diff --git a/text/0014-events_interface.md b/text/0014-events_interface.md new file mode 100644 index 0000000..03d5b11 --- /dev/null +++ b/text/0014-events_interface.md @@ -0,0 +1,20 @@ + * Start date: 2019-04-05 + * Contributors: Beat Küng + +# Summary + +MAVLink currently does not provide a mechanism to let one component inform +others about sporadic events or state changes with certain delivery. The most +prominent case is for an autopilot to inform a user via GCS about state changes +(e.g. switching into a failsafe mode). This has traditionally been solved by +sending string text messages that are then displayed directly. +However this has several shortcomings: +- The message could be lost, there is no retransmission +- Translation is not possible (or at least very impractical) +- Limited text length, no URLs +- Not suited for automated analysis, or consumption by other components +- Increased flash size requirements for an autopilot binary + +The following document serves as a draft for a generic new events interface: +https://docs.google.com/document/d/18qdDgfML97lItom09MJhngYnFzAm1zFdmlCKG7TaBpg/edit +