tldr/pages/linux/i2cdump.md

i2cdump

Dump I2C device registers. See also: i2cdetect, i2cget, i2cset. Note: All addresses should be specified in hexadecimal. More information: https://manned.org/i2cdump.

• Dump all registers of an I2C device:

i2cdump {{i2cbus}} {{device_address}}

• Dump all registers of an I2C device without asking for confirmation:

i2cdump -y {{i2cbus}} {{device_address}}

• Dump all registers of an I2C device using a specific mode:

i2cdump {{i2cbus}} {{device_address}} {{b|w|c|s|i}}

• Dump registers from start to end of an I2C device:

i2cdump -r {{start}}-{{end}} {{i2cbus}} {{device_address}}