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Texas Instruments Logo

MSPM33 Downstream Support For Zephyr

This repository contains early Zephyr Support for MSPM33-class devices

The Texas Instruments Zephyr GitHub repository is the starting point for Zephyr development on supported Texas Instruments devices. TI's Zephyr solution is based on the Zephyr project and utilizes the same familiar environment, tools, and dependencies.

What is Zephyr?

The Zephyr Project is a scalable real-time operating system (RTOS) supporting multiple hardware architectures, optimized for resource constrained devices, and built with security in mind.

The Zephyr OS is based on a small-footprint kernel designed for use on resource-constrained systems: from simple embedded environmental sensors and LED wearables to sophisticated smart watches and IoT wireless gateways.

This downstream repository of TI Zephyr is based on the current upstream and advance features concerning specific MSPM33 MCUs.

This release contains support for the MSPM33C321A device.

Release Information

Version v4.2.0-ti-1.01.00.00_EA
Zephyr RTOS
• Zephyr Base Device Support
• Board Configuration, DTS, Interrupts, Timers, Clock (Fix Clocked), Pinmux, GPIO
• HS-ADC (Basic)
• UART Support (Polling and Interrupt-driven modes)
• SPI Support (Master mode)

What's New

This release adds the following new features:

  • UART Support: Added MSPM33 support to the MSP UART driver with both polling and interrupt-driven modes
  • SPI Support: Added MSPM33 support to the MSP SPI driver with master mode operation
  • Testing: Added comprehensive test coverage for UART and SPI functionality

Previous Releases

Version v4.2.0-ti-1.00.00.00_EA (pre-APL)
Zephyr RTOS
• Zephyr Base Device Support
• Board Configuration, DTS, Interrupts, Timers, Clock (Fix Clocked), Pinmux, GPIO
• HS-ADC (Basic)
• Blinky Example

Devices

Supported:

  • [MSPM33C321A]

Boards

Supported:

  • [lp_mspm33c321a]

Getting Started

For getting started, please refer to the Zephyr Getting Started Guide.

For detailed board-specific information, building instructions, flashing procedures, and required development tools, please refer to the board documentation in boards/ti/lp_mspm33c321a/doc/index.rst.

NOTE: When running west init in the getting-started guide it's important to instead run west init -m https://github.com/TexasInstruments/msp-zephyr --mr v4.2.0-ti-1.01.00.00_ea zephyrproject in order to use the TI Zephyr repository. Replace zephyrproject with your desired project directory name. The v4.2.0-ti-1.01.00.00_ea tag changes with each release from TI and zephyr.

Versioning

TI will tag each release with the following format: {upstream-tag}-ti-M.mm.pp(_optional-qualifier)

This tag can be broken down into 4 components:

  • upstream-tag: This is the tag or commit of the Zephyr repo that the TI release is based on
  • -ti-: Separator
  • TI release version: This is TI's version on top of the upstream Zephyr version. The version scheme is explained below.
  • Qualifier. The qualifier keyword is described below.

Releases

All releases will be tagged using the version format above. Release notes are provided in the form of GitHub's release notices.

Disclaimer

This release is provided as-is and should be considered Beta quality. This product is meant for demonstration purposes only. Please refer to the Release Notes for details on specific limitations and known issues.

Need help?

  • For technical support with TI Zephyr, including bugs and feature requests - submit a ticket to TI's MSP E2E forum

    NOTE: Please do not use the Github issue tracker for this project.

Additionally, we welcome any feedback that you can give to improve the documentation!