[Arm-netbook] EOMA-68 Carrier Board Concept

[Christopher]

Sent from my iPhone

On Aug 22, 2013, at 8:37 AM, joem <joem at martindale-electric.co.uk> wrote:

> On Wed, 2013-08-21 at 14:15 -0500, Christopher Thomas wrote:
>> 
>>>> 3. The EOMA68 (b/h)ackers already have info/knowledge on
>>        the STM32x
>>>> from the flying squirrel.
>> 
>> 
>>         libopencm3 - LGPL'd - lots of other bits.  although to be
>>        honest
>>        having seen the MK20 which appears to have full-speed USB
>>        *and* I2S
>>        even in a 40-pin package @ $1.60 i'm kinda stunned and amazed.
>> 
>> 
>> Not JUST FS USB, but OTG too. :) 
>> 
>> 
>> The MK20DX Datasheet makes me feel all warm and gooey.
>> http://cache.freescale.com/files/32bit/doc/data_sheet/K20P64M50SF0.pdf
> 
> I have go ahead to look for an alternative cortex ARM cpu for my
> company.
> 
> I'm  trying to see if I can get an FRDM-K20D50M operational and use that
> to program up a MK20DX32VLF5. Is that even possible?

Yes, as long as its a K20 or greater, you should be okay. 

> Codewarrior (Eclipse derivative) is free up to 128k but when you try to
> download it, you have to wait for someone from freescale to make contact
> instead of click and download. I don't know what all that involves so
> I'm loosing time here to try things out.
> 
> Chris, could you share how you plan on getting a K20 code compiling in
> Linux and programming a chip with it? I could use this for the I2C I/O
> port expansion chip because its cheaper.
> 

I have a bus pirate and was planning on using this method. 

https://github.com/mchck/mchck/wiki/Getting-Started

Although I do wonder if it'll be possible to use an STM32 to program the MK20 over SDA/SWD

> _______________________________________________
> arm-netbook mailing list arm-netbook at lists.phcomp.co.uk
> http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook
> Send large attachments to arm-netbook at files.phcomp.co.uk
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.phcomp.co.uk/pipermail/arm-netbook/attachments/20130822/36598c3b/attachment.html>