[i2c] USB to I2C interface

Greg KH greg at kroah.com
Wed Nov 15 07:58:26 CET 2006


On Tue, Nov 14, 2006 at 11:11:03PM +0100, Till Harbaum wrote:
> Hi,
> 
> Am Dienstag, 14. November 2006 23:00 schrieb Chuck Harrison:
> > BTW I just ran across a commercial product in this vein:
> > http://www.robot-electronics.co.uk/htm/usb_i2c_tech.htm
> What i don't like about that idea is that it installs yet another serial
> port in your system. I do understand that com ports or /dev/usbttys
> are something people are used to. But i really don't agree that people
> build every kind of device this way. 
> 
> This is so confusing to the user. "Is com3 my i2c interface or is it the 
> bluetooth link to my modem or the raw device of my irda interface?" ...

That's why you use udev to name this device /dev/my_usb_i2c_device or
whatever, in a persistant manner, and then you are good to go :)

thanks,

greg k-h



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