[ECOS] I2C and SPI porting help
Will Wagner
will_wagner@carallon.com
Fri Oct 28 14:37:00 GMT 2005
Gary Thomas wrote:
> On Fri, 2005-10-28 at 15:21 +0100, Will Wagner wrote:
>> Carlos Sobrinho wrote:
>>> Hello there.
>>>
>>> I'm working with a AEB-1 board and I implemented the SPI and I2C buses with
>>> bit bang but now I would like to migrate my code to use the cyg_i2c_* and
>>> cyg_spi_* infrastructure.
>>>
>>> I read the hardware porting guide but I still need some more info.
>>> Can anyone point me in the right direction? Maybe give a example?
>>> I read that I only need some basic io in some functions and I need to pass the
>>> function pointer to the I2C/SPI struct.
>>>
>>> Do I need to add something in the packages/dev/spi... or can I use it in my
>>> own application?
>>>
>>> Any information would be gladly appreciated
>> I can send you my implementation of SPI using an MPC866P if you want an
>> example.
>>
>
> Could you post it here (so we may all benefit)?
Very happy to post it. Should I be posting it here or the ecos devel
mailing list? I would like to just tidy it up a bit first before
submitting it. I also have a whole load of other changes to support the
866P that I'd like to submit, I thought I'd tidy it all up and then
submit it all at once.
>
> Does it use the cyg_XXX infrastructure?
Yes it uses the cyg SPI infrastructure. It is heavily based on the arm
at91 code checked into anoncvs.
>
> Thanks
>
--
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Will Wagner will_wagner@carallon.com
Senior Project Engineer Office Tel: 0207 371 2032
Carallon Ltd, Studio G20, Shepherds Building, Rockley Rd, London W14 0DA
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