Re: [Paparazzi-devel] problems with radio for Lisa M quad

[Helge Walle]

Hi,

I think you will only get 5 ppm stream pulses (channels 1-5) from the receiver according to the modification. The radio file needs to have the same number of pulses as you get from the receiver. So maybe you should remove two channels from the radio file.

Helge.

2014/1/19 olafur12 <address@hidden>

-----------------------------
Hello

I am trying connect either of the two receivers to  lisa_M_2 board. I am
currently struggling with the PPM one and according to the wiki page my
airframe should be set up correctly.

I've added this is in my airframe file in my AP target section.

/       <subsystem name="radio_control" type="ppm">
                <configure name="RADIO_CONTROL_PPM_PIN" value="UART1_RX"/>
                <configure name="RADIO_CONTROL_LED" value="3"/>
        </subsystem>/

and the fallowing is my 7ch radio xml file

/<?xml version="1.0"?>

<!DOCTYPE radio SYSTEM &quot;radio.dtd&quot;>
  <radio name="FASST TX Module" data_min="700" data_max="2300"
sync_min="4000" sync_max="15000" pulse_type="NEGATIVE">
  <channel ctl="A" function="ROLL" min="1100" neutral="1500" max="1900"
average="0"/>
  <channel ctl="B" function="PITCH" min="1100" neutral="1500" max="1900"
average="0"/>
  <channel ctl="C" function="THROTTLE" min="1100" neutral="1100" max="1900"
average="0"/>
  <channel ctl="D" function="YAW" min="1100" neutral="1500" max="1900"
average="0"/>
  <channel ctl="E" function="MODE" min="1900" neutral="1500" max="1100"
average="0"/>
  <channel ctl="F" function="EXTRA1" min="1100" neutral="1500" max="1900"
average="0"/>
  <channel ctl="G" function="FLAPS" min="1100" neutral="1500" max="1900"
average="0"/>
</radio>/


Those are my two receivers:

Futaba FASST R617FS receiver (with ppm pulse modification
http://projects.ru.is/sumo/paparazzi/radio-receiver-/ )

and FrSky TFR8 SB 8ch  (have tried this one as well and failed)

When I turn on my GCS (screen shot: http://i.imgur.com/alM8xZK.png) I see
that my telemetry is working but not the receiver. Note: I do not have any
GPS. What is wrong?


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