Package i2c-tools

A heterogeneous set of I2C tools for Linux

http://www.lm-sensors.org/wiki/I2CTools

This package contains a heterogeneous set of I2C tools for Linux: a bus
probing tool, a chip dumper, register-level access helpers, EEPROM
decoding scripts, and more.

System Administration (Section 8)
i2cdetect
i2cdetect is a userspace program to scan an I2C bus for devices. It outputs a table with the list of detected devices on the specified bus. i2cbus indicates the...
i2cdump
i2cdump is a small helper program to examine registers visible through the I2C bus.
i2cget
i2cget is a small helper program to read registers visible through the I2C bus (or SMBus).
i2cset
i2cset is a small helper program to set registers visible through the I2C bus.