Files
cheatsheet-tldr/tldr/linux/i2cset
2025-07-10 00:21:00 +00:00

24 lines
710 B
Plaintext

---
syntax: markdown
tags: [tldr, linux]
source: https://github.com/tldr-pages/tldr.git
---
# i2cset
> Set the value of a register of an I2C device.
> See also: `i2cdetect`, `i2cdump`, `i2cget`.
> Note: All addresses should be specified in hexadecimal.
> More information: <https://manned.org/i2cset>.
- Write to a register of an I2C device:
`i2cset {{i2cbus}} {{device_address}} {{register_address}} {{value}}`
- Write to a register of an I2C device without asking for confirmation:
`i2cset -y {{i2cbus}} {{device_address}} {{register_address}} {{value}}`
- Write to a register of an I2C device using a specific mode:
`i2cset {{i2cbus}} {{device_address}} {{register_address}} {{value}} {{b|w|c|s|i}}`