Re: [Paparazzi-devel] PPM input Port

[Felix Ruess]

If you are using a 2.4GHz Spektrum receiver, the primary port is UART3
 ( 
http://paparazzi.enac.fr/wiki/User/LisaL#Spektrum.2FJR_remote_receiver_connection_diagram
)

But if you are using an analog PPM receiver, the input pin is trig of UART1.

Cheers, Felix

On Tue, Nov 8, 2011 at 3:59 PM, Jochen Rieger <address@hidden> wrote:
> Now, I am confused. In the wiki is written that the primary receiver input
> port is UART3.
>
> Why is the Trig. Pin the input pin for PPM? I thought PPM -> Rx pin.
>
>
>
> I want changed it because I thought UART3=PPM, but i have GPS on UART3.
>
> Thanks for helping.
> -Jochen
>
>
>
> 2011/11/8 Felix Ruess <address@hidden>
>>
>> Hi Jochen,
>>
>> If you want to use a PPM  receiver on Lisa, you currently can't change
>> the input pin for the ppm sum signal input.
>> It is hardcoded to UART1 trig (PA.01) pin.
>>
>> Why do you need to change that?
>>
>> Cheers, Felix
>>
>> On Tue, Nov 8, 2011 at 2:39 PM, Jochen Rieger <address@hidden>
>> wrote:
>> > Hello,
>> >
>> > I have a Lisa/L 1.1 board. I want to change the PPM input UART port.
>> > What
>> > must I edit at the airframe file?
>> >
>> > <subsystem name="radio_control" type="ppm">
>> >
>> > <configure name"RADIO_PORT"  value="UART2"/>
>> >
>> > </subsystem>
>> >
>> >
>> > Is that right? I could find nothing about this, neither in wiki nor in
>> > mailing list.
>> >
>> > Best regards.
>> > Jochen
>> >
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>> >
>> >
>>
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