Re: [Paparazzi-devel] sbus and sbus_dual

[Christophe De Wagter]

Beware that the serial signal of SBUS receivers is inverted (low at rest, while usart is high at rest).

You need either an apogee board (which has inversion built-in) or an own inverting board. 

-Christophe 

On Fri, Apr 18, 2014 at 11:06 AM, 孙茂峰 <address@hidden> wrote:

I noticed there's a wiki update about sbus(http://wiki.paparazziuav.org/wiki/Subsystem/radio_control#SBus)

Is the configuration supported by lisa/m? 

I wired  futaba reciver s.bus to UART1 and the config is like:

...

<subsystem name="radio_control"     type="sbus">

  <configure name="SBUS_PORT" value="UART1"/>

</subsystem>

the PPM message is 12 chanles of 0

0,0,...,0

How to debug the s.bus RC input?

Many thanks.

smf

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