Re: [Paparazzi-devel] spektrum channel assignment

[Felix Ruess]

Hi,

yes, you are right.
You must have a bit of a weird transmitter if you need to change one of the four primary channels (throttle, roll, pitch, yaw).

In master I just added some #ifndef guards with commit 47076c1 so you can redefine them from your airframe file.

If you need to reverse a channel, define RADIO_CONTROL_SPEKTRUM_SIGNS as appropriate in your airframe file.

Cheers, Felix

On Tue, Sep 9, 2014 at 5:24 AM, <address@hidden> wrote:

 

Thank you.  This is helpful.

But how would I go about re-assigning the primary channels?  If I try to swap throttle and roll, for example, it spews warnings during compile, and ends up not making any difference.

Essentially, I have a finicky Transmitter, that is very limited on it's configuring of channels, and raw spektrum tx, but that I would like to use.

Am I right in guessing there is no way to do this without editing the source itself?

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On 2014-09-08 9:54 am, Felix Ruess wrote:

Hi Joshua,

 

you are correct, the radio xml file is not used for spektrum. To e.g. use the aux switch for the mode:

<define name="RADIO_MODE" value="RADIO_AUX1"/>

or equivalently using the channel number:

<define name="RADIO_MODE" value="5"/>

 

https://github.com/paparazzi/paparazzi/blob/master/sw/airborne/arch/stm32/subsystems/radio_control/spektrum_arch.h has the predefined names for the channels.

 

Hope that helps,

Felix

On Sat, Sep 6, 2014 at 5:12 AM, <address@hidden> wrote:

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Am I right in my understanding that the Radio control config file only applies to PPM control, and not to spektrum (satellite) receivers?

If so, (and that's what the wiki leads you to believe) how would I go about re-assigning channels to different purposes on the autopilot?

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