v18.3.0
We are pleased to announce the release of TT Zephyr Platforms firmware version 18.3.0 🥳🎉.
Major enhancements with this release include:
New Features
DMC now reads and sends power (instead of current) from INA228 device to SMC
SMC now uses power reading as input to Total Board Power (TBP) throttler instead of
12 * current
DMC support for accessing tca9554a GPIO expanders added
Stability Improvements
Add I2C handshake between SMC and DMC FW to ensure that initialization messages are received
Total Board Power (TBP) throttler parameters have been tuned, and TBP limit is now set in the fwtable to guarantee product definition is followed
Removed APIs
Telemetry no longer reports TAG_INPUT_CURRENT
New APIs
Telemetry now reports TAG_INPUT_POWER to replace TAG_INPUT_CURRENT
Migration guide
An overview of required and recommended changes to make when migrating from the previous v18.2.0 release can be found in v18.3.0 Migration Guide.