The CMSIS-Driver specification defines a uniform software API for peripheral driver interfaces that can be used by middleware stacks and user applications.

This documentation covers a set of reference CMSIS-Driver implementations for external peripheral devices.

The implementations are maintained in a public GitHub repository. Their releases in CMSIS Pack format are also available on CMSIS Packs page under Arm - CMSIS Drivers for external devices category and can be used in environments supporting the CMSIS-Pack concept.

Interested parties are welcome to contribute their drivers to the referenced repository.

Pack Content

The ARM::CMSIS-Driver Pack contains the following items:

File/Directory	Content
📄 ARM.CMSIS-Driver.pdsc	Package description file in CMSIS-Pack format.
📄 LICENSE	CMSIS license agreement (Apache 2.0).
📂 Config/	Configuration files for I2C, NAND, and SPI bus implementations.
📂 Documentation/	This documentation.
📂 Ethernet/	Ethernet driver implementations.
📂 Ethernet_PHY/	Ethernet PHY driver implementations.
📂 Flash/	Flash memory driver implementations.
📂 I2C/	I2C driver implementations.
📂 NAND/	NAND driver implementations.
📂 Shield/	Shield layer implementations.
📂 SPI/	SPI driver implementations.
📂 USB/	USB driver implementations.
📂 WiFi/	WiFi driver implementations.

License

The CMSIS Driver example implementations are provided free of charge under the Apache 2.0 license.
See the Apache 2.0 License