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Re: [Paparazzi-devel] GCS Communication Problems

From: Meghan
Subject: Re: [Paparazzi-devel] GCS Communication Problems
Date: Mon, 6 Jul 2015 17:02:55 -0600


I have done what you suggested, but the Tiny is still unable to connect the GSC. Also, after the code is uploaded to the Tiny, the LED  flashes green, instead of red. I don't know if this could be part of the issue. 

Do you have any other ideas why I cannot connect with the GSC on paparazzi?

Thank you,

On Jul 1, 2015, at 3:49 PM, Felix Ruess <address@hidden> wrote:

Hi Meghan,

you have chosen the xbee_api telemetry system in your airframe file, but try to run link without the  "-transport xbee"e parameter (so it can't parse the xbee protocol).
I suggest you use the "transparent" telemetry type (which is a transparent serial connection), unless you have a need to use the xbee api mode (then you need to start link with the appropriate transport parameter).

Cheers, Felix

On Wed, Jul 1, 2015 at 11:15 PM, Meghan Reimann <address@hidden> wrote:
We have been following the tutorial off of this website:

After uploading funjet1 onto the tiny v2.11 through USB, we connected the tiny serial port to the J2 port of the FTDI Utility Board V1.0 and then USB to the FTDI board to the computer. We are powering the tiny with an external power source of 7V and 0.1A. We changed the session to Flight address@hidden and then executed. Here are the commands in the console after executing with the FTDI board and tiny connected:

RUN '/home/uav/paparazzi/sw/ground_segment/tmtc/link  -d /dev/ttyUSB0'
RUN '/home/uav/paparazzi/sw/ground_segment/tmtc/server '
RUN '/home/uav/paparazzi/sw/ground_segment/cockpit/gcs '

Nothing is present in the GCS console except "Waiting for telemetry..."

I have included the firmware code and FTDI->Tiny 2.11 set up image below.

We have been working on trying to connect to paparazzi for a couple weeks now, and can't seem to find a fix. Does anyone know why we cannot connect to the GCS?

Firmware Code:

<airframe name="Funjet Tiny 2.11">

  <firmware name="fixedwing">
    <target name="sim"             board="pc"/>
    <target name="ap"             board="tiny_2.11"/>

    <define name="AGR_CLIMB"/>
    <define name="LOITER_TRIM"/>

    <subsystem name="radio_control" type="ppm"/>

    <!-- Communication -->
    <subsystem name="telemetry"     type="xbee_api"/>
      <configure name="MODEM_BAUD"         value="B38400"/>

    <!-- Actuators are automatically chosen according to board-->
    <subsystem name="control"/>
    <!-- Sensors -->
    <subsystem name="gps"             type="ublox"/>
    <subsystem name="navigation"/>
    <subsystem name="ins" type="alt_float"/>

    <load name="infrared_adc.xml"/>
    <load name="ahrs_infrared.xml"/> <!--possibly take out ahrs-->
    <load name="gps_ubx_ucenter.xml"/>

<!--tunnel only for testing/config-->
  <firmware name="setup">
    <target name="tunnel"             board="tiny_2.11"/>
<target name="usb_tunnel_0" board="tiny_2.11" />

Serial->Tiny set up:

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