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RE: [Paparazzi-devel] flight plans: what makes it hold in holding point?


From: akochevar
Subject: RE: [Paparazzi-devel] flight plans: what makes it hold in holding point?
Date: Wed, 05 Aug 2009 17:13:07 -0700
User-agent: Web-Based Email 5.1.5

The attitude code inside the autopilot has no exit criteria.  Therefore it just gets stuck in the attitude command until a block is change, or a deroute event happens.  In the case of a <go> command the "waypoint reached"
 designation exits the current stage.  If you think about a circle, it never goes out of that either :)

AJ


-------- Original Message --------
Subject: [Paparazzi-devel] flight plans: what makes it hold in holding
point?
From: address@hidden
Date: Wed, August 05, 2009 2:41 pm
To: address@hidden

Just for curiosity:
>From this code (basic.xml)

<block name="Holding point">
<set value="1" var="kill_throttle"/>
<attitude roll="0" throttle="0" vmode="throttle"/>
</block>

I wouldn't expect the autopilot to wait for anything but go on to the next block immediately.

Instead, in the holding point block, I would expect a loop like
while launch==0 ...

How does it work?


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