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Event Manager for Publish / Subscribe Asynchronous interactions component for ESP-IDF
readme
# Event Manager Component The `EventManager` class enables anonymous publish/subscribe interactions between different software components and contexts in the system. It provides a singleton class which manages the registry of publishers and subscribers in the system and provides loose coupling between them. To subscribe to events/data, a component must register itself with the manager by calling `add_subscriber()` - which will register a callback function associated with that component for the event/topic provided. All callback functions for a given topic/event are called from the same thread/context - a thread that is started and managed by the EventManager. As noted in a few places, it is recommended to use a (de-)serialization library such as espp::serialization / alpaca for transforming data structures to/from `std::vector<uint8_t>` for publishing/subscribing. ## Example The [example](./example) shows some basic usage for the `EventManager` which allows asynchronous communications between multiple tasks following the anonymous pub/sub interaction pattern - supporting one to one, one to many, many to one, and many to many data and event dissemination.
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Supports all targets
Maintainer
- William Emfinger <waemfinger@gmail.com>
License: MIT
To add this component to your project, run:
or
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idf.py add-dependency "espp/event_manager^0.21.0"
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