Re: [Paparazzi-devel] Future developments of paparazzi

[Pascal Brisset]

Hi,

the PPM inputs is not directly related to the servo outputs. The number 
of channels of the PPM input is specified in your radio configuration 
file (e.g 7 channels in cockpitSX.xml, 9 channels in the fc28.xml) while 
the servos output is specified in the airframe file
(<servos> section). The related code for the Tiny 2.11 is in 
sw/airborne/arm7/servos_4017_hw.[ch] . You can check there that the 
number of channels is limited 10 : servos_4017_hw.h:15 . Eight are 
currently connected on the Tiny 2.11. You can try to solder wires on the 
two others ...

--Pascal

Antoine DURIEUX wrote:
> First, I need at least 7 different outputs for my servos/ESCs, and I 
> don’t want to use the camera-dedicated servo outputs of the Tiny 2.11. 
> So I tried to figure out whether it would be possible to add more 
> “conventional” servo outputs, and it seems that the CD4017BPW Decade 
> Counter/Divider has 10 Decoded Outputs, which would allow to deal with 
> two extra servos. But I’m not sure the code could deal with it 
> (especially because it seems that the PPM input only allows 8 inputs – 
> at least for now). What do you think of this problem ?
>
> Then, I’m trying to find an inertial measurement unit that I could 
> connect to the I2C bus, and I read on the wiki that you were working 
> on it. What’s new there ?
>
> Thanks by advance,
>
> Antoine D.
>
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