[ale] emulating a pi?

[Ron Frazier (ALE)]

"Michael B. Trausch" <mbt at naunetcorp.com> wrote:

>On 05/18/2013 11:32 AM, Ron Frazier (ALE) wrote:
>> This may sound like an odd question, but I'm wondering if you can
>emulate a raspberry pi.  At the moment, I just want to learn how the
>software side of things works.  I don't have a need for the hardware at
>the moment, and buying the pi and power supply and case and memory card
>and usb hub and wifi dongle, etc. would probably cost me over $ 100.  I
>know I can run any standard programming language like python or c on my
>linux or windows computer, but I'm also wondering if I can do things
>like emulating the scratch language and emulating things like the the
>gpio ports and lights on the computer screen.
>
>I am unaware of an rpi-specific emulator, but you can emulate something
>very close to it with QEMU's ARM emulation.
>
>It would be hypothetically possible to extend QEMU with a profile for
>the RPi, but then how are you going to truly emulate the pins?  You
>have
>to write emulators for the devices that you're attaching to the pins,
>too, or shunt those emulated pins to something like pins on a
>USB-connected device to work with them in the meatspace.  Doing it that
>way would likely suck, though, due to various issues, including timing
>issues.
>
>Buy the device for $35, use an existing SD card, plug it into a cell
>phone charger for any cell phone made in the past 12-18 months or so,
>connect it to your TV, et voilà.  Costs you $35 + shipping.
>
>    --- Mike
>
>-- 
>Naunet Corporation Logo 	Michael B. Trausch
>
>President, *Naunet Corporation*
>? (678) 287-0693 x130 or (888) 494-5810 x130
>
>
>

Hi Mike T,

You have some good points there.  I may just end up buying a device.  Doug Hall also posted an interesting link that I may look into.

Sincerely,

Ron



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