Introduce optional javascript semantics for event handling

lancaster-university / microbit-dal

http://lancaster-university.github.io/microbit-docs

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Introduce optional javascript semantics for event handling #418

Open tballmsft opened 5 years ago

tballmsft commented 5 years ago

new CONFIG option now allows the user to choose between ordered, serial processing of event handlers and parallel execution of events (JS semantics) OR parallel processing of event handlers and serial execution of events (legacy mciro:bit semantics)
Introduciton of a MicroBitLock primitive for mutual exclusion

tballmsft commented 5 years ago

guys - can you please merge this work into master?

finneyj commented 5 years ago

Stack sizes will be a few bytes larger, and there'll be one more copy operation during top level processing of each event raise, so a few more microseconds.