Re: [Paparazzi-devel] Strange problem with CPPM reciever

[Felix Ruess]

Yes, as it says on
https://wiki.paparazziuav.org/wiki/Radio_Control#PPM_Radio_Configuration
in bold, the number of channels has to match.
This was added intentionally a long time ago to make sure wrong PPM
frames are not accidentally recognized when the signal is bad.
Although that should not be an issue with digital receivers that
generate CPPM output from the digital signal...

On Mon, Apr 18, 2016 at 8:21 PM, Pascal Fust <address@hidden> wrote:
> What I was struggling at first with my Taranis & X8R was, that I needed to
> define in the radio XML exactly the total number of channels the receiver
> was setup up for (16 channels in my configuration), i.e. even the channels I
> didn't need at all had to be defined by dummies. Otherwise nothing worked at
> all...
>
> Pascal
>
> 2016-04-18 17:20 GMT+02:00 Helge Walle <address@hidden>:
>>
>> Hi Amir,
>>
>> Here is the radio file that works with my Taranis Tx and D8R-XP Rx with
>> cppm output.
>> The file has 8 channels and so I believe is the cppm output of your Rx.
>>
>> For the Lisa/M 2.0 I have in the airframe file:
>>
>> <subsystem name="radio_control" type="ppm">
>>    <configure name="RADIO_CONTROL_PPM_PIN" value="UART1_RX"/>
>> </subsystem>
>>
>> Helge.
>>
>>
>> 2016-04-18 16:07 GMT+02:00 Felix Ruess <address@hidden>:
>>>
>>> As it says in the wiki, the radio control xml file is not used for
>>> receivers with serial ouput (that includes SBus).
>>> Please follow
>>> https://wiki.paparazziuav.org/wiki/Radio_Control#Measuring_the_PPM_time_values
>>> and write a radio xml file with correct number of PPM ouput channels
>>> and timings.
>>>
>>> On Mon, Apr 18, 2016 at 3:58 PM, amir hossein <address@hidden>
>>> wrote:
>>> > Dear Felix,
>>> > I before used this radio (FrskyX9D) and its X8R receiver (Sbus) with
>>> > available .xml file with Apogee successfully. But for LisaMv2 I tried
>>> > with
>>> > frsky XSR (CPPM) and the same .xml radio file. In addition, I tried
>>> > both
>>> > POSITIVE and NEGATIVE in pulse_type, but it doesnt work yet. No radio
>>> > commands (RC and ppm in messages) are transformed.
>>> >
>>> >
>>> > On Monday, April 18, 2016 5:31 PM, Felix Ruess <address@hidden>
>>> > wrote:
>>> >
>>> >
>>> > Hi Amir,
>>> >
>>> > did you use a matching radio control file for your receiver?
>>> > See https://wiki.paparazziuav.org/wiki/Radio_Control
>>> >
>>> > Cheers, Felix
>>> >
>>> > On Mon, Apr 18, 2016 at 11:35 AM, amirhtbt <address@hidden>
>>> > wrote:
>>> >> Dear Pascal,
>>> >> I Tried it in all the way; UART1, UART5 and servo output, but it
>>> >> doesnt
>>> >> work!!
>>> >>
>>> >> Does anyone know about the compatibility of these futaba radios with
>>> >> LisaMV2? Now I have problem with cppm reciever:
>>> >>
>>> >> futaba 14SG
>>> >> futaba 8FG
>>> >> futaba 10J
>>> >> futaba 8J
>>> >> futaba 4YF
>>> >>
>>> >> Tnx alot
>>> >> Amir
>>> >>
>>> >>
>>> >>
>>> >> --
>>> >> View this message in context:
>>> >>
>>> >> http://lists.paparazziuav.org/Strange-problem-with-CPPM-reciever-tp17911p17913.html
>>> >> Sent from the paparazzi-devel mailing list archive at Nabble.com.
>>> >>
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