Hello, On Tue, Aug 15, 2017 at 05:42:55PM +0800, Tarker Hu wrote: > We are using "i2c-tools (3.1.1)" and we have 2 questions: > > (01 ) When I send cmd “i2cdetect -y -r 2”, I find that some device > address always shows “UU”. > > What “UU” means? Did you read the man page of i2cdetect. There is a section "INTERPRETING THE OUTPUT" that describes UU. > When I used i2cdump to that address (showing “UU”), it always came > out “XXXX”. Can I i2cdump it? You should unbind the driver first. > Is there any document about that? > > (02 ) If I need to i2cget/i2cset to an device with “word-address > (address with 16 bits)”, how can I do? > > Is there any document? Yes, the man page for i2cget and i2cset. > Can you show me a real example? I don't have something handy. If you find that i2cset/get are not flexible enough, you should be able to do whatever you want with i2ctransfer (which doesn't exist yet in 3.1.1 though). Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |
