tca9554
| Crates.io | tca9554 |
| lib.rs | tca9554 |
| version | 0.1.1 |
| created_at | 2025-07-14 10:28:03.607875+00 |
| updated_at | 2025-12-07 08:32:14.038633+00 |
| description | Driver for the TCA9554(A) I/O expander. |
| homepage | https://github.com/ladvoc/tca9554-rs |
| repository | https://github.com/ladvoc/tca9554-rs |
| max_upload_size | |
| id | 1751494 |
| size | 21,638 |
Jacob Gelman (ladvoc)
documentation
https://docs.rs/tca9554
README
TCA9554(A) Driver
Driver for the TCA9554(A) I/O expander, implementing the I²C trait from embedded-hal-async.
Features
- Support for both variants (TCA9554 and TCA9554A)
- Register access (input, output, polarity, and direction)
- Reset registers to power-on defaults
- Async trait implementation
- Sync trait implementation
- Decompose the driver into discrete pins
Contributions
Contributions adding the missing features listed above, additional test cases, or examples are welcome.
Datasheets
Note: The only difference between the two variants is the fixed portion of the I²C address.