Signed-off-by: Roman <bapstr@ethz.ch>

We need to make this timestamp relative to the main timestamp. Necessary
for replay, and saves some space.

timestamp was unused. This allows to remove timestamp_position.

* mavlink receiver: added handling of battery status

handle incoming battery status messages in order to support external
battery monitoring

Signed-off-by: Roman <bapstr@ethz.ch>

* sensor params: added parameter for battery monitoring source

Signed-off-by: Roman <bapstr@ethz.ch>

* sensors: only publish battery status if we don't have external battery
monitoring activated

Signed-off-by: Roman <bapstr@ethz.ch>

* Update default parameters for TBS Caipirinha

* reverse channel 0 doesn't exist

fixed logic such that parameters are saved when vehicle just landed.
only save parameters once when state changed from in_air to landed.

Signed-off-by: tumbili &lt;roman@px4.io&gt; and bkueng <beat-kueng@gmx.net>

Signed-off-by: tumbili &lt;roman@px4.io&gt; and bkueng <beat-kueng@gmx.net>

fixes regression from 85245471

The flow control state is improperly reflected as enabled if the arch/HAL rejects an IOCTL to turn it on. Mavlink::enable_flow_control updates _flow_control_enabled only if the IOCTL call does not fail.

Signed-off-by: Roman <bapstr@ethz.ch>

Signed-off-by: Roman <bapstr@ethz.ch>

Signed-off-by: tumbili <roman@px4.io>

Signed-off-by: Roman <bapstr@ethz.ch>

Signed-off-by: Roman <bapstr@ethz.ch>

control state airspeed

this will enable small planes flying without an
airspeed sensor

* the OSX builds were spending the majority of the time just updating homebrew and installing a couple packages