Re: [Paparazzi-devel] Failsafe

[Stephen Dwyer]

Hello,

I am guessing since you defined a global exception to always to to the
start of the "Land Right AF-TD" block when voltage is too low, that
when the "Land Right AF-TD" block attempts to deroute to the final
block, the global exception kicks in again and simply deroutes the
final block back to "Land Right AF-TD". So, you will need to either
not use the global exception, or create a single block that can handle
the whole landing routine, or figure out a way to disable the
exception with some setting or variable that can be changed to false
for example with "set" once the auto land block is started.

Hope that helps.

Thanks,
-Stephen

On Sat, Nov 26, 2011 at 11:33 AM, Uttam Chandrashekhar
<address@hidden> wrote:
> Hi guys,
> I've been trying to enable a failsafe wherein the plane auto lands when
> battery is below a certain level. I've added the following into the
> exceptions block, outside all other blocks:
> <exception cond="11 > PowerVoltage()" deroute="Land Right AF-TD"/>
> When I run it in sim, and reduce the battery voltage, it enters failsafe,
> but never leaves the Land Right AF-TD block, and just continues in a
> straight line, flying away! It does not enter the final and flare blocks.
> The standard auto landing code has not been changed, and a normal landing by
> clicking on the Strip icon works fine. Anyone know whats happening?
> -Thanks
> Uttam
>
>
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