OCF for Resource-Constrained Environments
summary
Open-source small-footprint implementation of the Open Connectivity Foundation standard that targets constrained hardware and runs as a pure C cross-platform framework with static memory pools. Architecture uses an event-driven OCMainPoll event loop, abstract interfaces for connectivity/clock/storage/random, CBOR payloads, CoAP/DTLS for transport and access control, and APIs like OCDoGet/OCMainInit/OCSetDelayedCallback plus separate-response support for long operations. Working ports include Zephyr, RIOT, Contiki and Linux; goal is to pass OCF certification and be producible on battery-powered devices.
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chapters (15)
- 0:00Introduction
- 0:38Outline
- 3:02Constraint Classification
- 6:02Core Concepts
- 11:44Example
- 14:39Typical Challenges
- 18:32Code Framework
- 21:00Core Framework
- 40:15Framework Configuration
- 41:04Clock Interface
- 42:03Connectivity Interface
- 42:55OC Messages
- 44:10OC Random
- 44:35OC Storage
- 45:03Conclusion
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