- .msg files are PascalCase
- topics are still either per msg or explicitly listed in TOPICS
- compatible structs are still generated (eg struct msg_s), but ROS2 style px4::msg::Msg is also available
The current practice of adding topics to the default set isn't scalable,
as it affects all setups.
By making sure topics are advertised on init, logger can just discard
topics that don't exist. This does not work for all topics, so topics are
specifically marked as optional. It can be extended to more topics later
on though.
This reduces the list of topics by ~35 on a pixracer configured as quad,
and reduces RAM usage by ~1KB.
Minimum requirement to use: set IMU_GYRO_RATEMAX to 400.
Logging rate of a single topic: ~85 KB/s. If multiple should be logged,
a really good SD card has to be used.
Daniel Agar