Re: [Paparazzi-devel] Failsafe

[Christophe De Wagter]

There should be a simple solution, although I never tried it myself:

The radio xml has defines for minimal pulse and maximal pulse, nr of pulses, repeat time etc... If your input is beyond these values, the signal is rejected: Lost

So if you put a minimum of 1.00 millisecond and you are sure in normal conditions your pulses are always from 1.1ms to 1.9ms, except during failsafe where the throttle pulse becomes 0.8ms... then you should have what you want. 

Be a bit careful that if later you would inadvertently add a dual-rate with 125% on your transmitter and turn hard other pulses might also become very small and then the whole pulse train would be detected as BAD.

-Christophe 

On Wed, Apr 4, 2012 at 12:28 AM, Romney, Jefferson S <address@hidden> wrote:

I am trying to get my plane to go into home mode when RC signal is lost but the only way it seems to know that the signal is lost is when I unplug the ppm signal. when my reciever loses link it sends an extremely low value on the throttle channel. how do I make the Autopilot recognize this as lost RC signal?

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