On Wed, 8 Apr 2015, [email protected] wrote:

> On Wednesday, April 8, 2015 at 10:14:23 AM UTC-4, Robert P. J. Day wrote:
>
>         seeing differing opinions online ... if you read this:
>
>       https://e2e.ti.com/support/arm/sitara_arm/f/791/t/233139
>
>       i should be able to display the first few bytes of the BBB's EEPROM
>       from u-boot using:
>
>        i2c md 0x50 0 16
>
>       but, for me, that just displays "ff" throughout, which is what *other*
>       people claim to see when they try it.
>
>         should this command work? do i need to initialize something first?
>       am i (theoretically) using the correct arguments?
>
>
> I wrote this C utility a while ago to read the BBB eeprom for the model & 
> serial #s:
>
> http://pastebin.com/p7XwKUGZ
>
> It works on both Debian (Jessie) and FreeBSD!  It uses ioctl()'s to
> read 28 bytes from slave addr 0x50 on i2c-0.

  ah, very nice, thanks.

rday

-- 

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
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