The publish-subscribe pattern provides an array of benefits, applications, and performance enhancements, particularly for data sharing and development simplification within the FreeRTOS environment. The basic functionality of the publish-subscribe system is backed by a custom data structure which defines publishers and subscribers, and registers them with a so-called broker, which handles the notifications from publisher to subscriber whenever the publisher’s data is ready. It is shown that the cost of this system as compared to the usual direct inter-task notification provided by FreeRTOS does not introduce any significant performance degradation while also providing the programmer with a simplified communication method that both simplifies the way local inter-process communication occurs, and enables remote inter-process communication in a similarly straightforward way.
|Advisor:||Ponce, Oscar Morales|
|Commitee:||Englert, Burkhard, Lam, Shui|
|School:||California State University, Long Beach|
|Department:||Computer Engineering and Computer Science|
|School Location:||United States -- California|
|Source:||MAI 56/06M(E), Masters Abstracts International|
|Keywords:||Embedded systems, FreeRTOS, PUBSUB, Publish-subscribe|
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