HPMicor Software Development Kit (HPM SDK) is a set of software enablement for HPMicro microcontrollers, including low level peripheral drivers, components, middleware, and integrated RTOS support. Besides of these components, HPM SDK also provides related demos and examples, as well as documentation to help users evaluate HPMicro products and build up their application efficiently.
See the hpmicro.com site for more information about HPMicro
HPM SDK is permissively licensed using the BSD 3-clause license.