HWSPINLOCKDemonstrate cross-core synchronization using the HWSPINLOCK API together
with the MBOX API.
MBOXPerform inter-processor mailbox communication using the MBOX API.
MBOX DataPerform inter-processor mailbox communication using the MBOX API with data.
OpenAMP Linux Zephyr RPMsgEnable message exchange between two cores, with the application core running Linux
and the real-time core running Zephyr, using the OpenAMP library.