess.
« Last Edit: February 02, 2015, 05:02:31 pm by ivan747 »
 

Offline tggzzz

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Re: Raspberry Pi 2
« Reply #8 on: February 02, 2015, 05:01:34 pm »
@tggzzz : sorry didn't want to sound so harsh

No apologies necessary; I wasn't as unambiguous as I could have been.

As for your other points, I pretty much agree - the one exception being that the addition of yet another "impenetrable" layer between the cpu/io and the application program won't help  beginners feel completely in control in the way they did in the 80s. OTOH that territory is adequately occupied by the Arduino ecosystem, and the RPi is occuping another niche - which is perfectly sensible.

I have suspicions that MS is doing this merely to (1) remind Intel the x86 isn't the only game in town and (2) try to get into the IoT space. Once either or both of those have either succeeded or failed, MS may well abandon this initiative.

My feeling is that MS probably has a reasonable IoT strategy/offering in there somewhere, but they haven't explained it, and I don't think Win10 "IoT leaf nodes" are going to fly.

[/quote]
Windows 10 is a non-starter for me so I didn't quite understand your angle.
The raspberry Pi so far has been an extraordinarily good platform marred by an antiquated cpu. This new core will fix that.
Everything the Pi was good at, it will be better. Everything the Pi was marginal at it will become good.
And a lot of things the Pi was too weak for, it will become useable.
This is a great step forward for the platform.
[/quote]
There are lies, damned lies, statistics - and ADC/DAC specs.
Glider pilot's aphorism: "there is no substitute for span". Retort: "There is a substitute: skill+imagination. But you can buy span".
Having fun doing more, with less
 

Offline andersm

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Re: Raspberry Pi 2
« Reply #9 on: February 02, 2015, 10:02:35 pm »
I have suspicions that MS is doing this merely to (1) remind Intel the x86 isn't the only game in town and (2) try to get into the IoT space. Once either or both of those have either succeeded or failed, MS may well abandon this initiative.
They're probably trying to drum up support for their phone/tablet ecosystem. A well-integrated development environment based on Windows and Visual Studio will be attractive to many.

Offline macbreak

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Re: Raspberry Pi 2
« Reply #10 on: February 04, 2015, 02:08:44 am »
Spoke to my rep on launch day (2nd feb); review unit coming out this week - YIPEE! :D
 

Offline free_electron

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Re: Raspberry Pi 2
« Reply #11 on: February 04, 2015, 03:01:31 am »
Yay ! i will finally be able to play with this thing too. Gonna code me some good ol Visual basic :)
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Offline macbreak

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Re: Raspberry Pi 2
« Reply #12 on: February 04, 2015, 03:28:47 am »
Yay ! i will finally be able to play with this thing too. Gonna code me some good ol Visual basic :)

I'd like to see that on a command line Windows install

. hehe
 

Offline DIPLover

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Re: Raspberry Pi 2
« Reply #13 on: February 05, 2015, 12:29:46 am »
Yay ! i will finally be able to play with this thing too. Gonna code me some good ol Visual basic :)

I'd like to see that on a command line Windows install

. hehe

Command line windows install? What in the nine hells would be the point of THAT?

But good ole VB (as in VB6?), not gonna see that in Windows-ARM either...
 

Offline free_electron

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Re: Raspberry Pi 2
« Reply #14 on: February 05, 2015, 12:44:59 am »
if it can run NETMF it should work fine.

i've run NETMF on STM32 processors. works perfectly fine. write code in visual studio 2012 and install the NETMF package.
compiles directly into ARM code.

Plenty of things out there that already do that. (Netduino for example)

C has just too many semicolons and curly braces... semicolons cramp up my colon..
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Offline DIPLover

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Re: Raspberry Pi 2
« Reply #15 on: February 05, 2015, 01:04:02 am »

C has just too many semicolons and curly braces... semicolons cramp up my colon..

See for me it's the opposite. I prefer and feel more comfortable in languages that use curly braces and semi-colons, their omission in, for example, python, still feels "wrong" to me after years of use.

Stockholm syndrome?
 

Offline mikerr

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Re: Raspberry Pi 2
« Reply #16 on: February 08, 2015, 02:56:58 pm »
The version of Windows 10 it runs is command line only. No GUI

 

Offline Red Squirrel

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Re: Raspberry Pi 2
« Reply #17 on: February 09, 2015, 12:41:34 am »
This is cool, I might get one.  I don't care about Windows, I'll put Linux on it.  I never realized these had 40 GPIO pins.  Lot of possibilities there for home automation.   Arduino is nice but if you have a complex and/or networked program you still want some kind of PC connected to it to run the server.  The RPI could do it all in one device.
 

Offline Kjelt

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Re: Raspberry Pi 2
« Reply #18 on: February 09, 2015, 06:10:33 am »
It has less than 40 GPIO pins but it also has I2C , uart, spi still enough for most projects or you can use port expanders.
Just wondering if more people have their pi 2 sometimes hanging with a reboot or cold start. I suspect the wallwart PS so will switch to TDk smps but it was sold esp. For the pi  :-//
 

Online Monkeh

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Re: Raspberry Pi 2
« Reply #19 on: February 09, 2015, 06:37:44 am »
It has less than 40 GPIO pins but it also has I2C , uart, spi still enough for most projects or you can use port expanders.
Just wondering if more people have their pi 2 sometimes hanging with a reboot or cold start. I suspect the wallwart PS so will switch to TDk smps but it was sold esp. For the pi  :-//

Cover U16 with something and see if it continues. They seem to have a problem with IR.
 

Offline Tepe

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Re: Raspberry Pi 2
« Reply #20 on: February 09, 2015, 08:36:51 am »
I prefer and feel more comfortable in languages that use curly braces and semi-colons, their omission in, for example, python, still feels "wrong" to me after years of use.

Stockholm syndrome?
Old dogs, new tricks?
 

Offline tggzzz

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Re: Raspberry Pi 2
« Reply #21 on: February 09, 2015, 10:33:08 am »
I prefer and feel more comfortable in languages that use curly braces and semi-colons, their omission in, for example, python, still feels "wrong" to me after years of use.

Stockholm syndrome?
Old dogs, new tricks?

Those who do not remember the past are condemned to repeat it. In this case we remember the anguish of having meaning encoded into whitespace.

Consider makefiles, where the program would or wouldn't work depending on whether the file contained
"        ...."
or
"        ...."
In case you are wondering, the first was 8 spaces, the second was a single tab.
There are lies, damned lies, statistics - and ADC/DAC specs.
Glider pilot's aphorism: "there is no substitute for span". Retort: "There is a substitute: skill+imagination. But you can buy span".
Having fun doing more, with less
 

Offline electroluxTopic starter

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Re: Raspberry Pi 2
« Reply #22 on: February 09, 2015, 10:36:16 am »
The version of Windows 10 it runs is command line only. No GUI


Clever  >:D Not so exiting after all  :( . Where did you get that info from, link please?
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Offline Stonent

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Re: Raspberry Pi 2
« Reply #23 on: February 09, 2015, 10:43:16 am »
The version of Windows 10 it runs is command line only. No GUI


Clever  >:D Not so exiting after all  :( . Where did you get that info from, link please?

Sounds like what they had on the Galileo.  Not that much different than the free Hyper-V Server Core 2012R2.  It boots to a command window.
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Offline Red Squirrel

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Re: Raspberry Pi 2
« Reply #24 on: February 17, 2015, 09:07:40 am »

C has just too many semicolons and curly braces... semicolons cramp up my colon..

See for me it's the opposite. I prefer and feel more comfortable in languages that use curly braces and semi-colons, their omission in, for example, python, still feels "wrong" to me after years of use.

Stockholm syndrome?

I'm the same way.  I prefer C++ and similar languages.  The nice thing with the PI though from what I'm reading is the IO pins are accessed as files in /proc so you can really use any language you want.  I'd use C++ myself.
 


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