Try with just the i2c bus number or without the /dev/ like:
i2cdetect -F 0
i2cdetect -F i2c-0

On Friday, April 25, 2014 6:38:10 AM UTC+2, treedeegraphics wrote:
>
> Hi:
>
> I have a custom i2c device  (one that looks like memory, you can do reads 
> and writes to it) connected to my BeagleBone Black.
>
> According to the online docs, I have the device connected to:  i2c2: 
> 0x4819_C000
>
> However when I do an i2cdetect -l  I only see:
> # i2cdetect -l
> i2c-0   i2c             OMAP I2C adapter                        I2C adapter
> i2c-1   i2c             OMAP I2C adapter                        I2C adapter
>
> # i2cdetect -F /dev/i2c-1
> Error: I2C bus name doesn't match any bus present!
>
> # i2cdetect -F /dev/i2c-0
> Error: I2C bus name doesn't match any bus present!
>
> I don't see to be able to see anything on any i2c buses in the system.
> The hardware seems to be correctly connected.
>
> Is there some configuration thing I need to do to get i2c working properly 
> on my BeagleBone Black ?
>
> I am using the Debian image on my uSD card to boot:  
>   bone-debian-7.4-2014-03-27-2gb.img.xz   (Wheezy stable)
>   (KERNEL: BeagleBone/BeagleBone Black: v3.8.13-bone47 kernel)
>
> I seem to be befuddled as I think some junk should show up on i2cdetect or 
> i2cdump but I get nothing.
> Help ? Ideas ?
>
> Thanks in Advanced.
>
>
>

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