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  • Phoenix
  • MainboardMainboard
  • Issues
  • #12

Closed
Open
Created Mar 26, 2021 by ahansson@ahanssonMaintainer

Update Finite State Machine

Update FSM according to the picture attached below

The structure of the FSM should look something like this:

Start-up --> Armed --> Drogue Descent --> Guided Descent

Armed:

1min before the drop, the height deployment is activated (assuming the barometer returns correct pressure/height)

Transistion Armed --> Drogue Descent:

Via LoRa: Pilots start counting down from 10. At 5 a pre-timer is initialised. After the pre-timer has count down to zero it initalises the transistion to the drogue descent where the safety-timer is started simultaneously.

Drogue Descent:

Both deplyoment methods are active: Height and Safety timer trigger

Important:

  • If LoRa fails to initialise a state change from Armed to Drogue descent, it should still be possible to reach the state Guided Descent via Height detection. (Skip state Drogue descent).
  • On the picture in the bottom right is a schematic logic of the FSM.

IMG_20210326_170932

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