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commander: make battery failsafes sane by default 

I propose two changes to the battery failsafes:
1. Remove the return only mode because it means the drone is likely
   to crash during RTL. I think this is not expected by users chosing
   the option and therefore better not exposed as an option.
2. Make Return/Land the default battery failsafe because it is expected
   that a drone does the right thing when battery is low.

Also, this changes the description of the Return/Land behaviour to make
the drop down menu less long and awkward in QGC.
This commit is contained in:
Julian Oes 2019-10-28 11:24:40 +01:00 committed by Lorenz Meier
parent 0734fe047e
commit f5945d1185
1 changed files with 3 additions and 5 deletions
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8
src/modules/commander/commander_params.c
View File

@ -313,18 +313,16 @@ PARAM_DEFINE_INT32(COM_ARM_SWISBTN, 0);
/**
* Battery failsafe mode
*
* Action the system takes on low battery. Defaults to off
* Action the system takes at critical battery.
*
* @group Commander
* @value 0 Warning
* @value 1 Return mode
* @value 2 Land mode
* @value 3 Return mode at critically low level, Land mode at current position if reaching dangerously low levels
* @value 3 Return at critical level, land at emergency level
* @decimal 0
* @increment 1
* @increment 1
*/
PARAM_DEFINE_INT32(COM_LOW_BAT_ACT, 0);
PARAM_DEFINE_INT32(COM_LOW_BAT_ACT, 3);
/**
* Time-out to wait when offboard connection is lost before triggering offboard lost action.