hydra/cleanflight — pull request #62 by nebbian (2014-08-31 14:49:34+00:00)
Title: Code allowing the use of sonar without requiring a barometer.

This allows the use of sonar for altitude hold, without requiring a barometric sensor to be present.

A new box is created in the Auxiliary Configuration page, which allows the user to configure aux switches to enable or disable sonar mode.

This code has been flight tested on a Naze32 acro, with no barometer onboard. It also works when the target doesn't have BARO defined.