Re: [Gumstix-users] Gumstix I2C-Problem: "ioctl failed: Remote I/O error (121)"

[Dave H. <dhy...@gm...>]

Hi Daniel,

> I got a verdex, a netwifimicrosd and a robostix, all boards are properly
> connected. I use the FFUART to attach the console and gumstix boots
> property. But when I try to read or write through i2c, get the following
> error:
> -------------------------------------------------------------------------
> root@gumstix-custom-verdex:~$ i2c 82 WriteByte 0 128

What i2c device do you have at address 82? (which is 0x52)

> i2c: error: exhausted retries
> i2c: msg_num: 0 msg_idx: -2000 msg_ptr: 0
> i2c: ICR: 000007e0 ISR: 00000002
> i2c: log: [00000446:000007e0]
> ERROR: I2cTransfer: ioctl failed: Remote I/O error (121)
> ERROR: I2cWriteBytes failed: -1
> root@gumstix-custom-verdex:~$

The errors shown above would be typical for trying to talk to a
non-existant device.

-- 
Dave Hylands
Vancouver, BC, Canada
http://www.DaveHylands.com/